Revert "Add Basilisk"

This reverts commit e72ef92b5bdc43cd2584198e2e54e951b70299e8.

1 files changed, 0 insertions, 7371 deletions

diff --git a/application/basilisk/extensions/pdfjs/content/web/viewer.js b/application/basilisk/extensions/pdfjs/content/web/viewer.js
deleted file mode 100644
index d5bc00589..000000000
--- a/application/basilisk/extensions/pdfjs/content/web/viewer.js
+++ /dev/null
@@ -1,7371 +0,0 @@
-/* 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 DEFAULT_URL = 'compressed.tracemonkey-pldi-09.pdf';
-;
-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));
-    }
-   };
-   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);
-       sessionStorage.setItem('pdfjs.history', databaseStr);
-       resolve();
-      }.bind(this));
-     },
-     _readFromStorage: function ViewHistory_readFromStorage() {
-      return new Promise(function (resolve) {
-       resolve(sessionStorage.getItem('pdfjs.history'));
-      });
-     },
-     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 (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;
-   function getOutputScale(ctx) {
-    var devicePixelRatio = window.devicePixelRatio || 1;
-    var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
-    var pixelRatio = devicePixelRatio / backingStoreRatio;
-    return {
-     sx: pixelRatio,
-     sy: pixelRatio,
-     scaled: pixelRatio !== 1
-    };
-   }
-   function scrollIntoView(element, spot, skipOverflowHiddenElements) {
-    var parent = element.offsetParent;
-    if (!parent) {
-     console.error('offsetParent is not set -- cannot scroll');
-     return;
-    }
-    var checkOverflow = skipOverflowHiddenElements || false;
-    var offsetY = element.offsetTop + element.clientTop;
-    var offsetX = element.offsetLeft + element.clientLeft;
-    while (parent.clientHeight === parent.scrollHeight || checkOverflow && getComputedStyle(parent).overflow === 'hidden') {
-     if (parent.dataset._scaleY) {
-      offsetY /= parent.dataset._scaleY;
-      offsetX /= parent.dataset._scaleX;
-     }
-     offsetY += parent.offsetTop;
-     offsetX += parent.offsetLeft;
-     parent = parent.offsetParent;
-     if (!parent) {
-      return;
-     }
-    }
-    if (spot) {
-     if (spot.top !== undefined) {
-      offsetY += spot.top;
-     }
-     if (spot.left !== undefined) {
-      offsetX += spot.left;
-      parent.scrollLeft = offsetX;
-     }
-    }
-    parent.scrollTop = offsetY;
-   }
-   function watchScroll(viewAreaElement, callback) {
-    var debounceScroll = function debounceScroll(evt) {
-     if (rAF) {
-      return;
-     }
-     rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
-      rAF = null;
-      var currentY = viewAreaElement.scrollTop;
-      var lastY = state.lastY;
-      if (currentY !== lastY) {
-       state.down = currentY > lastY;
-      }
-      state.lastY = currentY;
-      callback(state);
-     });
-    };
-    var state = {
-     down: true,
-     lastY: viewAreaElement.scrollTop,
-     _eventHandler: debounceScroll
-    };
-    var rAF = null;
-    viewAreaElement.addEventListener('scroll', debounceScroll, true);
-    return state;
-   }
-   function parseQueryString(query) {
-    var parts = query.split('&');
-    var params = {};
-    for (var i = 0, ii = parts.length; i < ii; ++i) {
-     var param = parts[i].split('=');
-     var key = param[0].toLowerCase();
-     var value = param.length > 1 ? param[1] : null;
-     params[decodeURIComponent(key)] = decodeURIComponent(value);
-    }
-    return params;
-   }
-   function binarySearchFirstItem(items, condition) {
-    var minIndex = 0;
-    var maxIndex = items.length - 1;
-    if (items.length === 0 || !condition(items[maxIndex])) {
-     return items.length;
-    }
-    if (condition(items[minIndex])) {
-     return minIndex;
-    }
-    while (minIndex < maxIndex) {
-     var currentIndex = minIndex + maxIndex >> 1;
-     var currentItem = items[currentIndex];
-     if (condition(currentItem)) {
-      maxIndex = currentIndex;
-     } else {
-      minIndex = currentIndex + 1;
-     }
-    }
-    return minIndex;
-   }
-   function approximateFraction(x) {
-    if (Math.floor(x) === x) {
-     return [
-      x,
-      1
-     ];
-    }
-    var xinv = 1 / x;
-    var limit = 8;
-    if (xinv > limit) {
-     return [
-      1,
-      limit
-     ];
-    } else if (Math.floor(xinv) === xinv) {
-     return [
-      1,
-      xinv
-     ];
-    }
-    var x_ = x > 1 ? xinv : x;
-    var a = 0, b = 1, c = 1, d = 1;
-    while (true) {
-     var p = a + c, q = b + d;
-     if (q > limit) {
-      break;
-     }
-     if (x_ <= p / q) {
-      c = p;
-      d = q;
-     } else {
-      a = p;
-      b = q;
-     }
-    }
-    var result;
-    if (x_ - a / b < c / d - x_) {
-     result = x_ === x ? [
-      a,
-      b
-     ] : [
-      b,
-      a
-     ];
-    } else {
-     result = x_ === x ? [
-      c,
-      d
-     ] : [
-      d,
-      c
-     ];
-    }
-    return result;
-   }
-   function roundToDivide(x, div) {
-    var r = x % div;
-    return r === 0 ? x : Math.round(x - r + div);
-   }
-   function getVisibleElements(scrollEl, views, sortByVisibility) {
-    var top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight;
-    var left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth;
-    function isElementBottomBelowViewTop(view) {
-     var element = view.div;
-     var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
-     return elementBottom > top;
-    }
-    var visible = [], view, element;
-    var currentHeight, viewHeight, hiddenHeight, percentHeight;
-    var currentWidth, viewWidth;
-    var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop);
-    for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
-     view = views[i];
-     element = view.div;
-     currentHeight = element.offsetTop + element.clientTop;
-     viewHeight = element.clientHeight;
-     if (currentHeight > bottom) {
-      break;
-     }
-     currentWidth = element.offsetLeft + element.clientLeft;
-     viewWidth = element.clientWidth;
-     if (currentWidth + viewWidth < left || currentWidth > right) {
-      continue;
-     }
-     hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, currentHeight + viewHeight - bottom);
-     percentHeight = (viewHeight - hiddenHeight) * 100 / viewHeight | 0;
-     visible.push({
-      id: view.id,
-      x: currentWidth,
-      y: currentHeight,
-      view: view,
-      percent: percentHeight
-     });
-    }
-    var first = visible[0];
-    var last = visible[visible.length - 1];
-    if (sortByVisibility) {
-     visible.sort(function (a, b) {
-      var pc = a.percent - b.percent;
-      if (Math.abs(pc) > 0.001) {
-       return -pc;
-      }
-      return a.id - b.id;
-     });
-    }
-    return {
-     first: first,
-     last: last,
-     views: visible
-    };
-   }
-   function noContextMenuHandler(e) {
-    e.preventDefault();
-   }
-   function getPDFFileNameFromURL(url) {
-    var reURI = /^(?:([^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
-    var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
-    var splitURI = reURI.exec(url);
-    var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
-    if (suggestedFilename) {
-     suggestedFilename = suggestedFilename[0];
-     if (suggestedFilename.indexOf('%') !== -1) {
-      try {
-       suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
-      } catch (e) {
-      }
-     }
-    }
-    return suggestedFilename || 'document.pdf';
-   }
-   function normalizeWheelEventDelta(evt) {
-    var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
-    var angle = Math.atan2(evt.deltaY, evt.deltaX);
-    if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
-     delta = -delta;
-    }
-    var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
-    var MOUSE_DOM_DELTA_LINE_MODE = 1;
-    var MOUSE_PIXELS_PER_LINE = 30;
-    var MOUSE_LINES_PER_PAGE = 30;
-    if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
-     delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
-    } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
-     delta /= MOUSE_LINES_PER_PAGE;
-    }
-    return delta;
-   }
-   var animationStarted = new Promise(function (resolve) {
-    window.requestAnimationFrame(resolve);
-   });
-   var localized = new Promise(function (resolve, reject) {
-    if (!mozL10n) {
-     resolve();
-     return;
-    }
-    if (mozL10n.getReadyState() !== 'loading') {
-     resolve();
-     return;
-    }
-    window.addEventListener('localized', function localized(evt) {
-     resolve();
-    });
-   });
-   var EventBus = function EventBusClosure() {
-    function EventBus() {
-     this._listeners = Object.create(null);
-    }
-    EventBus.prototype = {
-     on: function EventBus_on(eventName, listener) {
-      var eventListeners = this._listeners[eventName];
-      if (!eventListeners) {
-       eventListeners = [];
-       this._listeners[eventName] = eventListeners;
-      }
-      eventListeners.push(listener);
-     },
-     off: function EventBus_on(eventName, listener) {
-      var eventListeners = this._listeners[eventName];
-      var i;
-      if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
-       return;
-      }
-      eventListeners.splice(i, 1);
-     },
-     dispatch: function EventBus_dispath(eventName) {
-      var eventListeners = this._listeners[eventName];
-      if (!eventListeners || eventListeners.length === 0) {
-       return;
-      }
-      var args = Array.prototype.slice.call(arguments, 1);
-      eventListeners.slice(0).forEach(function (listener) {
-       listener.apply(null, args);
-      });
-     }
-    };
-    return EventBus;
-   }();
-   var ProgressBar = function ProgressBarClosure() {
-    function clamp(v, min, max) {
-     return Math.min(Math.max(v, min), max);
-    }
-    function ProgressBar(id, opts) {
-     this.visible = true;
-     this.div = document.querySelector(id + ' .progress');
-     this.bar = this.div.parentNode;
-     this.height = opts.height || 100;
-     this.width = opts.width || 100;
-     this.units = opts.units || '%';
-     this.div.style.height = this.height + this.units;
-     this.percent = 0;
-    }
-    ProgressBar.prototype = {
-     updateBar: function ProgressBar_updateBar() {
-      if (this._indeterminate) {
-       this.div.classList.add('indeterminate');
-       this.div.style.width = this.width + this.units;
-       return;
-      }
-      this.div.classList.remove('indeterminate');
-      var progressSize = this.width * this._percent / 100;
-      this.div.style.width = progressSize + this.units;
-     },
-     get percent() {
-      return this._percent;
-     },
-     set percent(val) {
-      this._indeterminate = isNaN(val);
-      this._percent = clamp(val, 0, 100);
-      this.updateBar();
-     },
-     setWidth: function ProgressBar_setWidth(viewer) {
-      if (viewer) {
-       var container = viewer.parentNode;
-       var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
-       if (scrollbarWidth > 0) {
-        this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
-       }
-      }
-     },
-     hide: function ProgressBar_hide() {
-      if (!this.visible) {
-       return;
-      }
-      this.visible = false;
-      this.bar.classList.add('hidden');
-      document.body.classList.remove('loadingInProgress');
-     },
-     show: function ProgressBar_show() {
-      if (this.visible) {
-       return;
-      }
-      this.visible = true;
-      document.body.classList.add('loadingInProgress');
-      this.bar.classList.remove('hidden');
-     }
-    };
-    return ProgressBar;
-   }();
-   exports.CSS_UNITS = CSS_UNITS;
-   exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
-   exports.DEFAULT_SCALE = DEFAULT_SCALE;
-   exports.MIN_SCALE = MIN_SCALE;
-   exports.MAX_SCALE = MAX_SCALE;
-   exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
-   exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
-   exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
-   exports.VERTICAL_PADDING = VERTICAL_PADDING;
-   exports.RendererType = RendererType;
-   exports.mozL10n = mozL10n;
-   exports.EventBus = EventBus;
-   exports.ProgressBar = ProgressBar;
-   exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
-   exports.noContextMenuHandler = noContextMenuHandler;
-   exports.parseQueryString = parseQueryString;
-   exports.getVisibleElements = getVisibleElements;
-   exports.roundToDivide = roundToDivide;
-   exports.approximateFraction = approximateFraction;
-   exports.getOutputScale = getOutputScale;
-   exports.scrollIntoView = scrollIntoView;
-   exports.watchScroll = watchScroll;
-   exports.binarySearchFirstItem = binarySearchFirstItem;
-   exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
-   exports.animationStarted = animationStarted;
-   exports.localized = localized;
-  }));
-  (function (root, factory) {
-   factory(root.pdfjsWebDOMEvents = {}, root.pdfjsWebUIUtils);
-  }(this, function (exports, uiUtils) {
-   var EventBus = uiUtils.EventBus;
-   function attachDOMEventsToEventBus(eventBus) {
-    eventBus.on('documentload', function () {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('documentload', true, true, {});
-     window.dispatchEvent(event);
-    });
-    eventBus.on('pagerendered', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('pagerendered', true, true, {
-      pageNumber: e.pageNumber,
-      cssTransform: e.cssTransform
-     });
-     e.source.div.dispatchEvent(event);
-    });
-    eventBus.on('textlayerrendered', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('textlayerrendered', true, true, { pageNumber: e.pageNumber });
-     e.source.textLayerDiv.dispatchEvent(event);
-    });
-    eventBus.on('pagechange', function (e) {
-     var event = document.createEvent('UIEvents');
-     event.initUIEvent('pagechange', true, true, window, 0);
-     event.pageNumber = e.pageNumber;
-     e.source.container.dispatchEvent(event);
-    });
-    eventBus.on('pagesinit', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('pagesinit', true, true, null);
-     e.source.container.dispatchEvent(event);
-    });
-    eventBus.on('pagesloaded', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('pagesloaded', true, true, { pagesCount: e.pagesCount });
-     e.source.container.dispatchEvent(event);
-    });
-    eventBus.on('scalechange', function (e) {
-     var event = document.createEvent('UIEvents');
-     event.initUIEvent('scalechange', true, true, window, 0);
-     event.scale = e.scale;
-     event.presetValue = e.presetValue;
-     e.source.container.dispatchEvent(event);
-    });
-    eventBus.on('updateviewarea', function (e) {
-     var event = document.createEvent('UIEvents');
-     event.initUIEvent('updateviewarea', true, true, window, 0);
-     event.location = e.location;
-     e.source.container.dispatchEvent(event);
-    });
-    eventBus.on('find', function (e) {
-     if (e.source === window) {
-      return;
-     }
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('find' + e.type, true, true, {
-      query: e.query,
-      phraseSearch: e.phraseSearch,
-      caseSensitive: e.caseSensitive,
-      highlightAll: e.highlightAll,
-      findPrevious: e.findPrevious
-     });
-     window.dispatchEvent(event);
-    });
-    eventBus.on('attachmentsloaded', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: e.attachmentsCount });
-     e.source.container.dispatchEvent(event);
-    });
-    eventBus.on('sidebarviewchanged', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('sidebarviewchanged', true, true, { view: e.view });
-     e.source.outerContainer.dispatchEvent(event);
-    });
-    eventBus.on('pagemode', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('pagemode', true, true, { mode: e.mode });
-     e.source.pdfViewer.container.dispatchEvent(event);
-    });
-    eventBus.on('namedaction', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('namedaction', true, true, { action: e.action });
-     e.source.pdfViewer.container.dispatchEvent(event);
-    });
-    eventBus.on('presentationmodechanged', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('presentationmodechanged', true, true, {
-      active: e.active,
-      switchInProgress: e.switchInProgress
-     });
-     window.dispatchEvent(event);
-    });
-    eventBus.on('outlineloaded', function (e) {
-     var event = document.createEvent('CustomEvent');
-     event.initCustomEvent('outlineloaded', true, true, { outlineCount: e.outlineCount });
-     e.source.container.dispatchEvent(event);
-    });
-   }
-   var globalEventBus = null;
-   function getGlobalEventBus() {
-    if (globalEventBus) {
-     return globalEventBus;
-    }
-    globalEventBus = new EventBus();
-    attachDOMEventsToEventBus(globalEventBus);
-    return globalEventBus;
-   }
-   exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
-   exports.getGlobalEventBus = getGlobalEventBus;
-  }));
-  (function (root, factory) {
-   factory(root.pdfjsWebHandTool = {}, root.pdfjsWebGrabToPan, root.pdfjsWebPreferences, root.pdfjsWebUIUtils);
-  }(this, function (exports, grabToPan, preferences, uiUtils) {
-   var GrabToPan = grabToPan.GrabToPan;
-   var Preferences = preferences.Preferences;
-   var localized = uiUtils.localized;
-   var HandTool = function HandToolClosure() {
-    function HandTool(options) {
-     this.container = options.container;
-     this.eventBus = options.eventBus;
-     this.wasActive = false;
-     this.handTool = new GrabToPan({
-      element: this.container,
-      onActiveChanged: function (isActive) {
-       this.eventBus.dispatch('handtoolchanged', { isActive: isActive });
-      }.bind(this)
-     });
-     this.eventBus.on('togglehandtool', this.toggle.bind(this));
-     Promise.all([
-      localized,
-      Preferences.get('enableHandToolOnLoad')
-     ]).then(function resolved(values) {
-      if (values[1] === true) {
-       this.handTool.activate();
-      }
-     }.bind(this)).catch(function rejected(reason) {
-     });
-     this.eventBus.on('presentationmodechanged', function (e) {
-      if (e.switchInProgress) {
-       return;
-      }
-      if (e.active) {
-       this.enterPresentationMode();
-      } else {
-       this.exitPresentationMode();
-      }
-     }.bind(this));
-    }
-    HandTool.prototype = {
-     get isActive() {
-      return !!this.handTool.active;
-     },
-     toggle: function HandTool_toggle() {
-      this.handTool.toggle();
-     },
-     enterPresentationMode: function HandTool_enterPresentationMode() {
-      if (this.isActive) {
-       this.wasActive = true;
-       this.handTool.deactivate();
-      }
-     },
-     exitPresentationMode: function HandTool_exitPresentationMode() {
-      if (this.wasActive) {
-       this.wasActive = false;
-       this.handTool.activate();
-      }
-     }
-    };
-    return HandTool;
-   }();
-   exports.HandTool = HandTool;
-  }));
-  (function (root, factory) {
-   factory(root.pdfjsWebPasswordPrompt = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager, root.pdfjsWebPDFJS);
-  }(this, function (exports, uiUtils, overlayManager, pdfjsLib) {
-   var mozL10n = uiUtils.mozL10n;
-   var OverlayManager = overlayManager.OverlayManager;
-   var PasswordPrompt = function PasswordPromptClosure() {
-    function PasswordPrompt(options) {
-     this.overlayName = options.overlayName;
-     this.container = options.container;
-     this.label = options.label;
-     this.input = options.input;
-     this.submitButton = options.submitButton;
-     this.cancelButton = options.cancelButton;
-     this.updateCallback = null;
-     this.reason = null;
-     this.submitButton.addEventListener('click', this.verify.bind(this));
-     this.cancelButton.addEventListener('click', this.close.bind(this));
-     this.input.addEventListener('keydown', function (e) {
-      if (e.keyCode === 13) {
-       this.verify();
-      }
-     }.bind(this));
-     OverlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
-    }
-    PasswordPrompt.prototype = {
-     open: function PasswordPrompt_open() {
-      OverlayManager.open(this.overlayName).then(function () {
-       this.input.type = 'password';
-       this.input.focus();
-       var promptString = mozL10n.get('password_label', null, 'Enter the password to open this PDF file.');
-       if (this.reason === pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
-        promptString = mozL10n.get('password_invalid', null, 'Invalid password. Please try again.');
-       }
-       this.label.textContent = promptString;
-      }.bind(this));
-     },
-     close: function PasswordPrompt_close() {
-      OverlayManager.close(this.overlayName).then(function () {
-       this.input.value = '';
-       this.input.type = '';
-      }.bind(this));
-     },
-     verify: function PasswordPrompt_verify() {
-      var password = this.input.value;
-      if (password && password.length > 0) {
-       this.close();
-       return this.updateCallback(password);
-      }
-     },
-     setUpdateCallback: function PasswordPrompt_setUpdateCallback(updateCallback, reason) {
-      this.updateCallback = updateCallback;
-      this.reason = reason;
-     }
-    };
-    return PasswordPrompt;
-   }();
-   exports.PasswordPrompt = PasswordPrompt;
-  }));
-  (function (root, factory) {
-   factory(root.pdfjsWebPDFDocumentProperties = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager);
-  }(this, function (exports, uiUtils, overlayManager) {
-   var getPDFFileNameFromURL = uiUtils.getPDFFileNameFromURL;
-   var mozL10n = uiUtils.mozL10n;
-   var OverlayManager = overlayManager.OverlayManager;
-   var PDFDocumentProperties = function PDFDocumentPropertiesClosure() {
-    function PDFDocumentProperties(options) {
-     this.fields = options.fields;
-     this.overlayName = options.overlayName;
-     this.container = options.container;
-     this.rawFileSize = 0;
-     this.url = null;
-     this.pdfDocument = null;
-     if (options.closeButton) {
-      options.closeButton.addEventListener('click', this.close.bind(this));
-     }
-     this.dataAvailablePromise = new Promise(function (resolve) {
-      this.resolveDataAvailable = resolve;
-     }.bind(this));
-     OverlayManager.register(this.overlayName, this.container, this.close.bind(this));
-    }
-    PDFDocumentProperties.prototype = {
-     open: function PDFDocumentProperties_open() {
-      Promise.all([
-       OverlayManager.open(this.overlayName),
-       this.dataAvailablePromise
-      ]).then(function () {
-       this._getProperties();
-      }.bind(this));
-     },
-     close: function PDFDocumentProperties_close() {
-      OverlayManager.close(this.overlayName);
-     },
-     setFileSize: function PDFDocumentProperties_setFileSize(fileSize) {
-      if (fileSize > 0) {
-       this.rawFileSize = fileSize;
-      }
-     },
-     setDocumentAndUrl: function PDFDocumentProperties_setDocumentAndUrl(pdfDocument, url) {
-      this.pdfDocument = pdfDocument;
-      this.url = url;
-      this.resolveDataAvailable();
-     },
-     _getProperties: function PDFDocumentProperties_getProperties() {
-      if (!OverlayManager.active) {
-       return;
-      }
-      this.pdfDocument.getDownloadInfo().then(function (data) {
-       if (data.length === this.rawFileSize) {
-        return;
-       }
-       this.setFileSize(data.length);
-       this._updateUI(this.fields['fileSize'], this._parseFileSize());
-      }.bind(this));
-      this.pdfDocument.getMetadata().then(function (data) {
-       var content = {
-        'fileName': getPDFFileNameFromURL(this.url),
-        'fileSize': this._parseFileSize(),
-        'title': data.info.Title,
-        'author': data.info.Author,
-        'subject': data.info.Subject,
-        'keywords': data.info.Keywords,
-        'creationDate': this._parseDate(data.info.CreationDate),
-        'modificationDate': this._parseDate(data.info.ModDate),
-        'creator': data.info.Creator,
-        'producer': data.info.Producer,
-        'version': data.info.PDFFormatVersion,
-        'pageCount': this.pdfDocument.numPages
-       };
-       for (var identifier in content) {
-        this._updateUI(this.fields[identifier], content[identifier]);
-       }
-      }.bind(this));
-     },
-     _updateUI: function PDFDocumentProperties_updateUI(field, content) {
-      if (field && content !== undefined && content !== '') {
-       field.textContent = content;
-      }
-     },
-     _parseFileSize: function PDFDocumentProperties_parseFileSize() {
-      var fileSize = this.rawFileSize, kb = fileSize / 1024;
-      if (!kb) {
-       return;
-      } else if (kb < 1024) {
-       return mozL10n.get('document_properties_kb', {
-        size_kb: (+kb.toPrecision(3)).toLocaleString(),
-        size_b: fileSize.toLocaleString()
-       }, '{{size_kb}} KB ({{size_b}} bytes)');
-      }
-      return mozL10n.get('document_properties_mb', {
-       size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
-       size_b: fileSize.toLocaleString()
-      }, '{{size_mb}} MB ({{size_b}} bytes)');
-     },
-     _parseDate: function PDFDocumentProperties_parseDate(inputDate) {
-      var dateToParse = inputDate;
-      if (dateToParse === undefined) {
-       return '';
-      }
-      if (dateToParse.substring(0, 2) === 'D:') {
-       dateToParse = dateToParse.substring(2);
-      }
-      var year = parseInt(dateToParse.substring(0, 4), 10);
-      var month = parseInt(dateToParse.substring(4, 6), 10) - 1;
-      var day = parseInt(dateToParse.substring(6, 8), 10);
-      var hours = parseInt(dateToParse.substring(8, 10), 10);
-      var minutes = parseInt(dateToParse.substring(10, 12), 10);
-      var seconds = parseInt(dateToParse.substring(12, 14), 10);
-      var utRel = dateToParse.substring(14, 15);
-      var offsetHours = parseInt(dateToParse.substring(15, 17), 10);
-      var offsetMinutes = parseInt(dateToParse.substring(18, 20), 10);
-      if (utRel === '-') {
-       hours += offsetHours;
-       minutes += offsetMinutes;
-      } else if (utRel === '+') {
-       hours -= offsetHours;
-       minutes -= offsetMinutes;
-      }
-      var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds));
-      var dateString = date.toLocaleDateString();
-      var timeString = date.toLocaleTimeString();
-      return mozL10n.get('document_properties_date_string', {
-       date: dateString,
-       time: timeString
-      }, '{{date}}, {{time}}');
-     }
-    };
-    return PDFDocumentProperties;
-   }();
-   exports.PDFDocumentProperties = PDFDocumentProperties;
-  }));
-  (function (root, factory) {
-   factory(root.pdfjsWebPDFFindController = {}, root.pdfjsWebUIUtils);
-  }(this, function (exports, uiUtils) {
-   var scrollIntoView = uiUtils.scrollIntoView;
-   var FindStates = {
-    FIND_FOUND: 0,
-    FIND_NOTFOUND: 1,
-    FIND_WRAPPED: 2,
-    FIND_PENDING: 3
-   };
-   var FIND_SCROLL_OFFSET_TOP = -50;
-   var FIND_SCROLL_OFFSET_LEFT = -400;
-   var CHARACTERS_TO_NORMALIZE = {
-    '\u2018': '\'',
-    '\u2019': '\'',
-    '\u201A': '\'',
-    '\u201B': '\'',
-    '\u201C': '"',
-    '\u201D': '"',
-    '\u201E': '"',
-    '\u201F': '"',
-    '\u00BC': '1/4',
-    '\u00BD': '1/2',
-    '\u00BE': '3/4'
-   };
-   var PDFFindController = function PDFFindControllerClosure() {
-    function PDFFindController(options) {
-     this.pdfViewer = options.pdfViewer || null;
-     this.onUpdateResultsCount = null;
-     this.onUpdateState = null;
-     this.reset();
-     var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
-     this.normalizationRegex = new RegExp('[' + replace + ']', 'g');
-    }
-    PDFFindController.prototype = {
-     reset: function PDFFindController_reset() {
-      this.startedTextExtraction = false;
-      this.extractTextPromises = [];
-      this.pendingFindMatches = Object.create(null);
-      this.active = false;
-      this.pageContents = [];
-      this.pageMatches = [];
-      this.pageMatchesLength = null;
-      this.matchCount = 0;
-      this.selected = {
-       pageIdx: -1,
-       matchIdx: -1
-      };
-      this.offset = {
-       pageIdx: null,
-       matchIdx: null
-      };
-      this.pagesToSearch = null;
-      this.resumePageIdx = null;
-      this.state = null;
-      this.dirtyMatch = false;
-      this.findTimeout = null;
-      this.firstPagePromise = new Promise(function (resolve) {
-       this.resolveFirstPage = resolve;
-      }.bind(this));
-     },
-     normalize: function PDFFindController_normalize(text) {
-      return text.replace(this.normalizationRegex, function (ch) {
-       return CHARACTERS_TO_NORMALIZE[ch];
-      });
-     },
-     _prepareMatches: function PDFFindController_prepareMatches(matchesWithLength, matches, matchesLength) {
-      function isSubTerm(matchesWithLength, currentIndex) {
-       var currentElem, prevElem, nextElem;
-       currentElem = matchesWithLength[currentIndex];
-       nextElem = matchesWithLength[currentIndex + 1];
-       if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
-        currentElem.skipped = true;
-        return true;
-       }
-       for (var i = currentIndex - 1; i >= 0; i--) {
-        prevElem = matchesWithLength[i];
-        if (prevElem.skipped) {
-         continue;
-        }
-        if (prevElem.match + prevElem.matchLength < currentElem.match) {
-         break;
-        }
-        if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
-         currentElem.skipped = true;
-         return true;
-        }
-       }
-       return false;
-      }
-      var i, len;
-      matchesWithLength.sort(function (a, b) {
-       return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
-      });
-      for (i = 0, len = matchesWithLength.length; i < len; i++) {
-       if (isSubTerm(matchesWithLength, i)) {
-        continue;
-       }
-       matches.push(matchesWithLength[i].match);
-       matchesLength.push(matchesWithLength[i].matchLength);
-      }
-     },
-     calcFindPhraseMatch: function PDFFindController_calcFindPhraseMatch(query, pageIndex, pageContent) {
-      var matches = [];
-      var queryLen = query.length;
-      var matchIdx = -queryLen;
-      while (true) {
-       matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
-       if (matchIdx === -1) {
-        break;
-       }
-       matches.push(matchIdx);
-      }
-      this.pageMatches[pageIndex] = matches;
-     },
-     calcFindWordMatch: function PDFFindController_calcFindWordMatch(query, pageIndex, pageContent) {
-      var matchesWithLength = [];
-      var queryArray = query.match(/\S+/g);
-      var subquery, subqueryLen, matchIdx;
-      for (var i = 0, len = queryArray.length; i < len; i++) {
-       subquery = queryArray[i];
-       subqueryLen = subquery.length;
-       matchIdx = -subqueryLen;
-       while (true) {
-        matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
-        if (matchIdx === -1) {
-         break;
-        }
-        matchesWithLength.push({
-         match: matchIdx,
-         matchLength: subqueryLen,
-         skipped: false
-        });
-       }
-      }
-      if (!this.pageMatchesLength) {
-       this.pageMatchesLength = [];
-      }
-      this.pageMatchesLength[pageIndex] = [];
-      this.pageMatches[pageIndex] = [];
-      this._prepareMatches(matchesWithLength, this.pageMatches[pageIndex], this.pageMatchesLength[pageIndex]);
-     },
-     calcFindMatch: function PDFFindController_calcFindMatch(pageIndex) {
-      var pageContent = this.normalize(this.pageContents[pageIndex]);
-      var query = this.normalize(this.state.query);
-      var caseSensitive = this.state.caseSensitive;
-      var phraseSearch = this.state.phraseSearch;
-      var queryLen = query.length;
-      if (queryLen === 0) {
-       return;
-      }
-      if (!caseSensitive) {
-       pageContent = pageContent.toLowerCase();
-       query = query.toLowerCase();
-      }
-      if (phraseSearch) {
-       this.calcFindPhraseMatch(query, pageIndex, pageContent);
-      } else {
-       this.calcFindWordMatch(query, pageIndex, pageContent);
-      }
-      this.updatePage(pageIndex);
-      if (this.resumePageIdx === pageIndex) {
-       this.resumePageIdx = null;
-       this.nextPageMatch();
-      }
-      if (this.pageMatches[pageIndex].length > 0) {
-       this.matchCount += this.pageMatches[pageIndex].length;
-       this.updateUIResultsCount();
-      }
-     },
-     extractText: function PDFFindController_extractText() {
-      if (this.startedTextExtraction) {
-       return;
-      }
-      this.startedTextExtraction = true;
-      this.pageContents = [];
-      var extractTextPromisesResolves = [];
-      var numPages = this.pdfViewer.pagesCount;
-      for (var i = 0; i < numPages; i++) {
-       this.extractTextPromises.push(new Promise(function (resolve) {
-        extractTextPromisesResolves.push(resolve);
-       }));
-      }
-      var self = this;
-      function extractPageText(pageIndex) {
-       self.pdfViewer.getPageTextContent(pageIndex).then(function textContentResolved(textContent) {
-        var textItems = textContent.items;
-        var str = [];
-        for (var i = 0, len = textItems.length; i < len; i++) {
-         str.push(textItems[i].str);
-        }
-        self.pageContents.push(str.join(''));
-        extractTextPromisesResolves[pageIndex](pageIndex);
-        if (pageIndex + 1 < self.pdfViewer.pagesCount) {
-         extractPageText(pageIndex + 1);
-        }
-       });
-      }
-      extractPageText(0);
-     },
-     executeCommand: function PDFFindController_executeCommand(cmd, state) {
-      if (this.state === null || cmd !== 'findagain') {
-       this.dirtyMatch = true;
-      }
-      this.state = state;
-      this.updateUIState(FindStates.FIND_PENDING);
-      this.firstPagePromise.then(function () {
-       this.extractText();
-       clearTimeout(this.findTimeout);
-       if (cmd === 'find') {
-        this.findTimeout = setTimeout(this.nextMatch.bind(this), 250);
-       } else {
-        this.nextMatch();
-       }
-      }.bind(this));
-     },
-     updatePage: function PDFFindController_updatePage(index) {
-      if (this.selected.pageIdx === index) {
-       this.pdfViewer.currentPageNumber = index + 1;
-      }
-      var page = this.pdfViewer.getPageView(index);
-      if (page.textLayer) {
-       page.textLayer.updateMatches();
-      }
-     },
-     nextMatch: function PDFFindController_nextMatch() {
-      var previous = this.state.findPrevious;
-      var currentPageIndex = this.pdfViewer.currentPageNumber - 1;
-      var numPages = this.pdfViewer.pagesCount;
-      this.active = true;
-      if (this.dirtyMatch) {
-       this.dirtyMatch = false;
-       this.selected.pageIdx = this.selected.matchIdx = -1;
-       this.offset.pageIdx = currentPageIndex;
-       this.offset.matchIdx = null;
-       this.hadMatch = false;
-       this.resumePageIdx = null;
-       this.pageMatches = [];
-       this.matchCount = 0;
-       this.pageMatchesLength = null;
-       var self = this;
-       for (var i = 0; i < numPages; i++) {
-        this.updatePage(i);
-        if (!(i in this.pendingFindMatches)) {
-         this.pendingFindMatches[i] = true;
-         this.extractTextPromises[i].then(function (pageIdx) {
-          delete self.pendingFindMatches[pageIdx];
-          self.calcFindMatch(pageIdx);
-         });
-        }
-       }
-      }
-      if (this.state.query === '') {
-       this.updateUIState(FindStates.FIND_FOUND);
-       return;
-      }
-      if (this.resumePageIdx) {
-       return;
-      }
-      var offset = this.offset;
-      this.pagesToSearch = numPages;
-      if (offset.matchIdx !== null) {
-       var numPageMatches = this.pageMatches[offset.pageIdx].length;
-       if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
-        this.hadMatch = true;
-        offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
-        this.updateMatch(true);
-        return;
-       }
-       this.advanceOffsetPage(previous);
-      }
-      this.nextPageMatch();
-     },
-     matchesReady: function PDFFindController_matchesReady(matches) {
-      var offset = this.offset;
-      var numMatches = matches.length;
-      var previous = this.state.findPrevious;
-      if (numMatches) {
-       this.hadMatch = true;
-       offset.matchIdx = previous ? numMatches - 1 : 0;
-       this.updateMatch(true);
-       return true;
-      }
-      this.advanceOffsetPage(previous);
-      if (offset.wrapped) {
-       offset.matchIdx = null;
-       if (this.pagesToSearch < 0) {
-        this.updateMatch(false);
-        return true;
-       }
-      }
-      return false;
-     },
-     updateMatchPosition: function PDFFindController_updateMatchPosition(pageIndex, index, elements, beginIdx) {
-      if (this.selected.matchIdx === index && this.selected.pageIdx === pageIndex) {
-       var spot = {
-        top: FIND_SCROLL_OFFSET_TOP,
-        left: FIND_SCROLL_OFFSET_LEFT
-       };
-       scrollIntoView(elements[beginIdx], spot, true);
-      }
-     },
-     nextPageMatch: function PDFFindController_nextPageMatch() {
-      if (this.resumePageIdx !== null) {
-       console.error('There can only be one pending page.');
-      }
-      do {
-       var pageIdx = this.offset.pageIdx;
-       var matches = this.pageMatches[pageIdx];
-       if (!matches) {
-        this.resumePageIdx = pageIdx;
-        break;
-       }
-      } while (!this.matchesReady(matches));
-     },
-     advanceOffsetPage: function PDFFindController_advanceOffsetPage(previous) {
-      var offset = this.offset;
-      var numPages = this.extractTextPromises.length;
-      offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
-      offset.matchIdx = null;
-      this.pagesToSearch--;
-      if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
-       offset.pageIdx = previous ? numPages - 1 : 0;
-       offset.wrapped = true;
-      }
-     },
-     updateMatch: function PDFFindController_updateMatch(found) {
-      var state = FindStates.FIND_NOTFOUND;
-      var wrapped = this.offset.wrapped;
-      this.offset.wrapped = false;
-      if (found) {
-       var previousPage = this.selected.pageIdx;
-       this.selected.pageIdx = this.offset.pageIdx;
-       this.selected.matchIdx = this.offset.matchIdx;
-       state = wrapped ? FindStates.FIND_WRAPPED : FindStates.FIND_FOUND;
-       if (previousPage !== -1 && previousPage !== this.selected.pageIdx) {
-        this.updatePage(previousPage);
-       }
-      }
-      this.updateUIState(state, this.state.findPrevious);
-      if (this.selected.pageIdx !== -1) {
-       this.updatePage(this.selected.pageIdx);
-      }
-     },
-     updateUIResultsCount: function PDFFindController_updateUIResultsCount() {
-      if (this.onUpdateResultsCount) {
-       this.onUpdateResultsCount(this.matchCount);
-      }
-     },
-     updateUIState: function PDFFindController_updateUIState(state, previous) {
-      if (this.onUpdateState) {
-       this.onUpdateState(state, previous, this.matchCount);
-      }
-     }
-    };
-    return PDFFindController;
-   }();
-   exports.FindStates = FindStates;
-   exports.PDFFindController = PDFFindController;
-  }));
-  (function (root, factory) {
-   factory(root.pdfjsWebPDFPresentationMode = {}, root.pdfjsWebUIUtils);
-  }(this, function (exports, uiUtils) {
-   var normalizeWheelEventDelta = uiUtils.normalizeWheelEventDelta;
-   var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
-   var DELAY_BEFORE_HIDING_CONTROLS = 3000;
-   var ACTIVE_SELECTOR = 'pdfPresentationMode';
-   var CONTROLS_SELECTOR = 'pdfPresentationModeControls';
-   var PDFPresentationMode = function PDFPresentationModeClosure() {
-    function PDFPresentationMode(options) {
-     this.container = options.container;
-     this.viewer = options.viewer || options.container.firstElementChild;
-     this.pdfViewer = options.pdfViewer;
-     this.eventBus = options.eventBus;
-     var contextMenuItems = options.contextMenuItems || null;
-     this.active = false;
-     this.args = null;
-     this.contextMenuOpen = false;
-     this.mouseScrollTimeStamp = 0;
-     this.mouseScrollDelta = 0;
-     this.touchSwipeState = null;
-     if (contextMenuItems) {
-      contextMenuItems.contextFirstPage.addEventListener('click', function PDFPresentationMode_contextFirstPageClick(e) {
-       this.contextMenuOpen = false;
-       this.eventBus.dispatch('firstpage');
-      }.bind(this));
-      contextMenuItems.contextLastPage.addEventListener('click', function PDFPresentationMode_contextLastPageClick(e) {
-       this.contextMenuOpen = false;
-       this.eventBus.dispatch('lastpage');
-      }.bind(this));
-      contextMenuItems.contextPageRotateCw.addEventListener('click', function PDFPresentationMode_contextPageRotateCwClick(e) {
-       this.contextMenuOpen = false;
-       this.eventBus.dispatch('rotatecw');
-      }.bind(this));
-      contextMenuItems.contextPageRotateCcw.addEventListener('click', function PDFPresentationMode_contextPageRotateCcwClick(e) {
-       this.contextMenuOpen = false;
-       this.eventBus.dispatch('rotateccw');
-      }.bind(this));
-     }
-    }
-    PDFPresentationMode.prototype = {
-     request: function PDFPresentationMode_request() {
-      if (this.switchInProgress || this.active || !this.viewer.hasChildNodes()) {
-       return false;
-      }
-      this._addFullscreenChangeListeners();
-      this._setSwitchInProgress();
-      this._notifyStateChange();
-      if (this.container.requestFullscreen) {
-       this.container.requestFullscreen();
-      } else if (this.container.mozRequestFullScreen) {
-       this.container.mozRequestFullScreen();
-      } else if (this.container.webkitRequestFullscreen) {
-       this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
-      } else if (this.container.msRequestFullscreen) {
-       this.container.msRequestFullscreen();
-      } else {
-       return false;
-      }
-      this.args = {
-       page: this.pdfViewer.currentPageNumber,
-       previousScale: this.pdfViewer.currentScaleValue
-      };
-      return true;
-     },
-     _mouseWheel: function PDFPresentationMode_mouseWheel(evt) {
-      if (!this.active) {
-       return;
-      }
-      evt.preventDefault();
-      var delta = normalizeWheelEventDelta(evt);
-      var MOUSE_SCROLL_COOLDOWN_TIME = 50;
-      var PAGE_SWITCH_THRESHOLD = 0.1;
-      var currentTime = new Date().getTime();
-      var storedTime = this.mouseScrollTimeStamp;
-      if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
-       return;
-      }
-      if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
-       this._resetMouseScrollState();
-      }
-      this.mouseScrollDelta += delta;
-      if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
-       var totalDelta = this.mouseScrollDelta;
-       this._resetMouseScrollState();
-       var success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage();
-       if (success) {
-        this.mouseScrollTimeStamp = currentTime;
-       }
-      }
-     },
-     get isFullscreen() {
-      return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
-     },
-     _goToPreviousPage: function PDFPresentationMode_goToPreviousPage() {
-      var page = this.pdfViewer.currentPageNumber;
-      if (page <= 1) {
-       return false;
-      }
-      this.pdfViewer.currentPageNumber = page - 1;
-      return true;
-     },
-     _goToNextPage: function PDFPresentationMode_goToNextPage() {
-      var page = this.pdfViewer.currentPageNumber;
-      if (page >= this.pdfViewer.pagesCount) {
-       return false;
-      }
-      this.pdfViewer.currentPageNumber = page + 1;
-      return true;
-     },
-     _notifyStateChange: function PDFPresentationMode_notifyStateChange() {
-      this.eventBus.dispatch('presentationmodechanged', {
-       source: this,
-       active: this.active,
-       switchInProgress: !!this.switchInProgress
-      });
-     },
-     _setSwitchInProgress: function PDFPresentationMode_setSwitchInProgress() {
-      if (this.switchInProgress) {
-       clearTimeout(this.switchInProgress);
-      }
-      this.switchInProgress = setTimeout(function switchInProgressTimeout() {
-       this._removeFullscreenChangeListeners();
-       delete this.switchInProgress;
-       this._notifyStateChange();
-      }.bind(this), DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
-     },
-     _resetSwitchInProgress: function PDFPresentationMode_resetSwitchInProgress() {
-      if (this.switchInProgress) {
-       clearTimeout(this.switchInProgress);
-       delete this.switchInProgress;
-      }
-     },
-     _enter: function PDFPresentationMode_enter() {
-      this.active = true;
-      this._resetSwitchInProgress();
-      this._notifyStateChange();
-      this.container.classList.add(ACTIVE_SELECTOR);
-      setTimeout(function enterPresentationModeTimeout() {
-       this.pdfViewer.currentPageNumber = this.args.page;
-       this.pdfViewer.currentScaleValue = 'page-fit';
-      }.bind(this), 0);
-      this._addWindowListeners();
-      this._showControls();
-      this.contextMenuOpen = false;
-      this.container.setAttribute('contextmenu', 'viewerContextMenu');
-      window.getSelection().removeAllRanges();
-     },
-     _exit: function PDFPresentationMode_exit() {
-      var page = this.pdfViewer.currentPageNumber;
-      this.container.classList.remove(ACTIVE_SELECTOR);
-      setTimeout(function exitPresentationModeTimeout() {
-       this.active = false;
-       this._removeFullscreenChangeListeners();
-       this._notifyStateChange();
-       this.pdfViewer.currentScaleValue = this.args.previousScale;
-       this.pdfViewer.currentPageNumber = page;
-       this.args = null;
-      }.bind(this), 0);
-      this._removeWindowListeners();
-      this._hideControls();
-      this._resetMouseScrollState();
-      this.container.removeAttribute('contextmenu');
-      this.contextMenuOpen = false;
-     },
-     _mouseDown: function PDFPresentationMode_mouseDown(evt) {
-      if (this.contextMenuOpen) {
-       this.contextMenuOpen = false;
-       evt.preventDefault();
-       return;
-      }
-      if (evt.button === 0) {
-       var isInternalLink = evt.target.href && evt.target.classList.contains('internalLink');
-       if (!isInternalLink) {
-        evt.preventDefault();
-        this.pdfViewer.currentPageNumber += evt.shiftKey ? -1 : 1;
-       }
-      }
-     },
-     _contextMenu: function PDFPresentationMode_contextMenu() {
-      this.contextMenuOpen = true;
-     },
-     _showControls: function PDFPresentationMode_showControls() {
-      if (this.controlsTimeout) {
-       clearTimeout(this.controlsTimeout);
-      } else {
-       this.container.classList.add(CONTROLS_SELECTOR);
-      }
-      this.controlsTimeout = setTimeout(function showControlsTimeout() {
-       this.container.classList.remove(CONTROLS_SELECTOR);
-       delete this.controlsTimeout;
-      }.bind(this), DELAY_BEFORE_HIDING_CONTROLS);
-     },
-     _hideControls: function PDFPresentationMode_hideControls() {
-      if (!this.controlsTimeout) {
-       return;
-      }
-      clearTimeout(this.controlsTimeout);
-      this.container.classList.remove(CONTROLS_SELECTOR);
-      delete this.controlsTimeout;
-     },
-     _resetMouseScrollState: function PDFPresentationMode_resetMouseScrollState() {
-      this.mouseScrollTimeStamp = 0;
-      this.mouseScrollDelta = 0;
-     },
-     _touchSwipe: function PDFPresentationMode_touchSwipe(evt) {
-      if (!this.active) {
-       return;
-      }
-      var SWIPE_MIN_DISTANCE_THRESHOLD = 50;
-      var SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
-      if (evt.touches.length > 1) {
-       this.touchSwipeState = null;
-       return;
-      }
-      switch (evt.type) {
-      case 'touchstart':
-       this.touchSwipeState = {
-        startX: evt.touches[0].pageX,
-        startY: evt.touches[0].pageY,
-        endX: evt.touches[0].pageX,
-        endY: evt.touches[0].pageY
-       };
-       break;
-      case 'touchmove':
-       if (this.touchSwipeState === null) {
-        return;
-       }
-       this.touchSwipeState.endX = evt.touches[0].pageX;
-       this.touchSwipeState.endY = evt.touches[0].pageY;
-       evt.preventDefault();
-       break;
-      case 'touchend':
-       if (this.touchSwipeState === null) {
-        return;
-       }
-       var delta = 0;
-       var dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
-       var dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
-       var absAngle = Math.abs(Math.atan2(dy, dx));
-       if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
-        delta = dx;
-       } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
-        delta = dy;
-       }
-       if (delta > 0) {
-        this._goToPreviousPage();
-       } else if (delta < 0) {
-        this._goToNextPage();
-       }
-       break;
-      }
-     },
-     _addWindowListeners: function PDFPresentationMode_addWindowListeners() {
-      this.showControlsBind = this._showControls.bind(this);
-      this.mouseDownBind = this._mouseDown.bind(this);
-      this.mouseWheelBind = this._mouseWheel.bind(this);
-      this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
-      this.contextMenuBind = this._contextMenu.bind(this);
-      this.touchSwipeBind = this._touchSwipe.bind(this);
-      window.addEventListener('mousemove', this.showControlsBind);
-      window.addEventListener('mousedown', this.mouseDownBind);
-      window.addEventListener('wheel', this.mouseWheelBind);
-      window.addEventListener('keydown', this.resetMouseScrollStateBind);
-      window.addEventListener('contextmenu', this.contextMenuBind);
-      window.addEventListener('touchstart', this.touchSwipeBind);
-      window.addEventListener('touchmove', this.touchSwipeBind);
-      window.addEventListener('touchend', this.touchSwipeBind);
-     },
-     _removeWindowListeners: function PDFPresentationMode_removeWindowListeners() {
-      window.removeEventListener('mousemove', this.showControlsBind);
-      window.removeEventListener('mousedown', this.mouseDownBind);
-      window.removeEventListener('wheel', this.mouseWheelBind);
-      window.removeEventListener('keydown', this.resetMouseScrollStateBind);
-      window.removeEventListener('contextmenu', this.contextMenuBind);
-      window.removeEventListener('touchstart', this.touchSwipeBind);
-      window.removeEventListener('touchmove', this.touchSwipeBind);
-      window.removeEventListener('touchend', this.touchSwipeBind);
-      delete this.showControlsBind;
-      delete this.mouseDownBind;
-      delete this.mouseWheelBind;
-      delete this.resetMouseScrollStateBind;
-      delete this.contextMenuBind;
-      delete this.touchSwipeBind;
-     },
-     _fullscreenChange: function PDFPresentationMode_fullscreenChange() {
-      if (this.isFullscreen) {
-       this._enter();
-      } else {
-       this._exit();
-      }
-     },
-     _addFullscreenChangeListeners: function PDFPresentationMode_addFullscreenChangeListeners() {
-      this.fullscreenChangeBind = this._fullscreenChange.bind(this);
-      window.addEventListener('fullscreenchange', this.fullscreenChangeBind);
-      window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind);
-     },
-     _removeFullscreenChangeListeners: function PDFPresentationMode_removeFullscreenChangeListeners() {
-      window.removeEventListener('fullscreenchange', this.fullscreenChangeBind);
-      window.removeEventListener('mozfullscreenchange', 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.id = 'thumbnailContainer' + id;
-     div.className = 'thumbnail';
-     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, '');
-     } else {
-      window.history.pushState(stateObj, '');
-     }
-    },
-    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 {
-       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.paintedViewport = null;
-     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.id = 'pageContainer' + this.id;
-     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.canvas.width = 0;
-       this.canvas.height = 0;
-       delete this.canvas;
-      }
-      if (this.svg) {
-       delete this.svg;
-      }
-      if (!currentZoomLayerNode) {
-       this.paintedViewport = null;
-      }
-      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.paintedViewport.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;
-        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.paintedViewport = 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) {
-      return {
-       promise: Promise.reject(new Error('SVG rendering is not supported.')),
-       onRenderContinue: function (cont) {
-       },
-       cancel: function () {
-       }
-      };
-     },
-     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.getElementById('thumbnailContainer' + 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);
-        return;
-       }
-       var end = div.querySelector('.endOfContent');
-       if (!end) {
-        return;
-       }
-       end.classList.add('active');
-      });
-      div.addEventListener('mouseup', function (e) {
-       if (self.enhanceTextSelection && self.textLayerRenderTask) {
-        self.textLayerRenderTask.expandTextDivs(false);
-        return;
-       }
-       var end = div.querySelector('.endOfContent');
-       if (!end) {
-        return;
-       }
-       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;
-      }
-      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();
-      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;
-     support = document.fullscreenEnabled === true || document.mozFullScreenEnabled === true;
-     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() {
-     this.externalServices.initPassiveLoading({
-      onOpenWithTransport: function (url, length, transport) {
-       PDFViewerApplication.open(url, { range: transport });
-       if (length) {
-        PDFViewerApplication.pdfDocumentProperties.setFileSize(length);
-       }
-      },
-      onOpenWithData: function (data) {
-       PDFViewerApplication.open(data);
-      },
-      onOpenWithURL: function (url, length, originalURL) {
-       var file = url, args = null;
-       if (length !== undefined) {
-        args = { length: length };
-       }
-       if (originalURL !== undefined) {
-        file = {
-         file: url,
-         originalURL: originalURL
-        };
-       }
-       PDFViewerApplication.open(file, args);
-      },
-      onError: function (e) {
-       PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.'), e);
-      },
-      onProgress: function (loaded, total) {
-       PDFViewerApplication.progress(loaded / total);
-      }
-     });
-    },
-    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 (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;
-     }
-     parameters.docBaseUrl = this.baseUrl;
-     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) {
-     if (this.fellback) {
-      return;
-     }
-     this.fellback = true;
-     this.externalServices.fallback({
-      featureId: featureId,
-      url: this.baseUrl
-     }, function response(download) {
-      if (!download) {
-       return;
-      }
-      PDFViewerApplication.download();
-     });
-    },
-    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}}');
-       }
-      }
-     }
-     console.error(message + '\n' + moreInfoText);
-     this.fallback();
-    },
-    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 = this.baseUrl;
-     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);
-      }
-      var versionId = String(info.PDFFormatVersion).slice(-1) | 0;
-      var generatorId = 0;
-      var KNOWN_GENERATORS = [
-       'acrobat distiller',
-       'acrobat pdfwriter',
-       'adobe livecycle',
-       'adobe pdf library',
-       'adobe photoshop',
-       'ghostscript',
-       'tcpdf',
-       'cairo',
-       'dvipdfm',
-       'dvips',
-       'pdftex',
-       'pdfkit',
-       'itext',
-       'prince',
-       'quarkxpress',
-       'mac os x',
-       'microsoft',
-       'openoffice',
-       'oracle',
-       'luradocument',
-       'pdf-xchange',
-       'antenna house',
-       'aspose.cells',
-       'fpdf'
-      ];
-      if (info.Producer) {
-       KNOWN_GENERATORS.some(function (generator, s, i) {
-        if (generator.indexOf(s) < 0) {
-         return false;
-        }
-        generatorId = i + 1;
-        return true;
-       }.bind(null, info.Producer.toLowerCase()));
-      }
-      var formType = !info.IsAcroFormPresent ? null : info.IsXFAPresent ? 'xfa' : 'acroform';
-      self.externalServices.reportTelemetry({
-       type: 'documentInfo',
-       version: versionId,
-       generator: generatorId,
-       formType: formType
-      });
-     });
-    },
-    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();
-     this.externalServices.reportTelemetry({ type: 'print' });
-    },
-    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);
-    },
-    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');
-     });
-    }
-   };
-   var validateFileURL;
-   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;
-    file = window.location.href.split('#')[0];
-    var waitForBeforeOpening = [];
-    var appConfig = PDFViewerApplication.appConfig;
-    appConfig.toolbar.openFile.setAttribute('hidden', 'true');
-    appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
-    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 ('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));
-     }
-    }
-    if (!PDFViewerApplication.supportsDocumentFonts) {
-     PDFJS.disableFontFace = true;
-     console.warn(mozL10n.get('web_fonts_disabled', null, 'Web fonts are disabled: unable to use embedded PDF fonts.'));
-    }
-    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) {
-    PDFViewerApplication.setTitleUsingUrl(file);
-    PDFViewerApplication.initPassiveLoading();
-   };
-   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);
-    }
-    PDFViewerApplication.externalServices.reportTelemetry({ type: 'pageInfo' });
-    PDFViewerApplication.pdfDocument.getStats().then(function (stats) {
-     PDFViewerApplication.externalServices.reportTelemetry({
-      type: 'documentStats',
-      stats: stats
-     });
-    });
-   }
-   function webViewerTextLayerRendered(e) {
-    if (e.numTextDivs > 0 && !PDFViewerApplication.supportsDocumentColors) {
-     console.error(mozL10n.get('document_colors_not_allowed', null, 'PDF documents are not allowed to use their own colors: ' + '\'Allow pages to choose their own colors\' ' + 'is deactivated in the browser.'));
-     PDFViewerApplication.fallback();
-    }
-   }
-   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;
-   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 === 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.pdfjsWebFirefoxPrintService = {}, root.pdfjsWebUIUtils, root.pdfjsWebApp, root.pdfjsWebPDFJS);
-  }(this, function (exports, uiUtils, app, pdfjsLib) {
-   var CSS_UNITS = uiUtils.CSS_UNITS;
-   var PDFPrintServiceFactory = app.PDFPrintServiceFactory;
-   function composePage(pdfDocument, pageNumber, size, printContainer) {
-    var canvas = document.createElement('canvas');
-    var PRINT_RESOLUTION = 150;
-    var PRINT_UNITS = PRINT_RESOLUTION / 72.0;
-    canvas.width = Math.floor(size.width * PRINT_UNITS);
-    canvas.height = Math.floor(size.height * PRINT_UNITS);
-    canvas.style.width = Math.floor(size.width * CSS_UNITS) + 'px';
-    canvas.style.height = Math.floor(size.height * CSS_UNITS) + 'px';
-    var canvasWrapper = document.createElement('div');
-    canvasWrapper.appendChild(canvas);
-    printContainer.appendChild(canvasWrapper);
-    canvas.mozPrintCallback = function (obj) {
-     var ctx = obj.context;
-     ctx.save();
-     ctx.fillStyle = 'rgb(255, 255, 255)';
-     ctx.fillRect(0, 0, canvas.width, canvas.height);
-     ctx.restore();
-     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 () {
-      obj.done();
-     }, function (error) {
-      console.error(error);
-      if ('abort' in obj) {
-       obj.abort();
-      } else {
-       obj.done();
-      }
-     });
-    };
-   }
-   function FirefoxPrintService(pdfDocument, pagesOverview, printContainer) {
-    this.pdfDocument = pdfDocument;
-    this.pagesOverview = pagesOverview;
-    this.printContainer = printContainer;
-   }
-   FirefoxPrintService.prototype = {
-    layout: function () {
-     var pdfDocument = this.pdfDocument;
-     var printContainer = this.printContainer;
-     var body = document.querySelector('body');
-     body.setAttribute('data-pdfjsprinting', true);
-     for (var i = 0, ii = this.pagesOverview.length; i < ii; ++i) {
-      composePage(pdfDocument, i + 1, this.pagesOverview[i], printContainer);
-     }
-    },
-    destroy: function () {
-     this.printContainer.textContent = '';
-    }
-   };
-   PDFPrintServiceFactory.instance = {
-    get supportsPrinting() {
-     var canvas = document.createElement('canvas');
-     var value = 'mozPrintCallback' in canvas;
-     return pdfjsLib.shadow(this, 'supportsPrinting', value);
-    },
-    createPrintService: function (pdfDocument, pagesOverview, printContainer) {
-     return new FirefoxPrintService(pdfDocument, pagesOverview, printContainer);
-    }
-   };
-   exports.FirefoxPrintService = FirefoxPrintService;
-  }));
-  (function (root, factory) {
-   factory(root.pdfjsWebFirefoxCom = {}, root.pdfjsWebPreferences, root.pdfjsWebApp, root.pdfjsWebPDFJS);
-  }(this, function (exports, preferences, app, pdfjsLib) {
-   var Preferences = preferences.Preferences;
-   var PDFViewerApplication = app.PDFViewerApplication;
-   var FirefoxCom = function FirefoxComClosure() {
-    return {
-     requestSync: function (action, data) {
-      var request = document.createTextNode('');
-      document.documentElement.appendChild(request);
-      var sender = document.createEvent('CustomEvent');
-      sender.initCustomEvent('pdf.js.message', true, false, {
-       action: action,
-       data: data,
-       sync: true
-      });
-      request.dispatchEvent(sender);
-      var response = sender.detail.response;
-      document.documentElement.removeChild(request);
-      return response;
-     },
-     request: function (action, data, callback) {
-      var request = document.createTextNode('');
-      if (callback) {
-       document.addEventListener('pdf.js.response', function listener(event) {
-        var node = event.target;
-        var response = event.detail.response;
-        document.documentElement.removeChild(node);
-        document.removeEventListener('pdf.js.response', listener);
-        return callback(response);
-       });
-      }
-      document.documentElement.appendChild(request);
-      var sender = document.createEvent('CustomEvent');
-      sender.initCustomEvent('pdf.js.message', true, false, {
-       action: action,
-       data: data,
-       sync: false,
-       responseExpected: !!callback
-      });
-      return request.dispatchEvent(sender);
-     }
-    };
-   }();
-   var DownloadManager = function DownloadManagerClosure() {
-    function DownloadManager() {
-    }
-    DownloadManager.prototype = {
-     downloadUrl: function DownloadManager_downloadUrl(url, filename) {
-      FirefoxCom.request('download', {
-       originalUrl: url,
-       filename: filename
-      });
-     },
-     downloadData: function DownloadManager_downloadData(data, filename, contentType) {
-      var blobUrl = pdfjsLib.createObjectURL(data, contentType, false);
-      FirefoxCom.request('download', {
-       blobUrl: blobUrl,
-       originalUrl: blobUrl,
-       filename: filename,
-       isAttachment: true
-      });
-     },
-     download: function DownloadManager_download(blob, url, filename) {
-      var blobUrl = window.URL.createObjectURL(blob);
-      FirefoxCom.request('download', {
-       blobUrl: blobUrl,
-       originalUrl: url,
-       filename: filename
-      }, function response(err) {
-       if (err && this.onerror) {
-        this.onerror(err);
-       }
-       window.URL.revokeObjectURL(blobUrl);
-      }.bind(this));
-     }
-    };
-    return DownloadManager;
-   }();
-   Preferences._writeToStorage = function (prefObj) {
-    return new Promise(function (resolve) {
-     FirefoxCom.request('setPreferences', prefObj, resolve);
-    });
-   };
-   Preferences._readFromStorage = function (prefObj) {
-    return new Promise(function (resolve) {
-     FirefoxCom.request('getPreferences', prefObj, function (prefStr) {
-      var readPrefs = JSON.parse(prefStr);
-      resolve(readPrefs);
-     });
-    });
-   };
-   (function listenFindEvents() {
-    var events = [
-     'find',
-     'findagain',
-     'findhighlightallchange',
-     'findcasesensitivitychange'
-    ];
-    var handleEvent = function (evt) {
-     if (!PDFViewerApplication.initialized) {
-      return;
-     }
-     PDFViewerApplication.eventBus.dispatch('find', {
-      source: window,
-      type: evt.type.substring('find'.length),
-      query: evt.detail.query,
-      phraseSearch: true,
-      caseSensitive: !!evt.detail.caseSensitive,
-      highlightAll: !!evt.detail.highlightAll,
-      findPrevious: !!evt.detail.findPrevious
-     });
-    };
-    for (var i = 0, len = events.length; i < len; i++) {
-     window.addEventListener(events[i], handleEvent);
-    }
-   }());
-   function FirefoxComDataRangeTransport(length, initialData) {
-    pdfjsLib.PDFDataRangeTransport.call(this, length, initialData);
-   }
-   FirefoxComDataRangeTransport.prototype = Object.create(pdfjsLib.PDFDataRangeTransport.prototype);
-   FirefoxComDataRangeTransport.prototype.requestDataRange = function FirefoxComDataRangeTransport_requestDataRange(begin, end) {
-    FirefoxCom.request('requestDataRange', {
-     begin: begin,
-     end: end
-    });
-   };
-   FirefoxComDataRangeTransport.prototype.abort = function FirefoxComDataRangeTransport_abort() {
-    FirefoxCom.requestSync('abortLoading', null);
-   };
-   PDFViewerApplication.externalServices = {
-    updateFindControlState: function (data) {
-     FirefoxCom.request('updateFindControlState', data);
-    },
-    initPassiveLoading: function (callbacks) {
-     var pdfDataRangeTransport;
-     window.addEventListener('message', function windowMessage(e) {
-      if (e.source !== null) {
-       console.warn('Rejected untrusted message from ' + e.origin);
-       return;
-      }
-      var args = e.data;
-      if (typeof args !== 'object' || !('pdfjsLoadAction' in args)) {
-       return;
-      }
-      switch (args.pdfjsLoadAction) {
-      case 'supportsRangedLoading':
-       pdfDataRangeTransport = new FirefoxComDataRangeTransport(args.length, args.data);
-       callbacks.onOpenWithTransport(args.pdfUrl, args.length, pdfDataRangeTransport);
-       break;
-      case 'range':
-       pdfDataRangeTransport.onDataRange(args.begin, args.chunk);
-       break;
-      case 'rangeProgress':
-       pdfDataRangeTransport.onDataProgress(args.loaded);
-       break;
-      case 'progressiveRead':
-       pdfDataRangeTransport.onDataProgressiveRead(args.chunk);
-       break;
-      case 'progress':
-       callbacks.onProgress(args.loaded, args.total);
-       break;
-      case 'complete':
-       if (!args.data) {
-        callbacks.onError(args.errorCode);
-        break;
-       }
-       callbacks.onOpenWithData(args.data);
-       break;
-      }
-     });
-     FirefoxCom.requestSync('initPassiveLoading', null);
-    },
-    fallback: function (data, callback) {
-     FirefoxCom.request('fallback', data, callback);
-    },
-    reportTelemetry: function (data) {
-     FirefoxCom.request('reportTelemetry', JSON.stringify(data));
-    },
-    createDownloadManager: function () {
-     return new DownloadManager();
-    },
-    get supportsIntegratedFind() {
-     var support = FirefoxCom.requestSync('supportsIntegratedFind');
-     return pdfjsLib.shadow(this, 'supportsIntegratedFind', support);
-    },
-    get supportsDocumentFonts() {
-     var support = FirefoxCom.requestSync('supportsDocumentFonts');
-     return pdfjsLib.shadow(this, 'supportsDocumentFonts', support);
-    },
-    get supportsDocumentColors() {
-     var support = FirefoxCom.requestSync('supportsDocumentColors');
-     return pdfjsLib.shadow(this, 'supportsDocumentColors', support);
-    },
-    get supportedMouseWheelZoomModifierKeys() {
-     var support = FirefoxCom.requestSync('supportedMouseWheelZoomModifierKeys');
-     return pdfjsLib.shadow(this, 'supportedMouseWheelZoomModifierKeys', support);
-    }
-   };
-   document.mozL10n.setExternalLocalizerServices({
-    getLocale: function () {
-     return FirefoxCom.requestSync('getLocale', null);
-    },
-    getStrings: function (key) {
-     return FirefoxCom.requestSync('getStrings', key);
-    }
-   });
-   exports.DownloadManager = DownloadManager;
-   exports.FirefoxCom = FirefoxCom;
-  }));
- }.call(pdfjsWebLibs));
-}
-{
- window.FirefoxCom = pdfjsWebLibs.pdfjsWebFirefoxCom.FirefoxCom;
-}
-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);
-}
\ No newline at end of file