text: /**
   * @licstart The following is the entire license notice for the
   * Javascript code in this page
   *
   * Copyright 2019 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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  /******/ 		module.l = true;
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  /******/ ([
  /* 0 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  ;
  var pdfjsWebApp, pdfjsWebAppOptions;
  {
    pdfjsWebApp = __webpack_require__(1);
    pdfjsWebAppOptions = __webpack_require__(6);
  }
  ;
  {
    __webpack_require__(36);
  }
  ;
  {
    __webpack_require__(41);
  }
  
  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'),
        entireWordCheckbox: document.getElementById('findEntireWord'),
        findMsg: document.getElementById('findMsg'),
        findResultsCount: document.getElementById('findResultsCount'),
        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.applyParameterOverride(config);//c1
    window.PDFViewerApplication = pdfjsWebApp.PDFViewerApplication;
    window.PDFViewerApplicationOptions = pdfjsWebAppOptions.AppOptions;
    var event = document.createEvent('CustomEvent');
    event.initCustomEvent('webviewerloaded', true, true, {});
    document.dispatchEvent(event);
    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 = void 0;
  
  var _regenerator = _interopRequireDefault(__webpack_require__(2));
  
  var _ui_utils = __webpack_require__(5);
  
  var _app_options = __webpack_require__(6);
  
  var _pdfjsLib = __webpack_require__(7);
  
  var _pdf_cursor_tools = __webpack_require__(9);
  
  var _pdf_rendering_queue = __webpack_require__(11);
  
  var _pdf_sidebar = __webpack_require__(12);
  
  var _overlay_manager = __webpack_require__(13);
  
  var _password_prompt = __webpack_require__(14);
  
  var _pdf_attachment_viewer = __webpack_require__(15);
  
  var _pdf_document_properties = __webpack_require__(16);
  
  var _pdf_find_bar = __webpack_require__(17);
  
  var _pdf_find_controller = __webpack_require__(18);
  
  var _pdf_history = __webpack_require__(20);
  
  var _pdf_link_service = __webpack_require__(21);
  
  var _pdf_outline_viewer = __webpack_require__(22);
  
  var _pdf_presentation_mode = __webpack_require__(23);
  
  var _pdf_sidebar_resizer = __webpack_require__(24);
  
  var _pdf_thumbnail_viewer = __webpack_require__(25);
  
  var _pdf_viewer = __webpack_require__(27);
  
  var _secondary_toolbar = __webpack_require__(32);
  
  var _toolbar = __webpack_require__(34);
  
  var _view_history = __webpack_require__(35);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  
  function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
  
  function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
  
  function _iterableToArrayLimit(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"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
  
  function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
  
  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
  
  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
  
  var DEFAULT_SCALE_DELTA = 1.1;
  var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
  var FORCE_PAGES_LOADED_TIMEOUT = 10000;
  var WHEEL_ZOOM_DISABLED_TIMEOUT = 1000;
  var ViewOnLoad = {
    UNKNOWN: -1,
    PREVIOUS: 0,
    INITIAL: 1
  };
  var DefaultExternalServices = {
    updateFindControlState: function updateFindControlState(data) {},
    updateFindMatchesCount: function updateFindMatchesCount(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
    }
  };
  exports.DefaultExternalServices = DefaultExternalServices;
  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 () {
      var _initialize = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee(appConfig) {
        var _this = this;
  
        var appContainer;
        return _regenerator["default"].wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                this.preferences = this.externalServices.createPreferences();
                this.appConfig = appConfig;
                _context.next = 4;
                return this._readPreferences();
  
              case 4:
                _context.next = 6;
                return this._parseHashParameters();
  
              case 6:
                _context.next = 8;
                return this._initializeL10n();
  
              case 8:
                if (this.isViewerEmbedded && _app_options.AppOptions.get('externalLinkTarget') === _pdfjsLib.LinkTarget.NONE) {
                  _app_options.AppOptions.set('externalLinkTarget', _pdfjsLib.LinkTarget.TOP);
                }
  
                _context.next = 11;
                return this._initializeViewerComponents();
  
              case 11:
                this.bindEvents();
                this.bindWindowEvents();
                appContainer = appConfig.appContainer || document.documentElement;
                this.l10n.translate(appContainer).then(function () {
                  _this.eventBus.dispatch('localized', {
                    source: _this
                  });
                });
                this.initialized = true;
  
              case 16:
              case "end":
                return _context.stop();
            }
          }
        }, _callee, this);
      }));
  
      function initialize(_x) {
        return _initialize.apply(this, arguments);
      }
  
      return initialize;
    }(),
    _readPreferences: function () {
      var _readPreferences2 = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee2() {
        var prefs, name;
        return _regenerator["default"].wrap(function _callee2$(_context2) {
          while (1) {
            switch (_context2.prev = _context2.next) {
              case 0:
                if (!(_app_options.AppOptions.get('disablePreferences') === true)) {
                  _context2.next = 2;
                  break;
                }
  
                return _context2.abrupt("return");
  
              case 2:
                _context2.prev = 2;
                _context2.next = 5;
                return this.preferences.getAll();
  
              case 5:
                prefs = _context2.sent;
  
                for (name in prefs) {
                  _app_options.AppOptions.set(name, prefs[name]);
                }
  
                _context2.next = 12;
                break;
  
              case 9:
                _context2.prev = 9;
                _context2.t0 = _context2["catch"](2);
                console.error("_readPreferences: \"".concat(_context2.t0.message, "\"."));
  
              case 12:
              case "end":
                return _context2.stop();
            }
          }
        }, _callee2, this, [[2, 9]]);
      }));
  
      function _readPreferences() {
        return _readPreferences2.apply(this, arguments);
      }
  
      return _readPreferences;
    }(),
    _parseHashParameters: function () {
      var _parseHashParameters2 = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee3() {
        var waitOn, hash, hashParams, viewer, enabled;
        return _regenerator["default"].wrap(function _callee3$(_context3) {
          while (1) {
            switch (_context3.prev = _context3.next) {
              case 0:
                if (_app_options.AppOptions.get('pdfBugEnabled')) {
                  _context3.next = 2;
                  break;
                }
  
                return _context3.abrupt("return", undefined);
  
              case 2:
                waitOn = [];
                hash = document.location.hash.substring(1);
                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)) {
                  _context3.next = 23;
                  break;
                }
  
                _context3.t0 = hashParams['textlayer'];
                _context3.next = _context3.t0 === 'off' ? 18 : _context3.t0 === 'visible' ? 20 : _context3.t0 === 'shadow' ? 20 : _context3.t0 === 'hover' ? 20 : 23;
                break;
  
              case 18:
                _app_options.AppOptions.set('textLayerMode', _ui_utils.TextLayerMode.DISABLE);
  
                return _context3.abrupt("break", 23);
  
              case 20:
                viewer = this.appConfig.viewerContainer;
                viewer.classList.add('textLayer-' + hashParams['textlayer']);
                return _context3.abrupt("break", 23);
  
              case 23:
                if ('pdfbug' in hashParams) {
                  _app_options.AppOptions.set('pdfBug', true);
  
                  enabled = hashParams['pdfbug'].split(',');
                  waitOn.push(loadAndEnablePDFBug(enabled));
                }
  
                if ('locale' in hashParams) {
                  _app_options.AppOptions.set('locale', hashParams['locale']);
                }
  
                return _context3.abrupt("return", Promise.all(waitOn)["catch"](function (reason) {
                  console.error("_parseHashParameters: \"".concat(reason.message, "\"."));
                }));
  
              case 26:
              case "end":
                return _context3.stop();
            }
          }
        }, _callee3, this);
      }));
  
      function _parseHashParameters() {
        return _parseHashParameters2.apply(this, arguments);
      }
  
      return _parseHashParameters;
    }(),
    _initializeL10n: function () {
      var _initializeL10n2 = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee4() {
        var dir;
        return _regenerator["default"].wrap(function _callee4$(_context4) {
          while (1) {
            switch (_context4.prev = _context4.next) {
              case 0:
                this.l10n = this.externalServices.createL10n({
                  locale: _app_options.AppOptions.get('locale')
                });
                _context4.next = 3;
                return this.l10n.getDirection();
  
              case 3:
                dir = _context4.sent;
                document.getElementsByTagName('html')[0].dir = dir;
  
              case 5:
              case "end":
                return _context4.stop();
            }
          }
        }, _callee4, this);
      }));
  
      function _initializeL10n() {
        return _initializeL10n2.apply(this, arguments);
      }
  
      return _initializeL10n;
    }(),
    _initializeViewerComponents: function () {
      var _initializeViewerComponents2 = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee5() {
        var appConfig, eventBus, pdfRenderingQueue, pdfLinkService, downloadManager, findController, container, viewer;
        return _regenerator["default"].wrap(function _callee5$(_context5) {
          while (1) {
            switch (_context5.prev = _context5.next) {
              case 0:
                appConfig = this.appConfig;
                this.overlayManager = new _overlay_manager.OverlayManager();
                eventBus = appConfig.eventBus || (0, _ui_utils.getGlobalEventBus)(_app_options.AppOptions.get('eventBusDispatchToDOM'));
                this.eventBus = eventBus;
                pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
                pdfRenderingQueue.onIdle = this.cleanup.bind(this);
                this.pdfRenderingQueue = pdfRenderingQueue;
                pdfLinkService = new _pdf_link_service.PDFLinkService({
                  eventBus: eventBus,
                  externalLinkTarget: _app_options.AppOptions.get('externalLinkTarget'),
                  externalLinkRel: _app_options.AppOptions.get('externalLinkRel')
                });
                this.pdfLinkService = pdfLinkService;
                downloadManager = this.externalServices.createDownloadManager({
                  disableCreateObjectURL: _app_options.AppOptions.get('disableCreateObjectURL')
                });
                this.downloadManager = downloadManager;
                findController = new _pdf_find_controller.PDFFindController({
                  linkService: pdfLinkService,
                  eventBus: eventBus
                });
                this.findController = findController;
                container = appConfig.mainContainer;
                viewer = appConfig.viewerContainer;
                this.pdfViewer = new _pdf_viewer.PDFViewer({
                  container: container,
                  viewer: viewer,
                  eventBus: eventBus,
                  renderingQueue: pdfRenderingQueue,
                  linkService: pdfLinkService,
                  downloadManager: downloadManager,
                  findController: findController,
                  renderer: _app_options.AppOptions.get('renderer'),
                  enableWebGL: _app_options.AppOptions.get('enableWebGL'),
                  l10n: this.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(this.pdfViewer);
                pdfLinkService.setViewer(this.pdfViewer);
                this.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
                  container: appConfig.sidebar.thumbnailView,
                  renderingQueue: pdfRenderingQueue,
                  linkService: pdfLinkService,
                  l10n: this.l10n
                });
                pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
                this.pdfHistory = new _pdf_history.PDFHistory({
                  linkService: pdfLinkService,
                  eventBus: eventBus
                });
                pdfLinkService.setHistory(this.pdfHistory);
                this.findBar = new _pdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n);
                this.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n);
                this.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
                  container: container,
                  eventBus: eventBus,
                  cursorToolOnLoad: _app_options.AppOptions.get('cursorToolOnLoad')
                });
                this.toolbar = new _toolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n);
                this.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
  
                if (this.supportsFullscreen) {
                  this.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
                    container: container,
                    viewer: viewer,
                    pdfViewer: this.pdfViewer,
                    eventBus: eventBus,
                    contextMenuItems: appConfig.fullscreen
                  });
                }
  
                this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n);
                this.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
                  container: appConfig.sidebar.outlineView,
                  eventBus: eventBus,
                  linkService: pdfLinkService
                });
                this.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
                  container: appConfig.sidebar.attachmentsView,
                  eventBus: eventBus,
                  downloadManager: downloadManager
                });
                this.pdfSidebar = new _pdf_sidebar.PDFSidebar({
                  elements: appConfig.sidebar,
                  pdfViewer: this.pdfViewer,
                  pdfThumbnailViewer: this.pdfThumbnailViewer,
                  eventBus: eventBus,
                  l10n: this.l10n
                });
                this.pdfSidebar.onToggled = this.forceRendering.bind(this);
                this.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, this.l10n);
  
              case 34:
              case "end":
                return _context5.stop();
            }
          }
        }, _callee5, this);
      }));
  
      function _initializeViewerComponents() {
        return _initializeViewerComponents2.apply(this, arguments);
      }
  
      return _initializeViewerComponents;
    }(),
    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;
    },
    zoomReset: function zoomReset() {
      var ignoreDuplicate = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
      if (this.pdfViewer.isInPresentationMode) {
        return;
      } else if (ignoreDuplicate && this.pdfViewer.currentScaleValue === _ui_utils.DEFAULT_SCALE_VALUE) {
        return;
      }
  
      this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
    },
  
    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;
      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 () {
      var _close = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee6() {
        var errorWrapper, promise;
        return _regenerator["default"].wrap(function _callee6$(_context6) {
          while (1) {
            switch (_context6.prev = _context6.next) {
              case 0:
                errorWrapper = this.appConfig.errorWrapper.container;
                errorWrapper.setAttribute('hidden', 'true');
  
                if (this.pdfLoadingTask) {
                  _context6.next = 4;
                  break;
                }
  
                return _context6.abrupt("return", undefined);
  
              case 4:
                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);
                  this.pdfDocumentProperties.setDocument(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.findBar.reset();
                this.toolbar.reset();
                this.secondaryToolbar.reset();
  
                if (typeof PDFBug !== 'undefined') {
                  PDFBug.cleanup();
                }
  
                return _context6.abrupt("return", promise);
  
              case 21:
              case "end":
                return _context6.stop();
            }
          }
        }, _callee6, this);
      }));
  
      function close() {
        return _close.apply(this, arguments);
      }
  
      return close;
    }(),
    open: function () {
      var _open = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee7(file, args) {
        var _this2 = this;
  
        var workerParameters, key, parameters, apiParameters, _key, prop, loadingTask;
  
        return _regenerator["default"].wrap(function _callee7$(_context7) {
          while (1) {
            switch (_context7.prev = _context7.next) {
              case 0:
                if (!this.pdfLoadingTask) {
                  _context7.next = 3;
                  break;
                }
  
                _context7.next = 3;
                return this.close();
  
              case 3:
                workerParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.WORKER);
  
                for (key in workerParameters) {
                  _pdfjsLib.GlobalWorkerOptions[key] = workerParameters[key];
                }
  
                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;
                }
  
                apiParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.API);
  
                for (_key in apiParameters) {
                  parameters[_key] = apiParameters[_key];
                }
  
                if (args) {
                  for (prop in args) {
                    if (prop === 'length') {
                      this.pdfDocumentProperties.setFileSize(args[prop]);
                    }
  
                    parameters[prop] = args[prop];
                  }
                }
  
                loadingTask = (0, _pdfjsLib.getDocument)(parameters);
                this.pdfLoadingTask = loadingTask;
  
                loadingTask.onPassword = function (updateCallback, reason) {
                  _this2.passwordPrompt.setUpdateCallback(updateCallback, reason);
  
                  _this2.passwordPrompt.open();
                };
  
                loadingTask.onProgress = function (_ref) {
                  var loaded = _ref.loaded,
                      total = _ref.total;
  
                  _this2.progress(loaded / total);
                };
  
                loadingTask.onUnsupportedFeature = this.fallback.bind(this);
                return _context7.abrupt("return", loadingTask.promise.then(function (pdfDocument) {
                  _this2.load(pdfDocument);
                }, function (exception) {
                  if (loadingTask !== _this2.pdfLoadingTask) {
                    return undefined;
                  }
  
                  var message = exception && exception.message;
                  var loadingErrorMessage;
  
                  if (exception instanceof _pdfjsLib.InvalidPDFException) {
                    loadingErrorMessage = _this2.l10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.');
                  } else if (exception instanceof _pdfjsLib.MissingPDFException) {
                    loadingErrorMessage = _this2.l10n.get('missing_file_error', null, 'Missing PDF file.');
                  } else if (exception instanceof _pdfjsLib.UnexpectedResponseException) {
                    loadingErrorMessage = _this2.l10n.get('unexpected_response_error', null, 'Unexpected server response.');
                  } else {
                    loadingErrorMessage = _this2.l10n.get('loading_error', null, 'An error occurred while loading the PDF.');
                  }
  
                  let moreInfo = {}; //c1s
                  moreInfo.message = message;
                  window.setCustomError(moreInfo); //c1e
                  return loadingErrorMessage.then(function (msg) {
                    _this2.error(msg, moreInfo);
  
                    throw new Error(msg);
                  });
                }));
  
              case 16:
              case "end":
                return _context7.stop();
            }
          }
        }, _callee7, this);
      }));
  
      function open(_x2, _x3) {
        return _open.apply(this, arguments);
      }
  
      return open;
    }(),
    download: function download() {
      var _this3 = 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) {
        _this3.error("PDF failed to download: ".concat(err));
      };
  
      if (!this.pdfDocument || !this.downloadComplete) {
        downloadByUrl();
        return;
      }
  
      this.pdfDocument.getData().then(function (data) {
        var blob = new Blob([data], {
          type: '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}}'));
          }
        }
      }
  
      //c1s
      if (moreInfo.errorMessage) {
        if (moreInfo.errorOverride) {
          moreInfoText.length = 0;
          moreInfoText.push(moreInfo.errorMessage);
        }
        else if (moreInfo.errorAppend) {
          moreInfoText.push(moreInfo.errorMessage);
        }
        else {
          moreInfoText.push(moreInfo.errorMessage);
        }
      }
      //c1e
  
      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 _this4 = 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 () {
            _this4.loadingBar.hide();
  
            _this4.disableAutoFetchLoadingBarTimeout = null;
          }, DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
        }
      }
    },
    load: function load(pdfDocument) {
      var _this5 = this;
  
      this.pdfDocument = pdfDocument;
      pdfDocument.getDownloadInfo().then(function () {
        _this5.downloadComplete = true;
  
        _this5.loadingBar.hide();
  
        firstPagePromise.then(function () {
          _this5.eventBus.dispatch('documentloaded', {
            source: _this5
          });
        });
      });
      var pageLayoutPromise = pdfDocument.getPageLayout()["catch"](function () {});
      var pageModePromise = pdfDocument.getPageMode()["catch"](function () {});
      var openActionDestPromise = pdfDocument.getOpenActionDestination()["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;
      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) {
        _this5.loadingBar.setWidth(_this5.appConfig.viewerContainer);
  
        var storePromise = store.getMultiple({
          page: null,
          zoom: _ui_utils.DEFAULT_SCALE_VALUE,
          scrollLeft: '0',
          scrollTop: '0',
          rotation: null,
          sidebarView: _pdf_sidebar.SidebarView.UNKNOWN,
          scrollMode: _ui_utils.ScrollMode.UNKNOWN,
          spreadMode: _ui_utils.SpreadMode.UNKNOWN
        })["catch"](function () {});
        Promise.all([storePromise, pageLayoutPromise, pageModePromise, openActionDestPromise]).then(
        /*#__PURE__*/
        function () {
          var _ref3 = _asyncToGenerator(
          /*#__PURE__*/
          _regenerator["default"].mark(function _callee8(_ref2) {
            var _ref4, _ref4$, values, pageLayout, pageMode, openActionDest, viewOnLoad, initialBookmark, zoom, hash, rotation, sidebarView, scrollMode, spreadMode;
  
            return _regenerator["default"].wrap(function _callee8$(_context8) {
              while (1) {
                switch (_context8.prev = _context8.next) {
                  case 0:
                    _ref4 = _slicedToArray(_ref2, 4), _ref4$ = _ref4[0], values = _ref4$ === void 0 ? {} : _ref4$, pageLayout = _ref4[1], pageMode = _ref4[2], openActionDest = _ref4[3];
                    viewOnLoad = _app_options.AppOptions.get('viewOnLoad');
  
                    _this5._initializePdfHistory({
                      fingerprint: pdfDocument.fingerprint,
                      viewOnLoad: viewOnLoad,
                      initialDest: openActionDest
                    });
  
                    initialBookmark = _this5.initialBookmark;
                    zoom = _app_options.AppOptions.get('defaultZoomValue');
                    hash = zoom ? "zoom=".concat(zoom) : null;
                    rotation = null;
                    sidebarView = _app_options.AppOptions.get('sidebarViewOnLoad');
                    scrollMode = _app_options.AppOptions.get('scrollModeOnLoad');
                    spreadMode = _app_options.AppOptions.get('spreadModeOnLoad');
  
                    if (values.page && viewOnLoad !== ViewOnLoad.INITIAL) {
                      hash = "page=".concat(values.page, "&zoom=").concat(zoom || values.zoom, ",") + "".concat(values.scrollLeft, ",").concat(values.scrollTop);
                      rotation = parseInt(values.rotation, 10);
  
                      if (sidebarView === _pdf_sidebar.SidebarView.UNKNOWN) {
                        sidebarView = values.sidebarView | 0;
                      }
  
                      if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) {
                        scrollMode = values.scrollMode | 0;
                      }
  
                      if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
                        spreadMode = values.spreadMode | 0;
                      }
                    }
  
                    if (pageMode && sidebarView === _pdf_sidebar.SidebarView.UNKNOWN) {
                      sidebarView = apiPageModeToSidebarView(pageMode);
                    }
  
                    if (pageLayout && spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
                      spreadMode = apiPageLayoutToSpreadMode(pageLayout);
                    }
  
                    _this5.setInitialView(hash, {
                      rotation: rotation,
                      sidebarView: sidebarView,
                      scrollMode: scrollMode,
                      spreadMode: spreadMode
                    });
  
                    _this5.eventBus.dispatch('documentinit', {
                      source: _this5
                    });
  
                    if (!_this5.isViewerEmbedded) {
                      pdfViewer.focus();
                    }
  
                    _context8.next = 18;
                    return Promise.race([pagesPromise, new Promise(function (resolve) {
                      setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
                    })]);
  
                  case 18:
                    if (!(!initialBookmark && !hash)) {
                      _context8.next = 20;
                      break;
                    }
  
                    return _context8.abrupt("return");
  
                  case 20:
                    if (!pdfViewer.hasEqualPageSizes) {
                      _context8.next = 22;
                      break;
                    }
  
                    return _context8.abrupt("return");
  
                  case 22:
                    _this5.initialBookmark = initialBookmark;
                    pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
  
                    _this5.setInitialView(hash);
  
                  case 25:
                  case "end":
                    return _context8.stop();
                }
              }
            }, _callee8);
          }));
  
          return function (_x4) {
            return _ref3.apply(this, arguments);
          };
        }())["catch"](function () {
          _this5.setInitialView();
        }).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 !== _this5.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);
  
        _this5.toolbar.setPagesCount(pdfDocument.numPages, true);
  
        _this5.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
      });
      pagesPromise.then(function () {
        if (!_this5.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');
  
            _this5.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) {
          _this5.pdfOutlineViewer.render({
            outline: outline
          });
        });
        pdfDocument.getAttachments().then(function (attachments) {
          _this5.pdfAttachmentViewer.render({
            attachments: attachments
          });
        });
      });
      pdfDocument.getMetadata().then(function (_ref5) {
        var info = _ref5.info,
            metadata = _ref5.metadata,
            contentDispositionFilename = _ref5.contentDispositionFilename;
        _this5.documentInfo = info;
        _this5.metadata = metadata;
        _this5.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;
  
        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) {
          _this5.setTitle("".concat(pdfTitle, " - ").concat(contentDispositionFilename || document.title));
        } else if (contentDispositionFilename) {
          _this5.setTitle(contentDispositionFilename);
        }
  
        if (info.IsAcroFormPresent) {
          console.warn('Warning: AcroForm/XFA is not supported');
  
          _this5.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms);
        }
      });
    },
    _initializePdfHistory: function _initializePdfHistory(_ref6) {
      var fingerprint = _ref6.fingerprint,
          viewOnLoad = _ref6.viewOnLoad,
          _ref6$initialDest = _ref6.initialDest,
          initialDest = _ref6$initialDest === void 0 ? null : _ref6$initialDest;
  
      if (_app_options.AppOptions.get('disableHistory') || this.isViewerEmbedded) {
        return;
      }
  
      this.pdfHistory.initialize({
        fingerprint: fingerprint,
        resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
        updateUrl: _app_options.AppOptions.get('historyUpdateUrl')
      });
  
      if (this.pdfHistory.initialBookmark) {
        this.initialBookmark = this.pdfHistory.initialBookmark;
        this.initialRotation = this.pdfHistory.initialRotation;
      }
  
      if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) {
        this.initialBookmark = JSON.stringify(initialDest);
        this.pdfHistory.push({
          explicitDest: initialDest,
          pageNumber: null
        });
      }
    },
    setInitialView: function setInitialView(storedHash) {
      var _this6 = this;
  
      var _ref7 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
          rotation = _ref7.rotation,
          sidebarView = _ref7.sidebarView,
          scrollMode = _ref7.scrollMode,
          spreadMode = _ref7.spreadMode;
  
      var setRotation = function setRotation(angle) {
        if ((0, _ui_utils.isValidRotation)(angle)) {
          _this6.pdfViewer.pagesRotation = angle;
        }
      };
  
      var setViewerModes = function setViewerModes(scroll, spread) {
        if ((0, _ui_utils.isValidScrollMode)(scroll)) {
          _this6.pdfViewer.scrollMode = scroll;
        }
  
        if ((0, _ui_utils.isValidSpreadMode)(spread)) {
          _this6.pdfViewer.spreadMode = spread;
        }
      };
  
      this.isInitialViewSet = true;
      this.pdfSidebar.setInitialView(sidebarView);
      setViewerModes(scrollMode, spreadMode);
  
      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 _this7 = this;
  
      let viewerId = window.getUrlParameterByName('viewerId'); //c1s
      if (viewerId) {
        let trigger = window.getUrlParameterByName('beforePrint');
        if (trigger == "true") {
          window.parent.postMessage({viewerId: viewerId, event: "beforePrint"}, "*");
        }
      }//c1e
  
      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) {
          _this7.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() {
      var viewerId = window.getUrlParameterByName('viewerId'); //c1s
      if (viewerId) {
        var trigger = window.getUrlParameterByName('afterPrint');
        if (trigger == "true") {
          window.parent.postMessage({viewerId: viewerId, event: "afterPrint"}, "*");
        }
      }//c1e
  
      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('zoomreset', webViewerZoomReset);
      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('updatefindmatchescount', webViewerUpdateFindMatchesCount);
      eventBus.on('updatefindcontrolstate', webViewerUpdateFindControlState);
      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', {
          source: window,
          hash: document.location.hash.substring(1)
        });
      };
  
      _boundEvents.windowBeforePrint = function () {
        eventBus.dispatch('beforeprint', {
          source: window
        });
      };
  
      _boundEvents.windowAfterPrint = function () {
        eventBus.dispatch('afterprint', {
          source: window
        });
      };
  
      window.addEventListener('visibilitychange', webViewerVisibilityChange);
      window.addEventListener('wheel', webViewerWheel, {
        passive: false
      });
      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('zoomreset', webViewerZoomReset);
      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('updatefindmatchescount', webViewerUpdateFindMatchesCount);
      eventBus.off('updatefindcontrolstate', webViewerUpdateFindControlState);
      eventBus.off('fileinputchange', webViewerFileInputChange);
      _boundEvents.beforePrint = null;
      _boundEvents.afterPrint = null;
    },
    unbindWindowEvents: function unbindWindowEvents() {
      var _boundEvents = this._boundEvents;
      window.removeEventListener('visibilitychange', webViewerVisibilityChange);
      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;
    }
  };
  exports.PDFViewerApplication = PDFViewerApplication;
  var validateFileURL;
  {
    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 _ref8 = new _pdfjsLib.URL(file, window.location.href),
            origin = _ref8.origin,
            protocol = _ref8.protocol;
        //c1
        // 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) {
          
          let moreInfo = {}; //c1s
          moreInfo.message = message;
          window.setCustomError(moreInfo); //c1e
  
          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;
    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', {
        source: this,
        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', {
        source: this,
        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();
    });
  
    try {
      webViewerOpenFileViaURL(file);
    } catch (reason) {
      PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (msg) {
        window.setCustomError(reason); //c1
        PDFViewerApplication.error(msg, reason);
      });
    }
  }
  
  var webViewerOpenFileViaURL;
  {
    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));
        };
  
        xhr.open('GET', file);
        xhr.responseType = 'arraybuffer';
        xhr.send();
        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;
  
    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;
  {
    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 webViewerZoomReset(evt) {
    PDFViewerApplication.zoomReset(evt && evt.ignoreDuplicate);
  }
  
  function webViewerPageNumberChanged(evt) {
    var pdfViewer = PDFViewerApplication.pdfViewer;
  
    if (evt.value !== '') {
      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,
      entireWord: evt.entireWord,
      highlightAll: evt.highlightAll,
      findPrevious: evt.findPrevious
    });
  }
  
  function webViewerFindFromUrlHash(evt) {
    PDFViewerApplication.findController.executeCommand('find', {
      query: evt.query,
      phraseSearch: evt.phraseSearch,
      caseSensitive: false,
      entireWord: false,
      highlightAll: true,
      findPrevious: false
    });
  }
  
  function webViewerUpdateFindMatchesCount(_ref9) {
    var matchesCount = _ref9.matchesCount;
  
    if (PDFViewerApplication.supportsIntegratedFind) {
      PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount);
    } else {
      PDFViewerApplication.findBar.updateResultsCount(matchesCount);
    }
  }
  
  function webViewerUpdateFindControlState(_ref10) {
    var state = _ref10.state,
        previous = _ref10.previous,
        matchesCount = _ref10.matchesCount;
  
    if (PDFViewerApplication.supportsIntegratedFind) {
      PDFViewerApplication.externalServices.updateFindControlState({
        result: state,
        findPrevious: previous,
        matchesCount: matchesCount
      });
    } else {
      PDFViewerApplication.findBar.updateUIState(state, previous, matchesCount);
    }
  }
  
  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);
      }
    }
  
    let viewerId = window.getUrlParameterByName('viewerId'); //c1s
    if (viewerId) {
      let trigger = window.getUrlParameterByName('pageChange');
      if (trigger == "true") {
        window.parent.postMessage({viewerId: viewerId, event: "pageChange", param: page}, "*");
      }
    }//c1e
  }
  
  function webViewerVisibilityChange(evt) {
    if (document.visibilityState === 'visible') {
      setZoomDisabledTimeout();
    }
  }
  
  var zoomDisabledTimeout = null;
  
  function setZoomDisabledTimeout() {
    if (zoomDisabledTimeout) {
      clearTimeout(zoomDisabledTimeout);
    }
  
    zoomDisabledTimeout = setTimeout(function () {
      zoomDisabledTimeout = null;
    }, WHEEL_ZOOM_DISABLED_TIMEOUT);
  }
  
  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 (zoomDisabledTimeout || document.visibilityState === 'hidden') {
        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 {
      setZoomDisabledTimeout();
    }
  }
  
  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,
                entireWord: findState.entireWord,
                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 () {
              PDFViewerApplication.zoomReset();
            });
            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;
  
        case 115:
          PDFViewerApplication.pdfSidebar.toggle();
          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 apiPageLayoutToSpreadMode(layout) {
    switch (layout) {
      case 'SinglePage':
      case 'OneColumn':
        return _ui_utils.SpreadMode.NONE;
  
      case 'TwoColumnLeft':
      case 'TwoPageLeft':
        return _ui_utils.SpreadMode.ODD;
  
      case 'TwoColumnRight':
      case 'TwoPageRight':
        return _ui_utils.SpreadMode.EVEN;
    }
  
    return _ui_utils.SpreadMode.NONE;
  }
  
  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.PDFPrintServiceFactory = PDFPrintServiceFactory;
  
  /***/ }),
  /* 2 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  module.exports = __webpack_require__(3);
  
  /***/ }),
  /* 3 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  /* WEBPACK VAR INJECTION */(function(module) {
  
  function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  var runtime = function (exports) {
    "use strict";
  
    var Op = Object.prototype;
    var hasOwn = Op.hasOwnProperty;
    var undefined;
    var $Symbol = typeof Symbol === "function" ? Symbol : {};
    var iteratorSymbol = $Symbol.iterator || "@@iterator";
    var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
    var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
  
    function wrap(innerFn, outerFn, self, tryLocsList) {
      var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
      var generator = Object.create(protoGenerator.prototype);
      var context = new Context(tryLocsList || []);
      generator._invoke = makeInvokeMethod(innerFn, self, context);
      return generator;
    }
  
    exports.wrap = wrap;
  
    function tryCatch(fn, obj, arg) {
      try {
        return {
          type: "normal",
          arg: fn.call(obj, arg)
        };
      } catch (err) {
        return {
          type: "throw",
          arg: err
        };
      }
    }
  
    var GenStateSuspendedStart = "suspendedStart";
    var GenStateSuspendedYield = "suspendedYield";
    var GenStateExecuting = "executing";
    var GenStateCompleted = "completed";
    var ContinueSentinel = {};
  
    function Generator() {}
  
    function GeneratorFunction() {}
  
    function GeneratorFunctionPrototype() {}
  
    var IteratorPrototype = {};
  
    IteratorPrototype[iteratorSymbol] = function () {
      return this;
    };
  
    var getProto = Object.getPrototypeOf;
    var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
  
    if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
      IteratorPrototype = NativeIteratorPrototype;
    }
  
    var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
    GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
    GeneratorFunctionPrototype.constructor = GeneratorFunction;
    GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction";
  
    function defineIteratorMethods(prototype) {
      ["next", "throw", "return"].forEach(function (method) {
        prototype[method] = function (arg) {
          return this._invoke(method, arg);
        };
      });
    }
  
    exports.isGeneratorFunction = function (genFun) {
      var ctor = typeof genFun === "function" && genFun.constructor;
      return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
    };
  
    exports.mark = function (genFun) {
      if (Object.setPrototypeOf) {
        Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
      } else {
        genFun.__proto__ = GeneratorFunctionPrototype;
  
        if (!(toStringTagSymbol in genFun)) {
          genFun[toStringTagSymbol] = "GeneratorFunction";
        }
      }
  
      genFun.prototype = Object.create(Gp);
      return genFun;
    };
  
    exports.awrap = function (arg) {
      return {
        __await: arg
      };
    };
  
    function AsyncIterator(generator) {
      function invoke(method, arg, resolve, reject) {
        var record = tryCatch(generator[method], generator, arg);
  
        if (record.type === "throw") {
          reject(record.arg);
        } else {
          var result = record.arg;
          var value = result.value;
  
          if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
            return Promise.resolve(value.__await).then(function (value) {
              invoke("next", value, resolve, reject);
            }, function (err) {
              invoke("throw", err, resolve, reject);
            });
          }
  
          return Promise.resolve(value).then(function (unwrapped) {
            result.value = unwrapped;
            resolve(result);
          }, function (error) {
            return invoke("throw", error, resolve, reject);
          });
        }
      }
  
      var previousPromise;
  
      function enqueue(method, arg) {
        function callInvokeWithMethodAndArg() {
          return new Promise(function (resolve, reject) {
            invoke(method, arg, resolve, reject);
          });
        }
  
        return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
      }
  
      this._invoke = enqueue;
    }
  
    defineIteratorMethods(AsyncIterator.prototype);
  
    AsyncIterator.prototype[asyncIteratorSymbol] = function () {
      return this;
    };
  
    exports.AsyncIterator = AsyncIterator;
  
    exports.async = function (innerFn, outerFn, self, tryLocsList) {
      var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList));
      return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
        return result.done ? result.value : iter.next();
      });
    };
  
    function makeInvokeMethod(innerFn, self, context) {
      var state = GenStateSuspendedStart;
      return function invoke(method, arg) {
        if (state === GenStateExecuting) {
          throw new Error("Generator is already running");
        }
  
        if (state === GenStateCompleted) {
          if (method === "throw") {
            throw arg;
          }
  
          return doneResult();
        }
  
        context.method = method;
        context.arg = arg;
  
        while (true) {
          var delegate = context.delegate;
  
          if (delegate) {
            var delegateResult = maybeInvokeDelegate(delegate, context);
  
            if (delegateResult) {
              if (delegateResult === ContinueSentinel) continue;
              return delegateResult;
            }
          }
  
          if (context.method === "next") {
            context.sent = context._sent = context.arg;
          } else if (context.method === "throw") {
            if (state === GenStateSuspendedStart) {
              state = GenStateCompleted;
              throw context.arg;
            }
  
            context.dispatchException(context.arg);
          } else if (context.method === "return") {
            context.abrupt("return", context.arg);
          }
  
          state = GenStateExecuting;
          var record = tryCatch(innerFn, self, context);
  
          if (record.type === "normal") {
            state = context.done ? GenStateCompleted : GenStateSuspendedYield;
  
            if (record.arg === ContinueSentinel) {
              continue;
            }
  
            return {
              value: record.arg,
              done: context.done
            };
          } else if (record.type === "throw") {
            state = GenStateCompleted;
            context.method = "throw";
            context.arg = record.arg;
          }
        }
      };
    }
  
    function maybeInvokeDelegate(delegate, context) {
      var method = delegate.iterator[context.method];
  
      if (method === undefined) {
        context.delegate = null;
  
        if (context.method === "throw") {
          if (delegate.iterator["return"]) {
            context.method = "return";
            context.arg = undefined;
            maybeInvokeDelegate(delegate, context);
  
            if (context.method === "throw") {
              return ContinueSentinel;
            }
          }
  
          context.method = "throw";
          context.arg = new TypeError("The iterator does not provide a 'throw' method");
        }
  
        return ContinueSentinel;
      }
  
      var record = tryCatch(method, delegate.iterator, context.arg);
  
      if (record.type === "throw") {
        context.method = "throw";
        context.arg = record.arg;
        context.delegate = null;
        return ContinueSentinel;
      }
  
      var info = record.arg;
  
      if (!info) {
        context.method = "throw";
        context.arg = new TypeError("iterator result is not an object");
        context.delegate = null;
        return ContinueSentinel;
      }
  
      if (info.done) {
        context[delegate.resultName] = info.value;
        context.next = delegate.nextLoc;
  
        if (context.method !== "return") {
          context.method = "next";
          context.arg = undefined;
        }
      } else {
        return info;
      }
  
      context.delegate = null;
      return ContinueSentinel;
    }
  
    defineIteratorMethods(Gp);
    Gp[toStringTagSymbol] = "Generator";
  
    Gp[iteratorSymbol] = function () {
      return this;
    };
  
    Gp.toString = function () {
      return "[object Generator]";
    };
  
    function pushTryEntry(locs) {
      var entry = {
        tryLoc: locs[0]
      };
  
      if (1 in locs) {
        entry.catchLoc = locs[1];
      }
  
      if (2 in locs) {
        entry.finallyLoc = locs[2];
        entry.afterLoc = locs[3];
      }
  
      this.tryEntries.push(entry);
    }
  
    function resetTryEntry(entry) {
      var record = entry.completion || {};
      record.type = "normal";
      delete record.arg;
      entry.completion = record;
    }
  
    function Context(tryLocsList) {
      this.tryEntries = [{
        tryLoc: "root"
      }];
      tryLocsList.forEach(pushTryEntry, this);
      this.reset(true);
    }
  
    exports.keys = function (object) {
      var keys = [];
  
      for (var key in object) {
        keys.push(key);
      }
  
      keys.reverse();
      return function next() {
        while (keys.length) {
          var key = keys.pop();
  
          if (key in object) {
            next.value = key;
            next.done = false;
            return next;
          }
        }
  
        next.done = true;
        return next;
      };
    };
  
    function values(iterable) {
      if (iterable) {
        var iteratorMethod = iterable[iteratorSymbol];
  
        if (iteratorMethod) {
          return iteratorMethod.call(iterable);
        }
  
        if (typeof iterable.next === "function") {
          return iterable;
        }
  
        if (!isNaN(iterable.length)) {
          var i = -1,
              next = function next() {
            while (++i < iterable.length) {
              if (hasOwn.call(iterable, i)) {
                next.value = iterable[i];
                next.done = false;
                return next;
              }
            }
  
            next.value = undefined;
            next.done = true;
            return next;
          };
  
          return next.next = next;
        }
      }
  
      return {
        next: doneResult
      };
    }
  
    exports.values = values;
  
    function doneResult() {
      return {
        value: undefined,
        done: true
      };
    }
  
    Context.prototype = {
      constructor: Context,
      reset: function reset(skipTempReset) {
        this.prev = 0;
        this.next = 0;
        this.sent = this._sent = undefined;
        this.done = false;
        this.delegate = null;
        this.method = "next";
        this.arg = undefined;
        this.tryEntries.forEach(resetTryEntry);
  
        if (!skipTempReset) {
          for (var name in this) {
            if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
              this[name] = undefined;
            }
          }
        }
      },
      stop: function stop() {
        this.done = true;
        var rootEntry = this.tryEntries[0];
        var rootRecord = rootEntry.completion;
  
        if (rootRecord.type === "throw") {
          throw rootRecord.arg;
        }
  
        return this.rval;
      },
      dispatchException: function dispatchException(exception) {
        if (this.done) {
          throw exception;
        }
  
        var context = this;
  
        function handle(loc, caught) {
          record.type = "throw";
          record.arg = exception;
          context.next = loc;
  
          if (caught) {
            context.method = "next";
            context.arg = undefined;
          }
  
          return !!caught;
        }
  
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
          var record = entry.completion;
  
          if (entry.tryLoc === "root") {
            return handle("end");
          }
  
          if (entry.tryLoc <= this.prev) {
            var hasCatch = hasOwn.call(entry, "catchLoc");
            var hasFinally = hasOwn.call(entry, "finallyLoc");
  
            if (hasCatch && hasFinally) {
              if (this.prev < entry.catchLoc) {
                return handle(entry.catchLoc, true);
              } else if (this.prev < entry.finallyLoc) {
                return handle(entry.finallyLoc);
              }
            } else if (hasCatch) {
              if (this.prev < entry.catchLoc) {
                return handle(entry.catchLoc, true);
              }
            } else if (hasFinally) {
              if (this.prev < entry.finallyLoc) {
                return handle(entry.finallyLoc);
              }
            } else {
              throw new Error("try statement without catch or finally");
            }
          }
        }
      },
      abrupt: function abrupt(type, arg) {
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
  
          if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
            var finallyEntry = entry;
            break;
          }
        }
  
        if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
          finallyEntry = null;
        }
  
        var record = finallyEntry ? finallyEntry.completion : {};
        record.type = type;
        record.arg = arg;
  
        if (finallyEntry) {
          this.method = "next";
          this.next = finallyEntry.finallyLoc;
          return ContinueSentinel;
        }
  
        return this.complete(record);
      },
      complete: function complete(record, afterLoc) {
        if (record.type === "throw") {
          throw record.arg;
        }
  
        if (record.type === "break" || record.type === "continue") {
          this.next = record.arg;
        } else if (record.type === "return") {
          this.rval = this.arg = record.arg;
          this.method = "return";
          this.next = "end";
        } else if (record.type === "normal" && afterLoc) {
          this.next = afterLoc;
        }
  
        return ContinueSentinel;
      },
      finish: function finish(finallyLoc) {
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
  
          if (entry.finallyLoc === finallyLoc) {
            this.complete(entry.completion, entry.afterLoc);
            resetTryEntry(entry);
            return ContinueSentinel;
          }
        }
      },
      "catch": function _catch(tryLoc) {
        for (var i = this.tryEntries.length - 1; i >= 0; --i) {
          var entry = this.tryEntries[i];
  
          if (entry.tryLoc === tryLoc) {
            var record = entry.completion;
  
            if (record.type === "throw") {
              var thrown = record.arg;
              resetTryEntry(entry);
            }
  
            return thrown;
          }
        }
  
        throw new Error("illegal catch attempt");
      },
      delegateYield: function delegateYield(iterable, resultName, nextLoc) {
        this.delegate = {
          iterator: values(iterable),
          resultName: resultName,
          nextLoc: nextLoc
        };
  
        if (this.method === "next") {
          this.arg = undefined;
        }
  
        return ContinueSentinel;
      }
    };
    return exports;
  }(( false ? undefined : _typeof(module)) === "object" ? module.exports : {});
  
  try {
    regeneratorRuntime = runtime;
  } catch (accidentalStrictMode) {
    Function("r", "regeneratorRuntime = r")(runtime);
  }
  /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(4)(module)))
  
  /***/ }),
  /* 4 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  module.exports = function (module) {
    if (!module.webpackPolyfill) {
      module.deprecate = function () {};
  
      module.paths = [];
      if (!module.children) module.children = [];
      Object.defineProperty(module, "loaded", {
        enumerable: true,
        get: function get() {
          return module.l;
        }
      });
      Object.defineProperty(module, "id", {
        enumerable: true,
        get: function get() {
          return module.i;
        }
      });
      module.webpackPolyfill = 1;
    }
  
    return module;
  };
  
  /***/ }),
  /* 5 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.isValidRotation = isValidRotation;
  exports.isValidScrollMode = isValidScrollMode;
  exports.isValidSpreadMode = isValidSpreadMode;
  exports.isPortraitOrientation = isPortraitOrientation;
  exports.getGlobalEventBus = getGlobalEventBus;
  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.waitOnEventOrTimeout = waitOnEventOrTimeout;
  exports.moveToEndOfArray = moveToEndOfArray;
  exports.WaitOnType = exports.animationStarted = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.SpreadMode = exports.ScrollMode = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = void 0;
  
  var _regenerator = _interopRequireDefault(__webpack_require__(2));
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
  
  function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
  
  function _iterableToArrayLimit(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"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
  
  function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
  
  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
  
  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
  
  var CSS_UNITS = 96.0 / 72.0;
  exports.CSS_UNITS = CSS_UNITS;
  var DEFAULT_SCALE_VALUE = 'auto';
  exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
  var DEFAULT_SCALE = 1.0;
  exports.DEFAULT_SCALE = DEFAULT_SCALE;
  var MIN_SCALE = 0.10;
  exports.MIN_SCALE = MIN_SCALE;
  var MAX_SCALE = 10.0;
  exports.MAX_SCALE = MAX_SCALE;
  var UNKNOWN_SCALE = 0;
  exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
  var MAX_AUTO_SCALE = 1.25;
  exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
  var SCROLLBAR_PADDING = 40;
  exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
  var VERTICAL_PADDING = 5;
  exports.VERTICAL_PADDING = VERTICAL_PADDING;
  var PresentationModeState = {
    UNKNOWN: 0,
    NORMAL: 1,
    CHANGING: 2,
    FULLSCREEN: 3
  };
  exports.PresentationModeState = PresentationModeState;
  var RendererType = {
    CANVAS: 'canvas',
    SVG: 'svg'
  };
  exports.RendererType = RendererType;
  var TextLayerMode = {
    DISABLE: 0,
    ENABLE: 1,
    ENABLE_ENHANCE: 2
  };
  exports.TextLayerMode = TextLayerMode;
  var ScrollMode = {
    UNKNOWN: -1,
    VERTICAL: 0,
    HORIZONTAL: 1,
    WRAPPED: 2
  };
  exports.ScrollMode = ScrollMode;
  var SpreadMode = {
    UNKNOWN: -1,
    NONE: 0,
    ODD: 1,
    EVEN: 2
  };
  exports.SpreadMode = SpreadMode;
  
  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 () {
      var _getLanguage = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee() {
        return _regenerator["default"].wrap(function _callee$(_context) {
          while (1) {
            switch (_context.prev = _context.next) {
              case 0:
                return _context.abrupt("return", 'en-us');
  
              case 1:
              case "end":
                return _context.stop();
            }
          }
        }, _callee);
      }));
  
      function getLanguage() {
        return _getLanguage.apply(this, arguments);
      }
  
      return getLanguage;
    }(),
    getDirection: function () {
      var _getDirection = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee2() {
        return _regenerator["default"].wrap(function _callee2$(_context2) {
          while (1) {
            switch (_context2.prev = _context2.next) {
              case 0:
                return _context2.abrupt("return", 'ltr');
  
              case 1:
              case "end":
                return _context2.stop();
            }
          }
        }, _callee2);
      }));
  
      function getDirection() {
        return _getDirection.apply(this, arguments);
      }
  
      return getDirection;
    }(),
    get: function () {
      var _get = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee3(property, args, fallback) {
        return _regenerator["default"].wrap(function _callee3$(_context3) {
          while (1) {
            switch (_context3.prev = _context3.next) {
              case 0:
                return _context3.abrupt("return", formatL10nValue(fallback, args));
  
              case 1:
              case "end":
                return _context3.stop();
            }
          }
        }, _callee3);
      }));
  
      function get(_x, _x2, _x3) {
        return _get.apply(this, arguments);
      }
  
      return get;
    }(),
    translate: function () {
      var _translate = _asyncToGenerator(
      /*#__PURE__*/
      _regenerator["default"].mark(function _callee4(element) {
        return _regenerator["default"].wrap(function _callee4$(_context4) {
          while (1) {
            switch (_context4.prev = _context4.next) {
              case 0:
              case "end":
                return _context4.stop();
            }
          }
        }, _callee4);
      }));
  
      function translate(_x4) {
        return _translate.apply(this, arguments);
      }
  
      return translate;
    }()
  };
  exports.NullL10n = NullL10n;
  
  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);
    params.toString = function () { return JSON.stringify(this); };
  
    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;
  
    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 = [],
        numViews = views.length;
    var firstVisibleElementInd = numViews === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);
  
    if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
      firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
    }
  
    var lastEdge = horizontal ? right : -1;
  
    for (var i = firstVisibleElementInd; i < numViews; i++) {
      var view = views[i],
          element = view.div;
      var currentWidth = element.offsetLeft + element.clientLeft;
      var currentHeight = element.offsetTop + element.clientTop;
      var viewWidth = element.clientWidth,
          viewHeight = element.clientHeight;
      var viewRight = currentWidth + viewWidth;
      var 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;
      }
  
      var hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
      var hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
      var percent = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
      visible.push({
        id: view.id,
        x: currentWidth,
        y: currentHeight,
        view: view,
        percent: percent
      });
    }
  
    var first = visible[0],
        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.substring(i, i + 5).toLowerCase() === 'data:';
  }
  
  function getPDFFileNameFromURL(url) {
    var providedFileName = window.getUrlParameterByName('fileName'); //c1s
    if (providedFileName) {
      return providedFileName;
    }//c1e
  
    var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf';
  
    if (typeof url !== 'string') {
      return defaultFilename;
    }
  
    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 isValidScrollMode(mode) {
    return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
  }
  
  function isValidSpreadMode(mode) {
    return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
  }
  
  function isPortraitOrientation(size) {
    return size.width <= size.height;
  }
  
  var WaitOnType = {
    EVENT: 'event',
    TIMEOUT: 'timeout'
  };
  exports.WaitOnType = WaitOnType;
  
  function waitOnEventOrTimeout(_ref2) {
    var target = _ref2.target,
        name = _ref2.name,
        _ref2$delay = _ref2.delay,
        delay = _ref2$delay === void 0 ? 0 : _ref2$delay;
    return new Promise(function (resolve, reject) {
      if (_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);
  });
  exports.animationStarted = animationStarted;
  
  var EventBus =
  /*#__PURE__*/
  function () {
    function EventBus() {
      var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
          _ref3$dispatchToDOM = _ref3.dispatchToDOM,
          dispatchToDOM = _ref3$dispatchToDOM === void 0 ? false : _ref3$dispatchToDOM;
  
      _classCallCheck(this, EventBus);
  
      this._listeners = Object.create(null);
      this._dispatchToDOM = dispatchToDOM === true;
    }
  
    _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;
  
        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) {
          if (this._dispatchToDOM) {
            var _args5 = Array.prototype.slice.call(arguments, 1);
  
            this._dispatchDOMEvent(eventName, _args5);
          }
  
          return;
        }
  
        var args = Array.prototype.slice.call(arguments, 1);
        eventListeners.slice(0).forEach(function (listener) {
          listener.apply(null, args);
        });
  
        if (this._dispatchToDOM) {
          this._dispatchDOMEvent(eventName, args);
        }
      }
    }, {
      key: "_dispatchDOMEvent",
      value: function _dispatchDOMEvent(eventName) {
        var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
        var details = Object.create(null);
  
        if (args && args.length > 0) {
          var obj = args[0];
  
          for (var key in obj) {
            var value = obj[key];
  
            if (key === 'source') {
              if (value === window || value === document) {
                return;
              }
  
              continue;
            }
  
            details[key] = value;
          }
        }
  
        var event = document.createEvent('CustomEvent');
        event.initCustomEvent(eventName, true, true, details);
        document.dispatchEvent(event);
      }
    }]);
  
    return EventBus;
  }();
  
  exports.EventBus = EventBus;
  var globalEventBus = null;
  
  function getGlobalEventBus() {
    var dispatchToDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  
    if (!globalEventBus) {
      globalEventBus = new EventBus({
        dispatchToDOM: dispatchToDOM
      });
    }
  
    return globalEventBus;
  }
  
  function clamp(v, min, max) {
    return Math.min(Math.max(v, min), max);
  }
  
  var ProgressBar =
  /*#__PURE__*/
  function () {
    function ProgressBar(id) {
      var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
          height = _ref4.height,
          width = _ref4.width,
          units = _ref4.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;
  }();
  
  exports.ProgressBar = 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];
    }
  }
  
  /***/ }),
  /* 6 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.OptionKind = exports.AppOptions = void 0;
  
  var _pdfjsLib = __webpack_require__(7);
  
  var _viewer_compatibility = __webpack_require__(8);
  
  function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var OptionKind = {
    VIEWER: 0x02,
    API: 0x04,
    WORKER: 0x08,
    PREFERENCE: 0x80
  };
  exports.OptionKind = OptionKind;
  var defaultOptions = {
    cursorToolOnLoad: {
      value: 0,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    defaultUrl: {
      value: 'compressed.tracemonkey-pldi-09.pdf',
      kind: OptionKind.VIEWER
    },
    defaultZoomValue: {
      value: '',
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    disableHistory: {
      value: false,
      kind: OptionKind.VIEWER
    },
    disablePageLabels: {
      value: false,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    enablePrintAutoRotate: {
      value: false,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    enableWebGL: {
      value: false,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    eventBusDispatchToDOM: {
      value: false,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    externalLinkRel: {
      value: 'noopener noreferrer nofollow',
      kind: OptionKind.VIEWER
    },
    externalLinkTarget: {
      value: 0,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    historyUpdateUrl: {
      value: false,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    imageResourcesPath: {
      value: './images/',
      kind: OptionKind.VIEWER
    },
    maxCanvasPixels: {
      value: 16777216,
      compatibility: _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels,
      kind: OptionKind.VIEWER
    },
    pdfBugEnabled: {
      value: false,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    renderer: {
      value: 'canvas',
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    renderInteractiveForms: {
      value: false,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    sidebarViewOnLoad: {
      value: -1,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    scrollModeOnLoad: {
      value: -1,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    spreadModeOnLoad: {
      value: -1,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    textLayerMode: {
      value: 1,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    useOnlyCssZoom: {
      value: false,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    viewOnLoad: {
      value: 0,
      kind: OptionKind.VIEWER + OptionKind.PREFERENCE
    },
    cMapPacked: {
      value: true,
      kind: OptionKind.API
    },
    cMapUrl: {
      value: '../web/cmaps/',
      kind: OptionKind.API
    },
    disableAutoFetch: {
      value: false,
      kind: OptionKind.API + OptionKind.PREFERENCE
    },
    disableCreateObjectURL: {
      value: false,
      compatibility: _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL,
      kind: OptionKind.API
    },
    disableFontFace: {
      value: false,
      kind: OptionKind.API + OptionKind.PREFERENCE
    },
    disableRange: {
      value: false,
      kind: OptionKind.API + OptionKind.PREFERENCE
    },
    disableStream: {
      value: false,
      kind: OptionKind.API + OptionKind.PREFERENCE
    },
    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: '../build/pdf.worker.js',
      kind: OptionKind.WORKER
    }
  };
  {
    defaultOptions.disablePreferences = {
      value: false,
      kind: OptionKind.VIEWER
    };
    defaultOptions.locale = {
      value: typeof navigator !== 'undefined' ? navigator.language : 'en-US',
      kind: OptionKind.VIEWER
    };
  }
  var userOptions = Object.create(null);
  
  var AppOptions =
  /*#__PURE__*/
  function () {
    function AppOptions() {
      _classCallCheck(this, AppOptions);
  
      throw new Error('Cannot initialize AppOptions.');
    }
  
    _createClass(AppOptions, null, [{
      key: "get",
      value: function get(name) {
        var userOption = userOptions[name];
  
        if (userOption !== undefined) {
          return userOption;
        }
  
        var defaultOption = defaultOptions[name];
  
        if (defaultOption !== undefined) {
          return defaultOption.compatibility || defaultOption.value;
        }
  
        return 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];
  
          if (kind) {
            if ((kind & defaultOption.kind) === 0) {
              continue;
            }
  
            if (kind === OptionKind.PREFERENCE) {
              var value = defaultOption.value,
                  valueType = _typeof(value);
  
              if (valueType === 'boolean' || valueType === 'string' || valueType === 'number' && Number.isInteger(value)) {
                options[name] = value;
                continue;
              }
  
              throw new Error("Invalid type for preference: ".concat(name));
            }
          }
  
          var userOption = userOptions[name];
          options[name] = userOption !== undefined ? userOption : defaultOption.compatibility || 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;
  }();
  
  
  window.getUrlParameterByName = function(name, url) { //c1s
    if (!url) url = window.location.href;
    name = name.replace(/[\[\]]/g, "\\$&");
    var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
      results = regex.exec(url);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, " "));
  }
  
  window.setCustomError = function(moreInfo) {
    let errorMessage = window.getUrlParameterByName('errorMessage');
    if(errorMessage) {
      let errorOverride = window.getUrlParameterByName('errorOverride');
      if (errorOverride) {
        moreInfo.errorOverride = true;
        moreInfo.errorMessage = errorMessage;
      }
  
      let errorAppend = window.getUrlParameterByName('errorAppend');
      if (errorAppend) {
        moreInfo.errorAppend = true;
        moreInfo.errorMessage = errorMessage;
      }
    }
  }
  
  window.applyUserDefaults = function (appOptions) {
    let locale = window.getUrlParameterByName('locale');
    if (locale) {
      appOptions.set('locale', locale);    
    }
  
    let useOnlyCssZoom = window.getUrlParameterByName('useOnlyCssZoom');
    if (useOnlyCssZoom) {
        appOptions.set('useOnlyCssZoom', true);
    }
  }
  
  window.applyParameterOverride = function(config) {
    if (window.getUrlParameterByName('openFile') === "false") {
      config.toolbar.openFile.setAttribute('hidden', 'true');
      config.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
    }
    if (window.getUrlParameterByName('download') === "false") {
      config.toolbar.download.setAttribute('hidden', 'true');
      config.secondaryToolbar.downloadButton.setAttribute('hidden', 'true');
    }
    if (window.getUrlParameterByName('viewBookmark') === "false") {
      config.toolbar.viewBookmark.setAttribute('hidden', 'true');
      config.secondaryToolbar.viewBookmarkButton.setAttribute('hidden', 'true');
    }
    if (window.getUrlParameterByName('print') === "false") {
      config.toolbar.print.classList.add('hidden');
      config.secondaryToolbar.printButton.classList.add('hidden');
    }
    if (window.getUrlParameterByName('fullScreen') === "false") {
      config.toolbar.presentationModeButton.classList.add('hidden');
      config.secondaryToolbar.presentationModeButton.classList.add('hidden');
    }
    if (window.getUrlParameterByName('find') === "false") {
      config.toolbar.viewFind.classList.add('hidden');
    }
  }//c1e
  
  window.applyUserDefaults(AppOptions); //c1
  exports.AppOptions = AppOptions;
  
  /***/ }),
  /* 7 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  var pdfjsLib;
  
  if (typeof window !== 'undefined' && window['pdfjs-dist/build/pdf']) {
    pdfjsLib = window['pdfjs-dist/build/pdf'];
  } else {
    pdfjsLib = require('../build/pdf.js');
  }
  
  module.exports = pdfjsLib;
  
  /***/ }),
  /* 8 */
  /***/ (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);
  
  /***/ }),
  /* 9 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFCursorTools = exports.CursorTool = void 0;
  
  var _grab_to_pan = __webpack_require__(10);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var CursorTool = {
    SELECT: 0,
    HAND: 1,
    ZOOM: 2
  };
  exports.CursorTool = CursorTool;
  
  var PDFCursorTools =
  /*#__PURE__*/
  function () {
    function PDFCursorTools(_ref) {
      var _this = this;
  
      var container = _ref.container,
          eventBus = _ref.eventBus,
          _ref$cursorToolOnLoad = _ref.cursorToolOnLoad,
          cursorToolOnLoad = _ref$cursorToolOnLoad === void 0 ? 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: \"".concat(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;
  
          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.PDFCursorTools = PDFCursorTools;
  
  /***/ }),
  /* 10 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.GrabToPan = GrabToPan;
  
  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;
    }
  
    return false;
  }
  
  /***/ }),
  /* 11 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFRenderingQueue = exports.RenderingStates = void 0;
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var CLEANUP_TIMEOUT = 30000;
  var RenderingStates = {
    INITIAL: 0,
    RUNNING: 1,
    PAUSED: 2,
    FINISHED: 3
  };
  exports.RenderingStates = RenderingStates;
  
  var PDFRenderingQueue =
  /*#__PURE__*/
  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 null;
        }
  
        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;
            view.draw()["finally"](function () {
              _this.renderHighestPriority();
            });
            break;
        }
  
        return true;
      }
    }]);
  
    return PDFRenderingQueue;
  }();
  
  exports.PDFRenderingQueue = PDFRenderingQueue;
  
  /***/ }),
  /* 12 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFSidebar = exports.SidebarView = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdf_rendering_queue = __webpack_require__(11);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var UI_NOTIFICATION_CLASS = 'pdfSidebarNotification';
  var SidebarView = {
    UNKNOWN: -1,
    NONE: 0,
    THUMBS: 1,
    OUTLINE: 2,
    ATTACHMENTS: 3,
    LAYERS: 4
  };
  exports.SidebarView = SidebarView;
  
  var PDFSidebar =
  /*#__PURE__*/
  function () {
    function PDFSidebar(_ref) {
      var elements = _ref.elements,
          pdfViewer = _ref.pdfViewer,
          pdfThumbnailViewer = _ref.pdfThumbnailViewer,
          eventBus = _ref.eventBus,
          _ref$l10n = _ref.l10n,
          l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n,
          _ref$disableNotificat = _ref.disableNotification,
          disableNotification = _ref$disableNotificat === void 0 ? false : _ref$disableNotificat;
  
      _classCallCheck(this, PDFSidebar);
  
      this.isOpen = false;
      this.active = SidebarView.THUMBS;
      this.isInitialViewSet = false;
      this.onToggled = null;
      this.pdfViewer = pdfViewer;
      this.pdfThumbnailViewer = pdfThumbnailViewer;
      this.outerContainer = elements.outerContainer;
      this.viewerContainer = elements.viewerContainer;
      this.toggleButton = elements.toggleButton;
      this.thumbnailButton = elements.thumbnailButton;
      this.outlineButton = elements.outlineButton;
      this.attachmentsButton = elements.attachmentsButton;
      this.thumbnailView = elements.thumbnailView;
      this.outlineView = elements.outlineView;
      this.attachmentsView = elements.attachmentsView;
      this.eventBus = eventBus;
      this.l10n = l10n;
      this._disableNotification = disableNotification;
  
      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 (view === SidebarView.NONE || view === SidebarView.UNKNOWN) {
          this._dispatchEvent();
  
          return;
        }
  
        if (!this._switchView(view, true)) {
          this._dispatchEvent();
        }
      }
    }, {
      key: "switchView",
      value: function switchView(view) {
        var forceOpen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
        this._switchView(view, forceOpen);
      }
    }, {
      key: "_switchView",
      value: function _switchView(view) {
        var forceOpen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
        var isViewChanged = view !== this.active;
        var shouldForceRendering = false;
  
        switch (view) {
          case SidebarView.NONE:
            if (this.isOpen) {
              this.close();
              return true;
            }
  
            return false;
  
          case SidebarView.THUMBS:
            if (this.isOpen && isViewChanged) {
              shouldForceRendering = true;
            }
  
            break;
  
          case SidebarView.OUTLINE:
            if (this.outlineButton.disabled) {
              return false;
            }
  
            break;
  
          case SidebarView.ATTACHMENTS:
            if (this.attachmentsButton.disabled) {
              return false;
            }
  
            break;
  
          default:
            console.error("PDFSidebar._switchView: \"".concat(view, "\" is not a valid view."));
            return false;
        }
  
        this.active = view;
        this.thumbnailButton.classList.toggle('toggled', view === SidebarView.THUMBS);
        this.outlineButton.classList.toggle('toggled', view === SidebarView.OUTLINE);
        this.attachmentsButton.classList.toggle('toggled', view === SidebarView.ATTACHMENTS);
        this.thumbnailView.classList.toggle('hidden', view !== SidebarView.THUMBS);
        this.outlineView.classList.toggle('hidden', view !== SidebarView.OUTLINE);
        this.attachmentsView.classList.toggle('hidden', view !== SidebarView.ATTACHMENTS);
  
        if (forceOpen && !this.isOpen) {
          this.open();
          return true;
        }
  
        if (shouldForceRendering) {
          this._updateThumbnailViewer();
  
          this._forceRendering();
        }
  
        if (isViewChanged) {
          this._dispatchEvent();
        }
  
        this._hideUINotification(this.active);
  
        return isViewChanged;
      }
    }, {
      key: "open",
      value: function open() {
        if (this.isOpen) {
          return;
        }
  
        this.isOpen = true;
        this.toggleButton.classList.add('toggled');
        this.outerContainer.classList.add('sidebarMoving', '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.eventBus.dispatch('toggleoutlinetree', {
            source: _this3
          });
        });
        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.PDFSidebar = PDFSidebar;
  
  /***/ }),
  /* 13 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.OverlayManager = void 0;
  
  var _regenerator = _interopRequireDefault(__webpack_require__(2));
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  
  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
  
  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var OverlayManager =
  /*#__PURE__*/
  function () {
    function OverlayManager() {
      _classCallCheck(this, OverlayManager);
  
      this._overlays = {};
      this._active = null;
      this._keyDownBound = this._keyDown.bind(this);
    }
  
    _createClass(OverlayManager, [{
      key: "register",
      value: function () {
        var _register = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee(name, element) {
          var callerCloseMethod,
              canForceClose,
              container,
              _args = arguments;
          return _regenerator["default"].wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  callerCloseMethod = _args.length > 2 && _args[2] !== undefined ? _args[2] : null;
                  canForceClose = _args.length > 3 && _args[3] !== undefined ? _args[3] : false;
  
                  if (!(!name || !element || !(container = element.parentNode))) {
                    _context.next = 6;
                    break;
                  }
  
                  throw new Error('Not enough parameters.');
  
                case 6:
                  if (!this._overlays[name]) {
                    _context.next = 8;
                    break;
                  }
  
                  throw new Error('The overlay is already registered.');
  
                case 8:
                  this._overlays[name] = {
                    element: element,
                    container: container,
                    callerCloseMethod: callerCloseMethod,
                    canForceClose: canForceClose
                  };
  
                case 9:
                case "end":
                  return _context.stop();
              }
            }
          }, _callee, this);
        }));
  
        function register(_x, _x2) {
          return _register.apply(this, arguments);
        }
  
        return register;
      }()
    }, {
      key: "unregister",
      value: function () {
        var _unregister = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee2(name) {
          return _regenerator["default"].wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  if (this._overlays[name]) {
                    _context2.next = 4;
                    break;
                  }
  
                  throw new Error('The overlay does not exist.');
  
                case 4:
                  if (!(this._active === name)) {
                    _context2.next = 6;
                    break;
                  }
  
                  throw new Error('The overlay cannot be removed while it is active.');
  
                case 6:
                  delete this._overlays[name];
  
                case 7:
                case "end":
                  return _context2.stop();
              }
            }
          }, _callee2, this);
        }));
  
        function unregister(_x3) {
          return _unregister.apply(this, arguments);
        }
  
        return unregister;
      }()
    }, {
      key: "open",
      value: function () {
        var _open = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee3(name) {
          return _regenerator["default"].wrap(function _callee3$(_context3) {
            while (1) {
              switch (_context3.prev = _context3.next) {
                case 0:
                  if (this._overlays[name]) {
                    _context3.next = 4;
                    break;
                  }
  
                  throw new Error('The overlay does not exist.');
  
                case 4:
                  if (!this._active) {
                    _context3.next = 14;
                    break;
                  }
  
                  if (!this._overlays[name].canForceClose) {
                    _context3.next = 9;
                    break;
                  }
  
                  this._closeThroughCaller();
  
                  _context3.next = 14;
                  break;
  
                case 9:
                  if (!(this._active === name)) {
                    _context3.next = 13;
                    break;
                  }
  
                  throw new Error('The overlay is already active.');
  
                case 13:
                  throw new Error('Another overlay is currently active.');
  
                case 14:
                  this._active = name;
  
                  this._overlays[this._active].element.classList.remove('hidden');
  
                  this._overlays[this._active].container.classList.remove('hidden');
  
                  window.addEventListener('keydown', this._keyDownBound);
  
                case 18:
                case "end":
                  return _context3.stop();
              }
            }
          }, _callee3, this);
        }));
  
        function open(_x4) {
          return _open.apply(this, arguments);
        }
  
        return open;
      }()
    }, {
      key: "close",
      value: function () {
        var _close = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee4(name) {
          return _regenerator["default"].wrap(function _callee4$(_context4) {
            while (1) {
              switch (_context4.prev = _context4.next) {
                case 0:
                  if (this._overlays[name]) {
                    _context4.next = 4;
                    break;
                  }
  
                  throw new Error('The overlay does not exist.');
  
                case 4:
                  if (this._active) {
                    _context4.next = 8;
                    break;
                  }
  
                  throw new Error('The overlay is currently not active.');
  
                case 8:
                  if (!(this._active !== name)) {
                    _context4.next = 10;
                    break;
                  }
  
                  throw new Error('Another overlay is currently active.');
  
                case 10:
                  this._overlays[this._active].container.classList.add('hidden');
  
                  this._overlays[this._active].element.classList.add('hidden');
  
                  this._active = null;
                  window.removeEventListener('keydown', this._keyDownBound);
  
                case 14:
                case "end":
                  return _context4.stop();
              }
            }
          }, _callee4, this);
        }));
  
        function close(_x5) {
          return _close.apply(this, arguments);
        }
  
        return close;
      }()
    }, {
      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;
  
  /***/ }),
  /* 14 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PasswordPrompt = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdfjsLib = __webpack_require__(7);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var PasswordPrompt =
  /*#__PURE__*/
  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;
  
          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();
          this.updateCallback(password);
        }
      }
    }, {
      key: "setUpdateCallback",
      value: function setUpdateCallback(updateCallback, reason) {
        this.updateCallback = updateCallback;
        this.reason = reason;
      }
    }]);
  
    return PasswordPrompt;
  }();
  
  exports.PasswordPrompt = PasswordPrompt;
  
  /***/ }),
  /* 15 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFAttachmentViewer = void 0;
  
  var _pdfjsLib = __webpack_require__(7);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var PDFAttachmentViewer =
  /*#__PURE__*/
  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;
  
        button.onclick = function () {
          if (!blobUrl) {
            blobUrl = (0, _pdfjsLib.createObjectURL)(content, 'application/pdf');
          }
  
          var viewerUrl;
          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 === void 0 ? 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;
  
  /***/ }),
  /* 16 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFDocumentProperties = void 0;
  
  var _regenerator = _interopRequireDefault(__webpack_require__(2));
  
  var _pdfjsLib = __webpack_require__(7);
  
  var _ui_utils = __webpack_require__(5);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  
  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
  
  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
  
  function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
  
  function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
  
  function _iterableToArrayLimit(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"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
  
  function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  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["".concat(width, "x").concat(height)];
  }
  
  var PDFDocumentProperties =
  /*#__PURE__*/
  function () {
    function PDFDocumentProperties(_ref, overlayManager, eventBus) {
      var _this = this;
  
      var overlayName = _ref.overlayName,
          fields = _ref.fields,
          container = _ref.container,
          closeButton = _ref.closeButton;
      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) {
        var url = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
  
        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 () {
        var _parseFileSize2 = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee() {
          var fileSize,
              kb,
              _args = arguments;
          return _regenerator["default"].wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  fileSize = _args.length > 0 && _args[0] !== undefined ? _args[0] : 0;
                  kb = fileSize / 1024;
  
                  if (kb) {
                    _context.next = 6;
                    break;
                  }
  
                  return _context.abrupt("return", undefined);
  
                case 6:
                  if (!(kb < 1024)) {
                    _context.next = 8;
                    break;
                  }
  
                  return _context.abrupt("return", this.l10n.get('document_properties_kb', {
                    size_kb: (+kb.toPrecision(3)).toLocaleString(),
                    size_b: fileSize.toLocaleString()
                  }, '{{size_kb}} KB ({{size_b}} bytes)'));
  
                case 8:
                  return _context.abrupt("return", this.l10n.get('document_properties_mb', {
                    size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
                    size_b: fileSize.toLocaleString()
                  }, '{{size_mb}} MB ({{size_b}} bytes)'));
  
                case 9:
                case "end":
                  return _context.stop();
              }
            }
          }, _callee, this);
        }));
  
        function _parseFileSize() {
          return _parseFileSize2.apply(this, arguments);
        }
  
        return _parseFileSize;
      }()
    }, {
      key: "_parsePageSize",
      value: function () {
        var _parsePageSize2 = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee2(pageSizeInches, pagesRotation) {
          var _this3 = this;
  
          var isPortrait, sizeInches, sizeMillimeters, pageName, name, exactMillimeters, intMillimeters;
          return _regenerator["default"].wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  if (pageSizeInches) {
                    _context2.next = 2;
                    break;
                  }
  
                  return _context2.abrupt("return", undefined);
  
                case 2:
                  if (pagesRotation % 180 !== 0) {
                    pageSizeInches = {
                      width: pageSizeInches.height,
                      height: pageSizeInches.width
                    };
                  }
  
                  isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
                  sizeInches = {
                    width: Math.round(pageSizeInches.width * 100) / 100,
                    height: Math.round(pageSizeInches.height * 100) / 100
                  };
                  sizeMillimeters = {
                    width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
                    height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
                  };
                  pageName = null;
                  name = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
  
                  if (!name && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
                    exactMillimeters = {
                      width: pageSizeInches.width * 25.4,
                      height: pageSizeInches.height * 25.4
                    };
                    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 _context2.abrupt("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}})');
                  }));
  
                case 11:
                case "end":
                  return _context2.stop();
              }
            }
          }, _callee2, this);
        }));
  
        function _parsePageSize(_x, _x2) {
          return _parsePageSize2.apply(this, arguments);
        }
  
        return _parsePageSize;
      }()
    }, {
      key: "_parseDate",
      value: function () {
        var _parseDate2 = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee3(inputDate) {
          var dateObject;
          return _regenerator["default"].wrap(function _callee3$(_context3) {
            while (1) {
              switch (_context3.prev = _context3.next) {
                case 0:
                  dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate);
  
                  if (dateObject) {
                    _context3.next = 3;
                    break;
                  }
  
                  return _context3.abrupt("return", undefined);
  
                case 3:
                  return _context3.abrupt("return", this.l10n.get('document_properties_date_string', {
                    date: dateObject.toLocaleDateString(),
                    time: dateObject.toLocaleTimeString()
                  }, '{{date}}, {{time}}'));
  
                case 4:
                case "end":
                  return _context3.stop();
              }
            }
          }, _callee3, this);
        }));
  
        function _parseDate(_x3) {
          return _parseDate2.apply(this, arguments);
        }
  
        return _parseDate;
      }()
    }, {
      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;
  
  /***/ }),
  /* 17 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFFindBar = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdf_find_controller = __webpack_require__(18);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var MATCHES_COUNT_LIMIT = 1000;
  
  var PDFFindBar =
  /*#__PURE__*/
  function () {
    function PDFFindBar(options) {
      var _this = this;
  
      var eventBus = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (0, _ui_utils.getGlobalEventBus)();
      var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _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.entireWord = options.entireWordCheckbox || null;
      this.findMsg = options.findMsg || null;
      this.findResultsCount = options.findResultsCount || null;
      this.findPreviousButton = options.findPreviousButton || null;
      this.findNextButton = options.findNextButton || null;
      this.eventBus = eventBus;
      this.l10n = l10n;
      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.entireWord.addEventListener('click', function () {
        _this.dispatchEvent('entirewordchange');
      });
      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,
          phraseSearch: true,
          caseSensitive: this.caseSensitive.checked,
          entireWord: this.entireWord.checked,
          highlightAll: this.highlightAll.checked,
          findPrevious: findPrev
        });
      }
    }, {
      key: "updateUIState",
      value: function updateUIState(state, previous, matchesCount) {
        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;
        }
  
        this.findField.classList.toggle('notFound', notFound);
        this.findField.setAttribute('data-status', status);
        Promise.resolve(findMsg).then(function (msg) {
          _this2.findMsg.textContent = msg;
  
          _this2._adjustWidth();
        });
        this.updateResultsCount(matchesCount);
      }
    }, {
      key: "updateResultsCount",
      value: function updateResultsCount() {
        var _this3 = this;
  
        var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
            _ref$current = _ref.current,
            current = _ref$current === void 0 ? 0 : _ref$current,
            _ref$total = _ref.total,
            total = _ref$total === void 0 ? 0 : _ref$total;
  
        if (!this.findResultsCount) {
          return;
        }
  
        var matchesCountMsg = '',
            limit = MATCHES_COUNT_LIMIT;
  
        if (total > 0) {
          if (total > limit) {
            matchesCountMsg = this.l10n.get('find_match_count_limit', {
              limit: limit
            }, 'More than {{limit}} match' + (limit !== 1 ? 'es' : ''));
          } else {
            matchesCountMsg = this.l10n.get('find_match_count', {
              current: current,
              total: total
            }, '{{current}} of {{total}} match' + (total !== 1 ? 'es' : ''));
          }
        }
  
        Promise.resolve(matchesCountMsg).then(function (msg) {
          _this3.findResultsCount.textContent = msg;
  
          _this3.findResultsCount.classList.toggle('hidden', !total);
  
          _this3._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.eventBus.dispatch('findbarclose', {
          source: this
        });
      }
    }, {
      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;
  
  /***/ }),
  /* 18 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFFindController = exports.FindState = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdfjsLib = __webpack_require__(7);
  
  var _pdf_find_utils = __webpack_require__(19);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var FindState = {
    FOUND: 0,
    NOT_FOUND: 1,
    WRAPPED: 2,
    PENDING: 3
  };
  exports.FindState = FindState;
  var FIND_TIMEOUT = 250;
  var MATCH_SCROLL_OFFSET_TOP = -50;
  var MATCH_SCROLL_OFFSET_LEFT = -400;
  var CHARACTERS_TO_NORMALIZE = {
    "\u2018": '\'',
    "\u2019": '\'',
    "\u201A": '\'',
    "\u201B": '\'',
    "\u201C": '"',
    "\u201D": '"',
    "\u201E": '"',
    "\u201F": '"',
    "\xBC": '1/4',
    "\xBD": '1/2',
    "\xBE": '3/4'
  };
  var normalizationRegex = null;
  
  function normalize(text) {
    if (!normalizationRegex) {
      var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
      normalizationRegex = new RegExp("[".concat(replace, "]"), 'g');
    }
  
    return text.replace(normalizationRegex, function (ch) {
      return CHARACTERS_TO_NORMALIZE[ch];
    });
  }
  
  var PDFFindController =
  /*#__PURE__*/
  function () {
    function PDFFindController(_ref) {
      var linkService = _ref.linkService,
          _ref$eventBus = _ref.eventBus,
          eventBus = _ref$eventBus === void 0 ? (0, _ui_utils.getGlobalEventBus)() : _ref$eventBus;
  
      _classCallCheck(this, PDFFindController);
  
      this._linkService = linkService;
      this._eventBus = eventBus;
  
      this._reset();
  
      eventBus.on('findbarclose', this._onFindBarClose.bind(this));
    }
  
    _createClass(PDFFindController, [{
      key: "setDocument",
      value: function setDocument(pdfDocument) {
        if (this._pdfDocument) {
          this._reset();
        }
  
        if (!pdfDocument) {
          return;
        }
  
        this._pdfDocument = pdfDocument;
  
        this._firstPageCapability.resolve();
      }
    }, {
      key: "executeCommand",
      value: function executeCommand(cmd, state) {
        var _this = this;
  
        if (!state) {
          return;
        }
  
        var pdfDocument = this._pdfDocument;
  
        if (this._state === null || this._shouldDirtyMatch(cmd, state)) {
          this._dirtyMatch = true;
        }
  
        this._state = state;
  
        if (cmd !== 'findhighlightallchange') {
          this._updateUIState(FindState.PENDING);
        }
  
        this._firstPageCapability.promise.then(function () {
          if (!_this._pdfDocument || pdfDocument && _this._pdfDocument !== pdfDocument) {
            return;
          }
  
          _this._extractText();
  
          var findbarClosed = !_this._highlightMatches;
          var pendingTimeout = !!_this._findTimeout;
  
          if (_this._findTimeout) {
            clearTimeout(_this._findTimeout);
            _this._findTimeout = null;
          }
  
          if (cmd === 'find') {
            _this._findTimeout = setTimeout(function () {
              _this._nextMatch();
  
              _this._findTimeout = null;
            }, FIND_TIMEOUT);
          } else if (_this._dirtyMatch) {
            _this._nextMatch();
          } else if (cmd === 'findagain') {
            _this._nextMatch();
  
            if (findbarClosed && _this._state.highlightAll) {
              _this._updateAllPages();
            }
          } else if (cmd === 'findhighlightallchange') {
            if (pendingTimeout) {
              _this._nextMatch();
            } else {
              _this._highlightMatches = true;
            }
  
            _this._updateAllPages();
          } else {
            _this._nextMatch();
          }
        });
      }
    }, {
      key: "scrollMatchIntoView",
      value: function scrollMatchIntoView(_ref2) {
        var _ref2$element = _ref2.element,
            element = _ref2$element === void 0 ? null : _ref2$element,
            _ref2$pageIndex = _ref2.pageIndex,
            pageIndex = _ref2$pageIndex === void 0 ? -1 : _ref2$pageIndex,
            _ref2$matchIndex = _ref2.matchIndex,
            matchIndex = _ref2$matchIndex === void 0 ? -1 : _ref2$matchIndex;
  
        if (!this._scrollMatches || !element) {
          return;
        } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
          return;
        } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
          return;
        }
  
        this._scrollMatches = false;
        var spot = {
          top: MATCH_SCROLL_OFFSET_TOP,
          left: MATCH_SCROLL_OFFSET_LEFT
        };
        (0, _ui_utils.scrollIntoView)(element, spot, true);
      }
    }, {
      key: "_reset",
      value: function _reset() {
        this._highlightMatches = false;
        this._scrollMatches = false;
        this._pdfDocument = null;
        this._pageMatches = [];
        this._pageMatchesLength = [];
        this._state = null;
        this._selected = {
          pageIdx: -1,
          matchIdx: -1
        };
        this._offset = {
          pageIdx: null,
          matchIdx: null,
          wrapped: false
        };
        this._extractTextPromises = [];
        this._pageContents = [];
        this._matchesCountTotal = 0;
        this._pagesToSearch = null;
        this._pendingFindMatches = Object.create(null);
        this._resumePageIdx = null;
        this._dirtyMatch = false;
        clearTimeout(this._findTimeout);
        this._findTimeout = null;
        this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
      }
    }, {
      key: "_shouldDirtyMatch",
      value: function _shouldDirtyMatch(cmd, state) {
        if (state.query !== this._state.query) {
          return true;
        }
  
        switch (cmd) {
          case 'findagain':
            var pageNumber = this._selected.pageIdx + 1;
            var linkService = this._linkService;
  
            if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && linkService.page !== pageNumber && linkService.isPageVisible && !linkService.isPageVisible(pageNumber)) {
              break;
            }
  
            return false;
  
          case 'findhighlightallchange':
            return false;
        }
  
        return true;
      }
    }, {
      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: "_isEntireWord",
      value: function _isEntireWord(content, startIdx, length) {
        if (startIdx > 0) {
          var first = content.charCodeAt(startIdx);
          var limit = content.charCodeAt(startIdx - 1);
  
          if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
            return false;
          }
        }
  
        var endIdx = startIdx + length - 1;
  
        if (endIdx < content.length - 1) {
          var last = content.charCodeAt(endIdx);
  
          var _limit = content.charCodeAt(endIdx + 1);
  
          if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(_limit)) {
            return false;
          }
        }
  
        return true;
      }
    }, {
      key: "_calculatePhraseMatch",
      value: function _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {
        var matches = [];
        var queryLen = query.length;
        var matchIdx = -queryLen;
  
        while (true) {
          matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
  
          if (matchIdx === -1) {
            break;
          }
  
          if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
            continue;
          }
  
          matches.push(matchIdx);
        }
  
        this._pageMatches[pageIndex] = matches;
      }
    }, {
      key: "_calculateWordMatch",
      value: function _calculateWordMatch(query, pageIndex, pageContent, entireWord) {
        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;
            }
  
            if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
              continue;
            }
  
            matchesWithLength.push({
              match: matchIdx,
              matchLength: subqueryLen,
              skipped: false
            });
          }
        }
  
        this._pageMatchesLength[pageIndex] = [];
        this._pageMatches[pageIndex] = [];
  
        this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
      }
    }, {
      key: "_calculateMatch",
      value: function _calculateMatch(pageIndex) {
        var pageContent = this._pageContents[pageIndex];
        var query = this._query;
        var _this$_state = this._state,
            caseSensitive = _this$_state.caseSensitive,
            entireWord = _this$_state.entireWord,
            phraseSearch = _this$_state.phraseSearch;
  
        if (query.length === 0) {
          return;
        }
  
        if (!caseSensitive) {
          pageContent = pageContent.toLowerCase();
          query = query.toLowerCase();
        }
  
        if (phraseSearch) {
          this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);
        } else {
          this._calculateWordMatch(query, pageIndex, pageContent, entireWord);
        }
  
        if (this._state.highlightAll) {
          this._updatePage(pageIndex);
        }
  
        if (this._resumePageIdx === pageIndex) {
          this._resumePageIdx = null;
  
          this._nextPageMatch();
        }
  
        var pageMatchesCount = this._pageMatches[pageIndex].length;
  
        if (pageMatchesCount > 0) {
          this._matchesCountTotal += pageMatchesCount;
  
          this._updateUIResultsCount();
        }
      }
    }, {
      key: "_extractText",
      value: function _extractText() {
        var _this2 = this;
  
        if (this._extractTextPromises.length > 0) {
          return;
        }
  
        var promise = Promise.resolve();
  
        var _loop = function _loop(i, ii) {
          var extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
          _this2._extractTextPromises[i] = extractTextCapability.promise;
          promise = promise.then(function () {
            return _this2._pdfDocument.getPage(i + 1).then(function (pdfPage) {
              return pdfPage.getTextContent({
                normalizeWhitespace: true
              });
            }).then(function (textContent) {
              var textItems = textContent.items;
              var strBuf = [];
  
              for (var j = 0, jj = textItems.length; j < jj; j++) {
                strBuf.push(textItems[j].str);
              }
  
              _this2._pageContents[i] = normalize(strBuf.join(''));
              extractTextCapability.resolve(i);
            }, function (reason) {
              console.error("Unable to get text content for page ".concat(i + 1), reason);
              _this2._pageContents[i] = '';
              extractTextCapability.resolve(i);
            });
          });
        };
  
        for (var i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
          _loop(i, ii);
        }
      }
    }, {
      key: "_updatePage",
      value: function _updatePage(index) {
        if (this._scrollMatches && this._selected.pageIdx === index) {
          this._linkService.page = index + 1;
        }
  
        this._eventBus.dispatch('updatetextlayermatches', {
          source: this,
          pageIndex: index
        });
      }
    }, {
      key: "_updateAllPages",
      value: function _updateAllPages() {
        this._eventBus.dispatch('updatetextlayermatches', {
          source: this,
          pageIndex: -1
        });
      }
    }, {
      key: "_nextMatch",
      value: function _nextMatch() {
        var _this3 = this;
  
        var previous = this._state.findPrevious;
        var currentPageIndex = this._linkService.page - 1;
        var numPages = this._linkService.pagesCount;
        this._highlightMatches = true;
  
        if (this._dirtyMatch) {
          this._dirtyMatch = false;
          this._selected.pageIdx = this._selected.matchIdx = -1;
          this._offset.pageIdx = currentPageIndex;
          this._offset.matchIdx = null;
          this._offset.wrapped = false;
          this._resumePageIdx = null;
          this._pageMatches.length = 0;
          this._pageMatchesLength.length = 0;
          this._matchesCountTotal = 0;
  
          this._updateAllPages();
  
          for (var i = 0; i < numPages; i++) {
            if (this._pendingFindMatches[i] === true) {
              continue;
            }
  
            this._pendingFindMatches[i] = true;
  
            this._extractTextPromises[i].then(function (pageIdx) {
              delete _this3._pendingFindMatches[pageIdx];
  
              _this3._calculateMatch(pageIdx);
            });
          }
        }
  
        if (this._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) {
            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) {
          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._linkService.pagesCount;
        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._scrollMatches = true;
  
          this._updatePage(this._selected.pageIdx);
        }
      }
    }, {
      key: "_onFindBarClose",
      value: function _onFindBarClose(evt) {
        var _this4 = this;
  
        var pdfDocument = this._pdfDocument;
  
        this._firstPageCapability.promise.then(function () {
          if (!_this4._pdfDocument || pdfDocument && _this4._pdfDocument !== pdfDocument) {
            return;
          }
  
          if (_this4._findTimeout) {
            clearTimeout(_this4._findTimeout);
            _this4._findTimeout = null;
          }
  
          if (_this4._resumePageIdx) {
            _this4._resumePageIdx = null;
            _this4._dirtyMatch = true;
          }
  
          _this4._updateUIState(FindState.FOUND);
  
          _this4._highlightMatches = false;
  
          _this4._updateAllPages();
        });
      }
    }, {
      key: "_requestMatchesCount",
      value: function _requestMatchesCount() {
        var _this$_selected = this._selected,
            pageIdx = _this$_selected.pageIdx,
            matchIdx = _this$_selected.matchIdx;
        var current = 0,
            total = this._matchesCountTotal;
  
        if (matchIdx !== -1) {
          for (var i = 0; i < pageIdx; i++) {
            current += this._pageMatches[i] && this._pageMatches[i].length || 0;
          }
  
          current += matchIdx + 1;
        }
  
        if (current < 1 || current > total) {
          current = total = 0;
        }
  
        return {
          current: current,
          total: total
        };
      }
    }, {
      key: "_updateUIResultsCount",
      value: function _updateUIResultsCount() {
        this._eventBus.dispatch('updatefindmatchescount', {
          source: this,
          matchesCount: this._requestMatchesCount()
        });
      }
    }, {
      key: "_updateUIState",
      value: function _updateUIState(state, previous) {
        this._eventBus.dispatch('updatefindcontrolstate', {
          source: this,
          state: state,
          previous: previous,
          matchesCount: this._requestMatchesCount()
        });
      }
    }, {
      key: "highlightMatches",
      get: function get() {
        return this._highlightMatches;
      }
    }, {
      key: "pageMatches",
      get: function get() {
        return this._pageMatches;
      }
    }, {
      key: "pageMatchesLength",
      get: function get() {
        return this._pageMatchesLength;
      }
    }, {
      key: "selected",
      get: function get() {
        return this._selected;
      }
    }, {
      key: "state",
      get: function get() {
        return this._state;
      }
    }, {
      key: "_query",
      get: function get() {
        if (this._state.query !== this._rawQuery) {
          this._rawQuery = this._state.query;
          this._normalizedQuery = normalize(this._state.query);
        }
  
        return this._normalizedQuery;
      }
    }]);
  
    return PDFFindController;
  }();
  
  exports.PDFFindController = PDFFindController;
  
  /***/ }),
  /* 19 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.getCharacterType = getCharacterType;
  exports.CharacterType = void 0;
  var CharacterType = {
    SPACE: 0,
    ALPHA_LETTER: 1,
    PUNCT: 2,
    HAN_LETTER: 3,
    KATAKANA_LETTER: 4,
    HIRAGANA_LETTER: 5,
    HALFWIDTH_KATAKANA_LETTER: 6,
    THAI_LETTER: 7
  };
  exports.CharacterType = CharacterType;
  
  function isAlphabeticalScript(charCode) {
    return charCode < 0x2E80;
  }
  
  function isAscii(charCode) {
    return (charCode & 0xFF80) === 0;
  }
  
  function isAsciiAlpha(charCode) {
    return charCode >= 0x61 && charCode <= 0x7A || charCode >= 0x41 && charCode <= 0x5A;
  }
  
  function isAsciiDigit(charCode) {
    return charCode >= 0x30 && charCode <= 0x39;
  }
  
  function isAsciiSpace(charCode) {
    return charCode === 0x20 || charCode === 0x09 || charCode === 0x0D || charCode === 0x0A;
  }
  
  function isHan(charCode) {
    return charCode >= 0x3400 && charCode <= 0x9FFF || charCode >= 0xF900 && charCode <= 0xFAFF;
  }
  
  function isKatakana(charCode) {
    return charCode >= 0x30A0 && charCode <= 0x30FF;
  }
  
  function isHiragana(charCode) {
    return charCode >= 0x3040 && charCode <= 0x309F;
  }
  
  function isHalfwidthKatakana(charCode) {
    return charCode >= 0xFF60 && charCode <= 0xFF9F;
  }
  
  function isThai(charCode) {
    return (charCode & 0xFF80) === 0x0E00;
  }
  
  function getCharacterType(charCode) {
    if (isAlphabeticalScript(charCode)) {
      if (isAscii(charCode)) {
        if (isAsciiSpace(charCode)) {
          return CharacterType.SPACE;
        } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5F) {
          return CharacterType.ALPHA_LETTER;
        }
  
        return CharacterType.PUNCT;
      } else if (isThai(charCode)) {
        return CharacterType.THAI_LETTER;
      } else if (charCode === 0xA0) {
        return CharacterType.SPACE;
      }
  
      return CharacterType.ALPHA_LETTER;
    }
  
    if (isHan(charCode)) {
      return CharacterType.HAN_LETTER;
    } else if (isKatakana(charCode)) {
      return CharacterType.KATAKANA_LETTER;
    } else if (isHiragana(charCode)) {
      return CharacterType.HIRAGANA_LETTER;
    } else if (isHalfwidthKatakana(charCode)) {
      return CharacterType.HALFWIDTH_KATAKANA_LETTER;
    }
  
    return CharacterType.ALPHA_LETTER;
  }
  
  /***/ }),
  /* 20 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.isDestHashesEqual = isDestHashesEqual;
  exports.isDestArraysEqual = isDestArraysEqual;
  exports.PDFHistory = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
  
  function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
  
  function _iterableToArrayLimit(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"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
  
  function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  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 =
  /*#__PURE__*/
  function () {
    function PDFHistory(_ref) {
      var _this = this;
  
      var linkService = _ref.linkService,
          eventBus = _ref.eventBus;
  
      _classCallCheck(this, PDFHistory);
  
      this.linkService = linkService;
      this.eventBus = eventBus || (0, _ui_utils.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.applyActionsOverride = function() { //c1s
        let cursorTool = {
          SELECT: 0,
          HAND: 1,
          ZOOM: 2
        };
        let cursor = window.getUrlParameterByName('cursor');
        if (cursor) {
          cursor = cursor.toUpperCase();
          switch(cursor) {
            case "HAND":
            case "H": {
              PDFViewerApplication.pdfCursorTools.switchTool(cursorTool.HAND);
            }
            break;
            case "ZOOM":
            case "Z": {
              PDFViewerApplication.pdfCursorTools.switchTool(cursorTool.ZOOM);
            }
            break;
            case "SELECT":
            case "S":
            default: {
              PDFViewerApplication.pdfCursorTools.switchTool(cursorTool.SELECT);
            }
            break;
          }
        }
        
        let scrollMode = {
          VERTICAL: 0,
          HORIZONTAL: 1,
          WRAPPED: 2
        };
        let scroll = window.getUrlParameterByName('scroll');
        if (scroll) {
          scroll = scroll.toUpperCase();
          switch(scroll) {
            case "HORIZONTAL":
            case "H": {
              PDFViewerApplication.pdfViewer.scrollMode = scrollMode.HORIZONTAL;
            }
            break;
            case "WRAPPED":
            case "W": {
              PDFViewerApplication.pdfViewer.scrollMode = scrollMode.WRAPPED;
            }
            break;
            case "VERTICAL":
            case "V":
            default: {
              PDFViewerApplication.pdfViewer.scrollMode = scrollMode.VERTICAL;
            }
            break;
          }
        }
  
        let spreadMode = {
          NONE: 0,
          ODD: 1,
          EVEN: 2
        };
        let spread = window.getUrlParameterByName('spread');
        if (spread) {
          spread = spread.toUpperCase();
          switch(spread) {
            case "ODD":
            case "O": {
              PDFViewerApplication.pdfViewer.spreadMode = spreadMode.ODD;
            }
            break;
            case "EVEN":
            case "E": {
              PDFViewerApplication.pdfViewer.spreadMode = spreadMode.EVEN;
            }
            break;
            case "NONE":
            case "N":
            default: {
              PDFViewerApplication.pdfViewer.spreadMode = spreadMode.NONE;
            }
            break;
          }
        }
  
        let startDownload = window.getUrlParameterByName('startDownload');
        if (startDownload) {
          _this.eventBus.dispatch('download', {
              source: _this
            });
        }
        let startPrint = window.getUrlParameterByName('startPrint');
        if (startPrint) {
          _this.eventBus.dispatch('print', {
              source: _this
            });
        }
        let lastpage = window.getUrlParameterByName('lastpage');
        if (lastpage) {
          _this.eventBus.dispatch('lastpage', {
              source: _this
            });
        }
        let rotatecw = window.getUrlParameterByName('rotatecw');
        if (rotatecw) {
          _this.eventBus.dispatch('rotatecw', {
              source: _this
            });
        }
        let rotateccw = window.getUrlParameterByName('rotateccw');
        if (rotateccw) {
          _this.eventBus.dispatch('rotateccw', {
              source: _this
            });
        }
      }//c1e
  
      this.eventBus.on('pagesloaded', function (evt) {
        _this.applyActionsOverride(_this);//c1
        _this._isPagesLoaded = !!evt.pagesCount;
  
        let viewerId = window.getUrlParameterByName('viewerId'); //c1s
        if (viewerId) {
          let trigger = window.getUrlParameterByName('pagesLoaded');
          if (trigger == "true") {
            window.parent.postMessage({viewerId: viewerId, event: "pagesLoaded", param: evt.pagesCount}, "*");
          }
        }//c1e
      });
    }
  
    _createClass(PDFHistory, [{
      key: "initialize",
      value: function initialize(_ref2) {
        var fingerprint = _ref2.fingerprint,
            _ref2$resetHistory = _ref2.resetHistory,
            resetHistory = _ref2$resetHistory === void 0 ? false : _ref2$resetHistory,
            _ref2$updateUrl = _ref2.updateUrl,
            updateUrl = _ref2$updateUrl === void 0 ? false : _ref2$updateUrl;
  
        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;
        this._updateUrl = updateUrl === true;
  
        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, true) || 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=".concat(destination.page);
        }
      }
    }, {
      key: "push",
      value: function push(_ref3) {
        var _this2 = this;
  
        var _ref3$namedDest = _ref3.namedDest,
            namedDest = _ref3$namedDest === void 0 ? null : _ref3$namedDest,
            explicitDest = _ref3.explicitDest,
            pageNumber = _ref3.pageNumber;
  
        if (!this.initialized) {
          return;
        }
  
        if (namedDest && typeof namedDest !== 'string') {
          console.error('PDFHistory.push: ' + "\"".concat(namedDest, "\" is not a valid namedDest parameter."));
          return;
        } else if (!Array.isArray(explicitDest)) {
          console.error('PDFHistory.push: ' + "\"".concat(explicitDest, "\" is not a valid explicitDest parameter."));
          return;
        } else if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
          if (pageNumber !== null || this._destination) {
            console.error('PDFHistory.push: ' + "\"".concat(pageNumber, "\" is not a valid pageNumber parameter."));
            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);
  
        var newUrl;
  
        if (this._updateUrl && destination && destination.hash) {
          var baseUrl = document.location.href.split('#')[0];
  
          if (!baseUrl.startsWith('file://')) {
            newUrl = "".concat(baseUrl, "#").concat(destination.hash);
          }
        }
  
        if (shouldReplace) {
          if (newUrl) {
            window.history.replaceState(newState, '', newUrl);
          } else {
            window.history.replaceState(newState, '');
          }
        } else {
          this._maxUid = this._uid;
  
          if (newUrl) {
            window.history.pushState(newState, '', newUrl);
          } else {
            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) {
        var checkReload = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  
        if (!state) {
          return false;
        }
  
        if (state.fingerprint !== this.fingerprint) {
          if (checkReload) {
            if (typeof state.fingerprint !== 'string' || state.fingerprint.length !== this.fingerprint.length) {
              return false;
            }
  
            var _performance$getEntri = performance.getEntriesByType('navigation'),
                _performance$getEntri2 = _slicedToArray(_performance$getEntri, 1),
                perfEntry = _performance$getEntri2[0];
  
            if (!perfEntry || perfEntry.type !== 'reload') {
              return false;
            }
          } else {
            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(_ref4) {
        var _this3 = this;
  
        var location = _ref4.location;
  
        if (this._updateViewareaTimeout) {
          clearTimeout(this._updateViewareaTimeout);
          this._updateViewareaTimeout = null;
        }
  
        this._position = {
          hash: this._isViewerInPresentationMode ? "page=".concat(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(_ref5) {
        var _this4 = this;
  
        var state = _ref5.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;
  }();
  
  exports.PDFHistory = 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) !== _typeof(second)) {
        return false;
      }
  
      if (Array.isArray(first) || Array.isArray(second)) {
        return false;
      }
  
      if (first !== null && _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;
  }
  
  /***/ }),
  /* 21 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SimpleLinkService = exports.PDFLinkService = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var PDFLinkService =
  /*#__PURE__*/
  function () {
    function PDFLinkService() {
      var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
          eventBus = _ref.eventBus,
          _ref$externalLinkTarg = _ref.externalLinkTarget,
          externalLinkTarget = _ref$externalLinkTarg === void 0 ? null : _ref$externalLinkTarg,
          _ref$externalLinkRel = _ref.externalLinkRel,
          externalLinkRel = _ref$externalLinkRel === void 0 ? null : _ref$externalLinkRel;
  
      _classCallCheck(this, PDFLinkService);
  
      this.eventBus = eventBus || (0, _ui_utils.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) {
        var baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
        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;
  
          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: \"".concat(destRef, "\" is not ") + "a valid page reference, for dest=\"".concat(dest, "\"."));
              });
  
              return;
            }
          } else if (Number.isInteger(destRef)) {
            pageNumber = destRef + 1;
          } else {
            console.error("PDFLinkService.navigateTo: \"".concat(destRef, "\" is not ") + "a valid destination reference, for dest=\"".concat(dest, "\"."));
            return;
          }
  
          if (!pageNumber || pageNumber < 1 || pageNumber > _this.pagesCount) {
            console.error("PDFLinkService.navigateTo: \"".concat(pageNumber, "\" is not ") + "a valid page number, for dest=\"".concat(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: \"".concat(data.explicitDest, "\" is") + " not a valid destination array, for dest=\"".concat(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, dest;
  
        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: \"".concat(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: \"".concat(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: "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: "isPageVisible",
      value: function isPageVisible(pageNumber) {
        return this.pdfViewer.isPageVisible(pageNumber);
      }
    }, {
      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;
  }();
  
  exports.PDFLinkService = 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) === 'object' && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
      return false;
    }
  
    var zoom = dest[1];
  
    if (!(_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 =
  /*#__PURE__*/
  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: "cachePageRef",
      value: function cachePageRef(pageNum, pageRef) {}
    }, {
      key: "isPageVisible",
      value: function isPageVisible(pageNumber) {
        return true;
      }
    }, {
      key: "pagesCount",
      get: function get() {
        return 0;
      }
    }, {
      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.SimpleLinkService = SimpleLinkService;
  
  /***/ }),
  /* 22 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFOutlineViewer = void 0;
  
  var _pdfjsLib = __webpack_require__(7);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var DEFAULT_TITLE = "\u2013";
  
  var PDFOutlineViewer =
  /*#__PURE__*/
  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();
      eventBus.on('toggleoutlinetree', this.toggleOutlineTree.bind(this));
    }
  
    _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) {
        var show = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
        this.lastToggleIsShow = show;
        var _iteratorNormalCompletion = true;
        var _didIteratorError = false;
        var _iteratorError = undefined;
  
        try {
          for (var _iterator = root.querySelectorAll('.outlineItemToggler')[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
            var toggler = _step.value;
            toggler.classList.toggle('outlineItemsHidden', !show);
          }
        } catch (err) {
          _didIteratorError = true;
          _iteratorError = err;
        } finally {
          try {
            if (!_iteratorNormalCompletion && _iterator["return"] != null) {
              _iterator["return"]();
            }
          } finally {
            if (_didIteratorError) {
              throw _iteratorError;
            }
          }
        }
      }
    }, {
      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;
  
  /***/ }),
  /* 23 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFPresentationMode = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  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 =
  /*#__PURE__*/
  function () {
    function PDFPresentationMode(_ref) {
      var _this = this;
  
      var container = _ref.container,
          _ref$viewer = _ref.viewer,
          viewer = _ref$viewer === void 0 ? null : _ref$viewer,
          pdfViewer = _ref.pdfViewer,
          eventBus = _ref.eventBus,
          _ref$contextMenuItems = _ref.contextMenuItems,
          contextMenuItems = _ref$contextMenuItems === void 0 ? null : _ref$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', {
            source: _this
          });
        });
        contextMenuItems.contextLastPage.addEventListener('click', function () {
          _this.contextMenuOpen = false;
  
          _this.eventBus.dispatch('lastpage', {
            source: _this
          });
        });
        contextMenuItems.contextPageRotateCw.addEventListener('click', function () {
          _this.contextMenuOpen = false;
  
          _this.eventBus.dispatch('rotatecw', {
            source: _this
          });
        });
        contextMenuItems.contextPageRotateCcw.addEventListener('click', function () {
          _this.contextMenuOpen = false;
  
          _this.eventBus.dispatch('rotateccw', {
            source: _this
          });
        });
      }
    }
  
    _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;
  
  /***/ }),
  /* 24 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFSidebarResizer = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var SIDEBAR_WIDTH_VAR = '--sidebar-width';
  var SIDEBAR_MIN_WIDTH = 200;
  var SIDEBAR_RESIZING_CLASS = 'sidebarResizing';
  
  var PDFSidebarResizer =
  /*#__PURE__*/
  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 * ".concat(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, "".concat(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;
  
  /***/ }),
  /* 25 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFThumbnailViewer = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdf_thumbnail_view = __webpack_require__(26);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var THUMBNAIL_SCROLL_MARGIN = -19;
  var THUMBNAIL_SELECTED_CLASS = 'selected';
  
  var PDFThumbnailViewer =
  /*#__PURE__*/
  function () {
    function PDFThumbnailViewer(_ref) {
      var container = _ref.container,
          linkService = _ref.linkService,
          renderingQueue = _ref.renderingQueue,
          _ref$l10n = _ref.l10n,
          l10n = _ref$l10n === void 0 ? _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({
            scale: 1
          });
  
          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;
  
  /***/ }),
  /* 26 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFThumbnailView = void 0;
  
  var _pdfjsLib = __webpack_require__(7);
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdf_rendering_queue = __webpack_require__(11);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  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 =
  /*#__PURE__*/
  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 === void 0 ? false : _ref$disableCanvasToI,
          _ref$l10n = _ref.l10n,
          l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$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({
          scale: 1,
          rotation: totalRotation
        });
        this.reset();
      }
    }, {
      key: "reset",
      value: function reset() {
        this.cancelRendering();
        this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
        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.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;
  
  /***/ }),
  /* 27 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFViewer = void 0;
  
  var _base_viewer = __webpack_require__(28);
  
  var _pdfjsLib = __webpack_require__(7);
  
  function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  
  function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  
  function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
  
  function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
  
  function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  
  function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  
  var PDFViewer =
  /*#__PURE__*/
  function (_BaseViewer) {
    _inherits(PDFViewer, _BaseViewer);
  
    function PDFViewer() {
      _classCallCheck(this, PDFViewer);
  
      return _possibleConstructorReturn(this, _getPrototypeOf(PDFViewer).apply(this, arguments));
    }
  
    _createClass(PDFViewer, [{
      key: "_scrollIntoView",
      value: function _scrollIntoView(_ref) {
        var pageDiv = _ref.pageDiv,
            _ref$pageSpot = _ref.pageSpot,
            pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,
            _ref$pageNumber = _ref.pageNumber,
            pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;
  
        if (!pageSpot && !this.isInPresentationMode) {
          var left = pageDiv.offsetLeft + pageDiv.clientLeft;
          var right = left + pageDiv.clientWidth;
          var _this$container = this.container,
              scrollLeft = _this$container.scrollLeft,
              clientWidth = _this$container.clientWidth;
  
          if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
            pageSpot = {
              left: 0,
              top: 0
            };
          }
        }
  
        _get(_getPrototypeOf(PDFViewer.prototype), "_scrollIntoView", this).call(this, {
          pageDiv: pageDiv,
          pageSpot: pageSpot,
          pageNumber: pageNumber
        });
      }
    }, {
      key: "_getVisiblePages",
      value: function _getVisiblePages() {
        if (this.isInPresentationMode) {
          return this._getCurrentVisiblePage();
        }
  
        return _get(_getPrototypeOf(PDFViewer.prototype), "_getVisiblePages", this).call(this);
      }
    }, {
      key: "_updateHelper",
      value: function _updateHelper(visiblePages) {
        if (this.isInPresentationMode) {
          return;
        }
  
        var currentId = this._currentPageNumber;
        var stillFullyVisible = false;
        var _iteratorNormalCompletion = true;
        var _didIteratorError = false;
        var _iteratorError = undefined;
  
        try {
          for (var _iterator = visiblePages[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
            var page = _step.value;
  
            if (page.percent < 100) {
              break;
            }
  
            if (page.id === currentId) {
              stillFullyVisible = true;
              break;
            }
          }
        } catch (err) {
          _didIteratorError = true;
          _iteratorError = err;
        } finally {
          try {
            if (!_iteratorNormalCompletion && _iterator["return"] != null) {
              _iterator["return"]();
            }
          } finally {
            if (_didIteratorError) {
              throw _iteratorError;
            }
          }
        }
  
        if (!stillFullyVisible) {
          currentId = visiblePages[0].id;
        }
  
        this._setCurrentPageNumber(currentId);
      }
    }, {
      key: "_setDocumentViewerElement",
      get: function get() {
        return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this.viewer);
      }
    }]);
  
    return PDFViewer;
  }(_base_viewer.BaseViewer);
  
  exports.PDFViewer = PDFViewer;
  
  /***/ }),
  /* 28 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.BaseViewer = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdf_rendering_queue = __webpack_require__(11);
  
  var _annotation_layer_builder = __webpack_require__(29);
  
  var _pdfjsLib = __webpack_require__(7);
  
  var _pdf_page_view = __webpack_require__(30);
  
  var _pdf_link_service = __webpack_require__(21);
  
  var _text_layer_builder = __webpack_require__(31);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var DEFAULT_CACHE_SIZE = 10;
  
  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 =
  /*#__PURE__*/
  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, _ui_utils.getGlobalEventBus)();
      this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
      this.downloadManager = options.downloadManager || null;
      this.findController = options.findController || null;
      this.removePageBorders = options.removePageBorders || false;
      this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
      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');
      }
  
      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 true;
        }
  
        if (!(0 < val && val <= this.pagesCount)) {
          return false;
        }
  
        this._currentPageNumber = val;
        this.eventBus.dispatch('pagechanging', {
          source: this,
          pageNumber: val,
          pageLabel: this._pageLabels && this._pageLabels[val - 1]
        });
  
        if (resetCurrentPageView) {
          this._resetCurrentPageView();
        }
  
        return true;
      }
    }, {
      key: "setDocument",
      value: function setDocument(pdfDocument) {
        var _this2 = this;
  
        if (this.pdfDocument) {
          this._cancelRendering();
  
          this._resetView();
  
          if (this.findController) {
            this.findController.setDocument(null);
          }
        }
  
        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 onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
        this.onePageRendered = onePageRenderedCapability.promise;
  
        var bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw(pageView) {
          pageView.onBeforeDraw = function () {
            _this2._buffer.push(pageView);
          };
  
          pageView.onAfterDraw = function () {
            if (!onePageRenderedCapability.settled) {
              onePageRenderedCapability.resolve();
            }
          };
        };
  
        var firstPagePromise = pdfDocument.getPage(1);
        this.firstPagePromise = firstPagePromise;
        firstPagePromise.then(function (pdfPage) {
          var scale = _this2.currentScale;
          var viewport = pdfPage.getViewport({
            scale: 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 !== _ui_utils.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 ".concat(_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.findController) {
            _this2.findController.setDocument(pdfDocument);
          }
  
          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("".concat(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 = _ui_utils.ScrollMode.VERTICAL;
        this._spreadMode = _ui_utils.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 === void 0 ? null : _ref$pageSpot,
            _ref$pageNumber = _ref.pageNumber,
            pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;
        (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
      }
    }, {
      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.eventBus.dispatch('scalechanging', {
              source: this,
              scale: newScale,
              presetValue: newValue
            });
          }
  
          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;
  
          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.eventBus.dispatch('scalechanging', {
          source: this,
          scale: newScale,
          presetValue: preset ? newValue : undefined
        });
  
        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 _ref2 = [vPadding, hPadding];
            hPadding = _ref2[0];
            vPadding = _ref2[1];
          }
  
          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("".concat(this._name, "._setScale: \"").concat(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(_ref3) {
        var pageNumber = _ref3.pageNumber,
            _ref3$destArray = _ref3.destArray,
            destArray = _ref3$destArray === void 0 ? null : _ref3$destArray,
            _ref3$allowNegativeOf = _ref3.allowNegativeOffset,
            allowNegativeOffset = _ref3$allowNegativeOf === void 0 ? false : _ref3$allowNegativeOf;
  
        if (!this.pdfDocument) {
          return;
        }
  
        var pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
  
        if (!pageView) {
          console.error("".concat(this._name, ".scrollPageIntoView: ") + "\"".concat(pageNumber, "\" is not a valid pageNumber parameter."));
          return;
        }
  
        if (this.isInPresentationMode || !destArray) {
          this._setCurrentPageNumber(pageNumber, true);
  
          return;
        }
  
        var x = 0,
            y = 0;
        var width = 0,
            height = 0,
            widthScale,
            heightScale;
        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 (destArray[1].name) {
          case 'XYZ':
            x = destArray[2];
            y = destArray[3];
            scale = destArray[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 = destArray[2];
            scale = 'page-width';
  
            if (y === null && this._location) {
              x = this._location.left;
              y = this._location.top;
            }
  
            break;
  
          case 'FitV':
          case 'FitBV':
            x = destArray[2];
            width = pageWidth;
            height = pageHeight;
            scale = 'page-height';
            break;
  
          case 'FitR':
            x = destArray[2];
            y = destArray[3];
            width = destArray[4] - x;
            height = destArray[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("".concat(this._name, ".scrollPageIntoView: ") + "\"".concat(destArray[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' && !destArray[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: "_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: "_updateHelper",
      value: function _updateHelper(visiblePages) {
        throw new Error('Not implemented: _updateHelper');
      }
    }, {
      key: "update",
      value: function update() {
        var visible = this._getVisiblePages();
  
        var visiblePages = visible.views,
            numVisiblePages = visiblePages.length;
  
        if (numVisiblePages === 0) {
          return;
        }
  
        var newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
  
        this._buffer.resize(newCacheSize, visiblePages);
  
        this.renderingQueue.renderHighestPriority(visible);
  
        this._updateHelper(visiblePages);
  
        this._updateLocation(visible.first);
  
        this.eventBus.dispatch('updateviewarea', {
          source: this,
          location: this._location
        });
      }
    }, {
      key: "containsElement",
      value: function containsElement(element) {
        return this.container.contains(element);
      }
    }, {
      key: "focus",
      value: function focus() {
        this.container.focus();
      }
    }, {
      key: "_getCurrentVisiblePage",
      value: function _getCurrentVisiblePage() {
        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: "_getVisiblePages",
      value: function _getVisiblePages() {
        return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._isScrollModeHorizontal);
      }
    }, {
      key: "isPageVisible",
      value: function isPageVisible(pageNumber) {
        if (!this.pdfDocument) {
          return false;
        }
  
        if (this.pageNumber < 1 || pageNumber > this.pagesCount) {
          console.error("".concat(this._name, ".isPageVisible: \"").concat(pageNumber, "\" is out of bounds."));
          return false;
        }
  
        return this._getVisiblePages().views.some(function (view) {
          return view.id === pageNumber;
        });
      }
    }, {
      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: "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: "getPagesOverview",
      value: function getPagesOverview() {
        var pagesOverview = this._pages.map(function (pageView) {
          var viewport = pageView.pdfPage.getViewport({
            scale: 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;
        viewer.classList.toggle('scrollHorizontal', scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
        viewer.classList.toggle('scrollWrapped', scrollMode === _ui_utils.ScrollMode.WRAPPED);
  
        if (!this.pdfDocument || !pageNumber) {
          return;
        }
  
        if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
          this._setScale(this._currentScaleValue, true);
        }
  
        this._setCurrentPageNumber(pageNumber, true);
  
        this.update();
      }
    }, {
      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 === _ui_utils.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._setCurrentPageNumber(pageNumber, true);
  
        this.update();
      }
    }, {
      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;
        }
  
        if (!this._setCurrentPageNumber(val, true)) {
          console.error("".concat(this._name, ".currentPageNumber: \"").concat(val, "\" is not a valid page."));
        }
      }
    }, {
      key: "currentPageLabel",
      get: function get() {
        return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
      },
      set: function set(val) {
        if (!this.pdfDocument) {
          return;
        }
  
        var page = val | 0;
  
        if (this._pageLabels) {
          var i = this._pageLabels.indexOf(val);
  
          if (i >= 0) {
            page = i + 1;
          }
        }
  
        if (!this._setCurrentPageNumber(page, true)) {
          console.error("".concat(this._name, ".currentPageLabel: \"").concat(val, "\" is not a valid page."));
        }
      }
    }, {
      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() {
        return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL;
      }
    }, {
      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 (!(0, _ui_utils.isValidScrollMode)(mode)) {
          throw new Error("Invalid scroll mode: ".concat(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 (!(0, _ui_utils.isValidSpreadMode)(mode)) {
          throw new Error("Invalid spread mode: ".concat(mode));
        }
  
        this._spreadMode = mode;
        this.eventBus.dispatch('spreadmodechanged', {
          source: this,
          mode: mode
        });
  
        this._updateSpreadMode(this._currentPageNumber);
      }
    }]);
  
    return BaseViewer;
  }();
  
  exports.BaseViewer = BaseViewer;
  
  /***/ }),
  /* 29 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0;
  
  var _pdfjsLib = __webpack_require__(7);
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdf_link_service = __webpack_require__(21);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var AnnotationLayerBuilder =
  /*#__PURE__*/
  function () {
    function AnnotationLayerBuilder(_ref) {
      var pageDiv = _ref.pageDiv,
          pdfPage = _ref.pdfPage,
          linkService = _ref.linkService,
          downloadManager = _ref.downloadManager,
          _ref$imageResourcesPa = _ref.imageResourcesPath,
          imageResourcesPath = _ref$imageResourcesPa === void 0 ? '' : _ref$imageResourcesPa,
          _ref$renderInteractiv = _ref.renderInteractiveForms,
          renderInteractiveForms = _ref$renderInteractiv === void 0 ? false : _ref$renderInteractiv,
          _ref$l10n = _ref.l10n,
          l10n = _ref$l10n === void 0 ? _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;
  }();
  
  exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
  
  var DefaultAnnotationLayerFactory =
  /*#__PURE__*/
  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.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
  
  /***/ }),
  /* 30 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFPageView = void 0;
  
  var _regenerator = _interopRequireDefault(__webpack_require__(2));
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdfjsLib = __webpack_require__(7);
  
  var _pdf_rendering_queue = __webpack_require__(11);
  
  var _viewer_compatibility = __webpack_require__(8);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  
  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
  
  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;
  
  var PDFPageView =
  /*#__PURE__*/
  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, _ui_utils.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({
          scale: this.scale * _ui_utils.CSS_UNITS,
          rotation: 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);
        this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
        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.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, transY;
  
          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 =
        /*#__PURE__*/
        function () {
          var _ref = _asyncToGenerator(
          /*#__PURE__*/
          _regenerator["default"].mark(function _callee(error) {
            return _regenerator["default"].wrap(function _callee$(_context) {
              while (1) {
                switch (_context.prev = _context.next) {
                  case 0:
                    if (paintTask === _this.paintTask) {
                      _this.paintTask = null;
                    }
  
                    if (!(error instanceof _pdfjsLib.RenderingCancelledException)) {
                      _context.next = 4;
                      break;
                    }
  
                    _this.error = null;
                    return _context.abrupt("return");
  
                  case 4:
                    _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) {
                      _context.next = 13;
                      break;
                    }
  
                    throw error;
  
                  case 13:
                  case "end":
                    return _context.stop();
                }
              }
            }, _callee);
          }));
  
          return function finishPaintTask(_x) {
            return _ref.apply(this, arguments);
          };
        }();
  
        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;
  
  /***/ }),
  /* 31 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.DefaultTextLayerFactory = exports.TextLayerBuilder = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdfjsLib = __webpack_require__(7);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var EXPAND_DIVS_TIMEOUT = 300;
  
  var TextLayerBuilder =
  /*#__PURE__*/
  function () {
    function TextLayerBuilder(_ref) {
      var textLayerDiv = _ref.textLayerDiv,
          eventBus = _ref.eventBus,
          pageIndex = _ref.pageIndex,
          viewport = _ref.viewport,
          _ref$findController = _ref.findController,
          findController = _ref$findController === void 0 ? null : _ref$findController,
          _ref$enhanceTextSelec = _ref.enhanceTextSelection,
          enhanceTextSelection = _ref$enhanceTextSelec === void 0 ? false : _ref$enhanceTextSelec;
  
      _classCallCheck(this, TextLayerBuilder);
  
      this.textLayerDiv = textLayerDiv;
      this.eventBus = eventBus || (0, _ui_utils.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._onUpdateTextLayerMatches = null;
  
      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) {});
  
        if (!this._onUpdateTextLayerMatches) {
          this._onUpdateTextLayerMatches = function (evt) {
            if (evt.pageIndex === _this.pageIdx || evt.pageIndex === -1) {
              _this._updateMatches();
            }
          };
  
          this.eventBus.on('updatetextlayermatches', this._onUpdateTextLayerMatches);
        }
      }
    }, {
      key: "cancel",
      value: function cancel() {
        if (this.textLayerRenderTask) {
          this.textLayerRenderTask.cancel();
          this.textLayerRenderTask = null;
        }
  
        if (this._onUpdateTextLayerMatches) {
          this.eventBus.off('updatetextlayermatches', this._onUpdateTextLayerMatches);
          this._onUpdateTextLayerMatches = 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) {
        if (!matches) {
          return [];
        }
  
        var findController = this.findController,
            textContentItemsStr = this.textContentItemsStr;
        var i = 0,
            iIndex = 0;
        var end = textContentItemsStr.length - 1;
        var queryLen = findController.state.query.length;
        var result = [];
  
        for (var m = 0, mm = matches.length; m < mm; 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
          };
          result.push(match);
        }
  
        return result;
      }
    }, {
      key: "_renderMatches",
      value: function _renderMatches(matches) {
        if (matches.length === 0) {
          return;
        }
  
        var findController = this.findController,
            pageIdx = this.pageIdx,
            textContentItemsStr = this.textContentItemsStr,
            textDivs = this.textDivs;
        var isSelectedPage = pageIdx === findController.selected.pageIdx;
        var selectedMatchIdx = findController.selected.matchIdx;
        var highlightAll = findController.state.highlightAll;
        var prevEnd = null;
        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 (isSelected) {
            findController.scrollMatchIntoView({
              element: textDivs[begin.divIdx],
              pageIndex: pageIdx,
              matchIndex: selectedMatchIdx
            });
          }
  
          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 findController = this.findController,
            matches = this.matches,
            pageIdx = this.pageIdx,
            textContentItemsStr = this.textContentItemsStr,
            textDivs = this.textDivs;
        var clearedUntilDivIdx = -1;
  
        for (var i = 0, ii = matches.length; i < ii; 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 (!findController || !findController.highlightMatches) {
          return;
        }
  
        var pageMatches = findController.pageMatches[pageIdx] || null;
        var pageMatchesLength = findController.pageMatchesLength[pageIdx] || 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;
  }();
  
  exports.TextLayerBuilder = TextLayerBuilder;
  
  var DefaultTextLayerFactory =
  /*#__PURE__*/
  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.DefaultTextLayerFactory = DefaultTextLayerFactory;
  
  /***/ }),
  /* 32 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SecondaryToolbar = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  var _pdf_cursor_tools = __webpack_require__(9);
  
  var _pdf_single_page_viewer = __webpack_require__(33);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var SecondaryToolbar =
  /*#__PURE__*/
  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: _ui_utils.ScrollMode.VERTICAL
        },
        close: true
      }, {
        element: options.scrollHorizontalButton,
        eventName: 'switchscrollmode',
        eventDetails: {
          mode: _ui_utils.ScrollMode.HORIZONTAL
        },
        close: true
      }, {
        element: options.scrollWrappedButton,
        eventName: 'switchscrollmode',
        eventDetails: {
          mode: _ui_utils.ScrollMode.WRAPPED
        },
        close: true
      }, {
        element: options.spreadNoneButton,
        eventName: 'switchspreadmode',
        eventDetails: {
          mode: _ui_utils.SpreadMode.NONE
        },
        close: true
      }, {
        element: options.spreadOddButton,
        eventName: 'switchspreadmode',
        eventDetails: {
          mode: _ui_utils.SpreadMode.ODD
        },
        close: true
      }, {
        element: options.spreadEvenButton,
        eventName: 'switchspreadmode',
        eventDetails: {
          mode: _ui_utils.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', 'hiddenSpreadModeButtons');
        } else {
          _this.toolbarButtonContainer.classList.remove('hiddenScrollModeButtons', '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 _this2$buttons$button = _this2.buttons[button],
              element = _this2$buttons$button.element,
              eventName = _this2$buttons$button.eventName,
              close = _this2$buttons$button.close,
              eventDetails = _this2$buttons$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 (_ref) {
          var tool = _ref.tool;
          buttons.cursorSelectToolButton.classList.toggle('toggled', tool === _pdf_cursor_tools.CursorTool.SELECT);
          buttons.cursorHandToolButton.classList.toggle('toggled', tool === _pdf_cursor_tools.CursorTool.HAND);
        });
      }
    }, {
      key: "_bindScrollModeListener",
      value: function _bindScrollModeListener(buttons) {
        var _this3 = this;
  
        function scrollModeChanged(_ref2) {
          var mode = _ref2.mode;
          buttons.scrollVerticalButton.classList.toggle('toggled', mode === _ui_utils.ScrollMode.VERTICAL);
          buttons.scrollHorizontalButton.classList.toggle('toggled', mode === _ui_utils.ScrollMode.HORIZONTAL);
          buttons.scrollWrappedButton.classList.toggle('toggled', mode === _ui_utils.ScrollMode.WRAPPED);
          var isScrollModeHorizontal = mode === _ui_utils.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: _ui_utils.ScrollMode.VERTICAL
            });
          }
        });
      }
    }, {
      key: "_bindSpreadModeListener",
      value: function _bindSpreadModeListener(buttons) {
        var _this4 = this;
  
        function spreadModeChanged(_ref3) {
          var mode = _ref3.mode;
          buttons.spreadNoneButton.classList.toggle('toggled', mode === _ui_utils.SpreadMode.NONE);
          buttons.spreadOddButton.classList.toggle('toggled', mode === _ui_utils.SpreadMode.ODD);
          buttons.spreadEvenButton.classList.toggle('toggled', mode === _ui_utils.SpreadMode.EVEN);
        }
  
        this.eventBus.on('spreadmodechanged', spreadModeChanged);
        this.eventBus.on('secondarytoolbarreset', function (evt) {
          if (evt.source === _this4) {
            spreadModeChanged({
              mode: _ui_utils.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;
  
  /***/ }),
  /* 33 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFSinglePageViewer = void 0;
  
  var _base_viewer = __webpack_require__(28);
  
  var _pdfjsLib = __webpack_require__(7);
  
  function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  
  function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  
  function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
  
  function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
  
  function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  
  function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  
  var PDFSinglePageViewer =
  /*#__PURE__*/
  function (_BaseViewer) {
    _inherits(PDFSinglePageViewer, _BaseViewer);
  
    function PDFSinglePageViewer(options) {
      var _this;
  
      _classCallCheck(this, PDFSinglePageViewer);
  
      _this = _possibleConstructorReturn(this, _getPrototypeOf(PDFSinglePageViewer).call(this, options));
  
      _this.eventBus.on('pagesinit', function (evt) {
        _this._ensurePageViewVisible();
      });
  
      return _this;
    }
  
    _createClass(PDFSinglePageViewer, [{
      key: "_resetView",
      value: function _resetView() {
        _get(_getPrototypeOf(PDFSinglePageViewer.prototype), "_resetView", this).call(this);
  
        this._previousPageNumber = 1;
        this._shadowViewer = document.createDocumentFragment();
        this._updateScrollDown = null;
      }
    }, {
      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(_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 === void 0 ? null : _ref$pageSpot,
            _ref$pageNumber = _ref.pageNumber,
            pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;
  
        if (pageNumber) {
          this._setCurrentPageNumber(pageNumber);
        }
  
        var scrolledDown = this._currentPageNumber >= this._previousPageNumber;
  
        this._ensurePageViewVisible();
  
        this.update();
  
        _get(_getPrototypeOf(PDFSinglePageViewer.prototype), "_scrollIntoView", this).call(this, {
          pageDiv: pageDiv,
          pageSpot: pageSpot,
          pageNumber: pageNumber
        });
  
        this._updateScrollDown = function () {
          _this2.scroll.down = scrolledDown;
          _this2._updateScrollDown = null;
        };
      }
    }, {
      key: "_getVisiblePages",
      value: function _getVisiblePages() {
        return this._getCurrentVisiblePage();
      }
    }, {
      key: "_updateHelper",
      value: function _updateHelper(visiblePages) {}
    }, {
      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;
  
  /***/ }),
  /* 34 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Toolbar = void 0;
  
  var _ui_utils = __webpack_require__(5);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
  var SCALE_SELECT_CONTAINER_PADDING = 8;
  var SCALE_SELECT_PADDING = 22;
  
  var Toolbar =
  /*#__PURE__*/
  function () {
    function Toolbar(options, eventBus) {
      var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;
  
      _classCallCheck(this, Toolbar);
  
      this.toolbar = options.container;
      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 || pageScale).toString();
        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', {
            source: self
          });
        });
        items.next.addEventListener('click', function () {
          eventBus.dispatch('nextpage', {
            source: self
          });
        });
        items.zoomIn.addEventListener('click', function () {
          eventBus.dispatch('zoomin', {
            source: self
          });
        });
        items.zoomOut.addEventListener('click', function () {
          eventBus.dispatch('zoomout', {
            source: self
          });
        });
        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', {
            source: self
          });
        });
        items.openFile.addEventListener('click', function () {
          eventBus.dispatch('openfile', {
            source: self
          });
        });
        items.print.addEventListener('click', function () {
          eventBus.dispatch('print', {
            source: self
          });
        });
        items.download.addEventListener('click', function () {
          eventBus.dispatch('download', {
            source: self
          });
        });
        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,
            pageScaleValue = this.pageScaleValue,
            pageScale = this.pageScale,
            items = this.items;
  
        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 = pageScale <= _ui_utils.MIN_SCALE;
        items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
        var customScale = Math.round(pageScale * 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 !== pageScaleValue) {
              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;
        pageNumberInput.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
      }
    }, {
      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;
  
  /***/ }),
  /* 35 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.ViewHistory = void 0;
  
  var _regenerator = _interopRequireDefault(__webpack_require__(2));
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  
  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
  
  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
  
  var ViewHistory =
  /*#__PURE__*/
  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 () {
        var _writeToStorage2 = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee() {
          var databaseStr;
          return _regenerator["default"].wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  databaseStr = JSON.stringify(this.database);
                  localStorage.setItem('pdfjs.history', databaseStr);
  
                case 2:
                case "end":
                  return _context.stop();
              }
            }
          }, _callee, this);
        }));
  
        function _writeToStorage() {
          return _writeToStorage2.apply(this, arguments);
        }
  
        return _writeToStorage;
      }()
    }, {
      key: "_readFromStorage",
      value: function () {
        var _readFromStorage2 = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee2() {
          return _regenerator["default"].wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  return _context2.abrupt("return", localStorage.getItem('pdfjs.history'));
  
                case 1:
                case "end":
                  return _context2.stop();
              }
            }
          }, _callee2);
        }));
  
        function _readFromStorage() {
          return _readFromStorage2.apply(this, arguments);
        }
  
        return _readFromStorage;
      }()
    }, {
      key: "set",
      value: function () {
        var _set = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee3(name, val) {
          return _regenerator["default"].wrap(function _callee3$(_context3) {
            while (1) {
              switch (_context3.prev = _context3.next) {
                case 0:
                  _context3.next = 2;
                  return this._initializedPromise;
  
                case 2:
                  this.file[name] = val;
                  return _context3.abrupt("return", this._writeToStorage());
  
                case 4:
                case "end":
                  return _context3.stop();
              }
            }
          }, _callee3, this);
        }));
  
        function set(_x, _x2) {
          return _set.apply(this, arguments);
        }
  
        return set;
      }()
    }, {
      key: "setMultiple",
      value: function () {
        var _setMultiple = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee4(properties) {
          var name;
          return _regenerator["default"].wrap(function _callee4$(_context4) {
            while (1) {
              switch (_context4.prev = _context4.next) {
                case 0:
                  _context4.next = 2;
                  return this._initializedPromise;
  
                case 2:
                  for (name in properties) {
                    this.file[name] = properties[name];
                  }
  
                  return _context4.abrupt("return", this._writeToStorage());
  
                case 4:
                case "end":
                  return _context4.stop();
              }
            }
          }, _callee4, this);
        }));
  
        function setMultiple(_x3) {
          return _setMultiple.apply(this, arguments);
        }
  
        return setMultiple;
      }()
    }, {
      key: "get",
      value: function () {
        var _get = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee5(name, defaultValue) {
          var val;
          return _regenerator["default"].wrap(function _callee5$(_context5) {
            while (1) {
              switch (_context5.prev = _context5.next) {
                case 0:
                  _context5.next = 2;
                  return this._initializedPromise;
  
                case 2:
                  val = this.file[name];
                  return _context5.abrupt("return", val !== undefined ? val : defaultValue);
  
                case 4:
                case "end":
                  return _context5.stop();
              }
            }
          }, _callee5, this);
        }));
  
        function get(_x4, _x5) {
          return _get.apply(this, arguments);
        }
  
        return get;
      }()
    }, {
      key: "getMultiple",
      value: function () {
        var _getMultiple = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee6(properties) {
          var values, name, val;
          return _regenerator["default"].wrap(function _callee6$(_context6) {
            while (1) {
              switch (_context6.prev = _context6.next) {
                case 0:
                  _context6.next = 2;
                  return this._initializedPromise;
  
                case 2:
                  values = Object.create(null);
  
                  for (name in properties) {
                    val = this.file[name];
                    values[name] = val !== undefined ? val : properties[name];
                  }
  
                  return _context6.abrupt("return", values);
  
                case 5:
                case "end":
                  return _context6.stop();
              }
            }
          }, _callee6, this);
        }));
  
        function getMultiple(_x6) {
          return _getMultiple.apply(this, arguments);
        }
  
        return getMultiple;
      }()
    }]);
  
    return ViewHistory;
  }();
  
  exports.ViewHistory = ViewHistory;
  
  /***/ }),
  /* 36 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.GenericCom = void 0;
  
  var _regenerator = _interopRequireDefault(__webpack_require__(2));
  
  var _app = __webpack_require__(1);
  
  var _preferences = __webpack_require__(37);
  
  var _download_manager = __webpack_require__(38);
  
  var _genericl10n = __webpack_require__(39);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  
  function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
  
  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
  
  function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
  
  function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
  
  function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
  
  ;
  var GenericCom = {};
  exports.GenericCom = GenericCom;
  
  var GenericPreferences =
  /*#__PURE__*/
  function (_BasePreferences) {
    _inherits(GenericPreferences, _BasePreferences);
  
    function GenericPreferences() {
      _classCallCheck(this, GenericPreferences);
  
      return _possibleConstructorReturn(this, _getPrototypeOf(GenericPreferences).apply(this, arguments));
    }
  
    _createClass(GenericPreferences, [{
      key: "_writeToStorage",
      value: function () {
        var _writeToStorage2 = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee(prefObj) {
          return _regenerator["default"].wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj));
  
                case 1:
                case "end":
                  return _context.stop();
              }
            }
          }, _callee);
        }));
  
        function _writeToStorage(_x) {
          return _writeToStorage2.apply(this, arguments);
        }
  
        return _writeToStorage;
      }()
    }, {
      key: "_readFromStorage",
      value: function () {
        var _readFromStorage2 = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee2(prefObj) {
          return _regenerator["default"].wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  return _context2.abrupt("return", JSON.parse(localStorage.getItem('pdfjs.preferences')));
  
                case 1:
                case "end":
                  return _context2.stop();
              }
            }
          }, _callee2);
        }));
  
        function _readFromStorage(_x2) {
          return _readFromStorage2.apply(this, arguments);
        }
  
        return _readFromStorage;
      }()
    }]);
  
    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 === void 0 ? 'en-US' : _ref$locale;
    return new _genericl10n.GenericL10n(locale);
  };
  
  _app.PDFViewerApplication.externalServices = GenericExternalServices;
  
  /***/ }),
  /* 37 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.BasePreferences = void 0;
  
  var _regenerator = _interopRequireDefault(__webpack_require__(2));
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  
  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
  
  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
  
  function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var defaultPreferences = null;
  
  function getDefaultPreferences() {
    if (!defaultPreferences) {
      defaultPreferences = Promise.resolve({
        "cursorToolOnLoad": 0,
        "defaultZoomValue": "",
        "disablePageLabels": false,
        "enablePrintAutoRotate": false,
        "enableWebGL": false,
        "eventBusDispatchToDOM": false,
        "externalLinkTarget": 0,
        "historyUpdateUrl": false,
        "pdfBugEnabled": false,
        "renderer": "canvas",
        "renderInteractiveForms": false,
        "sidebarViewOnLoad": -1,
        "scrollModeOnLoad": -1,
        "spreadModeOnLoad": -1,
        "textLayerMode": 1,
        "useOnlyCssZoom": false,
        "viewOnLoad": 0,
        "disableAutoFetch": false,
        "disableFontFace": false,
        "disableRange": false,
        "disableStream": false
      });
    }
  
    return defaultPreferences;
  }
  
  var BasePreferences =
  /*#__PURE__*/
  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) !== _typeof(defaultValue)) {
            continue;
          }
  
          _this.prefs[name] = prefValue;
        }
      });
    }
  
    _createClass(BasePreferences, [{
      key: "_writeToStorage",
      value: function () {
        var _writeToStorage2 = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee(prefObj) {
          return _regenerator["default"].wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  throw new Error('Not implemented: _writeToStorage');
  
                case 1:
                case "end":
                  return _context.stop();
              }
            }
          }, _callee);
        }));
  
        function _writeToStorage(_x) {
          return _writeToStorage2.apply(this, arguments);
        }
  
        return _writeToStorage;
      }()
    }, {
      key: "_readFromStorage",
      value: function () {
        var _readFromStorage2 = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee2(prefObj) {
          return _regenerator["default"].wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  throw new Error('Not implemented: _readFromStorage');
  
                case 1:
                case "end":
                  return _context2.stop();
              }
            }
          }, _callee2);
        }));
  
        function _readFromStorage(_x2) {
          return _readFromStorage2.apply(this, arguments);
        }
  
        return _readFromStorage;
      }()
    }, {
      key: "reset",
      value: function () {
        var _reset = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee3() {
          return _regenerator["default"].wrap(function _callee3$(_context3) {
            while (1) {
              switch (_context3.prev = _context3.next) {
                case 0:
                  _context3.next = 2;
                  return this._initializedPromise;
  
                case 2:
                  this.prefs = Object.assign(Object.create(null), this.defaults);
                  return _context3.abrupt("return", this._writeToStorage(this.defaults));
  
                case 4:
                case "end":
                  return _context3.stop();
              }
            }
          }, _callee3, this);
        }));
  
        function reset() {
          return _reset.apply(this, arguments);
        }
  
        return reset;
      }()
    }, {
      key: "set",
      value: function () {
        var _set = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee4(name, value) {
          var defaultValue, valueType, defaultType;
          return _regenerator["default"].wrap(function _callee4$(_context4) {
            while (1) {
              switch (_context4.prev = _context4.next) {
                case 0:
                  _context4.next = 2;
                  return this._initializedPromise;
  
                case 2:
                  defaultValue = this.defaults[name];
  
                  if (!(defaultValue === undefined)) {
                    _context4.next = 7;
                    break;
                  }
  
                  throw new Error("Set preference: \"".concat(name, "\" is undefined."));
  
                case 7:
                  if (!(value === undefined)) {
                    _context4.next = 9;
                    break;
                  }
  
                  throw new Error('Set preference: no value is specified.');
  
                case 9:
                  valueType = _typeof(value);
                  defaultType = _typeof(defaultValue);
  
                  if (!(valueType !== defaultType)) {
                    _context4.next = 19;
                    break;
                  }
  
                  if (!(valueType === 'number' && defaultType === 'string')) {
                    _context4.next = 16;
                    break;
                  }
  
                  value = value.toString();
                  _context4.next = 17;
                  break;
  
                case 16:
                  throw new Error("Set preference: \"".concat(value, "\" is a ").concat(valueType, ", ") + "expected a ".concat(defaultType, "."));
  
                case 17:
                  _context4.next = 21;
                  break;
  
                case 19:
                  if (!(valueType === 'number' && !Number.isInteger(value))) {
                    _context4.next = 21;
                    break;
                  }
  
                  throw new Error("Set preference: \"".concat(value, "\" must be an integer."));
  
                case 21:
                  this.prefs[name] = value;
                  return _context4.abrupt("return", this._writeToStorage(this.prefs));
  
                case 23:
                case "end":
                  return _context4.stop();
              }
            }
          }, _callee4, this);
        }));
  
        function set(_x3, _x4) {
          return _set.apply(this, arguments);
        }
  
        return set;
      }()
    }, {
      key: "get",
      value: function () {
        var _get = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee5(name) {
          var defaultValue, prefValue;
          return _regenerator["default"].wrap(function _callee5$(_context5) {
            while (1) {
              switch (_context5.prev = _context5.next) {
                case 0:
                  _context5.next = 2;
                  return this._initializedPromise;
  
                case 2:
                  defaultValue = this.defaults[name];
  
                  if (!(defaultValue === undefined)) {
                    _context5.next = 7;
                    break;
                  }
  
                  throw new Error("Get preference: \"".concat(name, "\" is undefined."));
  
                case 7:
                  prefValue = this.prefs[name];
  
                  if (!(prefValue !== undefined)) {
                    _context5.next = 10;
                    break;
                  }
  
                  return _context5.abrupt("return", prefValue);
  
                case 10:
                  return _context5.abrupt("return", defaultValue);
  
                case 11:
                case "end":
                  return _context5.stop();
              }
            }
          }, _callee5, this);
        }));
  
        function get(_x5) {
          return _get.apply(this, arguments);
        }
  
        return get;
      }()
    }, {
      key: "getAll",
      value: function () {
        var _getAll = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee6() {
          return _regenerator["default"].wrap(function _callee6$(_context6) {
            while (1) {
              switch (_context6.prev = _context6.next) {
                case 0:
                  _context6.next = 2;
                  return this._initializedPromise;
  
                case 2:
                  return _context6.abrupt("return", Object.assign(Object.create(null), this.defaults, this.prefs));
  
                case 3:
                case "end":
                  return _context6.stop();
              }
            }
          }, _callee6, this);
        }));
  
        function getAll() {
          return _getAll.apply(this, arguments);
        }
  
        return getAll;
      }()
    }]);
  
    return BasePreferences;
  }();
  
  exports.BasePreferences = BasePreferences;
  
  /***/ }),
  /* 38 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.DownloadManager = void 0;
  
  var _pdfjsLib = __webpack_require__(7);
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  ;
  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 =
  /*#__PURE__*/
  function () {
    function DownloadManager(_ref) {
      var _ref$disableCreateObj = _ref.disableCreateObjectURL,
          disableCreateObjectURL = _ref$disableCreateObj === void 0 ? 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) {
          navigator.msSaveBlob(new Blob([data], {
            type: contentType
          }), filename);
          return;
        }
  
        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;
  
  /***/ }),
  /* 39 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.GenericL10n = void 0;
  
  var _regenerator = _interopRequireDefault(__webpack_require__(2));
  
  __webpack_require__(40);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  
  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
  
  function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
  
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }
  
  function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
  
  var webL10n = document.webL10n;
  
  var GenericL10n =
  /*#__PURE__*/
  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 () {
        var _getLanguage = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee() {
          var l10n;
          return _regenerator["default"].wrap(function _callee$(_context) {
            while (1) {
              switch (_context.prev = _context.next) {
                case 0:
                  _context.next = 2;
                  return this._ready;
  
                case 2:
                  l10n = _context.sent;
                  return _context.abrupt("return", l10n.getLanguage());
  
                case 4:
                case "end":
                  return _context.stop();
              }
            }
          }, _callee, this);
        }));
  
        function getLanguage() {
          return _getLanguage.apply(this, arguments);
        }
  
        return getLanguage;
      }()
    }, {
      key: "getDirection",
      value: function () {
        var _getDirection = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee2() {
          var l10n;
          return _regenerator["default"].wrap(function _callee2$(_context2) {
            while (1) {
              switch (_context2.prev = _context2.next) {
                case 0:
                  _context2.next = 2;
                  return this._ready;
  
                case 2:
                  l10n = _context2.sent;
                  return _context2.abrupt("return", l10n.getDirection());
  
                case 4:
                case "end":
                  return _context2.stop();
              }
            }
          }, _callee2, this);
        }));
  
        function getDirection() {
          return _getDirection.apply(this, arguments);
        }
  
        return getDirection;
      }()
    }, {
      key: "get",
      value: function () {
        var _get = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee3(property, args, fallback) {
          var l10n;
          return _regenerator["default"].wrap(function _callee3$(_context3) {
            while (1) {
              switch (_context3.prev = _context3.next) {
                case 0:
                  _context3.next = 2;
                  return this._ready;
  
                case 2:
                  l10n = _context3.sent;
                  return _context3.abrupt("return", l10n.get(property, args, fallback));
  
                case 4:
                case "end":
                  return _context3.stop();
              }
            }
          }, _callee3, this);
        }));
  
        function get(_x, _x2, _x3) {
          return _get.apply(this, arguments);
        }
  
        return get;
      }()
    }, {
      key: "translate",
      value: function () {
        var _translate = _asyncToGenerator(
        /*#__PURE__*/
        _regenerator["default"].mark(function _callee4(element) {
          var l10n;
          return _regenerator["default"].wrap(function _callee4$(_context4) {
            while (1) {
              switch (_context4.prev = _context4.next) {
                case 0:
                  _context4.next = 2;
                  return this._ready;
  
                case 2:
                  l10n = _context4.sent;
                  return _context4.abrupt("return", l10n.translate(element));
  
                case 4:
                case "end":
                  return _context4.stop();
              }
            }
          }, _callee4, this);
        }));
  
        function translate(_x4) {
          return _translate.apply(this, arguments);
        }
  
        return translate;
      }()
    }]);
  
    return GenericL10n;
  }();
  
  exports.GenericL10n = GenericL10n;
  
  /***/ }),
  /* 40 */
  /***/ (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.substring(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.substring(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);
  
  /***/ }),
  /* 41 */
  /***/ (function(module, exports, __webpack_require__) {
  
  "use strict";
  
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.PDFPrintService = PDFPrintService;
  
  var _ui_utils = __webpack_require__(5);
  
  var _app = __webpack_require__(1);
  
  var _pdfjsLib = __webpack_require__(7);
  
  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({
          scale: 1,
          rotation: 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;
  
  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;
    }
  };
  
  /***/ })
  /******/ ]);
  //# sourceMappingURL=viewer.js.map