text: /* Copyright 2016 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.
   */
  'use strict';
  /*
    Patch for pdfjs-viewer-rails
   */
  var DEFAULT_URL = window.resourceURL;
  ;
  var pdfjsWebLibs;
  {
   pdfjsWebLibs = { pdfjsWebPDFJS: window.pdfjsDistBuildPdf };
   (function () {
    (function (root, factory) {
     factory(root.pdfjsWebGrabToPan = {});
    }(this, function (exports) {
     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);
       if (this.overlay.parentNode) {
        this.overlay.parentNode.removeChild(this.overlay);
       }
      }
     };
     var matchesSelector;
     [
      'webkitM',
      'mozM',
      'msM',
      'oM',
      'm'
     ].some(function (prefix) {
      var name = prefix + 'atches';
      if (name in document.documentElement) {
       matchesSelector = name;
      }
      name += 'Selector';
      if (name in document.documentElement) {
       matchesSelector = name;
      }
      return matchesSelector;
     });
     var isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9;
     var chrome = window.chrome;
     var isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
     var isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);
     function isLeftMouseReleased(event) {
      if ('buttons' in event && isNotIEorIsIE10plus) {
       return !(event.buttons & 1);
      }
      if (isChrome15OrOpera15plus || isSafari6plus) {
       return event.which === 0;
      }
     }
     exports.GrabToPan = GrabToPan;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebOverlayManager = {});
    }(this, function (exports) {
     var OverlayManager = {
      overlays: {},
      active: null,
      register: function overlayManagerRegister(name, element, callerCloseMethod, canForceClose) {
       return new Promise(function (resolve) {
        var container;
        if (!name || !element || !(container = element.parentNode)) {
         throw new Error('Not enough parameters.');
        } else if (this.overlays[name]) {
         throw new Error('The overlay is already registered.');
        }
        this.overlays[name] = {
         element: element,
         container: container,
         callerCloseMethod: callerCloseMethod || null,
         canForceClose: canForceClose || false
        };
        resolve();
       }.bind(this));
      },
      unregister: function overlayManagerUnregister(name) {
       return new Promise(function (resolve) {
        if (!this.overlays[name]) {
         throw new Error('The overlay does not exist.');
        } else if (this.active === name) {
         throw new Error('The overlay cannot be removed while it is active.');
        }
        delete this.overlays[name];
        resolve();
       }.bind(this));
      },
      open: function overlayManagerOpen(name) {
       return new Promise(function (resolve) {
        if (!this.overlays[name]) {
         throw new Error('The overlay does not exist.');
        } else if (this.active) {
         if (this.overlays[name].canForceClose) {
          this._closeThroughCaller();
         } else if (this.active === name) {
          throw new Error('The overlay is already active.');
         } else {
          throw new Error('Another overlay is currently active.');
         }
        }
        this.active = name;
        this.overlays[this.active].element.classList.remove('hidden');
        this.overlays[this.active].container.classList.remove('hidden');
        window.addEventListener('keydown', this._keyDown);
        resolve();
       }.bind(this));
      },
      close: function overlayManagerClose(name) {
       return new Promise(function (resolve) {
        if (!this.overlays[name]) {
         throw new Error('The overlay does not exist.');
        } else if (!this.active) {
         throw new Error('The overlay is currently not active.');
        } else if (this.active !== name) {
         throw new Error('Another overlay is currently active.');
        }
        this.overlays[this.active].container.classList.add('hidden');
        this.overlays[this.active].element.classList.add('hidden');
        this.active = null;
        window.removeEventListener('keydown', this._keyDown);
        resolve();
       }.bind(this));
      },
      _keyDown: function overlayManager_keyDown(evt) {
       var self = OverlayManager;
       if (self.active && evt.keyCode === 27) {
        self._closeThroughCaller();
        evt.preventDefault();
       }
      },
      _closeThroughCaller: function overlayManager_closeThroughCaller() {
       if (this.overlays[this.active].callerCloseMethod) {
        this.overlays[this.active].callerCloseMethod();
       }
       if (this.active) {
        this.close(this.active);
       }
      }
     };
     exports.OverlayManager = OverlayManager;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFRenderingQueue = {});
    }(this, function (exports) {
     var CLEANUP_TIMEOUT = 30000;
     var RenderingStates = {
      INITIAL: 0,
      RUNNING: 1,
      PAUSED: 2,
      FINISHED: 3
     };
     var PDFRenderingQueue = function PDFRenderingQueueClosure() {
      function PDFRenderingQueue() {
       this.pdfViewer = null;
       this.pdfThumbnailViewer = null;
       this.onIdle = null;
       this.highestPriorityPage = null;
       this.idleTimeout = null;
       this.printing = false;
       this.isThumbnailViewEnabled = false;
      }
      PDFRenderingQueue.prototype = {
       setViewer: function PDFRenderingQueue_setViewer(pdfViewer) {
        this.pdfViewer = pdfViewer;
       },
       setThumbnailViewer: function PDFRenderingQueue_setThumbnailViewer(pdfThumbnailViewer) {
        this.pdfThumbnailViewer = pdfThumbnailViewer;
       },
       isHighestPriority: function PDFRenderingQueue_isHighestPriority(view) {
        return this.highestPriorityPage === view.renderingId;
       },
       renderHighestPriority: function PDFRenderingQueue_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);
        }
       },
       getHighestPriority: function PDFRenderingQueue_getHighestPriority(visible, views, scrolledDown) {
        var visibleViews = visible.views;
        var numVisible = visibleViews.length;
        if (numVisible === 0) {
         return false;
        }
        for (var i = 0; i < numVisible; ++i) {
         var view = visibleViews[i].view;
         if (!this.isViewFinished(view)) {
          return view;
         }
        }
        if (scrolledDown) {
         var nextPageIndex = visible.last.id;
         if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
          return views[nextPageIndex];
         }
        } else {
         var previousPageIndex = visible.first.id - 2;
         if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
          return views[previousPageIndex];
         }
        }
        return null;
       },
       isViewFinished: function PDFRenderingQueue_isViewFinished(view) {
        return view.renderingState === RenderingStates.FINISHED;
       },
       renderView: function PDFRenderingQueue_renderView(view) {
        var state = view.renderingState;
        switch (state) {
        case RenderingStates.FINISHED:
         return false;
        case RenderingStates.PAUSED:
         this.highestPriorityPage = view.renderingId;
         view.resume();
         break;
        case RenderingStates.RUNNING:
         this.highestPriorityPage = view.renderingId;
         break;
        case RenderingStates.INITIAL:
         this.highestPriorityPage = view.renderingId;
         var continueRendering = function () {
          this.renderHighestPriority();
         }.bind(this);
         view.draw().then(continueRendering, continueRendering);
         break;
        }
        return true;
       }
      };
      return PDFRenderingQueue;
     }();
     exports.RenderingStates = RenderingStates;
     exports.PDFRenderingQueue = PDFRenderingQueue;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPreferences = {});
    }(this, function (exports) {
     var defaultPreferences = null;
     function getDefaultPreferences() {
      if (!defaultPreferences) {
       defaultPreferences = Promise.resolve({
        "showPreviousViewOnLoad": true,
        "defaultZoomValue": "",
        "sidebarViewOnLoad": 0,
        "enableHandToolOnLoad": false,
        "enableWebGL": false,
        "pdfBugEnabled": false,
        "disableRange": false,
        "disableStream": false,
        "disableAutoFetch": false,
        "disableFontFace": false,
        "disableTextLayer": false,
        "useOnlyCssZoom": false,
        "externalLinkTarget": 0,
        "enhanceTextSelection": false,
        "renderer": "canvas",
        "renderInteractiveForms": false,
        "disablePageLabels": false
       });
      }
      return defaultPreferences;
     }
     function cloneObj(obj) {
      var result = {};
      for (var i in obj) {
       if (Object.prototype.hasOwnProperty.call(obj, i)) {
        result[i] = obj[i];
       }
      }
      return result;
     }
     var Preferences = {
      prefs: null,
      isInitializedPromiseResolved: false,
      initializedPromise: null,
      initialize: function preferencesInitialize() {
       return this.initializedPromise = getDefaultPreferences().then(function (defaults) {
        Object.defineProperty(this, 'defaults', {
         value: Object.freeze(defaults),
         writable: false,
         enumerable: true,
         configurable: false
        });
        this.prefs = cloneObj(defaults);
        return this._readFromStorage(defaults);
       }.bind(this)).then(function (prefObj) {
        this.isInitializedPromiseResolved = true;
        if (prefObj) {
         this.prefs = prefObj;
        }
       }.bind(this));
      },
      _writeToStorage: function preferences_writeToStorage(prefObj) {
       return Promise.resolve();
      },
      _readFromStorage: function preferences_readFromStorage(prefObj) {
       return Promise.resolve();
      },
      reset: function preferencesReset() {
       return this.initializedPromise.then(function () {
        this.prefs = cloneObj(this.defaults);
        return this._writeToStorage(this.defaults);
       }.bind(this));
      },
      reload: function preferencesReload() {
       return this.initializedPromise.then(function () {
        this._readFromStorage(this.defaults).then(function (prefObj) {
         if (prefObj) {
          this.prefs = prefObj;
         }
        }.bind(this));
       }.bind(this));
      },
      set: function preferencesSet(name, value) {
       return this.initializedPromise.then(function () {
        if (this.defaults[name] === undefined) {
         throw new Error('preferencesSet: \'' + name + '\' is undefined.');
        } else if (value === undefined) {
         throw new Error('preferencesSet: no value is specified.');
        }
        var valueType = typeof value;
        var defaultType = typeof this.defaults[name];
        if (valueType !== defaultType) {
         if (valueType === 'number' && defaultType === 'string') {
          value = value.toString();
         } else {
          throw new Error('Preferences_set: \'' + value + '\' is a \"' + valueType + '\", expected \"' + defaultType + '\".');
         }
        } else {
         if (valueType === 'number' && (value | 0) !== value) {
          throw new Error('Preferences_set: \'' + value + '\' must be an \"integer\".');
         }
        }
        this.prefs[name] = value;
        return this._writeToStorage(this.prefs);
       }.bind(this));
      },
      get: function preferencesGet(name) {
       return this.initializedPromise.then(function () {
        var defaultValue = this.defaults[name];
        if (defaultValue === undefined) {
         throw new Error('preferencesGet: \'' + name + '\' is undefined.');
        } else {
         var prefValue = this.prefs[name];
         if (prefValue !== undefined) {
          return prefValue;
         }
        }
        return defaultValue;
       }.bind(this));
      }
     };
     Preferences._writeToStorage = function (prefObj) {
      return new Promise(function (resolve) {
       localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj));
       resolve();
      });
     };
     Preferences._readFromStorage = function (prefObj) {
      return new Promise(function (resolve) {
       var readPrefs = JSON.parse(localStorage.getItem('pdfjs.preferences'));
       resolve(readPrefs);
      });
     };
     exports.Preferences = Preferences;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebViewHistory = {});
    }(this, function (exports) {
     var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
     var ViewHistory = function ViewHistoryClosure() {
      function ViewHistory(fingerprint, cacheSize) {
       this.fingerprint = fingerprint;
       this.cacheSize = cacheSize || DEFAULT_VIEW_HISTORY_CACHE_SIZE;
       this.isInitializedPromiseResolved = false;
       this.initializedPromise = this._readFromStorage().then(function (databaseStr) {
        this.isInitializedPromiseResolved = true;
        var database = JSON.parse(databaseStr || '{}');
        if (!('files' in database)) {
         database.files = [];
        }
        if (database.files.length >= this.cacheSize) {
         database.files.shift();
        }
        var index;
        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 (typeof index !== 'number') {
         index = database.files.push({ fingerprint: this.fingerprint }) - 1;
        }
        this.file = database.files[index];
        this.database = database;
       }.bind(this));
      }
      ViewHistory.prototype = {
       _writeToStorage: function ViewHistory_writeToStorage() {
        return new Promise(function (resolve) {
         var databaseStr = JSON.stringify(this.database);
         localStorage.setItem('pdfjs.history', databaseStr);
         resolve();
        }.bind(this));
       },
       _readFromStorage: function ViewHistory_readFromStorage() {
        return new Promise(function (resolve) {
         var value = localStorage.getItem('pdfjs.history');
         if (!value) {
          var databaseStr = localStorage.getItem('database');
          if (databaseStr) {
           try {
            var database = JSON.parse(databaseStr);
            if (typeof database.files[0].fingerprint === 'string') {
             localStorage.setItem('pdfjs.history', databaseStr);
             localStorage.removeItem('database');
             value = databaseStr;
            }
           } catch (ex) {
           }
          }
         }
         resolve(value);
        });
       },
       set: function ViewHistory_set(name, val) {
        if (!this.isInitializedPromiseResolved) {
         return;
        }
        this.file[name] = val;
        return this._writeToStorage();
       },
       setMultiple: function ViewHistory_setMultiple(properties) {
        if (!this.isInitializedPromiseResolved) {
         return;
        }
        for (var name in properties) {
         this.file[name] = properties[name];
        }
        return this._writeToStorage();
       },
       get: function ViewHistory_get(name, defaultValue) {
        if (!this.isInitializedPromiseResolved) {
         return defaultValue;
        }
        return this.file[name] || defaultValue;
       }
      };
      return ViewHistory;
     }();
     exports.ViewHistory = ViewHistory;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebDownloadManager = {}, root.pdfjsWebPDFJS);
    }(this, function (exports, pdfjsLib) {
     function download(blobUrl, filename) {
      var a = document.createElement('a');
      if (a.click) {
       a.href = blobUrl;
       a.target = '_parent';
       if ('download' in a) {
        a.download = filename;
       }
       (document.body || document.documentElement).appendChild(a);
       a.click();
       a.parentNode.removeChild(a);
      } else {
       if (window.top === window && blobUrl.split('#')[0] === window.location.href.split('#')[0]) {
        var padCharacter = blobUrl.indexOf('?') === -1 ? '?' : '&';
        blobUrl = blobUrl.replace(/#|$/, padCharacter + '$&');
       }
       window.open(blobUrl, '_parent');
      }
     }
     function DownloadManager() {
     }
     DownloadManager.prototype = {
      downloadUrl: function DownloadManager_downloadUrl(url, filename) {
       if (!pdfjsLib.createValidAbsoluteUrl(url, 'http://example.com')) {
        return;
       }
       download(url + '#pdfjs.action=download', filename);
      },
      downloadData: function DownloadManager_downloadData(data, filename, contentType) {
       if (navigator.msSaveBlob) {
        return navigator.msSaveBlob(new Blob([data], { type: contentType }), filename);
       }
       var blobUrl = pdfjsLib.createObjectURL(data, contentType, pdfjsLib.PDFJS.disableCreateObjectURL);
       download(blobUrl, filename);
      },
      download: function DownloadManager_download(blob, url, filename) {
       if (!URL) {
        this.downloadUrl(url, filename);
        return;
       }
       if (navigator.msSaveBlob) {
        if (!navigator.msSaveBlob(blob, filename)) {
         this.downloadUrl(url, filename);
        }
        return;
       }
       var blobUrl = URL.createObjectURL(blob);
       download(blobUrl, filename);
      }
     };
     exports.DownloadManager = DownloadManager;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFAttachmentViewer = {}, root.pdfjsWebPDFJS);
    }(this, function (exports, pdfjsLib) {
     var PDFAttachmentViewer = function PDFAttachmentViewerClosure() {
      function PDFAttachmentViewer(options) {
       this.attachments = null;
       this.container = options.container;
       this.eventBus = options.eventBus;
       this.downloadManager = options.downloadManager;
      }
      PDFAttachmentViewer.prototype = {
       reset: function PDFAttachmentViewer_reset() {
        this.attachments = null;
        var container = this.container;
        while (container.firstChild) {
         container.removeChild(container.firstChild);
        }
       },
       _dispatchEvent: function PDFAttachmentViewer_dispatchEvent(attachmentsCount) {
        this.eventBus.dispatch('attachmentsloaded', {
         source: this,
         attachmentsCount: attachmentsCount
        });
       },
       _bindLink: function PDFAttachmentViewer_bindLink(button, content, filename) {
        button.onclick = function downloadFile(e) {
         this.downloadManager.downloadData(content, filename, '');
         return false;
        }.bind(this);
       },
       render: function PDFAttachmentViewer_render(params) {
        var attachments = params && params.attachments || null;
        var attachmentsCount = 0;
        if (this.attachments) {
         this.reset();
        }
        this.attachments = attachments;
        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 = pdfjsLib.getFilenameFromUrl(item.filename);
         var div = document.createElement('div');
         div.className = 'attachmentsItem';
         var button = document.createElement('button');
         this._bindLink(button, item.content, filename);
         button.textContent = pdfjsLib.removeNullCharacters(filename);
         div.appendChild(button);
         this.container.appendChild(div);
        }
        this._dispatchEvent(attachmentsCount);
       }
      };
      return PDFAttachmentViewer;
     }();
     exports.PDFAttachmentViewer = PDFAttachmentViewer;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFOutlineViewer = {}, root.pdfjsWebPDFJS);
    }(this, function (exports, pdfjsLib) {
     var PDFJS = pdfjsLib.PDFJS;
     var DEFAULT_TITLE = '\u2013';
     var PDFOutlineViewer = function PDFOutlineViewerClosure() {
      function PDFOutlineViewer(options) {
       this.outline = null;
       this.lastToggleIsShow = true;
       this.container = options.container;
       this.linkService = options.linkService;
       this.eventBus = options.eventBus;
      }
      PDFOutlineViewer.prototype = {
       reset: function PDFOutlineViewer_reset() {
        this.outline = null;
        this.lastToggleIsShow = true;
        var container = this.container;
        while (container.firstChild) {
         container.removeChild(container.firstChild);
        }
       },
       _dispatchEvent: function PDFOutlineViewer_dispatchEvent(outlineCount) {
        this.eventBus.dispatch('outlineloaded', {
         source: this,
         outlineCount: outlineCount
        });
       },
       _bindLink: function PDFOutlineViewer_bindLink(element, item) {
        if (item.url) {
         pdfjsLib.addLinkAttributes(element, {
          url: item.url,
          target: item.newWindow ? PDFJS.LinkTarget.BLANK : undefined
         });
         return;
        }
        var self = this, destination = item.dest;
        element.href = self.linkService.getDestinationHash(destination);
        element.onclick = function () {
         if (destination) {
          self.linkService.navigateTo(destination);
         }
         return false;
        };
       },
       _setStyles: function PDFOutlineViewer_setStyles(element, item) {
        var styleStr = '';
        if (item.bold) {
         styleStr += 'font-weight: bold;';
        }
        if (item.italic) {
         styleStr += 'font-style: italic;';
        }
        if (styleStr) {
         element.setAttribute('style', styleStr);
        }
       },
       _addToggleButton: function PDFOutlineViewer_addToggleButton(div) {
        var toggler = document.createElement('div');
        toggler.className = 'outlineItemToggler';
        toggler.onclick = function (event) {
         event.stopPropagation();
         toggler.classList.toggle('outlineItemsHidden');
         if (event.shiftKey) {
          var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
          this._toggleOutlineItem(div, shouldShowAll);
         }
        }.bind(this);
        div.insertBefore(toggler, div.firstChild);
       },
       _toggleOutlineItem: function PDFOutlineViewer_toggleOutlineItem(root, show) {
        this.lastToggleIsShow = show;
        var togglers = root.querySelectorAll('.outlineItemToggler');
        for (var i = 0, ii = togglers.length; i < ii; ++i) {
         togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
        }
       },
       toggleOutlineTree: function PDFOutlineViewer_toggleOutlineTree() {
        if (!this.outline) {
         return;
        }
        this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
       },
       render: function PDFOutlineViewer_render(params) {
        var outline = params && params.outline || null;
        var outlineCount = 0;
        if (this.outline) {
         this.reset();
        }
        this.outline = outline;
        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 = 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;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFSidebar = {}, root.pdfjsWebPDFRenderingQueue);
    }(this, function (exports, pdfRenderingQueue) {
     var RenderingStates = pdfRenderingQueue.RenderingStates;
     var SidebarView = {
      NONE: 0,
      THUMBS: 1,
      OUTLINE: 2,
      ATTACHMENTS: 3
     };
     var PDFSidebar = function PDFSidebarClosure() {
      function PDFSidebar(options) {
       this.isOpen = false;
       this.active = SidebarView.THUMBS;
       this.isInitialViewSet = false;
       this.onToggled = null;
       this.pdfViewer = options.pdfViewer;
       this.pdfThumbnailViewer = options.pdfThumbnailViewer;
       this.pdfOutlineViewer = options.pdfOutlineViewer;
       this.mainContainer = options.mainContainer;
       this.outerContainer = options.outerContainer;
       this.eventBus = options.eventBus;
       this.toggleButton = options.toggleButton;
       this.thumbnailButton = options.thumbnailButton;
       this.outlineButton = options.outlineButton;
       this.attachmentsButton = options.attachmentsButton;
       this.thumbnailView = options.thumbnailView;
       this.outlineView = options.outlineView;
       this.attachmentsView = options.attachmentsView;
       this._addEventListeners();
      }
      PDFSidebar.prototype = {
       reset: function PDFSidebar_reset() {
        this.isInitialViewSet = false;
        this.close();
        this.switchView(SidebarView.THUMBS);
        this.outlineButton.disabled = false;
        this.attachmentsButton.disabled = false;
       },
       get visibleView() {
        return this.isOpen ? this.active : SidebarView.NONE;
       },
       get isThumbnailViewVisible() {
        return this.isOpen && this.active === SidebarView.THUMBS;
       },
       get isOutlineViewVisible() {
        return this.isOpen && this.active === SidebarView.OUTLINE;
       },
       get isAttachmentsViewVisible() {
        return this.isOpen && this.active === SidebarView.ATTACHMENTS;
       },
       setInitialView: function PDFSidebar_setInitialView(view) {
        if (this.isInitialViewSet) {
         return;
        }
        this.isInitialViewSet = true;
        if (this.isOpen && view === SidebarView.NONE) {
         this._dispatchEvent();
         return;
        }
        var isViewPreserved = view === this.visibleView;
        this.switchView(view, true);
        if (isViewPreserved) {
         this._dispatchEvent();
        }
       },
       switchView: function PDFSidebar_switchView(view, forceOpen) {
        if (view === SidebarView.NONE) {
         this.close();
         return;
        }
        var isViewChanged = view !== this.active;
        var shouldForceRendering = false;
        switch (view) {
        case SidebarView.THUMBS:
         this.thumbnailButton.classList.add('toggled');
         this.outlineButton.classList.remove('toggled');
         this.attachmentsButton.classList.remove('toggled');
         this.thumbnailView.classList.remove('hidden');
         this.outlineView.classList.add('hidden');
         this.attachmentsView.classList.add('hidden');
         if (this.isOpen && isViewChanged) {
          this._updateThumbnailViewer();
          shouldForceRendering = true;
         }
         break;
        case SidebarView.OUTLINE:
         if (this.outlineButton.disabled) {
          return;
         }
         this.thumbnailButton.classList.remove('toggled');
         this.outlineButton.classList.add('toggled');
         this.attachmentsButton.classList.remove('toggled');
         this.thumbnailView.classList.add('hidden');
         this.outlineView.classList.remove('hidden');
         this.attachmentsView.classList.add('hidden');
         break;
        case SidebarView.ATTACHMENTS:
         if (this.attachmentsButton.disabled) {
          return;
         }
         this.thumbnailButton.classList.remove('toggled');
         this.outlineButton.classList.remove('toggled');
         this.attachmentsButton.classList.add('toggled');
         this.thumbnailView.classList.add('hidden');
         this.outlineView.classList.add('hidden');
         this.attachmentsView.classList.remove('hidden');
         break;
        default:
         console.error('PDFSidebar_switchView: "' + view + '" is an unsupported value.');
         return;
        }
        this.active = view | 0;
        if (forceOpen && !this.isOpen) {
         this.open();
         return;
        }
        if (shouldForceRendering) {
         this._forceRendering();
        }
        if (isViewChanged) {
         this._dispatchEvent();
        }
       },
       open: function PDFSidebar_open() {
        if (this.isOpen) {
         return;
        }
        this.isOpen = true;
        this.toggleButton.classList.add('toggled');
        this.outerContainer.classList.add('sidebarMoving');
        this.outerContainer.classList.add('sidebarOpen');
        if (this.active === SidebarView.THUMBS) {
         this._updateThumbnailViewer();
        }
        this._forceRendering();
        this._dispatchEvent();
       },
       close: function PDFSidebar_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();
       },
       toggle: function PDFSidebar_toggle() {
        if (this.isOpen) {
         this.close();
        } else {
         this.open();
        }
       },
       _dispatchEvent: function PDFSidebar_dispatchEvent() {
        this.eventBus.dispatch('sidebarviewchanged', {
         source: this,
         view: this.visibleView
        });
       },
       _forceRendering: function PDFSidebar_forceRendering() {
        if (this.onToggled) {
         this.onToggled();
        } else {
         this.pdfViewer.forceRendering();
         this.pdfThumbnailViewer.forceRendering();
        }
       },
       _updateThumbnailViewer: function PDFSidebar_updateThumbnailViewer() {
        var pdfViewer = this.pdfViewer;
        var thumbnailViewer = this.pdfThumbnailViewer;
        var pagesCount = pdfViewer.pagesCount;
        for (var pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
         var pageView = pdfViewer.getPageView(pageIndex);
         if (pageView && pageView.renderingState === RenderingStates.FINISHED) {
          var thumbnailView = thumbnailViewer.getThumbnail(pageIndex);
          thumbnailView.setImage(pageView);
         }
        }
        thumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
       },
       _addEventListeners: function PDFSidebar_addEventListeners() {
        var self = this;
        self.mainContainer.addEventListener('transitionend', function (evt) {
         if (evt.target === this) {
          self.outerContainer.classList.remove('sidebarMoving');
         }
        });
        self.thumbnailButton.addEventListener('click', function () {
         self.switchView(SidebarView.THUMBS);
        });
        self.outlineButton.addEventListener('click', function () {
         self.switchView(SidebarView.OUTLINE);
        });
        self.outlineButton.addEventListener('dblclick', function () {
         self.pdfOutlineViewer.toggleOutlineTree();
        });
        self.attachmentsButton.addEventListener('click', function () {
         self.switchView(SidebarView.ATTACHMENTS);
        });
        self.eventBus.on('outlineloaded', function (e) {
         var outlineCount = e.outlineCount;
         self.outlineButton.disabled = !outlineCount;
         if (!outlineCount && self.active === SidebarView.OUTLINE) {
          self.switchView(SidebarView.THUMBS);
         }
        });
        self.eventBus.on('attachmentsloaded', function (e) {
         var attachmentsCount = e.attachmentsCount;
         self.attachmentsButton.disabled = !attachmentsCount;
         if (!attachmentsCount && self.active === SidebarView.ATTACHMENTS) {
          self.switchView(SidebarView.THUMBS);
         }
        });
        self.eventBus.on('presentationmodechanged', function (e) {
         if (!e.active && !e.switchInProgress && self.isThumbnailViewVisible) {
          self._updateThumbnailViewer();
         }
        });
       }
      };
      return PDFSidebar;
     }();
     exports.SidebarView = SidebarView;
     exports.PDFSidebar = PDFSidebar;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebUIUtils = {}, root.pdfjsWebPDFJS);
    }(this, function (exports, pdfjsLib) {
     var CSS_UNITS = 96.0 / 72.0;
     var DEFAULT_SCALE_VALUE = 'auto';
     var DEFAULT_SCALE = 1.0;
     var MIN_SCALE = 0.25;
     var MAX_SCALE = 10.0;
     var UNKNOWN_SCALE = 0;
     var MAX_AUTO_SCALE = 1.25;
     var SCROLLBAR_PADDING = 40;
     var VERTICAL_PADDING = 5;
     var RendererType = {
      CANVAS: 'canvas',
      SVG: 'svg'
     };
     var mozL10n = document.mozL10n || document.webL10n;
     var PDFJS = pdfjsLib.PDFJS;
     PDFJS.disableFullscreen = PDFJS.disableFullscreen === undefined ? false : PDFJS.disableFullscreen;
     PDFJS.useOnlyCssZoom = PDFJS.useOnlyCssZoom === undefined ? false : PDFJS.useOnlyCssZoom;
     PDFJS.maxCanvasPixels = PDFJS.maxCanvasPixels === undefined ? 16777216 : PDFJS.maxCanvasPixels;
     PDFJS.disableHistory = PDFJS.disableHistory === undefined ? false : PDFJS.disableHistory;
     PDFJS.disableTextLayer = PDFJS.disableTextLayer === undefined ? false : PDFJS.disableTextLayer;
     PDFJS.ignoreCurrentPositionOnZoom = PDFJS.ignoreCurrentPositionOnZoom === undefined ? false : PDFJS.ignoreCurrentPositionOnZoom;
     PDFJS.locale = PDFJS.locale === undefined ? navigator.language : PDFJS.locale;
     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, skipOverflowHiddenElements) {
      var parent = element.offsetParent;
      if (!parent) {
       console.error('offsetParent is not set -- cannot scroll');
       return;
      }
      var checkOverflow = skipOverflowHiddenElements || false;
      var offsetY = element.offsetTop + element.clientTop;
      var offsetX = element.offsetLeft + element.clientLeft;
      while (parent.clientHeight === parent.scrollHeight || checkOverflow && 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 currentY = viewAreaElement.scrollTop;
        var lastY = state.lastY;
        if (currentY !== lastY) {
         state.down = currentY > lastY;
        }
        state.lastY = currentY;
        callback(state);
       });
      };
      var state = {
       down: true,
       lastY: viewAreaElement.scrollTop,
       _eventHandler: debounceScroll
      };
      var rAF = null;
      viewAreaElement.addEventListener('scroll', debounceScroll, true);
      return state;
     }
     function parseQueryString(query) {
      var parts = query.split('&');
      var params = {};
      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 getVisibleElements(scrollEl, views, sortByVisibility) {
      var top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight;
      var left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth;
      function isElementBottomBelowViewTop(view) {
       var element = view.div;
       var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
       return elementBottom > top;
      }
      var visible = [], view, element;
      var currentHeight, viewHeight, hiddenHeight, percentHeight;
      var currentWidth, viewWidth;
      var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop);
      for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
       view = views[i];
       element = view.div;
       currentHeight = element.offsetTop + element.clientTop;
       viewHeight = element.clientHeight;
       if (currentHeight > bottom) {
        break;
       }
       currentWidth = element.offsetLeft + element.clientLeft;
       viewWidth = element.clientWidth;
       if (currentWidth + viewWidth < left || currentWidth > right) {
        continue;
       }
       hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, currentHeight + viewHeight - bottom);
       percentHeight = (viewHeight - hiddenHeight) * 100 / viewHeight | 0;
       visible.push({
        id: view.id,
        x: currentWidth,
        y: currentHeight,
        view: view,
        percent: percentHeight
       });
      }
      var first = visible[0];
      var last = visible[visible.length - 1];
      if (sortByVisibility) {
       visible.sort(function (a, b) {
        var pc = a.percent - b.percent;
        if (Math.abs(pc) > 0.001) {
         return -pc;
        }
        return a.id - b.id;
       });
      }
      return {
       first: first,
       last: last,
       views: visible
      };
     }
     function noContextMenuHandler(e) {
      e.preventDefault();
     }
     function getPDFFileNameFromURL(url) {
      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.indexOf('%') !== -1) {
        try {
         suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
        } catch (e) {
        }
       }
      }
      return suggestedFilename || 'document.pdf';
     }
     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;
     }
     var animationStarted = new Promise(function (resolve) {
      window.requestAnimationFrame(resolve);
     });
     var localized = new Promise(function (resolve, reject) {
      if (!mozL10n) {
       resolve();
       return;
      }
      if (mozL10n.getReadyState() !== 'loading') {
       resolve();
       return;
      }
      window.addEventListener('localized', function localized(evt) {
       resolve();
      });
     });
     var EventBus = function EventBusClosure() {
      function EventBus() {
       this._listeners = Object.create(null);
      }
      EventBus.prototype = {
       on: function EventBus_on(eventName, listener) {
        var eventListeners = this._listeners[eventName];
        if (!eventListeners) {
         eventListeners = [];
         this._listeners[eventName] = eventListeners;
        }
        eventListeners.push(listener);
       },
       off: function EventBus_on(eventName, listener) {
        var eventListeners = this._listeners[eventName];
        var i;
        if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
         return;
        }
        eventListeners.splice(i, 1);
       },
       dispatch: function EventBus_dispath(eventName) {
        var eventListeners = this._listeners[eventName];
        if (!eventListeners || eventListeners.length === 0) {
         return;
        }
        var args = Array.prototype.slice.call(arguments, 1);
        eventListeners.slice(0).forEach(function (listener) {
         listener.apply(null, args);
        });
       }
      };
      return EventBus;
     }();
     var ProgressBar = function ProgressBarClosure() {
      function clamp(v, min, max) {
       return Math.min(Math.max(v, min), max);
      }
      function ProgressBar(id, opts) {
       this.visible = true;
       this.div = document.querySelector(id + ' .progress');
       this.bar = this.div.parentNode;
       this.height = opts.height || 100;
       this.width = opts.width || 100;
       this.units = opts.units || '%';
       this.div.style.height = this.height + this.units;
       this.percent = 0;
      }
      ProgressBar.prototype = {
       updateBar: function ProgressBar_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;
       },
       get percent() {
        return this._percent;
       },
       set percent(val) {
        this._indeterminate = isNaN(val);
        this._percent = clamp(val, 0, 100);
        this.updateBar();
       },
       setWidth: function ProgressBar_setWidth(viewer) {
        if (viewer) {
         var container = viewer.parentNode;
         var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
         if (scrollbarWidth > 0) {
          this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
         }
        }
       },
       hide: function ProgressBar_hide() {
        if (!this.visible) {
         return;
        }
        this.visible = false;
        this.bar.classList.add('hidden');
        document.body.classList.remove('loadingInProgress');
       },
       show: function ProgressBar_show() {
        if (this.visible) {
         return;
        }
        this.visible = true;
        document.body.classList.add('loadingInProgress');
        this.bar.classList.remove('hidden');
       }
      };
      return ProgressBar;
     }();
     exports.CSS_UNITS = CSS_UNITS;
     exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
     exports.DEFAULT_SCALE = DEFAULT_SCALE;
     exports.MIN_SCALE = MIN_SCALE;
     exports.MAX_SCALE = MAX_SCALE;
     exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
     exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
     exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
     exports.VERTICAL_PADDING = VERTICAL_PADDING;
     exports.RendererType = RendererType;
     exports.mozL10n = mozL10n;
     exports.EventBus = EventBus;
     exports.ProgressBar = ProgressBar;
     exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
     exports.noContextMenuHandler = noContextMenuHandler;
     exports.parseQueryString = parseQueryString;
     exports.getVisibleElements = getVisibleElements;
     exports.roundToDivide = roundToDivide;
     exports.approximateFraction = approximateFraction;
     exports.getOutputScale = getOutputScale;
     exports.scrollIntoView = scrollIntoView;
     exports.watchScroll = watchScroll;
     exports.binarySearchFirstItem = binarySearchFirstItem;
     exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
     exports.animationStarted = animationStarted;
     exports.localized = localized;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebDOMEvents = {}, root.pdfjsWebUIUtils);
    }(this, function (exports, uiUtils) {
     var EventBus = uiUtils.EventBus;
     function attachDOMEventsToEventBus(eventBus) {
      eventBus.on('documentload', function () {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('documentload', true, true, {});
       window.dispatchEvent(event);
      });
      eventBus.on('pagerendered', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('pagerendered', true, true, {
        pageNumber: e.pageNumber,
        cssTransform: e.cssTransform
       });
       e.source.div.dispatchEvent(event);
      });
      eventBus.on('textlayerrendered', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('textlayerrendered', true, true, { pageNumber: e.pageNumber });
       e.source.textLayerDiv.dispatchEvent(event);
      });
      eventBus.on('pagechange', function (e) {
       var event = document.createEvent('UIEvents');
       event.initUIEvent('pagechange', true, true, window, 0);
       event.pageNumber = e.pageNumber;
       e.source.container.dispatchEvent(event);
      });
      eventBus.on('pagesinit', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('pagesinit', true, true, null);
       e.source.container.dispatchEvent(event);
      });
      eventBus.on('pagesloaded', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('pagesloaded', true, true, { pagesCount: e.pagesCount });
       e.source.container.dispatchEvent(event);
      });
      eventBus.on('scalechange', function (e) {
       var event = document.createEvent('UIEvents');
       event.initUIEvent('scalechange', true, true, window, 0);
       event.scale = e.scale;
       event.presetValue = e.presetValue;
       e.source.container.dispatchEvent(event);
      });
      eventBus.on('updateviewarea', function (e) {
       var event = document.createEvent('UIEvents');
       event.initUIEvent('updateviewarea', true, true, window, 0);
       event.location = e.location;
       e.source.container.dispatchEvent(event);
      });
      eventBus.on('find', function (e) {
       if (e.source === window) {
        return;
       }
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('find' + e.type, true, true, {
        query: e.query,
        phraseSearch: e.phraseSearch,
        caseSensitive: e.caseSensitive,
        highlightAll: e.highlightAll,
        findPrevious: e.findPrevious
       });
       window.dispatchEvent(event);
      });
      eventBus.on('attachmentsloaded', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: e.attachmentsCount });
       e.source.container.dispatchEvent(event);
      });
      eventBus.on('sidebarviewchanged', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('sidebarviewchanged', true, true, { view: e.view });
       e.source.outerContainer.dispatchEvent(event);
      });
      eventBus.on('pagemode', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('pagemode', true, true, { mode: e.mode });
       e.source.pdfViewer.container.dispatchEvent(event);
      });
      eventBus.on('namedaction', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('namedaction', true, true, { action: e.action });
       e.source.pdfViewer.container.dispatchEvent(event);
      });
      eventBus.on('presentationmodechanged', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('presentationmodechanged', true, true, {
        active: e.active,
        switchInProgress: e.switchInProgress
       });
       window.dispatchEvent(event);
      });
      eventBus.on('outlineloaded', function (e) {
       var event = document.createEvent('CustomEvent');
       event.initCustomEvent('outlineloaded', true, true, { outlineCount: e.outlineCount });
       e.source.container.dispatchEvent(event);
      });
     }
     var globalEventBus = null;
     function getGlobalEventBus() {
      if (globalEventBus) {
       return globalEventBus;
      }
      globalEventBus = new EventBus();
      attachDOMEventsToEventBus(globalEventBus);
      return globalEventBus;
     }
     exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
     exports.getGlobalEventBus = getGlobalEventBus;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebHandTool = {}, root.pdfjsWebGrabToPan, root.pdfjsWebPreferences, root.pdfjsWebUIUtils);
    }(this, function (exports, grabToPan, preferences, uiUtils) {
     var GrabToPan = grabToPan.GrabToPan;
     var Preferences = preferences.Preferences;
     var localized = uiUtils.localized;
     var HandTool = function HandToolClosure() {
      function HandTool(options) {
       this.container = options.container;
       this.eventBus = options.eventBus;
       this.wasActive = false;
       this.handTool = new GrabToPan({
        element: this.container,
        onActiveChanged: function (isActive) {
         this.eventBus.dispatch('handtoolchanged', { isActive: isActive });
        }.bind(this)
       });
       this.eventBus.on('togglehandtool', this.toggle.bind(this));
       Promise.all([
        localized,
        Preferences.get('enableHandToolOnLoad')
       ]).then(function resolved(values) {
        if (values[1] === true) {
         this.handTool.activate();
        }
       }.bind(this)).catch(function rejected(reason) {
       });
       this.eventBus.on('presentationmodechanged', function (e) {
        if (e.switchInProgress) {
         return;
        }
        if (e.active) {
         this.enterPresentationMode();
        } else {
         this.exitPresentationMode();
        }
       }.bind(this));
      }
      HandTool.prototype = {
       get isActive() {
        return !!this.handTool.active;
       },
       toggle: function HandTool_toggle() {
        this.handTool.toggle();
       },
       enterPresentationMode: function HandTool_enterPresentationMode() {
        if (this.isActive) {
         this.wasActive = true;
         this.handTool.deactivate();
        }
       },
       exitPresentationMode: function HandTool_exitPresentationMode() {
        if (this.wasActive) {
         this.wasActive = false;
         this.handTool.activate();
        }
       }
      };
      return HandTool;
     }();
     exports.HandTool = HandTool;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPasswordPrompt = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager, root.pdfjsWebPDFJS);
    }(this, function (exports, uiUtils, overlayManager, pdfjsLib) {
     var mozL10n = uiUtils.mozL10n;
     var OverlayManager = overlayManager.OverlayManager;
     var PasswordPrompt = function PasswordPromptClosure() {
      function PasswordPrompt(options) {
       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.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();
        }
       }.bind(this));
       OverlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
      }
      PasswordPrompt.prototype = {
       open: function PasswordPrompt_open() {
        OverlayManager.open(this.overlayName).then(function () {
         this.input.type = 'password';
         this.input.focus();
         var promptString = mozL10n.get('password_label', null, 'Enter the password to open this PDF file.');
         if (this.reason === pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
          promptString = mozL10n.get('password_invalid', null, 'Invalid password. Please try again.');
         }
         this.label.textContent = promptString;
        }.bind(this));
       },
       close: function PasswordPrompt_close() {
        OverlayManager.close(this.overlayName).then(function () {
         this.input.value = '';
         this.input.type = '';
        }.bind(this));
       },
       verify: function PasswordPrompt_verify() {
        var password = this.input.value;
        if (password && password.length > 0) {
         this.close();
         return this.updateCallback(password);
        }
       },
       setUpdateCallback: function PasswordPrompt_setUpdateCallback(updateCallback, reason) {
        this.updateCallback = updateCallback;
        this.reason = reason;
       }
      };
      return PasswordPrompt;
     }();
     exports.PasswordPrompt = PasswordPrompt;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFDocumentProperties = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager);
    }(this, function (exports, uiUtils, overlayManager) {
     var getPDFFileNameFromURL = uiUtils.getPDFFileNameFromURL;
     var mozL10n = uiUtils.mozL10n;
     var OverlayManager = overlayManager.OverlayManager;
     var PDFDocumentProperties = function PDFDocumentPropertiesClosure() {
      function PDFDocumentProperties(options) {
       this.fields = options.fields;
       this.overlayName = options.overlayName;
       this.container = options.container;
       this.rawFileSize = 0;
       this.url = null;
       this.pdfDocument = null;
       if (options.closeButton) {
        options.closeButton.addEventListener('click', this.close.bind(this));
       }
       this.dataAvailablePromise = new Promise(function (resolve) {
        this.resolveDataAvailable = resolve;
       }.bind(this));
       OverlayManager.register(this.overlayName, this.container, this.close.bind(this));
      }
      PDFDocumentProperties.prototype = {
       open: function PDFDocumentProperties_open() {
        Promise.all([
         OverlayManager.open(this.overlayName),
         this.dataAvailablePromise
        ]).then(function () {
         this._getProperties();
        }.bind(this));
       },
       close: function PDFDocumentProperties_close() {
        OverlayManager.close(this.overlayName);
       },
       setFileSize: function PDFDocumentProperties_setFileSize(fileSize) {
        if (fileSize > 0) {
         this.rawFileSize = fileSize;
        }
       },
       setDocumentAndUrl: function PDFDocumentProperties_setDocumentAndUrl(pdfDocument, url) {
        this.pdfDocument = pdfDocument;
        this.url = url;
        this.resolveDataAvailable();
       },
       _getProperties: function PDFDocumentProperties_getProperties() {
        if (!OverlayManager.active) {
         return;
        }
        this.pdfDocument.getDownloadInfo().then(function (data) {
         if (data.length === this.rawFileSize) {
          return;
         }
         this.setFileSize(data.length);
         this._updateUI(this.fields['fileSize'], this._parseFileSize());
        }.bind(this));
        this.pdfDocument.getMetadata().then(function (data) {
         var content = {
          'fileName': getPDFFileNameFromURL(this.url),
          'fileSize': this._parseFileSize(),
          'title': data.info.Title,
          'author': data.info.Author,
          'subject': data.info.Subject,
          'keywords': data.info.Keywords,
          'creationDate': this._parseDate(data.info.CreationDate),
          'modificationDate': this._parseDate(data.info.ModDate),
          'creator': data.info.Creator,
          'producer': data.info.Producer,
          'version': data.info.PDFFormatVersion,
          'pageCount': this.pdfDocument.numPages
         };
         for (var identifier in content) {
          this._updateUI(this.fields[identifier], content[identifier]);
         }
        }.bind(this));
       },
       _updateUI: function PDFDocumentProperties_updateUI(field, content) {
        if (field && content !== undefined && content !== '') {
         field.textContent = content;
        }
       },
       _parseFileSize: function PDFDocumentProperties_parseFileSize() {
        var fileSize = this.rawFileSize, kb = fileSize / 1024;
        if (!kb) {
         return;
        } else if (kb < 1024) {
         return mozL10n.get('document_properties_kb', {
          size_kb: (+kb.toPrecision(3)).toLocaleString(),
          size_b: fileSize.toLocaleString()
         }, '{{size_kb}} KB ({{size_b}} bytes)');
        }
        return mozL10n.get('document_properties_mb', {
         size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
         size_b: fileSize.toLocaleString()
        }, '{{size_mb}} MB ({{size_b}} bytes)');
       },
       _parseDate: function PDFDocumentProperties_parseDate(inputDate) {
        var dateToParse = inputDate;
        if (dateToParse === undefined) {
         return '';
        }
        if (dateToParse.substring(0, 2) === 'D:') {
         dateToParse = dateToParse.substring(2);
        }
        var year = parseInt(dateToParse.substring(0, 4), 10);
        var month = parseInt(dateToParse.substring(4, 6), 10) - 1;
        var day = parseInt(dateToParse.substring(6, 8), 10);
        var hours = parseInt(dateToParse.substring(8, 10), 10);
        var minutes = parseInt(dateToParse.substring(10, 12), 10);
        var seconds = parseInt(dateToParse.substring(12, 14), 10);
        var utRel = dateToParse.substring(14, 15);
        var offsetHours = parseInt(dateToParse.substring(15, 17), 10);
        var offsetMinutes = parseInt(dateToParse.substring(18, 20), 10);
        if (utRel === '-') {
         hours += offsetHours;
         minutes += offsetMinutes;
        } else if (utRel === '+') {
         hours -= offsetHours;
         minutes -= offsetMinutes;
        }
        var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds));
        var dateString = date.toLocaleDateString();
        var timeString = date.toLocaleTimeString();
        return mozL10n.get('document_properties_date_string', {
         date: dateString,
         time: timeString
        }, '{{date}}, {{time}}');
       }
      };
      return PDFDocumentProperties;
     }();
     exports.PDFDocumentProperties = PDFDocumentProperties;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFFindController = {}, root.pdfjsWebUIUtils);
    }(this, function (exports, uiUtils) {
     var scrollIntoView = uiUtils.scrollIntoView;
     var FindStates = {
      FIND_FOUND: 0,
      FIND_NOTFOUND: 1,
      FIND_WRAPPED: 2,
      FIND_PENDING: 3
     };
     var FIND_SCROLL_OFFSET_TOP = -50;
     var FIND_SCROLL_OFFSET_LEFT = -400;
     var CHARACTERS_TO_NORMALIZE = {
      '\u2018': '\'',
      '\u2019': '\'',
      '\u201A': '\'',
      '\u201B': '\'',
      '\u201C': '"',
      '\u201D': '"',
      '\u201E': '"',
      '\u201F': '"',
      '\u00BC': '1/4',
      '\u00BD': '1/2',
      '\u00BE': '3/4'
     };
     var PDFFindController = function PDFFindControllerClosure() {
      function PDFFindController(options) {
       this.pdfViewer = options.pdfViewer || null;
       this.onUpdateResultsCount = null;
       this.onUpdateState = null;
       this.reset();
       var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
       this.normalizationRegex = new RegExp('[' + replace + ']', 'g');
      }
      PDFFindController.prototype = {
       reset: function PDFFindController_reset() {
        this.startedTextExtraction = false;
        this.extractTextPromises = [];
        this.pendingFindMatches = Object.create(null);
        this.active = false;
        this.pageContents = [];
        this.pageMatches = [];
        this.pageMatchesLength = null;
        this.matchCount = 0;
        this.selected = {
         pageIdx: -1,
         matchIdx: -1
        };
        this.offset = {
         pageIdx: null,
         matchIdx: null
        };
        this.pagesToSearch = null;
        this.resumePageIdx = null;
        this.state = null;
        this.dirtyMatch = false;
        this.findTimeout = null;
        this.firstPagePromise = new Promise(function (resolve) {
         this.resolveFirstPage = resolve;
        }.bind(this));
       },
       normalize: function PDFFindController_normalize(text) {
        return text.replace(this.normalizationRegex, function (ch) {
         return CHARACTERS_TO_NORMALIZE[ch];
        });
       },
       _prepareMatches: function PDFFindController_prepareMatches(matchesWithLength, matches, matchesLength) {
        function isSubTerm(matchesWithLength, currentIndex) {
         var currentElem, prevElem, nextElem;
         currentElem = matchesWithLength[currentIndex];
         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--) {
          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;
        }
        var i, len;
        matchesWithLength.sort(function (a, b) {
         return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
        });
        for (i = 0, len = matchesWithLength.length; i < len; i++) {
         if (isSubTerm(matchesWithLength, i)) {
          continue;
         }
         matches.push(matchesWithLength[i].match);
         matchesLength.push(matchesWithLength[i].matchLength);
        }
       },
       calcFindPhraseMatch: function PDFFindController_calcFindPhraseMatch(query, pageIndex, pageContent) {
        var matches = [];
        var queryLen = query.length;
        var matchIdx = -queryLen;
        while (true) {
         matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
         if (matchIdx === -1) {
          break;
         }
         matches.push(matchIdx);
        }
        this.pageMatches[pageIndex] = matches;
       },
       calcFindWordMatch: function PDFFindController_calcFindWordMatch(query, pageIndex, pageContent) {
        var matchesWithLength = [];
        var queryArray = query.match(/\S+/g);
        var subquery, subqueryLen, matchIdx;
        for (var i = 0, len = queryArray.length; i < len; i++) {
         subquery = queryArray[i];
         subqueryLen = subquery.length;
         matchIdx = -subqueryLen;
         while (true) {
          matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
          if (matchIdx === -1) {
           break;
          }
          matchesWithLength.push({
           match: matchIdx,
           matchLength: subqueryLen,
           skipped: false
          });
         }
        }
        if (!this.pageMatchesLength) {
         this.pageMatchesLength = [];
        }
        this.pageMatchesLength[pageIndex] = [];
        this.pageMatches[pageIndex] = [];
        this._prepareMatches(matchesWithLength, this.pageMatches[pageIndex], this.pageMatchesLength[pageIndex]);
       },
       calcFindMatch: function PDFFindController_calcFindMatch(pageIndex) {
        var pageContent = this.normalize(this.pageContents[pageIndex]);
        var query = this.normalize(this.state.query);
        var caseSensitive = this.state.caseSensitive;
        var phraseSearch = this.state.phraseSearch;
        var queryLen = query.length;
        if (queryLen === 0) {
         return;
        }
        if (!caseSensitive) {
         pageContent = pageContent.toLowerCase();
         query = query.toLowerCase();
        }
        if (phraseSearch) {
         this.calcFindPhraseMatch(query, pageIndex, pageContent);
        } else {
         this.calcFindWordMatch(query, pageIndex, pageContent);
        }
        this.updatePage(pageIndex);
        if (this.resumePageIdx === pageIndex) {
         this.resumePageIdx = null;
         this.nextPageMatch();
        }
        if (this.pageMatches[pageIndex].length > 0) {
         this.matchCount += this.pageMatches[pageIndex].length;
         this.updateUIResultsCount();
        }
       },
       extractText: function PDFFindController_extractText() {
        if (this.startedTextExtraction) {
         return;
        }
        this.startedTextExtraction = true;
        this.pageContents = [];
        var extractTextPromisesResolves = [];
        var numPages = this.pdfViewer.pagesCount;
        for (var i = 0; i < numPages; i++) {
         this.extractTextPromises.push(new Promise(function (resolve) {
          extractTextPromisesResolves.push(resolve);
         }));
        }
        var self = this;
        function extractPageText(pageIndex) {
         self.pdfViewer.getPageTextContent(pageIndex).then(function textContentResolved(textContent) {
          var textItems = textContent.items;
          var str = [];
          for (var i = 0, len = textItems.length; i < len; i++) {
           str.push(textItems[i].str);
          }
          self.pageContents.push(str.join(''));
          extractTextPromisesResolves[pageIndex](pageIndex);
          if (pageIndex + 1 < self.pdfViewer.pagesCount) {
           extractPageText(pageIndex + 1);
          }
         });
        }
        extractPageText(0);
       },
       executeCommand: function PDFFindController_executeCommand(cmd, state) {
        if (this.state === null || cmd !== 'findagain') {
         this.dirtyMatch = true;
        }
        this.state = state;
        this.updateUIState(FindStates.FIND_PENDING);
        this.firstPagePromise.then(function () {
         this.extractText();
         clearTimeout(this.findTimeout);
         if (cmd === 'find') {
          this.findTimeout = setTimeout(this.nextMatch.bind(this), 250);
         } else {
          this.nextMatch();
         }
        }.bind(this));
       },
       updatePage: function PDFFindController_updatePage(index) {
        if (this.selected.pageIdx === index) {
         this.pdfViewer.currentPageNumber = index + 1;
        }
        var page = this.pdfViewer.getPageView(index);
        if (page.textLayer) {
         page.textLayer.updateMatches();
        }
       },
       nextMatch: function PDFFindController_nextMatch() {
        var previous = this.state.findPrevious;
        var currentPageIndex = this.pdfViewer.currentPageNumber - 1;
        var numPages = this.pdfViewer.pagesCount;
        this.active = true;
        if (this.dirtyMatch) {
         this.dirtyMatch = false;
         this.selected.pageIdx = this.selected.matchIdx = -1;
         this.offset.pageIdx = currentPageIndex;
         this.offset.matchIdx = null;
         this.hadMatch = false;
         this.resumePageIdx = null;
         this.pageMatches = [];
         this.matchCount = 0;
         this.pageMatchesLength = null;
         var self = this;
         for (var i = 0; i < numPages; i++) {
          this.updatePage(i);
          if (!(i in this.pendingFindMatches)) {
           this.pendingFindMatches[i] = true;
           this.extractTextPromises[i].then(function (pageIdx) {
            delete self.pendingFindMatches[pageIdx];
            self.calcFindMatch(pageIdx);
           });
          }
         }
        }
        if (this.state.query === '') {
         this.updateUIState(FindStates.FIND_FOUND);
         return;
        }
        if (this.resumePageIdx) {
         return;
        }
        var offset = this.offset;
        this.pagesToSearch = numPages;
        if (offset.matchIdx !== null) {
         var numPageMatches = this.pageMatches[offset.pageIdx].length;
         if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
          this.hadMatch = true;
          offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
          this.updateMatch(true);
          return;
         }
         this.advanceOffsetPage(previous);
        }
        this.nextPageMatch();
       },
       matchesReady: function PDFFindController_matchesReady(matches) {
        var offset = this.offset;
        var numMatches = matches.length;
        var previous = this.state.findPrevious;
        if (numMatches) {
         this.hadMatch = true;
         offset.matchIdx = previous ? numMatches - 1 : 0;
         this.updateMatch(true);
         return true;
        }
        this.advanceOffsetPage(previous);
        if (offset.wrapped) {
         offset.matchIdx = null;
         if (this.pagesToSearch < 0) {
          this.updateMatch(false);
          return true;
         }
        }
        return false;
       },
       updateMatchPosition: function PDFFindController_updateMatchPosition(pageIndex, index, elements, beginIdx) {
        if (this.selected.matchIdx === index && this.selected.pageIdx === pageIndex) {
         var spot = {
          top: FIND_SCROLL_OFFSET_TOP,
          left: FIND_SCROLL_OFFSET_LEFT
         };
         scrollIntoView(elements[beginIdx], spot, true);
        }
       },
       nextPageMatch: function PDFFindController_nextPageMatch() {
        if (this.resumePageIdx !== null) {
         console.error('There can only be one pending page.');
        }
        do {
         var pageIdx = this.offset.pageIdx;
         var matches = this.pageMatches[pageIdx];
         if (!matches) {
          this.resumePageIdx = pageIdx;
          break;
         }
        } while (!this.matchesReady(matches));
       },
       advanceOffsetPage: function PDFFindController_advanceOffsetPage(previous) {
        var offset = this.offset;
        var numPages = this.extractTextPromises.length;
        offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
        offset.matchIdx = null;
        this.pagesToSearch--;
        if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
         offset.pageIdx = previous ? numPages - 1 : 0;
         offset.wrapped = true;
        }
       },
       updateMatch: function PDFFindController_updateMatch(found) {
        var state = FindStates.FIND_NOTFOUND;
        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 ? FindStates.FIND_WRAPPED : FindStates.FIND_FOUND;
         if (previousPage !== -1 && previousPage !== this.selected.pageIdx) {
          this.updatePage(previousPage);
         }
        }
        this.updateUIState(state, this.state.findPrevious);
        if (this.selected.pageIdx !== -1) {
         this.updatePage(this.selected.pageIdx);
        }
       },
       updateUIResultsCount: function PDFFindController_updateUIResultsCount() {
        if (this.onUpdateResultsCount) {
         this.onUpdateResultsCount(this.matchCount);
        }
       },
       updateUIState: function PDFFindController_updateUIState(state, previous) {
        if (this.onUpdateState) {
         this.onUpdateState(state, previous, this.matchCount);
        }
       }
      };
      return PDFFindController;
     }();
     exports.FindStates = FindStates;
     exports.PDFFindController = PDFFindController;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFPresentationMode = {}, root.pdfjsWebUIUtils);
    }(this, function (exports, uiUtils) {
     var normalizeWheelEventDelta = uiUtils.normalizeWheelEventDelta;
     var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
     var DELAY_BEFORE_HIDING_CONTROLS = 3000;
     var ACTIVE_SELECTOR = 'pdfPresentationMode';
     var CONTROLS_SELECTOR = 'pdfPresentationModeControls';
     var PDFPresentationMode = function PDFPresentationModeClosure() {
      function PDFPresentationMode(options) {
       this.container = options.container;
       this.viewer = options.viewer || options.container.firstElementChild;
       this.pdfViewer = options.pdfViewer;
       this.eventBus = options.eventBus;
       var contextMenuItems = options.contextMenuItems || null;
       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 PDFPresentationMode_contextFirstPageClick(e) {
         this.contextMenuOpen = false;
         this.eventBus.dispatch('firstpage');
        }.bind(this));
        contextMenuItems.contextLastPage.addEventListener('click', function PDFPresentationMode_contextLastPageClick(e) {
         this.contextMenuOpen = false;
         this.eventBus.dispatch('lastpage');
        }.bind(this));
        contextMenuItems.contextPageRotateCw.addEventListener('click', function PDFPresentationMode_contextPageRotateCwClick(e) {
         this.contextMenuOpen = false;
         this.eventBus.dispatch('rotatecw');
        }.bind(this));
        contextMenuItems.contextPageRotateCcw.addEventListener('click', function PDFPresentationMode_contextPageRotateCcwClick(e) {
         this.contextMenuOpen = false;
         this.eventBus.dispatch('rotateccw');
        }.bind(this));
       }
      }
      PDFPresentationMode.prototype = {
       request: function PDFPresentationMode_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;
       },
       _mouseWheel: function PDFPresentationMode_mouseWheel(evt) {
        if (!this.active) {
         return;
        }
        evt.preventDefault();
        var delta = normalizeWheelEventDelta(evt);
        var MOUSE_SCROLL_COOLDOWN_TIME = 50;
        var PAGE_SWITCH_THRESHOLD = 0.1;
        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;
         }
        }
       },
       get isFullscreen() {
        return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
       },
       _goToPreviousPage: function PDFPresentationMode_goToPreviousPage() {
        var page = this.pdfViewer.currentPageNumber;
        if (page <= 1) {
         return false;
        }
        this.pdfViewer.currentPageNumber = page - 1;
        return true;
       },
       _goToNextPage: function PDFPresentationMode_goToNextPage() {
        var page = this.pdfViewer.currentPageNumber;
        if (page >= this.pdfViewer.pagesCount) {
         return false;
        }
        this.pdfViewer.currentPageNumber = page + 1;
        return true;
       },
       _notifyStateChange: function PDFPresentationMode_notifyStateChange() {
        this.eventBus.dispatch('presentationmodechanged', {
         source: this,
         active: this.active,
         switchInProgress: !!this.switchInProgress
        });
       },
       _setSwitchInProgress: function PDFPresentationMode_setSwitchInProgress() {
        if (this.switchInProgress) {
         clearTimeout(this.switchInProgress);
        }
        this.switchInProgress = setTimeout(function switchInProgressTimeout() {
         this._removeFullscreenChangeListeners();
         delete this.switchInProgress;
         this._notifyStateChange();
        }.bind(this), DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
       },
       _resetSwitchInProgress: function PDFPresentationMode_resetSwitchInProgress() {
        if (this.switchInProgress) {
         clearTimeout(this.switchInProgress);
         delete this.switchInProgress;
        }
       },
       _enter: function PDFPresentationMode_enter() {
        this.active = true;
        this._resetSwitchInProgress();
        this._notifyStateChange();
        this.container.classList.add(ACTIVE_SELECTOR);
        setTimeout(function enterPresentationModeTimeout() {
         this.pdfViewer.currentPageNumber = this.args.page;
         this.pdfViewer.currentScaleValue = 'page-fit';
        }.bind(this), 0);
        this._addWindowListeners();
        this._showControls();
        this.contextMenuOpen = false;
        this.container.setAttribute('contextmenu', 'viewerContextMenu');
        window.getSelection().removeAllRanges();
       },
       _exit: function PDFPresentationMode_exit() {
        var page = this.pdfViewer.currentPageNumber;
        this.container.classList.remove(ACTIVE_SELECTOR);
        setTimeout(function exitPresentationModeTimeout() {
         this.active = false;
         this._removeFullscreenChangeListeners();
         this._notifyStateChange();
         this.pdfViewer.currentScaleValue = this.args.previousScale;
         this.pdfViewer.currentPageNumber = page;
         this.args = null;
        }.bind(this), 0);
        this._removeWindowListeners();
        this._hideControls();
        this._resetMouseScrollState();
        this.container.removeAttribute('contextmenu');
        this.contextMenuOpen = false;
       },
       _mouseDown: function PDFPresentationMode_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();
          this.pdfViewer.currentPageNumber += evt.shiftKey ? -1 : 1;
         }
        }
       },
       _contextMenu: function PDFPresentationMode_contextMenu() {
        this.contextMenuOpen = true;
       },
       _showControls: function PDFPresentationMode_showControls() {
        if (this.controlsTimeout) {
         clearTimeout(this.controlsTimeout);
        } else {
         this.container.classList.add(CONTROLS_SELECTOR);
        }
        this.controlsTimeout = setTimeout(function showControlsTimeout() {
         this.container.classList.remove(CONTROLS_SELECTOR);
         delete this.controlsTimeout;
        }.bind(this), DELAY_BEFORE_HIDING_CONTROLS);
       },
       _hideControls: function PDFPresentationMode_hideControls() {
        if (!this.controlsTimeout) {
         return;
        }
        clearTimeout(this.controlsTimeout);
        this.container.classList.remove(CONTROLS_SELECTOR);
        delete this.controlsTimeout;
       },
       _resetMouseScrollState: function PDFPresentationMode_resetMouseScrollState() {
        this.mouseScrollTimeStamp = 0;
        this.mouseScrollDelta = 0;
       },
       _touchSwipe: function PDFPresentationMode_touchSwipe(evt) {
        if (!this.active) {
         return;
        }
        var SWIPE_MIN_DISTANCE_THRESHOLD = 50;
        var SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
        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;
        }
       },
       _addWindowListeners: function PDFPresentationMode_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);
       },
       _removeWindowListeners: function PDFPresentationMode_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;
       },
       _fullscreenChange: function PDFPresentationMode_fullscreenChange() {
        if (this.isFullscreen) {
         this._enter();
        } else {
         this._exit();
        }
       },
       _addFullscreenChangeListeners: function PDFPresentationMode_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);
       },
       _removeFullscreenChangeListeners: function PDFPresentationMode_removeFullscreenChangeListeners() {
        window.removeEventListener('fullscreenchange', this.fullscreenChangeBind);
        window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind);
        window.removeEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
        window.removeEventListener('MSFullscreenChange', this.fullscreenChangeBind);
        delete this.fullscreenChangeBind;
       }
      };
      return PDFPresentationMode;
     }();
     exports.PDFPresentationMode = PDFPresentationMode;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFThumbnailView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue);
    }(this, function (exports, uiUtils, pdfRenderingQueue) {
     var mozL10n = uiUtils.mozL10n;
     var getOutputScale = uiUtils.getOutputScale;
     var RenderingStates = pdfRenderingQueue.RenderingStates;
     var THUMBNAIL_WIDTH = 98;
     var THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
     var PDFThumbnailView = function PDFThumbnailViewClosure() {
      function getTempCanvas(width, height) {
       var tempCanvas = PDFThumbnailView.tempImageCache;
       if (!tempCanvas) {
        tempCanvas = document.createElement('canvas');
        PDFThumbnailView.tempImageCache = 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;
      }
      function PDFThumbnailView(options) {
       var container = options.container;
       var id = options.id;
       var defaultViewport = options.defaultViewport;
       var linkService = options.linkService;
       var renderingQueue = options.renderingQueue;
       var disableCanvasToImageConversion = options.disableCanvasToImageConversion || false;
       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 = 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;
       var anchor = document.createElement('a');
       anchor.href = linkService.getAnchorUrl('#page=' + id);
       anchor.title = mozL10n.get('thumb_page_title', { page: id }, 'Page {{page}}');
       anchor.onclick = function stopNavigation() {
        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;
       if (id === 1) {
        div.classList.add('selected');
       }
       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);
      }
      PDFThumbnailView.prototype = {
       setPdfPage: function PDFThumbnailView_setPdfPage(pdfPage) {
        this.pdfPage = pdfPage;
        this.pdfPageRotate = pdfPage.rotate;
        var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
        this.viewport = pdfPage.getViewport(1, totalRotation);
        this.reset();
       },
       reset: function PDFThumbnailView_reset() {
        this.cancelRendering();
        this.pageWidth = this.viewport.width;
        this.pageHeight = this.viewport.height;
        this.pageRatio = this.pageWidth / this.pageHeight;
        this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
        this.scale = this.canvasWidth / this.pageWidth;
        this.div.removeAttribute('data-loaded');
        var ring = this.ring;
        var childNodes = ring.childNodes;
        for (var i = childNodes.length - 1; i >= 0; i--) {
         ring.removeChild(childNodes[i]);
        }
        var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
        ring.style.width = this.canvasWidth + borderAdjustment + 'px';
        ring.style.height = this.canvasHeight + borderAdjustment + 'px';
        if (this.canvas) {
         this.canvas.width = 0;
         this.canvas.height = 0;
         delete this.canvas;
        }
        if (this.image) {
         this.image.removeAttribute('src');
         delete this.image;
        }
       },
       update: function PDFThumbnailView_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();
       },
       cancelRendering: function PDFThumbnailView_cancelRendering() {
        if (this.renderTask) {
         this.renderTask.cancel();
         this.renderTask = null;
        }
        this.renderingState = RenderingStates.INITIAL;
        this.resume = null;
       },
       _getPageDrawContext: function PDFThumbnailView_getPageDrawContext(noCtxScale) {
        var canvas = document.createElement('canvas');
        this.canvas = canvas;
        canvas.mozOpaque = true;
        var ctx = canvas.getContext('2d', { alpha: false });
        var outputScale = 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;
       },
       _convertCanvasToImage: function PDFThumbnailView_convertCanvasToImage() {
        if (!this.canvas) {
         return;
        }
        if (this.renderingState !== RenderingStates.FINISHED) {
         return;
        }
        var id = this.renderingId;
        var className = 'thumbnailImage';
        var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}');
        if (this.disableCanvasToImageConversion) {
         this.canvas.id = id;
         this.canvas.className = className;
         this.canvas.setAttribute('aria-label', ariaLabel);
         this.div.setAttribute('data-loaded', true);
         this.ring.appendChild(this.canvas);
         return;
        }
        var image = document.createElement('img');
        image.id = id;
        image.className = className;
        image.setAttribute('aria-label', ariaLabel);
        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;
       },
       draw: function PDFThumbnailView_draw() {
        if (this.renderingState !== RenderingStates.INITIAL) {
         console.error('Must be in new state before drawing');
         return Promise.resolve(undefined);
        }
        this.renderingState = RenderingStates.RUNNING;
        var resolveRenderPromise, rejectRenderPromise;
        var promise = new Promise(function (resolve, reject) {
         resolveRenderPromise = resolve;
         rejectRenderPromise = reject;
        });
        var self = this;
        function thumbnailDrawCallback(error) {
         if (renderTask === self.renderTask) {
          self.renderTask = null;
         }
         if (error === 'cancelled') {
          rejectRenderPromise(error);
          return;
         }
         self.renderingState = RenderingStates.FINISHED;
         self._convertCanvasToImage();
         if (!error) {
          resolveRenderPromise(undefined);
         } else {
          rejectRenderPromise(error);
         }
        }
        var ctx = this._getPageDrawContext();
        var drawViewport = this.viewport.clone({ scale: this.scale });
        var renderContinueCallback = function renderContinueCallback(cont) {
         if (!self.renderingQueue.isHighestPriority(self)) {
          self.renderingState = RenderingStates.PAUSED;
          self.resume = function resumeCallback() {
           self.renderingState = 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 pdfPageRenderCallback() {
         thumbnailDrawCallback(null);
        }, function pdfPageRenderError(error) {
         thumbnailDrawCallback(error);
        });
        return promise;
       },
       setImage: function PDFThumbnailView_setImage(pageView) {
        if (this.renderingState !== RenderingStates.INITIAL) {
         return;
        }
        var img = pageView.canvas;
        if (!img) {
         return;
        }
        if (!this.pdfPage) {
         this.setPdfPage(pageView.pdfPage);
        }
        this.renderingState = 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 MAX_NUM_SCALING_STEPS = 3;
        var reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
        var reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
        var reducedImage = getTempCanvas(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();
       },
       get pageId() {
        return this.pageLabel !== null ? this.pageLabel : this.id;
       },
       setPageLabel: function PDFThumbnailView_setPageLabel(label) {
        this.pageLabel = typeof label === 'string' ? label : null;
        this.anchor.title = mozL10n.get('thumb_page_title', { page: this.pageId }, 'Page {{page}}');
        if (this.renderingState !== RenderingStates.FINISHED) {
         return;
        }
        var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}');
        if (this.image) {
         this.image.setAttribute('aria-label', ariaLabel);
        } else if (this.disableCanvasToImageConversion && this.canvas) {
         this.canvas.setAttribute('aria-label', ariaLabel);
        }
       }
      };
      return PDFThumbnailView;
     }();
     PDFThumbnailView.tempImageCache = null;
     exports.PDFThumbnailView = PDFThumbnailView;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebSecondaryToolbar = {}, root.pdfjsWebUIUtils);
    }(this, function (exports, uiUtils) {
     var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING;
     var mozL10n = uiUtils.mozL10n;
     var SecondaryToolbar = function SecondaryToolbarClosure() {
      function SecondaryToolbar(options, mainContainer, eventBus) {
       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.toggleHandToolButton,
         eventName: 'togglehandtool',
         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._bindHandToolListener(options.toggleHandToolButton);
       this.eventBus.on('resize', this._setMaxHeight.bind(this));
      }
      SecondaryToolbar.prototype = {
       get isOpen() {
        return this.opened;
       },
       setPageNumber: function SecondaryToolbar_setPageNumber(pageNumber) {
        this.pageNumber = pageNumber;
        this._updateUIState();
       },
       setPagesCount: function SecondaryToolbar_setPagesCount(pagesCount) {
        this.pagesCount = pagesCount;
        this._updateUIState();
       },
       reset: function SecondaryToolbar_reset() {
        this.pageNumber = 0;
        this.pagesCount = 0;
        this._updateUIState();
       },
       _updateUIState: function SecondaryToolbar_updateUIState() {
        var items = this.items;
        items.firstPage.disabled = this.pageNumber <= 1;
        items.lastPage.disabled = this.pageNumber >= this.pagesCount;
        items.pageRotateCw.disabled = this.pagesCount === 0;
        items.pageRotateCcw.disabled = this.pagesCount === 0;
       },
       _bindClickListeners: function SecondaryToolbar_bindClickListeners() {
        this.toggleButton.addEventListener('click', this.toggle.bind(this));
        for (var button in this.buttons) {
         var element = this.buttons[button].element;
         var eventName = this.buttons[button].eventName;
         var close = this.buttons[button].close;
         element.addEventListener('click', function (eventName, close) {
          if (eventName !== null) {
           this.eventBus.dispatch(eventName, { source: this });
          }
          if (close) {
           this.close();
          }
         }.bind(this, eventName, close));
        }
       },
       _bindHandToolListener: function SecondaryToolbar_bindHandToolListener(toggleHandToolButton) {
        var isHandToolActive = false;
        this.eventBus.on('handtoolchanged', function (e) {
         if (isHandToolActive === e.isActive) {
          return;
         }
         isHandToolActive = e.isActive;
         if (isHandToolActive) {
          toggleHandToolButton.title = mozL10n.get('hand_tool_disable.title', null, 'Disable hand tool');
          toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_disable_label', null, 'Disable hand tool');
         } else {
          toggleHandToolButton.title = mozL10n.get('hand_tool_enable.title', null, 'Enable hand tool');
          toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_enable_label', null, 'Enable hand tool');
         }
        });
       },
       open: function SecondaryToolbar_open() {
        if (this.opened) {
         return;
        }
        this.opened = true;
        this._setMaxHeight();
        this.toggleButton.classList.add('toggled');
        this.toolbar.classList.remove('hidden');
       },
       close: function SecondaryToolbar_close() {
        if (!this.opened) {
         return;
        }
        this.opened = false;
        this.toolbar.classList.add('hidden');
        this.toggleButton.classList.remove('toggled');
       },
       toggle: function SecondaryToolbar_toggle() {
        if (this.opened) {
         this.close();
        } else {
         this.open();
        }
       },
       _setMaxHeight: function SecondaryToolbar_setMaxHeight() {
        if (!this.opened) {
         return;
        }
        this.containerHeight = this.mainContainer.clientHeight;
        if (this.containerHeight === this.previousContainerHeight) {
         return;
        }
        this.toolbarButtonContainer.setAttribute('style', 'max-height: ' + (this.containerHeight - SCROLLBAR_PADDING) + 'px;');
        this.previousContainerHeight = this.containerHeight;
       }
      };
      return SecondaryToolbar;
     }();
     exports.SecondaryToolbar = SecondaryToolbar;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebToolbar = {}, root.pdfjsWebUIUtils);
    }(this, function (exports, uiUtils) {
     var mozL10n = uiUtils.mozL10n;
     var noContextMenuHandler = uiUtils.noContextMenuHandler;
     var animationStarted = uiUtils.animationStarted;
     var localized = uiUtils.localized;
     var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE;
     var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
     var MIN_SCALE = uiUtils.MIN_SCALE;
     var MAX_SCALE = uiUtils.MAX_SCALE;
     var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
     var SCALE_SELECT_CONTAINER_PADDING = 8;
     var SCALE_SELECT_PADDING = 22;
     var Toolbar = function ToolbarClosure() {
      function Toolbar(options, mainContainer, eventBus) {
       this.toolbar = options.container;
       this.mainContainer = mainContainer;
       this.eventBus = eventBus;
       this.items = options;
       this._wasLocalized = false;
       this.reset();
       this._bindListeners();
      }
      Toolbar.prototype = {
       setPageNumber: function (pageNumber, pageLabel) {
        this.pageNumber = pageNumber;
        this.pageLabel = pageLabel;
        this._updateUIState(false);
       },
       setPagesCount: function (pagesCount, hasPageLabels) {
        this.pagesCount = pagesCount;
        this.hasPageLabels = hasPageLabels;
        this._updateUIState(true);
       },
       setPageScale: function (pageScaleValue, pageScale) {
        this.pageScaleValue = pageScaleValue;
        this.pageScale = pageScale;
        this._updateUIState(false);
       },
       reset: function () {
        this.pageNumber = 0;
        this.pageLabel = null;
        this.hasPageLabels = false;
        this.pagesCount = 0;
        this.pageScaleValue = DEFAULT_SCALE_VALUE;
        this.pageScale = DEFAULT_SCALE;
        this._updateUIState(true);
       },
       _bindListeners: function Toolbar_bindClickListeners() {
        var eventBus = this.eventBus;
        var self = this;
        var items = this.items;
        items.previous.addEventListener('click', function () {
         eventBus.dispatch('previouspage');
        });
        items.next.addEventListener('click', function () {
         eventBus.dispatch('nextpage');
        });
        items.zoomIn.addEventListener('click', function () {
         eventBus.dispatch('zoomin');
        });
        items.zoomOut.addEventListener('click', function () {
         eventBus.dispatch('zoomout');
        });
        items.pageNumber.addEventListener('click', function () {
         this.select();
        });
        items.pageNumber.addEventListener('change', function () {
         eventBus.dispatch('pagenumberchanged', {
          source: self,
          value: this.value
         });
        });
        items.scaleSelect.addEventListener('change', function () {
         if (this.value === 'custom') {
          return;
         }
         eventBus.dispatch('scalechanged', {
          source: self,
          value: this.value
         });
        });
        items.presentationModeButton.addEventListener('click', function (e) {
         eventBus.dispatch('presentationmode');
        });
        items.openFile.addEventListener('click', function (e) {
         eventBus.dispatch('openfile');
        });
        items.print.addEventListener('click', function (e) {
         eventBus.dispatch('print');
        });
        items.download.addEventListener('click', function (e) {
         eventBus.dispatch('download');
        });
        items.scaleSelect.oncontextmenu = noContextMenuHandler;
        localized.then(this._localized.bind(this));
       },
       _localized: function Toolbar_localized() {
        this._wasLocalized = true;
        this._adjustScaleWidth();
        this._updateUIState(true);
       },
       _updateUIState: function Toolbar_updateUIState(resetNumPages) {
        function selectScaleOption(value, scale) {
         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 !== value) {
           option.selected = false;
           continue;
          }
          option.selected = true;
          predefinedValueFound = true;
         }
         if (!predefinedValueFound) {
          var customScale = Math.round(scale * 10000) / 100;
          items.customScaleOption.textContent = mozL10n.get('page_scale_percent', { scale: customScale }, '{{scale}}%');
          items.customScaleOption.selected = true;
         }
        }
        if (!this._wasLocalized) {
         return;
        }
        var pageNumber = this.pageNumber;
        var scaleValue = (this.pageScaleValue || this.pageScale).toString();
        var scale = this.pageScale;
        var items = this.items;
        var pagesCount = this.pagesCount;
        if (resetNumPages) {
         if (this.hasPageLabels) {
          items.pageNumber.type = 'text';
         } else {
          items.pageNumber.type = 'number';
          items.numPages.textContent = mozL10n.get('of_pages', { pagesCount: pagesCount }, 'of {{pagesCount}}');
         }
         items.pageNumber.max = pagesCount;
        }
        if (this.hasPageLabels) {
         items.pageNumber.value = this.pageLabel;
         items.numPages.textContent = mozL10n.get('page_of_pages', {
          pageNumber: pageNumber,
          pagesCount: pagesCount
         }, '({{pageNumber}} of {{pagesCount}})');
        } else {
         items.pageNumber.value = pageNumber;
        }
        items.previous.disabled = pageNumber <= 1;
        items.next.disabled = pageNumber >= pagesCount;
        items.zoomOut.disabled = scale <= MIN_SCALE;
        items.zoomIn.disabled = scale >= MAX_SCALE;
        selectScaleOption(scaleValue, scale);
       },
       updateLoadingIndicatorState: function Toolbar_updateLoadingIndicatorState(loading) {
        var pageNumberInput = this.items.pageNumber;
        if (loading) {
         pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
        } else {
         pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
        }
       },
       _adjustScaleWidth: function Toolbar_adjustScaleWidth() {
        var container = this.items.scaleSelectContainer;
        var select = this.items.scaleSelect;
        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;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFFindBar = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFFindController);
    }(this, function (exports, uiUtils, pdfFindController) {
     var mozL10n = uiUtils.mozL10n;
     var FindStates = pdfFindController.FindStates;
     var PDFFindBar = function PDFFindBarClosure() {
      function PDFFindBar(options) {
       this.opened = false;
       this.bar = options.bar || null;
       this.toggleButton = options.toggleButton || null;
       this.findField = options.findField || null;
       this.highlightAll = options.highlightAllCheckbox || null;
       this.caseSensitive = options.caseSensitiveCheckbox || null;
       this.findMsg = options.findMsg || null;
       this.findResultsCount = options.findResultsCount || null;
       this.findStatusIcon = options.findStatusIcon || null;
       this.findPreviousButton = options.findPreviousButton || null;
       this.findNextButton = options.findNextButton || null;
       this.findController = options.findController || null;
       this.eventBus = options.eventBus;
       if (this.findController === null) {
        throw new Error('PDFFindBar cannot be used without a ' + 'PDFFindController instance.');
       }
       var self = this;
       this.toggleButton.addEventListener('click', function () {
        self.toggle();
       });
       this.findField.addEventListener('input', function () {
        self.dispatchEvent('');
       });
       this.bar.addEventListener('keydown', function (evt) {
        switch (evt.keyCode) {
        case 13:
         if (evt.target === self.findField) {
          self.dispatchEvent('again', evt.shiftKey);
         }
         break;
        case 27:
         self.close();
         break;
        }
       });
       this.findPreviousButton.addEventListener('click', function () {
        self.dispatchEvent('again', true);
       });
       this.findNextButton.addEventListener('click', function () {
        self.dispatchEvent('again', false);
       });
       this.highlightAll.addEventListener('click', function () {
        self.dispatchEvent('highlightallchange');
       });
       this.caseSensitive.addEventListener('click', function () {
        self.dispatchEvent('casesensitivitychange');
       });
      }
      PDFFindBar.prototype = {
       reset: function PDFFindBar_reset() {
        this.updateUIState();
       },
       dispatchEvent: function PDFFindBar_dispatchEvent(type, findPrev) {
        this.eventBus.dispatch('find', {
         source: this,
         type: type,
         query: this.findField.value,
         caseSensitive: this.caseSensitive.checked,
         phraseSearch: true,
         highlightAll: this.highlightAll.checked,
         findPrevious: findPrev
        });
       },
       updateUIState: function PDFFindBar_updateUIState(state, previous, matchCount) {
        var notFound = false;
        var findMsg = '';
        var status = '';
        switch (state) {
        case FindStates.FIND_FOUND:
         break;
        case FindStates.FIND_PENDING:
         status = 'pending';
         break;
        case FindStates.FIND_NOTFOUND:
         findMsg = mozL10n.get('find_not_found', null, 'Phrase not found');
         notFound = true;
         break;
        case FindStates.FIND_WRAPPED:
         if (previous) {
          findMsg = mozL10n.get('find_reached_top', null, 'Reached top of document, continued from bottom');
         } else {
          findMsg = mozL10n.get('find_reached_bottom', null, 'Reached end of document, continued from top');
         }
         break;
        }
        if (notFound) {
         this.findField.classList.add('notFound');
        } else {
         this.findField.classList.remove('notFound');
        }
        this.findField.setAttribute('data-status', status);
        this.findMsg.textContent = findMsg;
        this.updateResultsCount(matchCount);
       },
       updateResultsCount: function (matchCount) {
        if (!this.findResultsCount) {
         return;
        }
        if (!matchCount) {
         this.findResultsCount.classList.add('hidden');
         return;
        }
        this.findResultsCount.textContent = matchCount.toLocaleString();
        this.findResultsCount.classList.remove('hidden');
       },
       open: function PDFFindBar_open() {
        if (!this.opened) {
         this.opened = true;
         this.toggleButton.classList.add('toggled');
         this.bar.classList.remove('hidden');
        }
        this.findField.select();
        this.findField.focus();
       },
       close: function PDFFindBar_close() {
        if (!this.opened) {
         return;
        }
        this.opened = false;
        this.toggleButton.classList.remove('toggled');
        this.bar.classList.add('hidden');
        this.findController.active = false;
       },
       toggle: function PDFFindBar_toggle() {
        if (this.opened) {
         this.close();
        } else {
         this.open();
        }
       }
      };
      return PDFFindBar;
     }();
     exports.PDFFindBar = PDFFindBar;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFHistory = {}, root.pdfjsWebDOMEvents);
    }(this, function (exports, domEvents) {
     function PDFHistory(options) {
      this.linkService = options.linkService;
      this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
      this.initialized = false;
      this.initialDestination = null;
      this.initialBookmark = null;
     }
     PDFHistory.prototype = {
      initialize: function pdfHistoryInitialize(fingerprint) {
       this.initialized = true;
       this.reInitialized = false;
       this.allowHashChange = true;
       this.historyUnlocked = true;
       this.isViewerInPresentationMode = false;
       this.previousHash = window.location.hash.substring(1);
       this.currentBookmark = '';
       this.currentPage = 0;
       this.updatePreviousBookmark = false;
       this.previousBookmark = '';
       this.previousPage = 0;
       this.nextHashParam = '';
       this.fingerprint = fingerprint;
       this.currentUid = this.uid = 0;
       this.current = {};
       var state = window.history.state;
       if (this._isStateObjectDefined(state)) {
        if (state.target.dest) {
         this.initialDestination = state.target.dest;
        } else {
         this.initialBookmark = state.target.hash;
        }
        this.currentUid = state.uid;
        this.uid = state.uid + 1;
        this.current = state.target;
       } else {
        if (state && state.fingerprint && this.fingerprint !== state.fingerprint) {
         this.reInitialized = true;
        }
        this._pushOrReplaceState({ fingerprint: this.fingerprint }, true);
       }
       var self = this;
       window.addEventListener('popstate', function pdfHistoryPopstate(evt) {
        if (!self.historyUnlocked) {
         return;
        }
        if (evt.state) {
         self._goTo(evt.state);
         return;
        }
        if (self.uid === 0) {
         var previousParams = self.previousHash && self.currentBookmark && self.previousHash !== self.currentBookmark ? {
          hash: self.currentBookmark,
          page: self.currentPage
         } : { page: 1 };
         replacePreviousHistoryState(previousParams, function () {
          updateHistoryWithCurrentHash();
         });
        } else {
         updateHistoryWithCurrentHash();
        }
       });
       function updateHistoryWithCurrentHash() {
        self.previousHash = window.location.hash.slice(1);
        self._pushToHistory({ hash: self.previousHash }, false, true);
        self._updatePreviousBookmark();
       }
       function replacePreviousHistoryState(params, callback) {
        self.historyUnlocked = false;
        self.allowHashChange = false;
        window.addEventListener('popstate', rewriteHistoryAfterBack);
        history.back();
        function rewriteHistoryAfterBack() {
         window.removeEventListener('popstate', rewriteHistoryAfterBack);
         window.addEventListener('popstate', rewriteHistoryAfterForward);
         self._pushToHistory(params, false, true);
         history.forward();
        }
        function rewriteHistoryAfterForward() {
         window.removeEventListener('popstate', rewriteHistoryAfterForward);
         self.allowHashChange = true;
         self.historyUnlocked = true;
         callback();
        }
       }
       function pdfHistoryBeforeUnload() {
        var previousParams = self._getPreviousParams(null, true);
        if (previousParams) {
         var replacePrevious = !self.current.dest && self.current.hash !== self.previousHash;
         self._pushToHistory(previousParams, false, replacePrevious);
         self._updatePreviousBookmark();
        }
        window.removeEventListener('beforeunload', pdfHistoryBeforeUnload);
       }
       window.addEventListener('beforeunload', pdfHistoryBeforeUnload);
       window.addEventListener('pageshow', function pdfHistoryPageShow(evt) {
        window.addEventListener('beforeunload', pdfHistoryBeforeUnload);
       });
       self.eventBus.on('presentationmodechanged', function (e) {
        self.isViewerInPresentationMode = e.active;
       });
      },
      clearHistoryState: function pdfHistory_clearHistoryState() {
       this._pushOrReplaceState(null, true);
      },
      _isStateObjectDefined: function pdfHistory_isStateObjectDefined(state) {
       return state && state.uid >= 0 && state.fingerprint && this.fingerprint === state.fingerprint && state.target && state.target.hash ? true : false;
      },
      _pushOrReplaceState: function pdfHistory_pushOrReplaceState(stateObj, replace) {
       if (replace) {
        window.history.replaceState(stateObj, '', document.URL);
       } else {
        window.history.pushState(stateObj, '', document.URL);
       }
      },
      get isHashChangeUnlocked() {
       if (!this.initialized) {
        return true;
       }
       return this.allowHashChange;
      },
      _updatePreviousBookmark: function pdfHistory_updatePreviousBookmark() {
       if (this.updatePreviousBookmark && this.currentBookmark && this.currentPage) {
        this.previousBookmark = this.currentBookmark;
        this.previousPage = this.currentPage;
        this.updatePreviousBookmark = false;
       }
      },
      updateCurrentBookmark: function pdfHistoryUpdateCurrentBookmark(bookmark, pageNum) {
       if (this.initialized) {
        this.currentBookmark = bookmark.substring(1);
        this.currentPage = pageNum | 0;
        this._updatePreviousBookmark();
       }
      },
      updateNextHashParam: function pdfHistoryUpdateNextHashParam(param) {
       if (this.initialized) {
        this.nextHashParam = param;
       }
      },
      push: function pdfHistoryPush(params, isInitialBookmark) {
       if (!(this.initialized && this.historyUnlocked)) {
        return;
       }
       if (params.dest && !params.hash) {
        params.hash = this.current.hash && this.current.dest && this.current.dest === params.dest ? this.current.hash : this.linkService.getDestinationHash(params.dest).split('#')[1];
       }
       if (params.page) {
        params.page |= 0;
       }
       if (isInitialBookmark) {
        var target = window.history.state.target;
        if (!target) {
         this._pushToHistory(params, false);
         this.previousHash = window.location.hash.substring(1);
        }
        this.updatePreviousBookmark = this.nextHashParam ? false : true;
        if (target) {
         this._updatePreviousBookmark();
        }
        return;
       }
       if (this.nextHashParam) {
        if (this.nextHashParam === params.hash) {
         this.nextHashParam = null;
         this.updatePreviousBookmark = true;
         return;
        }
        this.nextHashParam = null;
       }
       if (params.hash) {
        if (this.current.hash) {
         if (this.current.hash !== params.hash) {
          this._pushToHistory(params, true);
         } else {
          if (!this.current.page && params.page) {
           this._pushToHistory(params, false, true);
          }
          this.updatePreviousBookmark = true;
         }
        } else {
         this._pushToHistory(params, true);
        }
       } else if (this.current.page && params.page && this.current.page !== params.page) {
        this._pushToHistory(params, true);
       }
      },
      _getPreviousParams: function pdfHistory_getPreviousParams(onlyCheckPage, beforeUnload) {
       if (!(this.currentBookmark && this.currentPage)) {
        return null;
       } else if (this.updatePreviousBookmark) {
        this.updatePreviousBookmark = false;
       }
       if (this.uid > 0 && !(this.previousBookmark && this.previousPage)) {
        return null;
       }
       if (!this.current.dest && !onlyCheckPage || beforeUnload) {
        if (this.previousBookmark === this.currentBookmark) {
         return null;
        }
       } else if (this.current.page || onlyCheckPage) {
        if (this.previousPage === this.currentPage) {
         return null;
        }
       } else {
        return null;
       }
       var params = {
        hash: this.currentBookmark,
        page: this.currentPage
       };
       if (this.isViewerInPresentationMode) {
        params.hash = null;
       }
       return params;
      },
      _stateObj: function pdfHistory_stateObj(params) {
       return {
        fingerprint: this.fingerprint,
        uid: this.uid,
        target: params
       };
      },
      _pushToHistory: function pdfHistory_pushToHistory(params, addPrevious, overwrite) {
       if (!this.initialized) {
        return;
       }
       if (!params.hash && params.page) {
        params.hash = 'page=' + params.page;
       }
       if (addPrevious && !overwrite) {
        var previousParams = this._getPreviousParams();
        if (previousParams) {
         var replacePrevious = !this.current.dest && this.current.hash !== this.previousHash;
         this._pushToHistory(previousParams, false, replacePrevious);
        }
       }
       this._pushOrReplaceState(this._stateObj(params), overwrite || this.uid === 0);
       this.currentUid = this.uid++;
       this.current = params;
       this.updatePreviousBookmark = true;
      },
      _goTo: function pdfHistory_goTo(state) {
       if (!(this.initialized && this.historyUnlocked && this._isStateObjectDefined(state))) {
        return;
       }
       if (!this.reInitialized && state.uid < this.currentUid) {
        var previousParams = this._getPreviousParams(true);
        if (previousParams) {
         this._pushToHistory(this.current, false);
         this._pushToHistory(previousParams, false);
         this.currentUid = state.uid;
         window.history.back();
         return;
        }
       }
       this.historyUnlocked = false;
       if (state.target.dest) {
        this.linkService.navigateTo(state.target.dest);
       } else {
        this.linkService.setHash(state.target.hash);
       }
       this.currentUid = state.uid;
       if (state.uid > this.uid) {
        this.uid = state.uid;
       }
       this.current = state.target;
       this.updatePreviousBookmark = true;
       var currentHash = window.location.hash.substring(1);
       if (this.previousHash !== currentHash) {
        this.allowHashChange = false;
       }
       this.previousHash = currentHash;
       this.historyUnlocked = true;
      },
      back: function pdfHistoryBack() {
       this.go(-1);
      },
      forward: function pdfHistoryForward() {
       this.go(1);
      },
      go: function pdfHistoryGo(direction) {
       if (this.initialized && this.historyUnlocked) {
        var state = window.history.state;
        if (direction === -1 && state && state.uid > 0) {
         window.history.back();
        } else if (direction === 1 && state && state.uid < this.uid - 1) {
         window.history.forward();
        }
       }
      }
     };
     exports.PDFHistory = PDFHistory;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFLinkService = {}, root.pdfjsWebUIUtils, root.pdfjsWebDOMEvents);
    }(this, function (exports, uiUtils, domEvents) {
     var parseQueryString = uiUtils.parseQueryString;
     var PageNumberRegExp = /^\d+$/;
     function isPageNumber(str) {
      return PageNumberRegExp.test(str);
     }
     var PDFLinkService = function PDFLinkServiceClosure() {
      function PDFLinkService(options) {
       options = options || {};
       this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
       this.baseUrl = null;
       this.pdfDocument = null;
       this.pdfViewer = null;
       this.pdfHistory = null;
       this._pagesRefCache = null;
      }
      PDFLinkService.prototype = {
       setDocument: function PDFLinkService_setDocument(pdfDocument, baseUrl) {
        this.baseUrl = baseUrl;
        this.pdfDocument = pdfDocument;
        this._pagesRefCache = Object.create(null);
       },
       setViewer: function PDFLinkService_setViewer(pdfViewer) {
        this.pdfViewer = pdfViewer;
       },
       setHistory: function PDFLinkService_setHistory(pdfHistory) {
        this.pdfHistory = pdfHistory;
       },
       get pagesCount() {
        return this.pdfDocument ? this.pdfDocument.numPages : 0;
       },
       get page() {
        return this.pdfViewer.currentPageNumber;
       },
       set page(value) {
        this.pdfViewer.currentPageNumber = value;
       },
       navigateTo: function PDFLinkService_navigateTo(dest) {
        var destString = '';
        var self = this;
        var goToDestination = function (destRef) {
         var pageNumber;
         if (destRef instanceof Object) {
          pageNumber = self._cachedPageNumber(destRef);
         } else if ((destRef | 0) === destRef) {
          pageNumber = destRef + 1;
         } else {
          console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid destination reference.');
          return;
         }
         if (pageNumber) {
          if (pageNumber < 1 || pageNumber > self.pagesCount) {
           console.error('PDFLinkService_navigateTo: "' + pageNumber + '" is a non-existent page number.');
           return;
          }
          self.pdfViewer.scrollPageIntoView({
           pageNumber: pageNumber,
           destArray: dest
          });
          if (self.pdfHistory) {
           self.pdfHistory.push({
            dest: dest,
            hash: destString,
            page: pageNumber
           });
          }
         } else {
          self.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
           self.cachePageRef(pageIndex + 1, destRef);
           goToDestination(destRef);
          }).catch(function () {
           console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid page reference.');
          });
         }
        };
        var destinationPromise;
        if (typeof dest === 'string') {
         destString = dest;
         destinationPromise = this.pdfDocument.getDestination(dest);
        } else {
         destinationPromise = Promise.resolve(dest);
        }
        destinationPromise.then(function (destination) {
         dest = destination;
         if (!(destination instanceof Array)) {
          console.error('PDFLinkService_navigateTo: "' + destination + '" is not a valid destination array.');
          return;
         }
         goToDestination(destination[0]);
        });
       },
       getDestinationHash: function PDFLinkService_getDestinationHash(dest) {
        if (typeof dest === 'string') {
         return this.getAnchorUrl('#' + (isPageNumber(dest) ? 'nameddest=' : '') + escape(dest));
        }
        if (dest instanceof Array) {
         var str = JSON.stringify(dest);
         return this.getAnchorUrl('#' + escape(str));
        }
        return this.getAnchorUrl('');
       },
       getAnchorUrl: function PDFLinkService_getAnchorUrl(anchor) {
        return (this.baseUrl || '') + anchor;
       },
       setHash: function PDFLinkService_setHash(hash) {
        var pageNumber, dest;
        if (hash.indexOf('=') >= 0) {
         var params = 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) {
          if (this.pdfHistory) {
           this.pdfHistory.updateNextHashParam(params.nameddest);
          }
          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.indexOf('Fit') === -1) {
           dest = [
            null,
            { name: 'XYZ' },
            zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,
            zoomArgs.length > 2 ? zoomArgs[2] | 0 : null,
            zoomArgNumber ? zoomArgNumber / 100 : zoomArg
           ];
          } else {
           if (zoomArg === 'Fit' || zoomArg === 'FitB') {
            dest = [
             null,
             { name: zoomArg }
            ];
           } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || (zoomArg === 'FitV' || zoomArg === 'FitBV')) {
            dest = [
             null,
             { name: zoomArg },
             zoomArgs.length > 1 ? zoomArgs[1] | 0 : null
            ];
           } else if (zoomArg === 'FitR') {
            if (zoomArgs.length !== 5) {
             console.error('PDFLinkService_setHash: ' + 'Not enough parameters for \'FitR\'.');
            } else {
             dest = [
              null,
              { name: zoomArg },
              zoomArgs[1] | 0,
              zoomArgs[2] | 0,
              zoomArgs[3] | 0,
              zoomArgs[4] | 0
             ];
            }
           } else {
            console.error('PDFLinkService_setHash: \'' + zoomArg + '\' is not a valid zoom value.');
           }
          }
         }
         if (dest) {
          this.pdfViewer.scrollPageIntoView({
           pageNumber: pageNumber || this.page,
           destArray: dest,
           allowNegativeOffset: true
          });
         } else if (pageNumber) {
          this.page = pageNumber;
         }
         if ('pagemode' in params) {
          this.eventBus.dispatch('pagemode', {
           source: this,
           mode: params.pagemode
          });
         }
        } else {
         if (isPageNumber(hash) && hash <= this.pagesCount) {
          console.warn('PDFLinkService_setHash: specifying a page number ' + 'directly after the hash symbol (#) is deprecated, ' + 'please use the "#page=' + hash + '" form instead.');
          this.page = hash | 0;
         }
         dest = unescape(hash);
         try {
          dest = JSON.parse(dest);
          if (!(dest instanceof Array)) {
           dest = dest.toString();
          }
         } catch (ex) {
         }
         if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
          if (this.pdfHistory) {
           this.pdfHistory.updateNextHashParam(dest);
          }
          this.navigateTo(dest);
          return;
         }
         console.error('PDFLinkService_setHash: \'' + unescape(hash) + '\' is not a valid destination.');
        }
       },
       executeNamedAction: function PDFLinkService_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
        });
       },
       cachePageRef: function PDFLinkService_cachePageRef(pageNum, pageRef) {
        var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
        this._pagesRefCache[refStr] = pageNum;
       },
       _cachedPageNumber: function PDFLinkService_cachedPageNumber(pageRef) {
        var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
        return this._pagesRefCache && this._pagesRefCache[refStr] || null;
       }
      };
      function isValidExplicitDestination(dest) {
       if (!(dest instanceof Array)) {
        return false;
       }
       var destLength = dest.length, allowNull = true;
       if (destLength < 2) {
        return false;
       }
       var page = dest[0];
       if (!(typeof page === 'object' && typeof page.num === 'number' && (page.num | 0) === page.num && typeof page.gen === 'number' && (page.gen | 0) === page.gen) && !(typeof page === 'number' && (page | 0) === 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;
      }
      return PDFLinkService;
     }();
     var SimpleLinkService = function SimpleLinkServiceClosure() {
      function SimpleLinkService() {
      }
      SimpleLinkService.prototype = {
       get page() {
        return 0;
       },
       set page(value) {
       },
       navigateTo: function (dest) {
       },
       getDestinationHash: function (dest) {
        return '#';
       },
       getAnchorUrl: function (hash) {
        return '#';
       },
       setHash: function (hash) {
       },
       executeNamedAction: function (action) {
       },
       cachePageRef: function (pageNum, pageRef) {
       }
      };
      return SimpleLinkService;
     }();
     exports.PDFLinkService = PDFLinkService;
     exports.SimpleLinkService = SimpleLinkService;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFPageView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
    }(this, function (exports, uiUtils, pdfRenderingQueue, domEvents, pdfjsLib) {
     var CSS_UNITS = uiUtils.CSS_UNITS;
     var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
     var getOutputScale = uiUtils.getOutputScale;
     var approximateFraction = uiUtils.approximateFraction;
     var roundToDivide = uiUtils.roundToDivide;
     var RendererType = uiUtils.RendererType;
     var RenderingStates = pdfRenderingQueue.RenderingStates;
     var TEXT_LAYER_RENDER_DELAY = 200;
     var PDFPageView = function PDFPageViewClosure() {
      function PDFPageView(options) {
       var container = options.container;
       var id = options.id;
       var scale = options.scale;
       var defaultViewport = options.defaultViewport;
       var renderingQueue = options.renderingQueue;
       var textLayerFactory = options.textLayerFactory;
       var annotationLayerFactory = options.annotationLayerFactory;
       var enhanceTextSelection = options.enhanceTextSelection || false;
       var renderInteractiveForms = options.renderInteractiveForms || false;
       this.id = id;
       this.renderingId = 'page' + id;
       this.pageLabel = null;
       this.rotation = 0;
       this.scale = scale || DEFAULT_SCALE;
       this.viewport = defaultViewport;
       this.pdfPageRotate = defaultViewport.rotation;
       this.hasRestrictedScaling = false;
       this.enhanceTextSelection = enhanceTextSelection;
       this.renderInteractiveForms = renderInteractiveForms;
       this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
       this.renderingQueue = renderingQueue;
       this.textLayerFactory = textLayerFactory;
       this.annotationLayerFactory = annotationLayerFactory;
       this.renderer = options.renderer || RendererType.CANVAS;
       this.paintTask = null;
       this.paintedViewportMap = new WeakMap();
       this.renderingState = RenderingStates.INITIAL;
       this.resume = null;
       this.error = null;
       this.onBeforeDraw = null;
       this.onAfterDraw = null;
       this.textLayer = null;
       this.zoomLayer = null;
       this.annotationLayer = 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);
      }
      PDFPageView.prototype = {
       setPdfPage: function PDFPageView_setPdfPage(pdfPage) {
        this.pdfPage = pdfPage;
        this.pdfPageRotate = pdfPage.rotate;
        var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
        this.viewport = pdfPage.getViewport(this.scale * CSS_UNITS, totalRotation);
        this.stats = pdfPage.stats;
        this.reset();
       },
       destroy: function PDFPageView_destroy() {
        this.zoomLayer = null;
        this.reset();
        if (this.pdfPage) {
         this.pdfPage.cleanup();
        }
       },
       reset: function PDFPageView_reset(keepZoomLayer, keepAnnotations) {
        this.cancelRendering();
        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 {
         this.annotationLayer = null;
        }
        if (this.canvas && !currentZoomLayerNode) {
         this.paintedViewportMap.delete(this.canvas);
         this.canvas.width = 0;
         this.canvas.height = 0;
         delete this.canvas;
        }
        if (this.svg) {
         this.paintedViewportMap.delete(this.svg);
         delete this.svg;
        }
        this.loadingIconDiv = document.createElement('div');
        this.loadingIconDiv.className = 'loadingIcon';
        div.appendChild(this.loadingIconDiv);
       },
       update: function PDFPageView_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 * 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 && pdfjsLib.PDFJS.maxCanvasPixels > 0) {
         var outputScale = this.outputScale;
         if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > pdfjsLib.PDFJS.maxCanvasPixels) {
          isScalingRestricted = true;
         }
        }
        if (this.canvas) {
         if (pdfjsLib.PDFJS.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.zoomLayer = this.canvas.parentNode;
          this.zoomLayer.style.position = 'absolute';
         }
        }
        if (this.zoomLayer) {
         this.cssTransform(this.zoomLayer.firstChild);
        }
        this.reset(true, true);
       },
       cancelRendering: function PDFPageView_cancelRendering() {
        if (this.paintTask) {
         this.paintTask.cancel();
         this.paintTask = null;
        }
        this.renderingState = RenderingStates.INITIAL;
        this.resume = null;
        if (this.textLayer) {
         this.textLayer.cancel();
         this.textLayer = null;
        }
       },
       updatePosition: function PDFPageView_updatePosition() {
        if (this.textLayer) {
         this.textLayer.render(TEXT_LAYER_RENDER_DELAY);
        }
       },
       cssTransform: function PDFPageView_transform(target, redrawAnnotations) {
        var CustomStyle = pdfjsLib.CustomStyle;
        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 + ')';
        CustomStyle.setProp('transform', target, 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;
         }
         CustomStyle.setProp('transform', textLayerDiv, 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')');
         CustomStyle.setProp('transformOrigin', textLayerDiv, '0% 0%');
        }
        if (redrawAnnotations && this.annotationLayer) {
         this.annotationLayer.render(this.viewport, 'display');
        }
       },
       get width() {
        return this.viewport.width;
       },
       get height() {
        return this.viewport.height;
       },
       getPagePoint: function PDFPageView_getPagePoint(x, y) {
        return this.viewport.convertToPdfPoint(x, y);
       },
       draw: function PDFPageView_draw() {
        if (this.renderingState !== RenderingStates.INITIAL) {
         console.error('Must be in new state before drawing');
         this.reset();
        }
        this.renderingState = RenderingStates.RUNNING;
        var self = this;
        var pdfPage = this.pdfPage;
        var viewport = this.viewport;
        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 textLayerDiv = null;
        var textLayer = null;
        if (this.textLayerFactory) {
         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.enhanceTextSelection);
        }
        this.textLayer = textLayer;
        var renderContinueCallback = null;
        if (this.renderingQueue) {
         renderContinueCallback = function renderContinueCallback(cont) {
          if (!self.renderingQueue.isHighestPriority(self)) {
           self.renderingState = RenderingStates.PAUSED;
           self.resume = function resumeCallback() {
            self.renderingState = RenderingStates.RUNNING;
            cont();
           };
           return;
          }
          cont();
         };
        }
        var finishPaintTask = function finishPaintTask(error) {
         if (paintTask === self.paintTask) {
          self.paintTask = null;
         }
         if (error === 'cancelled') {
          self.error = null;
          return Promise.resolve(undefined);
         }
         self.renderingState = RenderingStates.FINISHED;
         if (self.loadingIconDiv) {
          div.removeChild(self.loadingIconDiv);
          delete self.loadingIconDiv;
         }
         if (self.zoomLayer) {
          var zoomLayerCanvas = self.zoomLayer.firstChild;
          self.paintedViewportMap.delete(zoomLayerCanvas);
          zoomLayerCanvas.width = 0;
          zoomLayerCanvas.height = 0;
          if (div.contains(self.zoomLayer)) {
           div.removeChild(self.zoomLayer);
          }
          self.zoomLayer = null;
         }
         self.error = error;
         self.stats = pdfPage.stats;
         if (self.onAfterDraw) {
          self.onAfterDraw();
         }
         self.eventBus.dispatch('pagerendered', {
          source: self,
          pageNumber: self.id,
          cssTransform: false
         });
         if (error) {
          return Promise.reject(error);
         }
         return Promise.resolve(undefined);
        };
        var paintTask = this.renderer === 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) {
           pdfPage.getTextContent({ normalizeWhitespace: true }).then(function textContentResolved(textContent) {
            textLayer.setTextContent(textContent);
            textLayer.render(TEXT_LAYER_RENDER_DELAY);
           });
          }
         });
        }, function (reason) {
         return finishPaintTask(reason);
        });
        if (this.annotationLayerFactory) {
         if (!this.annotationLayer) {
          this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.renderInteractiveForms);
         }
         this.annotationLayer.render(this.viewport, 'display');
        }
        div.setAttribute('data-loaded', true);
        if (this.onBeforeDraw) {
         this.onBeforeDraw();
        }
        return resultPromise;
       },
       paintOnCanvas: function (canvasWrapper) {
        var resolveRenderPromise, rejectRenderPromise;
        var promise = new Promise(function (resolve, reject) {
         resolveRenderPromise = resolve;
         rejectRenderPromise = reject;
        });
        var result = {
         promise: promise,
         onRenderContinue: function (cont) {
          cont();
         },
         cancel: function () {
          renderTask.cancel();
         }
        };
        var self = this;
        var pdfPage = this.pdfPage;
        var viewport = this.viewport;
        var canvas = document.createElement('canvas');
        canvas.id = 'page' + this.id;
        canvas.setAttribute('hidden', 'hidden');
        var isCanvasHidden = true;
        var showCanvas = function () {
         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 = getOutputScale(ctx);
        this.outputScale = outputScale;
        if (pdfjsLib.PDFJS.useOnlyCssZoom) {
         var actualSizeViewport = viewport.clone({ scale: CSS_UNITS });
         outputScale.sx *= actualSizeViewport.width / viewport.width;
         outputScale.sy *= actualSizeViewport.height / viewport.height;
         outputScale.scaled = true;
        }
        if (pdfjsLib.PDFJS.maxCanvasPixels > 0) {
         var pixelsInViewport = viewport.width * viewport.height;
         var maxScale = Math.sqrt(pdfjsLib.PDFJS.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 = approximateFraction(outputScale.sx);
        var sfy = approximateFraction(outputScale.sy);
        canvas.width = roundToDivide(viewport.width * outputScale.sx, sfx[0]);
        canvas.height = roundToDivide(viewport.height * outputScale.sy, sfy[0]);
        canvas.style.width = roundToDivide(viewport.width, sfx[1]) + 'px';
        canvas.style.height = 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,
         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 pdfPageRenderCallback() {
         showCanvas();
         resolveRenderPromise(undefined);
        }, function pdfPageRenderError(error) {
         showCanvas();
         rejectRenderPromise(error);
        });
        return result;
       },
       paintOnSvg: function PDFPageView_paintOnSvg(wrapper) {
        var cancelled = false;
        var ensureNotCancelled = function () {
         if (cancelled) {
          throw 'cancelled';
         }
        };
        var self = this;
        var pdfPage = this.pdfPage;
        var SVGGraphics = pdfjsLib.SVGGraphics;
        var actualSizeViewport = this.viewport.clone({ scale: CSS_UNITS });
        var promise = pdfPage.getOperatorList().then(function (opList) {
         ensureNotCancelled();
         var svgGfx = new SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
         return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
          ensureNotCancelled();
          self.svg = svg;
          self.paintedViewportMap.set(svg, actualSizeViewport);
          svg.style.width = wrapper.style.width;
          svg.style.height = wrapper.style.height;
          self.renderingState = RenderingStates.FINISHED;
          wrapper.appendChild(svg);
         });
        });
        return {
         promise: promise,
         onRenderContinue: function (cont) {
          cont();
         },
         cancel: function () {
          cancelled = true;
         }
        };
       },
       setPageLabel: function PDFView_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');
        }
       }
      };
      return PDFPageView;
     }();
     exports.PDFPageView = PDFPageView;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFThumbnailViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFThumbnailView);
    }(this, function (exports, uiUtils, pdfThumbnailView) {
     var watchScroll = uiUtils.watchScroll;
     var getVisibleElements = uiUtils.getVisibleElements;
     var scrollIntoView = uiUtils.scrollIntoView;
     var PDFThumbnailView = pdfThumbnailView.PDFThumbnailView;
     var THUMBNAIL_SCROLL_MARGIN = -19;
     var PDFThumbnailViewer = function PDFThumbnailViewerClosure() {
      function PDFThumbnailViewer(options) {
       this.container = options.container;
       this.renderingQueue = options.renderingQueue;
       this.linkService = options.linkService;
       this.scroll = watchScroll(this.container, this._scrollUpdated.bind(this));
       this._resetView();
      }
      PDFThumbnailViewer.prototype = {
       _scrollUpdated: function PDFThumbnailViewer_scrollUpdated() {
        this.renderingQueue.renderHighestPriority();
       },
       getThumbnail: function PDFThumbnailViewer_getThumbnail(index) {
        return this.thumbnails[index];
       },
       _getVisibleThumbs: function PDFThumbnailViewer_getVisibleThumbs() {
        return getVisibleElements(this.container, this.thumbnails);
       },
       scrollThumbnailIntoView: function PDFThumbnailViewer_scrollThumbnailIntoView(page) {
        var selected = document.querySelector('.thumbnail.selected');
        if (selected) {
         selected.classList.remove('selected');
        }
        var thumbnail = document.querySelector('div.thumbnail[data-page-number="' + page + '"]');
        if (thumbnail) {
         thumbnail.classList.add('selected');
        }
        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;
         if (page <= first || page >= last) {
          scrollIntoView(thumbnail, { top: THUMBNAIL_SCROLL_MARGIN });
         }
        }
       },
       get pagesRotation() {
        return this._pagesRotation;
       },
       set pagesRotation(rotation) {
        this._pagesRotation = rotation;
        for (var i = 0, l = this.thumbnails.length; i < l; i++) {
         var thumb = this.thumbnails[i];
         thumb.update(rotation);
        }
       },
       cleanup: function PDFThumbnailViewer_cleanup() {
        var tempCanvas = PDFThumbnailView.tempImageCache;
        if (tempCanvas) {
         tempCanvas.width = 0;
         tempCanvas.height = 0;
        }
        PDFThumbnailView.tempImageCache = null;
       },
       _resetView: function PDFThumbnailViewer_resetView() {
        this.thumbnails = [];
        this._pageLabels = null;
        this._pagesRotation = 0;
        this._pagesRequests = [];
        this.container.textContent = '';
       },
       setDocument: function PDFThumbnailViewer_setDocument(pdfDocument) {
        if (this.pdfDocument) {
         this._cancelRendering();
         this._resetView();
        }
        this.pdfDocument = pdfDocument;
        if (!pdfDocument) {
         return Promise.resolve();
        }
        return pdfDocument.getPage(1).then(function (firstPage) {
         var pagesCount = pdfDocument.numPages;
         var viewport = firstPage.getViewport(1.0);
         for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
          var thumbnail = new PDFThumbnailView({
           container: this.container,
           id: pageNum,
           defaultViewport: viewport.clone(),
           linkService: this.linkService,
           renderingQueue: this.renderingQueue,
           disableCanvasToImageConversion: false
          });
          this.thumbnails.push(thumbnail);
         }
        }.bind(this));
       },
       _cancelRendering: function PDFThumbnailViewer_cancelRendering() {
        for (var i = 0, ii = this.thumbnails.length; i < ii; i++) {
         if (this.thumbnails[i]) {
          this.thumbnails[i].cancelRendering();
         }
        }
       },
       setPageLabels: function PDFThumbnailViewer_setPageLabels(labels) {
        if (!this.pdfDocument) {
         return;
        }
        if (!labels) {
         this._pageLabels = null;
        } else if (!(labels instanceof Array && 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 thumbnailView = this.thumbnails[i];
         var label = this._pageLabels && this._pageLabels[i];
         thumbnailView.setPageLabel(label);
        }
       },
       _ensurePdfPageLoaded: function PDFThumbnailViewer_ensurePdfPageLoaded(thumbView) {
        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);
         this._pagesRequests[pageNumber] = null;
         return pdfPage;
        }.bind(this));
        this._pagesRequests[pageNumber] = promise;
        return promise;
       },
       forceRendering: function () {
        var visibleThumbs = this._getVisibleThumbs();
        var thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this.thumbnails, this.scroll.down);
        if (thumbView) {
         this._ensurePdfPageLoaded(thumbView).then(function () {
          this.renderingQueue.renderView(thumbView);
         }.bind(this));
         return true;
        }
        return false;
       }
      };
      return PDFThumbnailViewer;
     }();
     exports.PDFThumbnailViewer = PDFThumbnailViewer;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebTextLayerBuilder = {}, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
    }(this, function (exports, domEvents, pdfjsLib) {
     var EXPAND_DIVS_TIMEOUT = 300;
     var TextLayerBuilder = function TextLayerBuilderClosure() {
      function TextLayerBuilder(options) {
       this.textLayerDiv = options.textLayerDiv;
       this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
       this.textContent = null;
       this.renderingDone = false;
       this.pageIdx = options.pageIndex;
       this.pageNumber = this.pageIdx + 1;
       this.matches = [];
       this.viewport = options.viewport;
       this.textDivs = [];
       this.findController = options.findController || null;
       this.textLayerRenderTask = null;
       this.enhanceTextSelection = options.enhanceTextSelection;
       this._bindMouse();
      }
      TextLayerBuilder.prototype = {
       _finishRendering: function TextLayerBuilder_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
        });
       },
       render: function TextLayerBuilder_render(timeout) {
        if (!this.textContent || this.renderingDone) {
         return;
        }
        this.cancel();
        this.textDivs = [];
        var textLayerFrag = document.createDocumentFragment();
        this.textLayerRenderTask = pdfjsLib.renderTextLayer({
         textContent: this.textContent,
         container: textLayerFrag,
         viewport: this.viewport,
         textDivs: this.textDivs,
         timeout: timeout,
         enhanceTextSelection: this.enhanceTextSelection
        });
        this.textLayerRenderTask.promise.then(function () {
         this.textLayerDiv.appendChild(textLayerFrag);
         this._finishRendering();
         this.updateMatches();
        }.bind(this), function (reason) {
        });
       },
       cancel: function TextLayerBuilder_cancel() {
        if (this.textLayerRenderTask) {
         this.textLayerRenderTask.cancel();
         this.textLayerRenderTask = null;
        }
       },
       setTextContent: function TextLayerBuilder_setTextContent(textContent) {
        this.cancel();
        this.textContent = textContent;
       },
       convertMatches: function TextLayerBuilder_convertMatches(matches, matchesLength) {
        var i = 0;
        var iIndex = 0;
        var bidiTexts = this.textContent.items;
        var end = bidiTexts.length - 1;
        var queryLen = this.findController === null ? 0 : this.findController.state.query.length;
        var ret = [];
        if (!matches) {
         return ret;
        }
        for (var m = 0, len = matches.length; m < len; m++) {
         var matchIdx = matches[m];
         while (i !== end && matchIdx >= iIndex + bidiTexts[i].str.length) {
          iIndex += bidiTexts[i].str.length;
          i++;
         }
         if (i === bidiTexts.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 + bidiTexts[i].str.length) {
          iIndex += bidiTexts[i].str.length;
          i++;
         }
         match.end = {
          divIdx: i,
          offset: matchIdx - iIndex
         };
         ret.push(match);
        }
        return ret;
       },
       renderMatches: function TextLayerBuilder_renderMatches(matches) {
        if (matches.length === 0) {
         return;
        }
        var bidiTexts = this.textContent.items;
        var textDivs = this.textDivs;
        var prevEnd = null;
        var pageIdx = this.pageIdx;
        var isSelectedPage = this.findController === null ? false : pageIdx === this.findController.selected.pageIdx;
        var selectedMatchIdx = this.findController === null ? -1 : this.findController.selected.matchIdx;
        var highlightAll = this.findController === null ? false : this.findController.state.highlightAll;
        var infinity = {
         divIdx: -1,
         offset: undefined
        };
        function beginText(begin, className) {
         var divIdx = begin.divIdx;
         textDivs[divIdx].textContent = '';
         appendTextToDiv(divIdx, 0, begin.offset, className);
        }
        function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
         var div = textDivs[divIdx];
         var content = bidiTexts[divIdx].str.substring(fromOffset, toOffset);
         var node = document.createTextNode(content);
         if (className) {
          var span = document.createElement('span');
          span.className = className;
          span.appendChild(node);
          div.appendChild(span);
          return;
         }
         div.appendChild(node);
        }
        var i0 = selectedMatchIdx, i1 = i0 + 1;
        if (highlightAll) {
         i0 = 0;
         i1 = matches.length;
        } else if (!isSelectedPage) {
         return;
        }
        for (var i = i0; i < i1; i++) {
         var match = matches[i];
         var begin = match.begin;
         var end = match.end;
         var isSelected = isSelectedPage && i === selectedMatchIdx;
         var highlightSuffix = isSelected ? ' selected' : '';
         if (this.findController) {
          this.findController.updateMatchPosition(pageIdx, i, textDivs, begin.divIdx);
         }
         if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
          if (prevEnd !== null) {
           appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
          }
          beginText(begin);
         } else {
          appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
         }
         if (begin.divIdx === end.divIdx) {
          appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix);
         } else {
          appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix);
          for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
           textDivs[n0].className = 'highlight middle' + highlightSuffix;
          }
          beginText(end, 'highlight end' + highlightSuffix);
         }
         prevEnd = end;
        }
        if (prevEnd) {
         appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
        }
       },
       updateMatches: function TextLayerBuilder_updateMatches() {
        if (!this.renderingDone) {
         return;
        }
        var matches = this.matches;
        var textDivs = this.textDivs;
        var bidiTexts = this.textContent.items;
        var clearedUntilDivIdx = -1;
        for (var i = 0, len = matches.length; i < len; i++) {
         var match = matches[i];
         var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
         for (var n = begin, end = match.end.divIdx; n <= end; n++) {
          var div = textDivs[n];
          div.textContent = bidiTexts[n].str;
          div.className = '';
         }
         clearedUntilDivIdx = match.end.divIdx + 1;
        }
        if (this.findController === null || !this.findController.active) {
         return;
        }
        var pageMatches, pageMatchesLength;
        if (this.findController !== null) {
         pageMatches = this.findController.pageMatches[this.pageIdx] || null;
         pageMatchesLength = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null;
        }
        this.matches = this.convertMatches(pageMatches, pageMatchesLength);
        this.renderMatches(this.matches);
       },
       _bindMouse: function TextLayerBuilder_bindMouse() {
        var div = this.textLayerDiv;
        var self = this;
        var expandDivsTimer = null;
        div.addEventListener('mousedown', function (e) {
         if (self.enhanceTextSelection && self.textLayerRenderTask) {
          self.textLayerRenderTask.expandTextDivs(true);
          if (expandDivsTimer) {
           clearTimeout(expandDivsTimer);
           expandDivsTimer = null;
          }
          return;
         }
         var end = div.querySelector('.endOfContent');
         if (!end) {
          return;
         }
         var adjustTop = e.target !== div;
         adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none';
         if (adjustTop) {
          var divBounds = div.getBoundingClientRect();
          var r = Math.max(0, (e.pageY - divBounds.top) / divBounds.height);
          end.style.top = (r * 100).toFixed(2) + '%';
         }
         end.classList.add('active');
        });
        div.addEventListener('mouseup', function (e) {
         if (self.enhanceTextSelection && self.textLayerRenderTask) {
          expandDivsTimer = setTimeout(function () {
           if (self.textLayerRenderTask) {
            self.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;
     }();
     function DefaultTextLayerFactory() {
     }
     DefaultTextLayerFactory.prototype = {
      createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) {
       return new TextLayerBuilder({
        textLayerDiv: textLayerDiv,
        pageIndex: pageIndex,
        viewport: viewport,
        enhanceTextSelection: enhanceTextSelection
       });
      }
     };
     exports.TextLayerBuilder = TextLayerBuilder;
     exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebAnnotationLayerBuilder = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFJS);
    }(this, function (exports, uiUtils, pdfLinkService, pdfjsLib) {
     var mozL10n = uiUtils.mozL10n;
     var SimpleLinkService = pdfLinkService.SimpleLinkService;
     var AnnotationLayerBuilder = function AnnotationLayerBuilderClosure() {
      function AnnotationLayerBuilder(options) {
       this.pageDiv = options.pageDiv;
       this.pdfPage = options.pdfPage;
       this.renderInteractiveForms = options.renderInteractiveForms;
       this.linkService = options.linkService;
       this.downloadManager = options.downloadManager;
       this.div = null;
      }
      AnnotationLayerBuilder.prototype = {
       render: function AnnotationLayerBuilder_render(viewport, intent) {
        var self = this;
        var parameters = { intent: intent === undefined ? 'display' : intent };
        this.pdfPage.getAnnotations(parameters).then(function (annotations) {
         viewport = viewport.clone({ dontFlip: true });
         parameters = {
          viewport: viewport,
          div: self.div,
          annotations: annotations,
          page: self.pdfPage,
          renderInteractiveForms: self.renderInteractiveForms,
          linkService: self.linkService,
          downloadManager: self.downloadManager
         };
         if (self.div) {
          pdfjsLib.AnnotationLayer.update(parameters);
         } else {
          if (annotations.length === 0) {
           return;
          }
          self.div = document.createElement('div');
          self.div.className = 'annotationLayer';
          self.pageDiv.appendChild(self.div);
          parameters.div = self.div;
          pdfjsLib.AnnotationLayer.render(parameters);
          if (typeof mozL10n !== 'undefined') {
           mozL10n.translate(self.div);
          }
         }
        });
       },
       hide: function AnnotationLayerBuilder_hide() {
        if (!this.div) {
         return;
        }
        this.div.setAttribute('hidden', 'true');
       }
      };
      return AnnotationLayerBuilder;
     }();
     function DefaultAnnotationLayerFactory() {
     }
     DefaultAnnotationLayerFactory.prototype = {
      createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) {
       return new AnnotationLayerBuilder({
        pageDiv: pageDiv,
        pdfPage: pdfPage,
        renderInteractiveForms: renderInteractiveForms,
        linkService: new SimpleLinkService()
       });
      }
     };
     exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
     exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFPageView, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebTextLayerBuilder, root.pdfjsWebAnnotationLayerBuilder, root.pdfjsWebPDFLinkService, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
    }(this, function (exports, uiUtils, pdfPageView, pdfRenderingQueue, textLayerBuilder, annotationLayerBuilder, pdfLinkService, domEvents, pdfjsLib) {
     var UNKNOWN_SCALE = uiUtils.UNKNOWN_SCALE;
     var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING;
     var VERTICAL_PADDING = uiUtils.VERTICAL_PADDING;
     var MAX_AUTO_SCALE = uiUtils.MAX_AUTO_SCALE;
     var CSS_UNITS = uiUtils.CSS_UNITS;
     var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
     var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE;
     var RendererType = uiUtils.RendererType;
     var scrollIntoView = uiUtils.scrollIntoView;
     var watchScroll = uiUtils.watchScroll;
     var getVisibleElements = uiUtils.getVisibleElements;
     var PDFPageView = pdfPageView.PDFPageView;
     var RenderingStates = pdfRenderingQueue.RenderingStates;
     var PDFRenderingQueue = pdfRenderingQueue.PDFRenderingQueue;
     var TextLayerBuilder = textLayerBuilder.TextLayerBuilder;
     var AnnotationLayerBuilder = annotationLayerBuilder.AnnotationLayerBuilder;
     var SimpleLinkService = pdfLinkService.SimpleLinkService;
     var PresentationModeState = {
      UNKNOWN: 0,
      NORMAL: 1,
      CHANGING: 2,
      FULLSCREEN: 3
     };
     var DEFAULT_CACHE_SIZE = 10;
     var PDFViewer = function pdfViewer() {
      function PDFPageViewBuffer(size) {
       var data = [];
       this.push = function cachePush(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) {
        size = newSize;
        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;
      }
      function PDFViewer(options) {
       this.container = options.container;
       this.viewer = options.viewer || options.container.firstElementChild;
       this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
       this.linkService = options.linkService || new SimpleLinkService();
       this.downloadManager = options.downloadManager || null;
       this.removePageBorders = options.removePageBorders || false;
       this.enhanceTextSelection = options.enhanceTextSelection || false;
       this.renderInteractiveForms = options.renderInteractiveForms || false;
       this.renderer = options.renderer || RendererType.CANVAS;
       this.defaultRenderingQueue = !options.renderingQueue;
       if (this.defaultRenderingQueue) {
        this.renderingQueue = new PDFRenderingQueue();
        this.renderingQueue.setViewer(this);
       } else {
        this.renderingQueue = options.renderingQueue;
       }
       this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this));
       this.presentationModeState = PresentationModeState.UNKNOWN;
       this._resetView();
       if (this.removePageBorders) {
        this.viewer.classList.add('removePageBorders');
       }
      }
      PDFViewer.prototype = {
       get pagesCount() {
        return this._pages.length;
       },
       getPageView: function (index) {
        return this._pages[index];
       },
       get pageViewsReady() {
        return this._pageViewsReady;
       },
       get currentPageNumber() {
        return this._currentPageNumber;
       },
       set currentPageNumber(val) {
        if ((val | 0) !== val) {
         throw new Error('Invalid page number.');
        }
        if (!this.pdfDocument) {
         this._currentPageNumber = val;
         return;
        }
        this._setCurrentPageNumber(val, true);
       },
       _setCurrentPageNumber: function PDFViewer_setCurrentPageNumber(val, resetCurrentPageView) {
        if (this._currentPageNumber === val) {
         if (resetCurrentPageView) {
          this._resetCurrentPageView();
         }
         return;
        }
        if (!(0 < val && val <= this.pagesCount)) {
         console.error('PDFViewer_setCurrentPageNumber: "' + val + '" is out of bounds.');
         return;
        }
        var arg = {
         source: this,
         pageNumber: val,
         pageLabel: this._pageLabels && this._pageLabels[val - 1]
        };
        this._currentPageNumber = val;
        this.eventBus.dispatch('pagechanging', arg);
        this.eventBus.dispatch('pagechange', arg);
        if (resetCurrentPageView) {
         this._resetCurrentPageView();
        }
       },
       get currentPageLabel() {
        return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
       },
       set currentPageLabel(val) {
        var pageNumber = val | 0;
        if (this._pageLabels) {
         var i = this._pageLabels.indexOf(val);
         if (i >= 0) {
          pageNumber = i + 1;
         }
        }
        this.currentPageNumber = pageNumber;
       },
       get currentScale() {
        return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE;
       },
       set currentScale(val) {
        if (isNaN(val)) {
         throw new Error('Invalid numeric scale');
        }
        if (!this.pdfDocument) {
         this._currentScale = val;
         this._currentScaleValue = val !== UNKNOWN_SCALE ? val.toString() : null;
         return;
        }
        this._setScale(val, false);
       },
       get currentScaleValue() {
        return this._currentScaleValue;
       },
       set currentScaleValue(val) {
        if (!this.pdfDocument) {
         this._currentScale = isNaN(val) ? UNKNOWN_SCALE : val;
         this._currentScaleValue = val.toString();
         return;
        }
        this._setScale(val, false);
       },
       get pagesRotation() {
        return this._pagesRotation;
       },
       set pagesRotation(rotation) {
        if (!(typeof rotation === 'number' && rotation % 90 === 0)) {
         throw new Error('Invalid pages rotation angle.');
        }
        this._pagesRotation = rotation;
        if (!this.pdfDocument) {
         return;
        }
        for (var i = 0, l = this._pages.length; i < l; i++) {
         var pageView = this._pages[i];
         pageView.update(pageView.scale, rotation);
        }
        this._setScale(this._currentScaleValue, true);
        if (this.defaultRenderingQueue) {
         this.update();
        }
       },
       setDocument: function (pdfDocument) {
        if (this.pdfDocument) {
         this._cancelRendering();
         this._resetView();
        }
        this.pdfDocument = pdfDocument;
        if (!pdfDocument) {
         return;
        }
        var pagesCount = pdfDocument.numPages;
        var self = this;
        var resolvePagesPromise;
        var pagesPromise = new Promise(function (resolve) {
         resolvePagesPromise = resolve;
        });
        this.pagesPromise = pagesPromise;
        pagesPromise.then(function () {
         self._pageViewsReady = true;
         self.eventBus.dispatch('pagesloaded', {
          source: self,
          pagesCount: pagesCount
         });
        });
        var isOnePageRenderedResolved = false;
        var resolveOnePageRendered = null;
        var onePageRendered = new Promise(function (resolve) {
         resolveOnePageRendered = resolve;
        });
        this.onePageRendered = onePageRendered;
        var bindOnAfterAndBeforeDraw = function (pageView) {
         pageView.onBeforeDraw = function pdfViewLoadOnBeforeDraw() {
          self._buffer.push(this);
         };
         pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() {
          if (!isOnePageRenderedResolved) {
           isOnePageRenderedResolved = true;
           resolveOnePageRendered();
          }
         };
        };
        var firstPagePromise = pdfDocument.getPage(1);
        this.firstPagePromise = firstPagePromise;
        return firstPagePromise.then(function (pdfPage) {
         var scale = this.currentScale;
         var viewport = pdfPage.getViewport(scale * CSS_UNITS);
         for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
          var textLayerFactory = null;
          if (!pdfjsLib.PDFJS.disableTextLayer) {
           textLayerFactory = this;
          }
          var pageView = new PDFPageView({
           container: this.viewer,
           eventBus: this.eventBus,
           id: pageNum,
           scale: scale,
           defaultViewport: viewport.clone(),
           renderingQueue: this.renderingQueue,
           textLayerFactory: textLayerFactory,
           annotationLayerFactory: this,
           enhanceTextSelection: this.enhanceTextSelection,
           renderInteractiveForms: this.renderInteractiveForms,
           renderer: this.renderer
          });
          bindOnAfterAndBeforeDraw(pageView);
          this._pages.push(pageView);
         }
         var linkService = this.linkService;
         onePageRendered.then(function () {
          if (!pdfjsLib.PDFJS.disableAutoFetch) {
           var getPagesLeft = pagesCount;
           for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
            pdfDocument.getPage(pageNum).then(function (pageNum, pdfPage) {
             var pageView = self._pages[pageNum - 1];
             if (!pageView.pdfPage) {
              pageView.setPdfPage(pdfPage);
             }
             linkService.cachePageRef(pageNum, pdfPage.ref);
             getPagesLeft--;
             if (!getPagesLeft) {
              resolvePagesPromise();
             }
            }.bind(null, pageNum));
           }
          } else {
           resolvePagesPromise();
          }
         });
         self.eventBus.dispatch('pagesinit', { source: self });
         if (this.defaultRenderingQueue) {
          this.update();
         }
         if (this.findController) {
          this.findController.resolveFirstPage();
         }
        }.bind(this));
       },
       setPageLabels: function PDFViewer_setPageLabels(labels) {
        if (!this.pdfDocument) {
         return;
        }
        if (!labels) {
         this._pageLabels = null;
        } else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) {
         this._pageLabels = null;
         console.error('PDFViewer_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);
        }
       },
       _resetView: function () {
        this._pages = [];
        this._currentPageNumber = 1;
        this._currentScale = 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.viewer.textContent = '';
       },
       _scrollUpdate: function PDFViewer_scrollUpdate() {
        if (this.pagesCount === 0) {
         return;
        }
        this.update();
        for (var i = 0, ii = this._pages.length; i < ii; i++) {
         this._pages[i].updatePosition();
        }
       },
       _setScaleDispatchEvent: function pdfViewer_setScaleDispatchEvent(newScale, newValue, preset) {
        var arg = {
         source: this,
         scale: newScale,
         presetValue: preset ? newValue : undefined
        };
        this.eventBus.dispatch('scalechanging', arg);
        this.eventBus.dispatch('scalechange', arg);
       },
       _setScaleUpdatePages: function pdfViewer_setScaleUpdatePages(newScale, newValue, noScroll, preset) {
        this._currentScaleValue = newValue.toString();
        if (isSameScale(this._currentScale, newScale)) {
         if (preset) {
          this._setScaleDispatchEvent(newScale, newValue, true);
         }
         return;
        }
        for (var i = 0, ii = this._pages.length; i < ii; i++) {
         this._pages[i].update(newScale);
        }
        this._currentScale = newScale;
        if (!noScroll) {
         var page = this._currentPageNumber, dest;
         if (this._location && !pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
          page = this._location.pageNumber;
          dest = [
           null,
           { name: 'XYZ' },
           this._location.left,
           this._location.top,
           null
          ];
         }
         this.scrollPageIntoView({
          pageNumber: page,
          destArray: dest,
          allowNegativeOffset: true
         });
        }
        this._setScaleDispatchEvent(newScale, newValue, preset);
        if (this.defaultRenderingQueue) {
         this.update();
        }
       },
       _setScale: function PDFViewer_setScale(value, noScroll) {
        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 hPadding = this.isInPresentationMode || this.removePageBorders ? 0 : SCROLLBAR_PADDING;
         var vPadding = this.isInPresentationMode || this.removePageBorders ? 0 : VERTICAL_PADDING;
         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 isLandscape = currentPage.width > currentPage.height;
          var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale;
          scale = Math.min(MAX_AUTO_SCALE, horizontalScale);
          break;
         default:
          console.error('PDFViewer_setScale: "' + value + '" is an unknown zoom value.');
          return;
         }
         this._setScaleUpdatePages(scale, value, noScroll, true);
        }
       },
       _resetCurrentPageView: function () {
        if (this.isInPresentationMode) {
         this._setScale(this._currentScaleValue, true);
        }
        var pageView = this._pages[this._currentPageNumber - 1];
        scrollIntoView(pageView.div);
       },
       scrollPageIntoView: function PDFViewer_scrollPageIntoView(params) {
        if (!this.pdfDocument) {
         return;
        }
        if (arguments.length > 1 || typeof params === 'number') {
         console.warn('Call of scrollPageIntoView() with obsolete signature.');
         var paramObj = {};
         if (typeof params === 'number') {
          paramObj.pageNumber = params;
         }
         if (arguments[1] instanceof Array) {
          paramObj.destArray = arguments[1];
         }
         params = paramObj;
        }
        var pageNumber = params.pageNumber || 0;
        var dest = params.destArray || null;
        var allowNegativeOffset = params.allowNegativeOffset || false;
        if (this.isInPresentationMode || !dest) {
         this._setCurrentPageNumber(pageNumber, true);
         return;
        }
        var pageView = this._pages[pageNumber - 1];
        if (!pageView) {
         console.error('PDFViewer_scrollPageIntoView: ' + 'Invalid "pageNumber" parameter.');
         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 / CSS_UNITS;
        var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / CSS_UNITS;
        var scale = 0;
        switch (dest[1].name) {
        case 'XYZ':
         x = dest[2];
         y = dest[3];
         scale = dest[4];
         x = x !== null ? x : 0;
         y = y !== null ? y : pageHeight;
         break;
        case 'Fit':
        case 'FitB':
         scale = 'page-fit';
         break;
        case 'FitH':
        case 'FitBH':
         y = dest[2];
         scale = 'page-width';
         if (y === null && this._location) {
          x = this._location.left;
          y = this._location.top;
         }
         break;
        case 'FitV':
        case 'FitBV':
         x = dest[2];
         width = pageWidth;
         height = pageHeight;
         scale = 'page-height';
         break;
        case 'FitR':
         x = dest[2];
         y = dest[3];
         width = dest[4] - x;
         height = dest[5] - y;
         var hPadding = this.removePageBorders ? 0 : SCROLLBAR_PADDING;
         var vPadding = this.removePageBorders ? 0 : VERTICAL_PADDING;
         widthScale = (this.container.clientWidth - hPadding) / width / CSS_UNITS;
         heightScale = (this.container.clientHeight - vPadding) / height / CSS_UNITS;
         scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
         break;
        default:
         console.error('PDFViewer_scrollPageIntoView: \'' + dest[1].name + '\' is not a valid destination type.');
         return;
        }
        if (scale && scale !== this._currentScale) {
         this.currentScaleValue = scale;
        } else if (this._currentScale === UNKNOWN_SCALE) {
         this.currentScaleValue = DEFAULT_SCALE_VALUE;
        }
        if (scale === 'page-fit' && !dest[4]) {
         scrollIntoView(pageView.div);
         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);
        }
        scrollIntoView(pageView.div, {
         left: left,
         top: top
        });
       },
       _updateLocation: function (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,
         pdfOpenParams: pdfOpenParams
        };
       },
       update: function PDFViewer_update() {
        var visible = this._getVisiblePages();
        var visiblePages = visible.views;
        if (visiblePages.length === 0) {
         return;
        }
        var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * visiblePages.length + 1);
        this._buffer.resize(suggestedCacheSize);
        this.renderingQueue.renderHighestPriority(visible);
        var currentId = this._currentPageNumber;
        var firstPage = visible.first;
        for (var i = 0, ii = visiblePages.length, stillFullyVisible = false; i < ii; ++i) {
         var page = visiblePages[i];
         if (page.percent < 100) {
          break;
         }
         if (page.id === currentId) {
          stillFullyVisible = true;
          break;
         }
        }
        if (!stillFullyVisible) {
         currentId = visiblePages[0].id;
        }
        if (!this.isInPresentationMode) {
         this._setCurrentPageNumber(currentId);
        }
        this._updateLocation(firstPage);
        this.eventBus.dispatch('updateviewarea', {
         source: this,
         location: this._location
        });
       },
       containsElement: function (element) {
        return this.container.contains(element);
       },
       focus: function () {
        this.container.focus();
       },
       get isInPresentationMode() {
        return this.presentationModeState === PresentationModeState.FULLSCREEN;
       },
       get isChangingPresentationMode() {
        return this.presentationModeState === PresentationModeState.CHANGING;
       },
       get isHorizontalScrollbarEnabled() {
        return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
       },
       _getVisiblePages: function () {
        if (!this.isInPresentationMode) {
         return getVisibleElements(this.container, this._pages, true);
        }
        var visible = [];
        var currentPage = this._pages[this._currentPageNumber - 1];
        visible.push({
         id: currentPage.id,
         view: currentPage
        });
        return {
         first: currentPage,
         last: currentPage,
         views: visible
        };
       },
       cleanup: function () {
        for (var i = 0, ii = this._pages.length; i < ii; i++) {
         if (this._pages[i] && this._pages[i].renderingState !== RenderingStates.FINISHED) {
          this._pages[i].reset();
         }
        }
       },
       _cancelRendering: function PDFViewer_cancelRendering() {
        for (var i = 0, ii = this._pages.length; i < ii; i++) {
         if (this._pages[i]) {
          this._pages[i].cancelRendering();
         }
        }
       },
       _ensurePdfPageLoaded: function (pageView) {
        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) {
         pageView.setPdfPage(pdfPage);
         this._pagesRequests[pageNumber] = null;
         return pdfPage;
        }.bind(this));
        this._pagesRequests[pageNumber] = promise;
        return promise;
       },
       forceRendering: function (currentlyVisiblePages) {
        var visiblePages = currentlyVisiblePages || this._getVisiblePages();
        var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, this.scroll.down);
        if (pageView) {
         this._ensurePdfPageLoaded(pageView).then(function () {
          this.renderingQueue.renderView(pageView);
         }.bind(this));
         return true;
        }
        return false;
       },
       getPageTextContent: function (pageIndex) {
        return this.pdfDocument.getPage(pageIndex + 1).then(function (page) {
         return page.getTextContent({ normalizeWhitespace: true });
        });
       },
       createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) {
        return new TextLayerBuilder({
         textLayerDiv: textLayerDiv,
         eventBus: this.eventBus,
         pageIndex: pageIndex,
         viewport: viewport,
         findController: this.isInPresentationMode ? null : this.findController,
         enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
        });
       },
       createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) {
        return new AnnotationLayerBuilder({
         pageDiv: pageDiv,
         pdfPage: pdfPage,
         renderInteractiveForms: renderInteractiveForms,
         linkService: this.linkService,
         downloadManager: this.downloadManager
        });
       },
       setFindController: function (findController) {
        this.findController = findController;
       },
       getPagesOverview: function () {
        return this._pages.map(function (pageView) {
         var viewport = pageView.pdfPage.getViewport(1);
         return {
          width: viewport.width,
          height: viewport.height
         };
        });
       }
      };
      return PDFViewer;
     }();
     exports.PresentationModeState = PresentationModeState;
     exports.PDFViewer = PDFViewer;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebApp = {}, root.pdfjsWebUIUtils, root.pdfjsWebDownloadManager, root.pdfjsWebPDFHistory, root.pdfjsWebPreferences, root.pdfjsWebPDFSidebar, root.pdfjsWebViewHistory, root.pdfjsWebPDFThumbnailViewer, root.pdfjsWebToolbar, root.pdfjsWebSecondaryToolbar, root.pdfjsWebPasswordPrompt, root.pdfjsWebPDFPresentationMode, root.pdfjsWebPDFDocumentProperties, root.pdfjsWebHandTool, root.pdfjsWebPDFViewer, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFOutlineViewer, root.pdfjsWebOverlayManager, root.pdfjsWebPDFAttachmentViewer, root.pdfjsWebPDFFindController, root.pdfjsWebPDFFindBar, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
    }(this, function (exports, uiUtilsLib, downloadManagerLib, pdfHistoryLib, preferencesLib, pdfSidebarLib, viewHistoryLib, pdfThumbnailViewerLib, toolbarLib, secondaryToolbarLib, passwordPromptLib, pdfPresentationModeLib, pdfDocumentPropertiesLib, handToolLib, pdfViewerLib, pdfRenderingQueueLib, pdfLinkServiceLib, pdfOutlineViewerLib, overlayManagerLib, pdfAttachmentViewerLib, pdfFindControllerLib, pdfFindBarLib, domEventsLib, pdfjsLib) {
     var UNKNOWN_SCALE = uiUtilsLib.UNKNOWN_SCALE;
     var DEFAULT_SCALE_VALUE = uiUtilsLib.DEFAULT_SCALE_VALUE;
     var MIN_SCALE = uiUtilsLib.MIN_SCALE;
     var MAX_SCALE = uiUtilsLib.MAX_SCALE;
     var ProgressBar = uiUtilsLib.ProgressBar;
     var getPDFFileNameFromURL = uiUtilsLib.getPDFFileNameFromURL;
     var noContextMenuHandler = uiUtilsLib.noContextMenuHandler;
     var mozL10n = uiUtilsLib.mozL10n;
     var parseQueryString = uiUtilsLib.parseQueryString;
     var PDFHistory = pdfHistoryLib.PDFHistory;
     var Preferences = preferencesLib.Preferences;
     var SidebarView = pdfSidebarLib.SidebarView;
     var PDFSidebar = pdfSidebarLib.PDFSidebar;
     var ViewHistory = viewHistoryLib.ViewHistory;
     var PDFThumbnailViewer = pdfThumbnailViewerLib.PDFThumbnailViewer;
     var Toolbar = toolbarLib.Toolbar;
     var SecondaryToolbar = secondaryToolbarLib.SecondaryToolbar;
     var PasswordPrompt = passwordPromptLib.PasswordPrompt;
     var PDFPresentationMode = pdfPresentationModeLib.PDFPresentationMode;
     var PDFDocumentProperties = pdfDocumentPropertiesLib.PDFDocumentProperties;
     var HandTool = handToolLib.HandTool;
     var PresentationModeState = pdfViewerLib.PresentationModeState;
     var PDFViewer = pdfViewerLib.PDFViewer;
     var RenderingStates = pdfRenderingQueueLib.RenderingStates;
     var PDFRenderingQueue = pdfRenderingQueueLib.PDFRenderingQueue;
     var PDFLinkService = pdfLinkServiceLib.PDFLinkService;
     var PDFOutlineViewer = pdfOutlineViewerLib.PDFOutlineViewer;
     var OverlayManager = overlayManagerLib.OverlayManager;
     var PDFAttachmentViewer = pdfAttachmentViewerLib.PDFAttachmentViewer;
     var PDFFindController = pdfFindControllerLib.PDFFindController;
     var PDFFindBar = pdfFindBarLib.PDFFindBar;
     var getGlobalEventBus = domEventsLib.getGlobalEventBus;
     var normalizeWheelEventDelta = uiUtilsLib.normalizeWheelEventDelta;
     var animationStarted = uiUtilsLib.animationStarted;
     var localized = uiUtilsLib.localized;
     var RendererType = uiUtilsLib.RendererType;
     var DEFAULT_SCALE_DELTA = 1.1;
     var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
     function configure(PDFJS) {
      PDFJS.imageResourcesPath = '/pdfjs/web/images/';
      PDFJS.workerSrc = '/pdfjs/web/pdf.worker.js';
      PDFJS.cMapUrl = '/pdfjs/web/cmaps/';
      PDFJS.cMapPacked = true;
     }
     var DefaultExernalServices = {
      updateFindControlState: function (data) {
      },
      initPassiveLoading: function (callbacks) {
      },
      fallback: function (data, callback) {
      },
      reportTelemetry: function (data) {
      },
      createDownloadManager: function () {
       return new downloadManagerLib.DownloadManager();
      },
      supportsIntegratedFind: false,
      supportsDocumentFonts: true,
      supportsDocumentColors: true,
      supportedMouseWheelZoomModifierKeys: {
       ctrlKey: true,
       metaKey: true
      }
     };
     var PDFViewerApplication = {
      initialBookmark: document.location.hash.substring(1),
      initialDestination: null,
      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,
      pdfOutlineViewer: null,
      pdfAttachmentViewer: null,
      store: null,
      downloadManager: null,
      toolbar: null,
      secondaryToolbar: null,
      eventBus: null,
      pageRotation: 0,
      isInitialViewSet: false,
      viewerPrefs: {
       sidebarViewOnLoad: SidebarView.NONE,
       pdfBugEnabled: false,
       showPreviousViewOnLoad: true,
       defaultZoomValue: '',
       disablePageLabels: false,
       renderer: 'canvas',
       enhanceTextSelection: false,
       renderInteractiveForms: false
      },
      isViewerEmbedded: window.parent !== window,
      url: '',
      baseUrl: '',
      externalServices: DefaultExernalServices,
      initialize: function pdfViewInitialize(appConfig) {
       var self = this;
       var PDFJS = pdfjsLib.PDFJS;
       Preferences.initialize();
       this.preferences = Preferences;
       configure(PDFJS);
       this.appConfig = appConfig;
       return this._readPreferences().then(function () {
        return self._initializeViewerComponents();
       }).then(function () {
        self.bindEvents();
        self.bindWindowEvents();
        localized.then(function () {
         self.eventBus.dispatch('localized');
        });
        if (self.isViewerEmbedded && !PDFJS.isExternalLinkTargetSet()) {
         PDFJS.externalLinkTarget = PDFJS.LinkTarget.TOP;
        }
        self.initialized = true;
       });
      },
      _readPreferences: function () {
       var self = this;
       var PDFJS = pdfjsLib.PDFJS;
       return Promise.all([
        Preferences.get('enableWebGL').then(function resolved(value) {
         PDFJS.disableWebGL = !value;
        }),
        Preferences.get('sidebarViewOnLoad').then(function resolved(value) {
         self.viewerPrefs['sidebarViewOnLoad'] = value;
        }),
        Preferences.get('pdfBugEnabled').then(function resolved(value) {
         self.viewerPrefs['pdfBugEnabled'] = value;
        }),
        Preferences.get('showPreviousViewOnLoad').then(function resolved(value) {
         self.viewerPrefs['showPreviousViewOnLoad'] = value;
        }),
        Preferences.get('defaultZoomValue').then(function resolved(value) {
         self.viewerPrefs['defaultZoomValue'] = value;
        }),
        Preferences.get('enhanceTextSelection').then(function resolved(value) {
         self.viewerPrefs['enhanceTextSelection'] = value;
        }),
        Preferences.get('disableTextLayer').then(function resolved(value) {
         if (PDFJS.disableTextLayer === true) {
          return;
         }
         PDFJS.disableTextLayer = value;
        }),
        Preferences.get('disableRange').then(function resolved(value) {
         if (PDFJS.disableRange === true) {
          return;
         }
         PDFJS.disableRange = value;
        }),
        Preferences.get('disableStream').then(function resolved(value) {
         if (PDFJS.disableStream === true) {
          return;
         }
         PDFJS.disableStream = value;
        }),
        Preferences.get('disableAutoFetch').then(function resolved(value) {
         PDFJS.disableAutoFetch = value;
        }),
        Preferences.get('disableFontFace').then(function resolved(value) {
         if (PDFJS.disableFontFace === true) {
          return;
         }
         PDFJS.disableFontFace = value;
        }),
        Preferences.get('useOnlyCssZoom').then(function resolved(value) {
         PDFJS.useOnlyCssZoom = value;
        }),
        Preferences.get('externalLinkTarget').then(function resolved(value) {
         if (PDFJS.isExternalLinkTargetSet()) {
          return;
         }
         PDFJS.externalLinkTarget = value;
        }),
        Preferences.get('renderer').then(function resolved(value) {
         self.viewerPrefs['renderer'] = value;
        }),
        Preferences.get('renderInteractiveForms').then(function resolved(value) {
         self.viewerPrefs['renderInteractiveForms'] = value;
        }),
        Preferences.get('disablePageLabels').then(function resolved(value) {
         self.viewerPrefs['disablePageLabels'] = value;
        })
       ]).catch(function (reason) {
       });
      },
      _initializeViewerComponents: function () {
       var self = this;
       var appConfig = this.appConfig;
       return new Promise(function (resolve, reject) {
        var eventBus = appConfig.eventBus || getGlobalEventBus();
        self.eventBus = eventBus;
        var pdfRenderingQueue = new PDFRenderingQueue();
        pdfRenderingQueue.onIdle = self.cleanup.bind(self);
        self.pdfRenderingQueue = pdfRenderingQueue;
        var pdfLinkService = new PDFLinkService({ eventBus: eventBus });
        self.pdfLinkService = pdfLinkService;
        var downloadManager = self.externalServices.createDownloadManager();
        self.downloadManager = downloadManager;
        var container = appConfig.mainContainer;
        var viewer = appConfig.viewerContainer;
        self.pdfViewer = new PDFViewer({
         container: container,
         viewer: viewer,
         eventBus: eventBus,
         renderingQueue: pdfRenderingQueue,
         linkService: pdfLinkService,
         downloadManager: downloadManager,
         renderer: self.viewerPrefs['renderer'],
         enhanceTextSelection: self.viewerPrefs['enhanceTextSelection'],
         renderInteractiveForms: self.viewerPrefs['renderInteractiveForms']
        });
        pdfRenderingQueue.setViewer(self.pdfViewer);
        pdfLinkService.setViewer(self.pdfViewer);
        var thumbnailContainer = appConfig.sidebar.thumbnailView;
        self.pdfThumbnailViewer = new PDFThumbnailViewer({
         container: thumbnailContainer,
         renderingQueue: pdfRenderingQueue,
         linkService: pdfLinkService
        });
        pdfRenderingQueue.setThumbnailViewer(self.pdfThumbnailViewer);
        self.pdfHistory = new PDFHistory({
         linkService: pdfLinkService,
         eventBus: eventBus
        });
        pdfLinkService.setHistory(self.pdfHistory);
        self.findController = new PDFFindController({ pdfViewer: self.pdfViewer });
        self.findController.onUpdateResultsCount = function (matchCount) {
         if (self.supportsIntegratedFind) {
          return;
         }
         self.findBar.updateResultsCount(matchCount);
        };
        self.findController.onUpdateState = function (state, previous, matchCount) {
         if (self.supportsIntegratedFind) {
          self.externalServices.updateFindControlState({
           result: state,
           findPrevious: previous
          });
         } else {
          self.findBar.updateUIState(state, previous, matchCount);
         }
        };
        self.pdfViewer.setFindController(self.findController);
        var findBarConfig = Object.create(appConfig.findBar);
        findBarConfig.findController = self.findController;
        findBarConfig.eventBus = eventBus;
        self.findBar = new PDFFindBar(findBarConfig);
        self.overlayManager = OverlayManager;
        self.handTool = new HandTool({
         container: container,
         eventBus: eventBus
        });
        self.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties);
        self.toolbar = new Toolbar(appConfig.toolbar, container, eventBus);
        self.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
        if (self.supportsFullscreen) {
         self.pdfPresentationMode = new PDFPresentationMode({
          container: container,
          viewer: viewer,
          pdfViewer: self.pdfViewer,
          eventBus: eventBus,
          contextMenuItems: appConfig.fullscreen
         });
        }
        self.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay);
        self.pdfOutlineViewer = new PDFOutlineViewer({
         container: appConfig.sidebar.outlineView,
         eventBus: eventBus,
         linkService: pdfLinkService
        });
        self.pdfAttachmentViewer = new PDFAttachmentViewer({
         container: appConfig.sidebar.attachmentsView,
         eventBus: eventBus,
         downloadManager: downloadManager
        });
        var sidebarConfig = Object.create(appConfig.sidebar);
        sidebarConfig.pdfViewer = self.pdfViewer;
        sidebarConfig.pdfThumbnailViewer = self.pdfThumbnailViewer;
        sidebarConfig.pdfOutlineViewer = self.pdfOutlineViewer;
        sidebarConfig.eventBus = eventBus;
        self.pdfSidebar = new PDFSidebar(sidebarConfig);
        self.pdfSidebar.onToggled = self.forceRendering.bind(self);
        resolve(undefined);
       });
      },
      run: function pdfViewRun(config) {
       this.initialize(config).then(webViewerInitialized);
      },
      zoomIn: function pdfViewZoomIn(ticks) {
       var newScale = this.pdfViewer.currentScale;
       do {
        newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
        newScale = Math.ceil(newScale * 10) / 10;
        newScale = Math.min(MAX_SCALE, newScale);
       } while (--ticks > 0 && newScale < MAX_SCALE);
       this.pdfViewer.currentScaleValue = newScale;
      },
      zoomOut: function pdfViewZoomOut(ticks) {
       var newScale = this.pdfViewer.currentScale;
       do {
        newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
        newScale = Math.floor(newScale * 10) / 10;
        newScale = Math.max(MIN_SCALE, newScale);
       } while (--ticks > 0 && newScale > MIN_SCALE);
       this.pdfViewer.currentScaleValue = newScale;
      },
      get pagesCount() {
       return this.pdfDocument ? this.pdfDocument.numPages : 0;
      },
      set page(val) {
       this.pdfViewer.currentPageNumber = val;
      },
      get page() {
       return this.pdfViewer.currentPageNumber;
      },
      get printing() {
       return !!this.printService;
      },
      get supportsPrinting() {
       return PDFPrintServiceFactory.instance.supportsPrinting;
      },
      get supportsFullscreen() {
       var support;
       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;
       }
       if (support && pdfjsLib.PDFJS.disableFullscreen === true) {
        support = false;
       }
       return 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 ProgressBar('#loadingBar', {});
       return pdfjsLib.shadow(this, 'loadingBar', bar);
      },
      get supportedMouseWheelZoomModifierKeys() {
       return this.externalServices.supportedMouseWheelZoomModifierKeys;
      },
      initPassiveLoading: function pdfViewInitPassiveLoading() {
       throw new Error('Not implemented: initPassiveLoading');
      },
      setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) {
       this.url = url;
       this.baseUrl = url.split('#')[0];
       try {
        this.setTitle(decodeURIComponent(pdfjsLib.getFilenameFromUrl(url)) || url);
       } catch (e) {
        this.setTitle(url);
       }
      },
      setTitle: function pdfViewSetTitle(title) {
       if (this.isViewerEmbedded) {
        return;
       }
       document.title = title;
      },
      close: function pdfViewClose() {
       var errorWrapper = this.appConfig.errorWrapper.container;
       errorWrapper.setAttribute('hidden', 'true');
       if (!this.pdfLoadingTask) {
        return Promise.resolve();
       }
       var promise = this.pdfLoadingTask.destroy();
       this.pdfLoadingTask = null;
       if (this.pdfDocument) {
        this.pdfDocument = null;
        this.pdfThumbnailViewer.setDocument(null);
        this.pdfViewer.setDocument(null);
        this.pdfLinkService.setDocument(null, null);
       }
       this.store = null;
       this.isInitialViewSet = false;
       this.pdfSidebar.reset();
       this.pdfOutlineViewer.reset();
       this.pdfAttachmentViewer.reset();
       this.findController.reset();
       this.findBar.reset();
       this.toolbar.reset();
       this.secondaryToolbar.reset();
       if (typeof PDFBug !== 'undefined') {
        PDFBug.cleanup();
       }
       return promise;
      },
      open: function pdfViewOpen(file, args) {
       if (arguments.length > 2 || typeof args === 'number') {
        return Promise.reject(new Error('Call of open() with obsolete signature.'));
       }
       if (this.pdfLoadingTask) {
        return this.close().then(function () {
         Preferences.reload();
         return this.open(file, args);
        }.bind(this));
       }
       var parameters = Object.create(null), scale;
       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;
       }
       if (args) {
        for (var prop in args) {
         parameters[prop] = args[prop];
        }
        if (args.scale) {
         scale = args.scale;
        }
        if (args.length) {
         this.pdfDocumentProperties.setFileSize(args.length);
        }
       }
       var self = this;
       self.downloadComplete = false;
       var loadingTask = pdfjsLib.getDocument(parameters);
       this.pdfLoadingTask = loadingTask;
       loadingTask.onPassword = function passwordNeeded(updateCallback, reason) {
        self.passwordPrompt.setUpdateCallback(updateCallback, reason);
        self.passwordPrompt.open();
       };
       loadingTask.onProgress = function getDocumentProgress(progressData) {
        self.progress(progressData.loaded / progressData.total);
       };
       loadingTask.onUnsupportedFeature = this.fallback.bind(this);
       return loadingTask.promise.then(function getDocumentCallback(pdfDocument) {
        self.load(pdfDocument, scale);
       }, function getDocumentError(exception) {
        var message = exception && exception.message;
        var loadingErrorMessage = mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.');
        if (exception instanceof pdfjsLib.InvalidPDFException) {
         loadingErrorMessage = mozL10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.');
        } else if (exception instanceof pdfjsLib.MissingPDFException) {
         loadingErrorMessage = mozL10n.get('missing_file_error', null, 'Missing PDF file.');
        } else if (exception instanceof pdfjsLib.UnexpectedResponseException) {
         loadingErrorMessage = mozL10n.get('unexpected_response_error', null, 'Unexpected server response.');
        }
        var moreInfo = { message: message };
        self.error(loadingErrorMessage, moreInfo);
        throw new Error(loadingErrorMessage);
       });
      },
      download: function pdfViewDownload() {
       function downloadByUrl() {
        downloadManager.downloadUrl(url, filename);
       }
       var url = this.baseUrl;
       var filename = getPDFFileNameFromURL(url);
       var downloadManager = this.downloadManager;
       downloadManager.onerror = function (err) {
        PDFViewerApplication.error('PDF failed to download.');
       };
       if (!this.pdfDocument) {
        downloadByUrl();
        return;
       }
       if (!this.downloadComplete) {
        downloadByUrl();
        return;
       }
       this.pdfDocument.getData().then(function getDataSuccess(data) {
        var blob = pdfjsLib.createBlob(data, 'application/pdf');
        downloadManager.download(blob, url, filename);
       }, downloadByUrl).then(null, downloadByUrl);
      },
      fallback: function pdfViewFallback(featureId) {
      },
      error: function pdfViewError(message, moreInfo) {
       var moreInfoText = mozL10n.get('error_version_info', {
        version: pdfjsLib.version || '?',
        build: pdfjsLib.build || '?'
       }, 'PDF.js v{{version}} (build: {{build}})') + '\n';
       if (moreInfo) {
        moreInfoText += mozL10n.get('error_message', { message: moreInfo.message }, 'Message: {{message}}');
        if (moreInfo.stack) {
         moreInfoText += '\n' + mozL10n.get('error_stack', { stack: moreInfo.stack }, 'Stack: {{stack}}');
        } else {
         if (moreInfo.filename) {
          moreInfoText += '\n' + mozL10n.get('error_file', { file: moreInfo.filename }, 'File: {{file}}');
         }
         if (moreInfo.lineNumber) {
          moreInfoText += '\n' + mozL10n.get('error_line', { line: moreInfo.lineNumber }, 'Line: {{line}}');
         }
        }
       }
       var errorWrapperConfig = this.appConfig.errorWrapper;
       var errorWrapper = errorWrapperConfig.container;
       errorWrapper.removeAttribute('hidden');
       var errorMessage = errorWrapperConfig.errorMessage;
       errorMessage.textContent = message;
       var closeButton = errorWrapperConfig.closeButton;
       closeButton.onclick = function () {
        errorWrapper.setAttribute('hidden', 'true');
       };
       var errorMoreInfo = errorWrapperConfig.errorMoreInfo;
       var moreInfoButton = errorWrapperConfig.moreInfoButton;
       var lessInfoButton = errorWrapperConfig.lessInfoButton;
       moreInfoButton.onclick = function () {
        errorMoreInfo.removeAttribute('hidden');
        moreInfoButton.setAttribute('hidden', 'true');
        lessInfoButton.removeAttribute('hidden');
        errorMoreInfo.style.height = errorMoreInfo.scrollHeight + 'px';
       };
       lessInfoButton.onclick = function () {
        errorMoreInfo.setAttribute('hidden', 'true');
        moreInfoButton.removeAttribute('hidden');
        lessInfoButton.setAttribute('hidden', 'true');
       };
       moreInfoButton.oncontextmenu = noContextMenuHandler;
       lessInfoButton.oncontextmenu = noContextMenuHandler;
       closeButton.oncontextmenu = noContextMenuHandler;
       moreInfoButton.removeAttribute('hidden');
       lessInfoButton.setAttribute('hidden', 'true');
       errorMoreInfo.value = moreInfoText;
      },
      progress: function pdfViewProgress(level) {
       var percent = Math.round(level * 100);
       if (percent > this.loadingBar.percent || isNaN(percent)) {
        this.loadingBar.percent = percent;
        if (pdfjsLib.PDFJS.disableAutoFetch && percent) {
         if (this.disableAutoFetchLoadingBarTimeout) {
          clearTimeout(this.disableAutoFetchLoadingBarTimeout);
          this.disableAutoFetchLoadingBarTimeout = null;
         }
         this.loadingBar.show();
         this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
          this.loadingBar.hide();
          this.disableAutoFetchLoadingBarTimeout = null;
         }.bind(this), DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
        }
       }
      },
      load: function pdfViewLoad(pdfDocument, scale) {
       var self = this;
       scale = scale || UNKNOWN_SCALE;
       this.pdfDocument = pdfDocument;
       this.pdfDocumentProperties.setDocumentAndUrl(pdfDocument, this.url);
       var downloadedPromise = pdfDocument.getDownloadInfo().then(function () {
        self.downloadComplete = true;
        self.loadingBar.hide();
       });
       this.toolbar.setPagesCount(pdfDocument.numPages, false);
       this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
       var id = this.documentFingerprint = pdfDocument.fingerprint;
       var store = this.store = new ViewHistory(id);
       var baseDocumentUrl;
       baseDocumentUrl = null;
       this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
       var pdfViewer = this.pdfViewer;
       pdfViewer.currentScale = scale;
       pdfViewer.setDocument(pdfDocument);
       var firstPagePromise = pdfViewer.firstPagePromise;
       var pagesPromise = pdfViewer.pagesPromise;
       var onePageRendered = pdfViewer.onePageRendered;
       this.pageRotation = 0;
       var pdfThumbnailViewer = this.pdfThumbnailViewer;
       pdfThumbnailViewer.setDocument(pdfDocument);
       firstPagePromise.then(function (pdfPage) {
        downloadedPromise.then(function () {
         self.eventBus.dispatch('documentload', { source: self });
        });
        self.loadingBar.setWidth(self.appConfig.viewerContainer);
        if (!pdfjsLib.PDFJS.disableHistory && !self.isViewerEmbedded) {
         if (!self.viewerPrefs['showPreviousViewOnLoad']) {
          self.pdfHistory.clearHistoryState();
         }
         self.pdfHistory.initialize(self.documentFingerprint);
         if (self.pdfHistory.initialDestination) {
          self.initialDestination = self.pdfHistory.initialDestination;
         } else if (self.pdfHistory.initialBookmark) {
          self.initialBookmark = self.pdfHistory.initialBookmark;
         }
        }
        var initialParams = {
         destination: self.initialDestination,
         bookmark: self.initialBookmark,
         hash: null
        };
        store.initializedPromise.then(function resolved() {
         var storedHash = null, sidebarView = null;
         if (self.viewerPrefs['showPreviousViewOnLoad'] && store.get('exists', false)) {
          var pageNum = store.get('page', '1');
          var zoom = self.viewerPrefs['defaultZoomValue'] || store.get('zoom', DEFAULT_SCALE_VALUE);
          var left = store.get('scrollLeft', '0');
          var top = store.get('scrollTop', '0');
          storedHash = 'page=' + pageNum + '&zoom=' + zoom + ',' + left + ',' + top;
          sidebarView = store.get('sidebarView', SidebarView.NONE);
         } else if (self.viewerPrefs['defaultZoomValue']) {
          storedHash = 'page=1&zoom=' + self.viewerPrefs['defaultZoomValue'];
         }
         self.setInitialView(storedHash, {
          scale: scale,
          sidebarView: sidebarView
         });
         initialParams.hash = storedHash;
         if (!self.isViewerEmbedded) {
          self.pdfViewer.focus();
         }
        }, function rejected(reason) {
         console.error(reason);
         self.setInitialView(null, { scale: scale });
        });
        pagesPromise.then(function resolved() {
         if (!initialParams.destination && !initialParams.bookmark && !initialParams.hash) {
          return;
         }
         if (self.hasEqualPageSizes) {
          return;
         }
         self.initialDestination = initialParams.destination;
         self.initialBookmark = initialParams.bookmark;
         self.pdfViewer.currentScaleValue = self.pdfViewer.currentScaleValue;
         self.setInitialView(initialParams.hash);
        });
       });
       pdfDocument.getPageLabels().then(function (labels) {
        if (!labels || self.viewerPrefs['disablePageLabels']) {
         return;
        }
        var i = 0, numLabels = labels.length;
        if (numLabels !== self.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);
        self.toolbar.setPagesCount(pdfDocument.numPages, true);
        self.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
       });
       pagesPromise.then(function () {
        if (self.supportsPrinting) {
         pdfDocument.getJavaScript().then(function (javaScript) {
          if (javaScript.length) {
           console.warn('Warning: JavaScript is not supported');
           self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
          }
          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,
        animationStarted
       ]).then(function () {
        pdfDocument.getOutline().then(function (outline) {
         self.pdfOutlineViewer.render({ outline: outline });
        });
        pdfDocument.getAttachments().then(function (attachments) {
         self.pdfAttachmentViewer.render({ attachments: attachments });
        });
       });
       pdfDocument.getMetadata().then(function (data) {
        var info = data.info, metadata = data.metadata;
        self.documentInfo = info;
        self.metadata = metadata;
        console.log('PDF ' + pdfDocument.fingerprint + ' [' + info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() + ' / ' + (info.Creator || '-').trim() + ']' + ' (PDF.js: ' + (pdfjsLib.version || '-') + (!pdfjsLib.PDFJS.disableWebGL ? ' [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) {
         self.setTitle(pdfTitle + ' - ' + document.title);
        }
        if (info.IsAcroFormPresent) {
         console.warn('Warning: AcroForm/XFA is not supported');
         self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.forms);
        }
       });
      },
      setInitialView: function pdfViewSetInitialView(storedHash, options) {
       var scale = options && options.scale;
       var sidebarView = options && options.sidebarView;
       this.isInitialViewSet = true;
       this.pdfSidebar.setInitialView(this.viewerPrefs['sidebarViewOnLoad'] || sidebarView | 0);
       if (this.initialDestination) {
        this.pdfLinkService.navigateTo(this.initialDestination);
        this.initialDestination = null;
       } else if (this.initialBookmark) {
        this.pdfLinkService.setHash(this.initialBookmark);
        this.pdfHistory.push({ hash: this.initialBookmark }, true);
        this.initialBookmark = null;
       } else if (storedHash) {
        this.pdfLinkService.setHash(storedHash);
       } else if (scale) {
        this.pdfViewer.currentScaleValue = scale;
        this.page = 1;
       }
       this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
       this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
       if (!this.pdfViewer.currentScaleValue) {
        this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
       }
      },
      cleanup: function pdfViewCleanup() {
       if (!this.pdfDocument) {
        return;
       }
       this.pdfViewer.cleanup();
       this.pdfThumbnailViewer.cleanup();
       if (this.pdfViewer.renderer !== RendererType.SVG) {
        this.pdfDocument.cleanup();
       }
      },
      forceRendering: function pdfViewForceRendering() {
       this.pdfRenderingQueue.printing = this.printing;
       this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
       this.pdfRenderingQueue.renderHighestPriority();
      },
      beforePrint: function pdfViewSetupBeforePrint() {
       if (this.printService) {
        return;
       }
       if (!this.supportsPrinting) {
        var printMessage = mozL10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by this browser.');
        this.error(printMessage);
        return;
       }
       if (!this.pdfViewer.pageViewsReady) {
        var notReadyMessage = mozL10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.');
        window.alert(notReadyMessage);
        return;
       }
       var pagesOverview = this.pdfViewer.getPagesOverview();
       var printContainer = this.appConfig.printContainer;
       var printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer);
       this.printService = printService;
       this.forceRendering();
       printService.layout();
      },
      get hasEqualPageSizes() {
       var firstPage = this.pdfViewer.getPageView(0);
       for (var i = 1, ii = this.pagesCount; i < ii; ++i) {
        var pageView = this.pdfViewer.getPageView(i);
        if (pageView.width !== firstPage.width || pageView.height !== firstPage.height) {
         return false;
        }
       }
       return true;
      },
      afterPrint: function pdfViewSetupAfterPrint() {
       if (this.printService) {
        this.printService.destroy();
        this.printService = null;
       }
       this.forceRendering();
      },
      rotatePages: function pdfViewRotatePages(delta) {
       var pageNumber = this.page;
       this.pageRotation = (this.pageRotation + 360 + delta) % 360;
       this.pdfViewer.pagesRotation = this.pageRotation;
       this.pdfThumbnailViewer.pagesRotation = this.pageRotation;
       this.forceRendering();
       this.pdfViewer.currentPageNumber = pageNumber;
      },
      requestPresentationMode: function pdfViewRequestPresentationMode() {
       if (!this.pdfPresentationMode) {
        return;
       }
       this.pdfPresentationMode.request();
      },
      bindEvents: function pdfViewBindEvents() {
       var eventBus = this.eventBus;
       eventBus.on('resize', webViewerResize);
       eventBus.on('hashchange', webViewerHashchange);
       eventBus.on('beforeprint', this.beforePrint.bind(this));
       eventBus.on('afterprint', this.afterPrint.bind(this));
       eventBus.on('pagerendered', webViewerPageRendered);
       eventBus.on('textlayerrendered', webViewerTextLayerRendered);
       eventBus.on('updateviewarea', webViewerUpdateViewarea);
       eventBus.on('pagechanging', webViewerPageChanging);
       eventBus.on('scalechanging', webViewerScaleChanging);
       eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged);
       eventBus.on('pagemode', webViewerPageMode);
       eventBus.on('namedaction', webViewerNamedAction);
       eventBus.on('presentationmodechanged', webViewerPresentationModeChanged);
       eventBus.on('presentationmode', webViewerPresentationMode);
       eventBus.on('openfile', webViewerOpenFile);
       eventBus.on('print', webViewerPrint);
       eventBus.on('download', webViewerDownload);
       eventBus.on('firstpage', webViewerFirstPage);
       eventBus.on('lastpage', webViewerLastPage);
       eventBus.on('nextpage', webViewerNextPage);
       eventBus.on('previouspage', webViewerPreviousPage);
       eventBus.on('zoomin', webViewerZoomIn);
       eventBus.on('zoomout', webViewerZoomOut);
       eventBus.on('pagenumberchanged', webViewerPageNumberChanged);
       eventBus.on('scalechanged', webViewerScaleChanged);
       eventBus.on('rotatecw', webViewerRotateCw);
       eventBus.on('rotateccw', webViewerRotateCcw);
       eventBus.on('documentproperties', webViewerDocumentProperties);
       eventBus.on('find', webViewerFind);
       eventBus.on('findfromurlhash', webViewerFindFromUrlHash);
       eventBus.on('fileinputchange', webViewerFileInputChange);
      },
      bindWindowEvents: function pdfViewBindWindowEvents() {
       var eventBus = this.eventBus;
       window.addEventListener('wheel', webViewerWheel);
       window.addEventListener('click', webViewerClick);
       window.addEventListener('keydown', webViewerKeyDown);
       window.addEventListener('resize', function windowResize() {
        eventBus.dispatch('resize');
       });
       window.addEventListener('hashchange', function windowHashChange() {
        eventBus.dispatch('hashchange', { hash: document.location.hash.substring(1) });
       });
       window.addEventListener('beforeprint', function windowBeforePrint() {
        eventBus.dispatch('beforeprint');
       });
       window.addEventListener('afterprint', function windowAfterPrint() {
        eventBus.dispatch('afterprint');
       });
       window.addEventListener('change', function windowChange(evt) {
        var files = evt.target.files;
        if (!files || files.length === 0) {
         return;
        }
        eventBus.dispatch('fileinputchange', { fileInput: evt.target });
       });
      }
     };
     var validateFileURL;
     var HOSTED_VIEWER_ORIGINS = [
      'null',
      'http://mozilla.github.io',
      'https://mozilla.github.io',
      'https://hive-testing.s3.amazonaws.com'
     ];
     validateFileURL = function validateFileURL(file) {
      try {
       var viewerOrigin = new URL(window.location.href).origin || 'null';
       if (HOSTED_VIEWER_ORIGINS.indexOf(viewerOrigin) >= 0) {
        return;
       }
       var fileOrigin = new URL(file, window.location.href).origin;
       if (fileOrigin !== viewerOrigin) {
        throw new Error('file origin does not match viewer\'s');
       }
      } catch (e) {
       var message = e && e.message;
       var loadingErrorMessage = mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.');
       var moreInfo = { message: message };
       PDFViewerApplication.error(loadingErrorMessage, moreInfo);
       throw e;
      }
     };
     function loadAndEnablePDFBug(enabledTabs) {
      return new Promise(function (resolve, reject) {
       var appConfig = PDFViewerApplication.appConfig;
       var script = document.createElement('script');
       script.src = appConfig.debuggerScriptPath;
       script.onload = function () {
        PDFBug.enable(enabledTabs);
        PDFBug.init(pdfjsLib, appConfig.mainContainer);
        resolve();
       };
       script.onerror = function () {
        reject(new Error('Cannot load debugger at ' + script.src));
       };
       (document.getElementsByTagName('head')[0] || document.body).appendChild(script);
      });
     }
     function webViewerInitialized() {
      var file;
      var queryString = document.location.search.substring(1);
      var params = parseQueryString(queryString);
      file = 'file' in params ? params.file : DEFAULT_URL;
      validateFileURL(file);
      var waitForBeforeOpening = [];
      var appConfig = PDFViewerApplication.appConfig;
      var fileInput = document.createElement('input');
      fileInput.id = appConfig.openFileInputName;
      fileInput.className = 'fileInput';
      fileInput.setAttribute('type', 'file');
      fileInput.oncontextmenu = 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;
      }
      var PDFJS = pdfjsLib.PDFJS;
      if (PDFViewerApplication.viewerPrefs['pdfBugEnabled']) {
       var hash = document.location.hash.substring(1);
       var hashParams = parseQueryString(hash);
       if ('disableworker' in hashParams) {
        PDFJS.disableWorker = hashParams['disableworker'] === 'true';
       }
       if ('disablerange' in hashParams) {
        PDFJS.disableRange = hashParams['disablerange'] === 'true';
       }
       if ('disablestream' in hashParams) {
        PDFJS.disableStream = hashParams['disablestream'] === 'true';
       }
       if ('disableautofetch' in hashParams) {
        PDFJS.disableAutoFetch = hashParams['disableautofetch'] === 'true';
       }
       if ('disablefontface' in hashParams) {
        PDFJS.disableFontFace = hashParams['disablefontface'] === 'true';
       }
       if ('disablehistory' in hashParams) {
        PDFJS.disableHistory = hashParams['disablehistory'] === 'true';
       }
       if ('webgl' in hashParams) {
        PDFJS.disableWebGL = hashParams['webgl'] !== 'true';
       }
       if ('useonlycsszoom' in hashParams) {
        PDFJS.useOnlyCssZoom = hashParams['useonlycsszoom'] === 'true';
       }
       if ('verbosity' in hashParams) {
        PDFJS.verbosity = hashParams['verbosity'] | 0;
       }
       if ('ignorecurrentpositiononzoom' in hashParams) {
        PDFJS.ignoreCurrentPositionOnZoom = hashParams['ignorecurrentpositiononzoom'] === 'true';
       }
       if ('locale' in hashParams) {
        PDFJS.locale = hashParams['locale'];
       }
       if ('textlayer' in hashParams) {
        switch (hashParams['textlayer']) {
        case 'off':
         PDFJS.disableTextLayer = true;
         break;
        case 'visible':
        case 'shadow':
        case 'hover':
         var viewer = appConfig.viewerContainer;
         viewer.classList.add('textLayer-' + hashParams['textlayer']);
         break;
        }
       }
       if ('pdfbug' in hashParams) {
        PDFJS.pdfBug = true;
        var pdfBug = hashParams['pdfbug'];
        var enabled = pdfBug.split(',');
        waitForBeforeOpening.push(loadAndEnablePDFBug(enabled));
       }
      }
      mozL10n.setLanguage(PDFJS.locale);
      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.sidebar.mainContainer.addEventListener('transitionend', function (e) {
       if (e.target === this) {
        PDFViewerApplication.eventBus.dispatch('resize');
       }
      }, true);
      appConfig.sidebar.toggleButton.addEventListener('click', function () {
       PDFViewerApplication.pdfSidebar.toggle();
      });
      Promise.all(waitForBeforeOpening).then(function () {
       webViewerOpenFileViaURL(file);
      }).catch(function (reason) {
       PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while opening.'), 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));
       };
       try {
        xhr.open('GET', file);
        xhr.responseType = 'arraybuffer';
        xhr.send();
       } catch (e) {
        PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.'), e);
       }
       return;
      }
      if (file) {
       PDFViewerApplication.open(file);
      }
     };
     function webViewerPageRendered(e) {
      var pageNumber = e.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 (pdfjsLib.PDFJS.pdfBug && Stats.enabled && pageView.stats) {
       Stats.add(pageNumber, pageView.stats);
      }
      if (pageView.error) {
       PDFViewerApplication.error(mozL10n.get('rendering_error', null, 'An error occurred while rendering the page.'), pageView.error);
      }
     }
     function webViewerTextLayerRendered(e) {
     }
     function webViewerPageMode(e) {
      var mode = e.mode, view;
      switch (mode) {
      case 'thumbs':
       view = SidebarView.THUMBS;
       break;
      case 'bookmarks':
      case 'outline':
       view = SidebarView.OUTLINE;
       break;
      case 'attachments':
       view = SidebarView.ATTACHMENTS;
       break;
      case 'none':
       view = SidebarView.NONE;
       break;
      default:
       console.error('Invalid "pagemode" hash parameter: ' + mode);
       return;
      }
      PDFViewerApplication.pdfSidebar.switchView(view, true);
     }
     function webViewerNamedAction(e) {
      var action = e.action;
      switch (action) {
      case 'GoToPage':
       PDFViewerApplication.appConfig.toolbar.pageNumber.select();
       break;
      case 'Find':
       if (!PDFViewerApplication.supportsIntegratedFind) {
        PDFViewerApplication.findBar.toggle();
       }
       break;
      }
     }
     function webViewerPresentationModeChanged(e) {
      var active = e.active;
      var switchInProgress = e.switchInProgress;
      PDFViewerApplication.pdfViewer.presentationModeState = switchInProgress ? PresentationModeState.CHANGING : active ? PresentationModeState.FULLSCREEN : PresentationModeState.NORMAL;
     }
     function webViewerSidebarViewChanged(e) {
      PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
      var store = PDFViewerApplication.store;
      if (!store || !PDFViewerApplication.isInitialViewSet) {
       return;
      }
      store.initializedPromise.then(function () {
       store.set('sidebarView', e.view).catch(function () {
       });
      });
     }
     function webViewerUpdateViewarea(e) {
      var location = e.location, store = PDFViewerApplication.store;
      if (store) {
       store.initializedPromise.then(function () {
        store.setMultiple({
         'exists': true,
         'page': location.pageNumber,
         'zoom': location.scale,
         'scrollLeft': location.left,
         'scrollTop': location.top
        }).catch(function () {
        });
       });
      }
      var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
      PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
      PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
      PDFViewerApplication.pdfHistory.updateCurrentBookmark(location.pdfOpenParams, location.pageNumber);
      var currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
      var loading = currentPage.renderingState !== RenderingStates.FINISHED;
      PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
     }
     function webViewerResize() {
      var currentScaleValue = PDFViewerApplication.pdfViewer.currentScaleValue;
      if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') {
       PDFViewerApplication.pdfViewer.currentScaleValue = currentScaleValue;
      } else if (!currentScaleValue) {
       PDFViewerApplication.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
      }
      PDFViewerApplication.pdfViewer.update();
     }
     function webViewerHashchange(e) {
      if (PDFViewerApplication.pdfHistory.isHashChangeUnlocked) {
       var hash = e.hash;
       if (!hash) {
        return;
       }
       if (!PDFViewerApplication.isInitialViewSet) {
        PDFViewerApplication.initialBookmark = hash;
       } else {
        PDFViewerApplication.pdfLinkService.setHash(hash);
       }
      }
     }
     var webViewerFileInputChange;
     webViewerFileInputChange = function webViewerFileInputChange(e) {
      var file = e.fileInput.files[0];
      if (!pdfjsLib.PDFJS.disableCreateObjectURL && typeof URL !== 'undefined' && URL.createObjectURL) {
       PDFViewerApplication.open(URL.createObjectURL(file));
      } else {
       var fileReader = new FileReader();
       fileReader.onload = function webViewerChangeFileReaderOnload(evt) {
        var buffer = evt.target.result;
        var uint8Array = new Uint8Array(buffer);
        PDFViewerApplication.open(uint8Array);
       };
       fileReader.readAsArrayBuffer(file);
      }
      PDFViewerApplication.setTitleUsingUrl(file.name);
      var appConfig = PDFViewerApplication.appConfig;
      appConfig.toolbar.viewBookmark.setAttribute('hidden', 'true');
      appConfig.secondaryToolbar.viewBookmarkButton.setAttribute('hidden', 'true');
      appConfig.toolbar.download.setAttribute('hidden', 'true');
      appConfig.secondaryToolbar.downloadButton.setAttribute('hidden', 'true');
     };
     function webViewerPresentationMode() {
      PDFViewerApplication.requestPresentationMode();
     }
     function webViewerOpenFile() {
      var openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
      document.getElementById(openFileInputName).click();
     }
     function webViewerPrint() {
      window.print();
     }
     function webViewerDownload() {
      PDFViewerApplication.download();
     }
     function webViewerFirstPage() {
      if (PDFViewerApplication.pdfDocument) {
       PDFViewerApplication.page = 1;
      }
     }
     function webViewerLastPage() {
      if (PDFViewerApplication.pdfDocument) {
       PDFViewerApplication.page = PDFViewerApplication.pagesCount;
      }
     }
     function webViewerNextPage() {
      PDFViewerApplication.page++;
     }
     function webViewerPreviousPage() {
      PDFViewerApplication.page--;
     }
     function webViewerZoomIn() {
      PDFViewerApplication.zoomIn();
     }
     function webViewerZoomOut() {
      PDFViewerApplication.zoomOut();
     }
     function webViewerPageNumberChanged(e) {
      var pdfViewer = PDFViewerApplication.pdfViewer;
      pdfViewer.currentPageLabel = e.value;
      if (e.value !== pdfViewer.currentPageNumber.toString() && e.value !== pdfViewer.currentPageLabel) {
       PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
      }
     }
     function webViewerScaleChanged(e) {
      PDFViewerApplication.pdfViewer.currentScaleValue = e.value;
     }
     function webViewerRotateCw() {
      PDFViewerApplication.rotatePages(90);
     }
     function webViewerRotateCcw() {
      PDFViewerApplication.rotatePages(-90);
     }
     function webViewerDocumentProperties() {
      PDFViewerApplication.pdfDocumentProperties.open();
     }
     function webViewerFind(e) {
      PDFViewerApplication.findController.executeCommand('find' + e.type, {
       query: e.query,
       phraseSearch: e.phraseSearch,
       caseSensitive: e.caseSensitive,
       highlightAll: e.highlightAll,
       findPrevious: e.findPrevious
      });
     }
     function webViewerFindFromUrlHash(e) {
      PDFViewerApplication.findController.executeCommand('find', {
       query: e.query,
       phraseSearch: e.phraseSearch,
       caseSensitive: false,
       highlightAll: true,
       findPrevious: false
      });
     }
     function webViewerScaleChanging(e) {
      PDFViewerApplication.toolbar.setPageScale(e.presetValue, e.scale);
      PDFViewerApplication.pdfViewer.update();
     }
     function webViewerPageChanging(e) {
      var page = e.pageNumber;
      PDFViewerApplication.toolbar.setPageNumber(page, e.pageLabel || null);
      PDFViewerApplication.secondaryToolbar.setPageNumber(page);
      if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
       PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
      }
      if (pdfjsLib.PDFJS.pdfBug && Stats.enabled) {
       var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
       if (pageView.stats) {
        Stats.add(page, pageView.stats);
       }
      }
     }
     var zoomDisabled = false, zoomDisabledTimeout;
     function webViewerWheel(evt) {
      var pdfViewer = PDFViewerApplication.pdfViewer;
      if (pdfViewer.isInPresentationMode) {
       return;
      }
      if (evt.ctrlKey || evt.metaKey) {
       var support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys;
       if (evt.ctrlKey && !support.ctrlKey || evt.metaKey && !support.metaKey) {
        return;
       }
       evt.preventDefault();
       if (zoomDisabled) {
        return;
       }
       var previousScale = pdfViewer.currentScale;
       var delta = normalizeWheelEventDelta(evt);
       var MOUSE_WHEEL_DELTA_PER_PAGE_SCALE = 3.0;
       var ticks = delta * MOUSE_WHEEL_DELTA_PER_PAGE_SCALE;
       if (ticks < 0) {
        PDFViewerApplication.zoomOut(-ticks);
       } else {
        PDFViewerApplication.zoomIn(ticks);
       }
       var currentScale = pdfViewer.currentScale;
       if (previousScale !== currentScale) {
        var scaleCorrectionFactor = currentScale / previousScale - 1;
        var rect = pdfViewer.container.getBoundingClientRect();
        var dx = evt.clientX - rect.left;
        var dy = evt.clientY - rect.top;
        pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
        pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
       }
      } else {
       zoomDisabled = true;
       clearTimeout(zoomDisabledTimeout);
       zoomDisabledTimeout = setTimeout(function () {
        zoomDisabled = false;
       }, 1000);
      }
     }
     function webViewerClick(evt) {
      if (!PDFViewerApplication.secondaryToolbar.isOpen) {
       return;
      }
      var appConfig = PDFViewerApplication.appConfig;
      if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
       PDFViewerApplication.secondaryToolbar.close();
      }
     }
     function webViewerKeyDown(evt) {
      if (OverlayManager.active) {
       return;
      }
      var handled = false, ensureViewerFocused = false;
      var cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
      var pdfViewer = PDFViewerApplication.pdfViewer;
      var isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;
      if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
       switch (evt.keyCode) {
       case 70:
        if (!PDFViewerApplication.supportsIntegratedFind) {
         PDFViewerApplication.findBar.open();
         handled = true;
        }
        break;
       case 71:
        if (!PDFViewerApplication.supportsIntegratedFind) {
         var findState = PDFViewerApplication.findController.state;
         if (findState) {
          PDFViewerApplication.findController.executeCommand('findagain', {
           query: findState.query,
           phraseSearch: findState.phraseSearch,
           caseSensitive: findState.caseSensitive,
           highlightAll: findState.highlightAll,
           findPrevious: cmd === 5 || cmd === 12
          });
         }
         handled = true;
        }
        break;
       case 61:
       case 107:
       case 187:
       case 171:
        if (!isViewerInPresentationMode) {
         PDFViewerApplication.zoomIn();
        }
        handled = true;
        break;
       case 173:
       case 109:
       case 189:
        if (!isViewerInPresentationMode) {
         PDFViewerApplication.zoomOut();
        }
        handled = true;
        break;
       case 48:
       case 96:
        if (!isViewerInPresentationMode) {
         setTimeout(function () {
          pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
         });
         handled = false;
        }
        break;
       case 38:
        if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
         PDFViewerApplication.page = 1;
         handled = true;
         ensureViewerFocused = true;
        }
        break;
       case 40:
        if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
         PDFViewerApplication.page = PDFViewerApplication.pagesCount;
         handled = true;
         ensureViewerFocused = true;
        }
        break;
       }
      }
      if (cmd === 1 || cmd === 8) {
       switch (evt.keyCode) {
       case 83:
        PDFViewerApplication.download();
        handled = true;
        break;
       }
      }
      if (cmd === 3 || cmd === 10) {
       switch (evt.keyCode) {
       case 80:
        PDFViewerApplication.requestPresentationMode();
        handled = true;
        break;
       case 71:
        PDFViewerApplication.appConfig.toolbar.pageNumber.select();
        handled = true;
        break;
       }
      }
      if (handled) {
       if (ensureViewerFocused && !isViewerInPresentationMode) {
        pdfViewer.focus();
       }
       evt.preventDefault();
       return;
      }
      var curElement = document.activeElement || document.querySelector(':focus');
      var curElementTagName = curElement && curElement.tagName.toUpperCase();
      if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT') {
       if (evt.keyCode !== 27) {
        return;
       }
      }
      if (cmd === 0) {
       switch (evt.keyCode) {
       case 38:
       case 33:
       case 8:
        if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
         break;
        }
       case 37:
        if (pdfViewer.isHorizontalScrollbarEnabled) {
         break;
        }
       case 75:
       case 80:
        if (PDFViewerApplication.page > 1) {
         PDFViewerApplication.page--;
        }
        handled = true;
        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:
       case 32:
        if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
         break;
        }
       case 39:
        if (pdfViewer.isHorizontalScrollbarEnabled) {
         break;
        }
       case 74:
       case 78:
        if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
         PDFViewerApplication.page++;
        }
        handled = true;
        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 72:
        if (!isViewerInPresentationMode) {
         PDFViewerApplication.handTool.toggle();
        }
        break;
       case 82:
        PDFViewerApplication.rotatePages(90);
        break;
       }
      }
      if (cmd === 4) {
       switch (evt.keyCode) {
       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 (cmd === 2) {
       switch (evt.keyCode) {
       case 37:
        if (isViewerInPresentationMode) {
         PDFViewerApplication.pdfHistory.back();
         handled = true;
        }
        break;
       case 39:
        if (isViewerInPresentationMode) {
         PDFViewerApplication.pdfHistory.forward();
         handled = true;
        }
        break;
       }
      }
      if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
       pdfViewer.focus();
      }
      if (handled) {
       evt.preventDefault();
      }
     }
     localized.then(function webViewerLocalized() {
      document.getElementsByTagName('html')[0].dir = mozL10n.getDirection();
     });
     var PDFPrintServiceFactory = {
      instance: {
       supportsPrinting: false,
       createPrintService: function () {
        throw new Error('Not implemented: createPrintService');
       }
      }
     };
     exports.PDFViewerApplication = PDFViewerApplication;
     exports.DefaultExernalServices = DefaultExernalServices;
     exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
    }));
    (function (root, factory) {
     factory(root.pdfjsWebPDFPrintService = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager, root.pdfjsWebApp, root.pdfjsWebPDFJS);
    }(this, function (exports, uiUtils, overlayManager, app, pdfjsLib) {
     var mozL10n = uiUtils.mozL10n;
     var CSS_UNITS = uiUtils.CSS_UNITS;
     var PDFPrintServiceFactory = app.PDFPrintServiceFactory;
     var OverlayManager = overlayManager.OverlayManager;
     var activeService = 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 * CSS_UNITS) + 'px';
      var height = Math.floor(size.height * CSS_UNITS) + 'px';
      var ctx = scratchCanvas.getContext('2d');
      ctx.save();
      ctx.fillStyle = 'rgb(255, 255, 255)';
      ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
      ctx.restore();
      return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
       var renderContext = {
        canvasContext: ctx,
        transform: [
         PRINT_UNITS,
         0,
         0,
         PRINT_UNITS,
         0,
         0
        ],
        viewport: pdfPage.getViewport(1),
        intent: 'print'
       };
       return pdfPage.render(renderContext).promise;
      }).then(function () {
       return {
        width: width,
        height: height
       };
      });
     }
     function PDFPrintService(pdfDocument, pagesOverview, printContainer) {
      this.pdfDocument = pdfDocument;
      this.pagesOverview = pagesOverview;
      this.printContainer = printContainer;
      this.currentPage = -1;
      this.scratchCanvas = document.createElement('canvas');
     }
     PDFPrintService.prototype = {
      layout: function () {
       this.throwIfInactive();
       var pdfDocument = this.pdfDocument;
       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 () {
       if (activeService !== this) {
        return;
       }
       this.printContainer.textContent = '';
       if (this.pageStyleSheet && this.pageStyleSheet.parentNode) {
        this.pageStyleSheet.parentNode.removeChild(this.pageStyleSheet);
        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 () {
       var pageCount = this.pagesOverview.length;
       var renderNextPage = function (resolve, reject) {
        this.throwIfInactive();
        if (++this.currentPage >= pageCount) {
         renderProgress(pageCount, pageCount);
         resolve();
         return;
        }
        var index = this.currentPage;
        renderProgress(index, pageCount);
        renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index]).then(this.useRenderedPage.bind(this)).then(function () {
         renderNextPage(resolve, reject);
        }, reject);
       }.bind(this);
       return new Promise(renderNextPage);
      },
      useRenderedPage: function (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 && !pdfjsLib.PDFJS.disableCreateObjectURL) {
        scratchCanvas.toBlob(function (blob) {
         img.src = 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 () {
       this.throwIfInactive();
       return new Promise(function (resolve) {
        setTimeout(function () {
         if (!this.active) {
          resolve();
          return;
         }
         print.call(window);
         setTimeout(resolve, 20);
        }.bind(this), 0);
       }.bind(this));
      },
      get active() {
       return this === activeService;
      },
      throwIfInactive: function () {
       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.');
        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) {
      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;
      progressPerc.textContent = mozL10n.get('print_progress_percent', { progress: progress }, progress + '%');
     }
     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 (event) {
       if (event.detail !== 'custom' && event.stopImmediatePropagation) {
        event.stopImmediatePropagation();
       }
      };
      window.addEventListener('beforeprint', stopPropagationIfNeeded);
      window.addEventListener('afterprint', stopPropagationIfNeeded);
     }
     var overlayPromise;
     function ensureOverlay() {
      if (!overlayPromise) {
       overlayPromise = OverlayManager.register('printServiceOverlay', document.getElementById('printServiceOverlay'), abort, true);
       document.getElementById('printCancel').onclick = abort;
      }
      return overlayPromise;
     }
     PDFPrintServiceFactory.instance = {
      supportsPrinting: true,
      createPrintService: function (pdfDocument, pagesOverview, printContainer) {
       if (activeService) {
        throw new Error('The print service is created and active.');
       }
       activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer);
       return activeService;
      }
     };
     exports.PDFPrintService = PDFPrintService;
    }));
   }.call(pdfjsWebLibs));
  }
  ;
  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'),
     toggleHandToolButton: document.getElementById('toggleHandTool'),
     documentPropertiesButton: document.getElementById('documentProperties')
    },
    fullscreen: {
     contextFirstPage: document.getElementById('contextFirstPage'),
     contextLastPage: document.getElementById('contextLastPage'),
     contextPageRotateCw: document.getElementById('contextPageRotateCw'),
     contextPageRotateCcw: document.getElementById('contextPageRotateCcw')
    },
    sidebar: {
     mainContainer: document.getElementById('mainContainer'),
     outerContainer: document.getElementById('outerContainer'),
     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')
    },
    findBar: {
     bar: document.getElementById('findbar'),
     toggleButton: document.getElementById('viewFind'),
     findField: document.getElementById('findInput'),
     highlightAllCheckbox: document.getElementById('findHighlightAll'),
     caseSensitiveCheckbox: document.getElementById('findMatchCase'),
     findMsg: document.getElementById('findMsg'),
     findResultsCount: document.getElementById('findResultsCount'),
     findStatusIcon: document.getElementById('findStatusIcon'),
     findPreviousButton: document.getElementById('findPrevious'),
     findNextButton: document.getElementById('findNext')
    },
    passwordOverlay: {
     overlayName: 'passwordOverlay',
     container: document.getElementById('passwordOverlay'),
     label: document.getElementById('passwordText'),
     input: document.getElementById('password'),
     submitButton: document.getElementById('passwordSubmit'),
     cancelButton: document.getElementById('passwordCancel')
    },
    documentProperties: {
     overlayName: 'documentPropertiesOverlay',
     container: document.getElementById('documentPropertiesOverlay'),
     closeButton: document.getElementById('documentPropertiesClose'),
     fields: {
      'fileName': document.getElementById('fileNameField'),
      'fileSize': document.getElementById('fileSizeField'),
      'title': document.getElementById('titleField'),
      'author': document.getElementById('authorField'),
      'subject': document.getElementById('subjectField'),
      'keywords': document.getElementById('keywordsField'),
      'creationDate': document.getElementById('creationDateField'),
      'modificationDate': document.getElementById('modificationDateField'),
      'creator': document.getElementById('creatorField'),
      'producer': document.getElementById('producerField'),
      'version': document.getElementById('versionField'),
      'pageCount': document.getElementById('pageCountField')
     }
    },
    errorWrapper: {
     container: document.getElementById('errorWrapper'),
     errorMessage: document.getElementById('errorMessage'),
     closeButton: document.getElementById('errorClose'),
     errorMoreInfo: document.getElementById('errorMoreInfo'),
     moreInfoButton: document.getElementById('errorShowMore'),
     lessInfoButton: document.getElementById('errorShowLess')
    },
    printContainer: document.getElementById('printContainer'),
    openFileInputName: 'fileInput',
    debuggerScriptPath: './debugger.js'
   };
  }
  function webViewerLoad() {
   var config = getViewerConfiguration();
   window.PDFViewerApplication = pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication;
   pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication.run(config);
  }
  if (document.readyState === 'interactive' || document.readyState === 'complete') {
   webViewerLoad();
  } else {
   document.addEventListener('DOMContentLoaded', webViewerLoad, true);
  }
  