text: /**
   * @licstart The following is the entire license notice for the
   * Javascript code in this page
   *
   * Copyright 2017 Mozilla Foundation
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   * @licend The above is the entire license notice for the
   * Javascript code in this page
   */
  
  /******/ (function (modules) { // webpackBootstrap
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  /******/ 			return installedModules[moduleId].exports;
              /******/
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              /******/
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  /******/ 		// Flag the module as loaded
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  /* 0 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              ;
              var pdfjsWebApp = void 0,
                  pdfjsWebAppOptions = void 0;
              {
                  pdfjsWebApp = __webpack_require__(1);
                  pdfjsWebAppOptions = __webpack_require__(8);
              }
              ;
              {
                  __webpack_require__(33);
              }
              ;
              {
                  __webpack_require__(38);
              }
              function getViewerConfiguration() {
                  return {
                      appContainer: document.body,
                      mainContainer: document.getElementById('viewerContainer'),
                      viewerContainer: document.getElementById('viewer'),
                      eventBus: null,
                      toolbar: {
                          container: document.getElementById('toolbarViewer'),
                          numPages: document.getElementById('numPages'),
                          pageNumber: document.getElementById('pageNumber'),
                          scaleSelectContainer: document.getElementById('scaleSelectContainer'),
                          scaleSelect: document.getElementById('scaleSelect'),
                          customScaleOption: document.getElementById('customScaleOption'),
                          previous: document.getElementById('previous'),
                          next: document.getElementById('next'),
                          zoomIn: document.getElementById('zoomIn'),
                          zoomOut: document.getElementById('zoomOut'),
                          viewFind: document.getElementById('viewFind'),
                          openFile: document.getElementById('openFile'),
                          print: document.getElementById('print'),
                          presentationModeButton: document.getElementById('presentationMode'),
                          download: document.getElementById('download'),
                          viewBookmark: document.getElementById('viewBookmark')
                      },
                      secondaryToolbar: {
                          toolbar: document.getElementById('secondaryToolbar'),
                          toggleButton: document.getElementById('secondaryToolbarToggle'),
                          toolbarButtonContainer: document.getElementById('secondaryToolbarButtonContainer'),
                          presentationModeButton: document.getElementById('secondaryPresentationMode'),
                          openFileButton: document.getElementById('secondaryOpenFile'),
                          printButton: document.getElementById('secondaryPrint'),
                          downloadButton: document.getElementById('secondaryDownload'),
                          viewBookmarkButton: document.getElementById('secondaryViewBookmark'),
                          firstPageButton: document.getElementById('firstPage'),
                          lastPageButton: document.getElementById('lastPage'),
                          pageRotateCwButton: document.getElementById('pageRotateCw'),
                          pageRotateCcwButton: document.getElementById('pageRotateCcw'),
                          cursorSelectToolButton: document.getElementById('cursorSelectTool'),
                          cursorHandToolButton: document.getElementById('cursorHandTool'),
                          scrollVerticalButton: document.getElementById('scrollVertical'),
                          scrollHorizontalButton: document.getElementById('scrollHorizontal'),
                          scrollWrappedButton: document.getElementById('scrollWrapped'),
                          spreadNoneButton: document.getElementById('spreadNone'),
                          spreadOddButton: document.getElementById('spreadOdd'),
                          spreadEvenButton: document.getElementById('spreadEven'),
                          documentPropertiesButton: document.getElementById('documentProperties')
                      },
                      fullscreen: {
                          contextFirstPage: document.getElementById('contextFirstPage'),
                          contextLastPage: document.getElementById('contextLastPage'),
                          contextPageRotateCw: document.getElementById('contextPageRotateCw'),
                          contextPageRotateCcw: document.getElementById('contextPageRotateCcw')
                      },
                      sidebar: {
                          outerContainer: document.getElementById('outerContainer'),
                          viewerContainer: document.getElementById('viewerContainer'),
                          toggleButton: document.getElementById('sidebarToggle'),
                          thumbnailButton: document.getElementById('viewThumbnail'),
                          outlineButton: document.getElementById('viewOutline'),
                          attachmentsButton: document.getElementById('viewAttachments'),
                          thumbnailView: document.getElementById('thumbnailView'),
                          outlineView: document.getElementById('outlineView'),
                          attachmentsView: document.getElementById('attachmentsView')
                      },
                      sidebarResizer: {
                          outerContainer: document.getElementById('outerContainer'),
                          resizer: document.getElementById('sidebarResizer')
                      },
                      findBar: {
                          bar: document.getElementById('findbar'),
                          toggleButton: document.getElementById('viewFind'),
                          findField: document.getElementById('findInput'),
                          highlightAllCheckbox: document.getElementById('findHighlightAll'),
                          caseSensitiveCheckbox: document.getElementById('findMatchCase'),
                          findMsg: document.getElementById('findMsg'),
                          findResultsCount: document.getElementById('findResultsCount'),
                          findStatusIcon: document.getElementById('findStatusIcon'),
                          findPreviousButton: document.getElementById('findPrevious'),
                          findNextButton: document.getElementById('findNext')
                      },
                      passwordOverlay: {
                          overlayName: 'passwordOverlay',
                          container: document.getElementById('passwordOverlay'),
                          label: document.getElementById('passwordText'),
                          input: document.getElementById('password'),
                          submitButton: document.getElementById('passwordSubmit'),
                          cancelButton: document.getElementById('passwordCancel')
                      },
                      documentProperties: {
                          overlayName: 'documentPropertiesOverlay',
                          container: document.getElementById('documentPropertiesOverlay'),
                          closeButton: document.getElementById('documentPropertiesClose'),
                          fields: {
                              'fileName': document.getElementById('fileNameField'),
                              'fileSize': document.getElementById('fileSizeField'),
                              'title': document.getElementById('titleField'),
                              'author': document.getElementById('authorField'),
                              'subject': document.getElementById('subjectField'),
                              'keywords': document.getElementById('keywordsField'),
                              'creationDate': document.getElementById('creationDateField'),
                              'modificationDate': document.getElementById('modificationDateField'),
                              'creator': document.getElementById('creatorField'),
                              'producer': document.getElementById('producerField'),
                              'version': document.getElementById('versionField'),
                              'pageCount': document.getElementById('pageCountField'),
                              'pageSize': document.getElementById('pageSizeField'),
                              'linearized': document.getElementById('linearizedField')
                          }
                      },
                      errorWrapper: {
                          container: document.getElementById('errorWrapper'),
                          errorMessage: document.getElementById('errorMessage'),
                          closeButton: document.getElementById('errorClose'),
                          errorMoreInfo: document.getElementById('errorMoreInfo'),
                          moreInfoButton: document.getElementById('errorShowMore'),
                          lessInfoButton: document.getElementById('errorShowLess')
                      },
                      printContainer: document.getElementById('printContainer'),
                      openFileInputName: 'fileInput',
                      debuggerScriptPath: './debugger.js'
                  };
              }
              function webViewerLoad() {
                  var config = getViewerConfiguration();
                  window.PDFViewerApplication = pdfjsWebApp.PDFViewerApplication;
                  window.PDFViewerApplicationOptions = pdfjsWebAppOptions.AppOptions;
                  pdfjsWebApp.PDFViewerApplication.run(config);
              }
              if (document.readyState === 'interactive' || document.readyState === 'complete') {
                  webViewerLoad();
              } else {
                  document.addEventListener('DOMContentLoaded', webViewerLoad, true);
              }
  
              /***/
  }),
  /* 1 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFPrintServiceFactory = exports.DefaultExternalServices = exports.PDFViewerApplication = undefined;
  
              var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdfjsLib = __webpack_require__(3);
  
              var _pdf_cursor_tools = __webpack_require__(4);
  
              var _pdf_rendering_queue = __webpack_require__(6);
  
              var _pdf_sidebar = __webpack_require__(7);
  
              var _app_options = __webpack_require__(8);
  
              var _dom_events = __webpack_require__(10);
  
              var _overlay_manager = __webpack_require__(11);
  
              var _password_prompt = __webpack_require__(12);
  
              var _pdf_attachment_viewer = __webpack_require__(13);
  
              var _pdf_document_properties = __webpack_require__(14);
  
              var _pdf_find_bar = __webpack_require__(15);
  
              var _pdf_find_controller = __webpack_require__(16);
  
              var _pdf_history = __webpack_require__(17);
  
              var _pdf_link_service = __webpack_require__(18);
  
              var _pdf_outline_viewer = __webpack_require__(19);
  
              var _pdf_presentation_mode = __webpack_require__(20);
  
              var _pdf_sidebar_resizer = __webpack_require__(21);
  
              var _pdf_thumbnail_viewer = __webpack_require__(22);
  
              var _pdf_viewer = __webpack_require__(24);
  
              var _secondary_toolbar = __webpack_require__(29);
  
              var _toolbar = __webpack_require__(31);
  
              var _view_history = __webpack_require__(32);
  
              var DEFAULT_SCALE_DELTA = 1.1;
              var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
              var FORCE_PAGES_LOADED_TIMEOUT = 10000;
              var DefaultExternalServices = {
                  updateFindControlState: function updateFindControlState(data) { },
                  initPassiveLoading: function initPassiveLoading(callbacks) { },
                  fallback: function fallback(data, callback) { },
                  reportTelemetry: function reportTelemetry(data) { },
                  createDownloadManager: function createDownloadManager(options) {
                      throw new Error('Not implemented: createDownloadManager');
                  },
                  createPreferences: function createPreferences() {
                      throw new Error('Not implemented: createPreferences');
                  },
                  createL10n: function createL10n(options) {
                      throw new Error('Not implemented: createL10n');
                  },
  
                  supportsIntegratedFind: false,
                  supportsDocumentFonts: true,
                  supportsDocumentColors: true,
                  supportedMouseWheelZoomModifierKeys: {
                      ctrlKey: true,
                      metaKey: true
                  }
              };
              var PDFViewerApplication = {
                  initialBookmark: document.location.hash.substring(1),
                  initialized: false,
                  fellback: false,
                  appConfig: null,
                  pdfDocument: null,
                  pdfLoadingTask: null,
                  printService: null,
                  pdfViewer: null,
                  pdfThumbnailViewer: null,
                  pdfRenderingQueue: null,
                  pdfPresentationMode: null,
                  pdfDocumentProperties: null,
                  pdfLinkService: null,
                  pdfHistory: null,
                  pdfSidebar: null,
                  pdfSidebarResizer: null,
                  pdfOutlineViewer: null,
                  pdfAttachmentViewer: null,
                  pdfCursorTools: null,
                  store: null,
                  downloadManager: null,
                  overlayManager: null,
                  preferences: null,
                  toolbar: null,
                  secondaryToolbar: null,
                  eventBus: null,
                  l10n: null,
                  isInitialViewSet: false,
                  downloadComplete: false,
                  isViewerEmbedded: window.parent !== window,
                  url: '',
                  baseUrl: '',
                  externalServices: DefaultExternalServices,
                  _boundEvents: {},
                  contentDispositionFilename: null,
                  initialize: function initialize(appConfig) {
                      var _this = this;
  
                      this.preferences = this.externalServices.createPreferences();
                      this.appConfig = appConfig;
                      return this._readPreferences().then(function () {
                          return _this._parseHashParameters();
                      }).then(function () {
                          return _this._initializeL10n();
                      }).then(function () {
                          if (_this.isViewerEmbedded && _app_options.AppOptions.get('externalLinkTarget') === _pdfjsLib.LinkTarget.NONE) {
                              _app_options.AppOptions.set('externalLinkTarget', _pdfjsLib.LinkTarget.TOP);
                          }
                          return _this._initializeViewerComponents();
                      }).then(function () {
                          _this.bindEvents();
                          _this.bindWindowEvents();
                          var appContainer = appConfig.appContainer || document.documentElement;
                          _this.l10n.translate(appContainer).then(function () {
                              _this.eventBus.dispatch('localized');
                          });
                          _this.initialized = true;
                      });
                  },
                  _readPreferences: function _readPreferences() {
                      var OVERRIDES = {
                          disableFontFace: true,
                          disableRange: true,
                          disableStream: true,
                          textLayerMode: _ui_utils.TextLayerMode.DISABLE
                      };
                      return this.preferences.getAll().then(function (prefs) {
                          for (var name in prefs) {
                              if (name in OVERRIDES && _app_options.AppOptions.get(name) === OVERRIDES[name]) {
                                  continue;
                              }
                              _app_options.AppOptions.set(name, prefs[name]);
                          }
                      }, function (reason) { });
                  },
                  _parseHashParameters: function _parseHashParameters() {
                      var waitOn = [];
                      if (_app_options.AppOptions.get('pdfBugEnabled')) {
                          var hash = document.location.hash.substring(1);
                          var hashParams = (0, _ui_utils.parseQueryString)(hash);
                          if ('disableworker' in hashParams && hashParams['disableworker'] === 'true') {
                              waitOn.push(loadFakeWorker());
                          }
                          if ('disablerange' in hashParams) {
                              _app_options.AppOptions.set('disableRange', hashParams['disablerange'] === 'true');
                          }
                          if ('disablestream' in hashParams) {
                              _app_options.AppOptions.set('disableStream', hashParams['disablestream'] === 'true');
                          }
                          if ('disableautofetch' in hashParams) {
                              _app_options.AppOptions.set('disableAutoFetch', hashParams['disableautofetch'] === 'true');
                          }
                          if ('disablefontface' in hashParams) {
                              _app_options.AppOptions.set('disableFontFace', hashParams['disablefontface'] === 'true');
                          }
                          if ('disablehistory' in hashParams) {
                              _app_options.AppOptions.set('disableHistory', hashParams['disablehistory'] === 'true');
                          }
                          if ('webgl' in hashParams) {
                              _app_options.AppOptions.set('enableWebGL', hashParams['webgl'] === 'true');
                          }
                          if ('useonlycsszoom' in hashParams) {
                              _app_options.AppOptions.set('useOnlyCssZoom', hashParams['useonlycsszoom'] === 'true');
                          }
                          if ('verbosity' in hashParams) {
                              _app_options.AppOptions.set('verbosity', hashParams['verbosity'] | 0);
                          }
                          if ('textlayer' in hashParams) {
                              switch (hashParams['textlayer']) {
                                  case 'off':
                                      _app_options.AppOptions.set('textLayerMode', _ui_utils.TextLayerMode.DISABLE);
                                      break;
                                  case 'visible':
                                  case 'shadow':
                                  case 'hover':
                                      var viewer = this.appConfig.viewerContainer;
                                      viewer.classList.add('textLayer-' + hashParams['textlayer']);
                                      break;
                              }
                          }
                          if ('pdfbug' in hashParams) {
                              _app_options.AppOptions.set('pdfBug', true);
                              var enabled = hashParams['pdfbug'].split(',');
                              waitOn.push(loadAndEnablePDFBug(enabled));
                          }
                          if ('locale' in hashParams) {
                              _app_options.AppOptions.set('locale', hashParams['locale']);
                          }
                      }
                      return Promise.all(waitOn);
                  },
                  _initializeL10n: function _initializeL10n() {
                      this.l10n = this.externalServices.createL10n({ locale: _app_options.AppOptions.get('locale') });
                      return this.l10n.getDirection().then(function (dir) {
                          document.getElementsByTagName('html')[0].dir = dir;
                      });
                  },
                  _initializeViewerComponents: function _initializeViewerComponents() {
                      var _this2 = this;
  
                      var appConfig = this.appConfig;
  
                      return new Promise(function (resolve, reject) {
                          _this2.overlayManager = new _overlay_manager.OverlayManager();
                          var eventBus = appConfig.eventBus || (0, _dom_events.getGlobalEventBus)();
                          _this2.eventBus = eventBus;
                          var pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
                          pdfRenderingQueue.onIdle = _this2.cleanup.bind(_this2);
                          _this2.pdfRenderingQueue = pdfRenderingQueue;
                          var pdfLinkService = new _pdf_link_service.PDFLinkService({
                              eventBus: eventBus,
                              externalLinkTarget: _app_options.AppOptions.get('externalLinkTarget'),
                              externalLinkRel: _app_options.AppOptions.get('externalLinkRel')
                          });
                          _this2.pdfLinkService = pdfLinkService;
                          var downloadManager = _this2.externalServices.createDownloadManager({ disableCreateObjectURL: _app_options.AppOptions.get('disableCreateObjectURL') });
                          _this2.downloadManager = downloadManager;
                          var container = appConfig.mainContainer;
                          var viewer = appConfig.viewerContainer;
                          _this2.pdfViewer = new _pdf_viewer.PDFViewer({
                              container: container,
                              viewer: viewer,
                              eventBus: eventBus,
                              renderingQueue: pdfRenderingQueue,
                              linkService: pdfLinkService,
                              downloadManager: downloadManager,
                              renderer: _app_options.AppOptions.get('renderer'),
                              enableWebGL: _app_options.AppOptions.get('enableWebGL'),
                              l10n: _this2.l10n,
                              textLayerMode: _app_options.AppOptions.get('textLayerMode'),
                              imageResourcesPath: _app_options.AppOptions.get('imageResourcesPath'),
                              renderInteractiveForms: _app_options.AppOptions.get('renderInteractiveForms'),
                              enablePrintAutoRotate: _app_options.AppOptions.get('enablePrintAutoRotate'),
                              useOnlyCssZoom: _app_options.AppOptions.get('useOnlyCssZoom'),
                              maxCanvasPixels: _app_options.AppOptions.get('maxCanvasPixels')
                          });
                          pdfRenderingQueue.setViewer(_this2.pdfViewer);
                          pdfLinkService.setViewer(_this2.pdfViewer);
                          var thumbnailContainer = appConfig.sidebar.thumbnailView;
                          _this2.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
                              container: thumbnailContainer,
                              renderingQueue: pdfRenderingQueue,
                              linkService: pdfLinkService,
                              l10n: _this2.l10n
                          });
                          pdfRenderingQueue.setThumbnailViewer(_this2.pdfThumbnailViewer);
                          _this2.pdfHistory = new _pdf_history.PDFHistory({
                              linkService: pdfLinkService,
                              eventBus: eventBus
                          });
                          pdfLinkService.setHistory(_this2.pdfHistory);
                          _this2.findController = new _pdf_find_controller.PDFFindController({
                              pdfViewer: _this2.pdfViewer,
                              eventBus: eventBus
                          });
                          _this2.findController.onUpdateResultsCount = function (matchCount) {
                              if (_this2.supportsIntegratedFind) {
                                  return;
                              }
                              _this2.findBar.updateResultsCount(matchCount);
                          };
                          _this2.findController.onUpdateState = function (state, previous, matchCount) {
                              if (_this2.supportsIntegratedFind) {
                                  _this2.externalServices.updateFindControlState({
                                      result: state,
                                      findPrevious: previous
                                  });
                              } else {
                                  _this2.findBar.updateUIState(state, previous, matchCount);
                              }
                          };
                          _this2.pdfViewer.setFindController(_this2.findController);
                          var findBarConfig = Object.create(appConfig.findBar);
                          findBarConfig.findController = _this2.findController;
                          findBarConfig.eventBus = eventBus;
                          _this2.findBar = new _pdf_find_bar.PDFFindBar(findBarConfig, _this2.l10n);
                          _this2.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, _this2.overlayManager, eventBus, _this2.l10n);
                          _this2.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
                              container: container,
                              eventBus: eventBus,
                              cursorToolOnLoad: _app_options.AppOptions.get('cursorToolOnLoad')
                          });
                          _this2.toolbar = new _toolbar.Toolbar(appConfig.toolbar, container, eventBus, _this2.l10n);
                          _this2.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
                          if (_this2.supportsFullscreen) {
                              _this2.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
                                  container: container,
                                  viewer: viewer,
                                  pdfViewer: _this2.pdfViewer,
                                  eventBus: eventBus,
                                  contextMenuItems: appConfig.fullscreen
                              });
                          }
                          _this2.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, _this2.overlayManager, _this2.l10n);
                          _this2.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
                              container: appConfig.sidebar.outlineView,
                              eventBus: eventBus,
                              linkService: pdfLinkService
                          });
                          _this2.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
                              container: appConfig.sidebar.attachmentsView,
                              eventBus: eventBus,
                              downloadManager: downloadManager
                          });
                          var sidebarConfig = Object.create(appConfig.sidebar);
                          sidebarConfig.pdfViewer = _this2.pdfViewer;
                          sidebarConfig.pdfThumbnailViewer = _this2.pdfThumbnailViewer;
                          sidebarConfig.pdfOutlineViewer = _this2.pdfOutlineViewer;
                          sidebarConfig.eventBus = eventBus;
                          _this2.pdfSidebar = new _pdf_sidebar.PDFSidebar(sidebarConfig, _this2.l10n);
                          _this2.pdfSidebar.onToggled = _this2.forceRendering.bind(_this2);
                          _this2.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, _this2.l10n);
                          resolve(undefined);
                      });
                  },
                  run: function run(config) {
                      this.initialize(config).then(webViewerInitialized);
                  },
                  zoomIn: function zoomIn(ticks) {
                      var newScale = this.pdfViewer.currentScale;
                      do {
                          newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
                          newScale = Math.ceil(newScale * 10) / 10;
                          newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
                      } while (--ticks > 0 && newScale < _ui_utils.MAX_SCALE);
                      this.pdfViewer.currentScaleValue = newScale;
                  },
                  zoomOut: function zoomOut(ticks) {
                      var newScale = this.pdfViewer.currentScale;
                      do {
                          newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
                          newScale = Math.floor(newScale * 10) / 10;
                          newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
                      } while (--ticks > 0 && newScale > _ui_utils.MIN_SCALE);
                      this.pdfViewer.currentScaleValue = newScale;
                  },
  
                  get pagesCount() {
                      return this.pdfDocument ? this.pdfDocument.numPages : 0;
                  },
                  set page(val) {
                      this.pdfViewer.currentPageNumber = val;
                  },
                  get page() {
                      return this.pdfViewer.currentPageNumber;
                  },
                  get printing() {
                      return !!this.printService;
                  },
                  get supportsPrinting() {
                      return PDFPrintServiceFactory.instance.supportsPrinting;
                  },
                  get supportsFullscreen() {
                      var support = void 0;
                      var doc = document.documentElement;
                      support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen || doc.msRequestFullscreen);
                      if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false || document.msFullscreenEnabled === false) {
                          support = false;
                      }
                      return (0, _pdfjsLib.shadow)(this, 'supportsFullscreen', support);
                  },
                  get supportsIntegratedFind() {
                      return this.externalServices.supportsIntegratedFind;
                  },
                  get supportsDocumentFonts() {
                      return this.externalServices.supportsDocumentFonts;
                  },
                  get supportsDocumentColors() {
                      return this.externalServices.supportsDocumentColors;
                  },
                  get loadingBar() {
                      var bar = new _ui_utils.ProgressBar('#loadingBar');
                      return (0, _pdfjsLib.shadow)(this, 'loadingBar', bar);
                  },
                  get supportedMouseWheelZoomModifierKeys() {
                      return this.externalServices.supportedMouseWheelZoomModifierKeys;
                  },
                  initPassiveLoading: function initPassiveLoading() {
                      throw new Error('Not implemented: initPassiveLoading');
                  },
                  setTitleUsingUrl: function setTitleUsingUrl() {
                      var url = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
  
                      this.url = url;
                      this.baseUrl = url.split('#')[0];
                      var title = (0, _ui_utils.getPDFFileNameFromURL)(url, '');
                      if (!title) {
                          try {
                              title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url;
                          } catch (ex) {
                              title = url;
                          }
                      }
                      this.setTitle(title);
                  },
                  setTitle: function setTitle(title) {
                      if (this.isViewerEmbedded) {
                          return;
                      }
                      document.title = title;
                  },
                  close: function close() {
                      var errorWrapper = this.appConfig.errorWrapper.container;
                      errorWrapper.setAttribute('hidden', 'true');
                      if (!this.pdfLoadingTask) {
                          return Promise.resolve();
                      }
                      var promise = this.pdfLoadingTask.destroy();
                      this.pdfLoadingTask = null;
                      if (this.pdfDocument) {
                          this.pdfDocument = null;
                          this.pdfThumbnailViewer.setDocument(null);
                          this.pdfViewer.setDocument(null);
                          this.pdfLinkService.setDocument(null, null);
                          this.pdfDocumentProperties.setDocument(null, null);
                      }
                      this.store = null;
                      this.isInitialViewSet = false;
                      this.downloadComplete = false;
                      this.url = '';
                      this.baseUrl = '';
                      this.contentDispositionFilename = null;
                      this.pdfSidebar.reset();
                      this.pdfOutlineViewer.reset();
                      this.pdfAttachmentViewer.reset();
                      this.findController.reset();
                      this.findBar.reset();
                      this.toolbar.reset();
                      this.secondaryToolbar.reset();
                      if (typeof PDFBug !== 'undefined') {
                          PDFBug.cleanup();
                      }
                      return promise;
                  },
                  open: function open(file, args) {
                      var _this3 = this;
  
                      if (this.pdfLoadingTask) {
                          return this.close().then(function () {
                              return _this3.open(file, args);
                          });
                      }
                      var workerParameters = _app_options.AppOptions.getAll('worker');
                      for (var key in workerParameters) {
                          _pdfjsLib.GlobalWorkerOptions[key] = workerParameters[key];
                      }
                      var parameters = Object.create(null);
                      if (typeof file === 'string') {
                          this.setTitleUsingUrl(file);
                          parameters.url = file;
                      } else if (file && 'byteLength' in file) {
                          parameters.data = file;
                      } else if (file.url && file.originalUrl) {
                          this.setTitleUsingUrl(file.originalUrl);
                          parameters.url = file.url;
                      }
                      var apiParameters = _app_options.AppOptions.getAll('api');
                      for (var _key in apiParameters) {
                          parameters[_key] = apiParameters[_key];
                      }
                      if (args) {
                          for (var prop in args) {
                              if (prop === 'length') {
                                  this.pdfDocumentProperties.setFileSize(args[prop]);
                              }
                              parameters[prop] = args[prop];
                          }
                      }
                      var loadingTask = (0, _pdfjsLib.getDocument)(parameters);
                      this.pdfLoadingTask = loadingTask;
                      loadingTask.onPassword = function (updateCallback, reason) {
                          _this3.passwordPrompt.setUpdateCallback(updateCallback, reason);
                          _this3.passwordPrompt.open();
                      };
                      loadingTask.onProgress = function (_ref) {
                          var loaded = _ref.loaded,
                              total = _ref.total;
  
                          _this3.progress(loaded / total);
                      };
                      loadingTask.onUnsupportedFeature = this.fallback.bind(this);
                      return loadingTask.promise.then(function (pdfDocument) {
                          _this3.load(pdfDocument);
                      }, function (exception) {
                          if (loadingTask !== _this3.pdfLoadingTask) {
                              return;
                          }
                          var message = exception && exception.message;
                          var loadingErrorMessage = void 0;
                          if (exception instanceof _pdfjsLib.InvalidPDFException) {
                              loadingErrorMessage = _this3.l10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.');
                          } else if (exception instanceof _pdfjsLib.MissingPDFException) {
                              loadingErrorMessage = _this3.l10n.get('missing_file_error', null, 'Missing PDF file.');
                          } else if (exception instanceof _pdfjsLib.UnexpectedResponseException) {
                              loadingErrorMessage = _this3.l10n.get('unexpected_response_error', null, 'Unexpected server response.');
                          } else {
                              loadingErrorMessage = _this3.l10n.get('loading_error', null, 'An error occurred while loading the PDF.');
                          }
                          return loadingErrorMessage.then(function (msg) {
                              _this3.error(msg, { message: message });
                              history.back();
                              throw new Error(msg);
                          });
                      });
                  },
                  download: function download() {
                      var _this4 = this;
  
                      function downloadByUrl() {
                          downloadManager.downloadUrl(url, filename);
                      }
                      var url = this.baseUrl;
                      var filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url);
                      var downloadManager = this.downloadManager;
                      downloadManager.onerror = function (err) {
                          _this4.error('PDF failed to download: ' + err);
                      };
                      if (!this.pdfDocument || !this.downloadComplete) {
                          downloadByUrl();
                          return;
                      }
                      this.pdfDocument.getData().then(function (data) {
                          var blob = (0, _pdfjsLib.createBlob)(data, 'application/pdf');
                          downloadManager.download(blob, url, filename);
                      }).catch(downloadByUrl);
                  },
                  fallback: function fallback(featureId) { },
                  error: function error(message, moreInfo) {
                      var moreInfoText = [this.l10n.get('error_version_info', {
                          version: _pdfjsLib.version || '?',
                          build: _pdfjsLib.build || '?'
                      }, 'PDF.js v{{version}} (build: {{build}})')];
                      if (moreInfo) {
                          moreInfoText.push(this.l10n.get('error_message', { message: moreInfo.message }, 'Message: {{message}}'));
                          if (moreInfo.stack) {
                              moreInfoText.push(this.l10n.get('error_stack', { stack: moreInfo.stack }, 'Stack: {{stack}}'));
                          } else {
                              if (moreInfo.filename) {
                                  moreInfoText.push(this.l10n.get('error_file', { file: moreInfo.filename }, 'File: {{file}}'));
                              }
                              if (moreInfo.lineNumber) {
                                  moreInfoText.push(this.l10n.get('error_line', { line: moreInfo.lineNumber }, 'Line: {{line}}'));
                              }
                          }
                      }
                      var errorWrapperConfig = this.appConfig.errorWrapper;
                      var errorWrapper = errorWrapperConfig.container;
                      errorWrapper.removeAttribute('hidden');
                      var errorMessage = errorWrapperConfig.errorMessage;
                      errorMessage.textContent = message;
                      var closeButton = errorWrapperConfig.closeButton;
                      closeButton.onclick = function () {
                          errorWrapper.setAttribute('hidden', 'true');
                      };
                      var errorMoreInfo = errorWrapperConfig.errorMoreInfo;
                      var moreInfoButton = errorWrapperConfig.moreInfoButton;
                      var lessInfoButton = errorWrapperConfig.lessInfoButton;
                      moreInfoButton.onclick = function () {
                          errorMoreInfo.removeAttribute('hidden');
                          moreInfoButton.setAttribute('hidden', 'true');
                          lessInfoButton.removeAttribute('hidden');
                          errorMoreInfo.style.height = errorMoreInfo.scrollHeight + 'px';
                      };
                      lessInfoButton.onclick = function () {
                          errorMoreInfo.setAttribute('hidden', 'true');
                          moreInfoButton.removeAttribute('hidden');
                          lessInfoButton.setAttribute('hidden', 'true');
                      };
                      moreInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
                      lessInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
                      closeButton.oncontextmenu = _ui_utils.noContextMenuHandler;
                      moreInfoButton.removeAttribute('hidden');
                      lessInfoButton.setAttribute('hidden', 'true');
                      Promise.all(moreInfoText).then(function (parts) {
                          errorMoreInfo.value = parts.join('\n');
                      });
                  },
                  progress: function progress(level) {
                      var _this5 = this;
  
                      if (this.downloadComplete) {
                          return;
                      }
                      var percent = Math.round(level * 100);
                      if (percent > this.loadingBar.percent || isNaN(percent)) {
                          this.loadingBar.percent = percent;
                          var disableAutoFetch = this.pdfDocument ? this.pdfDocument.loadingParams['disableAutoFetch'] : _app_options.AppOptions.get('disableAutoFetch');
                          if (disableAutoFetch && percent) {
                              if (this.disableAutoFetchLoadingBarTimeout) {
                                  clearTimeout(this.disableAutoFetchLoadingBarTimeout);
                                  this.disableAutoFetchLoadingBarTimeout = null;
                              }
                              this.loadingBar.show();
                              this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
                                  _this5.loadingBar.hide();
                                  _this5.disableAutoFetchLoadingBarTimeout = null;
                              }, DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
                          }
                      }
                  },
                  load: function load(pdfDocument) {
                      var _this6 = this;
  
                      this.pdfDocument = pdfDocument;
                      pdfDocument.getDownloadInfo().then(function () {
                          _this6.downloadComplete = true;
                          _this6.loadingBar.hide();
                          firstPagePromise.then(function () {
                              _this6.eventBus.dispatch('documentload', { source: _this6 });
                          });
                      });
                      var pageModePromise = pdfDocument.getPageMode().catch(function () { });
                      this.toolbar.setPagesCount(pdfDocument.numPages, false);
                      this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
                      var store = this.store = new _view_history.ViewHistory(pdfDocument.fingerprint);
                      var baseDocumentUrl = void 0;
                      baseDocumentUrl = null;
                      this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
                      this.pdfDocumentProperties.setDocument(pdfDocument, this.url);
                      var pdfViewer = this.pdfViewer;
                      pdfViewer.setDocument(pdfDocument);
                      var firstPagePromise = pdfViewer.firstPagePromise;
                      var pagesPromise = pdfViewer.pagesPromise;
                      var onePageRendered = pdfViewer.onePageRendered;
                      var pdfThumbnailViewer = this.pdfThumbnailViewer;
                      pdfThumbnailViewer.setDocument(pdfDocument);
                      firstPagePromise.then(function (pdfPage) {
                          _this6.loadingBar.setWidth(_this6.appConfig.viewerContainer);
                          if (!_app_options.AppOptions.get('disableHistory') && !_this6.isViewerEmbedded) {
                              var resetHistory = !_app_options.AppOptions.get('showPreviousViewOnLoad');
                              _this6.pdfHistory.initialize(pdfDocument.fingerprint, resetHistory);
                              if (_this6.pdfHistory.initialBookmark) {
                                  _this6.initialBookmark = _this6.pdfHistory.initialBookmark;
                                  _this6.initialRotation = _this6.pdfHistory.initialRotation;
                              }
                          }
                          var initialParams = {
                              bookmark: null,
                              hash: null
                          };
                          var storePromise = store.getMultiple({
                              page: null,
                              zoom: _ui_utils.DEFAULT_SCALE_VALUE,
                              scrollLeft: '0',
                              scrollTop: '0',
                              rotation: null,
                              sidebarView: _pdf_sidebar.SidebarView.NONE,
                              scrollMode: null,
                              spreadMode: null
                          }).catch(function () { });
                          Promise.all([storePromise, pageModePromise]).then(function (_ref2) {
                              var _ref3 = _slicedToArray(_ref2, 2),
                                  _ref3$ = _ref3[0],
                                  values = _ref3$ === undefined ? {} : _ref3$,
                                  pageMode = _ref3[1];
  
                              var zoom = _app_options.AppOptions.get('defaultZoomValue');
                              var hash = zoom ? 'zoom=' + zoom : null;
                              var rotation = null;
                              var sidebarView = _app_options.AppOptions.get('sidebarViewOnLoad');
                              var scrollMode = _app_options.AppOptions.get('scrollModeOnLoad');
                              var spreadMode = _app_options.AppOptions.get('spreadModeOnLoad');
                              if (values.page && _app_options.AppOptions.get('showPreviousViewOnLoad')) {
                                  hash = 'page=' + values.page + '&zoom=' + (zoom || values.zoom) + ',' + values.scrollLeft + ',' + values.scrollTop;
                                  rotation = parseInt(values.rotation, 10);
                                  sidebarView = sidebarView || values.sidebarView | 0;
                                  scrollMode = scrollMode || values.scrollMode | 0;
                                  spreadMode = spreadMode || values.spreadMode | 0;
                              }
                              if (pageMode && !_app_options.AppOptions.get('disablePageMode')) {
                                  sidebarView = sidebarView || apiPageModeToSidebarView(pageMode);
                              }
                              return {
                                  hash: hash,
                                  rotation: rotation,
                                  sidebarView: sidebarView,
                                  scrollMode: scrollMode,
                                  spreadMode: spreadMode
                              };
                          }).then(function (_ref4) {
                              var hash = _ref4.hash,
                                  rotation = _ref4.rotation,
                                  sidebarView = _ref4.sidebarView,
                                  scrollMode = _ref4.scrollMode,
                                  spreadMode = _ref4.spreadMode;
  
                              initialParams.bookmark = _this6.initialBookmark;
                              initialParams.hash = hash;
                              _this6.setInitialView(hash, {
                                  rotation: rotation,
                                  sidebarView: sidebarView,
                                  scrollMode: scrollMode,
                                  spreadMode: spreadMode
                              });
                              if (!_this6.isViewerEmbedded) {
                                  pdfViewer.focus();
                              }
                              return Promise.race([pagesPromise, new Promise(function (resolve) {
                                  setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
                              })]);
                          }).then(function () {
                              if (!initialParams.bookmark && !initialParams.hash) {
                                  return;
                              }
                              if (pdfViewer.hasEqualPageSizes) {
                                  return;
                              }
                              _this6.initialBookmark = initialParams.bookmark;
                              pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
                              _this6.setInitialView(initialParams.hash);
                          }).then(function () {
                              pdfViewer.update();
                          });
                      });
                      pdfDocument.getPageLabels().then(function (labels) {
                          if (!labels || _app_options.AppOptions.get('disablePageLabels')) {
                              return;
                          }
                          var i = 0,
                              numLabels = labels.length;
                          if (numLabels !== _this6.pagesCount) {
                              console.error('The number of Page Labels does not match ' + 'the number of pages in the document.');
                              return;
                          }
                          while (i < numLabels && labels[i] === (i + 1).toString()) {
                              i++;
                          }
                          if (i === numLabels) {
                              return;
                          }
                          pdfViewer.setPageLabels(labels);
                          pdfThumbnailViewer.setPageLabels(labels);
                          _this6.toolbar.setPagesCount(pdfDocument.numPages, true);
                          _this6.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
                      });
                      pagesPromise.then(function () {
                          if (!_this6.supportsPrinting) {
                              return;
                          }
                          pdfDocument.getJavaScript().then(function (javaScript) {
                              if (!javaScript) {
                                  return;
                              }
                              javaScript.some(function (js) {
                                  if (!js) {
                                      return false;
                                  }
                                  console.warn('Warning: JavaScript is not supported');
                                  _this6.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
                                  return true;
                              });
                              var regex = /\bprint\s*\(/;
                              for (var i = 0, ii = javaScript.length; i < ii; i++) {
                                  var js = javaScript[i];
                                  if (js && regex.test(js)) {
                                      setTimeout(function () {
                                          window.print();
                                      });
                                      return;
                                  }
                              }
                          });
                      });
                      Promise.all([onePageRendered, _ui_utils.animationStarted]).then(function () {
                          pdfDocument.getOutline().then(function (outline) {
                              _this6.pdfOutlineViewer.render({ outline: outline });
                          });
                          pdfDocument.getAttachments().then(function (attachments) {
                              _this6.pdfAttachmentViewer.render({ attachments: attachments });
                          });
                      });
                      pdfDocument.getMetadata().then(function (_ref5) {
                          var info = _ref5.info,
                              metadata = _ref5.metadata,
                              contentDispositionFilename = _ref5.contentDispositionFilename;
  
                          _this6.documentInfo = info;
                          _this6.metadata = metadata;
                          _this6.contentDispositionFilename = contentDispositionFilename;
                          console.log('PDF ' + pdfDocument.fingerprint + ' [' + info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() + ' / ' + (info.Creator || '-').trim() + ']' + ' (PDF.js: ' + (_pdfjsLib.version || '-') + (_app_options.AppOptions.get('enableWebGL') ? ' [WebGL]' : '') + ')');
                          var pdfTitle = void 0;
                          if (metadata && metadata.has('dc:title')) {
                              var title = metadata.get('dc:title');
                              if (title !== 'Untitled') {
                                  pdfTitle = title;
                              }
                          }
                          if (!pdfTitle && info && info['Title']) {
                              pdfTitle = info['Title'];
                          }
                          if (pdfTitle) {
                              _this6.setTitle(pdfTitle + ' - ' + (contentDispositionFilename || document.title));
                          } else if (contentDispositionFilename) {
                              _this6.setTitle(contentDispositionFilename);
                          }
                          if (info.IsAcroFormPresent) {
                              console.warn('Warning: AcroForm/XFA is not supported');
                              _this6.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms);
                          }
                      });
                  },
                  setInitialView: function setInitialView(storedHash) {
                      var _this7 = this;
  
                      var _ref6 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
                          rotation = _ref6.rotation,
                          sidebarView = _ref6.sidebarView,
                          scrollMode = _ref6.scrollMode,
                          spreadMode = _ref6.spreadMode;
  
                      var setRotation = function setRotation(angle) {
                          if ((0, _ui_utils.isValidRotation)(angle)) {
                              _this7.pdfViewer.pagesRotation = angle;
                          }
                      };
                      var setViewerModes = function setViewerModes(scroll, spread) {
                          if (Number.isInteger(scroll)) {
                              _this7.pdfViewer.scrollMode = scroll;
                          }
                          if (Number.isInteger(spread)) {
                              _this7.pdfViewer.spreadMode = spread;
                          }
                      };
                      setViewerModes(scrollMode, spreadMode);
                      this.isInitialViewSet = true;
                      this.pdfSidebar.setInitialView(sidebarView);
                      if (this.initialBookmark) {
                          setRotation(this.initialRotation);
                          delete this.initialRotation;
                          this.pdfLinkService.setHash(this.initialBookmark);
                          this.initialBookmark = null;
                      } else if (storedHash) {
                          setRotation(rotation);
                          this.pdfLinkService.setHash(storedHash);
                      }
                      this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
                      this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
                      if (!this.pdfViewer.currentScaleValue) {
                          this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
                      }
                  },
                  cleanup: function cleanup() {
                      if (!this.pdfDocument) {
                          return;
                      }
                      this.pdfViewer.cleanup();
                      this.pdfThumbnailViewer.cleanup();
                      if (this.pdfViewer.renderer !== _ui_utils.RendererType.SVG) {
                          this.pdfDocument.cleanup();
                      }
                  },
                  forceRendering: function forceRendering() {
                      this.pdfRenderingQueue.printing = this.printing;
                      this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
                      this.pdfRenderingQueue.renderHighestPriority();
                  },
                  beforePrint: function beforePrint() {
                      var _this8 = this;
  
                      if (this.printService) {
                          return;
                      }
                      if (!this.supportsPrinting) {
                          this.l10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by ' + 'this browser.').then(function (printMessage) {
                              _this8.error(printMessage);
                          });
                          return;
                      }
                      if (!this.pdfViewer.pageViewsReady) {
                          this.l10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.').then(function (notReadyMessage) {
                              window.alert(notReadyMessage);
                          });
                          return;
                      }
                      var pagesOverview = this.pdfViewer.getPagesOverview();
                      var printContainer = this.appConfig.printContainer;
                      var printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, this.l10n);
                      this.printService = printService;
                      this.forceRendering();
                      printService.layout();
                  },
  
                  afterPrint: function pdfViewSetupAfterPrint() {
                      if (this.printService) {
                          this.printService.destroy();
                          this.printService = null;
                      }
                      this.forceRendering();
                  },
                  rotatePages: function rotatePages(delta) {
                      if (!this.pdfDocument) {
                          return;
                      }
                      var newRotation = (this.pdfViewer.pagesRotation + 360 + delta) % 360;
                      this.pdfViewer.pagesRotation = newRotation;
                  },
                  requestPresentationMode: function requestPresentationMode() {
                      if (!this.pdfPresentationMode) {
                          return;
                      }
                      this.pdfPresentationMode.request();
                  },
                  bindEvents: function bindEvents() {
                      var eventBus = this.eventBus,
                          _boundEvents = this._boundEvents;
  
                      _boundEvents.beforePrint = this.beforePrint.bind(this);
                      _boundEvents.afterPrint = this.afterPrint.bind(this);
                      eventBus.on('resize', webViewerResize);
                      eventBus.on('hashchange', webViewerHashchange);
                      eventBus.on('beforeprint', _boundEvents.beforePrint);
                      eventBus.on('afterprint', _boundEvents.afterPrint);
                      eventBus.on('pagerendered', webViewerPageRendered);
                      eventBus.on('textlayerrendered', webViewerTextLayerRendered);
                      eventBus.on('updateviewarea', webViewerUpdateViewarea);
                      eventBus.on('pagechanging', webViewerPageChanging);
                      eventBus.on('scalechanging', webViewerScaleChanging);
                      eventBus.on('rotationchanging', webViewerRotationChanging);
                      eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged);
                      eventBus.on('pagemode', webViewerPageMode);
                      eventBus.on('namedaction', webViewerNamedAction);
                      eventBus.on('presentationmodechanged', webViewerPresentationModeChanged);
                      eventBus.on('presentationmode', webViewerPresentationMode);
                      eventBus.on('openfile', webViewerOpenFile);
                      eventBus.on('print', webViewerPrint);
                      eventBus.on('download', webViewerDownload);
                      eventBus.on('firstpage', webViewerFirstPage);
                      eventBus.on('lastpage', webViewerLastPage);
                      eventBus.on('nextpage', webViewerNextPage);
                      eventBus.on('previouspage', webViewerPreviousPage);
                      eventBus.on('zoomin', webViewerZoomIn);
                      eventBus.on('zoomout', webViewerZoomOut);
                      eventBus.on('pagenumberchanged', webViewerPageNumberChanged);
                      eventBus.on('scalechanged', webViewerScaleChanged);
                      eventBus.on('rotatecw', webViewerRotateCw);
                      eventBus.on('rotateccw', webViewerRotateCcw);
                      eventBus.on('switchscrollmode', webViewerSwitchScrollMode);
                      eventBus.on('scrollmodechanged', webViewerScrollModeChanged);
                      eventBus.on('switchspreadmode', webViewerSwitchSpreadMode);
                      eventBus.on('spreadmodechanged', webViewerSpreadModeChanged);
                      eventBus.on('documentproperties', webViewerDocumentProperties);
                      eventBus.on('find', webViewerFind);
                      eventBus.on('findfromurlhash', webViewerFindFromUrlHash);
                      eventBus.on('fileinputchange', webViewerFileInputChange);
                  },
                  bindWindowEvents: function bindWindowEvents() {
                      var eventBus = this.eventBus,
                          _boundEvents = this._boundEvents;
  
                      _boundEvents.windowResize = function () {
                          eventBus.dispatch('resize', { source: window });
                      };
                      _boundEvents.windowHashChange = function () {
                          eventBus.dispatch('hashchange', { hash: document.location.hash.substring(1) });
                      };
                      _boundEvents.windowBeforePrint = function () {
                          eventBus.dispatch('beforeprint');
                      };
                      _boundEvents.windowAfterPrint = function () {
                          eventBus.dispatch('afterprint');
                      };
                      window.addEventListener('wheel', webViewerWheel);
                      window.addEventListener('click', webViewerClick);
                      window.addEventListener('keydown', webViewerKeyDown);
                      window.addEventListener('resize', _boundEvents.windowResize);
                      window.addEventListener('hashchange', _boundEvents.windowHashChange);
                      window.addEventListener('beforeprint', _boundEvents.windowBeforePrint);
                      window.addEventListener('afterprint', _boundEvents.windowAfterPrint);
                  },
                  unbindEvents: function unbindEvents() {
                      var eventBus = this.eventBus,
                          _boundEvents = this._boundEvents;
  
                      eventBus.off('resize', webViewerResize);
                      eventBus.off('hashchange', webViewerHashchange);
                      eventBus.off('beforeprint', _boundEvents.beforePrint);
                      eventBus.off('afterprint', _boundEvents.afterPrint);
                      eventBus.off('pagerendered', webViewerPageRendered);
                      eventBus.off('textlayerrendered', webViewerTextLayerRendered);
                      eventBus.off('updateviewarea', webViewerUpdateViewarea);
                      eventBus.off('pagechanging', webViewerPageChanging);
                      eventBus.off('scalechanging', webViewerScaleChanging);
                      eventBus.off('rotationchanging', webViewerRotationChanging);
                      eventBus.off('sidebarviewchanged', webViewerSidebarViewChanged);
                      eventBus.off('pagemode', webViewerPageMode);
                      eventBus.off('namedaction', webViewerNamedAction);
                      eventBus.off('presentationmodechanged', webViewerPresentationModeChanged);
                      eventBus.off('presentationmode', webViewerPresentationMode);
                      eventBus.off('openfile', webViewerOpenFile);
                      eventBus.off('print', webViewerPrint);
                      eventBus.off('download', webViewerDownload);
                      eventBus.off('firstpage', webViewerFirstPage);
                      eventBus.off('lastpage', webViewerLastPage);
                      eventBus.off('nextpage', webViewerNextPage);
                      eventBus.off('previouspage', webViewerPreviousPage);
                      eventBus.off('zoomin', webViewerZoomIn);
                      eventBus.off('zoomout', webViewerZoomOut);
                      eventBus.off('pagenumberchanged', webViewerPageNumberChanged);
                      eventBus.off('scalechanged', webViewerScaleChanged);
                      eventBus.off('rotatecw', webViewerRotateCw);
                      eventBus.off('rotateccw', webViewerRotateCcw);
                      eventBus.off('switchscrollmode', webViewerSwitchScrollMode);
                      eventBus.off('scrollmodechanged', webViewerScrollModeChanged);
                      eventBus.off('switchspreadmode', webViewerSwitchSpreadMode);
                      eventBus.off('spreadmodechanged', webViewerSpreadModeChanged);
                      eventBus.off('documentproperties', webViewerDocumentProperties);
                      eventBus.off('find', webViewerFind);
                      eventBus.off('findfromurlhash', webViewerFindFromUrlHash);
                      eventBus.off('fileinputchange', webViewerFileInputChange);
                      _boundEvents.beforePrint = null;
                      _boundEvents.afterPrint = null;
                  },
                  unbindWindowEvents: function unbindWindowEvents() {
                      var _boundEvents = this._boundEvents;
  
                      window.removeEventListener('wheel', webViewerWheel);
                      window.removeEventListener('click', webViewerClick);
                      window.removeEventListener('keydown', webViewerKeyDown);
                      window.removeEventListener('resize', _boundEvents.windowResize);
                      window.removeEventListener('hashchange', _boundEvents.windowHashChange);
                      window.removeEventListener('beforeprint', _boundEvents.windowBeforePrint);
                      window.removeEventListener('afterprint', _boundEvents.windowAfterPrint);
                      _boundEvents.windowResize = null;
                      _boundEvents.windowHashChange = null;
                      _boundEvents.windowBeforePrint = null;
                      _boundEvents.windowAfterPrint = null;
                  }
              };
              // var validateFileURL = void 0;
              // {
              //     var HOSTED_VIEWER_ORIGINS = ['null', 'http://mozilla.github.io', 'https://mozilla.github.io'];
              //     validateFileURL = function validateFileURL(file) {
              //         if (file === undefined) {
              //             return;
              //         }
              //         try {
              //             var viewerOrigin = new _pdfjsLib.URL(window.location.href).origin || 'null';
              //             if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
              //                 return;
              //             }
  
              //             var _ref7 = new _pdfjsLib.URL(file, window.location.href),
              //                 origin = _ref7.origin,
              //                 protocol = _ref7.protocol;
  
              //             if (origin !== viewerOrigin && protocol !== 'blob:') {
              //                 throw new Error('file origin does not match viewer\'s');
              //             }
              //         } catch (ex) {
              //             var message = ex && ex.message;
              //             PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (loadingErrorMessage) {
              //                 PDFViewerApplication.error(loadingErrorMessage, { message: message });
              //             });
              //             throw ex;
              //         }
              //     };
              // }
              function loadFakeWorker() {
                  if (!_pdfjsLib.GlobalWorkerOptions.workerSrc) {
                      _pdfjsLib.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get('workerSrc');
                  }
                  return (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.getWorkerSrc());
              }
              function loadAndEnablePDFBug(enabledTabs) {
                  var appConfig = PDFViewerApplication.appConfig;
                  return (0, _pdfjsLib.loadScript)(appConfig.debuggerScriptPath).then(function () {
                      PDFBug.enable(enabledTabs);
                      PDFBug.init({
                          OPS: _pdfjsLib.OPS,
                          createObjectURL: _pdfjsLib.createObjectURL
                      }, appConfig.mainContainer);
                  });
              }
              function webViewerInitialized() {
                  var appConfig = PDFViewerApplication.appConfig;
                  var file = void 0;
                  var queryString = document.location.search.substring(1);
                  var params = (0, _ui_utils.parseQueryString)(queryString);
                  file = 'file' in params ? params.file : _app_options.AppOptions.get('defaultUrl');
                  // validateFileURL(file);
                  var fileInput = document.createElement('input');
                  fileInput.id = appConfig.openFileInputName;
                  fileInput.className = 'fileInput';
                  fileInput.setAttribute('type', 'file');
                  fileInput.oncontextmenu = _ui_utils.noContextMenuHandler;
                  document.body.appendChild(fileInput);
                  if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
                      appConfig.toolbar.openFile.setAttribute('hidden', 'true');
                      appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
                  } else {
                      fileInput.value = null;
                  }
                  fileInput.addEventListener('change', function (evt) {
                      var files = evt.target.files;
                      if (!files || files.length === 0) {
                          return;
                      }
                      PDFViewerApplication.eventBus.dispatch('fileinputchange', { fileInput: evt.target });
                  });
                  appConfig.mainContainer.addEventListener('dragover', function (evt) {
                      evt.preventDefault();
                      evt.dataTransfer.dropEffect = 'move';
                  });
                  appConfig.mainContainer.addEventListener('drop', function (evt) {
                      evt.preventDefault();
                      var files = evt.dataTransfer.files;
                      if (!files || files.length === 0) {
                          return;
                      }
                      PDFViewerApplication.eventBus.dispatch('fileinputchange', { fileInput: evt.dataTransfer });
                  });
                  if (!PDFViewerApplication.supportsPrinting) {
                      appConfig.toolbar.print.classList.add('hidden');
                      appConfig.secondaryToolbar.printButton.classList.add('hidden');
                  }
                  if (!PDFViewerApplication.supportsFullscreen) {
                      appConfig.toolbar.presentationModeButton.classList.add('hidden');
                      appConfig.secondaryToolbar.presentationModeButton.classList.add('hidden');
                  }
                  if (PDFViewerApplication.supportsIntegratedFind) {
                      appConfig.toolbar.viewFind.classList.add('hidden');
                  }
                  appConfig.mainContainer.addEventListener('transitionend', function (evt) {
                      if (evt.target === this) {
                          PDFViewerApplication.eventBus.dispatch('resize', { source: this });
                      }
                  }, true);
                  appConfig.sidebar.toggleButton.addEventListener('click', function () {
                      PDFViewerApplication.pdfSidebar.toggle();
                  });
                  Promise.resolve().then(function () {
                      webViewerOpenFileViaURL(file);
                  }).catch(function (reason) {
                      PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (msg) {
                          PDFViewerApplication.error(msg, reason);
                      });
                  });
              }
              var webViewerOpenFileViaURL = void 0;
              {
                  webViewerOpenFileViaURL = function webViewerOpenFileViaURL(file) {
                      if (file && file.lastIndexOf('file:', 0) === 0) {
                          PDFViewerApplication.setTitleUsingUrl(file);
                          var xhr = new XMLHttpRequest();
                          xhr.onload = function () {
                              PDFViewerApplication.open(new Uint8Array(xhr.response));
                          };
                          try {
                              xhr.open('GET', file);
                              xhr.responseType = 'arraybuffer';
                              xhr.send();
                          } catch (ex) {
                              throw ex;
                          }
                          return;
                      }
                      if (file) {
                          PDFViewerApplication.open(file);
                      }
                  };
              }
              function webViewerPageRendered(evt) {
                  var pageNumber = evt.pageNumber;
                  var pageIndex = pageNumber - 1;
                  var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
                  if (pageNumber === PDFViewerApplication.page) {
                      PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
                  }
                  if (!pageView) {
                      return;
                  }
                  if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
                      var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex);
                      thumbnailView.setImage(pageView);
                  }
                  if (typeof Stats !== 'undefined' && Stats.enabled && pageView.stats) {
                      Stats.add(pageNumber, pageView.stats);
                  }
                  if (pageView.error) {
                      PDFViewerApplication.l10n.get('rendering_error', null, 'An error occurred while rendering the page.').then(function (msg) {
                          PDFViewerApplication.error(msg, pageView.error);
                      });
                  }
              }
              function webViewerTextLayerRendered(evt) { }
              function webViewerPageMode(evt) {
                  var mode = evt.mode,
                      view = void 0;
                  switch (mode) {
                      case 'thumbs':
                          view = _pdf_sidebar.SidebarView.THUMBS;
                          break;
                      case 'bookmarks':
                      case 'outline':
                          view = _pdf_sidebar.SidebarView.OUTLINE;
                          break;
                      case 'attachments':
                          view = _pdf_sidebar.SidebarView.ATTACHMENTS;
                          break;
                      case 'none':
                          view = _pdf_sidebar.SidebarView.NONE;
                          break;
                      default:
                          console.error('Invalid "pagemode" hash parameter: ' + mode);
                          return;
                  }
                  PDFViewerApplication.pdfSidebar.switchView(view, true);
              }
              function webViewerNamedAction(evt) {
                  var action = evt.action;
                  switch (action) {
                      case 'GoToPage':
                          PDFViewerApplication.appConfig.toolbar.pageNumber.select();
                          break;
                      case 'Find':
                          if (!PDFViewerApplication.supportsIntegratedFind) {
                              PDFViewerApplication.findBar.toggle();
                          }
                          break;
                  }
              }
              function webViewerPresentationModeChanged(evt) {
                  var active = evt.active,
                      switchInProgress = evt.switchInProgress;
  
                  PDFViewerApplication.pdfViewer.presentationModeState = switchInProgress ? _ui_utils.PresentationModeState.CHANGING : active ? _ui_utils.PresentationModeState.FULLSCREEN : _ui_utils.PresentationModeState.NORMAL;
              }
              function webViewerSidebarViewChanged(evt) {
                  PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
                  var store = PDFViewerApplication.store;
                  if (store && PDFViewerApplication.isInitialViewSet) {
                      store.set('sidebarView', evt.view).catch(function () { });
                  }
              }
              function webViewerUpdateViewarea(evt) {
                  var location = evt.location,
                      store = PDFViewerApplication.store;
                  if (store && PDFViewerApplication.isInitialViewSet) {
                      store.setMultiple({
                          'page': location.pageNumber,
                          'zoom': location.scale,
                          'scrollLeft': location.left,
                          'scrollTop': location.top,
                          'rotation': location.rotation
                      }).catch(function () { });
                  }
                  var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
                  PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
                  PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
                  var currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
                  var loading = currentPage.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED;
                  PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
              }
              function webViewerScrollModeChanged(evt) {
                  var store = PDFViewerApplication.store;
                  if (store && PDFViewerApplication.isInitialViewSet) {
                      store.set('scrollMode', evt.mode).catch(function () { });
                  }
              }
              function webViewerSpreadModeChanged(evt) {
                  var store = PDFViewerApplication.store;
                  if (store && PDFViewerApplication.isInitialViewSet) {
                      store.set('spreadMode', evt.mode).catch(function () { });
                  }
              }
              function webViewerResize() {
                  var pdfDocument = PDFViewerApplication.pdfDocument,
                      pdfViewer = PDFViewerApplication.pdfViewer;
  
                  if (!pdfDocument) {
                      return;
                  }
                  var currentScaleValue = pdfViewer.currentScaleValue;
                  if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') {
                      pdfViewer.currentScaleValue = currentScaleValue;
                  }
                  pdfViewer.update();
              }
              function webViewerHashchange(evt) {
                  var hash = evt.hash;
                  if (!hash) {
                      return;
                  }
                  if (!PDFViewerApplication.isInitialViewSet) {
                      PDFViewerApplication.initialBookmark = hash;
                  } else if (!PDFViewerApplication.pdfHistory.popStateInProgress) {
                      PDFViewerApplication.pdfLinkService.setHash(hash);
                  }
              }
              var webViewerFileInputChange = void 0;
              {
                  webViewerFileInputChange = function webViewerFileInputChange(evt) {
                      if (PDFViewerApplication.pdfViewer && PDFViewerApplication.pdfViewer.isInPresentationMode) {
                          return;
                      }
                      var file = evt.fileInput.files[0];
                      if (_pdfjsLib.URL.createObjectURL && !_app_options.AppOptions.get('disableCreateObjectURL')) {
                          var _url = _pdfjsLib.URL.createObjectURL(file);
                          if (file.name) {
                              _url = {
                                  url: _url,
                                  originalUrl: file.name
                              };
                          }
                          PDFViewerApplication.open(_url);
                      } else {
                          PDFViewerApplication.setTitleUsingUrl(file.name);
                          var fileReader = new FileReader();
                          fileReader.onload = function webViewerChangeFileReaderOnload(evt) {
                              var buffer = evt.target.result;
                              PDFViewerApplication.open(new Uint8Array(buffer));
                          };
                          fileReader.readAsArrayBuffer(file);
                      }
                      var appConfig = PDFViewerApplication.appConfig;
                      appConfig.toolbar.viewBookmark.setAttribute('hidden', 'true');
                      appConfig.secondaryToolbar.viewBookmarkButton.setAttribute('hidden', 'true');
                      appConfig.toolbar.download.setAttribute('hidden', 'true');
                      appConfig.secondaryToolbar.downloadButton.setAttribute('hidden', 'true');
                  };
              }
              function webViewerPresentationMode() {
                  PDFViewerApplication.requestPresentationMode();
              }
              function webViewerOpenFile() {
                  var openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
                  document.getElementById(openFileInputName).click();
              }
              function webViewerPrint() {
                  window.print();
              }
              function webViewerDownload() {
                  PDFViewerApplication.download();
              }
              function webViewerFirstPage() {
                  if (PDFViewerApplication.pdfDocument) {
                      PDFViewerApplication.page = 1;
                  }
              }
              function webViewerLastPage() {
                  if (PDFViewerApplication.pdfDocument) {
                      PDFViewerApplication.page = PDFViewerApplication.pagesCount;
                  }
              }
              function webViewerNextPage() {
                  PDFViewerApplication.page++;
              }
              function webViewerPreviousPage() {
                  PDFViewerApplication.page--;
              }
              function webViewerZoomIn() {
                  PDFViewerApplication.zoomIn();
              }
              function webViewerZoomOut() {
                  PDFViewerApplication.zoomOut();
              }
              function webViewerPageNumberChanged(evt) {
                  var pdfViewer = PDFViewerApplication.pdfViewer;
                  pdfViewer.currentPageLabel = evt.value;
                  if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
                      PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
                  }
              }
              function webViewerScaleChanged(evt) {
                  PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
              }
              function webViewerRotateCw() {
                  PDFViewerApplication.rotatePages(90);
              }
              function webViewerRotateCcw() {
                  PDFViewerApplication.rotatePages(-90);
              }
              function webViewerSwitchScrollMode(evt) {
                  PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
              }
              function webViewerSwitchSpreadMode(evt) {
                  PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
              }
              function webViewerDocumentProperties() {
                  PDFViewerApplication.pdfDocumentProperties.open();
              }
              function webViewerFind(evt) {
                  PDFViewerApplication.findController.executeCommand('find' + evt.type, {
                      query: evt.query,
                      phraseSearch: evt.phraseSearch,
                      caseSensitive: evt.caseSensitive,
                      highlightAll: evt.highlightAll,
                      findPrevious: evt.findPrevious
                  });
              }
              function webViewerFindFromUrlHash(evt) {
                  PDFViewerApplication.findController.executeCommand('find', {
                      query: evt.query,
                      phraseSearch: evt.phraseSearch,
                      caseSensitive: false,
                      highlightAll: true,
                      findPrevious: false
                  });
              }
              function webViewerScaleChanging(evt) {
                  PDFViewerApplication.toolbar.setPageScale(evt.presetValue, evt.scale);
                  PDFViewerApplication.pdfViewer.update();
              }
              function webViewerRotationChanging(evt) {
                  PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
                  PDFViewerApplication.forceRendering();
                  PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
              }
              function webViewerPageChanging(evt) {
                  var page = evt.pageNumber;
                  PDFViewerApplication.toolbar.setPageNumber(page, evt.pageLabel || null);
                  PDFViewerApplication.secondaryToolbar.setPageNumber(page);
                  if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
                      PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
                  }
                  if (typeof Stats !== 'undefined' && Stats.enabled) {
                      var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
                      if (pageView && pageView.stats) {
                          Stats.add(page, pageView.stats);
                      }
                  }
              }
              var zoomDisabled = false,
                  zoomDisabledTimeout = void 0;
              function webViewerWheel(evt) {
                  var pdfViewer = PDFViewerApplication.pdfViewer;
                  if (pdfViewer.isInPresentationMode) {
                      return;
                  }
                  if (evt.ctrlKey || evt.metaKey) {
                      var support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys;
                      if (evt.ctrlKey && !support.ctrlKey || evt.metaKey && !support.metaKey) {
                          return;
                      }
                      evt.preventDefault();
                      if (zoomDisabled) {
                          return;
                      }
                      var previousScale = pdfViewer.currentScale;
                      var delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
                      var MOUSE_WHEEL_DELTA_PER_PAGE_SCALE = 3.0;
                      var ticks = delta * MOUSE_WHEEL_DELTA_PER_PAGE_SCALE;
                      if (ticks < 0) {
                          PDFViewerApplication.zoomOut(-ticks);
                      } else {
                          PDFViewerApplication.zoomIn(ticks);
                      }
                      var currentScale = pdfViewer.currentScale;
                      if (previousScale !== currentScale) {
                          var scaleCorrectionFactor = currentScale / previousScale - 1;
                          var rect = pdfViewer.container.getBoundingClientRect();
                          var dx = evt.clientX - rect.left;
                          var dy = evt.clientY - rect.top;
                          pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
                          pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
                      }
                  } else {
                      zoomDisabled = true;
                      clearTimeout(zoomDisabledTimeout);
                      zoomDisabledTimeout = setTimeout(function () {
                          zoomDisabled = false;
                      }, 1000);
                  }
              }
              function webViewerClick(evt) {
                  if (!PDFViewerApplication.secondaryToolbar.isOpen) {
                      return;
                  }
                  var appConfig = PDFViewerApplication.appConfig;
                  if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
                      PDFViewerApplication.secondaryToolbar.close();
                  }
              }
              function webViewerKeyDown(evt) {
                  if (PDFViewerApplication.overlayManager.active) {
                      return;
                  }
                  var handled = false,
                      ensureViewerFocused = false;
                  var cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
                  var pdfViewer = PDFViewerApplication.pdfViewer;
                  var isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;
                  if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
                      switch (evt.keyCode) {
                          case 70:
                              if (!PDFViewerApplication.supportsIntegratedFind) {
                                  PDFViewerApplication.findBar.open();
                                  handled = true;
                              }
                              break;
                          case 71:
                              if (!PDFViewerApplication.supportsIntegratedFind) {
                                  var findState = PDFViewerApplication.findController.state;
                                  if (findState) {
                                      PDFViewerApplication.findController.executeCommand('findagain', {
                                          query: findState.query,
                                          phraseSearch: findState.phraseSearch,
                                          caseSensitive: findState.caseSensitive,
                                          highlightAll: findState.highlightAll,
                                          findPrevious: cmd === 5 || cmd === 12
                                      });
                                  }
                                  handled = true;
                              }
                              break;
                          case 61:
                          case 107:
                          case 187:
                          case 171:
                              if (!isViewerInPresentationMode) {
                                  PDFViewerApplication.zoomIn();
                              }
                              handled = true;
                              break;
                          case 173:
                          case 109:
                          case 189:
                              if (!isViewerInPresentationMode) {
                                  PDFViewerApplication.zoomOut();
                              }
                              handled = true;
                              break;
                          case 48:
                          case 96:
                              if (!isViewerInPresentationMode) {
                                  setTimeout(function () {
                                      pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
                                  });
                                  handled = false;
                              }
                              break;
                          case 38:
                              if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
                                  PDFViewerApplication.page = 1;
                                  handled = true;
                                  ensureViewerFocused = true;
                              }
                              break;
                          case 40:
                              if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
                                  PDFViewerApplication.page = PDFViewerApplication.pagesCount;
                                  handled = true;
                                  ensureViewerFocused = true;
                              }
                              break;
                      }
                  }
                  if (cmd === 1 || cmd === 8) {
                      switch (evt.keyCode) {
                          case 83:
                              PDFViewerApplication.download();
                              handled = true;
                              break;
                      }
                  }
                  if (cmd === 3 || cmd === 10) {
                      switch (evt.keyCode) {
                          case 80:
                              PDFViewerApplication.requestPresentationMode();
                              handled = true;
                              break;
                          case 71:
                              PDFViewerApplication.appConfig.toolbar.pageNumber.select();
                              handled = true;
                              break;
                      }
                  }
                  if (handled) {
                      if (ensureViewerFocused && !isViewerInPresentationMode) {
                          pdfViewer.focus();
                      }
                      evt.preventDefault();
                      return;
                  }
                  var curElement = document.activeElement || document.querySelector(':focus');
                  var curElementTagName = curElement && curElement.tagName.toUpperCase();
                  if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT') {
                      if (evt.keyCode !== 27) {
                          return;
                      }
                  }
                  if (cmd === 0) {
                      var turnPage = 0,
                          turnOnlyIfPageFit = false;
                      switch (evt.keyCode) {
                          case 38:
                          case 33:
                              if (pdfViewer.isVerticalScrollbarEnabled) {
                                  turnOnlyIfPageFit = true;
                              }
                              turnPage = -1;
                              break;
                          case 8:
                              if (!isViewerInPresentationMode) {
                                  turnOnlyIfPageFit = true;
                              }
                              turnPage = -1;
                              break;
                          case 37:
                              if (pdfViewer.isHorizontalScrollbarEnabled) {
                                  turnOnlyIfPageFit = true;
                              }
                          case 75:
                          case 80:
                              turnPage = -1;
                              break;
                          case 27:
                              if (PDFViewerApplication.secondaryToolbar.isOpen) {
                                  PDFViewerApplication.secondaryToolbar.close();
                                  handled = true;
                              }
                              if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
                                  PDFViewerApplication.findBar.close();
                                  handled = true;
                              }
                              break;
                          case 40:
                          case 34:
                              if (pdfViewer.isVerticalScrollbarEnabled) {
                                  turnOnlyIfPageFit = true;
                              }
                              turnPage = 1;
                              break;
                          case 13:
                          case 32:
                              if (!isViewerInPresentationMode) {
                                  turnOnlyIfPageFit = true;
                              }
                              turnPage = 1;
                              break;
                          case 39:
                              if (pdfViewer.isHorizontalScrollbarEnabled) {
                                  turnOnlyIfPageFit = true;
                              }
                          case 74:
                          case 78:
                              turnPage = 1;
                              break;
                          case 36:
                              if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
                                  PDFViewerApplication.page = 1;
                                  handled = true;
                                  ensureViewerFocused = true;
                              }
                              break;
                          case 35:
                              if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
                                  PDFViewerApplication.page = PDFViewerApplication.pagesCount;
                                  handled = true;
                                  ensureViewerFocused = true;
                              }
                              break;
                          case 83:
                              PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.SELECT);
                              break;
                          case 72:
                              PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.HAND);
                              break;
                          case 82:
                              PDFViewerApplication.rotatePages(90);
                              break;
                      }
                      if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === 'page-fit')) {
                          if (turnPage > 0) {
                              if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
                                  PDFViewerApplication.page++;
                              }
                          } else {
                              if (PDFViewerApplication.page > 1) {
                                  PDFViewerApplication.page--;
                              }
                          }
                          handled = true;
                      }
                  }
                  if (cmd === 4) {
                      switch (evt.keyCode) {
                          case 13:
                          case 32:
                              if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
                                  break;
                              }
                              if (PDFViewerApplication.page > 1) {
                                  PDFViewerApplication.page--;
                              }
                              handled = true;
                              break;
                          case 82:
                              PDFViewerApplication.rotatePages(-90);
                              break;
                      }
                  }
                  if (!handled && !isViewerInPresentationMode) {
                      if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== 'BUTTON') {
                          ensureViewerFocused = true;
                      }
                  }
                  if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
                      pdfViewer.focus();
                  }
                  if (handled) {
                      evt.preventDefault();
                  }
              }
              function apiPageModeToSidebarView(mode) {
                  switch (mode) {
                      case 'UseNone':
                          return _pdf_sidebar.SidebarView.NONE;
                      case 'UseThumbs':
                          return _pdf_sidebar.SidebarView.THUMBS;
                      case 'UseOutlines':
                          return _pdf_sidebar.SidebarView.OUTLINE;
                      case 'UseAttachments':
                          return _pdf_sidebar.SidebarView.ATTACHMENTS;
                      case 'UseOC':
                  }
                  return _pdf_sidebar.SidebarView.NONE;
              }
              var PDFPrintServiceFactory = {
                  instance: {
                      supportsPrinting: false,
                      createPrintService: function createPrintService() {
                          throw new Error('Not implemented: createPrintService');
                      }
                  }
              };
              exports.PDFViewerApplication = PDFViewerApplication;
              exports.DefaultExternalServices = DefaultExternalServices;
              exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
  
              /***/
  }),
  /* 2 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
              var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var CSS_UNITS = 96.0 / 72.0;
              var DEFAULT_SCALE_VALUE = 'auto';
              var DEFAULT_SCALE = 1.0;
              var MIN_SCALE = 0.10;
              var MAX_SCALE = 10.0;
              var UNKNOWN_SCALE = 0;
              var MAX_AUTO_SCALE = 1.25;
              var SCROLLBAR_PADDING = 40;
              var VERTICAL_PADDING = 5;
              var PresentationModeState = {
                  UNKNOWN: 0,
                  NORMAL: 1,
                  CHANGING: 2,
                  FULLSCREEN: 3
              };
              var RendererType = {
                  CANVAS: 'canvas',
                  SVG: 'svg'
              };
              var TextLayerMode = {
                  DISABLE: 0,
                  ENABLE: 1,
                  ENABLE_ENHANCE: 2
              };
              function formatL10nValue(text, args) {
                  if (!args) {
                      return text;
                  }
                  return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function (all, name) {
                      return name in args ? args[name] : '{{' + name + '}}';
                  });
              }
              var NullL10n = {
                  getLanguage: function getLanguage() {
                      return Promise.resolve('en-us');
                  },
                  getDirection: function getDirection() {
                      return Promise.resolve('ltr');
                  },
                  get: function get(property, args, fallback) {
                      return Promise.resolve(formatL10nValue(fallback, args));
                  },
                  translate: function translate(element) {
                      return Promise.resolve();
                  }
              };
              function getOutputScale(ctx) {
                  var devicePixelRatio = window.devicePixelRatio || 1;
                  var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
                  var pixelRatio = devicePixelRatio / backingStoreRatio;
                  return {
                      sx: pixelRatio,
                      sy: pixelRatio,
                      scaled: pixelRatio !== 1
                  };
              }
              function scrollIntoView(element, spot) {
                  var skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  
                  var parent = element.offsetParent;
                  if (!parent) {
                      console.error('offsetParent is not set -- cannot scroll');
                      return;
                  }
                  var offsetY = element.offsetTop + element.clientTop;
                  var offsetX = element.offsetLeft + element.clientLeft;
                  while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === 'hidden') {
                      if (parent.dataset._scaleY) {
                          offsetY /= parent.dataset._scaleY;
                          offsetX /= parent.dataset._scaleX;
                      }
                      offsetY += parent.offsetTop;
                      offsetX += parent.offsetLeft;
                      parent = parent.offsetParent;
                      if (!parent) {
                          return;
                      }
                  }
                  if (spot) {
                      if (spot.top !== undefined) {
                          offsetY += spot.top;
                      }
                      if (spot.left !== undefined) {
                          offsetX += spot.left;
                          parent.scrollLeft = offsetX;
                      }
                  }
                  parent.scrollTop = offsetY;
              }
              function watchScroll(viewAreaElement, callback) {
                  var debounceScroll = function debounceScroll(evt) {
                      if (rAF) {
                          return;
                      }
                      rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
                          rAF = null;
                          var currentX = viewAreaElement.scrollLeft;
                          var lastX = state.lastX;
                          if (currentX !== lastX) {
                              state.right = currentX > lastX;
                          }
                          state.lastX = currentX;
                          var currentY = viewAreaElement.scrollTop;
                          var lastY = state.lastY;
                          if (currentY !== lastY) {
                              state.down = currentY > lastY;
                          }
                          state.lastY = currentY;
                          callback(state);
                      });
                  };
                  var state = {
                      right: true,
                      down: true,
                      lastX: viewAreaElement.scrollLeft,
                      lastY: viewAreaElement.scrollTop,
                      _eventHandler: debounceScroll
                  };
                  var rAF = null;
                  viewAreaElement.addEventListener('scroll', debounceScroll, true);
                  return state;
              }
              function parseQueryString(query) {
                  var parts = query.split('&');
                  var params = Object.create(null);
                  for (var i = 0, ii = parts.length; i < ii; ++i) {
                      var param = parts[i].split('=');
                      var key = param[0].toLowerCase();
                      var value = param.length > 1 ? param[1] : null;
                      params[decodeURIComponent(key)] = decodeURIComponent(value);
                  }
                  return params;
              }
              function binarySearchFirstItem(items, condition) {
                  var minIndex = 0;
                  var maxIndex = items.length - 1;
                  if (items.length === 0 || !condition(items[maxIndex])) {
                      return items.length;
                  }
                  if (condition(items[minIndex])) {
                      return minIndex;
                  }
                  while (minIndex < maxIndex) {
                      var currentIndex = minIndex + maxIndex >> 1;
                      var currentItem = items[currentIndex];
                      if (condition(currentItem)) {
                          maxIndex = currentIndex;
                      } else {
                          minIndex = currentIndex + 1;
                      }
                  }
                  return minIndex;
              }
              function approximateFraction(x) {
                  if (Math.floor(x) === x) {
                      return [x, 1];
                  }
                  var xinv = 1 / x;
                  var limit = 8;
                  if (xinv > limit) {
                      return [1, limit];
                  } else if (Math.floor(xinv) === xinv) {
                      return [1, xinv];
                  }
                  var x_ = x > 1 ? xinv : x;
                  var a = 0,
                      b = 1,
                      c = 1,
                      d = 1;
                  while (true) {
                      var p = a + c,
                          q = b + d;
                      if (q > limit) {
                          break;
                      }
                      if (x_ <= p / q) {
                          c = p;
                          d = q;
                      } else {
                          a = p;
                          b = q;
                      }
                  }
                  var result = void 0;
                  if (x_ - a / b < c / d - x_) {
                      result = x_ === x ? [a, b] : [b, a];
                  } else {
                      result = x_ === x ? [c, d] : [d, c];
                  }
                  return result;
              }
              function roundToDivide(x, div) {
                  var r = x % div;
                  return r === 0 ? x : Math.round(x - r + div);
              }
              function getPageSizeInches(_ref) {
                  var view = _ref.view,
                      userUnit = _ref.userUnit,
                      rotate = _ref.rotate;
  
                  var _view = _slicedToArray(view, 4),
                      x1 = _view[0],
                      y1 = _view[1],
                      x2 = _view[2],
                      y2 = _view[3];
  
                  var changeOrientation = rotate % 180 !== 0;
                  var width = (x2 - x1) / 72 * userUnit;
                  var height = (y2 - y1) / 72 * userUnit;
                  return {
                      width: changeOrientation ? height : width,
                      height: changeOrientation ? width : height
                  };
              }
              function backtrackBeforeAllVisibleElements(index, views, top) {
                  if (index < 2) {
                      return index;
                  }
                  var elt = views[index].div;
                  var pageTop = elt.offsetTop + elt.clientTop;
                  if (pageTop >= top) {
                      elt = views[index - 1].div;
                      pageTop = elt.offsetTop + elt.clientTop;
                  }
                  for (var i = index - 2; i >= 0; --i) {
                      elt = views[i].div;
                      if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
                          break;
                      }
                      index = i;
                  }
                  return index;
              }
              function getVisibleElements(scrollEl, views) {
                  var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
                  var horizontal = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
                  var top = scrollEl.scrollTop,
                      bottom = top + scrollEl.clientHeight;
                  var left = scrollEl.scrollLeft,
                      right = left + scrollEl.clientWidth;
                  function isElementBottomAfterViewTop(view) {
                      var element = view.div;
                      var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
                      return elementBottom > top;
                  }
                  function isElementRightAfterViewLeft(view) {
                      var element = view.div;
                      var elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;
                      return elementRight > left;
                  }
                  var visible = [],
                      view = void 0,
                      element = void 0;
                  var currentHeight = void 0,
                      viewHeight = void 0,
                      viewBottom = void 0,
                      hiddenHeight = void 0;
                  var currentWidth = void 0,
                      viewWidth = void 0,
                      viewRight = void 0,
                      hiddenWidth = void 0;
                  var percentVisible = void 0;
                  var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);
                  if (views.length > 0 && !horizontal) {
                      firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
                  }
                  var lastEdge = horizontal ? right : -1;
                  for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
                      view = views[i];
                      element = view.div;
                      currentWidth = element.offsetLeft + element.clientLeft;
                      currentHeight = element.offsetTop + element.clientTop;
                      viewWidth = element.clientWidth;
                      viewHeight = element.clientHeight;
                      viewRight = currentWidth + viewWidth;
                      viewBottom = currentHeight + viewHeight;
                      if (lastEdge === -1) {
                          if (viewBottom >= bottom) {
                              lastEdge = viewBottom;
                          }
                      } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
                          break;
                      }
                      if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
                          continue;
                      }
                      hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
                      hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
                      percentVisible = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
                      visible.push({
                          id: view.id,
                          x: currentWidth,
                          y: currentHeight,
                          view: view,
                          percent: percentVisible
                      });
                  }
                  var first = visible[0];
                  var last = visible[visible.length - 1];
                  if (sortByVisibility) {
                      visible.sort(function (a, b) {
                          var pc = a.percent - b.percent;
                          if (Math.abs(pc) > 0.001) {
                              return -pc;
                          }
                          return a.id - b.id;
                      });
                  }
                  return {
                      first: first,
                      last: last,
                      views: visible
                  };
              }
              function noContextMenuHandler(evt) {
                  evt.preventDefault();
              }
              function isDataSchema(url) {
                  var i = 0,
                      ii = url.length;
                  while (i < ii && url[i].trim() === '') {
                      i++;
                  }
                  return url.substr(i, 5).toLowerCase() === 'data:';
              }
              function getPDFFileNameFromURL(url) {
                  var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf';
  
                  if (isDataSchema(url)) {
                      console.warn('getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.');
                      return defaultFilename;
                  }
                  var reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
                  var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
                  var splitURI = reURI.exec(url);
                  var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
                  if (suggestedFilename) {
                      suggestedFilename = suggestedFilename[0];
                      if (suggestedFilename.includes('%')) {
                          try {
                              suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
                          } catch (ex) { }
                      }
                  }
                  return suggestedFilename || defaultFilename;
              }
              function normalizeWheelEventDelta(evt) {
                  var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
                  var angle = Math.atan2(evt.deltaY, evt.deltaX);
                  if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
                      delta = -delta;
                  }
                  var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
                  var MOUSE_DOM_DELTA_LINE_MODE = 1;
                  var MOUSE_PIXELS_PER_LINE = 30;
                  var MOUSE_LINES_PER_PAGE = 30;
                  if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
                      delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
                  } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
                      delta /= MOUSE_LINES_PER_PAGE;
                  }
                  return delta;
              }
              function isValidRotation(angle) {
                  return Number.isInteger(angle) && angle % 90 === 0;
              }
              function isPortraitOrientation(size) {
                  return size.width <= size.height;
              }
              var WaitOnType = {
                  EVENT: 'event',
                  TIMEOUT: 'timeout'
              };
              function waitOnEventOrTimeout(_ref2) {
                  var target = _ref2.target,
                      name = _ref2.name,
                      _ref2$delay = _ref2.delay,
                      delay = _ref2$delay === undefined ? 0 : _ref2$delay;
  
                  return new Promise(function (resolve, reject) {
                      if ((typeof target === 'undefined' ? 'undefined' : _typeof(target)) !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) {
                          throw new Error('waitOnEventOrTimeout - invalid parameters.');
                      }
                      function handler(type) {
                          if (target instanceof EventBus) {
                              target.off(name, eventHandler);
                          } else {
                              target.removeEventListener(name, eventHandler);
                          }
                          if (timeout) {
                              clearTimeout(timeout);
                          }
                          resolve(type);
                      }
                      var eventHandler = handler.bind(null, WaitOnType.EVENT);
                      if (target instanceof EventBus) {
                          target.on(name, eventHandler);
                      } else {
                          target.addEventListener(name, eventHandler);
                      }
                      var timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
                      var timeout = setTimeout(timeoutHandler, delay);
                  });
              }
              var animationStarted = new Promise(function (resolve) {
                  window.requestAnimationFrame(resolve);
              });
  
              var EventBus = function () {
                  function EventBus() {
                      _classCallCheck(this, EventBus);
  
                      this._listeners = Object.create(null);
                  }
  
                  _createClass(EventBus, [{
                      key: 'on',
                      value: function on(eventName, listener) {
                          var eventListeners = this._listeners[eventName];
                          if (!eventListeners) {
                              eventListeners = [];
                              this._listeners[eventName] = eventListeners;
                          }
                          eventListeners.push(listener);
                      }
                  }, {
                      key: 'off',
                      value: function off(eventName, listener) {
                          var eventListeners = this._listeners[eventName];
                          var i = void 0;
                          if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
                              return;
                          }
                          eventListeners.splice(i, 1);
                      }
                  }, {
                      key: 'dispatch',
                      value: function dispatch(eventName) {
                          var eventListeners = this._listeners[eventName];
                          if (!eventListeners || eventListeners.length === 0) {
                              return;
                          }
                          var args = Array.prototype.slice.call(arguments, 1);
                          eventListeners.slice(0).forEach(function (listener) {
                              listener.apply(null, args);
                          });
                      }
                  }]);
  
                  return EventBus;
              }();
  
              function clamp(v, min, max) {
                  return Math.min(Math.max(v, min), max);
              }
  
              var ProgressBar = function () {
                  function ProgressBar(id) {
                      var _ref3 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
                          height = _ref3.height,
                          width = _ref3.width,
                          units = _ref3.units;
  
                      _classCallCheck(this, ProgressBar);
  
                      this.visible = true;
                      this.div = document.querySelector(id + ' .progress');
                      this.bar = this.div.parentNode;
                      this.height = height || 100;
                      this.width = width || 100;
                      this.units = units || '%';
                      this.div.style.height = this.height + this.units;
                      this.percent = 0;
                  }
  
                  _createClass(ProgressBar, [{
                      key: '_updateBar',
                      value: function _updateBar() {
                          if (this._indeterminate) {
                              this.div.classList.add('indeterminate');
                              this.div.style.width = this.width + this.units;
                              return;
                          }
                          this.div.classList.remove('indeterminate');
                          var progressSize = this.width * this._percent / 100;
                          this.div.style.width = progressSize + this.units;
                      }
                  }, {
                      key: 'setWidth',
                      value: function setWidth(viewer) {
                          if (!viewer) {
                              return;
                          }
                          var container = viewer.parentNode;
                          var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
                          if (scrollbarWidth > 0) {
                              this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
                          }
                      }
                  }, {
                      key: 'hide',
                      value: function hide() {
                          if (!this.visible) {
                              return;
                          }
                          this.visible = false;
                          this.bar.classList.add('hidden');
                          document.body.classList.remove('loadingInProgress');
                      }
                  }, {
                      key: 'show',
                      value: function show() {
                          if (this.visible) {
                              return;
                          }
                          this.visible = true;
                          document.body.classList.add('loadingInProgress');
                          this.bar.classList.remove('hidden');
                      }
                  }, {
                      key: 'percent',
                      get: function get() {
                          return this._percent;
                      },
                      set: function set(val) {
                          this._indeterminate = isNaN(val);
                          this._percent = clamp(val, 0, 100);
                          this._updateBar();
                      }
                  }]);
  
                  return ProgressBar;
              }();
  
              function moveToEndOfArray(arr, condition) {
                  var moved = [],
                      len = arr.length;
                  var write = 0;
                  for (var read = 0; read < len; ++read) {
                      if (condition(arr[read])) {
                          moved.push(arr[read]);
                      } else {
                          arr[write] = arr[read];
                          ++write;
                      }
                  }
                  for (var _read = 0; write < len; ++_read, ++write) {
                      arr[write] = moved[_read];
                  }
              }
              exports.CSS_UNITS = CSS_UNITS;
              exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
              exports.DEFAULT_SCALE = DEFAULT_SCALE;
              exports.MIN_SCALE = MIN_SCALE;
              exports.MAX_SCALE = MAX_SCALE;
              exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
              exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
              exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
              exports.VERTICAL_PADDING = VERTICAL_PADDING;
              exports.isValidRotation = isValidRotation;
              exports.isPortraitOrientation = isPortraitOrientation;
              exports.PresentationModeState = PresentationModeState;
              exports.RendererType = RendererType;
              exports.TextLayerMode = TextLayerMode;
              exports.NullL10n = NullL10n;
              exports.EventBus = EventBus;
              exports.ProgressBar = ProgressBar;
              exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
              exports.noContextMenuHandler = noContextMenuHandler;
              exports.parseQueryString = parseQueryString;
              exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
              exports.getVisibleElements = getVisibleElements;
              exports.roundToDivide = roundToDivide;
              exports.getPageSizeInches = getPageSizeInches;
              exports.approximateFraction = approximateFraction;
              exports.getOutputScale = getOutputScale;
              exports.scrollIntoView = scrollIntoView;
              exports.watchScroll = watchScroll;
              exports.binarySearchFirstItem = binarySearchFirstItem;
              exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
              exports.animationStarted = animationStarted;
              exports.WaitOnType = WaitOnType;
              exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
              exports.moveToEndOfArray = moveToEndOfArray;
  
              /***/
  }),
  /* 3 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              var pdfjsLib = void 0;
              if (typeof window !== 'undefined' && window['pdfjs-dist/build/pdf']) {
                  pdfjsLib = window['pdfjs-dist/build/pdf'];
              } else {
                  pdfjsLib = require('../build/pdf.js');
              }
              module.exports = pdfjsLib;
  
              /***/
  }),
  /* 4 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFCursorTools = exports.CursorTool = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _grab_to_pan = __webpack_require__(5);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var CursorTool = {
                  SELECT: 0,
                  HAND: 1,
                  ZOOM: 2
              };
  
              var PDFCursorTools = function () {
                  function PDFCursorTools(_ref) {
                      var _this = this;
  
                      var container = _ref.container,
                          eventBus = _ref.eventBus,
                          _ref$cursorToolOnLoad = _ref.cursorToolOnLoad,
                          cursorToolOnLoad = _ref$cursorToolOnLoad === undefined ? CursorTool.SELECT : _ref$cursorToolOnLoad;
  
                      _classCallCheck(this, PDFCursorTools);
  
                      this.container = container;
                      this.eventBus = eventBus;
                      this.active = CursorTool.SELECT;
                      this.activeBeforePresentationMode = null;
                      this.handTool = new _grab_to_pan.GrabToPan({ element: this.container });
                      this._addEventListeners();
                      Promise.resolve().then(function () {
                          _this.switchTool(cursorToolOnLoad);
                      });
                  }
  
                  _createClass(PDFCursorTools, [{
                      key: 'switchTool',
                      value: function switchTool(tool) {
                          var _this2 = this;
  
                          if (this.activeBeforePresentationMode !== null) {
                              return;
                          }
                          if (tool === this.active) {
                              return;
                          }
                          var disableActiveTool = function disableActiveTool() {
                              switch (_this2.active) {
                                  case CursorTool.SELECT:
                                      break;
                                  case CursorTool.HAND:
                                      _this2.handTool.deactivate();
                                      break;
                                  case CursorTool.ZOOM:
                              }
                          };
                          switch (tool) {
                              case CursorTool.SELECT:
                                  disableActiveTool();
                                  break;
                              case CursorTool.HAND:
                                  disableActiveTool();
                                  this.handTool.activate();
                                  break;
                              case CursorTool.ZOOM:
                              default:
                                  console.error('switchTool: "' + tool + '" is an unsupported value.');
                                  return;
                          }
                          this.active = tool;
                          this._dispatchEvent();
                      }
                  }, {
                      key: '_dispatchEvent',
                      value: function _dispatchEvent() {
                          this.eventBus.dispatch('cursortoolchanged', {
                              source: this,
                              tool: this.active
                          });
                      }
                  }, {
                      key: '_addEventListeners',
                      value: function _addEventListeners() {
                          var _this3 = this;
  
                          this.eventBus.on('switchcursortool', function (evt) {
                              _this3.switchTool(evt.tool);
                          });
                          this.eventBus.on('presentationmodechanged', function (evt) {
                              if (evt.switchInProgress) {
                                  return;
                              }
                              var previouslyActive = void 0;
                              if (evt.active) {
                                  previouslyActive = _this3.active;
                                  _this3.switchTool(CursorTool.SELECT);
                                  _this3.activeBeforePresentationMode = previouslyActive;
                              } else {
                                  previouslyActive = _this3.activeBeforePresentationMode;
                                  _this3.activeBeforePresentationMode = null;
                                  _this3.switchTool(previouslyActive);
                              }
                          });
                      }
                  }, {
                      key: 'activeTool',
                      get: function get() {
                          return this.active;
                      }
                  }]);
  
                  return PDFCursorTools;
              }();
  
              exports.CursorTool = CursorTool;
              exports.PDFCursorTools = PDFCursorTools;
  
              /***/
  }),
  /* 5 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              function GrabToPan(options) {
                  this.element = options.element;
                  this.document = options.element.ownerDocument;
                  if (typeof options.ignoreTarget === 'function') {
                      this.ignoreTarget = options.ignoreTarget;
                  }
                  this.onActiveChanged = options.onActiveChanged;
                  this.activate = this.activate.bind(this);
                  this.deactivate = this.deactivate.bind(this);
                  this.toggle = this.toggle.bind(this);
                  this._onmousedown = this._onmousedown.bind(this);
                  this._onmousemove = this._onmousemove.bind(this);
                  this._endPan = this._endPan.bind(this);
                  var overlay = this.overlay = document.createElement('div');
                  overlay.className = 'grab-to-pan-grabbing';
              }
              GrabToPan.prototype = {
                  CSS_CLASS_GRAB: 'grab-to-pan-grab',
                  activate: function GrabToPan_activate() {
                      if (!this.active) {
                          this.active = true;
                          this.element.addEventListener('mousedown', this._onmousedown, true);
                          this.element.classList.add(this.CSS_CLASS_GRAB);
                          if (this.onActiveChanged) {
                              this.onActiveChanged(true);
                          }
                      }
                  },
                  deactivate: function GrabToPan_deactivate() {
                      if (this.active) {
                          this.active = false;
                          this.element.removeEventListener('mousedown', this._onmousedown, true);
                          this._endPan();
                          this.element.classList.remove(this.CSS_CLASS_GRAB);
                          if (this.onActiveChanged) {
                              this.onActiveChanged(false);
                          }
                      }
                  },
                  toggle: function GrabToPan_toggle() {
                      if (this.active) {
                          this.deactivate();
                      } else {
                          this.activate();
                      }
                  },
                  ignoreTarget: function GrabToPan_ignoreTarget(node) {
                      return node[matchesSelector]('a[href], a[href] *, input, textarea, button, button *, select, option');
                  },
                  _onmousedown: function GrabToPan__onmousedown(event) {
                      if (event.button !== 0 || this.ignoreTarget(event.target)) {
                          return;
                      }
                      if (event.originalTarget) {
                          try {
                              event.originalTarget.tagName;
                          } catch (e) {
                              return;
                          }
                      }
                      this.scrollLeftStart = this.element.scrollLeft;
                      this.scrollTopStart = this.element.scrollTop;
                      this.clientXStart = event.clientX;
                      this.clientYStart = event.clientY;
                      this.document.addEventListener('mousemove', this._onmousemove, true);
                      this.document.addEventListener('mouseup', this._endPan, true);
                      this.element.addEventListener('scroll', this._endPan, true);
                      event.preventDefault();
                      event.stopPropagation();
                      var focusedElement = document.activeElement;
                      if (focusedElement && !focusedElement.contains(event.target)) {
                          focusedElement.blur();
                      }
                  },
                  _onmousemove: function GrabToPan__onmousemove(event) {
                      this.element.removeEventListener('scroll', this._endPan, true);
                      if (isLeftMouseReleased(event)) {
                          this._endPan();
                          return;
                      }
                      var xDiff = event.clientX - this.clientXStart;
                      var yDiff = event.clientY - this.clientYStart;
                      var scrollTop = this.scrollTopStart - yDiff;
                      var scrollLeft = this.scrollLeftStart - xDiff;
                      if (this.element.scrollTo) {
                          this.element.scrollTo({
                              top: scrollTop,
                              left: scrollLeft,
                              behavior: 'instant'
                          });
                      } else {
                          this.element.scrollTop = scrollTop;
                          this.element.scrollLeft = scrollLeft;
                      }
                      if (!this.overlay.parentNode) {
                          document.body.appendChild(this.overlay);
                      }
                  },
                  _endPan: function GrabToPan__endPan() {
                      this.element.removeEventListener('scroll', this._endPan, true);
                      this.document.removeEventListener('mousemove', this._onmousemove, true);
                      this.document.removeEventListener('mouseup', this._endPan, true);
                      this.overlay.remove();
                  }
              };
              var matchesSelector;
              ['webkitM', 'mozM', 'msM', 'oM', 'm'].some(function (prefix) {
                  var name = prefix + 'atches';
                  if (name in document.documentElement) {
                      matchesSelector = name;
                  }
                  name += 'Selector';
                  if (name in document.documentElement) {
                      matchesSelector = name;
                  }
                  return matchesSelector;
              });
              var isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9;
              var chrome = window.chrome;
              var isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
              var isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);
              function isLeftMouseReleased(event) {
                  if ('buttons' in event && isNotIEorIsIE10plus) {
                      return !(event.buttons & 1);
                  }
                  if (isChrome15OrOpera15plus || isSafari6plus) {
                      return event.which === 0;
                  }
              }
              exports.GrabToPan = GrabToPan;
  
              /***/
  }),
  /* 6 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var CLEANUP_TIMEOUT = 30000;
              var RenderingStates = {
                  INITIAL: 0,
                  RUNNING: 1,
                  PAUSED: 2,
                  FINISHED: 3
              };
  
              var PDFRenderingQueue = function () {
                  function PDFRenderingQueue() {
                      _classCallCheck(this, PDFRenderingQueue);
  
                      this.pdfViewer = null;
                      this.pdfThumbnailViewer = null;
                      this.onIdle = null;
                      this.highestPriorityPage = null;
                      this.idleTimeout = null;
                      this.printing = false;
                      this.isThumbnailViewEnabled = false;
                  }
  
                  _createClass(PDFRenderingQueue, [{
                      key: "setViewer",
                      value: function setViewer(pdfViewer) {
                          this.pdfViewer = pdfViewer;
                      }
                  }, {
                      key: "setThumbnailViewer",
                      value: function setThumbnailViewer(pdfThumbnailViewer) {
                          this.pdfThumbnailViewer = pdfThumbnailViewer;
                      }
                  }, {
                      key: "isHighestPriority",
                      value: function isHighestPriority(view) {
                          return this.highestPriorityPage === view.renderingId;
                      }
                  }, {
                      key: "renderHighestPriority",
                      value: function renderHighestPriority(currentlyVisiblePages) {
                          if (this.idleTimeout) {
                              clearTimeout(this.idleTimeout);
                              this.idleTimeout = null;
                          }
                          if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
                              return;
                          }
                          if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
                              if (this.pdfThumbnailViewer.forceRendering()) {
                                  return;
                              }
                          }
                          if (this.printing) {
                              return;
                          }
                          if (this.onIdle) {
                              this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
                          }
                      }
                  }, {
                      key: "getHighestPriority",
                      value: function getHighestPriority(visible, views, scrolledDown) {
                          var visibleViews = visible.views;
                          var numVisible = visibleViews.length;
                          if (numVisible === 0) {
                              return false;
                          }
                          for (var i = 0; i < numVisible; ++i) {
                              var view = visibleViews[i].view;
                              if (!this.isViewFinished(view)) {
                                  return view;
                              }
                          }
                          if (scrolledDown) {
                              var nextPageIndex = visible.last.id;
                              if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
                                  return views[nextPageIndex];
                              }
                          } else {
                              var previousPageIndex = visible.first.id - 2;
                              if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
                                  return views[previousPageIndex];
                              }
                          }
                          return null;
                      }
                  }, {
                      key: "isViewFinished",
                      value: function isViewFinished(view) {
                          return view.renderingState === RenderingStates.FINISHED;
                      }
                  }, {
                      key: "renderView",
                      value: function renderView(view) {
                          var _this = this;
  
                          switch (view.renderingState) {
                              case RenderingStates.FINISHED:
                                  return false;
                              case RenderingStates.PAUSED:
                                  this.highestPriorityPage = view.renderingId;
                                  view.resume();
                                  break;
                              case RenderingStates.RUNNING:
                                  this.highestPriorityPage = view.renderingId;
                                  break;
                              case RenderingStates.INITIAL:
                                  this.highestPriorityPage = view.renderingId;
                                  var continueRendering = function continueRendering() {
                                      _this.renderHighestPriority();
                                  };
                                  view.draw().then(continueRendering, continueRendering);
                                  break;
                          }
                          return true;
                      }
                  }]);
  
                  return PDFRenderingQueue;
              }();
  
              exports.RenderingStates = RenderingStates;
              exports.PDFRenderingQueue = PDFRenderingQueue;
  
              /***/
  }),
  /* 7 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFSidebar = exports.SidebarView = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdf_rendering_queue = __webpack_require__(6);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var UI_NOTIFICATION_CLASS = 'pdfSidebarNotification';
              var SidebarView = {
                  NONE: 0,
                  THUMBS: 1,
                  OUTLINE: 2,
                  ATTACHMENTS: 3
              };
  
              var PDFSidebar = function () {
                  function PDFSidebar(options) {
                      var l10n = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _ui_utils.NullL10n;
  
                      _classCallCheck(this, PDFSidebar);
  
                      this.isOpen = false;
                      this.active = SidebarView.THUMBS;
                      this.isInitialViewSet = false;
                      this.onToggled = null;
                      this.pdfViewer = options.pdfViewer;
                      this.pdfThumbnailViewer = options.pdfThumbnailViewer;
                      this.pdfOutlineViewer = options.pdfOutlineViewer;
                      this.outerContainer = options.outerContainer;
                      this.viewerContainer = options.viewerContainer;
                      this.eventBus = options.eventBus;
                      this.toggleButton = options.toggleButton;
                      this.thumbnailButton = options.thumbnailButton;
                      this.outlineButton = options.outlineButton;
                      this.attachmentsButton = options.attachmentsButton;
                      this.thumbnailView = options.thumbnailView;
                      this.outlineView = options.outlineView;
                      this.attachmentsView = options.attachmentsView;
                      this.disableNotification = options.disableNotification || false;
                      this.l10n = l10n;
                      this._addEventListeners();
                  }
  
                  _createClass(PDFSidebar, [{
                      key: 'reset',
                      value: function reset() {
                          this.isInitialViewSet = false;
                          this._hideUINotification(null);
                          this.switchView(SidebarView.THUMBS);
                          this.outlineButton.disabled = false;
                          this.attachmentsButton.disabled = false;
                      }
                  }, {
                      key: 'setInitialView',
                      value: function setInitialView() {
                          var view = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : SidebarView.NONE;
  
                          if (this.isInitialViewSet) {
                              return;
                          }
                          this.isInitialViewSet = true;
                          if (this.isOpen && view === SidebarView.NONE) {
                              this._dispatchEvent();
                              return;
                          }
                          var isViewPreserved = view === this.visibleView;
                          this.switchView(view, true);
                          if (isViewPreserved) {
                              this._dispatchEvent();
                          }
                      }
                  }, {
                      key: 'switchView',
                      value: function switchView(view) {
                          var forceOpen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
                          if (view === SidebarView.NONE) {
                              this.close();
                              return;
                          }
                          var isViewChanged = view !== this.active;
                          var shouldForceRendering = false;
                          switch (view) {
                              case SidebarView.THUMBS:
                                  this.thumbnailButton.classList.add('toggled');
                                  this.outlineButton.classList.remove('toggled');
                                  this.attachmentsButton.classList.remove('toggled');
                                  this.thumbnailView.classList.remove('hidden');
                                  this.outlineView.classList.add('hidden');
                                  this.attachmentsView.classList.add('hidden');
                                  if (this.isOpen && isViewChanged) {
                                      this._updateThumbnailViewer();
                                      shouldForceRendering = true;
                                  }
                                  break;
                              case SidebarView.OUTLINE:
                                  if (this.outlineButton.disabled) {
                                      return;
                                  }
                                  this.thumbnailButton.classList.remove('toggled');
                                  this.outlineButton.classList.add('toggled');
                                  this.attachmentsButton.classList.remove('toggled');
                                  this.thumbnailView.classList.add('hidden');
                                  this.outlineView.classList.remove('hidden');
                                  this.attachmentsView.classList.add('hidden');
                                  break;
                              case SidebarView.ATTACHMENTS:
                                  if (this.attachmentsButton.disabled) {
                                      return;
                                  }
                                  this.thumbnailButton.classList.remove('toggled');
                                  this.outlineButton.classList.remove('toggled');
                                  this.attachmentsButton.classList.add('toggled');
                                  this.thumbnailView.classList.add('hidden');
                                  this.outlineView.classList.add('hidden');
                                  this.attachmentsView.classList.remove('hidden');
                                  break;
                              default:
                                  console.error('PDFSidebar_switchView: "' + view + '" is an unsupported value.');
                                  return;
                          }
                          this.active = view | 0;
                          if (forceOpen && !this.isOpen) {
                              this.open();
                              return;
                          }
                          if (shouldForceRendering) {
                              this._forceRendering();
                          }
                          if (isViewChanged) {
                              this._dispatchEvent();
                          }
                          this._hideUINotification(this.active);
                      }
                  }, {
                      key: 'open',
                      value: function open() {
                          if (this.isOpen) {
                              return;
                          }
                          this.isOpen = true;
                          this.toggleButton.classList.add('toggled');
                          this.outerContainer.classList.add('sidebarMoving');
                          this.outerContainer.classList.add('sidebarOpen');
                          if (this.active === SidebarView.THUMBS) {
                              this._updateThumbnailViewer();
                          }
                          this._forceRendering();
                          this._dispatchEvent();
                          this._hideUINotification(this.active);
                      }
                  }, {
                      key: 'close',
                      value: function close() {
                          if (!this.isOpen) {
                              return;
                          }
                          this.isOpen = false;
                          this.toggleButton.classList.remove('toggled');
                          this.outerContainer.classList.add('sidebarMoving');
                          this.outerContainer.classList.remove('sidebarOpen');
                          this._forceRendering();
                          this._dispatchEvent();
                      }
                  }, {
                      key: 'toggle',
                      value: function toggle() {
                          if (this.isOpen) {
                              this.close();
                          } else {
                              this.open();
                          }
                      }
                  }, {
                      key: '_dispatchEvent',
                      value: function _dispatchEvent() {
                          this.eventBus.dispatch('sidebarviewchanged', {
                              source: this,
                              view: this.visibleView
                          });
                      }
                  }, {
                      key: '_forceRendering',
                      value: function _forceRendering() {
                          if (this.onToggled) {
                              this.onToggled();
                          } else {
                              this.pdfViewer.forceRendering();
                              this.pdfThumbnailViewer.forceRendering();
                          }
                      }
                  }, {
                      key: '_updateThumbnailViewer',
                      value: function _updateThumbnailViewer() {
                          var pdfViewer = this.pdfViewer,
                              pdfThumbnailViewer = this.pdfThumbnailViewer;
  
                          var pagesCount = pdfViewer.pagesCount;
                          for (var pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
                              var pageView = pdfViewer.getPageView(pageIndex);
                              if (pageView && pageView.renderingState === _pdf_rendering_queue.RenderingStates.FINISHED) {
                                  var thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
                                  thumbnailView.setImage(pageView);
                              }
                          }
                          pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
                      }
                  }, {
                      key: '_showUINotification',
                      value: function _showUINotification(view) {
                          var _this = this;
  
                          if (this.disableNotification) {
                              return;
                          }
                          this.l10n.get('toggle_sidebar_notification.title', null, 'Toggle Sidebar (document contains outline/attachments)').then(function (msg) {
                              _this.toggleButton.title = msg;
                          });
                          if (!this.isOpen) {
                              this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
                          } else if (view === this.active) {
                              return;
                          }
                          switch (view) {
                              case SidebarView.OUTLINE:
                                  this.outlineButton.classList.add(UI_NOTIFICATION_CLASS);
                                  break;
                              case SidebarView.ATTACHMENTS:
                                  this.attachmentsButton.classList.add(UI_NOTIFICATION_CLASS);
                                  break;
                          }
                      }
                  }, {
                      key: '_hideUINotification',
                      value: function _hideUINotification(view) {
                          var _this2 = this;
  
                          if (this.disableNotification) {
                              return;
                          }
                          var removeNotification = function removeNotification(view) {
                              switch (view) {
                                  case SidebarView.OUTLINE:
                                      _this2.outlineButton.classList.remove(UI_NOTIFICATION_CLASS);
                                      break;
                                  case SidebarView.ATTACHMENTS:
                                      _this2.attachmentsButton.classList.remove(UI_NOTIFICATION_CLASS);
                                      break;
                              }
                          };
                          if (!this.isOpen && view !== null) {
                              return;
                          }
                          this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
                          if (view !== null) {
                              removeNotification(view);
                              return;
                          }
                          for (view in SidebarView) {
                              removeNotification(SidebarView[view]);
                          }
                          this.l10n.get('toggle_sidebar.title', null, 'Toggle Sidebar').then(function (msg) {
                              _this2.toggleButton.title = msg;
                          });
                      }
                  }, {
                      key: '_addEventListeners',
                      value: function _addEventListeners() {
                          var _this3 = this;
  
                          this.viewerContainer.addEventListener('transitionend', function (evt) {
                              if (evt.target === _this3.viewerContainer) {
                                  _this3.outerContainer.classList.remove('sidebarMoving');
                              }
                          });
                          this.thumbnailButton.addEventListener('click', function () {
                              _this3.switchView(SidebarView.THUMBS);
                          });
                          this.outlineButton.addEventListener('click', function () {
                              _this3.switchView(SidebarView.OUTLINE);
                          });
                          this.outlineButton.addEventListener('dblclick', function () {
                              _this3.pdfOutlineViewer.toggleOutlineTree();
                          });
                          this.attachmentsButton.addEventListener('click', function () {
                              _this3.switchView(SidebarView.ATTACHMENTS);
                          });
                          this.eventBus.on('outlineloaded', function (evt) {
                              var outlineCount = evt.outlineCount;
                              _this3.outlineButton.disabled = !outlineCount;
                              if (outlineCount) {
                                  _this3._showUINotification(SidebarView.OUTLINE);
                              } else if (_this3.active === SidebarView.OUTLINE) {
                                  _this3.switchView(SidebarView.THUMBS);
                              }
                          });
                          this.eventBus.on('attachmentsloaded', function (evt) {
                              if (evt.attachmentsCount) {
                                  _this3.attachmentsButton.disabled = false;
                                  _this3._showUINotification(SidebarView.ATTACHMENTS);
                                  return;
                              }
                              Promise.resolve().then(function () {
                                  if (_this3.attachmentsView.hasChildNodes()) {
                                      return;
                                  }
                                  _this3.attachmentsButton.disabled = true;
                                  if (_this3.active === SidebarView.ATTACHMENTS) {
                                      _this3.switchView(SidebarView.THUMBS);
                                  }
                              });
                          });
                          this.eventBus.on('presentationmodechanged', function (evt) {
                              if (!evt.active && !evt.switchInProgress && _this3.isThumbnailViewVisible) {
                                  _this3._updateThumbnailViewer();
                              }
                          });
                      }
                  }, {
                      key: 'visibleView',
                      get: function get() {
                          return this.isOpen ? this.active : SidebarView.NONE;
                      }
                  }, {
                      key: 'isThumbnailViewVisible',
                      get: function get() {
                          return this.isOpen && this.active === SidebarView.THUMBS;
                      }
                  }, {
                      key: 'isOutlineViewVisible',
                      get: function get() {
                          return this.isOpen && this.active === SidebarView.OUTLINE;
                      }
                  }, {
                      key: 'isAttachmentsViewVisible',
                      get: function get() {
                          return this.isOpen && this.active === SidebarView.ATTACHMENTS;
                      }
                  }]);
  
                  return PDFSidebar;
              }();
  
              exports.SidebarView = SidebarView;
              exports.PDFSidebar = PDFSidebar;
  
              /***/
  }),
  /* 8 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.OptionKind = exports.AppOptions = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _pdfjsLib = __webpack_require__(3);
  
              var _viewer_compatibility = __webpack_require__(9);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var OptionKind = {
                  VIEWER: 'viewer',
                  API: 'api',
                  WORKER: 'worker'
              };
              var defaultOptions = {
                  cursorToolOnLoad: {
                      value: 0,
                      kind: OptionKind.VIEWER
                  },
                  defaultUrl: {
                      value: 'compressed.tracemonkey-pldi-09.pdf',
                      kind: OptionKind.VIEWER
                  },
                  defaultZoomValue: {
                      value: '',
                      kind: OptionKind.VIEWER
                  },
                  disableHistory: {
                      value: false,
                      kind: OptionKind.VIEWER
                  },
                  disablePageLabels: {
                      value: false,
                      kind: OptionKind.VIEWER
                  },
                  disablePageMode: {
                      value: false,
                      kind: OptionKind.VIEWER
                  },
                  enablePrintAutoRotate: {
                      value: false,
                      kind: OptionKind.VIEWER
                  },
                  enableWebGL: {
                      value: false,
                      kind: OptionKind.VIEWER
                  },
                  externalLinkRel: {
                      value: 'noopener noreferrer nofollow',
                      kind: OptionKind.VIEWER
                  },
                  externalLinkTarget: {
                      value: 0,
                      kind: OptionKind.VIEWER
                  },
                  imageResourcesPath: {
                      value: './images/',
                      kind: OptionKind.VIEWER
                  },
                  maxCanvasPixels: {
                      value: _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216,
                      kind: OptionKind.VIEWER
                  },
                  pdfBugEnabled: {
                      value: false,
                      kind: OptionKind.VIEWER
                  },
                  renderer: {
                      value: 'canvas',
                      kind: OptionKind.VIEWER
                  },
                  renderInteractiveForms: {
                      value: false,
                      kind: OptionKind.VIEWER
                  },
                  showPreviousViewOnLoad: {
                      value: true,
                      kind: OptionKind.VIEWER
                  },
                  sidebarViewOnLoad: {
                      value: 0,
                      kind: OptionKind.VIEWER
                  },
                  scrollModeOnLoad: {
                      value: 0,
                      kind: OptionKind.VIEWER
                  },
                  spreadModeOnLoad: {
                      value: 0,
                      kind: OptionKind.VIEWER
                  },
                  textLayerMode: {
                      value: 1,
                      kind: OptionKind.VIEWER
                  },
                  useOnlyCssZoom: {
                      value: false,
                      kind: OptionKind.VIEWER
                  },
                  cMapPacked: {
                      value: true,
                      kind: OptionKind.API
                  },
                  cMapUrl: {
                      value: '../web/cmaps/',
                      kind: OptionKind.API
                  },
                  disableAutoFetch: {
                      value: false,
                      kind: OptionKind.API
                  },
                  disableCreateObjectURL: {
                      value: _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL || false,
                      kind: OptionKind.API
                  },
                  disableFontFace: {
                      value: false,
                      kind: OptionKind.API
                  },
                  disableRange: {
                      value: false,
                      kind: OptionKind.API
                  },
                  disableStream: {
                      value: false,
                      kind: OptionKind.API
                  },
                  isEvalSupported: {
                      value: true,
                      kind: OptionKind.API
                  },
                  maxImageSize: {
                      value: -1,
                      kind: OptionKind.API
                  },
                  pdfBug: {
                      value: false,
                      kind: OptionKind.API
                  },
                  postMessageTransfers: {
                      value: true,
                      kind: OptionKind.API
                  },
                  verbosity: {
                      value: 1,
                      kind: OptionKind.API
                  },
                  workerPort: {
                      value: null,
                      kind: OptionKind.WORKER
                  },
                  workerSrc: {
                      value: './lib/pdf.worker.js',
                      kind: OptionKind.WORKER
                  }
              };
              {
                  defaultOptions.locale = {
                      value: typeof navigator !== 'undefined' ? navigator.language : 'en-US',
                      kind: OptionKind.VIEWER
                  };
              }
              var userOptions = Object.create(null);
  
              var AppOptions = function () {
                  function AppOptions() {
                      _classCallCheck(this, AppOptions);
  
                      throw new Error('Cannot initialize AppOptions.');
                  }
  
                  _createClass(AppOptions, null, [{
                      key: 'get',
                      value: function get(name) {
                          var defaultOption = defaultOptions[name],
                              userOption = userOptions[name];
                          if (userOption !== undefined) {
                              return userOption;
                          }
                          return defaultOption !== undefined ? defaultOption.value : undefined;
                      }
                  }, {
                      key: 'getAll',
                      value: function getAll() {
                          var kind = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
  
                          var options = Object.create(null);
                          for (var name in defaultOptions) {
                              var defaultOption = defaultOptions[name],
                                  userOption = userOptions[name];
                              if (kind && defaultOption.kind !== kind) {
                                  continue;
                              }
                              options[name] = userOption !== undefined ? userOption : defaultOption.value;
                          }
                          return options;
                      }
                  }, {
                      key: 'set',
                      value: function set(name, value) {
                          userOptions[name] = value;
                      }
                  }, {
                      key: 'remove',
                      value: function remove(name) {
                          delete userOptions[name];
                      }
                  }]);
  
                  return AppOptions;
              }();
  
              exports.AppOptions = AppOptions;
              exports.OptionKind = OptionKind;
  
              /***/
  }),
  /* 9 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              var compatibilityParams = Object.create(null);
              {
                  var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
                  var isAndroid = /Android/.test(userAgent);
                  var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
                  (function checkCanvasSizeLimitation() {
                      if (isIOS || isAndroid) {
                          compatibilityParams.maxCanvasPixels = 5242880;
                      }
                  })();
              }
              exports.viewerCompatibilityParams = Object.freeze(compatibilityParams);
  
              /***/
  }),
  /* 10 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.getGlobalEventBus = exports.attachDOMEventsToEventBus = undefined;
  
              var _ui_utils = __webpack_require__(2);
  
              function attachDOMEventsToEventBus(eventBus) {
                  eventBus.on('documentload', function () {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('documentload', true, true, {});
                      window.dispatchEvent(event);
                  });
                  eventBus.on('pagerendered', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('pagerendered', true, true, {
                          pageNumber: evt.pageNumber,
                          cssTransform: evt.cssTransform
                      });
                      evt.source.div.dispatchEvent(event);
                  });
                  eventBus.on('textlayerrendered', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('textlayerrendered', true, true, { pageNumber: evt.pageNumber });
                      evt.source.textLayerDiv.dispatchEvent(event);
                  });
                  eventBus.on('pagechange', function (evt) {
                      var event = document.createEvent('UIEvents');
                      event.initUIEvent('pagechange', true, true, window, 0);
                      event.pageNumber = evt.pageNumber;
                      evt.source.container.dispatchEvent(event);
                  });
                  eventBus.on('pagesinit', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('pagesinit', true, true, null);
                      evt.source.container.dispatchEvent(event);
                  });
                  eventBus.on('pagesloaded', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('pagesloaded', true, true, { pagesCount: evt.pagesCount });
                      evt.source.container.dispatchEvent(event);
                  });
                  eventBus.on('scalechange', function (evt) {
                      var event = document.createEvent('UIEvents');
                      event.initUIEvent('scalechange', true, true, window, 0);
                      event.scale = evt.scale;
                      event.presetValue = evt.presetValue;
                      evt.source.container.dispatchEvent(event);
                  });
                  eventBus.on('updateviewarea', function (evt) {
                      var event = document.createEvent('UIEvents');
                      event.initUIEvent('updateviewarea', true, true, window, 0);
                      event.location = evt.location;
                      evt.source.container.dispatchEvent(event);
                  });
                  eventBus.on('find', function (evt) {
                      if (evt.source === window) {
                          return;
                      }
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('find' + evt.type, true, true, {
                          query: evt.query,
                          phraseSearch: evt.phraseSearch,
                          caseSensitive: evt.caseSensitive,
                          highlightAll: evt.highlightAll,
                          findPrevious: evt.findPrevious
                      });
                      window.dispatchEvent(event);
                  });
                  eventBus.on('attachmentsloaded', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: evt.attachmentsCount });
                      evt.source.container.dispatchEvent(event);
                  });
                  eventBus.on('sidebarviewchanged', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('sidebarviewchanged', true, true, { view: evt.view });
                      evt.source.outerContainer.dispatchEvent(event);
                  });
                  eventBus.on('pagemode', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('pagemode', true, true, { mode: evt.mode });
                      evt.source.pdfViewer.container.dispatchEvent(event);
                  });
                  eventBus.on('namedaction', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('namedaction', true, true, { action: evt.action });
                      evt.source.pdfViewer.container.dispatchEvent(event);
                  });
                  eventBus.on('presentationmodechanged', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('presentationmodechanged', true, true, {
                          active: evt.active,
                          switchInProgress: evt.switchInProgress
                      });
                      window.dispatchEvent(event);
                  });
                  eventBus.on('outlineloaded', function (evt) {
                      var event = document.createEvent('CustomEvent');
                      event.initCustomEvent('outlineloaded', true, true, { outlineCount: evt.outlineCount });
                      evt.source.container.dispatchEvent(event);
                  });
              }
              var globalEventBus = null;
              function getGlobalEventBus() {
                  if (globalEventBus) {
                      return globalEventBus;
                  }
                  globalEventBus = new _ui_utils.EventBus();
                  attachDOMEventsToEventBus(globalEventBus);
                  return globalEventBus;
              }
              exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
              exports.getGlobalEventBus = getGlobalEventBus;
  
              /***/
  }),
  /* 11 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var OverlayManager = function () {
                  function OverlayManager() {
                      _classCallCheck(this, OverlayManager);
  
                      this._overlays = {};
                      this._active = null;
                      this._keyDownBound = this._keyDown.bind(this);
                  }
  
                  _createClass(OverlayManager, [{
                      key: 'register',
                      value: function register(name, element) {
                          var _this = this;
  
                          var callerCloseMethod = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
                          var canForceClose = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
                          return new Promise(function (resolve) {
                              var container = void 0;
                              if (!name || !element || !(container = element.parentNode)) {
                                  throw new Error('Not enough parameters.');
                              } else if (_this._overlays[name]) {
                                  throw new Error('The overlay is already registered.');
                              }
                              _this._overlays[name] = {
                                  element: element,
                                  container: container,
                                  callerCloseMethod: callerCloseMethod,
                                  canForceClose: canForceClose
                              };
                              resolve();
                          });
                      }
                  }, {
                      key: 'unregister',
                      value: function unregister(name) {
                          var _this2 = this;
  
                          return new Promise(function (resolve) {
                              if (!_this2._overlays[name]) {
                                  throw new Error('The overlay does not exist.');
                              } else if (_this2._active === name) {
                                  throw new Error('The overlay cannot be removed while it is active.');
                              }
                              delete _this2._overlays[name];
                              resolve();
                          });
                      }
                  }, {
                      key: 'open',
                      value: function open(name) {
                          var _this3 = this;
  
                          return new Promise(function (resolve) {
                              if (!_this3._overlays[name]) {
                                  throw new Error('The overlay does not exist.');
                              } else if (_this3._active) {
                                  if (_this3._overlays[name].canForceClose) {
                                      _this3._closeThroughCaller();
                                  } else if (_this3._active === name) {
                                      throw new Error('The overlay is already active.');
                                  } else {
                                      throw new Error('Another overlay is currently active.');
                                  }
                              }
                              _this3._active = name;
                              _this3._overlays[_this3._active].element.classList.remove('hidden');
                              _this3._overlays[_this3._active].container.classList.remove('hidden');
                              window.addEventListener('keydown', _this3._keyDownBound);
                              resolve();
                          });
                      }
                  }, {
                      key: 'close',
                      value: function close(name) {
                          var _this4 = this;
  
                          return new Promise(function (resolve) {
                              if (!_this4._overlays[name]) {
                                  throw new Error('The overlay does not exist.');
                              } else if (!_this4._active) {
                                  throw new Error('The overlay is currently not active.');
                              } else if (_this4._active !== name) {
                                  throw new Error('Another overlay is currently active.');
                              }
                              _this4._overlays[_this4._active].container.classList.add('hidden');
                              _this4._overlays[_this4._active].element.classList.add('hidden');
                              _this4._active = null;
                              window.removeEventListener('keydown', _this4._keyDownBound);
                              resolve();
                          });
                      }
                  }, {
                      key: '_keyDown',
                      value: function _keyDown(evt) {
                          if (this._active && evt.keyCode === 27) {
                              this._closeThroughCaller();
                              evt.preventDefault();
                          }
                      }
                  }, {
                      key: '_closeThroughCaller',
                      value: function _closeThroughCaller() {
                          if (this._overlays[this._active].callerCloseMethod) {
                              this._overlays[this._active].callerCloseMethod();
                          }
                          if (this._active) {
                              this.close(this._active);
                          }
                      }
                  }, {
                      key: 'active',
                      get: function get() {
                          return this._active;
                      }
                  }]);
  
                  return OverlayManager;
              }();
  
              exports.OverlayManager = OverlayManager;
  
              /***/
  }),
  /* 12 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PasswordPrompt = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdfjsLib = __webpack_require__(3);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var PasswordPrompt = function () {
                  function PasswordPrompt(options, overlayManager) {
                      var _this = this;
  
                      var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;
  
                      _classCallCheck(this, PasswordPrompt);
  
                      this.overlayName = options.overlayName;
                      this.container = options.container;
                      this.label = options.label;
                      this.input = options.input;
                      this.submitButton = options.submitButton;
                      this.cancelButton = options.cancelButton;
                      this.overlayManager = overlayManager;
                      this.l10n = l10n;
                      this.updateCallback = null;
                      this.reason = null;
                      this.submitButton.addEventListener('click', this.verify.bind(this));
                      this.cancelButton.addEventListener('click', this.close.bind(this));
                      this.input.addEventListener('keydown', function (e) {
                          if (e.keyCode === 13) {
                              _this.verify();
                          }
                      });
                      this.overlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
                  }
  
                  _createClass(PasswordPrompt, [{
                      key: 'open',
                      value: function open() {
                          var _this2 = this;
  
                          this.overlayManager.open(this.overlayName).then(function () {
                              _this2.input.focus();
                              var promptString = void 0;
                              if (_this2.reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
                                  promptString = _this2.l10n.get('password_invalid', null, 'Invalid password. Please try again.');
                              } else {
                                  promptString = _this2.l10n.get('password_label', null, 'Enter the password to open this PDF file.');
                              }
                              promptString.then(function (msg) {
                                  _this2.label.textContent = msg;
                              });
                          });
                      }
                  }, {
                      key: 'close',
                      value: function close() {
                          var _this3 = this;
  
                          this.overlayManager.close(this.overlayName).then(function () {
                              _this3.input.value = '';
                          });
                      }
                  }, {
                      key: 'verify',
                      value: function verify() {
                          var password = this.input.value;
                          if (password && password.length > 0) {
                              this.close();
                              return this.updateCallback(password);
                          }
                      }
                  }, {
                      key: 'setUpdateCallback',
                      value: function setUpdateCallback(updateCallback, reason) {
                          this.updateCallback = updateCallback;
                          this.reason = reason;
                      }
                  }]);
  
                  return PasswordPrompt;
              }();
  
              exports.PasswordPrompt = PasswordPrompt;
  
              /***/
  }),
  /* 13 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFAttachmentViewer = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _pdfjsLib = __webpack_require__(3);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var PDFAttachmentViewer = function () {
                  function PDFAttachmentViewer(_ref) {
                      var container = _ref.container,
                          eventBus = _ref.eventBus,
                          downloadManager = _ref.downloadManager;
  
                      _classCallCheck(this, PDFAttachmentViewer);
  
                      this.container = container;
                      this.eventBus = eventBus;
                      this.downloadManager = downloadManager;
                      this.reset();
                      this.eventBus.on('fileattachmentannotation', this._appendAttachment.bind(this));
                  }
  
                  _createClass(PDFAttachmentViewer, [{
                      key: 'reset',
                      value: function reset() {
                          var keepRenderedCapability = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
                          this.attachments = null;
                          this.container.textContent = '';
                          if (!keepRenderedCapability) {
                              this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
                          }
                      }
                  }, {
                      key: '_dispatchEvent',
                      value: function _dispatchEvent(attachmentsCount) {
                          this._renderedCapability.resolve();
                          this.eventBus.dispatch('attachmentsloaded', {
                              source: this,
                              attachmentsCount: attachmentsCount
                          });
                      }
                  }, {
                      key: '_bindPdfLink',
                      value: function _bindPdfLink(button, content, filename) {
                          if (this.downloadManager.disableCreateObjectURL) {
                              throw new Error('bindPdfLink: Unsupported "disableCreateObjectURL" value.');
                          }
                          var blobUrl = void 0;
                          button.onclick = function () {
                              if (!blobUrl) {
                                  blobUrl = (0, _pdfjsLib.createObjectURL)(content, 'application/pdf');
                              }
                              var viewerUrl = void 0;
                              viewerUrl = '?file=' + encodeURIComponent(blobUrl + '#' + filename);
                              window.open(viewerUrl);
                              return false;
                          };
                      }
                  }, {
                      key: '_bindLink',
                      value: function _bindLink(button, content, filename) {
                          var _this = this;
  
                          button.onclick = function () {
                              _this.downloadManager.downloadData(content, filename, '');
                              return false;
                          };
                      }
                  }, {
                      key: 'render',
                      value: function render(_ref2) {
                          var attachments = _ref2.attachments,
                              _ref2$keepRenderedCap = _ref2.keepRenderedCapability,
                              keepRenderedCapability = _ref2$keepRenderedCap === undefined ? false : _ref2$keepRenderedCap;
  
                          var attachmentsCount = 0;
                          if (this.attachments) {
                              this.reset(keepRenderedCapability === true);
                          }
                          this.attachments = attachments || null;
                          if (!attachments) {
                              this._dispatchEvent(attachmentsCount);
                              return;
                          }
                          var names = Object.keys(attachments).sort(function (a, b) {
                              return a.toLowerCase().localeCompare(b.toLowerCase());
                          });
                          attachmentsCount = names.length;
                          for (var i = 0; i < attachmentsCount; i++) {
                              var item = attachments[names[i]];
                              var filename = (0, _pdfjsLib.removeNullCharacters)((0, _pdfjsLib.getFilenameFromUrl)(item.filename));
                              var div = document.createElement('div');
                              div.className = 'attachmentsItem';
                              var button = document.createElement('button');
                              button.textContent = filename;
                              if (/\.pdf$/i.test(filename) && !this.downloadManager.disableCreateObjectURL) {
                                  this._bindPdfLink(button, item.content, filename);
                              } else {
                                  this._bindLink(button, item.content, filename);
                              }
                              div.appendChild(button);
                              this.container.appendChild(div);
                          }
                          this._dispatchEvent(attachmentsCount);
                      }
                  }, {
                      key: '_appendAttachment',
                      value: function _appendAttachment(_ref3) {
                          var _this2 = this;
  
                          var id = _ref3.id,
                              filename = _ref3.filename,
                              content = _ref3.content;
  
                          this._renderedCapability.promise.then(function () {
                              var attachments = _this2.attachments;
                              if (!attachments) {
                                  attachments = Object.create(null);
                              } else {
                                  for (var name in attachments) {
                                      if (id === name) {
                                          return;
                                      }
                                  }
                              }
                              attachments[id] = {
                                  filename: filename,
                                  content: content
                              };
                              _this2.render({
                                  attachments: attachments,
                                  keepRenderedCapability: true
                              });
                          });
                      }
                  }]);
  
                  return PDFAttachmentViewer;
              }();
  
              exports.PDFAttachmentViewer = PDFAttachmentViewer;
  
              /***/
  }),
  /* 14 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFDocumentProperties = undefined;
  
              var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdfjsLib = __webpack_require__(3);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var DEFAULT_FIELD_CONTENT = '-';
              var NON_METRIC_LOCALES = ['en-us', 'en-lr', 'my'];
              var US_PAGE_NAMES = {
                  '8.5x11': 'Letter',
                  '8.5x14': 'Legal'
              };
              var METRIC_PAGE_NAMES = {
                  '297x420': 'A3',
                  '210x297': 'A4'
              };
              function getPageName(size, isPortrait, pageNames) {
                  var width = isPortrait ? size.width : size.height;
                  var height = isPortrait ? size.height : size.width;
                  return pageNames[width + 'x' + height];
              }
  
              var PDFDocumentProperties = function () {
                  function PDFDocumentProperties(_ref, overlayManager, eventBus) {
                      var overlayName = _ref.overlayName,
                          fields = _ref.fields,
                          container = _ref.container,
                          closeButton = _ref.closeButton;
  
                      var _this = this;
  
                      var l10n = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _ui_utils.NullL10n;
  
                      _classCallCheck(this, PDFDocumentProperties);
  
                      this.overlayName = overlayName;
                      this.fields = fields;
                      this.container = container;
                      this.overlayManager = overlayManager;
                      this.l10n = l10n;
                      this._reset();
                      if (closeButton) {
                          closeButton.addEventListener('click', this.close.bind(this));
                      }
                      this.overlayManager.register(this.overlayName, this.container, this.close.bind(this));
                      if (eventBus) {
                          eventBus.on('pagechanging', function (evt) {
                              _this._currentPageNumber = evt.pageNumber;
                          });
                          eventBus.on('rotationchanging', function (evt) {
                              _this._pagesRotation = evt.pagesRotation;
                          });
                      }
                      this._isNonMetricLocale = true;
                      l10n.getLanguage().then(function (locale) {
                          _this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
                      });
                  }
  
                  _createClass(PDFDocumentProperties, [{
                      key: 'open',
                      value: function open() {
                          var _this2 = this;
  
                          var freezeFieldData = function freezeFieldData(data) {
                              Object.defineProperty(_this2, 'fieldData', {
                                  value: Object.freeze(data),
                                  writable: false,
                                  enumerable: true,
                                  configurable: true
                              });
                          };
                          Promise.all([this.overlayManager.open(this.overlayName), this._dataAvailableCapability.promise]).then(function () {
                              var currentPageNumber = _this2._currentPageNumber;
                              var pagesRotation = _this2._pagesRotation;
                              if (_this2.fieldData && currentPageNumber === _this2.fieldData['_currentPageNumber'] && pagesRotation === _this2.fieldData['_pagesRotation']) {
                                  _this2._updateUI();
                                  return;
                              }
                              _this2.pdfDocument.getMetadata().then(function (_ref2) {
                                  var info = _ref2.info,
                                      metadata = _ref2.metadata,
                                      contentDispositionFilename = _ref2.contentDispositionFilename;
  
                                  return Promise.all([info, metadata, contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(_this2.url), _this2._parseFileSize(_this2.maybeFileSize), _this2._parseDate(info.CreationDate), _this2._parseDate(info.ModDate), _this2.pdfDocument.getPage(currentPageNumber).then(function (pdfPage) {
                                      return _this2._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
                                  }), _this2._parseLinearization(info.IsLinearized)]);
                              }).then(function (_ref3) {
                                  var _ref4 = _slicedToArray(_ref3, 8),
                                      info = _ref4[0],
                                      metadata = _ref4[1],
                                      fileName = _ref4[2],
                                      fileSize = _ref4[3],
                                      creationDate = _ref4[4],
                                      modDate = _ref4[5],
                                      pageSize = _ref4[6],
                                      isLinearized = _ref4[7];
  
                                  freezeFieldData({
                                      'fileName': fileName,
                                      'fileSize': fileSize,
                                      'title': info.Title,
                                      'author': info.Author,
                                      'subject': info.Subject,
                                      'keywords': info.Keywords,
                                      'creationDate': creationDate,
                                      'modificationDate': modDate,
                                      'creator': info.Creator,
                                      'producer': info.Producer,
                                      'version': info.PDFFormatVersion,
                                      'pageCount': _this2.pdfDocument.numPages,
                                      'pageSize': pageSize,
                                      'linearized': isLinearized,
                                      '_currentPageNumber': currentPageNumber,
                                      '_pagesRotation': pagesRotation
                                  });
                                  _this2._updateUI();
                                  return _this2.pdfDocument.getDownloadInfo();
                              }).then(function (_ref5) {
                                  var length = _ref5.length;
  
                                  _this2.maybeFileSize = length;
                                  return _this2._parseFileSize(length);
                              }).then(function (fileSize) {
                                  if (fileSize === _this2.fieldData['fileSize']) {
                                      return;
                                  }
                                  var data = Object.assign(Object.create(null), _this2.fieldData);
                                  data['fileSize'] = fileSize;
                                  freezeFieldData(data);
                                  _this2._updateUI();
                              });
                          });
                      }
                  }, {
                      key: 'close',
                      value: function close() {
                          this.overlayManager.close(this.overlayName);
                      }
                  }, {
                      key: 'setDocument',
                      value: function setDocument(pdfDocument, url) {
                          if (this.pdfDocument) {
                              this._reset();
                              this._updateUI(true);
                          }
                          if (!pdfDocument) {
                              return;
                          }
                          this.pdfDocument = pdfDocument;
                          this.url = url;
                          this._dataAvailableCapability.resolve();
                      }
                  }, {
                      key: 'setFileSize',
                      value: function setFileSize(fileSize) {
                          if (Number.isInteger(fileSize) && fileSize > 0) {
                              this.maybeFileSize = fileSize;
                          }
                      }
                  }, {
                      key: '_reset',
                      value: function _reset() {
                          this.pdfDocument = null;
                          this.url = null;
                          this.maybeFileSize = 0;
                          delete this.fieldData;
                          this._dataAvailableCapability = (0, _pdfjsLib.createPromiseCapability)();
                          this._currentPageNumber = 1;
                          this._pagesRotation = 0;
                      }
                  }, {
                      key: '_updateUI',
                      value: function _updateUI() {
                          var reset = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
                          if (reset || !this.fieldData) {
                              for (var id in this.fields) {
                                  this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
                              }
                              return;
                          }
                          if (this.overlayManager.active !== this.overlayName) {
                              return;
                          }
                          for (var _id in this.fields) {
                              var content = this.fieldData[_id];
                              this.fields[_id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
                          }
                      }
                  }, {
                      key: '_parseFileSize',
                      value: function _parseFileSize() {
                          var fileSize = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  
                          var kb = fileSize / 1024;
                          if (!kb) {
                              return Promise.resolve(undefined);
                          } else if (kb < 1024) {
                              return this.l10n.get('document_properties_kb', {
                                  size_kb: (+kb.toPrecision(3)).toLocaleString(),
                                  size_b: fileSize.toLocaleString()
                              }, '{{size_kb}} KB ({{size_b}} bytes)');
                          }
                          return this.l10n.get('document_properties_mb', {
                              size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
                              size_b: fileSize.toLocaleString()
                          }, '{{size_mb}} MB ({{size_b}} bytes)');
                      }
                  }, {
                      key: '_parsePageSize',
                      value: function _parsePageSize(pageSizeInches, pagesRotation) {
                          var _this3 = this;
  
                          if (!pageSizeInches) {
                              return Promise.resolve(undefined);
                          }
                          if (pagesRotation % 180 !== 0) {
                              pageSizeInches = {
                                  width: pageSizeInches.height,
                                  height: pageSizeInches.width
                              };
                          }
                          var isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
                          var sizeInches = {
                              width: Math.round(pageSizeInches.width * 100) / 100,
                              height: Math.round(pageSizeInches.height * 100) / 100
                          };
                          var sizeMillimeters = {
                              width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
                              height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
                          };
                          var pageName = null;
                          var name = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
                          if (!name && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
                              var exactMillimeters = {
                                  width: pageSizeInches.width * 25.4,
                                  height: pageSizeInches.height * 25.4
                              };
                              var intMillimeters = {
                                  width: Math.round(sizeMillimeters.width),
                                  height: Math.round(sizeMillimeters.height)
                              };
                              if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
                                  name = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
                                  if (name) {
                                      sizeInches = {
                                          width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
                                          height: Math.round(intMillimeters.height / 25.4 * 100) / 100
                                      };
                                      sizeMillimeters = intMillimeters;
                                  }
                              }
                          }
                          if (name) {
                              pageName = this.l10n.get('document_properties_page_size_name_' + name.toLowerCase(), null, name);
                          }
                          return Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get('document_properties_page_size_unit_' + (this._isNonMetricLocale ? 'inches' : 'millimeters'), null, this._isNonMetricLocale ? 'in' : 'mm'), pageName, this.l10n.get('document_properties_page_size_orientation_' + (isPortrait ? 'portrait' : 'landscape'), null, isPortrait ? 'portrait' : 'landscape')]).then(function (_ref6) {
                              var _ref7 = _slicedToArray(_ref6, 4),
                                  _ref7$ = _ref7[0],
                                  width = _ref7$.width,
                                  height = _ref7$.height,
                                  unit = _ref7[1],
                                  name = _ref7[2],
                                  orientation = _ref7[3];
  
                              return _this3.l10n.get('document_properties_page_size_dimension_' + (name ? 'name_' : '') + 'string', {
                                  width: width.toLocaleString(),
                                  height: height.toLocaleString(),
                                  unit: unit,
                                  name: name,
                                  orientation: orientation
                              }, '{{width}} × {{height}} {{unit}} (' + (name ? '{{name}}, ' : '') + '{{orientation}})');
                          });
                      }
                  }, {
                      key: '_parseDate',
                      value: function _parseDate(inputDate) {
                          if (!inputDate) {
                              return;
                          }
                          var dateToParse = inputDate;
                          if (dateToParse.substring(0, 2) === 'D:') {
                              dateToParse = dateToParse.substring(2);
                          }
                          var year = parseInt(dateToParse.substring(0, 4), 10);
                          var month = parseInt(dateToParse.substring(4, 6), 10) - 1;
                          var day = parseInt(dateToParse.substring(6, 8), 10);
                          var hours = parseInt(dateToParse.substring(8, 10), 10);
                          var minutes = parseInt(dateToParse.substring(10, 12), 10);
                          var seconds = parseInt(dateToParse.substring(12, 14), 10);
                          var utRel = dateToParse.substring(14, 15);
                          var offsetHours = parseInt(dateToParse.substring(15, 17), 10);
                          var offsetMinutes = parseInt(dateToParse.substring(18, 20), 10);
                          if (utRel === '-') {
                              hours += offsetHours;
                              minutes += offsetMinutes;
                          } else if (utRel === '+') {
                              hours -= offsetHours;
                              minutes -= offsetMinutes;
                          }
                          var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds));
                          var dateString = date.toLocaleDateString();
                          var timeString = date.toLocaleTimeString();
                          return this.l10n.get('document_properties_date_string', {
                              date: dateString,
                              time: timeString
                          }, '{{date}}, {{time}}');
                      }
                  }, {
                      key: '_parseLinearization',
                      value: function _parseLinearization(isLinearized) {
                          return this.l10n.get('document_properties_linearized_' + (isLinearized ? 'yes' : 'no'), null, isLinearized ? 'Yes' : 'No');
                      }
                  }]);
  
                  return PDFDocumentProperties;
              }();
  
              exports.PDFDocumentProperties = PDFDocumentProperties;
  
              /***/
  }),
  /* 15 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFFindBar = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _pdf_find_controller = __webpack_require__(16);
  
              var _ui_utils = __webpack_require__(2);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var PDFFindBar = function () {
                  function PDFFindBar(options) {
                      var _this = this;
  
                      var l10n = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _ui_utils.NullL10n;
  
                      _classCallCheck(this, PDFFindBar);
  
                      this.opened = false;
                      this.bar = options.bar || null;
                      this.toggleButton = options.toggleButton || null;
                      this.findField = options.findField || null;
                      this.highlightAll = options.highlightAllCheckbox || null;
                      this.caseSensitive = options.caseSensitiveCheckbox || null;
                      this.findMsg = options.findMsg || null;
                      this.findResultsCount = options.findResultsCount || null;
                      this.findStatusIcon = options.findStatusIcon || null;
                      this.findPreviousButton = options.findPreviousButton || null;
                      this.findNextButton = options.findNextButton || null;
                      this.findController = options.findController || null;
                      this.eventBus = options.eventBus;
                      this.l10n = l10n;
                      if (this.findController === null) {
                          throw new Error('PDFFindBar cannot be used without a ' + 'PDFFindController instance.');
                      }
                      this.toggleButton.addEventListener('click', function () {
                          _this.toggle();
                      });
                      this.findField.addEventListener('input', function () {
                          _this.dispatchEvent('');
                      });
                      this.bar.addEventListener('keydown', function (e) {
                          switch (e.keyCode) {
                              case 13:
                                  if (e.target === _this.findField) {
                                      _this.dispatchEvent('again', e.shiftKey);
                                  }
                                  break;
                              case 27:
                                  _this.close();
                                  break;
                          }
                      });
                      this.findPreviousButton.addEventListener('click', function () {
                          _this.dispatchEvent('again', true);
                      });
                      this.findNextButton.addEventListener('click', function () {
                          _this.dispatchEvent('again', false);
                      });
                      this.highlightAll.addEventListener('click', function () {
                          _this.dispatchEvent('highlightallchange');
                      });
                      this.caseSensitive.addEventListener('click', function () {
                          _this.dispatchEvent('casesensitivitychange');
                      });
                      this.eventBus.on('resize', this._adjustWidth.bind(this));
                  }
  
                  _createClass(PDFFindBar, [{
                      key: 'reset',
                      value: function reset() {
                          this.updateUIState();
                      }
                  }, {
                      key: 'dispatchEvent',
                      value: function dispatchEvent(type, findPrev) {
                          this.eventBus.dispatch('find', {
                              source: this,
                              type: type,
                              query: this.findField.value,
                              caseSensitive: this.caseSensitive.checked,
                              phraseSearch: true,
                              highlightAll: this.highlightAll.checked,
                              findPrevious: findPrev
                          });
                      }
                  }, {
                      key: 'updateUIState',
                      value: function updateUIState(state, previous, matchCount) {
                          var _this2 = this;
  
                          var notFound = false;
                          var findMsg = '';
                          var status = '';
                          switch (state) {
                              case _pdf_find_controller.FindState.FOUND:
                                  break;
                              case _pdf_find_controller.FindState.PENDING:
                                  status = 'pending';
                                  break;
                              case _pdf_find_controller.FindState.NOT_FOUND:
                                  findMsg = this.l10n.get('find_not_found', null, 'Phrase not found');
                                  notFound = true;
                                  break;
                              case _pdf_find_controller.FindState.WRAPPED:
                                  if (previous) {
                                      findMsg = this.l10n.get('find_reached_top', null, 'Reached top of document, continued from bottom');
                                  } else {
                                      findMsg = this.l10n.get('find_reached_bottom', null, 'Reached end of document, continued from top');
                                  }
                                  break;
                          }
                          if (notFound) {
                              this.findField.classList.add('notFound');
                          } else {
                              this.findField.classList.remove('notFound');
                          }
                          this.findField.setAttribute('data-status', status);
                          Promise.resolve(findMsg).then(function (msg) {
                              _this2.findMsg.textContent = msg;
                              _this2._adjustWidth();
                          });
                          this.updateResultsCount(matchCount);
                      }
                  }, {
                      key: 'updateResultsCount',
                      value: function updateResultsCount(matchCount) {
                          if (!this.findResultsCount) {
                              return;
                          }
                          if (!matchCount) {
                              this.findResultsCount.classList.add('hidden');
                              this.findResultsCount.textContent = '';
                          } else {
                              this.findResultsCount.textContent = matchCount.toLocaleString();
                              this.findResultsCount.classList.remove('hidden');
                          }
                          this._adjustWidth();
                      }
                  }, {
                      key: 'open',
                      value: function open() {
                          if (!this.opened) {
                              this.opened = true;
                              this.toggleButton.classList.add('toggled');
                              this.bar.classList.remove('hidden');
                          }
                          this.findField.select();
                          this.findField.focus();
                          this._adjustWidth();
                      }
                  }, {
                      key: 'close',
                      value: function close() {
                          if (!this.opened) {
                              return;
                          }
                          this.opened = false;
                          this.toggleButton.classList.remove('toggled');
                          this.bar.classList.add('hidden');
                          this.findController.active = false;
                      }
                  }, {
                      key: 'toggle',
                      value: function toggle() {
                          if (this.opened) {
                              this.close();
                          } else {
                              this.open();
                          }
                      }
                  }, {
                      key: '_adjustWidth',
                      value: function _adjustWidth() {
                          if (!this.opened) {
                              return;
                          }
                          this.bar.classList.remove('wrapContainers');
                          var findbarHeight = this.bar.clientHeight;
                          var inputContainerHeight = this.bar.firstElementChild.clientHeight;
                          if (findbarHeight > inputContainerHeight) {
                              this.bar.classList.add('wrapContainers');
                          }
                      }
                  }]);
  
                  return PDFFindBar;
              }();
  
              exports.PDFFindBar = PDFFindBar;
  
              /***/
  }),
  /* 16 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFFindController = exports.FindState = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _pdfjsLib = __webpack_require__(3);
  
              var _dom_events = __webpack_require__(10);
  
              var _ui_utils = __webpack_require__(2);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var FindState = {
                  FOUND: 0,
                  NOT_FOUND: 1,
                  WRAPPED: 2,
                  PENDING: 3
              };
              var FIND_SCROLL_OFFSET_TOP = -50;
              var FIND_SCROLL_OFFSET_LEFT = -400;
              var FIND_TIMEOUT = 250;
              var CHARACTERS_TO_NORMALIZE = {
                  '\u2018': '\'',
                  '\u2019': '\'',
                  '\u201A': '\'',
                  '\u201B': '\'',
                  '\u201C': '"',
                  '\u201D': '"',
                  '\u201E': '"',
                  '\u201F': '"',
                  '\xBC': '1/4',
                  '\xBD': '1/2',
                  '\xBE': '3/4'
              };
  
              var PDFFindController = function () {
                  function PDFFindController(_ref) {
                      var pdfViewer = _ref.pdfViewer,
                          _ref$eventBus = _ref.eventBus,
                          eventBus = _ref$eventBus === undefined ? (0, _dom_events.getGlobalEventBus)() : _ref$eventBus;
  
                      _classCallCheck(this, PDFFindController);
  
                      this.pdfViewer = pdfViewer;
                      this.eventBus = eventBus;
                      this.onUpdateResultsCount = null;
                      this.onUpdateState = null;
                      this.reset();
                      var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
                      this.normalizationRegex = new RegExp('[' + replace + ']', 'g');
                  }
  
                  _createClass(PDFFindController, [{
                      key: 'reset',
                      value: function reset() {
                          var _this = this;
  
                          this.startedTextExtraction = false;
                          this.extractTextPromises = [];
                          this.pendingFindMatches = Object.create(null);
                          this.active = false;
                          this.pageContents = [];
                          this.pageMatches = [];
                          this.pageMatchesLength = null;
                          this.matchCount = 0;
                          this.selected = {
                              pageIdx: -1,
                              matchIdx: -1
                          };
                          this.offset = {
                              pageIdx: null,
                              matchIdx: null
                          };
                          this.pagesToSearch = null;
                          this.resumePageIdx = null;
                          this.state = null;
                          this.dirtyMatch = false;
                          this.findTimeout = null;
                          this._firstPagePromise = new Promise(function (resolve) {
                              var eventBus = _this.eventBus;
                              eventBus.on('pagesinit', function onPagesInit() {
                                  eventBus.off('pagesinit', onPagesInit);
                                  resolve();
                              });
                          });
                      }
                  }, {
                      key: 'executeCommand',
                      value: function executeCommand(cmd, state) {
                          var _this2 = this;
  
                          if (this.state === null || cmd !== 'findagain') {
                              this.dirtyMatch = true;
                          }
                          this.state = state;
                          this._updateUIState(FindState.PENDING);
                          this._firstPagePromise.then(function () {
                              _this2._extractText();
                              clearTimeout(_this2.findTimeout);
                              if (cmd === 'find') {
                                  _this2.findTimeout = setTimeout(_this2._nextMatch.bind(_this2), FIND_TIMEOUT);
                              } else {
                                  _this2._nextMatch();
                              }
                          });
                      }
                  }, {
                      key: 'updateMatchPosition',
                      value: function updateMatchPosition(pageIndex, matchIndex, elements, beginIdx) {
                          if (this.selected.matchIdx === matchIndex && this.selected.pageIdx === pageIndex) {
                              var spot = {
                                  top: FIND_SCROLL_OFFSET_TOP,
                                  left: FIND_SCROLL_OFFSET_LEFT
                              };
                              (0, _ui_utils.scrollIntoView)(elements[beginIdx], spot, true);
                          }
                      }
                  }, {
                      key: '_normalize',
                      value: function _normalize(text) {
                          return text.replace(this.normalizationRegex, function (ch) {
                              return CHARACTERS_TO_NORMALIZE[ch];
                          });
                      }
                  }, {
                      key: '_prepareMatches',
                      value: function _prepareMatches(matchesWithLength, matches, matchesLength) {
                          function isSubTerm(matchesWithLength, currentIndex) {
                              var currentElem = matchesWithLength[currentIndex];
                              var nextElem = matchesWithLength[currentIndex + 1];
                              if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
                                  currentElem.skipped = true;
                                  return true;
                              }
                              for (var i = currentIndex - 1; i >= 0; i--) {
                                  var prevElem = matchesWithLength[i];
                                  if (prevElem.skipped) {
                                      continue;
                                  }
                                  if (prevElem.match + prevElem.matchLength < currentElem.match) {
                                      break;
                                  }
                                  if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
                                      currentElem.skipped = true;
                                      return true;
                                  }
                              }
                              return false;
                          }
                          matchesWithLength.sort(function (a, b) {
                              return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
                          });
                          for (var i = 0, len = matchesWithLength.length; i < len; i++) {
                              if (isSubTerm(matchesWithLength, i)) {
                                  continue;
                              }
                              matches.push(matchesWithLength[i].match);
                              matchesLength.push(matchesWithLength[i].matchLength);
                          }
                      }
                  }, {
                      key: '_calculatePhraseMatch',
                      value: function _calculatePhraseMatch(query, pageIndex, pageContent) {
                          var matches = [];
                          var queryLen = query.length;
                          var matchIdx = -queryLen;
                          while (true) {
                              matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
                              if (matchIdx === -1) {
                                  break;
                              }
                              matches.push(matchIdx);
                          }
                          this.pageMatches[pageIndex] = matches;
                      }
                  }, {
                      key: '_calculateWordMatch',
                      value: function _calculateWordMatch(query, pageIndex, pageContent) {
                          var matchesWithLength = [];
                          var queryArray = query.match(/\S+/g);
                          for (var i = 0, len = queryArray.length; i < len; i++) {
                              var subquery = queryArray[i];
                              var subqueryLen = subquery.length;
                              var matchIdx = -subqueryLen;
                              while (true) {
                                  matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
                                  if (matchIdx === -1) {
                                      break;
                                  }
                                  matchesWithLength.push({
                                      match: matchIdx,
                                      matchLength: subqueryLen,
                                      skipped: false
                                  });
                              }
                          }
                          if (!this.pageMatchesLength) {
                              this.pageMatchesLength = [];
                          }
                          this.pageMatchesLength[pageIndex] = [];
                          this.pageMatches[pageIndex] = [];
                          this._prepareMatches(matchesWithLength, this.pageMatches[pageIndex], this.pageMatchesLength[pageIndex]);
                      }
                  }, {
                      key: '_calculateMatch',
                      value: function _calculateMatch(pageIndex) {
                          var pageContent = this._normalize(this.pageContents[pageIndex]);
                          var query = this._normalize(this.state.query);
                          var caseSensitive = this.state.caseSensitive;
                          var phraseSearch = this.state.phraseSearch;
                          var queryLen = query.length;
                          if (queryLen === 0) {
                              return;
                          }
                          if (!caseSensitive) {
                              pageContent = pageContent.toLowerCase();
                              query = query.toLowerCase();
                          }
                          if (phraseSearch) {
                              this._calculatePhraseMatch(query, pageIndex, pageContent);
                          } else {
                              this._calculateWordMatch(query, pageIndex, pageContent);
                          }
                          this._updatePage(pageIndex);
                          if (this.resumePageIdx === pageIndex) {
                              this.resumePageIdx = null;
                              this._nextPageMatch();
                          }
                          if (this.pageMatches[pageIndex].length > 0) {
                              this.matchCount += this.pageMatches[pageIndex].length;
                              this._updateUIResultsCount();
                          }
                      }
                  }, {
                      key: '_extractText',
                      value: function _extractText() {
                          var _this3 = this;
  
                          if (this.startedTextExtraction) {
                              return;
                          }
                          this.startedTextExtraction = true;
                          this.pageContents.length = 0;
                          var promise = Promise.resolve();
  
                          var _loop = function _loop(i, ii) {
                              var extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
                              _this3.extractTextPromises[i] = extractTextCapability.promise;
                              promise = promise.then(function () {
                                  return _this3.pdfViewer.getPageTextContent(i).then(function (textContent) {
                                      var textItems = textContent.items;
                                      var strBuf = [];
                                      for (var j = 0, jj = textItems.length; j < jj; j++) {
                                          strBuf.push(textItems[j].str);
                                      }
                                      _this3.pageContents[i] = strBuf.join('');
                                      extractTextCapability.resolve(i);
                                  }, function (reason) {
                                      console.error('Unable to get page ' + (i + 1) + ' text content', reason);
                                      _this3.pageContents[i] = '';
                                      extractTextCapability.resolve(i);
                                  });
                              });
                          };
  
                          for (var i = 0, ii = this.pdfViewer.pagesCount; i < ii; i++) {
                              _loop(i, ii);
                          }
                      }
                  }, {
                      key: '_updatePage',
                      value: function _updatePage(index) {
                          if (this.selected.pageIdx === index) {
                              this.pdfViewer.currentPageNumber = index + 1;
                          }
                          var page = this.pdfViewer.getPageView(index);
                          if (page.textLayer) {
                              page.textLayer.updateMatches();
                          }
                      }
                  }, {
                      key: '_nextMatch',
                      value: function _nextMatch() {
                          var _this4 = this;
  
                          var previous = this.state.findPrevious;
                          var currentPageIndex = this.pdfViewer.currentPageNumber - 1;
                          var numPages = this.pdfViewer.pagesCount;
                          this.active = true;
                          if (this.dirtyMatch) {
                              this.dirtyMatch = false;
                              this.selected.pageIdx = this.selected.matchIdx = -1;
                              this.offset.pageIdx = currentPageIndex;
                              this.offset.matchIdx = null;
                              this.hadMatch = false;
                              this.resumePageIdx = null;
                              this.pageMatches = [];
                              this.matchCount = 0;
                              this.pageMatchesLength = null;
                              for (var i = 0; i < numPages; i++) {
                                  this._updatePage(i);
                                  if (!(i in this.pendingFindMatches)) {
                                      this.pendingFindMatches[i] = true;
                                      this.extractTextPromises[i].then(function (pageIdx) {
                                          delete _this4.pendingFindMatches[pageIdx];
                                          _this4._calculateMatch(pageIdx);
                                      });
                                  }
                              }
                          }
                          if (this.state.query === '') {
                              this._updateUIState(FindState.FOUND);
                              return;
                          }
                          if (this.resumePageIdx) {
                              return;
                          }
                          var offset = this.offset;
                          this.pagesToSearch = numPages;
                          if (offset.matchIdx !== null) {
                              var numPageMatches = this.pageMatches[offset.pageIdx].length;
                              if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
                                  this.hadMatch = true;
                                  offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
                                  this._updateMatch(true);
                                  return;
                              }
                              this._advanceOffsetPage(previous);
                          }
                          this._nextPageMatch();
                      }
                  }, {
                      key: '_matchesReady',
                      value: function _matchesReady(matches) {
                          var offset = this.offset;
                          var numMatches = matches.length;
                          var previous = this.state.findPrevious;
                          if (numMatches) {
                              this.hadMatch = true;
                              offset.matchIdx = previous ? numMatches - 1 : 0;
                              this._updateMatch(true);
                              return true;
                          }
                          this._advanceOffsetPage(previous);
                          if (offset.wrapped) {
                              offset.matchIdx = null;
                              if (this.pagesToSearch < 0) {
                                  this._updateMatch(false);
                                  return true;
                              }
                          }
                          return false;
                      }
                  }, {
                      key: '_nextPageMatch',
                      value: function _nextPageMatch() {
                          if (this.resumePageIdx !== null) {
                              console.error('There can only be one pending page.');
                          }
                          var matches = null;
                          do {
                              var pageIdx = this.offset.pageIdx;
                              matches = this.pageMatches[pageIdx];
                              if (!matches) {
                                  this.resumePageIdx = pageIdx;
                                  break;
                              }
                          } while (!this._matchesReady(matches));
                      }
                  }, {
                      key: '_advanceOffsetPage',
                      value: function _advanceOffsetPage(previous) {
                          var offset = this.offset;
                          var numPages = this.extractTextPromises.length;
                          offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
                          offset.matchIdx = null;
                          this.pagesToSearch--;
                          if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
                              offset.pageIdx = previous ? numPages - 1 : 0;
                              offset.wrapped = true;
                          }
                      }
                  }, {
                      key: '_updateMatch',
                      value: function _updateMatch() {
                          var found = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
                          var state = FindState.NOT_FOUND;
                          var wrapped = this.offset.wrapped;
                          this.offset.wrapped = false;
                          if (found) {
                              var previousPage = this.selected.pageIdx;
                              this.selected.pageIdx = this.offset.pageIdx;
                              this.selected.matchIdx = this.offset.matchIdx;
                              state = wrapped ? FindState.WRAPPED : FindState.FOUND;
                              if (previousPage !== -1 && previousPage !== this.selected.pageIdx) {
                                  this._updatePage(previousPage);
                              }
                          }
                          this._updateUIState(state, this.state.findPrevious);
                          if (this.selected.pageIdx !== -1) {
                              this._updatePage(this.selected.pageIdx);
                          }
                      }
                  }, {
                      key: '_updateUIResultsCount',
                      value: function _updateUIResultsCount() {
                          if (this.onUpdateResultsCount) {
                              this.onUpdateResultsCount(this.matchCount);
                          }
                      }
                  }, {
                      key: '_updateUIState',
                      value: function _updateUIState(state, previous) {
                          if (this.onUpdateState) {
                              this.onUpdateState(state, previous, this.matchCount);
                          }
                      }
                  }]);
  
                  return PDFFindController;
              }();
  
              exports.FindState = FindState;
              exports.PDFFindController = PDFFindController;
  
              /***/
  }),
  /* 17 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.isDestArraysEqual = exports.isDestHashesEqual = exports.PDFHistory = undefined;
  
              var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              var _dom_events = __webpack_require__(10);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var HASH_CHANGE_TIMEOUT = 1000;
              var POSITION_UPDATED_THRESHOLD = 50;
              var UPDATE_VIEWAREA_TIMEOUT = 1000;
              function getCurrentHash() {
                  return document.location.hash;
              }
              function parseCurrentHash(linkService) {
                  var hash = unescape(getCurrentHash()).substring(1);
                  var params = (0, _ui_utils.parseQueryString)(hash);
                  var page = params.page | 0;
                  if (!(Number.isInteger(page) && page > 0 && page <= linkService.pagesCount)) {
                      page = null;
                  }
                  return {
                      hash: hash,
                      page: page,
                      rotation: linkService.rotation
                  };
              }
  
              var PDFHistory = function () {
                  function PDFHistory(_ref) {
                      var _this = this;
  
                      var linkService = _ref.linkService,
                          eventBus = _ref.eventBus;
  
                      _classCallCheck(this, PDFHistory);
  
                      this.linkService = linkService;
                      this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
                      this.initialized = false;
                      this.initialBookmark = null;
                      this.initialRotation = null;
                      this._boundEvents = Object.create(null);
                      this._isViewerInPresentationMode = false;
                      this._isPagesLoaded = false;
                      this.eventBus.on('presentationmodechanged', function (evt) {
                          _this._isViewerInPresentationMode = evt.active || evt.switchInProgress;
                      });
                      this.eventBus.on('pagesloaded', function (evt) {
                          _this._isPagesLoaded = !!evt.pagesCount;
                      });
                  }
  
                  _createClass(PDFHistory, [{
                      key: 'initialize',
                      value: function initialize(fingerprint) {
                          var resetHistory = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
                          if (!fingerprint || typeof fingerprint !== 'string') {
                              console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
                              return;
                          }
                          var reInitialized = this.initialized && this.fingerprint !== fingerprint;
                          this.fingerprint = fingerprint;
                          if (!this.initialized) {
                              this._bindEvents();
                          }
                          var state = window.history.state;
                          this.initialized = true;
                          this.initialBookmark = null;
                          this.initialRotation = null;
                          this._popStateInProgress = false;
                          this._blockHashChange = 0;
                          this._currentHash = getCurrentHash();
                          this._numPositionUpdates = 0;
                          this._uid = this._maxUid = 0;
                          this._destination = null;
                          this._position = null;
                          if (!this._isValidState(state) || resetHistory) {
                              var _parseCurrentHash = parseCurrentHash(this.linkService),
                                  hash = _parseCurrentHash.hash,
                                  page = _parseCurrentHash.page,
                                  rotation = _parseCurrentHash.rotation;
  
                              if (!hash || reInitialized || resetHistory) {
                                  this._pushOrReplaceState(null, true);
                                  return;
                              }
                              this._pushOrReplaceState({
                                  hash: hash,
                                  page: page,
                                  rotation: rotation
                              }, true);
                              return;
                          }
                          var destination = state.destination;
                          this._updateInternalState(destination, state.uid, true);
                          if (this._uid > this._maxUid) {
                              this._maxUid = this._uid;
                          }
                          if (destination.rotation !== undefined) {
                              this.initialRotation = destination.rotation;
                          }
                          if (destination.dest) {
                              this.initialBookmark = JSON.stringify(destination.dest);
                              this._destination.page = null;
                          } else if (destination.hash) {
                              this.initialBookmark = destination.hash;
                          } else if (destination.page) {
                              this.initialBookmark = 'page=' + destination.page;
                          }
                      }
                  }, {
                      key: 'push',
                      value: function push(_ref2) {
                          var _this2 = this;
  
                          var namedDest = _ref2.namedDest,
                              explicitDest = _ref2.explicitDest,
                              pageNumber = _ref2.pageNumber;
  
                          if (!this.initialized) {
                              return;
                          }
                          if (namedDest && typeof namedDest !== 'string' || !Array.isArray(explicitDest) || !(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
                              console.error('PDFHistory.push: Invalid parameters.');
                              return;
                          }
                          var hash = namedDest || JSON.stringify(explicitDest);
                          if (!hash) {
                              return;
                          }
                          var forceReplace = false;
                          if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
                              if (this._destination.page) {
                                  return;
                              }
                              forceReplace = true;
                          }
                          if (this._popStateInProgress && !forceReplace) {
                              return;
                          }
                          this._pushOrReplaceState({
                              dest: explicitDest,
                              hash: hash,
                              page: pageNumber,
                              rotation: this.linkService.rotation
                          }, forceReplace);
                          if (!this._popStateInProgress) {
                              this._popStateInProgress = true;
                              Promise.resolve().then(function () {
                                  _this2._popStateInProgress = false;
                              });
                          }
                      }
                  }, {
                      key: 'pushCurrentPosition',
                      value: function pushCurrentPosition() {
                          if (!this.initialized || this._popStateInProgress) {
                              return;
                          }
                          this._tryPushCurrentPosition();
                      }
                  }, {
                      key: 'back',
                      value: function back() {
                          if (!this.initialized || this._popStateInProgress) {
                              return;
                          }
                          var state = window.history.state;
                          if (this._isValidState(state) && state.uid > 0) {
                              window.history.back();
                          }
                      }
                  }, {
                      key: 'forward',
                      value: function forward() {
                          if (!this.initialized || this._popStateInProgress) {
                              return;
                          }
                          var state = window.history.state;
                          if (this._isValidState(state) && state.uid < this._maxUid) {
                              window.history.forward();
                          }
                      }
                  }, {
                      key: '_pushOrReplaceState',
                      value: function _pushOrReplaceState(destination) {
                          var forceReplace = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
                          var shouldReplace = forceReplace || !this._destination;
                          var newState = {
                              fingerprint: this.fingerprint,
                              uid: shouldReplace ? this._uid : this._uid + 1,
                              destination: destination
                          };
                          this._updateInternalState(destination, newState.uid);
                          if (shouldReplace) {
                              window.history.replaceState(newState, '');
                          } else {
                              this._maxUid = this._uid;
                              window.history.pushState(newState, '');
                          }
                      }
                  }, {
                      key: '_tryPushCurrentPosition',
                      value: function _tryPushCurrentPosition() {
                          var temporary = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
                          if (!this._position) {
                              return;
                          }
                          var position = this._position;
                          if (temporary) {
                              position = Object.assign(Object.create(null), this._position);
                              position.temporary = true;
                          }
                          if (!this._destination) {
                              this._pushOrReplaceState(position);
                              return;
                          }
                          if (this._destination.temporary) {
                              this._pushOrReplaceState(position, true);
                              return;
                          }
                          if (this._destination.hash === position.hash) {
                              return;
                          }
                          if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
                              return;
                          }
                          var forceReplace = false;
                          if (this._destination.page === position.first || this._destination.page === position.page) {
                              if (this._destination.dest || !this._destination.first) {
                                  return;
                              }
                              forceReplace = true;
                          }
                          this._pushOrReplaceState(position, forceReplace);
                      }
                  }, {
                      key: '_isValidState',
                      value: function _isValidState(state) {
                          if (!state) {
                              return false;
                          }
                          if (state.fingerprint !== this.fingerprint) {
                              return false;
                          }
                          if (!Number.isInteger(state.uid) || state.uid < 0) {
                              return false;
                          }
                          if (state.destination === null || _typeof(state.destination) !== 'object') {
                              return false;
                          }
                          return true;
                      }
                  }, {
                      key: '_updateInternalState',
                      value: function _updateInternalState(destination, uid) {
                          var removeTemporary = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  
                          if (this._updateViewareaTimeout) {
                              clearTimeout(this._updateViewareaTimeout);
                              this._updateViewareaTimeout = null;
                          }
                          if (removeTemporary && destination && destination.temporary) {
                              delete destination.temporary;
                          }
                          this._destination = destination;
                          this._uid = uid;
                          this._numPositionUpdates = 0;
                      }
                  }, {
                      key: '_updateViewarea',
                      value: function _updateViewarea(_ref3) {
                          var _this3 = this;
  
                          var location = _ref3.location;
  
                          if (this._updateViewareaTimeout) {
                              clearTimeout(this._updateViewareaTimeout);
                              this._updateViewareaTimeout = null;
                          }
                          this._position = {
                              hash: this._isViewerInPresentationMode ? 'page=' + location.pageNumber : location.pdfOpenParams.substring(1),
                              page: this.linkService.page,
                              first: location.pageNumber,
                              rotation: location.rotation
                          };
                          if (this._popStateInProgress) {
                              return;
                          }
                          if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
                              this._numPositionUpdates++;
                          }
                          if (UPDATE_VIEWAREA_TIMEOUT > 0) {
                              this._updateViewareaTimeout = setTimeout(function () {
                                  if (!_this3._popStateInProgress) {
                                      _this3._tryPushCurrentPosition(true);
                                  }
                                  _this3._updateViewareaTimeout = null;
                              }, UPDATE_VIEWAREA_TIMEOUT);
                          }
                      }
                  }, {
                      key: '_popState',
                      value: function _popState(_ref4) {
                          var _this4 = this;
  
                          var state = _ref4.state;
  
                          var newHash = getCurrentHash(),
                              hashChanged = this._currentHash !== newHash;
                          this._currentHash = newHash;
                          if (!state || false) {
                              this._uid++;
  
                              var _parseCurrentHash2 = parseCurrentHash(this.linkService),
                                  hash = _parseCurrentHash2.hash,
                                  page = _parseCurrentHash2.page,
                                  rotation = _parseCurrentHash2.rotation;
  
                              this._pushOrReplaceState({
                                  hash: hash,
                                  page: page,
                                  rotation: rotation
                              }, true);
                              return;
                          }
                          if (!this._isValidState(state)) {
                              return;
                          }
                          this._popStateInProgress = true;
                          if (hashChanged) {
                              this._blockHashChange++;
                              (0, _ui_utils.waitOnEventOrTimeout)({
                                  target: window,
                                  name: 'hashchange',
                                  delay: HASH_CHANGE_TIMEOUT
                              }).then(function () {
                                  _this4._blockHashChange--;
                              });
                          }
                          var destination = state.destination;
                          this._updateInternalState(destination, state.uid, true);
                          if (this._uid > this._maxUid) {
                              this._maxUid = this._uid;
                          }
                          if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
                              this.linkService.rotation = destination.rotation;
                          }
                          if (destination.dest) {
                              this.linkService.navigateTo(destination.dest);
                          } else if (destination.hash) {
                              this.linkService.setHash(destination.hash);
                          } else if (destination.page) {
                              this.linkService.page = destination.page;
                          }
                          Promise.resolve().then(function () {
                              _this4._popStateInProgress = false;
                          });
                      }
                  }, {
                      key: '_bindEvents',
                      value: function _bindEvents() {
                          var _this5 = this;
  
                          var _boundEvents = this._boundEvents,
                              eventBus = this.eventBus;
  
                          _boundEvents.updateViewarea = this._updateViewarea.bind(this);
                          _boundEvents.popState = this._popState.bind(this);
                          _boundEvents.pageHide = function (evt) {
                              if (!_this5._destination || _this5._destination.temporary) {
                                  _this5._tryPushCurrentPosition();
                              }
                          };
                          eventBus.on('updateviewarea', _boundEvents.updateViewarea);
                          window.addEventListener('popstate', _boundEvents.popState);
                          window.addEventListener('pagehide', _boundEvents.pageHide);
                      }
                  }, {
                      key: 'popStateInProgress',
                      get: function get() {
                          return this.initialized && (this._popStateInProgress || this._blockHashChange > 0);
                      }
                  }]);
  
                  return PDFHistory;
              }();
  
              function isDestHashesEqual(destHash, pushHash) {
                  if (typeof destHash !== 'string' || typeof pushHash !== 'string') {
                      return false;
                  }
                  if (destHash === pushHash) {
                      return true;
                  }
  
                  var _parseQueryString = (0, _ui_utils.parseQueryString)(destHash),
                      nameddest = _parseQueryString.nameddest;
  
                  if (nameddest === pushHash) {
                      return true;
                  }
                  return false;
              }
              function isDestArraysEqual(firstDest, secondDest) {
                  function isEntryEqual(first, second) {
                      if ((typeof first === 'undefined' ? 'undefined' : _typeof(first)) !== (typeof second === 'undefined' ? 'undefined' : _typeof(second))) {
                          return false;
                      }
                      if (Array.isArray(first) || Array.isArray(second)) {
                          return false;
                      }
                      if (first !== null && (typeof first === 'undefined' ? 'undefined' : _typeof(first)) === 'object' && second !== null) {
                          if (Object.keys(first).length !== Object.keys(second).length) {
                              return false;
                          }
                          for (var key in first) {
                              if (!isEntryEqual(first[key], second[key])) {
                                  return false;
                              }
                          }
                          return true;
                      }
                      return first === second || Number.isNaN(first) && Number.isNaN(second);
                  }
                  if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
                      return false;
                  }
                  if (firstDest.length !== secondDest.length) {
                      return false;
                  }
                  for (var i = 0, ii = firstDest.length; i < ii; i++) {
                      if (!isEntryEqual(firstDest[i], secondDest[i])) {
                          return false;
                      }
                  }
                  return true;
              }
              exports.PDFHistory = PDFHistory;
              exports.isDestHashesEqual = isDestHashesEqual;
              exports.isDestArraysEqual = isDestArraysEqual;
  
              /***/
  }),
  /* 18 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.SimpleLinkService = exports.PDFLinkService = undefined;
  
              var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _dom_events = __webpack_require__(10);
  
              var _ui_utils = __webpack_require__(2);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var PDFLinkService = function () {
                  function PDFLinkService() {
                      var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
                          eventBus = _ref.eventBus,
                          _ref$externalLinkTarg = _ref.externalLinkTarget,
                          externalLinkTarget = _ref$externalLinkTarg === undefined ? null : _ref$externalLinkTarg,
                          _ref$externalLinkRel = _ref.externalLinkRel,
                          externalLinkRel = _ref$externalLinkRel === undefined ? null : _ref$externalLinkRel;
  
                      _classCallCheck(this, PDFLinkService);
  
                      this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
                      this.externalLinkTarget = externalLinkTarget;
                      this.externalLinkRel = externalLinkRel;
                      this.baseUrl = null;
                      this.pdfDocument = null;
                      this.pdfViewer = null;
                      this.pdfHistory = null;
                      this._pagesRefCache = null;
                  }
  
                  _createClass(PDFLinkService, [{
                      key: 'setDocument',
                      value: function setDocument(pdfDocument, baseUrl) {
                          this.baseUrl = baseUrl;
                          this.pdfDocument = pdfDocument;
                          this._pagesRefCache = Object.create(null);
                      }
                  }, {
                      key: 'setViewer',
                      value: function setViewer(pdfViewer) {
                          this.pdfViewer = pdfViewer;
                      }
                  }, {
                      key: 'setHistory',
                      value: function setHistory(pdfHistory) {
                          this.pdfHistory = pdfHistory;
                      }
                  }, {
                      key: 'navigateTo',
                      value: function navigateTo(dest) {
                          var _this = this;
  
                          var goToDestination = function goToDestination(_ref2) {
                              var namedDest = _ref2.namedDest,
                                  explicitDest = _ref2.explicitDest;
  
                              var destRef = explicitDest[0],
                                  pageNumber = void 0;
                              if (destRef instanceof Object) {
                                  pageNumber = _this._cachedPageNumber(destRef);
                                  if (pageNumber === null) {
                                      _this.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
                                          _this.cachePageRef(pageIndex + 1, destRef);
                                          goToDestination({
                                              namedDest: namedDest,
                                              explicitDest: explicitDest
                                          });
                                      }).catch(function () {
                                          console.error('PDFLinkService.navigateTo: "' + destRef + '" is not ' + ('a valid page reference, for dest="' + dest + '".'));
                                      });
                                      return;
                                  }
                              } else if (Number.isInteger(destRef)) {
                                  pageNumber = destRef + 1;
                              } else {
                                  console.error('PDFLinkService.navigateTo: "' + destRef + '" is not ' + ('a valid destination reference, for dest="' + dest + '".'));
                                  return;
                              }
                              if (!pageNumber || pageNumber < 1 || pageNumber > _this.pagesCount) {
                                  console.error('PDFLinkService.navigateTo: "' + pageNumber + '" is not ' + ('a valid page number, for dest="' + dest + '".'));
                                  return;
                              }
                              if (_this.pdfHistory) {
                                  _this.pdfHistory.pushCurrentPosition();
                                  _this.pdfHistory.push({
                                      namedDest: namedDest,
                                      explicitDest: explicitDest,
                                      pageNumber: pageNumber
                                  });
                              }
                              _this.pdfViewer.scrollPageIntoView({
                                  pageNumber: pageNumber,
                                  destArray: explicitDest
                              });
                          };
                          new Promise(function (resolve, reject) {
                              if (typeof dest === 'string') {
                                  _this.pdfDocument.getDestination(dest).then(function (destArray) {
                                      resolve({
                                          namedDest: dest,
                                          explicitDest: destArray
                                      });
                                  });
                                  return;
                              }
                              resolve({
                                  namedDest: '',
                                  explicitDest: dest
                              });
                          }).then(function (data) {
                              if (!Array.isArray(data.explicitDest)) {
                                  console.error('PDFLinkService.navigateTo: "' + data.explicitDest + '" is' + (' not a valid destination array, for dest="' + dest + '".'));
                                  return;
                              }
                              goToDestination(data);
                          });
                      }
                  }, {
                      key: 'getDestinationHash',
                      value: function getDestinationHash(dest) {
                          if (typeof dest === 'string') {
                              return this.getAnchorUrl('#' + escape(dest));
                          }
                          if (Array.isArray(dest)) {
                              var str = JSON.stringify(dest);
                              return this.getAnchorUrl('#' + escape(str));
                          }
                          return this.getAnchorUrl('');
                      }
                  }, {
                      key: 'getAnchorUrl',
                      value: function getAnchorUrl(anchor) {
                          return (this.baseUrl || '') + anchor;
                      }
                  }, {
                      key: 'setHash',
                      value: function setHash(hash) {
                          var pageNumber = void 0,
                              dest = void 0;
                          if (hash.includes('=')) {
                              var params = (0, _ui_utils.parseQueryString)(hash);
                              if ('search' in params) {
                                  this.eventBus.dispatch('findfromurlhash', {
                                      source: this,
                                      query: params['search'].replace(/"/g, ''),
                                      phraseSearch: params['phrase'] === 'true'
                                  });
                              }
                              if ('nameddest' in params) {
                                  this.navigateTo(params.nameddest);
                                  return;
                              }
                              if ('page' in params) {
                                  pageNumber = params.page | 0 || 1;
                              }
                              if ('zoom' in params) {
                                  var zoomArgs = params.zoom.split(',');
                                  var zoomArg = zoomArgs[0];
                                  var zoomArgNumber = parseFloat(zoomArg);
                                  if (!zoomArg.includes('Fit')) {
                                      dest = [null, { name: 'XYZ' }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
                                  } else {
                                      if (zoomArg === 'Fit' || zoomArg === 'FitB') {
                                          dest = [null, { name: zoomArg }];
                                      } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || zoomArg === 'FitV' || zoomArg === 'FitBV') {
                                          dest = [null, { name: zoomArg }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
                                      } else if (zoomArg === 'FitR') {
                                          if (zoomArgs.length !== 5) {
                                              console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
                                          } else {
                                              dest = [null, { name: zoomArg }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
                                          }
                                      } else {
                                          console.error('PDFLinkService.setHash: "' + zoomArg + '" is not ' + 'a valid zoom value.');
                                      }
                                  }
                              }
                              if (dest) {
                                  this.pdfViewer.scrollPageIntoView({
                                      pageNumber: pageNumber || this.page,
                                      destArray: dest,
                                      allowNegativeOffset: true
                                  });
                              } else if (pageNumber) {
                                  this.page = pageNumber;
                              }
                              if ('pagemode' in params) {
                                  this.eventBus.dispatch('pagemode', {
                                      source: this,
                                      mode: params.pagemode
                                  });
                              }
                          } else {
                              dest = unescape(hash);
                              try {
                                  dest = JSON.parse(dest);
                                  if (!Array.isArray(dest)) {
                                      dest = dest.toString();
                                  }
                              } catch (ex) { }
                              if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
                                  this.navigateTo(dest);
                                  return;
                              }
                              console.error('PDFLinkService.setHash: "' + unescape(hash) + '" is not ' + 'a valid destination.');
                          }
                      }
                  }, {
                      key: 'executeNamedAction',
                      value: function executeNamedAction(action) {
                          switch (action) {
                              case 'GoBack':
                                  if (this.pdfHistory) {
                                      this.pdfHistory.back();
                                  }
                                  break;
                              case 'GoForward':
                                  if (this.pdfHistory) {
                                      this.pdfHistory.forward();
                                  }
                                  break;
                              case 'NextPage':
                                  if (this.page < this.pagesCount) {
                                      this.page++;
                                  }
                                  break;
                              case 'PrevPage':
                                  if (this.page > 1) {
                                      this.page--;
                                  }
                                  break;
                              case 'LastPage':
                                  this.page = this.pagesCount;
                                  break;
                              case 'FirstPage':
                                  this.page = 1;
                                  break;
                              default:
                                  break;
                          }
                          this.eventBus.dispatch('namedaction', {
                              source: this,
                              action: action
                          });
                      }
                  }, {
                      key: 'onFileAttachmentAnnotation',
                      value: function onFileAttachmentAnnotation(_ref3) {
                          var id = _ref3.id,
                              filename = _ref3.filename,
                              content = _ref3.content;
  
                          this.eventBus.dispatch('fileattachmentannotation', {
                              source: this,
                              id: id,
                              filename: filename,
                              content: content
                          });
                      }
                  }, {
                      key: 'cachePageRef',
                      value: function cachePageRef(pageNum, pageRef) {
                          if (!pageRef) {
                              return;
                          }
                          var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
                          this._pagesRefCache[refStr] = pageNum;
                      }
                  }, {
                      key: '_cachedPageNumber',
                      value: function _cachedPageNumber(pageRef) {
                          var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
                          return this._pagesRefCache && this._pagesRefCache[refStr] || null;
                      }
                  }, {
                      key: 'pagesCount',
                      get: function get() {
                          return this.pdfDocument ? this.pdfDocument.numPages : 0;
                      }
                  }, {
                      key: 'page',
                      get: function get() {
                          return this.pdfViewer.currentPageNumber;
                      },
                      set: function set(value) {
                          this.pdfViewer.currentPageNumber = value;
                      }
                  }, {
                      key: 'rotation',
                      get: function get() {
                          return this.pdfViewer.pagesRotation;
                      },
                      set: function set(value) {
                          this.pdfViewer.pagesRotation = value;
                      }
                  }]);
  
                  return PDFLinkService;
              }();
  
              function isValidExplicitDestination(dest) {
                  if (!Array.isArray(dest)) {
                      return false;
                  }
                  var destLength = dest.length,
                      allowNull = true;
                  if (destLength < 2) {
                      return false;
                  }
                  var page = dest[0];
                  if (!((typeof page === 'undefined' ? 'undefined' : _typeof(page)) === 'object' && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
                      return false;
                  }
                  var zoom = dest[1];
                  if (!((typeof zoom === 'undefined' ? 'undefined' : _typeof(zoom)) === 'object' && typeof zoom.name === 'string')) {
                      return false;
                  }
                  switch (zoom.name) {
                      case 'XYZ':
                          if (destLength !== 5) {
                              return false;
                          }
                          break;
                      case 'Fit':
                      case 'FitB':
                          return destLength === 2;
                      case 'FitH':
                      case 'FitBH':
                      case 'FitV':
                      case 'FitBV':
                          if (destLength !== 3) {
                              return false;
                          }
                          break;
                      case 'FitR':
                          if (destLength !== 6) {
                              return false;
                          }
                          allowNull = false;
                          break;
                      default:
                          return false;
                  }
                  for (var i = 2; i < destLength; i++) {
                      var param = dest[i];
                      if (!(typeof param === 'number' || allowNull && param === null)) {
                          return false;
                      }
                  }
                  return true;
              }
  
              var SimpleLinkService = function () {
                  function SimpleLinkService() {
                      _classCallCheck(this, SimpleLinkService);
  
                      this.externalLinkTarget = null;
                      this.externalLinkRel = null;
                  }
  
                  _createClass(SimpleLinkService, [{
                      key: 'navigateTo',
                      value: function navigateTo(dest) { }
                  }, {
                      key: 'getDestinationHash',
                      value: function getDestinationHash(dest) {
                          return '#';
                      }
                  }, {
                      key: 'getAnchorUrl',
                      value: function getAnchorUrl(hash) {
                          return '#';
                      }
                  }, {
                      key: 'setHash',
                      value: function setHash(hash) { }
                  }, {
                      key: 'executeNamedAction',
                      value: function executeNamedAction(action) { }
                  }, {
                      key: 'onFileAttachmentAnnotation',
                      value: function onFileAttachmentAnnotation(_ref4) {
                          var id = _ref4.id,
                              filename = _ref4.filename,
                              content = _ref4.content;
                      }
                  }, {
                      key: 'cachePageRef',
                      value: function cachePageRef(pageNum, pageRef) { }
                  }, {
                      key: 'page',
                      get: function get() {
                          return 0;
                      },
                      set: function set(value) { }
                  }, {
                      key: 'rotation',
                      get: function get() {
                          return 0;
                      },
                      set: function set(value) { }
                  }]);
  
                  return SimpleLinkService;
              }();
  
              exports.PDFLinkService = PDFLinkService;
              exports.SimpleLinkService = SimpleLinkService;
  
              /***/
  }),
  /* 19 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFOutlineViewer = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _pdfjsLib = __webpack_require__(3);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var DEFAULT_TITLE = '\u2013';
  
              var PDFOutlineViewer = function () {
                  function PDFOutlineViewer(_ref) {
                      var container = _ref.container,
                          linkService = _ref.linkService,
                          eventBus = _ref.eventBus;
  
                      _classCallCheck(this, PDFOutlineViewer);
  
                      this.container = container;
                      this.linkService = linkService;
                      this.eventBus = eventBus;
                      this.reset();
                  }
  
                  _createClass(PDFOutlineViewer, [{
                      key: 'reset',
                      value: function reset() {
                          this.outline = null;
                          this.lastToggleIsShow = true;
                          this.container.textContent = '';
                          this.container.classList.remove('outlineWithDeepNesting');
                      }
                  }, {
                      key: '_dispatchEvent',
                      value: function _dispatchEvent(outlineCount) {
                          this.eventBus.dispatch('outlineloaded', {
                              source: this,
                              outlineCount: outlineCount
                          });
                      }
                  }, {
                      key: '_bindLink',
                      value: function _bindLink(element, _ref2) {
                          var url = _ref2.url,
                              newWindow = _ref2.newWindow,
                              dest = _ref2.dest;
                          var linkService = this.linkService;
  
                          if (url) {
                              (0, _pdfjsLib.addLinkAttributes)(element, {
                                  url: url,
                                  target: newWindow ? _pdfjsLib.LinkTarget.BLANK : linkService.externalLinkTarget,
                                  rel: linkService.externalLinkRel
                              });
                              return;
                          }
                          element.href = linkService.getDestinationHash(dest);
                          element.onclick = function () {
                              if (dest) {
                                  linkService.navigateTo(dest);
                              }
                              return false;
                          };
                      }
                  }, {
                      key: '_setStyles',
                      value: function _setStyles(element, _ref3) {
                          var bold = _ref3.bold,
                              italic = _ref3.italic;
  
                          var styleStr = '';
                          if (bold) {
                              styleStr += 'font-weight: bold;';
                          }
                          if (italic) {
                              styleStr += 'font-style: italic;';
                          }
                          if (styleStr) {
                              element.setAttribute('style', styleStr);
                          }
                      }
                  }, {
                      key: '_addToggleButton',
                      value: function _addToggleButton(div) {
                          var _this = this;
  
                          var toggler = document.createElement('div');
                          toggler.className = 'outlineItemToggler';
                          toggler.onclick = function (evt) {
                              evt.stopPropagation();
                              toggler.classList.toggle('outlineItemsHidden');
                              if (evt.shiftKey) {
                                  var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
                                  _this._toggleOutlineItem(div, shouldShowAll);
                              }
                          };
                          div.insertBefore(toggler, div.firstChild);
                      }
                  }, {
                      key: '_toggleOutlineItem',
                      value: function _toggleOutlineItem(root, show) {
                          this.lastToggleIsShow = show;
                          var togglers = root.querySelectorAll('.outlineItemToggler');
                          for (var i = 0, ii = togglers.length; i < ii; ++i) {
                              togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
                          }
                      }
                  }, {
                      key: 'toggleOutlineTree',
                      value: function toggleOutlineTree() {
                          if (!this.outline) {
                              return;
                          }
                          this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
                      }
                  }, {
                      key: 'render',
                      value: function render(_ref4) {
                          var outline = _ref4.outline;
  
                          var outlineCount = 0;
                          if (this.outline) {
                              this.reset();
                          }
                          this.outline = outline || null;
                          if (!outline) {
                              this._dispatchEvent(outlineCount);
                              return;
                          }
                          var fragment = document.createDocumentFragment();
                          var queue = [{
                              parent: fragment,
                              items: this.outline
                          }];
                          var hasAnyNesting = false;
                          while (queue.length > 0) {
                              var levelData = queue.shift();
                              for (var i = 0, len = levelData.items.length; i < len; i++) {
                                  var item = levelData.items[i];
                                  var div = document.createElement('div');
                                  div.className = 'outlineItem';
                                  var element = document.createElement('a');
                                  this._bindLink(element, item);
                                  this._setStyles(element, item);
                                  element.textContent = (0, _pdfjsLib.removeNullCharacters)(item.title) || DEFAULT_TITLE;
                                  div.appendChild(element);
                                  if (item.items.length > 0) {
                                      hasAnyNesting = true;
                                      this._addToggleButton(div);
                                      var itemsDiv = document.createElement('div');
                                      itemsDiv.className = 'outlineItems';
                                      div.appendChild(itemsDiv);
                                      queue.push({
                                          parent: itemsDiv,
                                          items: item.items
                                      });
                                  }
                                  levelData.parent.appendChild(div);
                                  outlineCount++;
                              }
                          }
                          if (hasAnyNesting) {
                              this.container.classList.add('outlineWithDeepNesting');
                          }
                          this.container.appendChild(fragment);
                          this._dispatchEvent(outlineCount);
                      }
                  }]);
  
                  return PDFOutlineViewer;
              }();
  
              exports.PDFOutlineViewer = PDFOutlineViewer;
  
              /***/
  }),
  /* 20 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFPresentationMode = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
              var DELAY_BEFORE_HIDING_CONTROLS = 3000;
              var ACTIVE_SELECTOR = 'pdfPresentationMode';
              var CONTROLS_SELECTOR = 'pdfPresentationModeControls';
              var MOUSE_SCROLL_COOLDOWN_TIME = 50;
              var PAGE_SWITCH_THRESHOLD = 0.1;
              var SWIPE_MIN_DISTANCE_THRESHOLD = 50;
              var SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
  
              var PDFPresentationMode = function () {
                  function PDFPresentationMode(_ref) {
                      var _this = this;
  
                      var container = _ref.container,
                          _ref$viewer = _ref.viewer,
                          viewer = _ref$viewer === undefined ? null : _ref$viewer,
                          pdfViewer = _ref.pdfViewer,
                          eventBus = _ref.eventBus,
                          _ref$contextMenuItems = _ref.contextMenuItems,
                          contextMenuItems = _ref$contextMenuItems === undefined ? null : _ref$contextMenuItems;
  
                      _classCallCheck(this, PDFPresentationMode);
  
                      this.container = container;
                      this.viewer = viewer || container.firstElementChild;
                      this.pdfViewer = pdfViewer;
                      this.eventBus = eventBus;
                      this.active = false;
                      this.args = null;
                      this.contextMenuOpen = false;
                      this.mouseScrollTimeStamp = 0;
                      this.mouseScrollDelta = 0;
                      this.touchSwipeState = null;
                      if (contextMenuItems) {
                          contextMenuItems.contextFirstPage.addEventListener('click', function () {
                              _this.contextMenuOpen = false;
                              _this.eventBus.dispatch('firstpage');
                          });
                          contextMenuItems.contextLastPage.addEventListener('click', function () {
                              _this.contextMenuOpen = false;
                              _this.eventBus.dispatch('lastpage');
                          });
                          contextMenuItems.contextPageRotateCw.addEventListener('click', function () {
                              _this.contextMenuOpen = false;
                              _this.eventBus.dispatch('rotatecw');
                          });
                          contextMenuItems.contextPageRotateCcw.addEventListener('click', function () {
                              _this.contextMenuOpen = false;
                              _this.eventBus.dispatch('rotateccw');
                          });
                      }
                  }
  
                  _createClass(PDFPresentationMode, [{
                      key: 'request',
                      value: function request() {
                          if (this.switchInProgress || this.active || !this.viewer.hasChildNodes()) {
                              return false;
                          }
                          this._addFullscreenChangeListeners();
                          this._setSwitchInProgress();
                          this._notifyStateChange();
                          if (this.container.requestFullscreen) {
                              this.container.requestFullscreen();
                          } else if (this.container.mozRequestFullScreen) {
                              this.container.mozRequestFullScreen();
                          } else if (this.container.webkitRequestFullscreen) {
                              this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
                          } else if (this.container.msRequestFullscreen) {
                              this.container.msRequestFullscreen();
                          } else {
                              return false;
                          }
                          this.args = {
                              page: this.pdfViewer.currentPageNumber,
                              previousScale: this.pdfViewer.currentScaleValue
                          };
                          return true;
                      }
                  }, {
                      key: '_mouseWheel',
                      value: function _mouseWheel(evt) {
                          if (!this.active) {
                              return;
                          }
                          evt.preventDefault();
                          var delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
                          var currentTime = new Date().getTime();
                          var storedTime = this.mouseScrollTimeStamp;
                          if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
                              return;
                          }
                          if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
                              this._resetMouseScrollState();
                          }
                          this.mouseScrollDelta += delta;
                          if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
                              var totalDelta = this.mouseScrollDelta;
                              this._resetMouseScrollState();
                              var success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage();
                              if (success) {
                                  this.mouseScrollTimeStamp = currentTime;
                              }
                          }
                      }
                  }, {
                      key: '_goToPreviousPage',
                      value: function _goToPreviousPage() {
                          var page = this.pdfViewer.currentPageNumber;
                          if (page <= 1) {
                              return false;
                          }
                          this.pdfViewer.currentPageNumber = page - 1;
                          return true;
                      }
                  }, {
                      key: '_goToNextPage',
                      value: function _goToNextPage() {
                          var page = this.pdfViewer.currentPageNumber;
                          if (page >= this.pdfViewer.pagesCount) {
                              return false;
                          }
                          this.pdfViewer.currentPageNumber = page + 1;
                          return true;
                      }
                  }, {
                      key: '_notifyStateChange',
                      value: function _notifyStateChange() {
                          this.eventBus.dispatch('presentationmodechanged', {
                              source: this,
                              active: this.active,
                              switchInProgress: !!this.switchInProgress
                          });
                      }
                  }, {
                      key: '_setSwitchInProgress',
                      value: function _setSwitchInProgress() {
                          var _this2 = this;
  
                          if (this.switchInProgress) {
                              clearTimeout(this.switchInProgress);
                          }
                          this.switchInProgress = setTimeout(function () {
                              _this2._removeFullscreenChangeListeners();
                              delete _this2.switchInProgress;
                              _this2._notifyStateChange();
                          }, DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
                      }
                  }, {
                      key: '_resetSwitchInProgress',
                      value: function _resetSwitchInProgress() {
                          if (this.switchInProgress) {
                              clearTimeout(this.switchInProgress);
                              delete this.switchInProgress;
                          }
                      }
                  }, {
                      key: '_enter',
                      value: function _enter() {
                          var _this3 = this;
  
                          this.active = true;
                          this._resetSwitchInProgress();
                          this._notifyStateChange();
                          this.container.classList.add(ACTIVE_SELECTOR);
                          setTimeout(function () {
                              _this3.pdfViewer.currentPageNumber = _this3.args.page;
                              _this3.pdfViewer.currentScaleValue = 'page-fit';
                          }, 0);
                          this._addWindowListeners();
                          this._showControls();
                          this.contextMenuOpen = false;
                          this.container.setAttribute('contextmenu', 'viewerContextMenu');
                          window.getSelection().removeAllRanges();
                      }
                  }, {
                      key: '_exit',
                      value: function _exit() {
                          var _this4 = this;
  
                          var page = this.pdfViewer.currentPageNumber;
                          this.container.classList.remove(ACTIVE_SELECTOR);
                          setTimeout(function () {
                              _this4.active = false;
                              _this4._removeFullscreenChangeListeners();
                              _this4._notifyStateChange();
                              _this4.pdfViewer.currentScaleValue = _this4.args.previousScale;
                              _this4.pdfViewer.currentPageNumber = page;
                              _this4.args = null;
                          }, 0);
                          this._removeWindowListeners();
                          this._hideControls();
                          this._resetMouseScrollState();
                          this.container.removeAttribute('contextmenu');
                          this.contextMenuOpen = false;
                      }
                  }, {
                      key: '_mouseDown',
                      value: function _mouseDown(evt) {
                          if (this.contextMenuOpen) {
                              this.contextMenuOpen = false;
                              evt.preventDefault();
                              return;
                          }
                          if (evt.button === 0) {
                              var isInternalLink = evt.target.href && evt.target.classList.contains('internalLink');
                              if (!isInternalLink) {
                                  evt.preventDefault();
                                  if (evt.shiftKey) {
                                      this._goToPreviousPage();
                                  } else {
                                      this._goToNextPage();
                                  }
                              }
                          }
                      }
                  }, {
                      key: '_contextMenu',
                      value: function _contextMenu() {
                          this.contextMenuOpen = true;
                      }
                  }, {
                      key: '_showControls',
                      value: function _showControls() {
                          var _this5 = this;
  
                          if (this.controlsTimeout) {
                              clearTimeout(this.controlsTimeout);
                          } else {
                              this.container.classList.add(CONTROLS_SELECTOR);
                          }
                          this.controlsTimeout = setTimeout(function () {
                              _this5.container.classList.remove(CONTROLS_SELECTOR);
                              delete _this5.controlsTimeout;
                          }, DELAY_BEFORE_HIDING_CONTROLS);
                      }
                  }, {
                      key: '_hideControls',
                      value: function _hideControls() {
                          if (!this.controlsTimeout) {
                              return;
                          }
                          clearTimeout(this.controlsTimeout);
                          this.container.classList.remove(CONTROLS_SELECTOR);
                          delete this.controlsTimeout;
                      }
                  }, {
                      key: '_resetMouseScrollState',
                      value: function _resetMouseScrollState() {
                          this.mouseScrollTimeStamp = 0;
                          this.mouseScrollDelta = 0;
                      }
                  }, {
                      key: '_touchSwipe',
                      value: function _touchSwipe(evt) {
                          if (!this.active) {
                              return;
                          }
                          if (evt.touches.length > 1) {
                              this.touchSwipeState = null;
                              return;
                          }
                          switch (evt.type) {
                              case 'touchstart':
                                  this.touchSwipeState = {
                                      startX: evt.touches[0].pageX,
                                      startY: evt.touches[0].pageY,
                                      endX: evt.touches[0].pageX,
                                      endY: evt.touches[0].pageY
                                  };
                                  break;
                              case 'touchmove':
                                  if (this.touchSwipeState === null) {
                                      return;
                                  }
                                  this.touchSwipeState.endX = evt.touches[0].pageX;
                                  this.touchSwipeState.endY = evt.touches[0].pageY;
                                  evt.preventDefault();
                                  break;
                              case 'touchend':
                                  if (this.touchSwipeState === null) {
                                      return;
                                  }
                                  var delta = 0;
                                  var dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
                                  var dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
                                  var absAngle = Math.abs(Math.atan2(dy, dx));
                                  if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
                                      delta = dx;
                                  } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
                                      delta = dy;
                                  }
                                  if (delta > 0) {
                                      this._goToPreviousPage();
                                  } else if (delta < 0) {
                                      this._goToNextPage();
                                  }
                                  break;
                          }
                      }
                  }, {
                      key: '_addWindowListeners',
                      value: function _addWindowListeners() {
                          this.showControlsBind = this._showControls.bind(this);
                          this.mouseDownBind = this._mouseDown.bind(this);
                          this.mouseWheelBind = this._mouseWheel.bind(this);
                          this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
                          this.contextMenuBind = this._contextMenu.bind(this);
                          this.touchSwipeBind = this._touchSwipe.bind(this);
                          window.addEventListener('mousemove', this.showControlsBind);
                          window.addEventListener('mousedown', this.mouseDownBind);
                          window.addEventListener('wheel', this.mouseWheelBind);
                          window.addEventListener('keydown', this.resetMouseScrollStateBind);
                          window.addEventListener('contextmenu', this.contextMenuBind);
                          window.addEventListener('touchstart', this.touchSwipeBind);
                          window.addEventListener('touchmove', this.touchSwipeBind);
                          window.addEventListener('touchend', this.touchSwipeBind);
                      }
                  }, {
                      key: '_removeWindowListeners',
                      value: function _removeWindowListeners() {
                          window.removeEventListener('mousemove', this.showControlsBind);
                          window.removeEventListener('mousedown', this.mouseDownBind);
                          window.removeEventListener('wheel', this.mouseWheelBind);
                          window.removeEventListener('keydown', this.resetMouseScrollStateBind);
                          window.removeEventListener('contextmenu', this.contextMenuBind);
                          window.removeEventListener('touchstart', this.touchSwipeBind);
                          window.removeEventListener('touchmove', this.touchSwipeBind);
                          window.removeEventListener('touchend', this.touchSwipeBind);
                          delete this.showControlsBind;
                          delete this.mouseDownBind;
                          delete this.mouseWheelBind;
                          delete this.resetMouseScrollStateBind;
                          delete this.contextMenuBind;
                          delete this.touchSwipeBind;
                      }
                  }, {
                      key: '_fullscreenChange',
                      value: function _fullscreenChange() {
                          if (this.isFullscreen) {
                              this._enter();
                          } else {
                              this._exit();
                          }
                      }
                  }, {
                      key: '_addFullscreenChangeListeners',
                      value: function _addFullscreenChangeListeners() {
                          this.fullscreenChangeBind = this._fullscreenChange.bind(this);
                          window.addEventListener('fullscreenchange', this.fullscreenChangeBind);
                          window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind);
                          window.addEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
                          window.addEventListener('MSFullscreenChange', this.fullscreenChangeBind);
                      }
                  }, {
                      key: '_removeFullscreenChangeListeners',
                      value: function _removeFullscreenChangeListeners() {
                          window.removeEventListener('fullscreenchange', this.fullscreenChangeBind);
                          window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind);
                          window.removeEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
                          window.removeEventListener('MSFullscreenChange', this.fullscreenChangeBind);
                          delete this.fullscreenChangeBind;
                      }
                  }, {
                      key: 'isFullscreen',
                      get: function get() {
                          return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
                      }
                  }]);
  
                  return PDFPresentationMode;
              }();
  
              exports.PDFPresentationMode = PDFPresentationMode;
  
              /***/
  }),
  /* 21 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFSidebarResizer = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var SIDEBAR_WIDTH_VAR = '--sidebar-width';
              var SIDEBAR_MIN_WIDTH = 200;
              var SIDEBAR_RESIZING_CLASS = 'sidebarResizing';
  
              var PDFSidebarResizer = function () {
                  function PDFSidebarResizer(options, eventBus) {
                      var _this = this;
  
                      var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;
  
                      _classCallCheck(this, PDFSidebarResizer);
  
                      this.enabled = false;
                      this.isRTL = false;
                      this.sidebarOpen = false;
                      this.doc = document.documentElement;
                      this._width = null;
                      this._outerContainerWidth = null;
                      this._boundEvents = Object.create(null);
                      this.outerContainer = options.outerContainer;
                      this.resizer = options.resizer;
                      this.eventBus = eventBus;
                      this.l10n = l10n;
                      if (typeof CSS === 'undefined' || typeof CSS.supports !== 'function' || !CSS.supports(SIDEBAR_WIDTH_VAR, 'calc(-1 * ' + SIDEBAR_MIN_WIDTH + 'px)')) {
                          console.warn('PDFSidebarResizer: ' + 'The browser does not support resizing of the sidebar.');
                          return;
                      }
                      this.enabled = true;
                      this.resizer.classList.remove('hidden');
                      this.l10n.getDirection().then(function (dir) {
                          _this.isRTL = dir === 'rtl';
                      });
                      this._addEventListeners();
                  }
  
                  _createClass(PDFSidebarResizer, [{
                      key: '_updateWidth',
                      value: function _updateWidth() {
                          var width = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  
                          if (!this.enabled) {
                              return false;
                          }
                          var maxWidth = Math.floor(this.outerContainerWidth / 2);
                          if (width > maxWidth) {
                              width = maxWidth;
                          }
                          if (width < SIDEBAR_MIN_WIDTH) {
                              width = SIDEBAR_MIN_WIDTH;
                          }
                          if (width === this._width) {
                              return false;
                          }
                          this._width = width;
                          this.doc.style.setProperty(SIDEBAR_WIDTH_VAR, width + 'px');
                          return true;
                      }
                  }, {
                      key: '_mouseMove',
                      value: function _mouseMove(evt) {
                          var width = evt.clientX;
                          if (this.isRTL) {
                              width = this.outerContainerWidth - width;
                          }
                          this._updateWidth(width);
                      }
                  }, {
                      key: '_mouseUp',
                      value: function _mouseUp(evt) {
                          this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
                          this.eventBus.dispatch('resize', { source: this });
                          var _boundEvents = this._boundEvents;
                          window.removeEventListener('mousemove', _boundEvents.mouseMove);
                          window.removeEventListener('mouseup', _boundEvents.mouseUp);
                      }
                  }, {
                      key: '_addEventListeners',
                      value: function _addEventListeners() {
                          var _this2 = this;
  
                          if (!this.enabled) {
                              return;
                          }
                          var _boundEvents = this._boundEvents;
                          _boundEvents.mouseMove = this._mouseMove.bind(this);
                          _boundEvents.mouseUp = this._mouseUp.bind(this);
                          this.resizer.addEventListener('mousedown', function (evt) {
                              if (evt.button !== 0) {
                                  return;
                              }
                              _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
                              window.addEventListener('mousemove', _boundEvents.mouseMove);
                              window.addEventListener('mouseup', _boundEvents.mouseUp);
                          });
                          this.eventBus.on('sidebarviewchanged', function (evt) {
                              _this2.sidebarOpen = !!(evt && evt.view);
                          });
                          this.eventBus.on('resize', function (evt) {
                              if (evt && evt.source === window) {
                                  _this2._outerContainerWidth = null;
                                  if (_this2._width) {
                                      if (_this2.sidebarOpen) {
                                          _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
                                          var updated = _this2._updateWidth(_this2._width);
                                          Promise.resolve().then(function () {
                                              _this2.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
                                              if (updated) {
                                                  _this2.eventBus.dispatch('resize', { source: _this2 });
                                              }
                                          });
                                      } else {
                                          _this2._updateWidth(_this2._width);
                                      }
                                  }
                              }
                          });
                      }
                  }, {
                      key: 'outerContainerWidth',
                      get: function get() {
                          if (!this._outerContainerWidth) {
                              this._outerContainerWidth = this.outerContainer.clientWidth;
                          }
                          return this._outerContainerWidth;
                      }
                  }]);
  
                  return PDFSidebarResizer;
              }();
  
              exports.PDFSidebarResizer = PDFSidebarResizer;
  
              /***/
  }),
  /* 22 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFThumbnailViewer = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdf_thumbnail_view = __webpack_require__(23);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var THUMBNAIL_SCROLL_MARGIN = -19;
              var THUMBNAIL_SELECTED_CLASS = 'selected';
  
              var PDFThumbnailViewer = function () {
                  function PDFThumbnailViewer(_ref) {
                      var container = _ref.container,
                          linkService = _ref.linkService,
                          renderingQueue = _ref.renderingQueue,
                          _ref$l10n = _ref.l10n,
                          l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;
  
                      _classCallCheck(this, PDFThumbnailViewer);
  
                      this.container = container;
                      this.linkService = linkService;
                      this.renderingQueue = renderingQueue;
                      this.l10n = l10n;
                      this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this));
                      this._resetView();
                  }
  
                  _createClass(PDFThumbnailViewer, [{
                      key: '_scrollUpdated',
                      value: function _scrollUpdated() {
                          this.renderingQueue.renderHighestPriority();
                      }
                  }, {
                      key: 'getThumbnail',
                      value: function getThumbnail(index) {
                          return this._thumbnails[index];
                      }
                  }, {
                      key: '_getVisibleThumbs',
                      value: function _getVisibleThumbs() {
                          return (0, _ui_utils.getVisibleElements)(this.container, this._thumbnails);
                      }
                  }, {
                      key: 'scrollThumbnailIntoView',
                      value: function scrollThumbnailIntoView(pageNumber) {
                          if (!this.pdfDocument) {
                              return;
                          }
                          var thumbnailView = this._thumbnails[pageNumber - 1];
                          if (!thumbnailView) {
                              console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
                              return;
                          }
                          if (pageNumber !== this._currentPageNumber) {
                              var prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
                              prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
                              thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
                          }
                          var visibleThumbs = this._getVisibleThumbs();
                          var numVisibleThumbs = visibleThumbs.views.length;
                          if (numVisibleThumbs > 0) {
                              var first = visibleThumbs.first.id;
                              var last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
                              var shouldScroll = false;
                              if (pageNumber <= first || pageNumber >= last) {
                                  shouldScroll = true;
                              } else {
                                  visibleThumbs.views.some(function (view) {
                                      if (view.id !== pageNumber) {
                                          return false;
                                      }
                                      shouldScroll = view.percent < 100;
                                      return true;
                                  });
                              }
                              if (shouldScroll) {
                                  (0, _ui_utils.scrollIntoView)(thumbnailView.div, { top: THUMBNAIL_SCROLL_MARGIN });
                              }
                          }
                          this._currentPageNumber = pageNumber;
                      }
                  }, {
                      key: 'cleanup',
                      value: function cleanup() {
                          _pdf_thumbnail_view.PDFThumbnailView.cleanup();
                      }
                  }, {
                      key: '_resetView',
                      value: function _resetView() {
                          this._thumbnails = [];
                          this._currentPageNumber = 1;
                          this._pageLabels = null;
                          this._pagesRotation = 0;
                          this._pagesRequests = [];
                          this.container.textContent = '';
                      }
                  }, {
                      key: 'setDocument',
                      value: function setDocument(pdfDocument) {
                          var _this = this;
  
                          if (this.pdfDocument) {
                              this._cancelRendering();
                              this._resetView();
                          }
                          this.pdfDocument = pdfDocument;
                          if (!pdfDocument) {
                              return;
                          }
                          pdfDocument.getPage(1).then(function (firstPage) {
                              var pagesCount = pdfDocument.numPages;
                              var viewport = firstPage.getViewport(1.0);
                              for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
                                  var thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
                                      container: _this.container,
                                      id: pageNum,
                                      defaultViewport: viewport.clone(),
                                      linkService: _this.linkService,
                                      renderingQueue: _this.renderingQueue,
                                      disableCanvasToImageConversion: false,
                                      l10n: _this.l10n
                                  });
                                  _this._thumbnails.push(thumbnail);
                              }
                              var thumbnailView = _this._thumbnails[_this._currentPageNumber - 1];
                              thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
                          }).catch(function (reason) {
                              console.error('Unable to initialize thumbnail viewer', reason);
                          });
                      }
                  }, {
                      key: '_cancelRendering',
                      value: function _cancelRendering() {
                          for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
                              if (this._thumbnails[i]) {
                                  this._thumbnails[i].cancelRendering();
                              }
                          }
                      }
                  }, {
                      key: 'setPageLabels',
                      value: function setPageLabels(labels) {
                          if (!this.pdfDocument) {
                              return;
                          }
                          if (!labels) {
                              this._pageLabels = null;
                          } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
                              this._pageLabels = null;
                              console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.');
                          } else {
                              this._pageLabels = labels;
                          }
                          for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
                              var label = this._pageLabels && this._pageLabels[i];
                              this._thumbnails[i].setPageLabel(label);
                          }
                      }
                  }, {
                      key: '_ensurePdfPageLoaded',
                      value: function _ensurePdfPageLoaded(thumbView) {
                          var _this2 = this;
  
                          if (thumbView.pdfPage) {
                              return Promise.resolve(thumbView.pdfPage);
                          }
                          var pageNumber = thumbView.id;
                          if (this._pagesRequests[pageNumber]) {
                              return this._pagesRequests[pageNumber];
                          }
                          var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
                              thumbView.setPdfPage(pdfPage);
                              _this2._pagesRequests[pageNumber] = null;
                              return pdfPage;
                          }).catch(function (reason) {
                              console.error('Unable to get page for thumb view', reason);
                              _this2._pagesRequests[pageNumber] = null;
                          });
                          this._pagesRequests[pageNumber] = promise;
                          return promise;
                      }
                  }, {
                      key: 'forceRendering',
                      value: function forceRendering() {
                          var _this3 = this;
  
                          var visibleThumbs = this._getVisibleThumbs();
                          var thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, this.scroll.down);
                          if (thumbView) {
                              this._ensurePdfPageLoaded(thumbView).then(function () {
                                  _this3.renderingQueue.renderView(thumbView);
                              });
                              return true;
                          }
                          return false;
                      }
                  }, {
                      key: 'pagesRotation',
                      get: function get() {
                          return this._pagesRotation;
                      },
                      set: function set(rotation) {
                          if (!(0, _ui_utils.isValidRotation)(rotation)) {
                              throw new Error('Invalid thumbnails rotation angle.');
                          }
                          if (!this.pdfDocument) {
                              return;
                          }
                          if (this._pagesRotation === rotation) {
                              return;
                          }
                          this._pagesRotation = rotation;
                          for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
                              this._thumbnails[i].update(rotation);
                          }
                      }
                  }]);
  
                  return PDFThumbnailViewer;
              }();
  
              exports.PDFThumbnailViewer = PDFThumbnailViewer;
  
              /***/
  }),
  /* 23 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFThumbnailView = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _pdfjsLib = __webpack_require__(3);
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdf_rendering_queue = __webpack_require__(6);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var MAX_NUM_SCALING_STEPS = 3;
              var THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
              var THUMBNAIL_WIDTH = 98;
              var TempImageFactory = function TempImageFactoryClosure() {
                  var tempCanvasCache = null;
                  return {
                      getCanvas: function getCanvas(width, height) {
                          var tempCanvas = tempCanvasCache;
                          if (!tempCanvas) {
                              tempCanvas = document.createElement('canvas');
                              tempCanvasCache = tempCanvas;
                          }
                          tempCanvas.width = width;
                          tempCanvas.height = height;
                          tempCanvas.mozOpaque = true;
                          var ctx = tempCanvas.getContext('2d', { alpha: false });
                          ctx.save();
                          ctx.fillStyle = 'rgb(255, 255, 255)';
                          ctx.fillRect(0, 0, width, height);
                          ctx.restore();
                          return tempCanvas;
                      },
                      destroyCanvas: function destroyCanvas() {
                          var tempCanvas = tempCanvasCache;
                          if (tempCanvas) {
                              tempCanvas.width = 0;
                              tempCanvas.height = 0;
                          }
                          tempCanvasCache = null;
                      }
                  };
              }();
  
              var PDFThumbnailView = function () {
                  function PDFThumbnailView(_ref) {
                      var container = _ref.container,
                          id = _ref.id,
                          defaultViewport = _ref.defaultViewport,
                          linkService = _ref.linkService,
                          renderingQueue = _ref.renderingQueue,
                          _ref$disableCanvasToI = _ref.disableCanvasToImageConversion,
                          disableCanvasToImageConversion = _ref$disableCanvasToI === undefined ? false : _ref$disableCanvasToI,
                          _ref$l10n = _ref.l10n,
                          l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;
  
                      _classCallCheck(this, PDFThumbnailView);
  
                      this.id = id;
                      this.renderingId = 'thumbnail' + id;
                      this.pageLabel = null;
                      this.pdfPage = null;
                      this.rotation = 0;
                      this.viewport = defaultViewport;
                      this.pdfPageRotate = defaultViewport.rotation;
                      this.linkService = linkService;
                      this.renderingQueue = renderingQueue;
                      this.renderTask = null;
                      this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
                      this.resume = null;
                      this.disableCanvasToImageConversion = disableCanvasToImageConversion;
                      this.pageWidth = this.viewport.width;
                      this.pageHeight = this.viewport.height;
                      this.pageRatio = this.pageWidth / this.pageHeight;
                      this.canvasWidth = THUMBNAIL_WIDTH;
                      this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
                      this.scale = this.canvasWidth / this.pageWidth;
                      this.l10n = l10n;
                      var anchor = document.createElement('a');
                      anchor.href = linkService.getAnchorUrl('#page=' + id);
                      this.l10n.get('thumb_page_title', { page: id }, 'Page {{page}}').then(function (msg) {
                          anchor.title = msg;
                      });
                      anchor.onclick = function () {
                          linkService.page = id;
                          return false;
                      };
                      this.anchor = anchor;
                      var div = document.createElement('div');
                      div.className = 'thumbnail';
                      div.setAttribute('data-page-number', this.id);
                      this.div = div;
                      var ring = document.createElement('div');
                      ring.className = 'thumbnailSelectionRing';
                      var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
                      ring.style.width = this.canvasWidth + borderAdjustment + 'px';
                      ring.style.height = this.canvasHeight + borderAdjustment + 'px';
                      this.ring = ring;
                      div.appendChild(ring);
                      anchor.appendChild(div);
                      container.appendChild(anchor);
                  }
  
                  _createClass(PDFThumbnailView, [{
                      key: 'setPdfPage',
                      value: function setPdfPage(pdfPage) {
                          this.pdfPage = pdfPage;
                          this.pdfPageRotate = pdfPage.rotate;
                          var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
                          this.viewport = pdfPage.getViewport(1, totalRotation);
                          this.reset();
                      }
                  }, {
                      key: 'reset',
                      value: function reset() {
                          this.cancelRendering();
                          this.pageWidth = this.viewport.width;
                          this.pageHeight = this.viewport.height;
                          this.pageRatio = this.pageWidth / this.pageHeight;
                          this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
                          this.scale = this.canvasWidth / this.pageWidth;
                          this.div.removeAttribute('data-loaded');
                          var ring = this.ring;
                          var childNodes = ring.childNodes;
                          for (var i = childNodes.length - 1; i >= 0; i--) {
                              ring.removeChild(childNodes[i]);
                          }
                          var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
                          ring.style.width = this.canvasWidth + borderAdjustment + 'px';
                          ring.style.height = this.canvasHeight + borderAdjustment + 'px';
                          if (this.canvas) {
                              this.canvas.width = 0;
                              this.canvas.height = 0;
                              delete this.canvas;
                          }
                          if (this.image) {
                              this.image.removeAttribute('src');
                              delete this.image;
                          }
                      }
                  }, {
                      key: 'update',
                      value: function update(rotation) {
                          if (typeof rotation !== 'undefined') {
                              this.rotation = rotation;
                          }
                          var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
                          this.viewport = this.viewport.clone({
                              scale: 1,
                              rotation: totalRotation
                          });
                          this.reset();
                      }
                  }, {
                      key: 'cancelRendering',
                      value: function cancelRendering() {
                          if (this.renderTask) {
                              this.renderTask.cancel();
                              this.renderTask = null;
                          }
                          this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
                          this.resume = null;
                      }
                  }, {
                      key: '_getPageDrawContext',
                      value: function _getPageDrawContext() {
                          var noCtxScale = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
                          var canvas = document.createElement('canvas');
                          this.canvas = canvas;
                          canvas.mozOpaque = true;
                          var ctx = canvas.getContext('2d', { alpha: false });
                          var outputScale = (0, _ui_utils.getOutputScale)(ctx);
                          canvas.width = this.canvasWidth * outputScale.sx | 0;
                          canvas.height = this.canvasHeight * outputScale.sy | 0;
                          canvas.style.width = this.canvasWidth + 'px';
                          canvas.style.height = this.canvasHeight + 'px';
                          if (!noCtxScale && outputScale.scaled) {
                              ctx.scale(outputScale.sx, outputScale.sy);
                          }
                          return ctx;
                      }
                  }, {
                      key: '_convertCanvasToImage',
                      value: function _convertCanvasToImage() {
                          var _this = this;
  
                          if (!this.canvas) {
                              return;
                          }
                          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                              return;
                          }
                          var id = this.renderingId;
                          var className = 'thumbnailImage';
                          if (this.disableCanvasToImageConversion) {
                              this.canvas.id = id;
                              this.canvas.className = className;
                              this.l10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}').then(function (msg) {
                                  _this.canvas.setAttribute('aria-label', msg);
                              });
                              this.div.setAttribute('data-loaded', true);
                              this.ring.appendChild(this.canvas);
                              return;
                          }
                          var image = document.createElement('img');
                          image.id = id;
                          image.className = className;
                          this.l10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}').then(function (msg) {
                              image.setAttribute('aria-label', msg);
                          });
                          image.style.width = this.canvasWidth + 'px';
                          image.style.height = this.canvasHeight + 'px';
                          image.src = this.canvas.toDataURL();
                          this.image = image;
                          this.div.setAttribute('data-loaded', true);
                          this.ring.appendChild(image);
                          this.canvas.width = 0;
                          this.canvas.height = 0;
                          delete this.canvas;
                      }
                  }, {
                      key: 'draw',
                      value: function draw() {
                          var _this2 = this;
  
                          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                              console.error('Must be in new state before drawing');
                              return Promise.resolve(undefined);
                          }
                          this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                          var renderCapability = (0, _pdfjsLib.createPromiseCapability)();
                          var finishRenderTask = function finishRenderTask(error) {
                              if (renderTask === _this2.renderTask) {
                                  _this2.renderTask = null;
                              }
                              if (error instanceof _pdfjsLib.RenderingCancelledException) {
                                  renderCapability.resolve(undefined);
                                  return;
                              }
                              _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                              _this2._convertCanvasToImage();
                              if (!error) {
                                  renderCapability.resolve(undefined);
                              } else {
                                  renderCapability.reject(error);
                              }
                          };
                          var ctx = this._getPageDrawContext();
                          var drawViewport = this.viewport.clone({ scale: this.scale });
                          var renderContinueCallback = function renderContinueCallback(cont) {
                              if (!_this2.renderingQueue.isHighestPriority(_this2)) {
                                  _this2.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
                                  _this2.resume = function () {
                                      _this2.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                                      cont();
                                  };
                                  return;
                              }
                              cont();
                          };
                          var renderContext = {
                              canvasContext: ctx,
                              viewport: drawViewport
                          };
                          var renderTask = this.renderTask = this.pdfPage.render(renderContext);
                          renderTask.onContinue = renderContinueCallback;
                          renderTask.promise.then(function () {
                              finishRenderTask(null);
                          }, function (error) {
                              finishRenderTask(error);
                          });
                          return renderCapability.promise;
                      }
                  }, {
                      key: 'setImage',
                      value: function setImage(pageView) {
                          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                              return;
                          }
                          var img = pageView.canvas;
                          if (!img) {
                              return;
                          }
                          if (!this.pdfPage) {
                              this.setPdfPage(pageView.pdfPage);
                          }
                          this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                          var ctx = this._getPageDrawContext(true);
                          var canvas = ctx.canvas;
                          if (img.width <= 2 * canvas.width) {
                              ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
                              this._convertCanvasToImage();
                              return;
                          }
                          var reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
                          var reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
                          var reducedImage = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
                          var reducedImageCtx = reducedImage.getContext('2d');
                          while (reducedWidth > img.width || reducedHeight > img.height) {
                              reducedWidth >>= 1;
                              reducedHeight >>= 1;
                          }
                          reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
                          while (reducedWidth > 2 * canvas.width) {
                              reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
                              reducedWidth >>= 1;
                              reducedHeight >>= 1;
                          }
                          ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
                          this._convertCanvasToImage();
                      }
                  }, {
                      key: 'setPageLabel',
                      value: function setPageLabel(label) {
                          var _this3 = this;
  
                          this.pageLabel = typeof label === 'string' ? label : null;
                          this.l10n.get('thumb_page_title', { page: this.pageId }, 'Page {{page}}').then(function (msg) {
                              _this3.anchor.title = msg;
                          });
                          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                              return;
                          }
                          this.l10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}').then(function (ariaLabel) {
                              if (_this3.image) {
                                  _this3.image.setAttribute('aria-label', ariaLabel);
                              } else if (_this3.disableCanvasToImageConversion && _this3.canvas) {
                                  _this3.canvas.setAttribute('aria-label', ariaLabel);
                              }
                          });
                      }
                  }, {
                      key: 'pageId',
                      get: function get() {
                          return this.pageLabel !== null ? this.pageLabel : this.id;
                      }
                  }], [{
                      key: 'cleanup',
                      value: function cleanup() {
                          TempImageFactory.destroyCanvas();
                      }
                  }]);
  
                  return PDFThumbnailView;
              }();
  
              exports.PDFThumbnailView = PDFThumbnailView;
  
              /***/
  }),
  /* 24 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFViewer = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _base_viewer = __webpack_require__(25);
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdfjsLib = __webpack_require__(3);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
              function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
              var PDFViewer = function (_BaseViewer) {
                  _inherits(PDFViewer, _BaseViewer);
  
                  function PDFViewer() {
                      _classCallCheck(this, PDFViewer);
  
                      return _possibleConstructorReturn(this, (PDFViewer.__proto__ || Object.getPrototypeOf(PDFViewer)).apply(this, arguments));
                  }
  
                  _createClass(PDFViewer, [{
                      key: '_scrollIntoView',
                      value: function _scrollIntoView(_ref) {
                          var pageDiv = _ref.pageDiv,
                              _ref$pageSpot = _ref.pageSpot,
                              pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot;
  
                          if (!pageSpot && !this.isInPresentationMode) {
                              var left = pageDiv.offsetLeft + pageDiv.clientLeft;
                              var right = left + pageDiv.clientWidth;
                              var _container = this.container,
                                  scrollLeft = _container.scrollLeft,
                                  clientWidth = _container.clientWidth;
  
                              if (this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) {
                                  pageSpot = {
                                      left: 0,
                                      top: 0
                                  };
                              }
                          }
                          (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
                      }
                  }, {
                      key: '_getVisiblePages',
                      value: function _getVisiblePages() {
                          if (!this.isInPresentationMode) {
                              return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL);
                          }
                          var currentPage = this._pages[this._currentPageNumber - 1];
                          var visible = [{
                              id: currentPage.id,
                              view: currentPage
                          }];
                          return {
                              first: currentPage,
                              last: currentPage,
                              views: visible
                          };
                      }
                  }, {
                      key: 'update',
                      value: function update() {
                          var visible = this._getVisiblePages();
                          var visiblePages = visible.views,
                              numVisiblePages = visiblePages.length;
                          if (numVisiblePages === 0) {
                              return;
                          }
                          this._resizeBuffer(numVisiblePages, visiblePages);
                          this.renderingQueue.renderHighestPriority(visible);
                          var currentId = this._currentPageNumber;
                          var stillFullyVisible = false;
                          for (var i = 0; i < numVisiblePages; ++i) {
                              var page = visiblePages[i];
                              if (page.percent < 100) {
                                  break;
                              }
                              if (page.id === currentId) {
                                  stillFullyVisible = true;
                                  break;
                              }
                          }
                          if (!stillFullyVisible) {
                              currentId = visiblePages[0].id;
                          }
                          if (!this.isInPresentationMode) {
                              this._setCurrentPageNumber(currentId);
                          }
                          this._updateLocation(visible.first);
                          this.eventBus.dispatch('updateviewarea', {
                              source: this,
                              location: this._location
                          });
                      }
                  }, {
                      key: '_setDocumentViewerElement',
                      get: function get() {
                          return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this.viewer);
                      }
                  }, {
                      key: '_isScrollModeHorizontal',
                      get: function get() {
                          return this.isInPresentationMode ? false : this._scrollMode === _base_viewer.ScrollMode.HORIZONTAL;
                      }
                  }]);
  
                  return PDFViewer;
              }(_base_viewer.BaseViewer);
  
              exports.PDFViewer = PDFViewer;
  
              /***/
  }),
  /* 25 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.SpreadMode = exports.ScrollMode = exports.BaseViewer = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdf_rendering_queue = __webpack_require__(6);
  
              var _annotation_layer_builder = __webpack_require__(26);
  
              var _pdfjsLib = __webpack_require__(3);
  
              var _dom_events = __webpack_require__(10);
  
              var _pdf_page_view = __webpack_require__(27);
  
              var _pdf_link_service = __webpack_require__(18);
  
              var _text_layer_builder = __webpack_require__(28);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var DEFAULT_CACHE_SIZE = 10;
              var ScrollMode = {
                  VERTICAL: 0,
                  HORIZONTAL: 1,
                  WRAPPED: 2
              };
              var SpreadMode = {
                  NONE: 0,
                  ODD: 1,
                  EVEN: 2
              };
              function PDFPageViewBuffer(size) {
                  var data = [];
                  this.push = function (view) {
                      var i = data.indexOf(view);
                      if (i >= 0) {
                          data.splice(i, 1);
                      }
                      data.push(view);
                      if (data.length > size) {
                          data.shift().destroy();
                      }
                  };
                  this.resize = function (newSize, pagesToKeep) {
                      size = newSize;
                      if (pagesToKeep) {
                          var pageIdsToKeep = new Set();
                          for (var i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
                              pageIdsToKeep.add(pagesToKeep[i].id);
                          }
                          (0, _ui_utils.moveToEndOfArray)(data, function (page) {
                              return pageIdsToKeep.has(page.id);
                          });
                      }
                      while (data.length > size) {
                          data.shift().destroy();
                      }
                  };
              }
              function isSameScale(oldScale, newScale) {
                  if (newScale === oldScale) {
                      return true;
                  }
                  if (Math.abs(newScale - oldScale) < 1e-15) {
                      return true;
                  }
                  return false;
              }
  
              var BaseViewer = function () {
                  function BaseViewer(options) {
                      var _this = this;
  
                      _classCallCheck(this, BaseViewer);
  
                      if (this.constructor === BaseViewer) {
                          throw new Error('Cannot initialize BaseViewer.');
                      }
                      this._name = this.constructor.name;
                      this.container = options.container;
                      this.viewer = options.viewer || options.container.firstElementChild;
                      this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)();
                      this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
                      this.downloadManager = options.downloadManager || null;
                      this.removePageBorders = options.removePageBorders || false;
                      this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
                      this.enhanceTextSelection = options.enhanceTextSelection || false;
                      this.imageResourcesPath = options.imageResourcesPath || '';
                      this.renderInteractiveForms = options.renderInteractiveForms || false;
                      this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
                      this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
                      this.enableWebGL = options.enableWebGL || false;
                      this.useOnlyCssZoom = options.useOnlyCssZoom || false;
                      this.maxCanvasPixels = options.maxCanvasPixels;
                      this.l10n = options.l10n || _ui_utils.NullL10n;
                      this.defaultRenderingQueue = !options.renderingQueue;
                      if (this.defaultRenderingQueue) {
                          this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
                          this.renderingQueue.setViewer(this);
                      } else {
                          this.renderingQueue = options.renderingQueue;
                      }
                      this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
                      this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
                      this._resetView();
                      if (this.removePageBorders) {
                          this.viewer.classList.add('removePageBorders');
                      }
                      if ('scrollMode' in options || 'spreadMode' in options) {
                          console.error('The ' + this._name + ' constructor options ' + '`scrollMode`/`spreadMode` are deprecated, use the setters instead.');
                          if (options.scrollMode !== undefined) {
                              this.scrollMode = options.scrollMode;
                          }
                          if (options.spreadMode !== undefined) {
                              this.spreadMode = options.spreadMode;
                          }
                      }
                      Promise.resolve().then(function () {
                          _this.eventBus.dispatch('baseviewerinit', { source: _this });
                      });
                  }
  
                  _createClass(BaseViewer, [{
                      key: 'getPageView',
                      value: function getPageView(index) {
                          return this._pages[index];
                      }
                  }, {
                      key: '_setCurrentPageNumber',
                      value: function _setCurrentPageNumber(val) {
                          var resetCurrentPageView = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
                          if (this._currentPageNumber === val) {
                              if (resetCurrentPageView) {
                                  this._resetCurrentPageView();
                              }
                              return;
                          }
                          if (!(0 < val && val <= this.pagesCount)) {
                              console.error(this._name + '._setCurrentPageNumber: "' + val + '" is out of bounds.');
                              return;
                          }
                          var arg = {
                              source: this,
                              pageNumber: val,
                              pageLabel: this._pageLabels && this._pageLabels[val - 1]
                          };
                          this._currentPageNumber = val;
                          this.eventBus.dispatch('pagechanging', arg);
                          this.eventBus.dispatch('pagechange', arg);
                          if (resetCurrentPageView) {
                              this._resetCurrentPageView();
                          }
                      }
                  }, {
                      key: 'setDocument',
                      value: function setDocument(pdfDocument) {
                          var _this2 = this;
  
                          if (this.pdfDocument) {
                              this._cancelRendering();
                              this._resetView();
                          }
                          this.pdfDocument = pdfDocument;
                          if (!pdfDocument) {
                              return;
                          }
                          var pagesCount = pdfDocument.numPages;
                          var pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
                          this.pagesPromise = pagesCapability.promise;
                          pagesCapability.promise.then(function () {
                              _this2._pageViewsReady = true;
                              _this2.eventBus.dispatch('pagesloaded', {
                                  source: _this2,
                                  pagesCount: pagesCount
                              });
                          });
                          var isOnePageRenderedResolved = false;
                          var onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
                          this.onePageRendered = onePageRenderedCapability.promise;
                          var bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw(pageView) {
                              pageView.onBeforeDraw = function () {
                                  _this2._buffer.push(pageView);
                              };
                              pageView.onAfterDraw = function () {
                                  if (!isOnePageRenderedResolved) {
                                      isOnePageRenderedResolved = true;
                                      onePageRenderedCapability.resolve();
                                  }
                              };
                          };
                          var firstPagePromise = pdfDocument.getPage(1);
                          this.firstPagePromise = firstPagePromise;
                          firstPagePromise.then(function (pdfPage) {
                              var scale = _this2.currentScale;
                              var viewport = pdfPage.getViewport(scale * _ui_utils.CSS_UNITS);
                              for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
                                  var textLayerFactory = null;
                                  if (_this2.textLayerMode !== _ui_utils.TextLayerMode.DISABLE) {
                                      textLayerFactory = _this2;
                                  }
                                  var pageView = new _pdf_page_view.PDFPageView({
                                      container: _this2._setDocumentViewerElement,
                                      eventBus: _this2.eventBus,
                                      id: pageNum,
                                      scale: scale,
                                      defaultViewport: viewport.clone(),
                                      renderingQueue: _this2.renderingQueue,
                                      textLayerFactory: textLayerFactory,
                                      textLayerMode: _this2.textLayerMode,
                                      annotationLayerFactory: _this2,
                                      imageResourcesPath: _this2.imageResourcesPath,
                                      renderInteractiveForms: _this2.renderInteractiveForms,
                                      renderer: _this2.renderer,
                                      enableWebGL: _this2.enableWebGL,
                                      useOnlyCssZoom: _this2.useOnlyCssZoom,
                                      maxCanvasPixels: _this2.maxCanvasPixels,
                                      l10n: _this2.l10n
                                  });
                                  bindOnAfterAndBeforeDraw(pageView);
                                  _this2._pages.push(pageView);
                              }
                              if (_this2._spreadMode !== SpreadMode.NONE) {
                                  _this2._updateSpreadMode();
                              }
                              onePageRenderedCapability.promise.then(function () {
                                  if (pdfDocument.loadingParams['disableAutoFetch']) {
                                      pagesCapability.resolve();
                                      return;
                                  }
                                  var getPagesLeft = pagesCount;
  
                                  var _loop = function _loop(_pageNum) {
                                      pdfDocument.getPage(_pageNum).then(function (pdfPage) {
                                          var pageView = _this2._pages[_pageNum - 1];
                                          if (!pageView.pdfPage) {
                                              pageView.setPdfPage(pdfPage);
                                          }
                                          _this2.linkService.cachePageRef(_pageNum, pdfPage.ref);
                                          if (--getPagesLeft === 0) {
                                              pagesCapability.resolve();
                                          }
                                      }, function (reason) {
                                          console.error('Unable to get page ' + _pageNum + ' to initialize viewer', reason);
                                          if (--getPagesLeft === 0) {
                                              pagesCapability.resolve();
                                          }
                                      });
                                  };
  
                                  for (var _pageNum = 1; _pageNum <= pagesCount; ++_pageNum) {
                                      _loop(_pageNum);
                                  }
                              });
                              _this2.eventBus.dispatch('pagesinit', { source: _this2 });
                              if (_this2.defaultRenderingQueue) {
                                  _this2.update();
                              }
                          }).catch(function (reason) {
                              console.error('Unable to initialize viewer', reason);
                          });
                      }
                  }, {
                      key: 'setPageLabels',
                      value: function setPageLabels(labels) {
                          if (!this.pdfDocument) {
                              return;
                          }
                          if (!labels) {
                              this._pageLabels = null;
                          } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
                              this._pageLabels = null;
                              console.error(this._name + '.setPageLabels: Invalid page labels.');
                          } else {
                              this._pageLabels = labels;
                          }
                          for (var i = 0, ii = this._pages.length; i < ii; i++) {
                              var pageView = this._pages[i];
                              var label = this._pageLabels && this._pageLabels[i];
                              pageView.setPageLabel(label);
                          }
                      }
                  }, {
                      key: '_resetView',
                      value: function _resetView() {
                          this._pages = [];
                          this._currentPageNumber = 1;
                          this._currentScale = _ui_utils.UNKNOWN_SCALE;
                          this._currentScaleValue = null;
                          this._pageLabels = null;
                          this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
                          this._location = null;
                          this._pagesRotation = 0;
                          this._pagesRequests = [];
                          this._pageViewsReady = false;
                          this._scrollMode = ScrollMode.VERTICAL;
                          this._spreadMode = SpreadMode.NONE;
                          this.viewer.textContent = '';
                          this._updateScrollMode();
                      }
                  }, {
                      key: '_scrollUpdate',
                      value: function _scrollUpdate() {
                          if (this.pagesCount === 0) {
                              return;
                          }
                          this.update();
                      }
                  }, {
                      key: '_scrollIntoView',
                      value: function _scrollIntoView(_ref) {
                          var pageDiv = _ref.pageDiv,
                              _ref$pageSpot = _ref.pageSpot,
                              pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot,
                              _ref$pageNumber = _ref.pageNumber,
                              pageNumber = _ref$pageNumber === undefined ? null : _ref$pageNumber;
  
                          throw new Error('Not implemented: _scrollIntoView');
                      }
                  }, {
                      key: '_setScaleDispatchEvent',
                      value: function _setScaleDispatchEvent(newScale, newValue) {
                          var preset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  
                          var arg = {
                              source: this,
                              scale: newScale,
                              presetValue: preset ? newValue : undefined
                          };
                          this.eventBus.dispatch('scalechanging', arg);
                          this.eventBus.dispatch('scalechange', arg);
                      }
                  }, {
                      key: '_setScaleUpdatePages',
                      value: function _setScaleUpdatePages(newScale, newValue) {
                          var noScroll = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
                          var preset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
                          this._currentScaleValue = newValue.toString();
                          if (isSameScale(this._currentScale, newScale)) {
                              if (preset) {
                                  this._setScaleDispatchEvent(newScale, newValue, true);
                              }
                              return;
                          }
                          for (var i = 0, ii = this._pages.length; i < ii; i++) {
                              this._pages[i].update(newScale);
                          }
                          this._currentScale = newScale;
                          if (!noScroll) {
                              var page = this._currentPageNumber,
                                  dest = void 0;
                              if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
                                  page = this._location.pageNumber;
                                  dest = [null, { name: 'XYZ' }, this._location.left, this._location.top, null];
                              }
                              this.scrollPageIntoView({
                                  pageNumber: page,
                                  destArray: dest,
                                  allowNegativeOffset: true
                              });
                          }
                          this._setScaleDispatchEvent(newScale, newValue, preset);
                          if (this.defaultRenderingQueue) {
                              this.update();
                          }
                      }
                  }, {
                      key: '_setScale',
                      value: function _setScale(value) {
                          var noScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
                          var scale = parseFloat(value);
                          if (scale > 0) {
                              this._setScaleUpdatePages(scale, value, noScroll, false);
                          } else {
                              var currentPage = this._pages[this._currentPageNumber - 1];
                              if (!currentPage) {
                                  return;
                              }
                              var noPadding = this.isInPresentationMode || this.removePageBorders;
                              var hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
                              var vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
                              if (!noPadding && this._isScrollModeHorizontal) {
                                  var temp = hPadding;
                                  hPadding = vPadding;
                                  vPadding = temp;
                              }
                              var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
                              var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
                              switch (value) {
                                  case 'page-actual':
                                      scale = 1;
                                      break;
                                  case 'page-width':
                                      scale = pageWidthScale;
                                      break;
                                  case 'page-height':
                                      scale = pageHeightScale;
                                      break;
                                  case 'page-fit':
                                      scale = Math.min(pageWidthScale, pageHeightScale);
                                      break;
                                  case 'auto':
                                      var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
                                      scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
                                      break;
                                  default:
                                      console.error(this._name + '._setScale: "' + value + '" is an unknown zoom value.');
                                      return;
                              }
                              this._setScaleUpdatePages(scale, value, noScroll, true);
                          }
                      }
                  }, {
                      key: '_resetCurrentPageView',
                      value: function _resetCurrentPageView() {
                          if (this.isInPresentationMode) {
                              this._setScale(this._currentScaleValue, true);
                          }
                          var pageView = this._pages[this._currentPageNumber - 1];
                          this._scrollIntoView({ pageDiv: pageView.div });
                      }
                  }, {
                      key: 'scrollPageIntoView',
                      value: function scrollPageIntoView(params) {
                          if (!this.pdfDocument) {
                              return;
                          }
                          var pageNumber = params.pageNumber || 0;
                          var dest = params.destArray || null;
                          var allowNegativeOffset = params.allowNegativeOffset || false;
                          if (this.isInPresentationMode || !dest) {
                              this._setCurrentPageNumber(pageNumber, true);
                              return;
                          }
                          var pageView = this._pages[pageNumber - 1];
                          if (!pageView) {
                              console.error(this._name + '.scrollPageIntoView: Invalid "pageNumber" parameter.');
                              return;
                          }
                          var x = 0,
                              y = 0;
                          var width = 0,
                              height = 0,
                              widthScale = void 0,
                              heightScale = void 0;
                          var changeOrientation = pageView.rotation % 180 === 0 ? false : true;
                          var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
                          var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
                          var scale = 0;
                          switch (dest[1].name) {
                              case 'XYZ':
                                  x = dest[2];
                                  y = dest[3];
                                  scale = dest[4];
                                  x = x !== null ? x : 0;
                                  y = y !== null ? y : pageHeight;
                                  break;
                              case 'Fit':
                              case 'FitB':
                                  scale = 'page-fit';
                                  break;
                              case 'FitH':
                              case 'FitBH':
                                  y = dest[2];
                                  scale = 'page-width';
                                  if (y === null && this._location) {
                                      x = this._location.left;
                                      y = this._location.top;
                                  }
                                  break;
                              case 'FitV':
                              case 'FitBV':
                                  x = dest[2];
                                  width = pageWidth;
                                  height = pageHeight;
                                  scale = 'page-height';
                                  break;
                              case 'FitR':
                                  x = dest[2];
                                  y = dest[3];
                                  width = dest[4] - x;
                                  height = dest[5] - y;
                                  var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
                                  var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
                                  widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
                                  heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
                                  scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
                                  break;
                              default:
                                  console.error(this._name + '.scrollPageIntoView: "' + dest[1].name + '" ' + 'is not a valid destination type.');
                                  return;
                          }
                          if (scale && scale !== this._currentScale) {
                              this.currentScaleValue = scale;
                          } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
                              this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
                          }
                          if (scale === 'page-fit' && !dest[4]) {
                              this._scrollIntoView({
                                  pageDiv: pageView.div,
                                  pageNumber: pageNumber
                              });
                              return;
                          }
                          var boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
                          var left = Math.min(boundingRect[0][0], boundingRect[1][0]);
                          var top = Math.min(boundingRect[0][1], boundingRect[1][1]);
                          if (!allowNegativeOffset) {
                              left = Math.max(left, 0);
                              top = Math.max(top, 0);
                          }
                          this._scrollIntoView({
                              pageDiv: pageView.div,
                              pageSpot: {
                                  left: left,
                                  top: top
                              },
                              pageNumber: pageNumber
                          });
                      }
                  }, {
                      key: '_resizeBuffer',
                      value: function _resizeBuffer(numVisiblePages, visiblePages) {
                          var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
                          this._buffer.resize(suggestedCacheSize, visiblePages);
                      }
                  }, {
                      key: '_updateLocation',
                      value: function _updateLocation(firstPage) {
                          var currentScale = this._currentScale;
                          var currentScaleValue = this._currentScaleValue;
                          var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
                          var pageNumber = firstPage.id;
                          var pdfOpenParams = '#page=' + pageNumber;
                          pdfOpenParams += '&zoom=' + normalizedScaleValue;
                          var currentPageView = this._pages[pageNumber - 1];
                          var container = this.container;
                          var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
                          var intLeft = Math.round(topLeft[0]);
                          var intTop = Math.round(topLeft[1]);
                          pdfOpenParams += ',' + intLeft + ',' + intTop;
                          this._location = {
                              pageNumber: pageNumber,
                              scale: normalizedScaleValue,
                              top: intTop,
                              left: intLeft,
                              rotation: this._pagesRotation,
                              pdfOpenParams: pdfOpenParams
                          };
                      }
                  }, {
                      key: 'update',
                      value: function update() {
                          throw new Error('Not implemented: update');
                      }
                  }, {
                      key: 'containsElement',
                      value: function containsElement(element) {
                          return this.container.contains(element);
                      }
                  }, {
                      key: 'focus',
                      value: function focus() {
                          this.container.focus();
                      }
                  }, {
                      key: '_getVisiblePages',
                      value: function _getVisiblePages() {
                          throw new Error('Not implemented: _getVisiblePages');
                      }
                  }, {
                      key: 'cleanup',
                      value: function cleanup() {
                          for (var i = 0, ii = this._pages.length; i < ii; i++) {
                              if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                                  this._pages[i].reset();
                              }
                          }
                      }
                  }, {
                      key: '_cancelRendering',
                      value: function _cancelRendering() {
                          for (var i = 0, ii = this._pages.length; i < ii; i++) {
                              if (this._pages[i]) {
                                  this._pages[i].cancelRendering();
                              }
                          }
                      }
                  }, {
                      key: '_ensurePdfPageLoaded',
                      value: function _ensurePdfPageLoaded(pageView) {
                          var _this3 = this;
  
                          if (pageView.pdfPage) {
                              return Promise.resolve(pageView.pdfPage);
                          }
                          var pageNumber = pageView.id;
                          if (this._pagesRequests[pageNumber]) {
                              return this._pagesRequests[pageNumber];
                          }
                          var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
                              if (!pageView.pdfPage) {
                                  pageView.setPdfPage(pdfPage);
                              }
                              _this3._pagesRequests[pageNumber] = null;
                              return pdfPage;
                          }).catch(function (reason) {
                              console.error('Unable to get page for page view', reason);
                              _this3._pagesRequests[pageNumber] = null;
                          });
                          this._pagesRequests[pageNumber] = promise;
                          return promise;
                      }
                  }, {
                      key: 'forceRendering',
                      value: function forceRendering(currentlyVisiblePages) {
                          var _this4 = this;
  
                          var visiblePages = currentlyVisiblePages || this._getVisiblePages();
                          var scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
                          var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
                          if (pageView) {
                              this._ensurePdfPageLoaded(pageView).then(function () {
                                  _this4.renderingQueue.renderView(pageView);
                              });
                              return true;
                          }
                          return false;
                      }
                  }, {
                      key: 'getPageTextContent',
                      value: function getPageTextContent(pageIndex) {
                          return this.pdfDocument.getPage(pageIndex + 1).then(function (page) {
                              return page.getTextContent({ normalizeWhitespace: true });
                          });
                      }
                  }, {
                      key: 'createTextLayerBuilder',
                      value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
                          var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
                          return new _text_layer_builder.TextLayerBuilder({
                              textLayerDiv: textLayerDiv,
                              eventBus: this.eventBus,
                              pageIndex: pageIndex,
                              viewport: viewport,
                              findController: this.isInPresentationMode ? null : this.findController,
                              enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
                          });
                      }
                  }, {
                      key: 'createAnnotationLayerBuilder',
                      value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
                          var imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
                          var renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
                          var l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;
  
                          return new _annotation_layer_builder.AnnotationLayerBuilder({
                              pageDiv: pageDiv,
                              pdfPage: pdfPage,
                              imageResourcesPath: imageResourcesPath,
                              renderInteractiveForms: renderInteractiveForms,
                              linkService: this.linkService,
                              downloadManager: this.downloadManager,
                              l10n: l10n
                          });
                      }
                  }, {
                      key: 'setFindController',
                      value: function setFindController(findController) {
                          this.findController = findController;
                      }
                  }, {
                      key: 'getPagesOverview',
                      value: function getPagesOverview() {
                          var pagesOverview = this._pages.map(function (pageView) {
                              var viewport = pageView.pdfPage.getViewport(1);
                              return {
                                  width: viewport.width,
                                  height: viewport.height,
                                  rotation: viewport.rotation
                              };
                          });
                          if (!this.enablePrintAutoRotate) {
                              return pagesOverview;
                          }
                          var isFirstPagePortrait = (0, _ui_utils.isPortraitOrientation)(pagesOverview[0]);
                          return pagesOverview.map(function (size) {
                              if (isFirstPagePortrait === (0, _ui_utils.isPortraitOrientation)(size)) {
                                  return size;
                              }
                              return {
                                  width: size.height,
                                  height: size.width,
                                  rotation: (size.rotation + 90) % 360
                              };
                          });
                      }
                  }, {
                      key: '_updateScrollMode',
                      value: function _updateScrollMode() {
                          var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
  
                          var scrollMode = this._scrollMode,
                              viewer = this.viewer;
                          if (scrollMode === ScrollMode.HORIZONTAL) {
                              viewer.classList.add('scrollHorizontal');
                          } else {
                              viewer.classList.remove('scrollHorizontal');
                          }
                          if (scrollMode === ScrollMode.WRAPPED) {
                              viewer.classList.add('scrollWrapped');
                          } else {
                              viewer.classList.remove('scrollWrapped');
                          }
                          if (!this.pdfDocument || !pageNumber) {
                              return;
                          }
                          if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
                              this._setScale(this._currentScaleValue, true);
                          }
                          this.scrollPageIntoView({ pageNumber: pageNumber });
                          this.update();
                      }
                  }, {
                      key: 'setScrollMode',
                      value: function setScrollMode(mode) {
                          console.error(this._name + '.setScrollMode() is deprecated, ' + ('use the ' + this._name + '.scrollMode setter instead.'));
                          this.scrollMode = mode;
                      }
                  }, {
                      key: '_updateSpreadMode',
                      value: function _updateSpreadMode() {
                          var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
  
                          if (!this.pdfDocument) {
                              return;
                          }
                          var viewer = this.viewer,
                              pages = this._pages;
                          viewer.textContent = '';
                          if (this._spreadMode === SpreadMode.NONE) {
                              for (var i = 0, iMax = pages.length; i < iMax; ++i) {
                                  viewer.appendChild(pages[i].div);
                              }
                          } else {
                              var parity = this._spreadMode - 1;
                              var spread = null;
                              for (var _i = 0, _iMax = pages.length; _i < _iMax; ++_i) {
                                  if (spread === null) {
                                      spread = document.createElement('div');
                                      spread.className = 'spread';
                                      viewer.appendChild(spread);
                                  } else if (_i % 2 === parity) {
                                      spread = spread.cloneNode(false);
                                      viewer.appendChild(spread);
                                  }
                                  spread.appendChild(pages[_i].div);
                              }
                          }
                          if (!pageNumber) {
                              return;
                          }
                          this.scrollPageIntoView({ pageNumber: pageNumber });
                          this.update();
                      }
                  }, {
                      key: 'setSpreadMode',
                      value: function setSpreadMode(mode) {
                          console.error(this._name + '.setSpreadMode() is deprecated, ' + ('use the ' + this._name + '.spreadMode setter instead.'));
                          this.spreadMode = mode;
                      }
                  }, {
                      key: 'pagesCount',
                      get: function get() {
                          return this._pages.length;
                      }
                  }, {
                      key: 'pageViewsReady',
                      get: function get() {
                          return this._pageViewsReady;
                      }
                  }, {
                      key: 'currentPageNumber',
                      get: function get() {
                          return this._currentPageNumber;
                      },
                      set: function set(val) {
                          if (!Number.isInteger(val)) {
                              throw new Error('Invalid page number.');
                          }
                          if (!this.pdfDocument) {
                              return;
                          }
                          this._setCurrentPageNumber(val, true);
                      }
                  }, {
                      key: 'currentPageLabel',
                      get: function get() {
                          return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
                      },
                      set: function set(val) {
                          var pageNumber = val | 0;
                          if (this._pageLabels) {
                              var i = this._pageLabels.indexOf(val);
                              if (i >= 0) {
                                  pageNumber = i + 1;
                              }
                          }
                          this.currentPageNumber = pageNumber;
                      }
                  }, {
                      key: 'currentScale',
                      get: function get() {
                          return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
                      },
                      set: function set(val) {
                          if (isNaN(val)) {
                              throw new Error('Invalid numeric scale');
                          }
                          if (!this.pdfDocument) {
                              return;
                          }
                          this._setScale(val, false);
                      }
                  }, {
                      key: 'currentScaleValue',
                      get: function get() {
                          return this._currentScaleValue;
                      },
                      set: function set(val) {
                          if (!this.pdfDocument) {
                              return;
                          }
                          this._setScale(val, false);
                      }
                  }, {
                      key: 'pagesRotation',
                      get: function get() {
                          return this._pagesRotation;
                      },
                      set: function set(rotation) {
                          if (!(0, _ui_utils.isValidRotation)(rotation)) {
                              throw new Error('Invalid pages rotation angle.');
                          }
                          if (!this.pdfDocument) {
                              return;
                          }
                          if (this._pagesRotation === rotation) {
                              return;
                          }
                          this._pagesRotation = rotation;
                          var pageNumber = this._currentPageNumber;
                          for (var i = 0, ii = this._pages.length; i < ii; i++) {
                              var pageView = this._pages[i];
                              pageView.update(pageView.scale, rotation);
                          }
                          if (this._currentScaleValue) {
                              this._setScale(this._currentScaleValue, true);
                          }
                          this.eventBus.dispatch('rotationchanging', {
                              source: this,
                              pagesRotation: rotation,
                              pageNumber: pageNumber
                          });
                          if (this.defaultRenderingQueue) {
                              this.update();
                          }
                      }
                  }, {
                      key: '_setDocumentViewerElement',
                      get: function get() {
                          throw new Error('Not implemented: _setDocumentViewerElement');
                      }
                  }, {
                      key: '_isScrollModeHorizontal',
                      get: function get() {
                          throw new Error('Not implemented: _isScrollModeHorizontal');
                      }
                  }, {
                      key: 'isInPresentationMode',
                      get: function get() {
                          return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
                      }
                  }, {
                      key: 'isChangingPresentationMode',
                      get: function get() {
                          return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
                      }
                  }, {
                      key: 'isHorizontalScrollbarEnabled',
                      get: function get() {
                          return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
                      }
                  }, {
                      key: 'isVerticalScrollbarEnabled',
                      get: function get() {
                          return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
                      }
                  }, {
                      key: 'hasEqualPageSizes',
                      get: function get() {
                          var firstPageView = this._pages[0];
                          for (var i = 1, ii = this._pages.length; i < ii; ++i) {
                              var pageView = this._pages[i];
                              if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
                                  return false;
                              }
                          }
                          return true;
                      }
                  }, {
                      key: 'scrollMode',
                      get: function get() {
                          return this._scrollMode;
                      },
                      set: function set(mode) {
                          if (this._scrollMode === mode) {
                              return;
                          }
                          if (!Number.isInteger(mode) || !Object.values(ScrollMode).includes(mode)) {
                              throw new Error('Invalid scroll mode: ' + mode);
                          }
                          this._scrollMode = mode;
                          this.eventBus.dispatch('scrollmodechanged', {
                              source: this,
                              mode: mode
                          });
                          this._updateScrollMode(this._currentPageNumber);
                      }
                  }, {
                      key: 'spreadMode',
                      get: function get() {
                          return this._spreadMode;
                      },
                      set: function set(mode) {
                          if (this._spreadMode === mode) {
                              return;
                          }
                          if (!Number.isInteger(mode) || !Object.values(SpreadMode).includes(mode)) {
                              throw new Error('Invalid spread mode: ' + mode);
                          }
                          this._spreadMode = mode;
                          this.eventBus.dispatch('spreadmodechanged', {
                              source: this,
                              mode: mode
                          });
                          this._updateSpreadMode(this._currentPageNumber);
                      }
                  }]);
  
                  return BaseViewer;
              }();
  
              exports.BaseViewer = BaseViewer;
              exports.ScrollMode = ScrollMode;
              exports.SpreadMode = SpreadMode;
  
              /***/
  }),
  /* 26 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _pdfjsLib = __webpack_require__(3);
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdf_link_service = __webpack_require__(18);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var AnnotationLayerBuilder = function () {
                  function AnnotationLayerBuilder(_ref) {
                      var pageDiv = _ref.pageDiv,
                          pdfPage = _ref.pdfPage,
                          linkService = _ref.linkService,
                          downloadManager = _ref.downloadManager,
                          _ref$imageResourcesPa = _ref.imageResourcesPath,
                          imageResourcesPath = _ref$imageResourcesPa === undefined ? '' : _ref$imageResourcesPa,
                          _ref$renderInteractiv = _ref.renderInteractiveForms,
                          renderInteractiveForms = _ref$renderInteractiv === undefined ? false : _ref$renderInteractiv,
                          _ref$l10n = _ref.l10n,
                          l10n = _ref$l10n === undefined ? _ui_utils.NullL10n : _ref$l10n;
  
                      _classCallCheck(this, AnnotationLayerBuilder);
  
                      this.pageDiv = pageDiv;
                      this.pdfPage = pdfPage;
                      this.linkService = linkService;
                      this.downloadManager = downloadManager;
                      this.imageResourcesPath = imageResourcesPath;
                      this.renderInteractiveForms = renderInteractiveForms;
                      this.l10n = l10n;
                      this.div = null;
                      this._cancelled = false;
                  }
  
                  _createClass(AnnotationLayerBuilder, [{
                      key: 'render',
                      value: function render(viewport) {
                          var _this = this;
  
                          var intent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'display';
  
                          this.pdfPage.getAnnotations({ intent: intent }).then(function (annotations) {
                              if (_this._cancelled) {
                                  return;
                              }
                              var parameters = {
                                  viewport: viewport.clone({ dontFlip: true }),
                                  div: _this.div,
                                  annotations: annotations,
                                  page: _this.pdfPage,
                                  imageResourcesPath: _this.imageResourcesPath,
                                  renderInteractiveForms: _this.renderInteractiveForms,
                                  linkService: _this.linkService,
                                  downloadManager: _this.downloadManager
                              };
                              if (_this.div) {
                                  _pdfjsLib.AnnotationLayer.update(parameters);
                              } else {
                                  if (annotations.length === 0) {
                                      return;
                                  }
                                  _this.div = document.createElement('div');
                                  _this.div.className = 'annotationLayer';
                                  _this.pageDiv.appendChild(_this.div);
                                  parameters.div = _this.div;
                                  _pdfjsLib.AnnotationLayer.render(parameters);
                                  _this.l10n.translate(_this.div);
                              }
                          });
                      }
                  }, {
                      key: 'cancel',
                      value: function cancel() {
                          this._cancelled = true;
                      }
                  }, {
                      key: 'hide',
                      value: function hide() {
                          if (!this.div) {
                              return;
                          }
                          this.div.setAttribute('hidden', 'true');
                      }
                  }]);
  
                  return AnnotationLayerBuilder;
              }();
  
              var DefaultAnnotationLayerFactory = function () {
                  function DefaultAnnotationLayerFactory() {
                      _classCallCheck(this, DefaultAnnotationLayerFactory);
                  }
  
                  _createClass(DefaultAnnotationLayerFactory, [{
                      key: 'createAnnotationLayerBuilder',
                      value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
                          var imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
                          var renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
                          var l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;
  
                          return new AnnotationLayerBuilder({
                              pageDiv: pageDiv,
                              pdfPage: pdfPage,
                              imageResourcesPath: imageResourcesPath,
                              renderInteractiveForms: renderInteractiveForms,
                              linkService: new _pdf_link_service.SimpleLinkService(),
                              l10n: l10n
                          });
                      }
                  }]);
  
                  return DefaultAnnotationLayerFactory;
              }();
  
              exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
              exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
  
              /***/
  }),
  /* 27 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFPageView = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdfjsLib = __webpack_require__(3);
  
              var _dom_events = __webpack_require__(10);
  
              var _pdf_rendering_queue = __webpack_require__(6);
  
              var _viewer_compatibility = __webpack_require__(9);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;
  
              var PDFPageView = function () {
                  function PDFPageView(options) {
                      _classCallCheck(this, PDFPageView);
  
                      var container = options.container;
                      var defaultViewport = options.defaultViewport;
                      this.id = options.id;
                      this.renderingId = 'page' + this.id;
                      this.pdfPage = null;
                      this.pageLabel = null;
                      this.rotation = 0;
                      this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
                      this.viewport = defaultViewport;
                      this.pdfPageRotate = defaultViewport.rotation;
                      this.hasRestrictedScaling = false;
                      this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
                      this.imageResourcesPath = options.imageResourcesPath || '';
                      this.renderInteractiveForms = options.renderInteractiveForms || false;
                      this.useOnlyCssZoom = options.useOnlyCssZoom || false;
                      this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
                      this.eventBus = options.eventBus || (0, _dom_events.getGlobalEventBus)();
                      this.renderingQueue = options.renderingQueue;
                      this.textLayerFactory = options.textLayerFactory;
                      this.annotationLayerFactory = options.annotationLayerFactory;
                      this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
                      this.enableWebGL = options.enableWebGL || false;
                      this.l10n = options.l10n || _ui_utils.NullL10n;
                      this.paintTask = null;
                      this.paintedViewportMap = new WeakMap();
                      this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
                      this.resume = null;
                      this.error = null;
                      this.onBeforeDraw = null;
                      this.onAfterDraw = null;
                      this.annotationLayer = null;
                      this.textLayer = null;
                      this.zoomLayer = null;
                      var div = document.createElement('div');
                      div.className = 'page';
                      div.style.width = Math.floor(this.viewport.width) + 'px';
                      div.style.height = Math.floor(this.viewport.height) + 'px';
                      div.setAttribute('data-page-number', this.id);
                      this.div = div;
                      container.appendChild(div);
                  }
  
                  _createClass(PDFPageView, [{
                      key: 'setPdfPage',
                      value: function setPdfPage(pdfPage) {
                          this.pdfPage = pdfPage;
                          this.pdfPageRotate = pdfPage.rotate;
                          var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
                          this.viewport = pdfPage.getViewport(this.scale * _ui_utils.CSS_UNITS, totalRotation);
                          this.stats = pdfPage.stats;
                          this.reset();
                      }
                  }, {
                      key: 'destroy',
                      value: function destroy() {
                          this.reset();
                          if (this.pdfPage) {
                              this.pdfPage.cleanup();
                          }
                      }
                  }, {
                      key: '_resetZoomLayer',
                      value: function _resetZoomLayer() {
                          var removeFromDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
                          if (!this.zoomLayer) {
                              return;
                          }
                          var zoomLayerCanvas = this.zoomLayer.firstChild;
                          this.paintedViewportMap.delete(zoomLayerCanvas);
                          zoomLayerCanvas.width = 0;
                          zoomLayerCanvas.height = 0;
                          if (removeFromDOM) {
                              this.zoomLayer.remove();
                          }
                          this.zoomLayer = null;
                      }
                  }, {
                      key: 'reset',
                      value: function reset() {
                          var keepZoomLayer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
                          var keepAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
                          this.cancelRendering(keepAnnotations);
                          var div = this.div;
                          div.style.width = Math.floor(this.viewport.width) + 'px';
                          div.style.height = Math.floor(this.viewport.height) + 'px';
                          var childNodes = div.childNodes;
                          var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
                          var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
                          for (var i = childNodes.length - 1; i >= 0; i--) {
                              var node = childNodes[i];
                              if (currentZoomLayerNode === node || currentAnnotationNode === node) {
                                  continue;
                              }
                              div.removeChild(node);
                          }
                          div.removeAttribute('data-loaded');
                          if (currentAnnotationNode) {
                              this.annotationLayer.hide();
                          } else if (this.annotationLayer) {
                              this.annotationLayer.cancel();
                              this.annotationLayer = null;
                          }
                          if (!currentZoomLayerNode) {
                              if (this.canvas) {
                                  this.paintedViewportMap.delete(this.canvas);
                                  this.canvas.width = 0;
                                  this.canvas.height = 0;
                                  delete this.canvas;
                              }
                              this._resetZoomLayer();
                          }
                          if (this.svg) {
                              this.paintedViewportMap.delete(this.svg);
                              delete this.svg;
                          }
                          this.loadingIconDiv = document.createElement('div');
                          this.loadingIconDiv.className = 'loadingIcon';
                          div.appendChild(this.loadingIconDiv);
                      }
                  }, {
                      key: 'update',
                      value: function update(scale, rotation) {
                          this.scale = scale || this.scale;
                          if (typeof rotation !== 'undefined') {
                              this.rotation = rotation;
                          }
                          var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
                          this.viewport = this.viewport.clone({
                              scale: this.scale * _ui_utils.CSS_UNITS,
                              rotation: totalRotation
                          });
                          if (this.svg) {
                              this.cssTransform(this.svg, true);
                              this.eventBus.dispatch('pagerendered', {
                                  source: this,
                                  pageNumber: this.id,
                                  cssTransform: true
                              });
                              return;
                          }
                          var isScalingRestricted = false;
                          if (this.canvas && this.maxCanvasPixels > 0) {
                              var outputScale = this.outputScale;
                              if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
                                  isScalingRestricted = true;
                              }
                          }
                          if (this.canvas) {
                              if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
                                  this.cssTransform(this.canvas, true);
                                  this.eventBus.dispatch('pagerendered', {
                                      source: this,
                                      pageNumber: this.id,
                                      cssTransform: true
                                  });
                                  return;
                              }
                              if (!this.zoomLayer && !this.canvas.hasAttribute('hidden')) {
                                  this.zoomLayer = this.canvas.parentNode;
                                  this.zoomLayer.style.position = 'absolute';
                              }
                          }
                          if (this.zoomLayer) {
                              this.cssTransform(this.zoomLayer.firstChild);
                          }
                          this.reset(true, true);
                      }
                  }, {
                      key: 'cancelRendering',
                      value: function cancelRendering() {
                          var keepAnnotations = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
                          if (this.paintTask) {
                              this.paintTask.cancel();
                              this.paintTask = null;
                          }
                          this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
                          this.resume = null;
                          if (this.textLayer) {
                              this.textLayer.cancel();
                              this.textLayer = null;
                          }
                          if (!keepAnnotations && this.annotationLayer) {
                              this.annotationLayer.cancel();
                              this.annotationLayer = null;
                          }
                      }
                  }, {
                      key: 'cssTransform',
                      value: function cssTransform(target) {
                          var redrawAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
                          var width = this.viewport.width;
                          var height = this.viewport.height;
                          var div = this.div;
                          target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + 'px';
                          target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + 'px';
                          var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
                          var absRotation = Math.abs(relativeRotation);
                          var scaleX = 1,
                              scaleY = 1;
                          if (absRotation === 90 || absRotation === 270) {
                              scaleX = height / width;
                              scaleY = width / height;
                          }
                          var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')';
                          target.style.transform = cssTransform;
                          if (this.textLayer) {
                              var textLayerViewport = this.textLayer.viewport;
                              var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
                              var textAbsRotation = Math.abs(textRelativeRotation);
                              var scale = width / textLayerViewport.width;
                              if (textAbsRotation === 90 || textAbsRotation === 270) {
                                  scale = width / textLayerViewport.height;
                              }
                              var textLayerDiv = this.textLayer.textLayerDiv;
                              var transX = void 0,
                                  transY = void 0;
                              switch (textAbsRotation) {
                                  case 0:
                                      transX = transY = 0;
                                      break;
                                  case 90:
                                      transX = 0;
                                      transY = '-' + textLayerDiv.style.height;
                                      break;
                                  case 180:
                                      transX = '-' + textLayerDiv.style.width;
                                      transY = '-' + textLayerDiv.style.height;
                                      break;
                                  case 270:
                                      transX = '-' + textLayerDiv.style.width;
                                      transY = 0;
                                      break;
                                  default:
                                      console.error('Bad rotation value.');
                                      break;
                              }
                              textLayerDiv.style.transform = 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')';
                              textLayerDiv.style.transformOrigin = '0% 0%';
                          }
                          if (redrawAnnotations && this.annotationLayer) {
                              this.annotationLayer.render(this.viewport, 'display');
                          }
                      }
                  }, {
                      key: 'getPagePoint',
                      value: function getPagePoint(x, y) {
                          return this.viewport.convertToPdfPoint(x, y);
                      }
                  }, {
                      key: 'draw',
                      value: function draw() {
                          var _this = this;
  
                          if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                              console.error('Must be in new state before drawing');
                              this.reset();
                          }
                          if (!this.pdfPage) {
                              this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                              return Promise.reject(new Error('Page is not loaded'));
                          }
                          this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                          var pdfPage = this.pdfPage;
                          var div = this.div;
                          var canvasWrapper = document.createElement('div');
                          canvasWrapper.style.width = div.style.width;
                          canvasWrapper.style.height = div.style.height;
                          canvasWrapper.classList.add('canvasWrapper');
                          if (this.annotationLayer && this.annotationLayer.div) {
                              div.insertBefore(canvasWrapper, this.annotationLayer.div);
                          } else {
                              div.appendChild(canvasWrapper);
                          }
                          var textLayer = null;
                          if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
                              var textLayerDiv = document.createElement('div');
                              textLayerDiv.className = 'textLayer';
                              textLayerDiv.style.width = canvasWrapper.style.width;
                              textLayerDiv.style.height = canvasWrapper.style.height;
                              if (this.annotationLayer && this.annotationLayer.div) {
                                  div.insertBefore(textLayerDiv, this.annotationLayer.div);
                              } else {
                                  div.appendChild(textLayerDiv);
                              }
                              textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE);
                          }
                          this.textLayer = textLayer;
                          var renderContinueCallback = null;
                          if (this.renderingQueue) {
                              renderContinueCallback = function renderContinueCallback(cont) {
                                  if (!_this.renderingQueue.isHighestPriority(_this)) {
                                      _this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
                                      _this.resume = function () {
                                          _this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                                          cont();
                                      };
                                      return;
                                  }
                                  cont();
                              };
                          }
                          var finishPaintTask = function finishPaintTask(error) {
                              if (paintTask === _this.paintTask) {
                                  _this.paintTask = null;
                              }
                              if (error instanceof _pdfjsLib.RenderingCancelledException) {
                                  _this.error = null;
                                  return Promise.resolve(undefined);
                              }
                              _this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                              if (_this.loadingIconDiv) {
                                  div.removeChild(_this.loadingIconDiv);
                                  delete _this.loadingIconDiv;
                              }
                              _this._resetZoomLayer(true);
                              _this.error = error;
                              _this.stats = pdfPage.stats;
                              if (_this.onAfterDraw) {
                                  _this.onAfterDraw();
                              }
                              _this.eventBus.dispatch('pagerendered', {
                                  source: _this,
                                  pageNumber: _this.id,
                                  cssTransform: false
                              });
                              if (error) {
                                  return Promise.reject(error);
                              }
                              return Promise.resolve(undefined);
                          };
                          var paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
                          paintTask.onRenderContinue = renderContinueCallback;
                          this.paintTask = paintTask;
                          var resultPromise = paintTask.promise.then(function () {
                              return finishPaintTask(null).then(function () {
                                  if (textLayer) {
                                      var readableStream = pdfPage.streamTextContent({ normalizeWhitespace: true });
                                      textLayer.setTextContentStream(readableStream);
                                      textLayer.render();
                                  }
                              });
                          }, function (reason) {
                              return finishPaintTask(reason);
                          });
                          if (this.annotationLayerFactory) {
                              if (!this.annotationLayer) {
                                  this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);
                              }
                              this.annotationLayer.render(this.viewport, 'display');
                          }
                          div.setAttribute('data-loaded', true);
                          if (this.onBeforeDraw) {
                              this.onBeforeDraw();
                          }
                          return resultPromise;
                      }
                  }, {
                      key: 'paintOnCanvas',
                      value: function paintOnCanvas(canvasWrapper) {
                          var renderCapability = (0, _pdfjsLib.createPromiseCapability)();
                          var result = {
                              promise: renderCapability.promise,
                              onRenderContinue: function onRenderContinue(cont) {
                                  cont();
                              },
                              cancel: function cancel() {
                                  renderTask.cancel();
                              }
                          };
                          var viewport = this.viewport;
                          var canvas = document.createElement('canvas');
                          canvas.id = this.renderingId;
                          canvas.setAttribute('hidden', 'hidden');
                          var isCanvasHidden = true;
                          var showCanvas = function showCanvas() {
                              if (isCanvasHidden) {
                                  canvas.removeAttribute('hidden');
                                  isCanvasHidden = false;
                              }
                          };
                          canvasWrapper.appendChild(canvas);
                          this.canvas = canvas;
                          canvas.mozOpaque = true;
                          var ctx = canvas.getContext('2d', { alpha: false });
                          var outputScale = (0, _ui_utils.getOutputScale)(ctx);
                          this.outputScale = outputScale;
                          if (this.useOnlyCssZoom) {
                              var actualSizeViewport = viewport.clone({ scale: _ui_utils.CSS_UNITS });
                              outputScale.sx *= actualSizeViewport.width / viewport.width;
                              outputScale.sy *= actualSizeViewport.height / viewport.height;
                              outputScale.scaled = true;
                          }
                          if (this.maxCanvasPixels > 0) {
                              var pixelsInViewport = viewport.width * viewport.height;
                              var maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
                              if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
                                  outputScale.sx = maxScale;
                                  outputScale.sy = maxScale;
                                  outputScale.scaled = true;
                                  this.hasRestrictedScaling = true;
                              } else {
                                  this.hasRestrictedScaling = false;
                              }
                          }
                          var sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
                          var sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
                          canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
                          canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
                          canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + 'px';
                          canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + 'px';
                          this.paintedViewportMap.set(canvas, viewport);
                          var transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
                          var renderContext = {
                              canvasContext: ctx,
                              transform: transform,
                              viewport: this.viewport,
                              enableWebGL: this.enableWebGL,
                              renderInteractiveForms: this.renderInteractiveForms
                          };
                          var renderTask = this.pdfPage.render(renderContext);
                          renderTask.onContinue = function (cont) {
                              showCanvas();
                              if (result.onRenderContinue) {
                                  result.onRenderContinue(cont);
                              } else {
                                  cont();
                              }
                          };
                          renderTask.promise.then(function () {
                              showCanvas();
                              renderCapability.resolve(undefined);
                          }, function (error) {
                              showCanvas();
                              renderCapability.reject(error);
                          });
                          return result;
                      }
                  }, {
                      key: 'paintOnSvg',
                      value: function paintOnSvg(wrapper) {
                          var _this2 = this;
  
                          var cancelled = false;
                          var ensureNotCancelled = function ensureNotCancelled() {
                              if (cancelled) {
                                  throw new _pdfjsLib.RenderingCancelledException('Rendering cancelled, page ' + _this2.id, 'svg');
                              }
                          };
                          var pdfPage = this.pdfPage;
                          var actualSizeViewport = this.viewport.clone({ scale: _ui_utils.CSS_UNITS });
                          var promise = pdfPage.getOperatorList().then(function (opList) {
                              ensureNotCancelled();
                              var svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
                              return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
                                  ensureNotCancelled();
                                  _this2.svg = svg;
                                  _this2.paintedViewportMap.set(svg, actualSizeViewport);
                                  svg.style.width = wrapper.style.width;
                                  svg.style.height = wrapper.style.height;
                                  _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                                  wrapper.appendChild(svg);
                              });
                          });
                          return {
                              promise: promise,
                              onRenderContinue: function onRenderContinue(cont) {
                                  cont();
                              },
                              cancel: function cancel() {
                                  cancelled = true;
                              }
                          };
                      }
                  }, {
                      key: 'setPageLabel',
                      value: function setPageLabel(label) {
                          this.pageLabel = typeof label === 'string' ? label : null;
                          if (this.pageLabel !== null) {
                              this.div.setAttribute('data-page-label', this.pageLabel);
                          } else {
                              this.div.removeAttribute('data-page-label');
                          }
                      }
                  }, {
                      key: 'width',
                      get: function get() {
                          return this.viewport.width;
                      }
                  }, {
                      key: 'height',
                      get: function get() {
                          return this.viewport.height;
                      }
                  }]);
  
                  return PDFPageView;
              }();
  
              exports.PDFPageView = PDFPageView;
  
              /***/
  }),
  /* 28 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.DefaultTextLayerFactory = exports.TextLayerBuilder = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _dom_events = __webpack_require__(10);
  
              var _pdfjsLib = __webpack_require__(3);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var EXPAND_DIVS_TIMEOUT = 300;
  
              var TextLayerBuilder = function () {
                  function TextLayerBuilder(_ref) {
                      var textLayerDiv = _ref.textLayerDiv,
                          eventBus = _ref.eventBus,
                          pageIndex = _ref.pageIndex,
                          viewport = _ref.viewport,
                          _ref$findController = _ref.findController,
                          findController = _ref$findController === undefined ? null : _ref$findController,
                          _ref$enhanceTextSelec = _ref.enhanceTextSelection,
                          enhanceTextSelection = _ref$enhanceTextSelec === undefined ? false : _ref$enhanceTextSelec;
  
                      _classCallCheck(this, TextLayerBuilder);
  
                      this.textLayerDiv = textLayerDiv;
                      this.eventBus = eventBus || (0, _dom_events.getGlobalEventBus)();
                      this.textContent = null;
                      this.textContentItemsStr = [];
                      this.textContentStream = null;
                      this.renderingDone = false;
                      this.pageIdx = pageIndex;
                      this.pageNumber = this.pageIdx + 1;
                      this.matches = [];
                      this.viewport = viewport;
                      this.textDivs = [];
                      this.findController = findController;
                      this.textLayerRenderTask = null;
                      this.enhanceTextSelection = enhanceTextSelection;
                      this._bindMouse();
                  }
  
                  _createClass(TextLayerBuilder, [{
                      key: '_finishRendering',
                      value: function _finishRendering() {
                          this.renderingDone = true;
                          if (!this.enhanceTextSelection) {
                              var endOfContent = document.createElement('div');
                              endOfContent.className = 'endOfContent';
                              this.textLayerDiv.appendChild(endOfContent);
                          }
                          this.eventBus.dispatch('textlayerrendered', {
                              source: this,
                              pageNumber: this.pageNumber,
                              numTextDivs: this.textDivs.length
                          });
                      }
                  }, {
                      key: 'render',
                      value: function render() {
                          var _this = this;
  
                          var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  
                          if (!(this.textContent || this.textContentStream) || this.renderingDone) {
                              return;
                          }
                          this.cancel();
                          this.textDivs = [];
                          var textLayerFrag = document.createDocumentFragment();
                          this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
                              textContent: this.textContent,
                              textContentStream: this.textContentStream,
                              container: textLayerFrag,
                              viewport: this.viewport,
                              textDivs: this.textDivs,
                              textContentItemsStr: this.textContentItemsStr,
                              timeout: timeout,
                              enhanceTextSelection: this.enhanceTextSelection
                          });
                          this.textLayerRenderTask.promise.then(function () {
                              _this.textLayerDiv.appendChild(textLayerFrag);
                              _this._finishRendering();
                              _this.updateMatches();
                          }, function (reason) { });
                      }
                  }, {
                      key: 'cancel',
                      value: function cancel() {
                          if (this.textLayerRenderTask) {
                              this.textLayerRenderTask.cancel();
                              this.textLayerRenderTask = null;
                          }
                      }
                  }, {
                      key: 'setTextContentStream',
                      value: function setTextContentStream(readableStream) {
                          this.cancel();
                          this.textContentStream = readableStream;
                      }
                  }, {
                      key: 'setTextContent',
                      value: function setTextContent(textContent) {
                          this.cancel();
                          this.textContent = textContent;
                      }
                  }, {
                      key: 'convertMatches',
                      value: function convertMatches(matches, matchesLength) {
                          var i = 0;
                          var iIndex = 0;
                          var textContentItemsStr = this.textContentItemsStr;
                          var end = textContentItemsStr.length - 1;
                          var queryLen = this.findController === null ? 0 : this.findController.state.query.length;
                          var ret = [];
                          if (!matches) {
                              return ret;
                          }
                          for (var m = 0, len = matches.length; m < len; m++) {
                              var matchIdx = matches[m];
                              while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
                                  iIndex += textContentItemsStr[i].length;
                                  i++;
                              }
                              if (i === textContentItemsStr.length) {
                                  console.error('Could not find a matching mapping');
                              }
                              var match = {
                                  begin: {
                                      divIdx: i,
                                      offset: matchIdx - iIndex
                                  }
                              };
                              if (matchesLength) {
                                  matchIdx += matchesLength[m];
                              } else {
                                  matchIdx += queryLen;
                              }
                              while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
                                  iIndex += textContentItemsStr[i].length;
                                  i++;
                              }
                              match.end = {
                                  divIdx: i,
                                  offset: matchIdx - iIndex
                              };
                              ret.push(match);
                          }
                          return ret;
                      }
                  }, {
                      key: 'renderMatches',
                      value: function renderMatches(matches) {
                          if (matches.length === 0) {
                              return;
                          }
                          var textContentItemsStr = this.textContentItemsStr;
                          var textDivs = this.textDivs;
                          var prevEnd = null;
                          var pageIdx = this.pageIdx;
                          var isSelectedPage = this.findController === null ? false : pageIdx === this.findController.selected.pageIdx;
                          var selectedMatchIdx = this.findController === null ? -1 : this.findController.selected.matchIdx;
                          var highlightAll = this.findController === null ? false : this.findController.state.highlightAll;
                          var infinity = {
                              divIdx: -1,
                              offset: undefined
                          };
                          function beginText(begin, className) {
                              var divIdx = begin.divIdx;
                              textDivs[divIdx].textContent = '';
                              appendTextToDiv(divIdx, 0, begin.offset, className);
                          }
                          function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
                              var div = textDivs[divIdx];
                              var content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
                              var node = document.createTextNode(content);
                              if (className) {
                                  var span = document.createElement('span');
                                  span.className = className;
                                  span.appendChild(node);
                                  div.appendChild(span);
                                  return;
                              }
                              div.appendChild(node);
                          }
                          var i0 = selectedMatchIdx,
                              i1 = i0 + 1;
                          if (highlightAll) {
                              i0 = 0;
                              i1 = matches.length;
                          } else if (!isSelectedPage) {
                              return;
                          }
                          for (var i = i0; i < i1; i++) {
                              var match = matches[i];
                              var begin = match.begin;
                              var end = match.end;
                              var isSelected = isSelectedPage && i === selectedMatchIdx;
                              var highlightSuffix = isSelected ? ' selected' : '';
                              if (this.findController) {
                                  this.findController.updateMatchPosition(pageIdx, i, textDivs, begin.divIdx);
                              }
                              if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
                                  if (prevEnd !== null) {
                                      appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
                                  }
                                  beginText(begin);
                              } else {
                                  appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
                              }
                              if (begin.divIdx === end.divIdx) {
                                  appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix);
                              } else {
                                  appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix);
                                  for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
                                      textDivs[n0].className = 'highlight middle' + highlightSuffix;
                                  }
                                  beginText(end, 'highlight end' + highlightSuffix);
                              }
                              prevEnd = end;
                          }
                          if (prevEnd) {
                              appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
                          }
                      }
                  }, {
                      key: 'updateMatches',
                      value: function updateMatches() {
                          if (!this.renderingDone) {
                              return;
                          }
                          var matches = this.matches;
                          var textDivs = this.textDivs;
                          var textContentItemsStr = this.textContentItemsStr;
                          var clearedUntilDivIdx = -1;
                          for (var i = 0, len = matches.length; i < len; i++) {
                              var match = matches[i];
                              var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
                              for (var n = begin, end = match.end.divIdx; n <= end; n++) {
                                  var div = textDivs[n];
                                  div.textContent = textContentItemsStr[n];
                                  div.className = '';
                              }
                              clearedUntilDivIdx = match.end.divIdx + 1;
                          }
                          if (this.findController === null || !this.findController.active) {
                              return;
                          }
                          var pageMatches = void 0,
                              pageMatchesLength = void 0;
                          if (this.findController !== null) {
                              pageMatches = this.findController.pageMatches[this.pageIdx] || null;
                              pageMatchesLength = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null;
                          }
                          this.matches = this.convertMatches(pageMatches, pageMatchesLength);
                          this.renderMatches(this.matches);
                      }
                  }, {
                      key: '_bindMouse',
                      value: function _bindMouse() {
                          var _this2 = this;
  
                          var div = this.textLayerDiv;
                          var expandDivsTimer = null;
                          div.addEventListener('mousedown', function (evt) {
                              if (_this2.enhanceTextSelection && _this2.textLayerRenderTask) {
                                  _this2.textLayerRenderTask.expandTextDivs(true);
                                  if (expandDivsTimer) {
                                      clearTimeout(expandDivsTimer);
                                      expandDivsTimer = null;
                                  }
                                  return;
                              }
                              var end = div.querySelector('.endOfContent');
                              if (!end) {
                                  return;
                              }
                              var adjustTop = evt.target !== div;
                              adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none';
                              if (adjustTop) {
                                  var divBounds = div.getBoundingClientRect();
                                  var r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
                                  end.style.top = (r * 100).toFixed(2) + '%';
                              }
                              end.classList.add('active');
                          });
                          div.addEventListener('mouseup', function () {
                              if (_this2.enhanceTextSelection && _this2.textLayerRenderTask) {
                                  expandDivsTimer = setTimeout(function () {
                                      if (_this2.textLayerRenderTask) {
                                          _this2.textLayerRenderTask.expandTextDivs(false);
                                      }
                                      expandDivsTimer = null;
                                  }, EXPAND_DIVS_TIMEOUT);
                                  return;
                              }
                              var end = div.querySelector('.endOfContent');
                              if (!end) {
                                  return;
                              }
                              end.style.top = '';
                              end.classList.remove('active');
                          });
                      }
                  }]);
  
                  return TextLayerBuilder;
              }();
  
              var DefaultTextLayerFactory = function () {
                  function DefaultTextLayerFactory() {
                      _classCallCheck(this, DefaultTextLayerFactory);
                  }
  
                  _createClass(DefaultTextLayerFactory, [{
                      key: 'createTextLayerBuilder',
                      value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
                          var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  
                          return new TextLayerBuilder({
                              textLayerDiv: textLayerDiv,
                              pageIndex: pageIndex,
                              viewport: viewport,
                              enhanceTextSelection: enhanceTextSelection
                          });
                      }
                  }]);
  
                  return DefaultTextLayerFactory;
              }();
  
              exports.TextLayerBuilder = TextLayerBuilder;
              exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
  
              /***/
  }),
  /* 29 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.SecondaryToolbar = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _base_viewer = __webpack_require__(25);
  
              var _pdf_cursor_tools = __webpack_require__(4);
  
              var _pdf_single_page_viewer = __webpack_require__(30);
  
              var _ui_utils = __webpack_require__(2);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var SecondaryToolbar = function () {
                  function SecondaryToolbar(options, mainContainer, eventBus) {
                      var _this = this;
  
                      _classCallCheck(this, SecondaryToolbar);
  
                      this.toolbar = options.toolbar;
                      this.toggleButton = options.toggleButton;
                      this.toolbarButtonContainer = options.toolbarButtonContainer;
                      this.buttons = [{
                          element: options.presentationModeButton,
                          eventName: 'presentationmode',
                          close: true
                      }, {
                          element: options.openFileButton,
                          eventName: 'openfile',
                          close: true
                      }, {
                          element: options.printButton,
                          eventName: 'print',
                          close: true
                      }, {
                          element: options.downloadButton,
                          eventName: 'download',
                          close: true
                      }, {
                          element: options.viewBookmarkButton,
                          eventName: null,
                          close: true
                      }, {
                          element: options.firstPageButton,
                          eventName: 'firstpage',
                          close: true
                      }, {
                          element: options.lastPageButton,
                          eventName: 'lastpage',
                          close: true
                      }, {
                          element: options.pageRotateCwButton,
                          eventName: 'rotatecw',
                          close: false
                      }, {
                          element: options.pageRotateCcwButton,
                          eventName: 'rotateccw',
                          close: false
                      }, {
                          element: options.cursorSelectToolButton,
                          eventName: 'switchcursortool',
                          eventDetails: { tool: _pdf_cursor_tools.CursorTool.SELECT },
                          close: true
                      }, {
                          element: options.cursorHandToolButton,
                          eventName: 'switchcursortool',
                          eventDetails: { tool: _pdf_cursor_tools.CursorTool.HAND },
                          close: true
                      }, {
                          element: options.scrollVerticalButton,
                          eventName: 'switchscrollmode',
                          eventDetails: { mode: _base_viewer.ScrollMode.VERTICAL },
                          close: true
                      }, {
                          element: options.scrollHorizontalButton,
                          eventName: 'switchscrollmode',
                          eventDetails: { mode: _base_viewer.ScrollMode.HORIZONTAL },
                          close: true
                      }, {
                          element: options.scrollWrappedButton,
                          eventName: 'switchscrollmode',
                          eventDetails: { mode: _base_viewer.ScrollMode.WRAPPED },
                          close: true
                      }, {
                          element: options.spreadNoneButton,
                          eventName: 'switchspreadmode',
                          eventDetails: { mode: _base_viewer.SpreadMode.NONE },
                          close: true
                      }, {
                          element: options.spreadOddButton,
                          eventName: 'switchspreadmode',
                          eventDetails: { mode: _base_viewer.SpreadMode.ODD },
                          close: true
                      }, {
                          element: options.spreadEvenButton,
                          eventName: 'switchspreadmode',
                          eventDetails: { mode: _base_viewer.SpreadMode.EVEN },
                          close: true
                      }, {
                          element: options.documentPropertiesButton,
                          eventName: 'documentproperties',
                          close: true
                      }];
                      this.items = {
                          firstPage: options.firstPageButton,
                          lastPage: options.lastPageButton,
                          pageRotateCw: options.pageRotateCwButton,
                          pageRotateCcw: options.pageRotateCcwButton
                      };
                      this.mainContainer = mainContainer;
                      this.eventBus = eventBus;
                      this.opened = false;
                      this.containerHeight = null;
                      this.previousContainerHeight = null;
                      this.reset();
                      this._bindClickListeners();
                      this._bindCursorToolsListener(options);
                      this._bindScrollModeListener(options);
                      this._bindSpreadModeListener(options);
                      this.eventBus.on('resize', this._setMaxHeight.bind(this));
                      this.eventBus.on('baseviewerinit', function (evt) {
                          if (evt.source instanceof _pdf_single_page_viewer.PDFSinglePageViewer) {
                              _this.toolbarButtonContainer.classList.add('hiddenScrollModeButtons');
                              _this.toolbarButtonContainer.classList.add('hiddenSpreadModeButtons');
                          } else {
                              _this.toolbarButtonContainer.classList.remove('hiddenScrollModeButtons');
                              _this.toolbarButtonContainer.classList.remove('hiddenSpreadModeButtons');
                          }
                      });
                  }
  
                  _createClass(SecondaryToolbar, [{
                      key: 'setPageNumber',
                      value: function setPageNumber(pageNumber) {
                          this.pageNumber = pageNumber;
                          this._updateUIState();
                      }
                  }, {
                      key: 'setPagesCount',
                      value: function setPagesCount(pagesCount) {
                          this.pagesCount = pagesCount;
                          this._updateUIState();
                      }
                  }, {
                      key: 'reset',
                      value: function reset() {
                          this.pageNumber = 0;
                          this.pagesCount = 0;
                          this._updateUIState();
                          this.eventBus.dispatch('secondarytoolbarreset', { source: this });
                      }
                  }, {
                      key: '_updateUIState',
                      value: function _updateUIState() {
                          this.items.firstPage.disabled = this.pageNumber <= 1;
                          this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
                          this.items.pageRotateCw.disabled = this.pagesCount === 0;
                          this.items.pageRotateCcw.disabled = this.pagesCount === 0;
                      }
                  }, {
                      key: '_bindClickListeners',
                      value: function _bindClickListeners() {
                          var _this2 = this;
  
                          this.toggleButton.addEventListener('click', this.toggle.bind(this));
  
                          var _loop = function _loop(button) {
                              var _buttons$button = _this2.buttons[button],
                                  element = _buttons$button.element,
                                  eventName = _buttons$button.eventName,
                                  close = _buttons$button.close,
                                  eventDetails = _buttons$button.eventDetails;
  
                              element.addEventListener('click', function (evt) {
                                  if (eventName !== null) {
                                      var details = { source: _this2 };
                                      for (var property in eventDetails) {
                                          details[property] = eventDetails[property];
                                      }
                                      _this2.eventBus.dispatch(eventName, details);
                                  }
                                  if (close) {
                                      _this2.close();
                                  }
                              });
                          };
  
                          for (var button in this.buttons) {
                              _loop(button);
                          }
                      }
                  }, {
                      key: '_bindCursorToolsListener',
                      value: function _bindCursorToolsListener(buttons) {
                          this.eventBus.on('cursortoolchanged', function (evt) {
                              buttons.cursorSelectToolButton.classList.remove('toggled');
                              buttons.cursorHandToolButton.classList.remove('toggled');
                              switch (evt.tool) {
                                  case _pdf_cursor_tools.CursorTool.SELECT:
                                      buttons.cursorSelectToolButton.classList.add('toggled');
                                      break;
                                  case _pdf_cursor_tools.CursorTool.HAND:
                                      buttons.cursorHandToolButton.classList.add('toggled');
                                      break;
                              }
                          });
                      }
                  }, {
                      key: '_bindScrollModeListener',
                      value: function _bindScrollModeListener(buttons) {
                          var _this3 = this;
  
                          function scrollModeChanged(evt) {
                              buttons.scrollVerticalButton.classList.remove('toggled');
                              buttons.scrollHorizontalButton.classList.remove('toggled');
                              buttons.scrollWrappedButton.classList.remove('toggled');
                              switch (evt.mode) {
                                  case _base_viewer.ScrollMode.VERTICAL:
                                      buttons.scrollVerticalButton.classList.add('toggled');
                                      break;
                                  case _base_viewer.ScrollMode.HORIZONTAL:
                                      buttons.scrollHorizontalButton.classList.add('toggled');
                                      break;
                                  case _base_viewer.ScrollMode.WRAPPED:
                                      buttons.scrollWrappedButton.classList.add('toggled');
                                      break;
                              }
                              var isScrollModeHorizontal = evt.mode === _base_viewer.ScrollMode.HORIZONTAL;
                              buttons.spreadNoneButton.disabled = isScrollModeHorizontal;
                              buttons.spreadOddButton.disabled = isScrollModeHorizontal;
                              buttons.spreadEvenButton.disabled = isScrollModeHorizontal;
                          }
                          this.eventBus.on('scrollmodechanged', scrollModeChanged);
                          this.eventBus.on('secondarytoolbarreset', function (evt) {
                              if (evt.source === _this3) {
                                  scrollModeChanged({ mode: _base_viewer.ScrollMode.VERTICAL });
                              }
                          });
                      }
                  }, {
                      key: '_bindSpreadModeListener',
                      value: function _bindSpreadModeListener(buttons) {
                          var _this4 = this;
  
                          function spreadModeChanged(evt) {
                              buttons.spreadNoneButton.classList.remove('toggled');
                              buttons.spreadOddButton.classList.remove('toggled');
                              buttons.spreadEvenButton.classList.remove('toggled');
                              switch (evt.mode) {
                                  case _base_viewer.SpreadMode.NONE:
                                      buttons.spreadNoneButton.classList.add('toggled');
                                      break;
                                  case _base_viewer.SpreadMode.ODD:
                                      buttons.spreadOddButton.classList.add('toggled');
                                      break;
                                  case _base_viewer.SpreadMode.EVEN:
                                      buttons.spreadEvenButton.classList.add('toggled');
                                      break;
                              }
                          }
                          this.eventBus.on('spreadmodechanged', spreadModeChanged);
                          this.eventBus.on('secondarytoolbarreset', function (evt) {
                              if (evt.source === _this4) {
                                  spreadModeChanged({ mode: _base_viewer.SpreadMode.NONE });
                              }
                          });
                      }
                  }, {
                      key: 'open',
                      value: function open() {
                          if (this.opened) {
                              return;
                          }
                          this.opened = true;
                          this._setMaxHeight();
                          this.toggleButton.classList.add('toggled');
                          this.toolbar.classList.remove('hidden');
                      }
                  }, {
                      key: 'close',
                      value: function close() {
                          if (!this.opened) {
                              return;
                          }
                          this.opened = false;
                          this.toolbar.classList.add('hidden');
                          this.toggleButton.classList.remove('toggled');
                      }
                  }, {
                      key: 'toggle',
                      value: function toggle() {
                          if (this.opened) {
                              this.close();
                          } else {
                              this.open();
                          }
                      }
                  }, {
                      key: '_setMaxHeight',
                      value: function _setMaxHeight() {
                          if (!this.opened) {
                              return;
                          }
                          this.containerHeight = this.mainContainer.clientHeight;
                          if (this.containerHeight === this.previousContainerHeight) {
                              return;
                          }
                          this.toolbarButtonContainer.setAttribute('style', 'max-height: ' + (this.containerHeight - _ui_utils.SCROLLBAR_PADDING) + 'px;');
                          this.previousContainerHeight = this.containerHeight;
                      }
                  }, {
                      key: 'isOpen',
                      get: function get() {
                          return this.opened;
                      }
                  }]);
  
                  return SecondaryToolbar;
              }();
  
              exports.SecondaryToolbar = SecondaryToolbar;
  
              /***/
  }),
  /* 30 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFSinglePageViewer = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _get = function get(object, property, receiver) { if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { return get(parent, property, receiver); } } else if ("value" in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } };
  
              var _base_viewer = __webpack_require__(25);
  
              var _ui_utils = __webpack_require__(2);
  
              var _pdfjsLib = __webpack_require__(3);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
              function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
              var PDFSinglePageViewer = function (_BaseViewer) {
                  _inherits(PDFSinglePageViewer, _BaseViewer);
  
                  function PDFSinglePageViewer(options) {
                      _classCallCheck(this, PDFSinglePageViewer);
  
                      var _this = _possibleConstructorReturn(this, (PDFSinglePageViewer.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer)).call(this, options));
  
                      _this.eventBus.on('pagesinit', function (evt) {
                          _this._ensurePageViewVisible();
                      });
                      return _this;
                  }
  
                  _createClass(PDFSinglePageViewer, [{
                      key: '_resetView',
                      value: function _resetView() {
                          _get(PDFSinglePageViewer.prototype.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer.prototype), '_resetView', this).call(this);
                          this._previousPageNumber = 1;
                          this._shadowViewer = document.createDocumentFragment();
                      }
                  }, {
                      key: '_ensurePageViewVisible',
                      value: function _ensurePageViewVisible() {
                          var pageView = this._pages[this._currentPageNumber - 1];
                          var previousPageView = this._pages[this._previousPageNumber - 1];
                          var viewerNodes = this.viewer.childNodes;
                          switch (viewerNodes.length) {
                              case 0:
                                  this.viewer.appendChild(pageView.div);
                                  break;
                              case 1:
                                  if (viewerNodes[0] !== previousPageView.div) {
                                      throw new Error('_ensurePageViewVisible: Unexpected previously visible page.');
                                  }
                                  if (pageView === previousPageView) {
                                      break;
                                  }
                                  this._shadowViewer.appendChild(previousPageView.div);
                                  this.viewer.appendChild(pageView.div);
                                  this.container.scrollTop = 0;
                                  break;
                              default:
                                  throw new Error('_ensurePageViewVisible: Only one page should be visible at a time.');
                          }
                          this._previousPageNumber = this._currentPageNumber;
                      }
                  }, {
                      key: '_scrollUpdate',
                      value: function _scrollUpdate() {
                          if (this._updateScrollDown) {
                              this._updateScrollDown();
                          }
                          _get(PDFSinglePageViewer.prototype.__proto__ || Object.getPrototypeOf(PDFSinglePageViewer.prototype), '_scrollUpdate', this).call(this);
                      }
                  }, {
                      key: '_scrollIntoView',
                      value: function _scrollIntoView(_ref) {
                          var _this2 = this;
  
                          var pageDiv = _ref.pageDiv,
                              _ref$pageSpot = _ref.pageSpot,
                              pageSpot = _ref$pageSpot === undefined ? null : _ref$pageSpot,
                              _ref$pageNumber = _ref.pageNumber,
                              pageNumber = _ref$pageNumber === undefined ? null : _ref$pageNumber;
  
                          if (pageNumber) {
                              this._setCurrentPageNumber(pageNumber);
                          }
                          var scrolledDown = this._currentPageNumber >= this._previousPageNumber;
                          var previousLocation = this._location;
                          this._ensurePageViewVisible();
                          (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
                          this._updateScrollDown = function () {
                              _this2.scroll.down = scrolledDown;
                              delete _this2._updateScrollDown;
                          };
                          setTimeout(function () {
                              if (_this2._location === previousLocation) {
                                  if (_this2._updateScrollDown) {
                                      _this2._updateScrollDown();
                                  }
                                  _this2.update();
                              }
                          }, 0);
                      }
                  }, {
                      key: '_getVisiblePages',
                      value: function _getVisiblePages() {
                          if (!this.pagesCount) {
                              return { views: [] };
                          }
                          var pageView = this._pages[this._currentPageNumber - 1];
                          var element = pageView.div;
                          var view = {
                              id: pageView.id,
                              x: element.offsetLeft + element.clientLeft,
                              y: element.offsetTop + element.clientTop,
                              view: pageView
                          };
                          return {
                              first: view,
                              last: view,
                              views: [view]
                          };
                      }
                  }, {
                      key: 'update',
                      value: function update() {
                          var visible = this._getVisiblePages();
                          var visiblePages = visible.views,
                              numVisiblePages = visiblePages.length;
                          if (numVisiblePages === 0) {
                              return;
                          }
                          this._resizeBuffer(numVisiblePages);
                          this.renderingQueue.renderHighestPriority(visible);
                          this._updateLocation(visible.first);
                          this.eventBus.dispatch('updateviewarea', {
                              source: this,
                              location: this._location
                          });
                      }
                  }, {
                      key: '_updateScrollMode',
                      value: function _updateScrollMode() { }
                  }, {
                      key: '_updateSpreadMode',
                      value: function _updateSpreadMode() { }
                  }, {
                      key: '_setDocumentViewerElement',
                      get: function get() {
                          return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this._shadowViewer);
                      }
                  }, {
                      key: '_isScrollModeHorizontal',
                      get: function get() {
                          return (0, _pdfjsLib.shadow)(this, '_isScrollModeHorizontal', false);
                      }
                  }]);
  
                  return PDFSinglePageViewer;
              }(_base_viewer.BaseViewer);
  
              exports.PDFSinglePageViewer = PDFSinglePageViewer;
  
              /***/
  }),
  /* 31 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.Toolbar = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _ui_utils = __webpack_require__(2);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
              var SCALE_SELECT_CONTAINER_PADDING = 8;
              var SCALE_SELECT_PADDING = 22;
  
              var Toolbar = function () {
                  function Toolbar(options, mainContainer, eventBus) {
                      var l10n = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _ui_utils.NullL10n;
  
                      _classCallCheck(this, Toolbar);
  
                      this.toolbar = options.container;
                      this.mainContainer = mainContainer;
                      this.eventBus = eventBus;
                      this.l10n = l10n;
                      this.items = options;
                      this._wasLocalized = false;
                      this.reset();
                      this._bindListeners();
                  }
  
                  _createClass(Toolbar, [{
                      key: 'setPageNumber',
                      value: function setPageNumber(pageNumber, pageLabel) {
                          this.pageNumber = pageNumber;
                          this.pageLabel = pageLabel;
                          this._updateUIState(false);
                      }
                  }, {
                      key: 'setPagesCount',
                      value: function setPagesCount(pagesCount, hasPageLabels) {
                          this.pagesCount = pagesCount;
                          this.hasPageLabels = hasPageLabels;
                          this._updateUIState(true);
                      }
                  }, {
                      key: 'setPageScale',
                      value: function setPageScale(pageScaleValue, pageScale) {
                          this.pageScaleValue = pageScaleValue;
                          this.pageScale = pageScale;
                          this._updateUIState(false);
                      }
                  }, {
                      key: 'reset',
                      value: function reset() {
                          this.pageNumber = 0;
                          this.pageLabel = null;
                          this.hasPageLabels = false;
                          this.pagesCount = 0;
                          this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
                          this.pageScale = _ui_utils.DEFAULT_SCALE;
                          this._updateUIState(true);
                      }
                  }, {
                      key: '_bindListeners',
                      value: function _bindListeners() {
                          var _this = this;
  
                          var eventBus = this.eventBus,
                              items = this.items;
  
                          var self = this;
                          items.previous.addEventListener('click', function () {
                              eventBus.dispatch('previouspage');
                          });
                          items.next.addEventListener('click', function () {
                              eventBus.dispatch('nextpage');
                          });
                          items.zoomIn.addEventListener('click', function () {
                              eventBus.dispatch('zoomin');
                          });
                          items.zoomOut.addEventListener('click', function () {
                              eventBus.dispatch('zoomout');
                          });
                          items.pageNumber.addEventListener('click', function () {
                              this.select();
                          });
                          items.pageNumber.addEventListener('change', function () {
                              eventBus.dispatch('pagenumberchanged', {
                                  source: self,
                                  value: this.value
                              });
                          });
                          items.scaleSelect.addEventListener('change', function () {
                              if (this.value === 'custom') {
                                  return;
                              }
                              eventBus.dispatch('scalechanged', {
                                  source: self,
                                  value: this.value
                              });
                          });
                          items.presentationModeButton.addEventListener('click', function () {
                              eventBus.dispatch('presentationmode');
                          });
                          items.openFile.addEventListener('click', function () {
                              eventBus.dispatch('openfile');
                          });
                          items.print.addEventListener('click', function () {
                              eventBus.dispatch('print');
                          });
                          items.download.addEventListener('click', function () {
                              eventBus.dispatch('download');
                          });
                          items.scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
                          eventBus.on('localized', function () {
                              _this._localized();
                          });
                      }
                  }, {
                      key: '_localized',
                      value: function _localized() {
                          this._wasLocalized = true;
                          this._adjustScaleWidth();
                          this._updateUIState(true);
                      }
                  }, {
                      key: '_updateUIState',
                      value: function _updateUIState() {
                          var resetNumPages = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
                          if (!this._wasLocalized) {
                              return;
                          }
                          var pageNumber = this.pageNumber,
                              pagesCount = this.pagesCount,
                              items = this.items;
  
                          var scaleValue = (this.pageScaleValue || this.pageScale).toString();
                          var scale = this.pageScale;
                          if (resetNumPages) {
                              if (this.hasPageLabels) {
                                  items.pageNumber.type = 'text';
                              } else {
                                  items.pageNumber.type = 'number';
                                  this.l10n.get('of_pages', { pagesCount: pagesCount }, 'of {{pagesCount}}').then(function (msg) {
                                      items.numPages.textContent = msg;
                                  });
                              }
                              items.pageNumber.max = pagesCount;
                          }
                          if (this.hasPageLabels) {
                              items.pageNumber.value = this.pageLabel;
                              this.l10n.get('page_of_pages', {
                                  pageNumber: pageNumber,
                                  pagesCount: pagesCount
                              }, '({{pageNumber}} of {{pagesCount}})').then(function (msg) {
                                  items.numPages.textContent = msg;
                              });
                          } else {
                              items.pageNumber.value = pageNumber;
                          }
                          items.previous.disabled = pageNumber <= 1;
                          items.next.disabled = pageNumber >= pagesCount;
                          items.zoomOut.disabled = scale <= _ui_utils.MIN_SCALE;
                          items.zoomIn.disabled = scale >= _ui_utils.MAX_SCALE;
                          var customScale = Math.round(scale * 10000) / 100;
                          this.l10n.get('page_scale_percent', { scale: customScale }, '{{scale}}%').then(function (msg) {
                              var options = items.scaleSelect.options;
                              var predefinedValueFound = false;
                              for (var i = 0, ii = options.length; i < ii; i++) {
                                  var option = options[i];
                                  if (option.value !== scaleValue) {
                                      option.selected = false;
                                      continue;
                                  }
                                  option.selected = true;
                                  predefinedValueFound = true;
                              }
                              if (!predefinedValueFound) {
                                  items.customScaleOption.textContent = msg;
                                  items.customScaleOption.selected = true;
                              }
                          });
                      }
                  }, {
                      key: 'updateLoadingIndicatorState',
                      value: function updateLoadingIndicatorState() {
                          var loading = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
                          var pageNumberInput = this.items.pageNumber;
                          if (loading) {
                              pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
                          } else {
                              pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
                          }
                      }
                  }, {
                      key: '_adjustScaleWidth',
                      value: function _adjustScaleWidth() {
                          var container = this.items.scaleSelectContainer;
                          var select = this.items.scaleSelect;
                          _ui_utils.animationStarted.then(function () {
                              if (container.clientWidth === 0) {
                                  container.setAttribute('style', 'display: inherit;');
                              }
                              if (container.clientWidth > 0) {
                                  select.setAttribute('style', 'min-width: inherit;');
                                  var width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING;
                                  select.setAttribute('style', 'min-width: ' + (width + SCALE_SELECT_PADDING) + 'px;');
                                  container.setAttribute('style', 'min-width: ' + width + 'px; ' + 'max-width: ' + width + 'px;');
                              }
                          });
                      }
                  }]);
  
                  return Toolbar;
              }();
  
              exports.Toolbar = Toolbar;
  
              /***/
  }),
  /* 32 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
  
              var ViewHistory = function () {
                  function ViewHistory(fingerprint) {
                      var _this = this;
  
                      var cacheSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_VIEW_HISTORY_CACHE_SIZE;
  
                      _classCallCheck(this, ViewHistory);
  
                      this.fingerprint = fingerprint;
                      this.cacheSize = cacheSize;
                      this._initializedPromise = this._readFromStorage().then(function (databaseStr) {
                          var database = JSON.parse(databaseStr || '{}');
                          if (!('files' in database)) {
                              database.files = [];
                          } else {
                              while (database.files.length >= _this.cacheSize) {
                                  database.files.shift();
                              }
                          }
                          var index = -1;
                          for (var i = 0, length = database.files.length; i < length; i++) {
                              var branch = database.files[i];
                              if (branch.fingerprint === _this.fingerprint) {
                                  index = i;
                                  break;
                              }
                          }
                          if (index === -1) {
                              index = database.files.push({ fingerprint: _this.fingerprint }) - 1;
                          }
                          _this.file = database.files[index];
                          _this.database = database;
                      });
                  }
  
                  _createClass(ViewHistory, [{
                      key: '_writeToStorage',
                      value: function _writeToStorage() {
                          var _this2 = this;
  
                          return new Promise(function (resolve) {
                              var databaseStr = JSON.stringify(_this2.database);
                              localStorage.setItem('pdfjs.history', databaseStr);
                              resolve();
                          });
                      }
                  }, {
                      key: '_readFromStorage',
                      value: function _readFromStorage() {
                          return new Promise(function (resolve) {
                              resolve(localStorage.getItem('pdfjs.history'));
                          });
                      }
                  }, {
                      key: 'set',
                      value: function set(name, val) {
                          var _this3 = this;
  
                          return this._initializedPromise.then(function () {
                              _this3.file[name] = val;
                              return _this3._writeToStorage();
                          });
                      }
                  }, {
                      key: 'setMultiple',
                      value: function setMultiple(properties) {
                          var _this4 = this;
  
                          return this._initializedPromise.then(function () {
                              for (var name in properties) {
                                  _this4.file[name] = properties[name];
                              }
                              return _this4._writeToStorage();
                          });
                      }
                  }, {
                      key: 'get',
                      value: function get(name, defaultValue) {
                          var _this5 = this;
  
                          return this._initializedPromise.then(function () {
                              var val = _this5.file[name];
                              return val !== undefined ? val : defaultValue;
                          });
                      }
                  }, {
                      key: 'getMultiple',
                      value: function getMultiple(properties) {
                          var _this6 = this;
  
                          return this._initializedPromise.then(function () {
                              var values = Object.create(null);
                              for (var name in properties) {
                                  var val = _this6.file[name];
                                  values[name] = val !== undefined ? val : properties[name];
                              }
                              return values;
                          });
                      }
                  }]);
  
                  return ViewHistory;
              }();
  
              exports.ViewHistory = ViewHistory;
  
              /***/
  }),
  /* 33 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.GenericCom = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _app = __webpack_require__(1);
  
              var _preferences = __webpack_require__(34);
  
              var _download_manager = __webpack_require__(35);
  
              var _genericl10n = __webpack_require__(36);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
              function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
              ;
              var GenericCom = {};
  
              var GenericPreferences = function (_BasePreferences) {
                  _inherits(GenericPreferences, _BasePreferences);
  
                  function GenericPreferences() {
                      _classCallCheck(this, GenericPreferences);
  
                      return _possibleConstructorReturn(this, (GenericPreferences.__proto__ || Object.getPrototypeOf(GenericPreferences)).apply(this, arguments));
                  }
  
                  _createClass(GenericPreferences, [{
                      key: '_writeToStorage',
                      value: function _writeToStorage(prefObj) {
                          return new Promise(function (resolve) {
                              localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj));
                              resolve();
                          });
                      }
                  }, {
                      key: '_readFromStorage',
                      value: function _readFromStorage(prefObj) {
                          return new Promise(function (resolve) {
                              var readPrefs = JSON.parse(localStorage.getItem('pdfjs.preferences'));
                              resolve(readPrefs);
                          });
                      }
                  }]);
  
                  return GenericPreferences;
              }(_preferences.BasePreferences);
  
              var GenericExternalServices = Object.create(_app.DefaultExternalServices);
              GenericExternalServices.createDownloadManager = function (options) {
                  return new _download_manager.DownloadManager(options);
              };
              GenericExternalServices.createPreferences = function () {
                  return new GenericPreferences();
              };
              GenericExternalServices.createL10n = function (_ref) {
                  var _ref$locale = _ref.locale,
                      locale = _ref$locale === undefined ? 'en-US' : _ref$locale;
  
                  return new _genericl10n.GenericL10n(locale);
              };
              _app.PDFViewerApplication.externalServices = GenericExternalServices;
              exports.GenericCom = GenericCom;
  
              /***/
  }),
  /* 34 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
  
              var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var defaultPreferences = null;
              function getDefaultPreferences() {
                  if (!defaultPreferences) {
                      defaultPreferences = Promise.resolve({
                          "showPreviousViewOnLoad": true,
                          "defaultZoomValue": "",
                          "sidebarViewOnLoad": 0,
                          "cursorToolOnLoad": 0,
                          "enableWebGL": false,
                          "pdfBugEnabled": false,
                          "disableRange": false,
                          "disableStream": false,
                          "disableAutoFetch": false,
                          "disableFontFace": false,
                          "textLayerMode": 1,
                          "useOnlyCssZoom": false,
                          "externalLinkTarget": 0,
                          "renderer": "canvas",
                          "renderInteractiveForms": false,
                          "enablePrintAutoRotate": false,
                          "disablePageMode": false,
                          "disablePageLabels": false,
                          "scrollModeOnLoad": 0,
                          "spreadModeOnLoad": 0
                      });
                  }
                  return defaultPreferences;
              }
  
              var BasePreferences = function () {
                  function BasePreferences() {
                      var _this = this;
  
                      _classCallCheck(this, BasePreferences);
  
                      if (this.constructor === BasePreferences) {
                          throw new Error('Cannot initialize BasePreferences.');
                      }
                      this.prefs = null;
                      this._initializedPromise = getDefaultPreferences().then(function (defaults) {
                          Object.defineProperty(_this, 'defaults', {
                              value: Object.freeze(defaults),
                              writable: false,
                              enumerable: true,
                              configurable: false
                          });
                          _this.prefs = Object.assign(Object.create(null), defaults);
                          return _this._readFromStorage(defaults);
                      }).then(function (prefs) {
                          if (!prefs) {
                              return;
                          }
                          for (var name in prefs) {
                              var defaultValue = _this.defaults[name],
                                  prefValue = prefs[name];
                              if (defaultValue === undefined || (typeof prefValue === "undefined" ? "undefined" : _typeof(prefValue)) !== (typeof defaultValue === "undefined" ? "undefined" : _typeof(defaultValue))) {
                                  continue;
                              }
                              _this.prefs[name] = prefValue;
                          }
                      });
                  }
  
                  _createClass(BasePreferences, [{
                      key: "_writeToStorage",
                      value: function _writeToStorage(prefObj) {
                          return Promise.reject(new Error('Not implemented: _writeToStorage'));
                      }
                  }, {
                      key: "_readFromStorage",
                      value: function _readFromStorage(prefObj) {
                          return Promise.reject(new Error('Not implemented: _readFromStorage'));
                      }
                  }, {
                      key: "reset",
                      value: function reset() {
                          var _this2 = this;
  
                          return this._initializedPromise.then(function () {
                              _this2.prefs = Object.assign(Object.create(null), _this2.defaults);
                              return _this2._writeToStorage(_this2.defaults);
                          });
                      }
                  }, {
                      key: "set",
                      value: function set(name, value) {
                          var _this3 = this;
  
                          return this._initializedPromise.then(function () {
                              if (_this3.defaults[name] === undefined) {
                                  throw new Error("Set preference: \"" + name + "\" is undefined.");
                              } else if (value === undefined) {
                                  throw new Error('Set preference: no value is specified.');
                              }
                              var valueType = typeof value === "undefined" ? "undefined" : _typeof(value);
                              var defaultType = _typeof(_this3.defaults[name]);
                              if (valueType !== defaultType) {
                                  if (valueType === 'number' && defaultType === 'string') {
                                      value = value.toString();
                                  } else {
                                      throw new Error("Set preference: \"" + value + "\" is a " + valueType + ", " + ("expected a " + defaultType + "."));
                                  }
                              } else {
                                  if (valueType === 'number' && !Number.isInteger(value)) {
                                      throw new Error("Set preference: \"" + value + "\" must be an integer.");
                                  }
                              }
                              _this3.prefs[name] = value;
                              return _this3._writeToStorage(_this3.prefs);
                          });
                      }
                  }, {
                      key: "get",
                      value: function get(name) {
                          var _this4 = this;
  
                          return this._initializedPromise.then(function () {
                              var defaultValue = _this4.defaults[name];
                              if (defaultValue === undefined) {
                                  throw new Error("Get preference: \"" + name + "\" is undefined.");
                              } else {
                                  var prefValue = _this4.prefs[name];
                                  if (prefValue !== undefined) {
                                      return prefValue;
                                  }
                              }
                              return defaultValue;
                          });
                      }
                  }, {
                      key: "getAll",
                      value: function getAll() {
                          var _this5 = this;
  
                          return this._initializedPromise.then(function () {
                              return Object.assign(Object.create(null), _this5.defaults, _this5.prefs);
                          });
                      }
                  }]);
  
                  return BasePreferences;
              }();
  
              exports.BasePreferences = BasePreferences;
  
              /***/
  }),
  /* 35 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.DownloadManager = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              var _pdfjsLib = __webpack_require__(3);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              ;
              var DISABLE_CREATE_OBJECT_URL = _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL || false;
              function _download(blobUrl, filename) {
                  var a = document.createElement('a');
                  if (!a.click) {
                      throw new Error('DownloadManager: "a.click()" is not supported.');
                  }
                  a.href = blobUrl;
                  a.target = '_parent';
                  if ('download' in a) {
                      a.download = filename;
                  }
                  (document.body || document.documentElement).appendChild(a);
                  a.click();
                  a.remove();
              }
  
              var DownloadManager = function () {
                  function DownloadManager(_ref) {
                      var _ref$disableCreateObj = _ref.disableCreateObjectURL,
                          disableCreateObjectURL = _ref$disableCreateObj === undefined ? DISABLE_CREATE_OBJECT_URL : _ref$disableCreateObj;
  
                      _classCallCheck(this, DownloadManager);
  
                      this.disableCreateObjectURL = disableCreateObjectURL;
                  }
  
                  _createClass(DownloadManager, [{
                      key: 'downloadUrl',
                      value: function downloadUrl(url, filename) {
                          if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, 'http://example.com')) {
                              return;
                          }
                          _download(url + '#pdfjs.action=download', filename);
                      }
                  }, {
                      key: 'downloadData',
                      value: function downloadData(data, filename, contentType) {
                          if (navigator.msSaveBlob) {
                              return navigator.msSaveBlob(new Blob([data], { type: contentType }), filename);
                          }
                          var blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, this.disableCreateObjectURL);
                          _download(blobUrl, filename);
                      }
                  }, {
                      key: 'download',
                      value: function download(blob, url, filename) {
                          if (navigator.msSaveBlob) {
                              if (!navigator.msSaveBlob(blob, filename)) {
                                  this.downloadUrl(url, filename);
                              }
                              return;
                          }
                          if (this.disableCreateObjectURL) {
                              this.downloadUrl(url, filename);
                              return;
                          }
                          var blobUrl = _pdfjsLib.URL.createObjectURL(blob);
                          _download(blobUrl, filename);
                      }
                  }]);
  
                  return DownloadManager;
              }();
  
              exports.DownloadManager = DownloadManager;
  
              /***/
  }),
  /* 36 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.GenericL10n = undefined;
  
              var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
  
              __webpack_require__(37);
  
              function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
              var webL10n = document.webL10n;
  
              var GenericL10n = function () {
                  function GenericL10n(lang) {
                      _classCallCheck(this, GenericL10n);
  
                      this._lang = lang;
                      this._ready = new Promise(function (resolve, reject) {
                          webL10n.setLanguage(lang, function () {
                              resolve(webL10n);
                          });
                      });
                  }
  
                  _createClass(GenericL10n, [{
                      key: 'getLanguage',
                      value: function getLanguage() {
                          return this._ready.then(function (l10n) {
                              return l10n.getLanguage();
                          });
                      }
                  }, {
                      key: 'getDirection',
                      value: function getDirection() {
                          return this._ready.then(function (l10n) {
                              return l10n.getDirection();
                          });
                      }
                  }, {
                      key: 'get',
                      value: function get(property, args, fallback) {
                          return this._ready.then(function (l10n) {
                              return l10n.get(property, args, fallback);
                          });
                      }
                  }, {
                      key: 'translate',
                      value: function translate(element) {
                          return this._ready.then(function (l10n) {
                              return l10n.translate(element);
                          });
                      }
                  }]);
  
                  return GenericL10n;
              }();
  
              exports.GenericL10n = GenericL10n;
  
              /***/
  }),
  /* 37 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              document.webL10n = function (window, document, undefined) {
                  var gL10nData = {};
                  var gTextData = '';
                  var gTextProp = 'textContent';
                  var gLanguage = '';
                  var gMacros = {};
                  var gReadyState = 'loading';
                  var gAsyncResourceLoading = true;
                  function getL10nResourceLinks() {
                      return document.querySelectorAll('link[type="application/l10n"]');
                  }
                  function getL10nDictionary() {
                      var script = document.querySelector('script[type="application/l10n"]');
                      return script ? JSON.parse(script.innerHTML) : null;
                  }
                  function getTranslatableChildren(element) {
                      return element ? element.querySelectorAll('*[data-l10n-id]') : [];
                  }
                  function getL10nAttributes(element) {
                      if (!element) return {};
                      var l10nId = element.getAttribute('data-l10n-id');
                      var l10nArgs = element.getAttribute('data-l10n-args');
                      var args = {};
                      if (l10nArgs) {
                          try {
                              args = JSON.parse(l10nArgs);
                          } catch (e) {
                              console.warn('could not parse arguments for #' + l10nId);
                          }
                      }
                      return {
                          id: l10nId,
                          args: args
                      };
                  }
                  function fireL10nReadyEvent(lang) {
                      var evtObject = document.createEvent('Event');
                      evtObject.initEvent('localized', true, false);
                      evtObject.language = lang;
                      document.dispatchEvent(evtObject);
                  }
                  function xhrLoadText(url, onSuccess, onFailure) {
                      onSuccess = onSuccess || function _onSuccess(data) { };
                      onFailure = onFailure || function _onFailure() { };
                      var xhr = new XMLHttpRequest();
                      xhr.open('GET', url, gAsyncResourceLoading);
                      if (xhr.overrideMimeType) {
                          xhr.overrideMimeType('text/plain; charset=utf-8');
                      }
                      xhr.onreadystatechange = function () {
                          if (xhr.readyState == 4) {
                              if (xhr.status == 200 || xhr.status === 0) {
                                  onSuccess(xhr.responseText);
                              } else {
                                  onFailure();
                              }
                          }
                      };
                      xhr.onerror = onFailure;
                      xhr.ontimeout = onFailure;
                      try {
                          xhr.send(null);
                      } catch (e) {
                          onFailure();
                      }
                  }
                  function parseResource(href, lang, successCallback, failureCallback) {
                      var baseURL = href.replace(/[^\/]*$/, '') || './';
                      function evalString(text) {
                          if (text.lastIndexOf('\\') < 0) return text;
                          return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
                      }
                      function parseProperties(text, parsedPropertiesCallback) {
                          var dictionary = {};
                          var reBlank = /^\s*|\s*$/;
                          var reComment = /^\s*#|^\s*$/;
                          var reSection = /^\s*\[(.*)\]\s*$/;
                          var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
                          var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
                          function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
                              var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
                              var currentLang = '*';
                              var genericLang = lang.split('-', 1)[0];
                              var skipLang = false;
                              var match = '';
                              function nextEntry() {
                                  while (true) {
                                      if (!entries.length) {
                                          parsedRawLinesCallback();
                                          return;
                                      }
                                      var line = entries.shift();
                                      if (reComment.test(line)) continue;
                                      if (extendedSyntax) {
                                          match = reSection.exec(line);
                                          if (match) {
                                              currentLang = match[1].toLowerCase();
                                              skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
                                              continue;
                                          } else if (skipLang) {
                                              continue;
                                          }
                                          match = reImport.exec(line);
                                          if (match) {
                                              loadImport(baseURL + match[1], nextEntry);
                                              return;
                                          }
                                      }
                                      var tmp = line.match(reSplit);
                                      if (tmp && tmp.length == 3) {
                                          dictionary[tmp[1]] = evalString(tmp[2]);
                                      }
                                  }
                              }
                              nextEntry();
                          }
                          function loadImport(url, callback) {
                              xhrLoadText(url, function (content) {
                                  parseRawLines(content, false, callback);
                              }, function () {
                                  console.warn(url + ' not found.');
                                  callback();
                              });
                          }
                          parseRawLines(text, true, function () {
                              parsedPropertiesCallback(dictionary);
                          });
                      }
                      xhrLoadText(href, function (response) {
                          gTextData += response;
                          parseProperties(response, function (data) {
                              for (var key in data) {
                                  var id,
                                      prop,
                                      index = key.lastIndexOf('.');
                                  if (index > 0) {
                                      id = key.substring(0, index);
                                      prop = key.substr(index + 1);
                                  } else {
                                      id = key;
                                      prop = gTextProp;
                                  }
                                  if (!gL10nData[id]) {
                                      gL10nData[id] = {};
                                  }
                                  gL10nData[id][prop] = data[key];
                              }
                              if (successCallback) {
                                  successCallback();
                              }
                          });
                      }, failureCallback);
                  }
                  function loadLocale(lang, callback) {
                      if (lang) {
                          lang = lang.toLowerCase();
                      }
                      callback = callback || function _callback() { };
                      clear();
                      gLanguage = lang;
                      var langLinks = getL10nResourceLinks();
                      var langCount = langLinks.length;
                      if (langCount === 0) {
                          var dict = getL10nDictionary();
                          if (dict && dict.locales && dict.default_locale) {
                              console.log('using the embedded JSON directory, early way out');
                              gL10nData = dict.locales[lang];
                              if (!gL10nData) {
                                  var defaultLocale = dict.default_locale.toLowerCase();
                                  for (var anyCaseLang in dict.locales) {
                                      anyCaseLang = anyCaseLang.toLowerCase();
                                      if (anyCaseLang === lang) {
                                          gL10nData = dict.locales[lang];
                                          break;
                                      } else if (anyCaseLang === defaultLocale) {
                                          gL10nData = dict.locales[defaultLocale];
                                      }
                                  }
                              }
                              callback();
                          } else {
                              console.log('no resource to load, early way out');
                          }
                          fireL10nReadyEvent(lang);
                          gReadyState = 'complete';
                          return;
                      }
                      var onResourceLoaded = null;
                      var gResourceCount = 0;
                      onResourceLoaded = function onResourceLoaded() {
                          gResourceCount++;
                          if (gResourceCount >= langCount) {
                              callback();
                              fireL10nReadyEvent(lang);
                              gReadyState = 'complete';
                          }
                      };
                      function L10nResourceLink(link) {
                          var href = link.href;
                          this.load = function (lang, callback) {
                              parseResource(href, lang, callback, function () {
                                  console.warn(href + ' not found.');
                                  console.warn('"' + lang + '" resource not found');
                                  gLanguage = '';
                                  callback();
                              });
                          };
                      }
                      for (var i = 0; i < langCount; i++) {
                          var resource = new L10nResourceLink(langLinks[i]);
                          resource.load(lang, onResourceLoaded);
                      }
                  }
                  function clear() {
                      gL10nData = {};
                      gTextData = '';
                      gLanguage = '';
                  }
                  function getPluralRules(lang) {
                      var locales2rules = {
                          'af': 3,
                          'ak': 4,
                          'am': 4,
                          'ar': 1,
                          'asa': 3,
                          'az': 0,
                          'be': 11,
                          'bem': 3,
                          'bez': 3,
                          'bg': 3,
                          'bh': 4,
                          'bm': 0,
                          'bn': 3,
                          'bo': 0,
                          'br': 20,
                          'brx': 3,
                          'bs': 11,
                          'ca': 3,
                          'cgg': 3,
                          'chr': 3,
                          'cs': 12,
                          'cy': 17,
                          'da': 3,
                          'de': 3,
                          'dv': 3,
                          'dz': 0,
                          'ee': 3,
                          'el': 3,
                          'en': 3,
                          'eo': 3,
                          'es': 3,
                          'et': 3,
                          'eu': 3,
                          'fa': 0,
                          'ff': 5,
                          'fi': 3,
                          'fil': 4,
                          'fo': 3,
                          'fr': 5,
                          'fur': 3,
                          'fy': 3,
                          'ga': 8,
                          'gd': 24,
                          'gl': 3,
                          'gsw': 3,
                          'gu': 3,
                          'guw': 4,
                          'gv': 23,
                          'ha': 3,
                          'haw': 3,
                          'he': 2,
                          'hi': 4,
                          'hr': 11,
                          'hu': 0,
                          'id': 0,
                          'ig': 0,
                          'ii': 0,
                          'is': 3,
                          'it': 3,
                          'iu': 7,
                          'ja': 0,
                          'jmc': 3,
                          'jv': 0,
                          'ka': 0,
                          'kab': 5,
                          'kaj': 3,
                          'kcg': 3,
                          'kde': 0,
                          'kea': 0,
                          'kk': 3,
                          'kl': 3,
                          'km': 0,
                          'kn': 0,
                          'ko': 0,
                          'ksb': 3,
                          'ksh': 21,
                          'ku': 3,
                          'kw': 7,
                          'lag': 18,
                          'lb': 3,
                          'lg': 3,
                          'ln': 4,
                          'lo': 0,
                          'lt': 10,
                          'lv': 6,
                          'mas': 3,
                          'mg': 4,
                          'mk': 16,
                          'ml': 3,
                          'mn': 3,
                          'mo': 9,
                          'mr': 3,
                          'ms': 0,
                          'mt': 15,
                          'my': 0,
                          'nah': 3,
                          'naq': 7,
                          'nb': 3,
                          'nd': 3,
                          'ne': 3,
                          'nl': 3,
                          'nn': 3,
                          'no': 3,
                          'nr': 3,
                          'nso': 4,
                          'ny': 3,
                          'nyn': 3,
                          'om': 3,
                          'or': 3,
                          'pa': 3,
                          'pap': 3,
                          'pl': 13,
                          'ps': 3,
                          'pt': 3,
                          'rm': 3,
                          'ro': 9,
                          'rof': 3,
                          'ru': 11,
                          'rwk': 3,
                          'sah': 0,
                          'saq': 3,
                          'se': 7,
                          'seh': 3,
                          'ses': 0,
                          'sg': 0,
                          'sh': 11,
                          'shi': 19,
                          'sk': 12,
                          'sl': 14,
                          'sma': 7,
                          'smi': 7,
                          'smj': 7,
                          'smn': 7,
                          'sms': 7,
                          'sn': 3,
                          'so': 3,
                          'sq': 3,
                          'sr': 11,
                          'ss': 3,
                          'ssy': 3,
                          'st': 3,
                          'sv': 3,
                          'sw': 3,
                          'syr': 3,
                          'ta': 3,
                          'te': 3,
                          'teo': 3,
                          'th': 0,
                          'ti': 4,
                          'tig': 3,
                          'tk': 3,
                          'tl': 4,
                          'tn': 3,
                          'to': 0,
                          'tr': 0,
                          'ts': 3,
                          'tzm': 22,
                          'uk': 11,
                          'ur': 3,
                          've': 3,
                          'vi': 0,
                          'vun': 3,
                          'wa': 4,
                          'wae': 3,
                          'wo': 0,
                          'xh': 3,
                          'xog': 3,
                          'yo': 0,
                          'zh': 0,
                          'zu': 3
                      };
                      function isIn(n, list) {
                          return list.indexOf(n) !== -1;
                      }
                      function isBetween(n, start, end) {
                          return start <= n && n <= end;
                      }
                      var pluralRules = {
                          '0': function _(n) {
                              return 'other';
                          },
                          '1': function _(n) {
                              if (isBetween(n % 100, 3, 10)) return 'few';
                              if (n === 0) return 'zero';
                              if (isBetween(n % 100, 11, 99)) return 'many';
                              if (n == 2) return 'two';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '2': function _(n) {
                              if (n !== 0 && n % 10 === 0) return 'many';
                              if (n == 2) return 'two';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '3': function _(n) {
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '4': function _(n) {
                              if (isBetween(n, 0, 1)) return 'one';
                              return 'other';
                          },
                          '5': function _(n) {
                              if (isBetween(n, 0, 2) && n != 2) return 'one';
                              return 'other';
                          },
                          '6': function _(n) {
                              if (n === 0) return 'zero';
                              if (n % 10 == 1 && n % 100 != 11) return 'one';
                              return 'other';
                          },
                          '7': function _(n) {
                              if (n == 2) return 'two';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '8': function _(n) {
                              if (isBetween(n, 3, 6)) return 'few';
                              if (isBetween(n, 7, 10)) return 'many';
                              if (n == 2) return 'two';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '9': function _(n) {
                              if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '10': function _(n) {
                              if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
                              if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
                              return 'other';
                          },
                          '11': function _(n) {
                              if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
                              if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
                              if (n % 10 == 1 && n % 100 != 11) return 'one';
                              return 'other';
                          },
                          '12': function _(n) {
                              if (isBetween(n, 2, 4)) return 'few';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '13': function _(n) {
                              if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
                              if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '14': function _(n) {
                              if (isBetween(n % 100, 3, 4)) return 'few';
                              if (n % 100 == 2) return 'two';
                              if (n % 100 == 1) return 'one';
                              return 'other';
                          },
                          '15': function _(n) {
                              if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
                              if (isBetween(n % 100, 11, 19)) return 'many';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '16': function _(n) {
                              if (n % 10 == 1 && n != 11) return 'one';
                              return 'other';
                          },
                          '17': function _(n) {
                              if (n == 3) return 'few';
                              if (n === 0) return 'zero';
                              if (n == 6) return 'many';
                              if (n == 2) return 'two';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '18': function _(n) {
                              if (n === 0) return 'zero';
                              if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
                              return 'other';
                          },
                          '19': function _(n) {
                              if (isBetween(n, 2, 10)) return 'few';
                              if (isBetween(n, 0, 1)) return 'one';
                              return 'other';
                          },
                          '20': function _(n) {
                              if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
                              if (n % 1000000 === 0 && n !== 0) return 'many';
                              if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
                              if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
                              return 'other';
                          },
                          '21': function _(n) {
                              if (n === 0) return 'zero';
                              if (n == 1) return 'one';
                              return 'other';
                          },
                          '22': function _(n) {
                              if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
                              return 'other';
                          },
                          '23': function _(n) {
                              if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
                              return 'other';
                          },
                          '24': function _(n) {
                              if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
                              if (isIn(n, [2, 12])) return 'two';
                              if (isIn(n, [1, 11])) return 'one';
                              return 'other';
                          }
                      };
                      var index = locales2rules[lang.replace(/-.*$/, '')];
                      if (!(index in pluralRules)) {
                          console.warn('plural form unknown for [' + lang + ']');
                          return function () {
                              return 'other';
                          };
                      }
                      return pluralRules[index];
                  }
                  gMacros.plural = function (str, param, key, prop) {
                      var n = parseFloat(param);
                      if (isNaN(n)) return str;
                      if (prop != gTextProp) return str;
                      if (!gMacros._pluralRules) {
                          gMacros._pluralRules = getPluralRules(gLanguage);
                      }
                      var index = '[' + gMacros._pluralRules(n) + ']';
                      if (n === 0 && key + '[zero]' in gL10nData) {
                          str = gL10nData[key + '[zero]'][prop];
                      } else if (n == 1 && key + '[one]' in gL10nData) {
                          str = gL10nData[key + '[one]'][prop];
                      } else if (n == 2 && key + '[two]' in gL10nData) {
                          str = gL10nData[key + '[two]'][prop];
                      } else if (key + index in gL10nData) {
                          str = gL10nData[key + index][prop];
                      } else if (key + '[other]' in gL10nData) {
                          str = gL10nData[key + '[other]'][prop];
                      }
                      return str;
                  };
                  function getL10nData(key, args, fallback) {
                      var data = gL10nData[key];
                      if (!data) {
                          console.warn('#' + key + ' is undefined.');
                          if (!fallback) {
                              return null;
                          }
                          data = fallback;
                      }
                      var rv = {};
                      for (var prop in data) {
                          var str = data[prop];
                          str = substIndexes(str, args, key, prop);
                          str = substArguments(str, args, key);
                          rv[prop] = str;
                      }
                      return rv;
                  }
                  function substIndexes(str, args, key, prop) {
                      var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
                      var reMatch = reIndex.exec(str);
                      if (!reMatch || !reMatch.length) return str;
                      var macroName = reMatch[1];
                      var paramName = reMatch[2];
                      var param;
                      if (args && paramName in args) {
                          param = args[paramName];
                      } else if (paramName in gL10nData) {
                          param = gL10nData[paramName];
                      }
                      if (macroName in gMacros) {
                          var macro = gMacros[macroName];
                          str = macro(str, param, key, prop);
                      }
                      return str;
                  }
                  function substArguments(str, args, key) {
                      var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
                      return str.replace(reArgs, function (matched_text, arg) {
                          if (args && arg in args) {
                              return args[arg];
                          }
                          if (arg in gL10nData) {
                              return gL10nData[arg];
                          }
                          console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
                          return matched_text;
                      });
                  }
                  function translateElement(element) {
                      var l10n = getL10nAttributes(element);
                      if (!l10n.id) return;
                      var data = getL10nData(l10n.id, l10n.args);
                      if (!data) {
                          console.warn('#' + l10n.id + ' is undefined.');
                          return;
                      }
                      if (data[gTextProp]) {
                          if (getChildElementCount(element) === 0) {
                              element[gTextProp] = data[gTextProp];
                          } else {
                              var children = element.childNodes;
                              var found = false;
                              for (var i = 0, l = children.length; i < l; i++) {
                                  if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
                                      if (found) {
                                          children[i].nodeValue = '';
                                      } else {
                                          children[i].nodeValue = data[gTextProp];
                                          found = true;
                                      }
                                  }
                              }
                              if (!found) {
                                  var textNode = document.createTextNode(data[gTextProp]);
                                  element.insertBefore(textNode, element.firstChild);
                              }
                          }
                          delete data[gTextProp];
                      }
                      for (var k in data) {
                          element[k] = data[k];
                      }
                  }
                  function getChildElementCount(element) {
                      if (element.children) {
                          return element.children.length;
                      }
                      if (typeof element.childElementCount !== 'undefined') {
                          return element.childElementCount;
                      }
                      var count = 0;
                      for (var i = 0; i < element.childNodes.length; i++) {
                          count += element.nodeType === 1 ? 1 : 0;
                      }
                      return count;
                  }
                  function translateFragment(element) {
                      element = element || document.documentElement;
                      var children = getTranslatableChildren(element);
                      var elementCount = children.length;
                      for (var i = 0; i < elementCount; i++) {
                          translateElement(children[i]);
                      }
                      translateElement(element);
                  }
                  return {
                      get: function get(key, args, fallbackString) {
                          var index = key.lastIndexOf('.');
                          var prop = gTextProp;
                          if (index > 0) {
                              prop = key.substr(index + 1);
                              key = key.substring(0, index);
                          }
                          var fallback;
                          if (fallbackString) {
                              fallback = {};
                              fallback[prop] = fallbackString;
                          }
                          var data = getL10nData(key, args, fallback);
                          if (data && prop in data) {
                              return data[prop];
                          }
                          return '{{' + key + '}}';
                      },
                      getData: function getData() {
                          return gL10nData;
                      },
                      getText: function getText() {
                          return gTextData;
                      },
                      getLanguage: function getLanguage() {
                          return gLanguage;
                      },
                      setLanguage: function setLanguage(lang, callback) {
                          loadLocale(lang, function () {
                              if (callback) callback();
                          });
                      },
                      getDirection: function getDirection() {
                          var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
                          var shortCode = gLanguage.split('-', 1)[0];
                          return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
                      },
                      translate: translateFragment,
                      getReadyState: function getReadyState() {
                          return gReadyState;
                      },
                      ready: function ready(callback) {
                          if (!callback) {
                              return;
                          } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
                              window.setTimeout(function () {
                                  callback();
                              });
                          } else if (document.addEventListener) {
                              document.addEventListener('localized', function once() {
                                  document.removeEventListener('localized', once);
                                  callback();
                              });
                          }
                      }
                  };
              }(window, document);
  
              /***/
  }),
  /* 38 */
  /***/ (function (module, exports, __webpack_require__) {
  
              "use strict";
  
  
              Object.defineProperty(exports, "__esModule", {
                  value: true
              });
              exports.PDFPrintService = undefined;
  
              var _ui_utils = __webpack_require__(2);
  
              var _app = __webpack_require__(1);
  
              var _pdfjsLib = __webpack_require__(3);
  
              var activeService = null;
              var overlayManager = null;
              function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size) {
                  var scratchCanvas = activeService.scratchCanvas;
                  var PRINT_RESOLUTION = 150;
                  var PRINT_UNITS = PRINT_RESOLUTION / 72.0;
                  scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
                  scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
                  var width = Math.floor(size.width * _ui_utils.CSS_UNITS) + 'px';
                  var height = Math.floor(size.height * _ui_utils.CSS_UNITS) + 'px';
                  var ctx = scratchCanvas.getContext('2d');
                  ctx.save();
                  ctx.fillStyle = 'rgb(255, 255, 255)';
                  ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
                  ctx.restore();
                  return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
                      var renderContext = {
                          canvasContext: ctx,
                          transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
                          viewport: pdfPage.getViewport(1, size.rotation),
                          intent: 'print'
                      };
                      return pdfPage.render(renderContext).promise;
                  }).then(function () {
                      return {
                          width: width,
                          height: height
                      };
                  });
              }
              function PDFPrintService(pdfDocument, pagesOverview, printContainer, l10n) {
                  this.pdfDocument = pdfDocument;
                  this.pagesOverview = pagesOverview;
                  this.printContainer = printContainer;
                  this.l10n = l10n || _ui_utils.NullL10n;
                  this.disableCreateObjectURL = pdfDocument.loadingParams['disableCreateObjectURL'];
                  this.currentPage = -1;
                  this.scratchCanvas = document.createElement('canvas');
              }
              PDFPrintService.prototype = {
                  layout: function layout() {
                      this.throwIfInactive();
                      var body = document.querySelector('body');
                      body.setAttribute('data-pdfjsprinting', true);
                      var hasEqualPageSizes = this.pagesOverview.every(function (size) {
                          return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
                      }, this);
                      if (!hasEqualPageSizes) {
                          console.warn('Not all pages have the same size. The printed ' + 'result may be incorrect!');
                      }
                      this.pageStyleSheet = document.createElement('style');
                      var pageSize = this.pagesOverview[0];
                      this.pageStyleSheet.textContent = '@supports ((size:A4) and (size:1pt 1pt)) {' + '@page { size: ' + pageSize.width + 'pt ' + pageSize.height + 'pt;}' + '}';
                      body.appendChild(this.pageStyleSheet);
                  },
                  destroy: function destroy() {
                      if (activeService !== this) {
                          return;
                      }
                      this.printContainer.textContent = '';
                      if (this.pageStyleSheet) {
                          this.pageStyleSheet.remove();
                          this.pageStyleSheet = null;
                      }
                      this.scratchCanvas.width = this.scratchCanvas.height = 0;
                      this.scratchCanvas = null;
                      activeService = null;
                      ensureOverlay().then(function () {
                          if (overlayManager.active !== 'printServiceOverlay') {
                              return;
                          }
                          overlayManager.close('printServiceOverlay');
                      });
                  },
                  renderPages: function renderPages() {
                      var _this = this;
  
                      var pageCount = this.pagesOverview.length;
                      var renderNextPage = function renderNextPage(resolve, reject) {
                          _this.throwIfInactive();
                          if (++_this.currentPage >= pageCount) {
                              renderProgress(pageCount, pageCount, _this.l10n);
                              resolve();
                              return;
                          }
                          var index = _this.currentPage;
                          renderProgress(index, pageCount, _this.l10n);
                          renderPage(_this, _this.pdfDocument, index + 1, _this.pagesOverview[index]).then(_this.useRenderedPage.bind(_this)).then(function () {
                              renderNextPage(resolve, reject);
                          }, reject);
                      };
                      return new Promise(renderNextPage);
                  },
                  useRenderedPage: function useRenderedPage(printItem) {
                      this.throwIfInactive();
                      var img = document.createElement('img');
                      img.style.width = printItem.width;
                      img.style.height = printItem.height;
                      var scratchCanvas = this.scratchCanvas;
                      if ('toBlob' in scratchCanvas && !this.disableCreateObjectURL) {
                          scratchCanvas.toBlob(function (blob) {
                              img.src = _pdfjsLib.URL.createObjectURL(blob);
                          });
                      } else {
                          img.src = scratchCanvas.toDataURL();
                      }
                      var wrapper = document.createElement('div');
                      wrapper.appendChild(img);
                      this.printContainer.appendChild(wrapper);
                      return new Promise(function (resolve, reject) {
                          img.onload = resolve;
                          img.onerror = reject;
                      });
                  },
                  performPrint: function performPrint() {
                      var _this2 = this;
  
                      this.throwIfInactive();
                      return new Promise(function (resolve) {
                          setTimeout(function () {
                              if (!_this2.active) {
                                  resolve();
                                  return;
                              }
                              print.call(window);
                              setTimeout(resolve, 20);
                          }, 0);
                      });
                  },
  
                  get active() {
                      return this === activeService;
                  },
                  throwIfInactive: function throwIfInactive() {
                      if (!this.active) {
                          throw new Error('This print request was cancelled or completed.');
                      }
                  }
              };
              var print = window.print;
              window.print = function print() {
                  if (activeService) {
                      console.warn('Ignored window.print() because of a pending print job.');
                      return;
                  }
                  ensureOverlay().then(function () {
                      if (activeService) {
                          overlayManager.open('printServiceOverlay');
                      }
                  });
                  try {
                      dispatchEvent('beforeprint');
                  } finally {
                      if (!activeService) {
                          console.error('Expected print service to be initialized.');
                          ensureOverlay().then(function () {
                              if (overlayManager.active === 'printServiceOverlay') {
                                  overlayManager.close('printServiceOverlay');
                              }
                          });
                          return;
                      }
                      var activeServiceOnEntry = activeService;
                      activeService.renderPages().then(function () {
                          return activeServiceOnEntry.performPrint();
                      }).catch(function () { }).then(function () {
                          if (activeServiceOnEntry.active) {
                              abort();
                          }
                      });
                  }
              };
              function dispatchEvent(eventType) {
                  var event = document.createEvent('CustomEvent');
                  event.initCustomEvent(eventType, false, false, 'custom');
                  window.dispatchEvent(event);
              }
              function abort() {
                  if (activeService) {
                      activeService.destroy();
                      dispatchEvent('afterprint');
                  }
              }
              function renderProgress(index, total, l10n) {
                  var progressContainer = document.getElementById('printServiceOverlay');
                  var progress = Math.round(100 * index / total);
                  var progressBar = progressContainer.querySelector('progress');
                  var progressPerc = progressContainer.querySelector('.relative-progress');
                  progressBar.value = progress;
                  l10n.get('print_progress_percent', { progress: progress }, progress + '%').then(function (msg) {
                      progressPerc.textContent = msg;
                  });
              }
              var hasAttachEvent = !!document.attachEvent;
              window.addEventListener('keydown', function (event) {
                  if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
                      window.print();
                      if (hasAttachEvent) {
                          return;
                      }
                      event.preventDefault();
                      if (event.stopImmediatePropagation) {
                          event.stopImmediatePropagation();
                      } else {
                          event.stopPropagation();
                      }
                      return;
                  }
              }, true);
              if (hasAttachEvent) {
                  document.attachEvent('onkeydown', function (event) {
                      event = event || window.event;
                      if (event.keyCode === 80 && event.ctrlKey) {
                          event.keyCode = 0;
                          return false;
                      }
                  });
              }
              if ('onbeforeprint' in window) {
                  var stopPropagationIfNeeded = function stopPropagationIfNeeded(event) {
                      if (event.detail !== 'custom' && event.stopImmediatePropagation) {
                          event.stopImmediatePropagation();
                      }
                  };
                  window.addEventListener('beforeprint', stopPropagationIfNeeded);
                  window.addEventListener('afterprint', stopPropagationIfNeeded);
              }
              var overlayPromise = void 0;
              function ensureOverlay() {
                  if (!overlayPromise) {
                      overlayManager = _app.PDFViewerApplication.overlayManager;
                      if (!overlayManager) {
                          throw new Error('The overlay manager has not yet been initialized.');
                      }
                      overlayPromise = overlayManager.register('printServiceOverlay', document.getElementById('printServiceOverlay'), abort, true);
                      document.getElementById('printCancel').onclick = abort;
                  }
                  return overlayPromise;
              }
              _app.PDFPrintServiceFactory.instance = {
                  supportsPrinting: true,
                  createPrintService: function createPrintService(pdfDocument, pagesOverview, printContainer, l10n) {
                      if (activeService) {
                          throw new Error('The print service is created and active.');
                      }
                      activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, l10n);
                      return activeService;
                  }
              };
              exports.PDFPrintService = PDFPrintService;
  
              /***/
  })
  /******/]);
  //# sourceMappingURL=viewer.js.map