muk_web/muk_web_preview/static/lib/PDFjs/web/viewer.js

/* 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';
;
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 innerUrl;
	if(query.indexOf("?url=") > -1) {
		var parts = query.split('?url=');
		query = parts[0];
		innerUrl = parts[1];
	}
    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.slice(1, param.length).join("=") : null;
     params[decodeURIComponent(key)] = decodeURIComponent(value);
    }
    for(var key in params) {
    	if(!params.hasOwnProperty(key) || key === 'file') {
    		continue;
    	} else {
    		params.file += ('&' + key + '=' + params[key]);
    	}
    }
    if(params.file && innerUrl) {
    	params.file += ('?url=' + innerUrl); 
    }
    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 = './images/';
    PDFJS.workerSrc = '../build/pdf.worker.js';
    PDFJS.cMapUrl = '../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'
   ];
   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);
    if('file' in params) {
    	file = params.file;
    } else {
    	return;
    }
    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);
}