Add Basilisk

1 files changed, 7371 insertions, 0 deletions

diff --git a/application/basilisk/extensions/pdfjs/content/web/viewer.js b/application/basilisk/extensions/pdfjs/content/web/viewer.js
new file mode 100644
index 000000000..d5bc00589
--- /dev/null
+++ b/application/basilisk/extensions/pdfjs/content/web/viewer.js
@@ -0,0 +1,7371 @@
+/* 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