From 7e63ad5937e77980fe19f2d58857696982ecd938 Mon Sep 17 00:00:00 2001
From: Brendan Dahl <bdahl@mozilla.com>
Date: Fri, 13 Jul 2012 16:25:50 -0700
Subject: [PATCH] Bug 773422 - Update pdf.js to version 0.3.452. r=Mossop

---
 browser/extensions/pdfjs/README.mozilla       |    2 +-
 browser/extensions/pdfjs/bootstrap.js         |  111 --
 .../pdfjs/components/PdfStreamConverter.js    |  119 +-
 .../web/images/toolbarButton-openFile.png     |  Bin 708 -> 417 bytes
 browser/extensions/pdfjs/content/web/l10n.js  |    4 +-
 .../extensions/pdfjs/content/web/viewer.css   |  340 ++--
 .../extensions/pdfjs/content/web/viewer.html  | 1364 ++++++++++++++++-
 .../extensions/pdfjs/content/web/viewer.js    |  577 ++++---
 browser/extensions/pdfjs/install.rdf.in       |   27 -
 .../locales/en-US/pdfviewer/chrome.properties |    1 +
 .../locales/en-US/pdfviewer/viewer.properties |    6 +-
 11 files changed, 2030 insertions(+), 521 deletions(-)
 delete mode 100644 browser/extensions/pdfjs/bootstrap.js
 delete mode 100644 browser/extensions/pdfjs/install.rdf.in

diff --git a/browser/extensions/pdfjs/README.mozilla b/browser/extensions/pdfjs/README.mozilla
index 7e2fb644616a..6e2882e3f94b 100644
--- a/browser/extensions/pdfjs/README.mozilla
+++ b/browser/extensions/pdfjs/README.mozilla
@@ -1,4 +1,4 @@
 This is the pdf.js project output, https://github.com/mozilla/pdf.js
 
-Current extension version is: 0.3.345
+Current extension version is: 0.3.452
 
diff --git a/browser/extensions/pdfjs/bootstrap.js b/browser/extensions/pdfjs/bootstrap.js
deleted file mode 100644
index 5bf66d444c00..000000000000
--- a/browser/extensions/pdfjs/bootstrap.js
+++ /dev/null
@@ -1,111 +0,0 @@
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
-'use strict';
-
-const RESOURCE_NAME = 'pdf.js';
-const EXT_PREFIX = 'extensions.uriloader@pdf.js';
-
-let Cc = Components.classes;
-let Ci = Components.interfaces;
-let Cm = Components.manager;
-let Cu = Components.utils;
-
-Cu.import('resource://gre/modules/Services.jsm');
-
-function getBoolPref(pref, def) {
-  try {
-    return Services.prefs.getBoolPref(pref);
-  } catch (ex) {
-    return def;
-  }
-}
-
-function setStringPref(pref, value) {
-  let str = Cc['@mozilla.org/supports-string;1']
-              .createInstance(Ci.nsISupportsString);
-  str.data = value;
-  Services.prefs.setComplexValue(pref, Ci.nsISupportsString, str);
-}
-
-function log(str) {
-  if (!getBoolPref(EXT_PREFIX + '.pdfBugEnabled', false))
-    return;
-  dump(str + '\n');
-}
-
-// Register/unregister a class as a component.
-let Factory = {
-  registrar: null,
-  aClass: null,
-  register: function(aClass) {
-    if (this.aClass) {
-      log('Cannot register more than one class');
-      return;
-    }
-    this.registrar = Cm.QueryInterface(Ci.nsIComponentRegistrar);
-    this.aClass = aClass;
-    var proto = aClass.prototype;
-    this.registrar.registerFactory(proto.classID, proto.classDescription,
-      proto.contractID, this);
-  },
-  unregister: function() {
-    if (!this.aClass) {
-      log('Class was never registered.');
-      return;
-    }
-    var proto = this.aClass.prototype;
-    this.registrar.unregisterFactory(proto.classID, this);
-    this.aClass = null;
-  },
-  // nsIFactory::createInstance
-  createInstance: function(outer, iid) {
-    if (outer !== null)
-      throw Cr.NS_ERROR_NO_AGGREGATION;
-    return (new (this.aClass)).QueryInterface(iid);
-  }
-};
-
-let pdfStreamConverterUrl = null;
-
-// As of Firefox 13 bootstrapped add-ons don't support automatic registering and
-// unregistering of resource urls and components/contracts. Until then we do
-// it programatically. See ManifestDirective ManifestParser.cpp for support.
-
-function startup(aData, aReason) {
-  // Setup the resource url.
-  var ioService = Services.io;
-  var resProt = ioService.getProtocolHandler('resource')
-                  .QueryInterface(Ci.nsIResProtocolHandler);
-  var aliasURI = ioService.newURI('content/', 'UTF-8', aData.resourceURI);
-  resProt.setSubstitution(RESOURCE_NAME, aliasURI);
-
-  // Load the component and register it.
-  pdfStreamConverterUrl = aData.resourceURI.spec +
-                          'components/PdfStreamConverter.js';
-  Cu.import(pdfStreamConverterUrl);
-  Factory.register(PdfStreamConverter);
-}
-
-function shutdown(aData, aReason) {
-  if (aReason == APP_SHUTDOWN)
-    return;
-  var ioService = Services.io;
-  var resProt = ioService.getProtocolHandler('resource')
-                  .QueryInterface(Ci.nsIResProtocolHandler);
-  // Remove the resource url.
-  resProt.setSubstitution(RESOURCE_NAME, null);
-  // Remove the contract/component.
-  Factory.unregister();
-  // Unload the converter
-  Cu.unload(pdfStreamConverterUrl);
-  pdfStreamConverterUrl = null;
-}
-
-function install(aData, aReason) {
-}
-
-function uninstall(aData, aReason) {
-  setStringPref(EXT_PREFIX + '.database', '{}');
-}
-
diff --git a/browser/extensions/pdfjs/components/PdfStreamConverter.js b/browser/extensions/pdfjs/components/PdfStreamConverter.js
index 857c85a8a6e1..2f55b4365521 100644
--- a/browser/extensions/pdfjs/components/PdfStreamConverter.js
+++ b/browser/extensions/pdfjs/components/PdfStreamConverter.js
@@ -128,37 +128,55 @@ function ChromeActions(domWindow) {
 }
 
 ChromeActions.prototype = {
-  download: function(data) {
-    var handlerInfo = Svc.mime
-                         .getFromTypeAndExtension('application/pdf', 'pdf');
-    var uri = NetUtil.newURI(data);
-
+  download: function(data, sendResponse) {
+    var originalUrl = data.originalUrl;
+    // The data may not be downloaded so we need just retry getting the pdf with
+    // the original url.
+    var originalUri = NetUtil.newURI(data.originalUrl);
+    var blobUri = data.blobUrl ? NetUtil.newURI(data.blobUrl) : originalUri;
     var extHelperAppSvc =
           Cc['@mozilla.org/uriloader/external-helper-app-service;1'].
-            getService(Ci.nsIExternalHelperAppService);
+             getService(Ci.nsIExternalHelperAppService);
     var frontWindow = Cc['@mozilla.org/embedcomp/window-watcher;1'].
-                        getService(Ci.nsIWindowWatcher).activeWindow;
-    var ioService = Services.io;
-    var channel = ioService.newChannel(data, null, null);
-    var listener = {
-      extListener: null,
-      onStartRequest: function(aRequest, aContext) {
-        this.extListener = extHelperAppSvc.doContent('application/pdf',
-                              aRequest, frontWindow, false);
-        this.extListener.onStartRequest(aRequest, aContext);
-      },
-      onStopRequest: function(aRequest, aContext, aStatusCode) {
-        if (this.extListener)
-          this.extListener.onStopRequest(aRequest, aContext, aStatusCode);
-      },
-      onDataAvailable: function(aRequest, aContext, aInputStream, aOffset,
-                                aCount) {
-        this.extListener.onDataAvailable(aRequest, aContext, aInputStream,
-                                         aOffset, aCount);
-      }
-    };
+                         getService(Ci.nsIWindowWatcher).activeWindow;
 
-    channel.asyncOpen(listener, null);
+    NetUtil.asyncFetch(blobUri, function(aInputStream, aResult) {
+      if (!Components.isSuccessCode(aResult)) {
+        if (sendResponse)
+          sendResponse(true);
+        return;
+      }
+      // Create a nsIInputStreamChannel so we can set the url on the channel
+      // so the filename will be correct.
+      let channel = Cc['@mozilla.org/network/input-stream-channel;1'].
+                       createInstance(Ci.nsIInputStreamChannel);
+      channel.setURI(originalUri);
+      channel.contentStream = aInputStream;
+      channel.QueryInterface(Ci.nsIChannel);
+
+      var listener = {
+        extListener: null,
+        onStartRequest: function(aRequest, aContext) {
+          this.extListener = extHelperAppSvc.doContent('application/pdf',
+                                aRequest, frontWindow, false);
+          this.extListener.onStartRequest(aRequest, aContext);
+        },
+        onStopRequest: function(aRequest, aContext, aStatusCode) {
+          if (this.extListener)
+            this.extListener.onStopRequest(aRequest, aContext, aStatusCode);
+          // Notify the content code we're done downloading.
+          if (sendResponse)
+            sendResponse(false);
+        },
+        onDataAvailable: function(aRequest, aContext, aInputStream, aOffset,
+                                  aCount) {
+          this.extListener.onDataAvailable(aRequest, aContext, aInputStream,
+                                           aOffset, aCount);
+        }
+      };
+
+      channel.asyncOpen(listener, null);
+    });
   },
   setDatabase: function(data) {
     if (inPrivateBrowsing)
@@ -195,7 +213,7 @@ ChromeActions.prototype = {
   searchEnabled: function() {
     return getBoolPref(PREF_PREFIX + '.searchEnabled', false);
   },
-  fallback: function(url) {
+  fallback: function(url, sendResponse) {
     var self = this;
     var domWindow = this.domWindow;
     var strings = getLocalizedStrings('chrome.properties');
@@ -204,17 +222,32 @@ ChromeActions.prototype = {
     var win = Services.wm.getMostRecentWindow('navigator:browser');
     var browser = win.gBrowser.getBrowserForDocument(domWindow.top.document);
     var notificationBox = win.gBrowser.getNotificationBox(browser);
+    // Flag so we don't call the response callback twice, since if the user
+    // clicks open with different viewer both the button callback and
+    // eventCallback will be called.
+    var sentResponse = false;
     var buttons = [{
       label: getLocalizedString(strings, 'open_with_different_viewer'),
       accessKey: getLocalizedString(strings, 'open_with_different_viewer',
                                     'accessKey'),
       callback: function() {
-        self.download(url);
+        sentResponse = true;
+        sendResponse(true);
       }
     }];
     notificationBox.appendNotification(message, 'pdfjs-fallback', null,
                                        notificationBox.PRIORITY_WARNING_LOW,
-                                       buttons);
+                                       buttons,
+                                       function eventsCallback(eventType) {
+      // Currently there is only one event "removed" but if there are any other
+      // added in the future we still only care about removed at the moment.
+      if (eventType !== 'removed')
+        return;
+      // Don't send a response again if we already responded when the button was
+      // clicked.
+      if (!sentResponse)
+        sendResponse(false);
+    });
   }
 };
 
@@ -222,20 +255,38 @@ ChromeActions.prototype = {
 function RequestListener(actions) {
   this.actions = actions;
 }
-// Receive an event and synchronously responds.
+// Receive an event and synchronously or asynchronously responds.
 RequestListener.prototype.receive = function(event) {
   var message = event.target;
+  var doc = message.ownerDocument;
   var action = message.getUserData('action');
   var data = message.getUserData('data');
+  var sync = message.getUserData('sync');
   var actions = this.actions;
   if (!(action in actions)) {
     log('Unknown action: ' + action);
     return;
   }
-  var response = actions[action].call(this.actions, data);
-  message.setUserData('response', response, null);
-};
+  if (sync) {
+    var response = actions[action].call(this.actions, data);
+    message.setUserData('response', response, null);
+  } else {
+    var response;
+    if (!message.getUserData('callback')) {
+      doc.documentElement.removeChild(message);
+      response = null;
+    } else {
+      response = function sendResponse(response) {
+        message.setUserData('response', response, null);
 
+        var listener = doc.createEvent('HTMLEvents');
+        listener.initEvent('pdf.js.response', true, false);
+        return message.dispatchEvent(listener);
+      }
+    }
+    actions[action].call(this.actions, data, response);
+  }
+};
 
 function PdfStreamConverter() {
 }
diff --git a/browser/extensions/pdfjs/content/web/images/toolbarButton-openFile.png b/browser/extensions/pdfjs/content/web/images/toolbarButton-openFile.png
index 12ce45f876b12eef3e5030b492d58d5fbb47ebbf..fc7023f2aafcdbb3b2412934c017225637c8bb9e 100644
GIT binary patch
delta 392
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myqA<<2`aEWrwZ>W{Q@<`>KMYv%sl`A002ovPDHLkU;%=F`M78R

delta 685
zcmV;e0#f~<1H=W8BYyw{b3#c}2nYxWd<bNS00009a7bBm0000-0000-0Y?D!vH$=8
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T;fL7Y00000NkvXXu0mjfw){J<

diff --git a/browser/extensions/pdfjs/content/web/l10n.js b/browser/extensions/pdfjs/content/web/l10n.js
index b16636e31cbe..df20ff57718e 100644
--- a/browser/extensions/pdfjs/content/web/l10n.js
+++ b/browser/extensions/pdfjs/content/web/l10n.js
@@ -9,7 +9,7 @@
 
   // fetch an l10n objects
   function getL10nData(key) {
-    var response = FirefoxCom.request('getStrings', key);
+    var response = FirefoxCom.requestSync('getStrings', key);
     var data = JSON.parse(response);
     if (!data)
       console.warn('[l10n] #' + key + ' missing for [' + gLanguage + ']');
@@ -78,7 +78,7 @@
   }
 
   window.addEventListener('DOMContentLoaded', function() {
-    gLanguage = FirefoxCom.request('getLocale', null);
+    gLanguage = FirefoxCom.requestSync('getLocale', null);
 
     translateFragment();
 
diff --git a/browser/extensions/pdfjs/content/web/viewer.css b/browser/extensions/pdfjs/content/web/viewer.css
index 2d2864551033..80a8c5a40d66 100644
--- a/browser/extensions/pdfjs/content/web/viewer.css
+++ b/browser/extensions/pdfjs/content/web/viewer.css
@@ -11,7 +11,13 @@ body {
   height: 100%;
   background-color: #404040;
   background-image: url(images/texture.png);
-  font-family: Segoe UI, Verdana, sans-serif;
+}
+
+body,
+input,
+button,
+select {
+  font: message-box;
 }
 
 .hidden {
@@ -54,19 +60,31 @@ html[dir='rtl'] .innerCenter {
   bottom: 0;
   width: 200px;
   visibility: hidden;
-  -moz-transition-duration: 200ms;
-  -moz-transition-timing-function: ease;
   -webkit-transition-duration: 200ms;
   -webkit-transition-timing-function: ease;
+  -moz-transition-duration: 200ms;
+  -moz-transition-timing-function: ease;
+  -ms-transition-duration: 200ms;
+  -ms-transition-timing-function: ease;
+  -o-transition-duration: 200ms;
+  -o-transition-timing-function: ease;
+  transition-duration: 200ms;
+  transition-timing-function: ease;
+  
 }
 html[dir='ltr'] #sidebarContainer {
-  -moz-transition-property: left;
   -webkit-transition-property: left;
+  -moz-transition-property: left;
+  -ms-transition-property: left;
+  -o-transition-property: left;
+  transition-property: left;
   left: -200px;
 }
 html[dir='rtl'] #sidebarContainer {
-  -moz-transition-property: right;
   -webkit-transition-property: right;
+  -ms-transition-property: right;
+  -o-transition-property: right;
+  transition-property: right;
   right: -200px;
 }
 
@@ -87,19 +105,31 @@ html[dir='rtl'] #outerContainer.sidebarOpen > #sidebarContainer {
   right: 0;
   bottom: 0;
   left: 0;
-  -moz-transition-duration: 200ms;
-  -moz-transition-timing-function: ease;
   -webkit-transition-duration: 200ms;
   -webkit-transition-timing-function: ease;
+  -moz-transition-duration: 200ms;
+  -moz-transition-timing-function: ease;
+  -ms-transition-duration: 200ms;
+  -ms-transition-timing-function: ease;
+  -o-transition-duration: 200ms;
+  -o-transition-timing-function: ease;
+  transition-duration: 200ms;
+  transition-timing-function: ease;
 }
 html[dir='ltr'] #outerContainer.sidebarOpen > #mainContainer {
-  -moz-transition-property: left;
   -webkit-transition-property: left;
+  -moz-transition-property: left;
+  -ms-transition-property: left;
+  -o-transition-property: left;
+  transition-property: left;
   left: 200px;
 }
 html[dir='rtl'] #outerContainer.sidebarOpen > #mainContainer {
-  -moz-transition-property: right;
   -webkit-transition-property: right;
+  -moz-transition-property: right;
+  -ms-transition-property: right;
+  -o-transition-property: right;
+  transition-property: right;
   right: 200px;
 }
 
@@ -146,11 +176,17 @@ html[dir='rtl'] #sidebarContent {
 
 #toolbarSidebar {
   width: 200px;
-  height: 32px;
+  height: 29px;
+  background-image: url(images/texture.png),
+                    -webkit-linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
   background-image: url(images/texture.png),
                     -moz-linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
   background-image: url(images/texture.png),
-                    -webkit-linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
+                    -ms-linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
+  background-image: url(images/texture.png),
+                    -o-linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
+  background-image: url(images/texture.png),
+                    linear-gradient(hsla(0,0%,30%,.99), hsla(0,0%,25%,.95));
   box-shadow: inset -2px 0 0 hsla(0,0%,100%,.08),
               inset 0 1px 1px hsla(0,0%,0%,.15),
               inset 0 -1px 0 hsla(0,0%,100%,.05),
@@ -161,10 +197,16 @@ html[dir='rtl'] #sidebarContent {
 #toolbarViewer {
   position: relative;
   height: 32px;
+  background-image: url(images/texture.png),
+                    -webkit-linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
   background-image: url(images/texture.png),
                     -moz-linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
   background-image: url(images/texture.png),
-                    -webkit-linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
+                    -ms-linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
+  background-image: url(images/texture.png),
+                    -o-linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
+  background-image: url(images/texture.png),
+                    linear-gradient(hsla(0,0%,32%,.99), hsla(0,0%,27%,.95));
   border-left: 1px solid hsla(0,0%,0%,.5);
   box-shadow: inset 1px 0 0 hsla(0,0%,100%,.08),
               inset 0 1px 1px hsla(0,0%,0%,.15),
@@ -242,28 +284,48 @@ html[dir='rtl'] .splitToolbarButton > .toolbarButton {
   margin-right:0;
 }
 
+.splitToolbarButton.toggled .toolbarButton {
+  margin: 0;
+}
+
 .splitToolbarButton:hover > .toolbarButton,
 .splitToolbarButton:focus > .toolbarButton,
-.splitToolbarButton.toggled > .toolbarButton {
+.splitToolbarButton.toggled > .toolbarButton,
+.toolbarButton.textButton {
   background-color: hsla(0,0%,0%,.12);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -ms-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -o-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
   border: 1px solid hsla(0,0%,0%,.35);
   border-color: hsla(0,0%,0%,.32) hsla(0,0%,0%,.38) hsla(0,0%,0%,.42);
   box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
               0 0 1px hsla(0,0%,100%,.15) inset,
               0 1px 0 hsla(0,0%,100%,.05);
-  -moz-transition-property: background-color, border-color, box-shadow;
-  -moz-transition-duration: 150ms;
-  -moz-transition-timing-function: ease;
   -webkit-transition-property: background-color, border-color, box-shadow;
   -webkit-transition-duration: 150ms;
   -webkit-transition-timing-function: ease;
+  -moz-transition-property: background-color, border-color, box-shadow;
+  -moz-transition-duration: 150ms;
+  -moz-transition-timing-function: ease;
+  -ms-transition-property: background-color, border-color, box-shadow;
+  -ms-transition-duration: 150ms;
+  -ms-transition-timing-function: ease;
+  -o-transition-property: background-color, border-color, box-shadow;
+  -o-transition-duration: 150ms;
+  -o-transition-timing-function: ease;
+  transition-property: background-color, border-color, box-shadow;
+  transition-duration: 150ms;
+  transition-timing-function: ease;
+
 }
 .splitToolbarButton > .toolbarButton:hover,
 .splitToolbarButton > .toolbarButton:focus,
-.dropdownToolbarButton:hover {
+.dropdownToolbarButton:hover,
+.toolbarButton.textButton:hover,
+.toolbarButton.textButton:focus {
   background-color: hsla(0,0%,0%,.2);
   box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
               0 0 1px hsla(0,0%,100%,.15) inset,
@@ -308,12 +370,21 @@ html[dir='rtl'] .splitToolbarButtonSeparator {
   padding: 12px 0;
   margin: 0;
   box-shadow: 0 0 0 1px hsla(0,0%,100%,.03);
-  -moz-transition-property: padding;
-  -moz-transition-duration: 10ms;
-  -moz-transition-timing-function: ease;
   -webkit-transition-property: padding;
   -webkit-transition-duration: 10ms;
   -webkit-transition-timing-function: ease;
+  -moz-transition-property: padding;
+  -moz-transition-duration: 10ms;
+  -moz-transition-timing-function: ease;
+  -ms-transition-property: padding;
+  -ms-transition-duration: 10ms;
+  -ms-transition-timing-function: ease;
+  -o-transition-property: padding;
+  -o-transition-duration: 10ms;
+  -o-transition-timing-function: ease;
+  transition-property: padding;
+  transition-duration: 10ms;
+  transition-timing-function: ease;
 }
 
 .toolbarButton,
@@ -325,15 +396,26 @@ html[dir='rtl'] .splitToolbarButtonSeparator {
   color: hsl(0,0%,95%);
   font-size: 12px;
   line-height: 14px;
-  -moz-user-select:none;
   -webkit-user-select:none;
+  -moz-user-select:none;
+  -ms-user-select:none;
+  /* Opera does not support user-select, use <... unselectable="on"> instead */
   cursor: default;
-  -moz-transition-property: background-color, border-color, box-shadow;
-  -moz-transition-duration: 150ms;
-  -moz-transition-timing-function: ease;
   -webkit-transition-property: background-color, border-color, box-shadow;
   -webkit-transition-duration: 150ms;
   -webkit-transition-timing-function: ease;
+  -moz-transition-property: background-color, border-color, box-shadow;
+  -moz-transition-duration: 150ms;
+  -moz-transition-timing-function: ease;
+  -ms-transition-property: background-color, border-color, box-shadow;
+  -ms-transition-duration: 150ms;
+  -ms-transition-timing-function: ease;
+  -o-transition-property: background-color, border-color, box-shadow;
+  -o-transition-duration: 150ms;
+  -o-transition-timing-function: ease;
+  transition-property: background-color, border-color, box-shadow;
+  transition-duration: 150ms;
+  transition-timing-function: ease;
 }
 
 html[dir='ltr'] .toolbarButton,
@@ -349,8 +431,11 @@ html[dir='rtl'] .dropdownToolbarButton {
 .toolbarButton:focus,
 .dropdownToolbarButton {
   background-color: hsla(0,0%,0%,.12);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -ms-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -o-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
   border: 1px solid hsla(0,0%,0%,.35);
   border-color: hsla(0,0%,0%,.32) hsla(0,0%,0%,.38) hsla(0,0%,0%,.42);
@@ -362,35 +447,59 @@ html[dir='rtl'] .dropdownToolbarButton {
 .toolbarButton:hover:active,
 .dropdownToolbarButton:hover:active {
   background-color: hsla(0,0%,0%,.2);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -ms-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -o-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   border-color: hsla(0,0%,0%,.35) hsla(0,0%,0%,.4) hsla(0,0%,0%,.45);
   box-shadow: 0 1px 1px hsla(0,0%,0%,.1) inset,
               0 0 1px hsla(0,0%,0%,.2) inset,
               0 1px 0 hsla(0,0%,100%,.05);
-  -moz-transition-property: background-color, border-color, box-shadow;
-  -moz-transition-duration: 10ms;
-  -moz-transition-timing-function: linear;
   -webkit-transition-property: background-color, border-color, box-shadow;
   -webkit-transition-duration: 10ms;
   -webkit-transition-timing-function: linear;
+  -moz-transition-property: background-color, border-color, box-shadow;
+  -moz-transition-duration: 10ms;
+  -moz-transition-timing-function: linear;
+  -ms-transition-property: background-color, border-color, box-shadow;
+  -ms-transition-duration: 10ms;
+  -ms-transition-timing-function: linear;
+  -o-transition-property: background-color, border-color, box-shadow;
+  -o-transition-duration: 10ms;
+  -o-transition-timing-function: linear;
+  transition-property: background-color, border-color, box-shadow;
+  transition-duration: 10ms;
+  transition-timing-function: linear;
 }
 
 .toolbarButton.toggled,
 .splitToolbarButton.toggled > .toolbarButton.toggled {
   background-color: hsla(0,0%,0%,.3);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -ms-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -o-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   border-color: hsla(0,0%,0%,.4) hsla(0,0%,0%,.45) hsla(0,0%,0%,.5);
   box-shadow: 0 1px 1px hsla(0,0%,0%,.1) inset,
               0 0 1px hsla(0,0%,0%,.2) inset,
               0 1px 0 hsla(0,0%,100%,.05);
-  -moz-transition-property: background-color, border-color, box-shadow;
-  -moz-transition-duration: 10ms;
-  -moz-transition-timing-function: linear;
   -webkit-transition-property: background-color, border-color, box-shadow;
   -webkit-transition-duration: 10ms;
   -webkit-transition-timing-function: linear;
+  -moz-transition-property: background-color, border-color, box-shadow;
+  -moz-transition-duration: 10ms;
+  -moz-transition-timing-function: linear;
+  -ms-transition-property: background-color, border-color, box-shadow;
+  -ms-transition-duration: 10ms;
+  -ms-transition-timing-function: linear;
+  -o-transition-property: background-color, border-color, box-shadow;
+  -o-transition-duration: 10ms;
+  -o-transition-timing-function: linear;
+  transition-property: background-color, border-color, box-shadow;
+  transition-duration: 10ms;
+  transition-timing-function: linear;
 }
 
 .toolbarButton.toggled:hover:active,
@@ -417,8 +526,8 @@ html[dir='rtl'] .dropdownToolbarButton {
 }
 
 .dropdownToolbarButton > select {
-  -moz-appearance: none; /* in the future this might matter, see bugzilla bug #649849 */
   -webkit-appearance: none;
+  -moz-appearance: none; /* in the future this might matter, see bugzilla bug #649849 */
   min-width: 140px;
   font-size: 12px;
   color: hsl(0,0%,95%);
@@ -460,8 +569,8 @@ html[dir='rtl'] .toolbarButton:first-child {
 }
 
 .toolbarButtonFlexibleSpacer {
-  -moz-box-flex: 1;
   -webkit-box-flex: 1;
+  -moz-box-flex: 1;
   min-width: 30px;
 }
 
@@ -516,8 +625,8 @@ html[dir='rtl'] .toolbarButton.pageDown::before {
 }
 
 .toolbarButton.bookmark {
-  -moz-box-sizing: border-box;
   -webkit-box-sizing: border-box;
+  -moz-box-sizing: border-box;
   box-sizing: border-box;
   margin-top: 3px;
   padding-top: 4px;
@@ -544,8 +653,6 @@ html[dir='rtl'] .toolbarButton.pageDown::before {
 
 
 .toolbarField {
-  min-width: 16px;
-  width: 32px;
   padding: 3px 6px;
   margin: 4px 0 4px 0;
   border: 1px solid transparent;
@@ -560,7 +667,6 @@ html[dir='rtl'] .toolbarButton.pageDown::before {
   color: hsl(0,0%,95%);
   font-size: 12px;
   line-height: 14px;
-  text-align: right;
   outline-style: none;
   -moz-transition-property: background-color, border-color, box-shadow;
   -moz-transition-duration: 150ms;
@@ -568,6 +674,8 @@ html[dir='rtl'] .toolbarButton.pageDown::before {
 }
 
 .toolbarField.pageNumber {
+  min-width: 16px;
+  text-align: right;
   width: 40px;
 }
 
@@ -597,8 +705,8 @@ html[dir='rtl'] .toolbarButton.pageDown::before {
   font-size: 12px;
   line-height: 14px;
   text-align: left;
-  -moz-user-select:none;
   -webkit-user-select:none;
+  -moz-user-select:none;
   cursor: default;
 }
 
@@ -674,17 +782,19 @@ a:focus > .thumbnail > .thumbnailSelectionRing,
   bottom: 0;
   padding: 4px 4px 0;
   overflow: auto;
-  -moz-user-select:none;
   -webkit-user-select:none;
+  -moz-user-select:none;
 }
 
 .outlineItem > .outlineItems {
   margin-left: 20px;
 }
 
-.outlineItem > a {
+.outlineItem > a,
+#searchResults > a {
   text-decoration: none;
-  display: block;
+  display: inline-block;
+  min-width: 95%;
   height: 20px;
   padding: 2px 0 0 10px;
   margin-bottom: 1px;
@@ -697,7 +807,8 @@ a:focus > .thumbnail > .thumbnailSelectionRing,
   white-space: nowrap;
 }
 
-.outlineItem > a:hover {
+.outlineItem > a:hover,
+#searchResults > a:hover {
   background-color: hsla(0,0%,100%,.02);
   background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
   background-clip: padding-box;
@@ -707,6 +818,23 @@ a:focus > .thumbnail > .thumbnailSelectionRing,
   color: hsla(0,0%,100%,.9);
 }
 
+.outlineItem.selected {
+  background-color: hsla(0,0%,100%,.08);
+  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-clip: padding-box;
+  box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
+              0 0 1px hsla(0,0%,100%,.1) inset,
+              0 0 1px hsla(0,0%,0%,.2);
+  color: hsla(0,0%,100%,1);
+}
+
+.noOutline,
+.noResults {
+  font-size: 12px;
+  color: hsla(0,0%,100%,.8);
+  font-style: italic;
+}
+
 #searchScrollView {
   position: absolute;
   top: 10px;
@@ -723,27 +851,26 @@ a:focus > .thumbnail > .thumbnailSelectionRing,
 }
 
 #searchToolbar > input {
-  margin-left: 8px;
-  width: 130px;
+  margin-left: 4px;
+  width: 124px;
+}
+
+#searchToolbar button {
+  width: auto;
+  margin: 0;
+  padding: 0 6px;
+  height: 22px;
 }
 
 #searchResults {
   overflow: auto;
-  background-color: #fff;
   position: absolute;
   top: 30px;
   bottom: 0px;
   left: 0px;
   right: 0;
+  padding: 4px 4px 0;
   font-size: smaller;
-  opacity: 0.7;
-}
-
-#searchResults a {
-  display: block;
-  white-space: pre;
-  text-decoration: none;
-  color: black;
 }
 
 #sidebarControls {
@@ -754,24 +881,6 @@ a:focus > .thumbnail > .thumbnailSelectionRing,
   bottom: 35px;
 }
 
-.outlineItem.selected {
-  background-color: hsla(0,0%,100%,.08);
-  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
-  background-clip: padding-box;
-  box-shadow: 0 1px 0 hsla(0,0%,100%,.05) inset,
-              0 0 1px hsla(0,0%,100%,.1) inset,
-              0 0 1px hsla(0,0%,0%,.2);
-  color: hsla(0,0%,100%,1);
-}
-
-.noOutline {
-  font-size: 12px;
-  color: hsla(0,0%,100%,.8);
-  font-style: italic;
-}
-
-
-
 canvas {
   margin: auto;
   display: block;
@@ -784,9 +893,9 @@ canvas {
   margin: 10px auto;
   position: relative;
   overflow: hidden;
-  box-shadow: 0px 4px 10px #000;
-  -moz-box-shadow: 0px 4px 10px #000;
   -webkit-box-shadow: 0px 4px 10px #000;
+  -moz-box-shadow: 0px 4px 10px #000;
+  box-shadow: 0px 4px 10px #000;
   background-color: white;
 }
 
@@ -798,9 +907,9 @@ canvas {
 .page > a:hover {
   opacity: 0.2;
   background: #ff0;
-  box-shadow: 0px 2px 10px #ff0;
-  -moz-box-shadow: 0px 2px 10px #ff0;
   -webkit-box-shadow: 0px 2px 10px #ff0;
+  -moz-box-shadow: 0px 2px 10px #ff0;
+  box-shadow: 0px 2px 10px #ff0;
 }
 
 .loadingIcon {
@@ -814,23 +923,33 @@ canvas {
 }
 
 #loadingBox {
-  margin: 100px 0;
+  position: absolute;
+  top: 50%;
+  margin-top: -25px;
+  left: 0;
+  right: 0;
   text-align: center;
   color: #ddd;
   font-size: 14px;
 }
 
 #loadingBar {
-  background-color: #333;
   display: inline-block;
-  border: 1px solid black;
   clear: both;
   margin: 0px;
   margin-top: 5px;
   line-height: 0;
-  border-radius: 4px;
+  border-radius: 2px;
   width: 200px;
   height: 25px;
+
+  background-color: hsla(0,0%,0%,.3);
+  background-image: -moz-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  background-image: -webkit-linear-gradient(hsla(0,0%,100%,.05), hsla(0,0%,100%,0));
+  border: 1px solid #000;
+  box-shadow: 0 1px 1px hsla(0,0%,0%,.1) inset,
+              0 0 1px hsla(0,0%,0%,.2) inset,
+              0 0 1px 1px rgba(255, 255, 255, 0.1);
 }
 
 #loadingBar .progress {
@@ -838,23 +957,23 @@ canvas {
   float: left;
 
   background: #666;
-  background: -moz-linear-gradient(top, #999 0%, #666 50%, #999 100%);
-  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#999), color-stop(50%,#666), color-stop(100%,#999));
-  background: -webkit-linear-gradient(top, #999 0%,#666 50%,#999 100%);
-  background: -o-linear-gradient(top, #999 0%,#666 50%,#999 100%);
-  background: -ms-linear-gradient(top, #999 0%,#666 50%,#999 100%);
-  background: linear-gradient(top, #999 0%,#666 50%,#999 100%);    
+  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#b2b2b2), color-stop(100%,#898989));
+  background: -webkit-linear-gradient(top, #b2b2b2 0%,#898989 100%);
+  background: -moz-linear-gradient(top, #b2b2b2 0%,#898989 100%);
+  background: -ms-linear-gradient(top, #b2b2b2 0%,#898989 100%);
+  background: -o-linear-gradient(top, #b2b2b2 0%,#898989 100%);
+  background: linear-gradient(top, #b2b2b2 0%,#898989 100%);    
 
-  border-top-left-radius: 3px;
-  border-bottom-left-radius: 3px;
+  border-top-left-radius: 2px;
+  border-bottom-left-radius: 2px;
 
   width: 0%;
   height: 100%;
 }
 
 #loadingBar .progress.full {
-  border-top-right-radius: 3px;
-  border-bottom-right-radius: 3px;
+  border-top-right-radius: 2px;
+  border-bottom-right-radius: 2px;
 }
 
 .textLayer {
@@ -896,9 +1015,9 @@ canvas {
   padding: 0.2em;
   max-width: 20em;
   background-color: #F1E47B;
-  box-shadow: 0px 2px 10px #333;
-  -moz-box-shadow: 0px 2px 10px #333;
   -webkit-box-shadow: 0px 2px 10px #333;
+  -moz-box-shadow: 0px 2px 10px #333;
+  box-shadow: 0px 2px 10px #333;
 }
 
 .annotComment > div > h1 {
@@ -994,7 +1113,16 @@ canvas {
   font-size: 10px;
 }
 
+@page {
+  margin: 0;
+} 
+
+#printContainer {
+  display: none;
+}
+
 @media print {
+  /* Rules for browsers that don't support mozPrintCallback. */
   #sidebarContainer, .toolbar, #loadingBox, #errorWrapper, .textLayer {
     display: none;
   }
@@ -1008,14 +1136,27 @@ canvas {
   .page {
     float: left;
     display: none;
-    box-shadow: none;
-    -moz-box-shadow: none;
     -webkit-box-shadow: none;
+    -moz-box-shadow: none;
+    box-shadow: none;
   }
 
   .page[data-loaded] {
     display: block;
   }
+
+  /* Rules for browsers that support mozPrintCallback */
+  body[data-mozPrintCallback] #outerContainer {
+    display: none;
+  }
+  body[data-mozPrintCallback] #printContainer {
+    display: block;
+  }
+  #printContainer canvas {
+    position: relative;
+    top: 0;
+    left: 0;
+  }
 }
 
 @media all and (max-width: 950px) {
@@ -1066,3 +1207,10 @@ canvas {
     display: none;
   }
 }
+
+@media all and (max-width: 500px) {
+  #scaleSelectContainer, #pageNumberLabel {
+    display: none;
+  }
+}
+
diff --git a/browser/extensions/pdfjs/content/web/viewer.html b/browser/extensions/pdfjs/content/web/viewer.html
index 776fbec2ec74..4b895ab12061 100644
--- a/browser/extensions/pdfjs/content/web/viewer.html
+++ b/browser/extensions/pdfjs/content/web/viewer.html
@@ -2,6 +2,7 @@
 <html dir="ltr">
   <head>
     <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
     <title>PDF.js viewer</title>
 <!-- This snippet is used in firefox extension, see Makefile -->
 <base href="resource://pdf.js/web/" />
@@ -22,7 +23,7 @@ var PDFJS = {};
   // Use strict in our context only - users might not want it
   'use strict';
 
-  PDFJS.build = '121040a';
+  PDFJS.build = 'c757eed';
 
   // Files are inserted below - see Makefile
 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
@@ -1187,7 +1188,9 @@ var StatTimer = (function StatTimerClosure() {
  * @return {Promise} A promise that is resolved with {PDFDocumentProxy} object.
  */
 PDFJS.getDocument = function getDocument(source) {
-  var url, data, headers, password, parameters = {};
+  var url, data, headers, password, parameters = {}, workerInitializedPromise,
+    workerReadyPromise, transport;
+
   if (typeof source === 'string') {
     url = source;
   } else if (isArrayBuffer(source)) {
@@ -1206,8 +1209,9 @@ PDFJS.getDocument = function getDocument(source) {
           'string or a parameter object');
   }
 
-  var promise = new PDFJS.Promise();
-  var transport = new WorkerTransport(promise);
+  workerInitializedPromise = new PDFJS.Promise();
+  workerReadyPromise = new PDFJS.Promise();
+  transport = new WorkerTransport(workerInitializedPromise, workerReadyPromise);
   if (data) {
     // assuming the data is array, instantiating directly from it
     transport.sendData(data, parameters);
@@ -1217,24 +1221,31 @@ PDFJS.getDocument = function getDocument(source) {
       {
         url: url,
         progress: function getPDFProgress(evt) {
-          if (evt.lengthComputable)
-            promise.progress({
+          if (evt.lengthComputable) {
+            workerReadyPromise.progress({
               loaded: evt.loaded,
               total: evt.total
             });
+          }
         },
         error: function getPDFError(e) {
-          promise.reject('Unexpected server response of ' +
+          workerReadyPromise.reject('Unexpected server response of ' +
             e.target.status + '.');
         },
         headers: headers
       },
       function getPDFLoad(data) {
-        transport.sendData(data, parameters);
+        // sometimes the pdf has finished downloading before the web worker-test
+        // has finished. In that case the rendering of the final pdf would cause
+        // errors. We have to wait for the WorkerTransport to finalize worker-
+        // support detection
+        workerInitializedPromise.then(function workerInitialized() {
+          transport.sendData(data, parameters);
+        });
       });
   }
 
-  return promise;
+  return workerReadyPromise;
 };
 
 /**
@@ -1320,6 +1331,15 @@ var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
       promise.resolve(this.pdfInfo.encrypted);
       return promise;
     },
+    /**
+     * @return {Promise} A promise that is resolved with a TypedArray that has
+     * the raw data from the PDF.
+     */
+    getData: function PDFDocumentProxy_getData() {
+      var promise = new PDFJS.Promise();
+      this.transport.getData(promise);
+      return promise;
+    },
     destroy: function PDFDocumentProxy_destroy() {
       this.transport.destroy();
     }
@@ -1394,7 +1414,11 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
      * {
      *   canvasContext(required): A 2D context of a DOM Canvas object.,
      *   textLayer(optional): An object that has beginLayout, endLayout, and
-     *                        appendText functions.
+     *                        appendText functions.,
+     *   continueCallback(optional): A function that will be called each time
+     *                               the rendering is paused.  To continue
+     *                               rendering call the function that is the
+     *                               first argument to the callback.
      * }.
      * @return {Promise} A promise that is resolved when the page finishes
      * rendering.
@@ -1430,6 +1454,7 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
         else
           promise.resolve();
       };
+      var continueCallback = params.continueCallback;
 
       // Once the operatorList and fonts are loaded, do the actual rendering.
       this.displayReadyPromise.then(
@@ -1442,7 +1467,7 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
           var gfx = new CanvasGraphics(params.canvasContext,
             this.objs, params.textLayer);
           try {
-            this.display(gfx, params.viewport, complete);
+            this.display(gfx, params.viewport, complete, continueCallback);
           } catch (e) {
             complete(e);
           }
@@ -1500,7 +1525,8 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
     /**
      * For internal use only.
      */
-    display: function PDFPageProxy_display(gfx, viewport, callback) {
+    display: function PDFPageProxy_display(gfx, viewport, callback,
+                                           continueCallback) {
       var stats = this.stats;
       stats.time('Rendering');
 
@@ -1516,10 +1542,16 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
         stepper.nextBreakPoint = stepper.getNextBreakPoint();
       }
 
+      var continueWrapper;
+      if (continueCallback)
+        continueWrapper = function() { continueCallback(next); }
+      else
+        continueWrapper = next;
+
       var self = this;
       function next() {
-        startIdx =
-          gfx.executeOperatorList(operatorList, startIdx, next, stepper);
+        startIdx = gfx.executeOperatorList(operatorList, startIdx,
+                                           continueWrapper, stepper);
         if (startIdx == length) {
           gfx.endDrawing();
           stats.timeEnd('Rendering');
@@ -1527,7 +1559,7 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
           if (callback) callback();
         }
       }
-      next();
+      continueWrapper();
     },
     /**
      * @return {Promise} That is resolved with the a {string} that is the text
@@ -1574,8 +1606,8 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
  * For internal use only.
  */
 var WorkerTransport = (function WorkerTransportClosure() {
-  function WorkerTransport(promise) {
-    this.workerReadyPromise = promise;
+  function WorkerTransport(workerInitializedPromise, workerReadyPromise) {
+    this.workerReadyPromise = workerReadyPromise;
     this.objs = new PDFObjects();
 
     this.pageCache = [];
@@ -1619,6 +1651,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
             globalScope.PDFJS.disableWorker = true;
             this.setupFakeWorker();
           }
+          workerInitializedPromise.resolve();
         }.bind(this));
 
         var testObj = new Uint8Array(1);
@@ -1634,6 +1667,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
     // Thus, we fallback to a faked worker.
     globalScope.PDFJS.disableWorker = true;
     this.setupFakeWorker();
+    workerInitializedPromise.resolve();
   }
   WorkerTransport.prototype = {
     destroy: function WorkerTransport_destroy() {
@@ -1785,6 +1819,12 @@ var WorkerTransport = (function WorkerTransportClosure() {
       this.messageHandler.send('GetDocRequest', {data: data, params: params});
     },
 
+    getData: function WorkerTransport_sendData(promise) {
+      this.messageHandler.send('GetData', null, function(data) {
+        promise.resolve(data);
+      });
+    },
+
     getPage: function WorkerTransport_getPage(pageNumber, promise) {
       var pageIndex = pageNumber - 1;
       if (pageIndex in this.pagePromises)
@@ -2903,6 +2943,40 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
           }
         }
       }
+      function rescaleImage(pixels, widthScale, heightScale) {
+        var scaledWidth = Math.ceil(width / widthScale);
+        var scaledHeight = Math.ceil(height / heightScale);
+
+        var itemsSum = new Uint32Array(scaledWidth * scaledHeight * 4);
+        var itemsCount = new Uint32Array(scaledWidth * scaledHeight);
+        for (var i = 0, position = 0; i < height; i++) {
+          var lineOffset = (0 | (i / heightScale)) * scaledWidth;
+          for (var j = 0; j < width; j++) {
+            var countOffset = lineOffset + (0 | (j / widthScale));
+            var sumOffset = countOffset << 2;
+            itemsSum[sumOffset] += pixels[position];
+            itemsSum[sumOffset + 1] += pixels[position + 1];
+            itemsSum[sumOffset + 2] += pixels[position + 2];
+            itemsSum[sumOffset + 3] += pixels[position + 3];
+            itemsCount[countOffset]++;
+            position += 4;
+          }
+        }
+        var tmpCanvas = createScratchCanvas(scaledWidth, scaledHeight);
+        var tmpCtx = tmpCanvas.getContext('2d');
+        var imgData = tmpCtx.getImageData(0, 0, scaledWidth, scaledHeight);
+        pixels = imgData.data;
+        for (var i = 0, j = 0, ii = scaledWidth * scaledHeight; i < ii; i++) {
+          var count = itemsCount[i];
+          pixels[j] = itemsSum[j] / count;
+          pixels[j + 1] = itemsSum[j + 1] / count;
+          pixels[j + 2] = itemsSum[j + 2] / count;
+          pixels[j + 3] = itemsSum[j + 3] / count;
+          j += 4;
+        }
+        tmpCtx.putImageData(imgData, 0, 0);
+        return tmpCanvas;
+      }
 
       this.save();
 
@@ -2925,8 +2999,19 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
 
       applyStencilMask(pixels, inverseDecode);
 
-      tmpCtx.putImageData(imgData, 0, 0);
-      ctx.drawImage(tmpCanvas, 0, -h);
+      var currentTransform = ctx.mozCurrentTransformInverse;
+      var widthScale = Math.max(Math.abs(currentTransform[0]), 1);
+      var heightScale = Math.max(Math.abs(currentTransform[3]), 1);
+      if (widthScale >= 2 || heightScale >= 2) {
+        // canvas does not resize well large images to small -- using simple
+        // algorithm to perform pre-scaling
+        tmpCanvas = rescaleImage(imgData.data, widthScale, heightScale);
+        ctx.scale(widthScale, heightScale);
+        ctx.drawImage(tmpCanvas, 0, -h / heightScale);
+      } else {
+        tmpCtx.putImageData(imgData, 0, 0);
+        ctx.drawImage(tmpCanvas, 0, -h);
+      }
       this.restore();
     },
 
@@ -13216,8 +13301,10 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
         insertDependency([objId]);
         args = [objId, w, h];
 
-        var softMask = dict.get('SMask', 'IM') || false;
-        if (!softMask && image instanceof JpegStream &&
+        var softMask = dict.get('SMask', 'SM') || false;
+        var mask = dict.get('Mask') || false;
+
+        if (!softMask && !mask && image instanceof JpegStream &&
             image.isNativelySupported(xref, resources)) {
           // These JPEGs don't need any more processing so we can just send it.
           fn = 'paintJpegXObject';
@@ -14509,7 +14596,7 @@ var FontLoader = {
 
       // XXX we should have a time-out here too, and maybe fire
       // pdfjsFontLoadFailed?
-      var src = '<!DOCTYPE HTML><html><head>';
+      var src = '<!DOCTYPE HTML><html><head><meta charset="utf-8">';
       src += '<style type="text/css">';
       for (var i = 0, ii = rules.length; i < ii; ++i) {
         src += rules[i];
@@ -16750,14 +16837,16 @@ var Font = (function FontClosure() {
             }
           }
           for (var index in newGlyphUnicodes) {
-            var unicode = newGlyphUnicodes[index];
-            if (reverseMap[unicode]) {
-              // avoiding assigning to the same unicode
-              glyphs[index].unicode = unusedUnicode++;
-              continue;
+            if (newGlyphUnicodes.hasOwnProperty(index)) {
+              var unicode = newGlyphUnicodes[index];
+              if (reverseMap[unicode]) {
+                // avoiding assigning to the same unicode
+                glyphs[index].unicode = unusedUnicode++;
+                continue;
+              }
+              glyphs[index].unicode = unicode;
+              reverseMap[unicode] = index;
             }
-            glyphs[index].unicode = unicode;
-            reverseMap[unicode] = index;
           }
           this.useToFontChar = true;
         }
@@ -17081,9 +17170,13 @@ var Font = (function FontClosure() {
                  window.btoa(data) + ');');
       var rule = "@font-face { font-family:'" + fontName + "';src:" + url + '}';
 
-      var styleElement = document.createElement('style');
-      document.documentElement.getElementsByTagName('head')[0].appendChild(
-        styleElement);
+      var styleElement = document.getElementById('PDFJS_FONT_STYLE_TAG');
+      if (!styleElement) {
+          styleElement = document.createElement('style');
+          styleElement.id = 'PDFJS_FONT_STYLE_TAG';
+          document.documentElement.getElementsByTagName('head')[0].appendChild(
+            styleElement);
+      }
 
       var styleSheet = styleElement.sheet;
       styleSheet.insertRule(rule, styleSheet.cssRules.length);
@@ -18336,8 +18429,10 @@ var CFFParser = (function CFFParserClosure() {
 
       // DirectWrite does not like CID fonts data. Trying to convert/flatten
       // the font data and remove CID properties.
-      if (cff.fdArray.length !== 1)
-        error('Unable to normalize CID font in CFF data');
+      if (cff.fdArray.length !== 1) {
+        warn('Unable to normalize CID font in CFF data -- using font as is');
+        return cff;
+      }
 
       var fontDict = cff.fdArray[0];
       fontDict.setByKey(17, topDict.getByName('CharStrings'));
@@ -23653,7 +23748,7 @@ var PDFImage = (function PDFImageClosure() {
     // Clamp the value to the range
     return value < 0 ? 0 : value > max ? max : value;
   }
-  function PDFImage(xref, res, image, inline, smask) {
+  function PDFImage(xref, res, image, inline, smask, mask) {
     this.image = image;
     if (image.getParams) {
       // JPX/JPEG2000 streams directly contain bits per component
@@ -23714,12 +23809,10 @@ var PDFImage = (function PDFImageClosure() {
       }
     }
 
-    var mask = dict.get('Mask');
-
-    if (mask) {
-      TODO('masked images');
-    } else if (smask) {
+    if (smask) {
       this.smask = new PDFImage(xref, res, smask, false);
+    } else if (mask) {
+      this.mask = new PDFImage(xref, res, mask, false);
     }
   }
   /**
@@ -23730,21 +23823,36 @@ var PDFImage = (function PDFImageClosure() {
                                                      res, image, inline) {
     var imageDataPromise = new Promise();
     var smaskPromise = new Promise();
+    var maskPromise = new Promise();
     // The image data and smask data may not be ready yet, wait till both are
     // resolved.
-    Promise.all([imageDataPromise, smaskPromise]).then(function(results) {
-      var imageData = results[0], smaskData = results[1];
-      var image = new PDFImage(xref, res, imageData, inline, smaskData);
+    Promise.all([imageDataPromise, smaskPromise, maskPromise]).then(
+        function(results) {
+      var imageData = results[0], smaskData = results[1], maskData = results[2];
+      var image = new PDFImage(xref, res, imageData, inline, smaskData,
+                               maskData);
       callback(image);
     });
 
     handleImageData(handler, xref, res, image, imageDataPromise);
 
     var smask = image.dict.get('SMask');
-    if (smask)
+    var mask = image.dict.get('Mask');
+
+    if (smask) {
       handleImageData(handler, xref, res, smask, smaskPromise);
-    else
+      maskPromise.resolve(null);
+    } else {
       smaskPromise.resolve(null);
+      if (mask && isStream(mask)) {
+        handleImageData(handler, xref, res, mask, maskPromise);
+      } else if (mask) {
+        TODO('handle color key masking');
+        maskPromise.resolve(null);
+      } else {
+        maskPromise.resolve(null);
+      }
+    }
   };
 
   /**
@@ -23888,6 +23996,7 @@ var PDFImage = (function PDFImageClosure() {
     },
     getOpacity: function PDFImage_getOpacity(width, height) {
       var smask = this.smask;
+      var mask = this.mask;
       var originalWidth = this.width;
       var originalHeight = this.height;
       var buf;
@@ -23898,7 +24007,20 @@ var PDFImage = (function PDFImageClosure() {
         buf = new Uint8Array(sw * sh);
         smask.fillGrayBuffer(buf);
         if (sw != width || sh != height)
-          buf = PDFImage.resize(buf, smask.bps, 1, sw, sh, width, height);
+          buf = PDFImage.resize(buf, smask.bpc, 1, sw, sh, width, height);
+      } else if (mask) {
+        var sw = mask.width;
+        var sh = mask.height;
+        buf = new Uint8Array(sw * sh);
+        mask.numComps = 1;
+        mask.fillGrayBuffer(buf);
+
+        // Need to invert values in buffer
+        for (var i = 0, ii = sw * sh; i < ii; ++i)
+          buf[i] = 255 - buf[i];
+
+        if (sw != width || sh != height)
+          buf = PDFImage.resize(buf, mask.bpc, 1, sw, sh, width, height);
       } else {
         buf = new Uint8Array(width * height);
         for (var i = 0, ii = width * height; i < ii; ++i)
@@ -27197,7 +27319,8 @@ var Parser = (function ParserClosure() {
         return new RunLengthStream(stream);
       }
       if (name == 'JBIG2Decode') {
-        error('JBIG2 image format is not currently supprted.');
+        var bytes = stream.getBytes(length);
+        return new Jbig2Stream(bytes, stream.dict);
       }
       warn('filter "' + name + '" not supported yet');
       return stream;
@@ -28884,6 +29007,50 @@ var JpxStream = (function JpxStreamClosure() {
   return JpxStream;
 })();
 
+/**
+ * For JBIG2's we use a library to decode these images and
+ * the stream behaves like all the other DecodeStreams.
+ */
+var Jbig2Stream = (function Jbig2StreamClosure() {
+  function Jbig2Stream(bytes, dict) {
+    this.dict = dict;
+    this.bytes = bytes;
+
+    DecodeStream.call(this);
+  }
+
+  Jbig2Stream.prototype = Object.create(DecodeStream.prototype);
+
+  Jbig2Stream.prototype.ensureBuffer = function Jbig2Stream_ensureBuffer(req) {
+    if (this.bufferLength)
+      return;
+
+    var jbig2Image = new Jbig2Image();
+
+    var chunks = [], decodeParams = this.dict.get('DecodeParms');
+    if (decodeParams && decodeParams.has('JBIG2Globals')) {
+      var globalsStream = decodeParams.get('JBIG2Globals');
+      var globals = globalsStream.getBytes();
+      chunks.push({data: globals, start: 0, end: globals.length});
+    }
+    chunks.push({data: this.bytes, start: 0, end: this.bytes.length});
+    var data = jbig2Image.parseChunks(chunks);
+    var dataLength = data.length;
+
+    // JBIG2 had black as 1 and white as 0, inverting the colors
+    for (var i = 0; i < dataLength; i++)
+      data[i] ^= 0xFF;
+
+    this.buffer = data;
+    this.bufferLength = dataLength;
+  };
+  Jbig2Stream.prototype.getChar = function Jbig2Stream_getChar() {
+    error('internal error: getChar is not valid on Jbig2Stream');
+  };
+
+  return Jbig2Stream;
+})();
+
 var DecryptStream = (function DecryptStreamClosure() {
   function DecryptStream(str, decrypt) {
     this.str = str;
@@ -30336,6 +30503,10 @@ var WorkerMessageHandler = {
       handler.send('GetPage', {pageInfo: page});
     });
 
+    handler.on('GetData', function wphSetupGetData(data, promise) {
+      promise.resolve(pdfModel.stream.bytes);
+    });
+
     handler.on('GetAnnotationsRequest', function wphSetupGetAnnotations(data) {
       var pdfPage = pdfModel.getPage(data.pageIndex + 1);
       handler.send('GetAnnotations', {
@@ -31651,8 +31822,7 @@ var JpxImage = (function JpxImageClosure() {
                   cod.selectiveArithmeticCodingBypass ||
                   cod.resetContextProbabilities ||
                   cod.terminationOnEachCodingPass ||
-                  cod.verticalyStripe || cod.predictableTermination ||
-                  cod.segmentationSymbolUsed)
+                  cod.verticalyStripe || cod.predictableTermination)
                 throw 'Unsupported COD options: ' + uneval(cod);
 
               if (context.mainHeader)
@@ -32229,7 +32399,8 @@ var JpxImage = (function JpxImageClosure() {
     return position;
   }
   function copyCoefficients(coefficients, x0, y0, width, height,
-                            delta, mb, codeblocks, transformation) {
+                            delta, mb, codeblocks, transformation,
+                            segmentationSymbolUsed) {
     var r = 0.5; // formula (E-6)
     for (var i = 0, ii = codeblocks.length; i < ii; ++i) {
       var codeblock = codeblocks[i];
@@ -32273,6 +32444,8 @@ var JpxImage = (function JpxImageClosure() {
             break;
           case 2:
             bitModel.runCleanupPass();
+            if (segmentationSymbolUsed)
+              bitModel.checkSegmentationSymbol();
             break;
         }
         currentCodingpassType = (currentCodingpassType + 1) % 3;
@@ -32309,6 +32482,7 @@ var JpxImage = (function JpxImageClosure() {
     var scalarExpounded = quantizationParameters.scalarExpounded;
     var guardBits = quantizationParameters.guardBits;
     var transformation = codingStyleParameters.transformation;
+    var segmentationSymbolUsed = codingStyleParameters.segmentationSymbolUsed;
     var precision = context.components[c].precision;
 
     var subbandCoefficients = [];
@@ -32339,7 +32513,8 @@ var JpxImage = (function JpxImageClosure() {
 
         var coefficients = new Float32Array(width * height);
         copyCoefficients(coefficients, subband.tbx0, subband.tby0,
-          width, height, delta, mb, subband.codeblocks, transformation);
+          width, height, delta, mb, subband.codeblocks, transformation,
+          segmentationSymbolUsed);
 
         subbandCoefficients.push({
           width: width,
@@ -33042,6 +33217,14 @@ var JpxImage = (function JpxImageClosure() {
             }
           }
         }
+      },
+      checkSegmentationSymbol: function BitModel_checkSegmentationSymbol() {
+        var decoder = this.decoder;
+        var cx = this.uniformContext;
+        var symbol = (decoder.readBit(cx) << 3) | (decoder.readBit(cx) << 2) |
+                     (decoder.readBit(cx) << 1) | decoder.readBit(cx);
+        if (symbol != 0xA)
+          throw 'Invalid segmentation symbol';
       }
     };
 
@@ -33258,6 +33441,1068 @@ var JpxImage = (function JpxImageClosure() {
 })();
 
 
+/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+
+'use strict';
+
+var Jbig2Image = (function Jbig2ImageClosure() {
+
+  // Annex E. Arithmetic Coding
+  var ArithmeticDecoder = (function ArithmeticDecoderClosure() {
+    var QeTable = [
+      {qe: 0x5601, nmps: 1, nlps: 1, switchFlag: 1},
+      {qe: 0x3401, nmps: 2, nlps: 6, switchFlag: 0},
+      {qe: 0x1801, nmps: 3, nlps: 9, switchFlag: 0},
+      {qe: 0x0AC1, nmps: 4, nlps: 12, switchFlag: 0},
+      {qe: 0x0521, nmps: 5, nlps: 29, switchFlag: 0},
+      {qe: 0x0221, nmps: 38, nlps: 33, switchFlag: 0},
+      {qe: 0x5601, nmps: 7, nlps: 6, switchFlag: 1},
+      {qe: 0x5401, nmps: 8, nlps: 14, switchFlag: 0},
+      {qe: 0x4801, nmps: 9, nlps: 14, switchFlag: 0},
+      {qe: 0x3801, nmps: 10, nlps: 14, switchFlag: 0},
+      {qe: 0x3001, nmps: 11, nlps: 17, switchFlag: 0},
+      {qe: 0x2401, nmps: 12, nlps: 18, switchFlag: 0},
+      {qe: 0x1C01, nmps: 13, nlps: 20, switchFlag: 0},
+      {qe: 0x1601, nmps: 29, nlps: 21, switchFlag: 0},
+      {qe: 0x5601, nmps: 15, nlps: 14, switchFlag: 1},
+      {qe: 0x5401, nmps: 16, nlps: 14, switchFlag: 0},
+      {qe: 0x5101, nmps: 17, nlps: 15, switchFlag: 0},
+      {qe: 0x4801, nmps: 18, nlps: 16, switchFlag: 0},
+      {qe: 0x3801, nmps: 19, nlps: 17, switchFlag: 0},
+      {qe: 0x3401, nmps: 20, nlps: 18, switchFlag: 0},
+      {qe: 0x3001, nmps: 21, nlps: 19, switchFlag: 0},
+      {qe: 0x2801, nmps: 22, nlps: 19, switchFlag: 0},
+      {qe: 0x2401, nmps: 23, nlps: 20, switchFlag: 0},
+      {qe: 0x2201, nmps: 24, nlps: 21, switchFlag: 0},
+      {qe: 0x1C01, nmps: 25, nlps: 22, switchFlag: 0},
+      {qe: 0x1801, nmps: 26, nlps: 23, switchFlag: 0},
+      {qe: 0x1601, nmps: 27, nlps: 24, switchFlag: 0},
+      {qe: 0x1401, nmps: 28, nlps: 25, switchFlag: 0},
+      {qe: 0x1201, nmps: 29, nlps: 26, switchFlag: 0},
+      {qe: 0x1101, nmps: 30, nlps: 27, switchFlag: 0},
+      {qe: 0x0AC1, nmps: 31, nlps: 28, switchFlag: 0},
+      {qe: 0x09C1, nmps: 32, nlps: 29, switchFlag: 0},
+      {qe: 0x08A1, nmps: 33, nlps: 30, switchFlag: 0},
+      {qe: 0x0521, nmps: 34, nlps: 31, switchFlag: 0},
+      {qe: 0x0441, nmps: 35, nlps: 32, switchFlag: 0},
+      {qe: 0x02A1, nmps: 36, nlps: 33, switchFlag: 0},
+      {qe: 0x0221, nmps: 37, nlps: 34, switchFlag: 0},
+      {qe: 0x0141, nmps: 38, nlps: 35, switchFlag: 0},
+      {qe: 0x0111, nmps: 39, nlps: 36, switchFlag: 0},
+      {qe: 0x0085, nmps: 40, nlps: 37, switchFlag: 0},
+      {qe: 0x0049, nmps: 41, nlps: 38, switchFlag: 0},
+      {qe: 0x0025, nmps: 42, nlps: 39, switchFlag: 0},
+      {qe: 0x0015, nmps: 43, nlps: 40, switchFlag: 0},
+      {qe: 0x0009, nmps: 44, nlps: 41, switchFlag: 0},
+      {qe: 0x0005, nmps: 45, nlps: 42, switchFlag: 0},
+      {qe: 0x0001, nmps: 45, nlps: 43, switchFlag: 0},
+      {qe: 0x5601, nmps: 46, nlps: 46, switchFlag: 0}
+    ];
+
+    function ArithmeticDecoder(data, start, end) {
+      this.data = data;
+      this.bp = start;
+      this.dataEnd = end;
+
+      this.chigh = data[start];
+      this.clow = 0;
+
+      this.byteIn();
+
+      this.chigh = ((this.chigh << 7) & 0xFFFF) | ((this.clow >> 9) & 0x7F);
+      this.clow = (this.clow << 7) & 0xFFFF;
+      this.ct -= 7;
+      this.a = 0x8000;
+    }
+
+    ArithmeticDecoder.prototype = {
+      byteIn: function ArithmeticDecoder_byteIn() {
+        var data = this.data;
+        var bp = this.bp;
+        if (data[bp] == 0xFF) {
+          var b1 = data[bp + 1];
+          if (b1 > 0x8F) {
+            this.clow += 0xFF00;
+            this.ct = 8;
+          } else {
+            bp++;
+            this.clow += (data[bp] << 9);
+            this.ct = 7;
+            this.bp = bp;
+          }
+        } else {
+          bp++;
+          this.clow += bp < this.dataEnd ? (data[bp] << 8) : 0xFF00;
+          this.ct = 8;
+          this.bp = bp;
+        }
+        if (this.clow > 0xFFFF) {
+          this.chigh += (this.clow >> 16);
+          this.clow &= 0xFFFF;
+        }
+      },
+      readBit: function ArithmeticDecoder_readBit(cx) {
+        var qeIcx = QeTable[cx.index].qe;
+        this.a -= qeIcx;
+
+        if (this.chigh < qeIcx) {
+          var d = this.exchangeLps(cx);
+          this.renormD();
+          return d;
+        } else {
+          this.chigh -= qeIcx;
+          if ((this.a & 0x8000) == 0) {
+            var d = this.exchangeMps(cx);
+            this.renormD();
+            return d;
+          } else {
+            return cx.mps;
+          }
+        }
+      },
+      renormD: function ArithmeticDecoder_renormD() {
+        do {
+          if (this.ct == 0)
+            this.byteIn();
+
+          this.a <<= 1;
+          this.chigh = ((this.chigh << 1) & 0xFFFF) | ((this.clow >> 15) & 1);
+          this.clow = (this.clow << 1) & 0xFFFF;
+          this.ct--;
+        } while ((this.a & 0x8000) == 0);
+      },
+      exchangeMps: function ArithmeticDecoder_exchangeMps(cx) {
+        var d;
+        var qeTableIcx = QeTable[cx.index];
+        if (this.a < qeTableIcx.qe) {
+          d = 1 - cx.mps;
+
+          if (qeTableIcx.switchFlag == 1) {
+            cx.mps = 1 - cx.mps;
+          }
+          cx.index = qeTableIcx.nlps;
+        } else {
+          d = cx.mps;
+          cx.index = qeTableIcx.nmps;
+        }
+        return d;
+      },
+      exchangeLps: function ArithmeticDecoder_exchangeLps(cx) {
+        var d;
+        var qeTableIcx = QeTable[cx.index];
+        if (this.a < qeTableIcx.qe) {
+          this.a = qeTableIcx.qe;
+          d = cx.mps;
+          cx.index = qeTableIcx.nmps;
+        } else {
+          this.a = qeTableIcx.qe;
+          d = 1 - cx.mps;
+
+          if (qeTableIcx.switchFlag == 1) {
+            cx.mps = 1 - cx.mps;
+          }
+          cx.index = qeTableIcx.nlps;
+        }
+        return d;
+      }
+    };
+
+    return ArithmeticDecoder;
+  })();
+
+  // Utility data structures
+  function ContextCache() {}
+
+  ContextCache.prototype = {
+    getContexts: function(id) {
+      if (id in this)
+        return this[id];
+      return (this[id] = []);
+    }
+  };
+
+  function DecodingContext(data, start, end) {
+    this.data = data;
+    this.start = start;
+    this.end = end;
+  }
+
+  DecodingContext.prototype = {
+    get decoder() {
+      var decoder = new ArithmeticDecoder(this.data, this.start, this.end);
+      return shadow(this, 'decoder', decoder);
+    },
+    get contextCache() {
+      var cache = new ContextCache();
+      return shadow(this, 'contextCache', cache);
+    }
+  };
+
+  // Annex A. Arithmetic Integer Decoding Procedure
+  // A.2 Procedure for decoding values
+  function decodeInteger(contextCache, procedure, decoder) {
+    var contexts = contextCache.getContexts(procedure);
+
+    var prev = 1;
+    var state = 1, v = 0, s;
+    var toRead = 32, offset = 4436; // defaults for state 7
+    while (state) {
+      var cx = contexts[prev];
+      if (!cx)
+        contexts[prev] = cx = {index: 0, mps: 0};
+      var bit = decoder.readBit(cx);
+      prev = prev < 256 ? (prev << 1) | bit :
+        (((prev << 1) | bit) & 511) | 256;
+      switch (state) {
+        case 1:
+          s = !!bit;
+          break;
+        case 2:
+          if (bit) break;
+          state = 7;
+          toRead = 2;
+          offset = 0;
+          break;
+        case 3:
+          if (bit) break;
+          state = 7;
+          toRead = 4;
+          offset = 4;
+          break;
+        case 4:
+          if (bit) break;
+          state = 7;
+          toRead = 6;
+          offset = 20;
+          break;
+        case 5:
+          if (bit) break;
+          state = 7;
+          toRead = 8;
+          offset = 84;
+          break;
+        case 6:
+          if (bit) break;
+          state = 7;
+          toRead = 12;
+          offset = 340;
+          break;
+        default:
+          v = v * 2 + bit;
+          if (--toRead == 0)
+            state = 0;
+          continue;
+      }
+      state++;
+    }
+    v += offset;
+    return !s ? v : v > 0 ? -v : null;
+  }
+
+  // A.3 The IAID decoding procedure
+  function decodeIAID(contextCache, decoder, codeLength) {
+    var contexts = contextCache.getContexts('IAID');
+
+    var prev = 1;
+    for (var i = 0; i < codeLength; i++) {
+      var cx = contexts[prev];
+      if (!cx)
+        contexts[prev] = cx = {index: 0, mps: 0};
+      var bit = decoder.readBit(cx);
+      prev = (prev * 2) + bit;
+    }
+    if (codeLength < 31)
+      return prev & ((1 << codeLength) - 1);
+    else
+      return prev - Math.pow(2, codeLength);
+  }
+
+  // 7.3 Segment types
+  var SegmentTypes = [
+    'SymbolDictionary', null, null, null, 'IntermediateTextRegion', null,
+    'ImmediateTextRegion', 'ImmediateLosslessTextRegion', null, null, null,
+    null, null, null, null, null, 'patternDictionary', null, null, null,
+    'IntermediateHalftoneRegion', null, 'ImmediateHalftoneRegion',
+    'ImmediateLosslessHalftoneRegion', null, null, null, null, null, null, null,
+    null, null, null, null, null, 'IntermediateGenericRegion', null,
+    'ImmediateGenericRegion', 'ImmediateLosslessGenericRegion',
+    'IntermediateGenericRefinementRegion', null,
+    'ImmediateGenericRefinementRegion',
+    'ImmediateLosslessGenericRefinementRegion', null, null, null, null,
+    'PageInformation', 'EndOfPage', 'EndOfStripe', 'EndOfFile', 'Profiles',
+    'Tables', null, null, null, null, null, null, null, null,
+    'Extension'
+  ];
+
+  var CodingTemplates = [
+    [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1},
+     {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: 2, y: -1},
+     {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}],
+    [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1},
+     {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: 2, y: -1},
+     {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}],
+    [{x: -1, y: -2}, {x: 0, y: -2}, {x: 1, y: -2}, {x: -2, y: -1},
+     {x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -2, y: 0},
+     {x: -1, y: 0}],
+    [{x: -3, y: -1}, {x: -2, y: -1}, {x: -1, y: -1}, {x: 0, y: -1},
+     {x: 1, y: -1}, {x: -4, y: 0}, {x: -3, y: 0}, {x: -2, y: 0}, {x: -1, y: 0}]
+  ];
+
+  var RefinementTemplates = [
+    {
+      coding: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}],
+      reference: [{x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}, {x: 0, y: 0},
+                  {x: 1, y: 0}, {x: -1, y: 1}, {x: 0, y: 1}, {x: 1, y: 1}]
+    },
+    {
+      coding: [{x: -1, y: -1}, {x: 0, y: -1}, {x: 1, y: -1}, {x: -1, y: 0}],
+      reference: [{x: 0, y: -1}, {x: -1, y: 0}, {x: 0, y: 0}, {x: 1, y: 0},
+                  {x: 0, y: 1}, {x: 1, y: 1}]
+    }
+  ];
+
+  var ReusedContexts = [
+    0x1CD3, // '00111001101' (template) + '0011' (at),
+    0x079A, // '001111001101' + '0',
+    0x00E3, // '001110001' + '1',
+    0x018B  // '011000101' + '1'
+  ];
+
+  var RefinementReusedContexts = [
+    0x0020, // '000' + '0' (coding) + '00010000' + '0' (reference)
+    0x0008  // '0000' + '001000'
+  ];
+
+  function log2(x) {
+    var n = 1, i = 0;
+    while (x > n) {
+      n <<= 1;
+      i++;
+    }
+    return i;
+  }
+
+  function readInt32(data, start) {
+    return (data[start] << 24) | (data[start + 1] << 16) |
+           (data[start + 2] << 8) | data[start + 3];
+  }
+
+  function readUint32(data, start) {
+    var value = readInt32(data, start);
+    return value & 0x80000000 ? (value + 4294967296) : value;
+  }
+
+  function readUint16(data, start) {
+    return (data[start] << 8) | data[start + 1];
+  }
+
+  function readInt8(data, start) {
+    return (data[start] << 24) >> 24;
+  }
+
+  // 6.2 Generic Region Decoding Procedure
+  function decodeBitmap(mmr, width, height, templateIndex, prediction, skip, at,
+                        decodingContext) {
+    if (mmr)
+      error('JBIG2 error: MMR encoding is not supported');
+
+    var useskip = !!skip;
+    var template = CodingTemplates[templateIndex].concat(at);
+    var templateLength = template.length;
+    var templateX = new Int32Array(templateLength);
+    var templateY = new Int32Array(templateLength);
+    for (var k = 0; k < templateLength; k++) {
+      templateX[k] = template[k].x;
+      templateY[k] = template[k].y;
+    }
+
+    var pseudoPixelContext = ReusedContexts[templateIndex];
+    var bitmap = [];
+
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts('GB');
+
+    var ltp = 0;
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var cx = contexts[pseudoPixelContext];
+        if (!cx)
+          contexts[pseudoPixelContext] = cx = {index: 0, mps: 0};
+        var sltp = decoder.readBit(cx);
+        ltp ^= sltp;
+      }
+      if (ltp) {
+        bitmap.push(bitmap[bitmap.length - 1]); // duplicate previous row
+        continue;
+      }
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+      for (var j = 0; j < width; j++) {
+        if (useskip && skip[i][j]) {
+          row[j] = 0;
+          continue;
+        }
+        var contextLabel = 0;
+        for (var k = 0; k < templateLength; k++) {
+          var i0 = i + templateY[k], j0 = j + templateX[k];
+          if (i0 < 0 || j0 < 0 || j0 >= width)
+            contextLabel <<= 1; // out of bound pixel
+          else
+            contextLabel = (contextLabel << 1) | bitmap[i0][j0];
+        }
+        var cx = contexts[contextLabel];
+        if (!cx)
+          contexts[contextLabel] = cx = {index: 0, mps: 0};
+        var pixel = decoder.readBit(cx);
+        row[j] = pixel;
+      }
+    }
+    return bitmap;
+  }
+
+  // 6.3.2 Generic Refinement Region Decoding Procedure
+  function decodeRefinement(width, height, templateIndex, referenceBitmap,
+                            offsetX, offsetY, prediction, at,
+                            decodingContext) {
+    var codingTemplate = RefinementTemplates[templateIndex].coding;
+    if (templateIndex == 0)
+      codingTemplate = codingTemplate.concat([at[0]]);
+    var codingTemplateLength = codingTemplate.length;
+    var codingTemplateX = new Int32Array(codingTemplateLength);
+    var codingTemplateY = new Int32Array(codingTemplateLength);
+    for (var k = 0; k < codingTemplateLength; k++) {
+      codingTemplateX[k] = codingTemplate[k].x;
+      codingTemplateY[k] = codingTemplate[k].y;
+    }
+    var referenceTemplate = RefinementTemplates[templateIndex].reference;
+    if (templateIndex == 0)
+      referenceTemplate = referenceTemplate.concat([at[1]]);
+    var referenceTemplateLength = referenceTemplate.length;
+    var referenceTemplateX = new Int32Array(referenceTemplateLength);
+    var referenceTemplateY = new Int32Array(referenceTemplateLength);
+    for (var k = 0; k < referenceTemplateLength; k++) {
+      referenceTemplateX[k] = referenceTemplate[k].x;
+      referenceTemplateY[k] = referenceTemplate[k].y;
+    }
+    var referenceWidth = referenceBitmap[0].length;
+    var referenceHeight = referenceBitmap.length;
+
+    var pseudoPixelContext = RefinementReusedContexts[templateIndex];
+    var bitmap = [];
+
+    var decoder = decodingContext.decoder;
+    var contexts = decodingContext.contextCache.getContexts('GR');
+
+    var ltp = 0;
+    for (var i = 0; i < height; i++) {
+      if (prediction) {
+        var cx = contexts[pseudoPixelContext];
+        if (!cx)
+          contexts[pseudoPixelContext] = cx = {index: 0, mps: 0};
+        var sltp = decoder.readBit(cx);
+        ltp ^= sltp;
+      }
+      var row = new Uint8Array(width);
+      bitmap.push(row);
+      for (var j = 0; j < width; j++) {
+        if (ltp)
+          error('JBIG2 error: prediction is not supported');
+
+        var contextLabel = 0;
+        for (var k = 0; k < codingTemplateLength; k++) {
+          var i0 = i + codingTemplateY[k], j0 = j + codingTemplateX[k];
+          if (i0 < 0 || j0 < 0 || j0 >= width)
+            contextLabel <<= 1; // out of bound pixel
+          else
+            contextLabel = (contextLabel << 1) | bitmap[i0][j0];
+        }
+        for (var k = 0; k < referenceTemplateLength; k++) {
+          var i0 = i + referenceTemplateY[k] + offsetY;
+          var j0 = j + referenceTemplateX[k] + offsetX;
+          if (i0 < 0 || i0 >= referenceHeight || j0 < 0 || j0 >= referenceWidth)
+            contextLabel <<= 1; // out of bound pixel
+          else
+            contextLabel = (contextLabel << 1) | referenceBitmap[i0][j0];
+        }
+        var cx = contexts[contextLabel];
+        if (!cx)
+          contexts[contextLabel] = cx = {index: 0, mps: 0};
+        var pixel = decoder.readBit(cx);
+        row[j] = pixel;
+      }
+    }
+
+    return bitmap;
+  }
+
+  // 6.5.5 Decoding the symbol dictionary
+  function decodeSymbolDictionary(huffman, refinement, symbols,
+                                  numberOfNewSymbols, numberOfExportedSymbols,
+                                  huffmanTables, templateIndex, at,
+                                  refinementTemplateIndex, refinementAt,
+                                  decodingContext) {
+    if (huffman)
+      error('JBIG2 error: huffman is not supported');
+
+    var newSymbols = [];
+    var currentHeight = 0;
+    var symbolCodeLength = log2(symbols.length + numberOfNewSymbols);
+
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+
+    while (newSymbols.length < numberOfNewSymbols) {
+      var deltaHeight = decodeInteger(contextCache, 'IADH', decoder); // 6.5.6
+      currentHeight += deltaHeight;
+      var currentWidth = 0;
+      var totalWidth = 0;
+      while (true) {
+        var deltaWidth = decodeInteger(contextCache, 'IADW', decoder); // 6.5.7
+        if (deltaWidth == null)
+          break; // OOB
+        currentWidth += deltaWidth;
+        totalWidth += currentWidth;
+        var bitmap;
+        if (refinement) {
+          // 6.5.8.2 Refinement/aggregate-coded symbol bitmap
+          var numberOfInstances = decodeInteger(contextCache, 'IAAI', decoder);
+          if (numberOfInstances > 1)
+            error('JBIG2 error: number of instances > 1 is not supported');
+          var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
+          var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3
+          var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4
+          var symbol = symbolId < symbols.length ? symbols[symbolId] :
+            newSymbols[symbolId - symbols.length];
+          bitmap = decodeRefinement(currentWidth, currentHeight,
+            refinementTemplateIndex, symbol, rdx, rdy, false, refinementAt,
+            decodingContext);
+        } else {
+          // 6.5.8.1 Direct-coded symbol bitmap
+          bitmap = decodeBitmap(false, currentWidth, currentHeight,
+            templateIndex, false, null, at, decodingContext);
+        }
+        newSymbols.push(bitmap);
+      }
+    }
+    // 6.5.10 Exported symbols
+    var exportedSymbols = [];
+    var flags = [], currentFlag = false;
+    var totalSymbolsLength = symbols.length + numberOfNewSymbols;
+    while (flags.length < totalSymbolsLength) {
+      var runLength = decodeInteger(contextCache, 'IAEX', decoder);
+      while (runLength--)
+        flags.push(currentFlag);
+      currentFlag = !currentFlag;
+    }
+    for (var i = 0, ii = symbols.length; i < ii; i++)
+      if (flags[i]) exportedSymbols.push(symbols[i]);
+    for (var j = 0; j < numberOfNewSymbols; i++, j++)
+      if (flags[i]) exportedSymbols.push(newSymbols[j]);
+    return exportedSymbols;
+  }
+
+  function decodeTextRegion(huffman, refinement, width, height,
+                            defaultPixelValue, numberOfSymbolInstances,
+                            stripSize, inputSymbols, symbolCodeLength,
+                            transposed, dsOffset, referenceCorner,
+                            combinationOperator, huffmanTables,
+                            refinementTemplateIndex, refinementAt,
+                            decodingContext) {
+    if (huffman)
+      error('JBIG2 error: huffman is not supported');
+
+    // Prepare bitmap
+    var bitmap = [];
+    for (var i = 0; i < height; i++) {
+      var row = new Uint8Array(width);
+      if (defaultPixelValue) {
+        for (var j = 0; j < width; j++)
+          row[j] = defaultPixelValue;
+      }
+      bitmap.push(row);
+    }
+
+    var decoder = decodingContext.decoder;
+    var contextCache = decodingContext.contextCache;
+
+    if (transposed)
+      error('JBIG2 error: transposed is not supported');
+
+    var stripT = -decodeInteger(contextCache, 'IADT', decoder); // 6.4.6
+    var firstS = 0;
+    var i = 0;
+    while (i < numberOfSymbolInstances) {
+      var deltaT = decodeInteger(contextCache, 'IADT', decoder); // 6.4.6
+      stripT += deltaT;
+
+      var deltaFirstS = decodeInteger(contextCache, 'IAFS', decoder); // 6.4.7
+      firstS += deltaFirstS;
+      var currentS = firstS;
+      do {
+        var currentT = stripSize == 1 ? 0 :
+          decodeInteger(contextCache, 'IAIT', decoder); // 6.4.9
+        var t = stripSize * stripT + currentT;
+        var symbolId = decodeIAID(contextCache, decoder, symbolCodeLength);
+        var applyRefinement = refinement &&
+          decodeInteger(contextCache, 'IARI', decoder);
+        var symbolBitmap = inputSymbols[symbolId];
+        var symbolWidth = symbolBitmap[0].length;
+        var symbolHeight = symbolBitmap.length;
+        if (applyRefinement) {
+          var rdw = decodeInteger(contextCache, 'IARDW', decoder); // 6.4.11.1
+          var rdh = decodeInteger(contextCache, 'IARDH', decoder); // 6.4.11.2
+          var rdx = decodeInteger(contextCache, 'IARDX', decoder); // 6.4.11.3
+          var rdy = decodeInteger(contextCache, 'IARDY', decoder); // 6.4.11.4
+          symbolWidth += rdw;
+          symbolHeight += rdh;
+          symbolBitmap = decodeRefinement(symbolWidth, symbolHeight,
+            refinementTemplateIndex, symbolBitmap, (rdw >> 1) + rdx,
+            (rdh >> 1) + rdy, false, refinementAt,
+            decodingContext);
+        }
+        var offsetT = t - ((referenceCorner & 1) ? 0 : symbolHeight);
+        var offsetS = currentS - ((referenceCorner & 2) ? symbolWidth : 0);
+        for (var t2 = 0; t2 < symbolHeight; t2++) {
+          var row = bitmap[offsetT + t2];
+          if (!row) continue;
+          var symbolRow = symbolBitmap[t2];
+          switch (combinationOperator) {
+            case 0: // OR
+              for (var s2 = 0; s2 < symbolWidth; s2++)
+                row[offsetS + s2] |= symbolRow[s2];
+              break;
+            case 2: // XOR
+              for (var s2 = 0; s2 < symbolWidth; s2++)
+                row[offsetS + s2] ^= symbolRow[s2];
+              break;
+            default:
+              error('JBIG2 error: operator ' + combinationOperator +
+                    ' is not supported');
+          }
+        }
+
+        currentS += symbolWidth - 1;
+        i++;
+
+        var deltaS = decodeInteger(contextCache, 'IADS', decoder); // 6.4.8
+        if (deltaS == null)
+          break; // OOB
+        currentS += deltaS + dsOffset;
+      } while (true);
+    }
+    return bitmap;
+  }
+
+  function readSegmentHeader(data, start) {
+    var segmentHeader = {};
+    segmentHeader.number = readUint32(data, start);
+    var flags = data[start + 4];
+    var segmentType = flags & 0x3F;
+    if (!SegmentTypes[segmentType])
+      error('JBIG2 error: invalid segment type: ' + segmentType);
+    segmentHeader.type = segmentType;
+    segmentHeader.typeName = SegmentTypes[segmentType];
+    segmentHeader.deferredNonRetain = !!(flags & 0x80);
+    var pageAssociationFieldSize = !!(flags & 0x40);
+    var referredFlags = data[start + 5];
+    var referredToCount = (referredFlags >> 5) & 7;
+    var retainBits = [referredFlags & 31];
+    var position = start + 6;
+    if (referredFlags == 7) {
+      referredToCount = readInt32(data, position - 1) & 0x1FFFFFFF;
+      position += 3;
+      var bytes = (referredToCount + 7) >> 3;
+      retainBits[0] = data[position++];
+      while (--bytes > 0) {
+        retainBits.push(data[position++]);
+      }
+    } else if (referredFlags == 5 || referredFlags == 6)
+      error('JBIG2 error: invalid referred-to flags');
+    segmentHeader.retainBits = retainBits;
+    var referredToSegmentNumberSize = segmentHeader.number <= 256 ? 1 :
+      segmentHeader.number <= 65536 ? 2 : 4;
+    var referredTo = [];
+    for (var i = 0; i < referredToCount; i++) {
+      var number = referredToSegmentNumberSize == 1 ? data[position] :
+        referredToSegmentNumberSize == 2 ? readUint16(data, position) :
+        readUint32(data, position);
+      referredTo.push(number);
+      position += referredToSegmentNumberSize;
+    }
+    segmentHeader.referredTo = referredTo;
+    if (!pageAssociationFieldSize)
+      segmentHeader.pageAssociation = data[position++];
+    else {
+      segmentHeader.pageAssociation = readUint32(data, position);
+      position += 4;
+    }
+    segmentHeader.length = readUint32(data, position);
+    if (segmentHeader.length == 0xFFFFFFFF)
+      error('JBIG2 error: unknown segment length is not supported');
+    position += 4;
+    segmentHeader.headerEnd = position;
+    return segmentHeader;
+  }
+
+  function readSegments(header, data, start, end) {
+    var segments = [];
+    var position = start;
+    while (position < end) {
+      var segmentHeader = readSegmentHeader(data, position);
+      position = segmentHeader.headerEnd;
+      var segment = {
+        header: segmentHeader,
+        data: data
+      };
+      if (!header.randomAccess) {
+        segment.start = position;
+        position += segmentHeader.length;
+        segment.end = position;
+      }
+      segments.push(segment);
+      if (segmentHeader.type == 51)
+        break; // end of file is found
+    }
+    if (header.randomAccess) {
+      for (var i = 0, ii = segments.length; i < ii; i++) {
+        segments[i].start = position;
+        position += segments[i].header.length;
+        segments[i].end = position;
+      }
+    }
+    return segments;
+  }
+
+  // 7.4.1 Region segment information field
+  function readRegionSegmentInformation(data, start) {
+    return {
+      width: readUint32(data, start),
+      height: readUint32(data, start + 4),
+      x: readUint32(data, start + 8),
+      y: readUint32(data, start + 12),
+      combinationOperator: data[start + 16] & 7
+    };
+  }
+  var RegionSegmentInformationFieldLength = 17;
+
+  function processSegment(segment, visitor) {
+    var header = segment.header;
+
+    var data = segment.data, position = segment.start, end = segment.end;
+    var args;
+    switch (header.type) {
+      case 0: // SymbolDictionary
+        // 7.4.2 Symbol dictionary segment syntax
+        var dictionary = {};
+        var dictionaryFlags = readUint16(data, position); // 7.4.2.1.1
+        dictionary.huffman = !!(dictionaryFlags & 1);
+        dictionary.refinement = !!(dictionaryFlags & 2);
+        dictionary.huffmanDHSelector = (dictionaryFlags >> 2) & 3;
+        dictionary.huffmanDWSelector = (dictionaryFlags >> 4) & 3;
+        dictionary.bitmapSizeSelector = (dictionaryFlags >> 6) & 1;
+        dictionary.aggregationInstancesSelector = (dictionaryFlags >> 7) & 1;
+        dictionary.bitmapCodingContextUsed = !!(dictionaryFlags & 256);
+        dictionary.bitmapCodingContextRetained = !!(dictionaryFlags & 512);
+        dictionary.template = (dictionaryFlags >> 10) & 3;
+        dictionary.refinementTemplate = (dictionaryFlags >> 12) & 1;
+        position += 2;
+        if (!dictionary.huffman) {
+          var atLength = dictionary.template == 0 ? 4 : 1;
+          var at = [];
+          for (var i = 0; i < atLength; i++) {
+            at.push({
+              x: readInt8(data, position),
+              y: readInt8(data, position + 1)
+            });
+            position += 2;
+          }
+          dictionary.at = at;
+        }
+        if (dictionary.refinement && !dictionary.refinementTemplate) {
+          var at = [];
+          for (var i = 0; i < 2; i++) {
+            at.push({
+              x: readInt8(data, position),
+              y: readInt8(data, position + 1)
+            });
+            position += 2;
+          }
+          dictionary.refinementAt = at;
+        }
+        dictionary.numberOfExportedSymbols = readUint32(data, position);
+        position += 4;
+        dictionary.numberOfNewSymbols = readUint32(data, position);
+        position += 4;
+        args = [dictionary, header.number, header.referredTo,
+                data, position, end];
+        break;
+      case 6: // ImmediateTextRegion
+      case 7: // ImmediateLosslessTextRegion
+        var textRegion = {};
+        textRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var textRegionSegmentFlags = readUint16(data, position);
+        position += 2;
+        textRegion.huffman = !!(textRegionSegmentFlags & 1);
+        textRegion.refinement = !!(textRegionSegmentFlags & 2);
+        textRegion.stripSize = 1 << ((textRegionSegmentFlags >> 2) & 3);
+        textRegion.referenceCorner = (textRegionSegmentFlags >> 4) & 3;
+        textRegion.transposed = !!(textRegionSegmentFlags & 64);
+        textRegion.combinationOperator = (textRegionSegmentFlags >> 7) & 3;
+        textRegion.defaultPixelValue = (textRegionSegmentFlags >> 9) & 1;
+        textRegion.dsOffset = (textRegionSegmentFlags >> 10) & 31;
+        textRegion.refinementTemplate = (textRegionSegmentFlags >> 15) & 1;
+        if (textRegion.huffman) {
+          var textRegionHuffmanFlags = readUint16(data, position);
+          position += 2;
+          textRegion.huffmanFS = (textRegionHuffmanFlags) & 3;
+          textRegion.huffmanDS = (textRegionHuffmanFlags >> 2) & 3;
+          textRegion.huffmanDT = (textRegionHuffmanFlags >> 4) & 3;
+          textRegion.huffmanRefinementDW = (textRegionHuffmanFlags >> 6) & 3;
+          textRegion.huffmanRefinementDH = (textRegionHuffmanFlags >> 8) & 3;
+          textRegion.huffmanRefinementDX = (textRegionHuffmanFlags >> 10) & 3;
+          textRegion.huffmanRefinementDY = (textRegionHuffmanFlags >> 12) & 3;
+          textRegion.huffmanRefinementSizeSelector =
+            !!(textRegionHuffmanFlags & 14);
+        }
+        if (textRegion.refinement && !textRegion.refinementTemplate) {
+          var at = [];
+          for (var i = 0; i < 2; i++) {
+            at.push({
+              x: readInt8(data, position),
+              y: readInt8(data, position + 1)
+            });
+            position += 2;
+          }
+          textRegion.refinementAt = at;
+        }
+        textRegion.numberOfSymbolInstances = readUint32(data, position);
+        position += 4;
+        // TODO 7.4.3.1.7 Symbol ID Huffman table decoding
+        if (textRegion.huffman)
+          error('JBIG2 error: huffman is not supported');
+        args = [textRegion, header.referredTo, data, position, end];
+        break;
+      case 38: // ImmediateGenericRegion
+      case 39: // ImmediateLosslessGenericRegion
+        var genericRegion = {};
+        genericRegion.info = readRegionSegmentInformation(data, position);
+        position += RegionSegmentInformationFieldLength;
+        var genericRegionSegmentFlags = data[position++];
+        genericRegion.mmr = !!(genericRegionSegmentFlags & 1);
+        genericRegion.template = (genericRegionSegmentFlags >> 1) & 3;
+        genericRegion.prediction = !!(genericRegionSegmentFlags & 8);
+        if (!genericRegion.mmr) {
+          var atLength = genericRegion.template == 0 ? 4 : 1;
+          var at = [];
+          for (var i = 0; i < atLength; i++) {
+            at.push({
+              x: readInt8(data, position),
+              y: readInt8(data, position + 1)
+            });
+            position += 2;
+          }
+          genericRegion.at = at;
+        }
+        args = [genericRegion, data, position, end];
+        break;
+      case 48: // PageInformation
+        var pageInfo = {
+          width: readUint32(data, position),
+          height: readUint32(data, position + 4),
+          resolutionX: readUint32(data, position + 8),
+          resolutionY: readUint32(data, position + 12)
+        };
+        if (pageInfo.height == 0xFFFFFFFF)
+          delete pageInfo.height;
+        var pageSegmentFlags = data[position + 16];
+        var pageStripingInformatiom = readUint16(data, position + 17);
+        pageInfo.lossless = !!(pageSegmentFlags & 1);
+        pageInfo.refinement = !!(pageSegmentFlags & 2);
+        pageInfo.defaultPixelValue = (pageSegmentFlags >> 2) & 1;
+        pageInfo.combinationOperator = (pageSegmentFlags >> 3) & 3;
+        pageInfo.requiresBuffer = !!(pageSegmentFlags & 32);
+        pageInfo.combinationOperatorOverride = !!(pageSegmentFlags & 64);
+        args = [pageInfo];
+        break;
+      case 50: // EndOfStripe
+        break;
+      case 51: // EndOfFile
+        break;
+      default:
+        error('JBIG2 error: segment type ' + header.typeName + '(' +
+              header.type + ') is not implemented');
+    }
+    var callbackName = 'on' + header.typeName;
+    if (callbackName in visitor)
+      visitor[callbackName].apply(visitor, args);
+  }
+
+  function processSegments(segments, visitor) {
+    for (var i = 0, ii = segments.length; i < ii; i++)
+      processSegment(segments[i], visitor);
+  }
+
+  function parseJbig2(data, start, end) {
+    var position = start;
+    if (data[position] != 0x97 || data[position + 1] != 0x4A ||
+        data[position + 2] != 0x42 || data[position + 3] != 0x32 ||
+        data[position + 4] != 0x0D || data[position + 5] != 0x0A ||
+        data[position + 6] != 0x1A || data[position + 7] != 0x0A)
+      error('JBIG2 error: invalid header');
+    var header = {};
+    position += 8;
+    var flags = data[position++];
+    header.randomAccess = !(flags & 1);
+    if (!(flags & 2)) {
+      header.numberOfPages = readUint32(data, position);
+      position += 4;
+    }
+    var segments = readSegments(header, data, position, end);
+    error('Not implemented');
+    // processSegments(segments, new SimpleSegmentVisitor());
+  }
+
+  function parseJbig2Chunks(chunks) {
+    var visitor = new SimpleSegmentVisitor();
+    for (var i = 0, ii = chunks.length; i < ii; i++) {
+      var chunk = chunks[i];
+      var segments = readSegments({}, chunk.data, chunk.start, chunk.end);
+      processSegments(segments, visitor);
+    }
+    return visitor.buffer;
+  }
+
+  function SimpleSegmentVisitor() {}
+
+  SimpleSegmentVisitor.prototype = {
+    onPageInformation: function SimpleSegmentVisitor_onPageInformation(info) {
+      this.currentPageInfo = info;
+      var rowSize = (info.width + 7) >> 3;
+      var buffer = new Uint8Array(rowSize * info.height);
+      var fill = info.defaultPixelValue ? 0xFF : 0;
+      for (var i = 0, ii = buffer.length; i < ii; i++)
+        buffer[i] = fill;
+      this.buffer = buffer;
+    },
+    drawBitmap: function SimpleSegmentVisitor_drawBitmap(regionInfo, bitmap) {
+      var pageInfo = this.currentPageInfo;
+      var width = regionInfo.width, height = regionInfo.height;
+      var rowSize = (pageInfo.width + 7) >> 3;
+      var combinationOperator = pageInfo.combinationOperatorOverride ?
+        regionInfo.combinationOperator : pageInfo.combinationOperator;
+      var buffer = this.buffer;
+      for (var i = 0; i < height; i++) {
+        var mask = 128 >> (regionInfo.x & 7);
+        var offset = (i + regionInfo.y) * rowSize + (regionInfo.x >> 3);
+        switch (combinationOperator) {
+          case 0: // OR
+            for (var j = 0; j < width; j++) {
+              buffer[offset] |= bitmap[i][j] ? mask : 0;
+              mask >>= 1;
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+            break;
+          case 2: // XOR
+            for (var j = 0; j < width; j++) {
+              buffer[offset] ^= bitmap[i][j] ? mask : 0;
+              mask >>= 1;
+              if (!mask) {
+                mask = 128;
+                offset++;
+              }
+            }
+            break;
+          default:
+            error('JBIG2 error: operator ' + combinationOperator +
+                  ' is not supported');
+        }
+      }
+    },
+    onImmediateGenericRegion:
+      function SimpleSegmentVisitor_onImmediateGenericRegion(region, data,
+                                                             start, end) {
+      var regionInfo = region.info;
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeBitmap(region.mmr, regionInfo.width, regionInfo.height,
+                                region.template, region.prediction, null,
+                                region.at, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessGenericRegion:
+      function SimpleSegmentVisitor_onImmediateLosslessGenericRegion() {
+      this.onImmediateGenericRegion.apply(this, arguments);
+    },
+    onSymbolDictionary:
+      function SimpleSegmentVisitor_onSymbolDictionary(dictionary,
+                                                       currentSegment,
+                                                       referredSegments,
+                                                       data, start, end) {
+      var huffmanTables;
+      if (dictionary.huffman)
+        error('JBIG2 error: huffman is not supported');
+
+      // Combines exported symbols from all referred segments
+      var symbols = this.symbols;
+      if (!symbols)
+        this.symbols = symbols = {};
+
+      var inputSymbols = [];
+      for (var i = 0, ii = referredSegments.length; i < ii; i++)
+        inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]);
+
+      var decodingContext = new DecodingContext(data, start, end);
+      symbols[currentSegment] = decodeSymbolDictionary(dictionary.huffman,
+        dictionary.refinement, inputSymbols, dictionary.numberOfNewSymbols,
+        dictionary.numberOfExportedSymbols, huffmanTables,
+        dictionary.template, dictionary.at,
+        dictionary.refinementTemplate, dictionary.refinementAt,
+        decodingContext);
+    },
+    onImmediateTextRegion:
+      function SimpleSegmentVisitor_onImmediateTextRegion(region,
+                                                          referredSegments,
+                                                          data, start, end) {
+      var regionInfo = region.info;
+      var huffmanTables;
+
+      // Combines exported symbols from all referred segments
+      var symbols = this.symbols;
+      var inputSymbols = [];
+      for (var i = 0, ii = referredSegments.length; i < ii; i++)
+        inputSymbols = inputSymbols.concat(symbols[referredSegments[i]]);
+      var symbolCodeLength = log2(inputSymbols.length);
+
+      var decodingContext = new DecodingContext(data, start, end);
+      var bitmap = decodeTextRegion(region.huffman, region.refinement,
+        regionInfo.width, regionInfo.height, region.defaultPixelValue,
+        region.numberOfSymbolInstances, region.stripSize, inputSymbols,
+        symbolCodeLength, region.transposed, region.dsOffset,
+        region.referenceCorner, region.combinationOperator, huffmanTables,
+        region.refinementTemplate, region.refinementAt, decodingContext);
+      this.drawBitmap(regionInfo, bitmap);
+    },
+    onImmediateLosslessTextRegion:
+      function SimpleSegmentVisitor_onImmediateLosslessTextRegion() {
+        this.onImmediateTextRegion.apply(this, arguments);
+    }
+  };
+
+  function Jbig2Image() {}
+
+  Jbig2Image.prototype = {
+    parseChunks: function Jbig2Image_parseChunks(chunks) {
+      return parseJbig2Chunks(chunks);
+    }
+  };
+
+  return Jbig2Image;
+})();
+
 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
 
@@ -33799,15 +35044,15 @@ var Metadata = PDFJS.Metadata = (function MetadataClosure() {
     <div id="outerContainer">
 
       <div id="sidebarContainer">
-        <div id="toolbarSidebar">
+        <div id="toolbarSidebar" class="splitToolbarButton toggled">
           <button id="viewThumbnail" class="toolbarButton group toggled" title="Show Thumbnails" onclick="PDFView.switchSidebarView('thumbs')" tabindex="1" data-l10n-id="thumbs">
              <span data-l10n-id="thumbs_label">Thumbnails</span>
           </button>
           <button id="viewOutline" class="toolbarButton group" title="Show Document Outline" onclick="PDFView.switchSidebarView('outline')" tabindex="2" data-l10n-id="outline">
              <span data-l10n-id="outline_label">Document Outline</span>
           </button>
-          <button id="viewSearch" class="toolbarButton group hidden" title="Search Document" onclick="PDFView.switchSidebarView('search')" tabindex="3" data-l10n-id="search">
-             <span data-l10n-id="search_label">Search Document</span>
+          <button id="viewSearch" class="toolbarButton group hidden" title="Search Document" onclick="PDFView.switchSidebarView('search')" tabindex="3" data-l10n-id="search_panel">
+             <span data-l10n-id="search_panel_label">Search Document</span>
           </button>
         </div>
         <div id="sidebarContent">
@@ -33817,8 +35062,8 @@ var Metadata = PDFJS.Metadata = (function MetadataClosure() {
           </div>
           <div id="searchView" class="hidden">
             <div id="searchToolbar">
-              <input id="searchTermsInput" onkeydown='if (event.keyCode == 13) PDFView.search()'>
-              <button id="searchButton" onclick='PDFView.search()' data-l10n-id="search_button">Find</button>
+              <input id="searchTermsInput" class="toolbarField" onkeydown='if (event.keyCode == 13) PDFView.search()'>
+              <button id="searchButton" class="textButton toolbarButton" onclick='PDFView.search()' data-l10n-id="search">Find</button>
             </div>
             <div id="searchResults"></div>
           </div>
@@ -33855,11 +35100,9 @@ var Metadata = PDFJS.Metadata = (function MetadataClosure() {
                    <span data-l10n-id="open_file_label">Open</span>
                 </button>
 
-                <!--
                 <button id="print" class="toolbarButton print" title="Print" tabindex="11" data-l10n-id="print" onclick="window.print()">
                   <span data-l10n-id="print_label">Print</span>
                 </button>
-                -->
 
                 <button id="download" class="toolbarButton download" title="Download" onclick="PDFView.download();" tabindex="12" data-l10n-id="download">
                   <span data-l10n-id="download_label">Download</span>
@@ -33904,8 +35147,8 @@ var Metadata = PDFJS.Metadata = (function MetadataClosure() {
         </div>
 
         <div id="loadingBox">
-            <div id="loading" data-l10n-id="loading" data-l10n-args='{"percent": 0}'>Loading... 0%</div>
-            <div id="loadingBar"><div class="progress"></div></div>
+          <div id="loading"></div>
+          <div id="loadingBar"><div class="progress"></div></div>
         </div>
 
         <div id="errorWrapper" hidden='true'>
@@ -33929,5 +35172,6 @@ var Metadata = PDFJS.Metadata = (function MetadataClosure() {
       </div> <!-- mainContainer -->
 
     </div> <!-- outerContainer -->
+    <div id="printContainer"></div>
   </body>
 </html>
diff --git a/browser/extensions/pdfjs/content/web/viewer.js b/browser/extensions/pdfjs/content/web/viewer.js
index 8cb3647ecdf3..cbe20bb667f0 100644
--- a/browser/extensions/pdfjs/content/web/viewer.js
+++ b/browser/extensions/pdfjs/content/web/viewer.js
@@ -14,6 +14,13 @@ var kMinScale = 0.25;
 var kMaxScale = 4.0;
 var kImageDirectory = './images/';
 var kSettingsMemory = 20;
+var RenderingStates = {
+  INITIAL: 0,
+  RUNNING: 1,
+  PAUSED: 2,
+  FINISHED: 3
+};
+
 
 var mozL10n = document.mozL10n || document.webL10n;
 
@@ -83,49 +90,22 @@ var ProgressBar = (function ProgressBarClosure() {
   return ProgressBar;
 })();
 
-var RenderingQueue = (function RenderingQueueClosure() {
-  function RenderingQueue() {
-    this.items = [];
-  }
-
-  RenderingQueue.prototype = {
-    enqueueDraw: function RenderingQueueEnqueueDraw(item) {
-      if (!item.drawingRequired())
-        return; // as no redraw required, no need for queueing.
-
-      this.items.push(item);
-      if (this.items.length > 1)
-        return; // not first item
-
-      item.draw(this.continueExecution.bind(this));
-    },
-    continueExecution: function RenderingQueueContinueExecution() {
-      var item = this.items.shift();
-
-      if (this.items.length == 0)
-        return; // queue is empty
-
-      item = this.items[0];
-      item.draw(this.continueExecution.bind(this));
-    }
-  };
-
-  return RenderingQueue;
-})();
-
 var FirefoxCom = (function FirefoxComClosure() {
   return {
     /**
-     * Creates an event that hopefully the extension is listening for and will
+     * Creates an event that the extension is listening for and will
      * synchronously respond to.
+     * NOTE: It is reccomended to use request() instead since one day we may not
+     * be able to synchronously reply.
      * @param {String} action The action to trigger.
      * @param {String} data Optional data to send.
      * @return {*} The response.
      */
-    request: function(action, data) {
+    requestSync: function(action, data) {
       var request = document.createTextNode('');
       request.setUserData('action', action, null);
       request.setUserData('data', data, null);
+      request.setUserData('sync', true, null);
       document.documentElement.appendChild(request);
 
       var sender = document.createEvent('Events');
@@ -134,6 +114,39 @@ var FirefoxCom = (function FirefoxComClosure() {
       var response = request.getUserData('response');
       document.documentElement.removeChild(request);
       return response;
+    },
+    /**
+     * Creates an event that the extension is listening for and will
+     * asynchronously respond by calling the callback.
+     * @param {String} action The action to trigger.
+     * @param {String} data Optional data to send.
+     * @param {Function} callback Optional response callback that will be called
+     * with one data argument.
+     */
+    request: function(action, data, callback) {
+      var request = document.createTextNode('');
+      request.setUserData('action', action, null);
+      request.setUserData('data', data, null);
+      request.setUserData('sync', false, null);
+      if (callback) {
+        request.setUserData('callback', callback, null);
+
+        document.addEventListener('pdf.js.response', function listener(event) {
+          var node = event.target,
+              callback = node.getUserData('callback'),
+              response = node.getUserData('response');
+
+          document.documentElement.removeChild(node);
+
+          document.removeEventListener('pdf.js.response', listener, false);
+          return callback(response);
+        }, false);
+      }
+      document.documentElement.appendChild(request);
+
+      var sender = document.createEvent('HTMLEvents');
+      sender.initEvent('pdf.js.message', true, false);
+      return request.dispatchEvent(sender);
     }
   };
 })();
@@ -160,7 +173,7 @@ var Settings = (function SettingsClosure() {
     var database = null;
     var index;
     if (isFirefoxExtension)
-      database = FirefoxCom.request('getDatabase', null) || '{}';
+      database = FirefoxCom.requestSync('getDatabase', null) || '{}';
     else if (isLocalStorageEnabled)
       database = localStorage.getItem('database') || '{}';
     else
@@ -193,7 +206,7 @@ var Settings = (function SettingsClosure() {
       file[name] = val;
       var database = JSON.stringify(this.database);
       if (isFirefoxExtension)
-        FirefoxCom.request('setDatabase', database);
+        FirefoxCom.requestSync('setDatabase', database);
       else if (isLocalStorageEnabled)
         localStorage.setItem('database', database);
     },
@@ -210,7 +223,6 @@ var Settings = (function SettingsClosure() {
 })();
 
 var cache = new Cache(kCacheSize);
-var renderingQueue = new RenderingQueue();
 var currentPageNumber = 1;
 
 var PDFView = {
@@ -222,15 +234,48 @@ var PDFView = {
   startedTextExtraction: false,
   pageText: [],
   container: null,
+  thumbnailContainer: null,
   initialized: false,
   fellback: false,
+  pdfDocument: null,
+  sidebarOpen: false,
+  pageViewScroll: null,
+  thumbnailViewScroll: null,
+
   // called once when the document is loaded
   initialize: function pdfViewInitialize() {
-    this.container = document.getElementById('viewerContainer');
+    var container = this.container = document.getElementById('viewerContainer');
+    this.pageViewScroll = {};
+    this.watchScroll(container, this.pageViewScroll, updateViewarea);
+
+    var thumbnailContainer = this.thumbnailContainer =
+                             document.getElementById('thumbnailView');
+    this.thumbnailViewScroll = {};
+    this.watchScroll(thumbnailContainer, this.thumbnailViewScroll,
+                     this.renderHighestPriority.bind(this));
+
     this.initialized = true;
   },
 
-  setScale: function pdfViewSetScale(val, resetAutoSettings) {
+  // Helper function to keep track whether a div was scrolled up or down and
+  // then call a callback.
+  watchScroll: function pdfViewWatchScroll(viewAreaElement, state, callback) {
+    state.down = true;
+    state.lastY = viewAreaElement.scrollTop;
+    viewAreaElement.addEventListener('scroll', function webViewerScroll(evt) {
+      var currentY = viewAreaElement.scrollTop;
+      var lastY = state.lastY;
+      if (currentY > lastY)
+        state.down = true;
+      else if (currentY < lastY)
+        state.down = false;
+      // else do nothing and use previous value
+      state.lastY = currentY;
+      callback();
+    }, true);
+  },
+
+  setScale: function pdfViewSetScale(val, resetAutoSettings, noScroll) {
     if (val == this.currentScale)
       return;
 
@@ -238,7 +283,7 @@ var PDFView = {
     for (var i = 0; i < pages.length; i++)
       pages[i].update(val * kCssUnits);
 
-    if (this.currentScale != val)
+    if (!noScroll && this.currentScale != val)
       this.pages[this.page - 1].scrollIntoView();
     this.currentScale = val;
 
@@ -249,14 +294,14 @@ var PDFView = {
     window.dispatchEvent(event);
   },
 
-  parseScale: function pdfViewParseScale(value, resetAutoSettings) {
+  parseScale: function pdfViewParseScale(value, resetAutoSettings, noScroll) {
     if ('custom' == value)
       return;
 
     var scale = parseFloat(value);
     this.currentScaleValue = value;
     if (scale) {
-      this.setScale(scale, true);
+      this.setScale(scale, true, noScroll);
       return;
     }
 
@@ -268,22 +313,22 @@ var PDFView = {
                            currentPage.height * currentPage.scale / kCssUnits;
     switch (value) {
       case 'page-actual':
-        this.setScale(1, resetAutoSettings);
+        scale = 1;
         break;
       case 'page-width':
-        this.setScale(pageWidthScale, resetAutoSettings);
+        scale = pageWidthScale;
         break;
       case 'page-height':
-        this.setScale(pageHeightScale, resetAutoSettings);
+        scale = pageHeightScale;
         break;
       case 'page-fit':
-        this.setScale(
-            Math.min(pageWidthScale, pageHeightScale), resetAutoSettings);
+        scale = Math.min(pageWidthScale, pageHeightScale);
         break;
       case 'auto':
-        this.setScale(Math.min(1.0, pageWidthScale), resetAutoSettings);
+        scale = Math.min(1.0, pageWidthScale);
         break;
     }
+    this.setScale(scale, resetAutoSettings, noScroll);
 
     selectScaleOption(value);
   },
@@ -334,6 +379,17 @@ var PDFView = {
     return currentPageNumber;
   },
 
+  get supportsPrinting() {
+    var canvas = document.createElement('canvas');
+    var value = 'mozPrintCallback' in canvas;
+    // shadow
+    Object.defineProperty(this, 'supportsPrinting', { value: value,
+                                                      enumerable: true,
+                                                      configurable: true,
+                                                      writable: false });
+    return value;
+  },
+
   open: function pdfViewOpen(url, scale, password) {
     var parameters = {password: password};
     if (typeof url === 'string') { // URL
@@ -348,6 +404,7 @@ var PDFView = {
       PDFView.loadingBar = new ProgressBar('#loadingBar', {});
     }
 
+    this.pdfDocument = null;
     var self = this;
     self.loading = true;
     PDFJS.getDocument(parameters).then(
@@ -356,7 +413,7 @@ var PDFView = {
         self.loading = false;
       },
       function getDocumentError(message, exception) {
-        if (exception.name === 'PasswordException') {
+        if (exception && exception.name === 'PasswordException') {
           if (exception.code === 'needpassword') {
             var promptString = mozL10n.get('request_password', null,
                                       'PDF is protected by a password:');
@@ -384,9 +441,37 @@ var PDFView = {
   },
 
   download: function pdfViewDownload() {
+    function noData() {
+      FirefoxCom.request('download', { originalUrl: url });
+    }
+
     var url = this.url.split('#')[0];
     if (PDFJS.isFirefoxExtension) {
-      FirefoxCom.request('download', url);
+      // Document isn't ready just try to download with the url.
+      if (!this.pdfDocument) {
+        noData();
+        return;
+      }
+      this.pdfDocument.getData().then(
+        function getDataSuccess(data) {
+          var bb = new MozBlobBuilder();
+          bb.append(data.buffer);
+          var blobUrl = window.URL.createObjectURL(
+                          bb.getBlob('application/pdf'));
+
+          FirefoxCom.request('download', { blobUrl: blobUrl, originalUrl: url },
+            function response(err) {
+              if (err) {
+                // This error won't really be helpful because it's likely the
+                // fallback won't work either (or is already open).
+                PDFView.error('PDF failed to download.');
+              }
+              window.URL.revokeObjectURL(blobUrl);
+            }
+          );
+        },
+        noData // Error ocurred try downloading with just the url.
+      );
     } else {
       url += '#pdfjs.action=download', '_parent';
       window.open(url, '_parent');
@@ -402,7 +487,11 @@ var PDFView = {
       return;
     this.fellback = true;
     var url = this.url.split('#')[0];
-    FirefoxCom.request('fallback', url);
+    FirefoxCom.request('fallback', url, function response(download) {
+      if (!download)
+        return;
+      PDFView.download();
+    });
   },
 
   navigateTo: function pdfViewNavigateTo(dest) {
@@ -528,10 +617,6 @@ var PDFView = {
 
   progress: function pdfViewProgress(level) {
     var percent = Math.round(level * 100);
-    var loadingIndicator = document.getElementById('loading');
-    loadingIndicator.textContent = mozL10n.get('loading', {percent: percent},
-      'Loading... {{percent}}%');
-
     PDFView.loadingBar.percent = percent;
   },
 
@@ -540,15 +625,18 @@ var PDFView = {
       // when page is painted, using the image as thumbnail base
       pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() {
         thumbnailView.setImage(pageView.canvas);
-        preDraw();
       };
     }
 
+    this.pdfDocument = pdfDocument;
+
     var errorWrapper = document.getElementById('errorWrapper');
     errorWrapper.setAttribute('hidden', 'true');
 
     var loadingBox = document.getElementById('loadingBox');
     loadingBox.setAttribute('hidden', 'true');
+    var loadingIndicator = document.getElementById('loading');
+    loadingIndicator.textContent = '';
 
     var thumbsView = document.getElementById('thumbnailView');
     thumbsView.parentNode.scrollTop = 0;
@@ -663,6 +751,88 @@ var PDFView = {
     }
   },
 
+  renderHighestPriority: function pdfViewRenderHighestPriority() {
+    // Pages have a higher priority than thumbnails, so check them first.
+    var visiblePages = this.getVisiblePages();
+    var pageView = this.getHighestPriority(visiblePages, this.pages,
+                                           this.pageViewScroll.down);
+    if (pageView) {
+      this.renderView(pageView, 'page');
+      return;
+    }
+    // No pages needed rendering so check thumbnails.
+    if (this.sidebarOpen) {
+      var visibleThumbs = this.getVisibleThumbs();
+      var thumbView = this.getHighestPriority(visibleThumbs,
+                                              this.thumbnails,
+                                              this.thumbnailViewScroll.down);
+      if (thumbView)
+        this.renderView(thumbView, 'thumbnail');
+    }
+  },
+
+  getHighestPriority: function pdfViewGetHighestPriority(visibleViews, views,
+                                                         scrolledDown) {
+    // The state has changed figure out which page has the highest priority to
+    // render next (if any).
+    // Priority:
+    // 1 visible pages
+    // 2 if last scrolled down page after the visible pages
+    // 2 if last scrolled up page before the visible pages
+    var numVisible = visibleViews.length;
+    if (numVisible === 0) {
+      info('No visible views.');
+      return false;
+    }
+    for (var i = 0; i < numVisible; ++i) {
+      var view = visibleViews[i].view;
+      if (!this.isViewFinshed(view))
+        return view;
+    }
+
+    // All the visible views have rendered, try to render next/previous pages.
+    if (scrolledDown) {
+      var lastVisible = visibleViews[visibleViews.length - 1];
+      var nextPageIndex = lastVisible.id;
+      // ID's start at 1 so no need to add 1.
+      if (views[nextPageIndex] && !this.isViewFinshed(views[nextPageIndex]))
+        return views[nextPageIndex];
+    } else {
+      var previousPageIndex = visibleViews[0].id - 2;
+      if (views[previousPageIndex] &&
+          !this.isViewFinshed(views[previousPageIndex]))
+        return views[previousPageIndex];
+    }
+    // Everything that needs to be rendered has been.
+    return false;
+  },
+
+  isViewFinshed: function pdfViewNeedsRendering(view) {
+    return view.renderingState === RenderingStates.FINISHED;
+  },
+
+  // Render a page or thumbnail view. This calls the appropriate function based
+  // on the views state. If the view is already rendered it will return false.
+  renderView: function pdfViewRender(view, type) {
+    var state = view.renderingState;
+    switch (state) {
+      case RenderingStates.FINISHED:
+        return false;
+      case RenderingStates.PAUSED:
+        PDFView.highestPriorityPage = type + view.id;
+        view.resume();
+        break;
+      case RenderingStates.RUNNING:
+        PDFView.highestPriorityPage = type + view.id;
+        break;
+      case RenderingStates.INITIAL:
+        PDFView.highestPriorityPage = type + view.id;
+        view.draw(this.renderHighestPriority.bind(this));
+        break;
+    }
+    return true;
+  },
+
   search: function pdfViewStartSearch() {
     // Limit this function to run every <SEARCH_TIMEOUT>ms.
     var SEARCH_TIMEOUT = 250;
@@ -720,7 +890,12 @@ var PDFView = {
       pageFound = true;
     }
     if (!pageFound) {
-      searchResults.textContent = '(Not found)';
+      searchResults.textContent = '';
+      var noResults = document.createElement('div');
+      noResults.classList.add('noResults');
+      noResults.textContent = mozL10n.get('search_terms_not_found', null,
+                                              '(Not found)');
+      searchResults.appendChild(noResults);
     }
   },
 
@@ -781,7 +956,7 @@ var PDFView = {
         outlineView.classList.add('hidden');
         searchView.classList.add('hidden');
 
-        updateThumbViewArea();
+        PDFView.renderHighestPriority();
         break;
 
       case 'outline':
@@ -831,63 +1006,39 @@ var PDFView = {
   },
 
   getVisiblePages: function pdfViewGetVisiblePages() {
-    var pages = this.pages;
-    var kBottomMargin = 10;
-    var kTopPadding = 30;
-    var visiblePages = [];
-
-    var currentHeight = kTopPadding + kBottomMargin;
-    var container = this.container;
-    // Add 1px to the scrolltop to give a little wiggle room if the math is off,
-    // this won't be needed if we calc current page number based off the middle
-    // of the screen instead of the top.
-    var containerTop = container.scrollTop + 1;
-    for (var i = 1; i <= pages.length; ++i) {
-      var page = pages[i - 1];
-      var pageHeight = page.height + kBottomMargin;
-      if (currentHeight + pageHeight > containerTop)
-        break;
-
-      currentHeight += pageHeight;
-    }
-
-    var containerBottom = containerTop + container.clientHeight;
-    for (; i <= pages.length && currentHeight < containerBottom; ++i) {
-      var singlePage = pages[i - 1];
-      visiblePages.push({ id: singlePage.id, y: currentHeight,
-                          view: singlePage });
-      currentHeight += page.height + kBottomMargin;
-    }
-    return visiblePages;
+    return this.getVisibleElements(this.container,
+                                   this.pages);
   },
 
   getVisibleThumbs: function pdfViewGetVisibleThumbs() {
-    var thumbs = this.thumbnails;
-    var kBottomMargin = 15;
-    var visibleThumbs = [];
+    return this.getVisibleElements(this.thumbnailContainer,
+                                   this.thumbnails);
+  },
 
-    var view = document.getElementById('thumbnailView');
-    var currentHeight = kBottomMargin;
+  // Generic helper to find out what elements are visible within a scroll pane.
+  getVisibleElements: function pdfViewGetVisibleElements(scrollEl, views) {
+    var currentHeight = 0, view;
+    var top = scrollEl.scrollTop;
 
-    var top = view.scrollTop;
-    for (var i = 1; i <= thumbs.length; ++i) {
-      var thumb = thumbs[i - 1];
-      var thumbHeight = thumb.height * thumb.scaleY + kBottomMargin;
-      if (currentHeight + thumbHeight > top)
+    for (var i = 1; i <= views.length; ++i) {
+      view = views[i - 1];
+      currentHeight = view.el.offsetTop;
+      if (currentHeight + view.el.clientHeight > top)
         break;
-
-      currentHeight += thumbHeight;
+      currentHeight += view.el.clientHeight;
     }
 
-    var bottom = top + view.clientHeight;
-    for (; i <= thumbs.length && currentHeight < bottom; ++i) {
-      var singleThumb = thumbs[i - 1];
-      visibleThumbs.push({ id: singleThumb.id, y: currentHeight,
-                          view: singleThumb });
-      currentHeight += singleThumb.height * singleThumb.scaleY + kBottomMargin;
+    var visible = [];
+    var bottom = top + scrollEl.clientHeight;
+    for (; i <= views.length && currentHeight < bottom; ++i) {
+      view = views[i - 1];
+      currentHeight = view.el.offsetTop;
+      visible.push({ id: view.id, y: currentHeight,
+                     view: view });
+      currentHeight += view.el.clientHeight;
     }
 
-    return visibleThumbs;
+    return visible;
   },
 
   // Helper function to parse query string (e.g. ?param1=value&parm2=...).
@@ -901,6 +1052,26 @@ var PDFView = {
       params[unescape(key)] = unescape(value);
     }
     return params;
+  },
+
+  beforePrint: function pdfViewSetupBeforePrint() {
+    if (!this.supportsPrinting) {
+      var printMessage = mozL10n.get('printing_not_supported', null,
+          'Warning: Printing is not fully supported by this browser.');
+      this.error(printMessage);
+      return;
+    }
+    var body = document.querySelector('body');
+    body.setAttribute('data-mozPrintCallback', true);
+    for (var i = 0, ii = this.pages.length; i < ii; ++i) {
+      this.pages[i].beforePrint();
+    }
+  },
+
+  afterPrint: function pdfViewSetupAfterPrint() {
+    var div = document.getElementById('printContainer');
+    while (div.hasChildNodes())
+      div.removeChild(div.lastChild);
   }
 };
 
@@ -912,10 +1083,13 @@ var PageView = function pageView(container, pdfPage, id, scale,
   this.scale = scale || 1.0;
   this.viewport = this.pdfPage.getViewport(this.scale);
 
+  this.renderingState = RenderingStates.INITIAL;
+  this.resume = null;
+
   var anchor = document.createElement('a');
   anchor.name = '' + this.id;
 
-  var div = document.createElement('div');
+  var div = this.el = document.createElement('div');
   div.id = 'pageContainer' + this.id;
   div.className = 'page';
 
@@ -928,6 +1102,9 @@ var PageView = function pageView(container, pdfPage, id, scale,
   };
 
   this.update = function pageViewUpdate(scale) {
+    this.renderingState = RenderingStates.INITIAL;
+    this.resume = null;
+
     this.scale = scale || this.scale;
     var viewport = this.pdfPage.getViewport(this.scale);
 
@@ -1101,9 +1278,9 @@ var PageView = function pageView(container, pdfPage, id, scale,
       }
 
       if (scale && scale !== PDFView.currentScale)
-        PDFView.parseScale(scale, true);
+        PDFView.parseScale(scale, true, true);
       else if (PDFView.currentScale === kUnknownScale)
-        PDFView.parseScale(kDefaultScale, true);
+        PDFView.parseScale(kDefaultScale, true, true);
 
       var boundingRect = [
         this.viewport.convertToViewportPoint(x, y),
@@ -1130,16 +1307,11 @@ var PageView = function pageView(container, pdfPage, id, scale,
       }, 0);
   };
 
-  this.drawingRequired = function() {
-    return !div.querySelector('canvas');
-  };
-
   this.draw = function pageviewDraw(callback) {
-    if (!this.drawingRequired()) {
-      this.updateStats();
-      callback();
-      return;
-    }
+    if (this.renderingState !== RenderingStates.INITIAL)
+      error('Must be in new state before drawing');
+
+    this.renderingState = RenderingStates.RUNNING;
 
     var canvas = document.createElement('canvas');
     canvas.id = 'page' + this.id;
@@ -1169,6 +1341,8 @@ var PageView = function pageView(container, pdfPage, id, scale,
 
     var self = this;
     function pageViewDrawCallback(error) {
+      self.renderingState = RenderingStates.FINISHED;
+
       if (self.loadingIconDiv) {
         div.removeChild(self.loadingIconDiv);
         delete self.loadingIconDiv;
@@ -1191,7 +1365,18 @@ var PageView = function pageView(container, pdfPage, id, scale,
     var renderContext = {
       canvasContext: ctx,
       viewport: this.viewport,
-      textLayer: textLayer
+      textLayer: textLayer,
+      continueCallback: function pdfViewcContinueCallback(cont) {
+        if (PDFView.highestPriorityPage !== 'page' + self.id) {
+          self.renderingState = RenderingStates.PAUSED;
+          self.resume = function resumeCallback() {
+            self.renderingState = RenderingStates.RUNNING;
+            cont();
+          };
+          return;
+        }
+        cont();
+      }
     };
     this.pdfPage.render(renderContext).then(
       function pdfPageRenderCallback() {
@@ -1206,6 +1391,44 @@ var PageView = function pageView(container, pdfPage, id, scale,
     div.setAttribute('data-loaded', true);
   };
 
+  this.beforePrint = function pageViewBeforePrint() {
+    var pdfPage = this.pdfPage;
+    var viewport = pdfPage.getViewport(1);
+
+    var canvas = this.canvas = document.createElement('canvas');
+    canvas.width = viewport.width;
+    canvas.height = viewport.height;
+    canvas.style.width = viewport.width + 'pt';
+    canvas.style.height = viewport.height + 'pt';
+
+    var printContainer = document.getElementById('printContainer');
+    printContainer.appendChild(canvas);
+
+    var self = this;
+    canvas.mozPrintCallback = function(obj) {
+      var ctx = obj.context;
+      var renderContext = {
+        canvasContext: ctx,
+        viewport: viewport
+      };
+
+      pdfPage.render(renderContext).then(function() {
+        // Tell the printEngine that rendering this canvas/page has finished.
+        obj.done();
+        self.pdfPage.destroy();
+      }, function(error) {
+        console.error(error);
+        // Tell the printEngine that rendering this canvas/page has failed.
+        // This will make the print proces stop.
+        if ('abort' in object)
+          obj.abort();
+        else
+          obj.done();
+        self.pdfPage.destroy();
+      });
+    };
+  };
+
   this.updateStats = function pageViewUpdateStats() {
     if (PDFJS.pdfBug && Stats.enabled) {
       var stats = this.stats;
@@ -1234,7 +1457,7 @@ var ThumbnailView = function thumbnailView(container, pdfPage, id) {
   var scaleX = this.scaleX = (canvasWidth / pageWidth);
   var scaleY = this.scaleY = (canvasHeight / pageHeight);
 
-  var div = document.createElement('div');
+  var div = this.el = document.createElement('div');
   div.id = 'thumbnailContainer' + id;
   div.className = 'thumbnail';
 
@@ -1242,6 +1465,7 @@ var ThumbnailView = function thumbnailView(container, pdfPage, id) {
   container.appendChild(anchor);
 
   this.hasImage = false;
+  this.renderingState = RenderingStates.INITIAL;
 
   function getPageDrawContext() {
     var canvas = document.createElement('canvas');
@@ -1274,22 +1498,40 @@ var ThumbnailView = function thumbnailView(container, pdfPage, id) {
   };
 
   this.draw = function thumbnailViewDraw(callback) {
+    if (this.renderingState !== RenderingStates.INITIAL)
+      error('Must be in new state before drawing');
+
+    this.renderingState = RenderingStates.RUNNING;
     if (this.hasImage) {
       callback();
       return;
     }
 
+    var self = this;
     var ctx = getPageDrawContext();
     var drawViewport = pdfPage.getViewport(scaleX);
     var renderContext = {
       canvasContext: ctx,
-      viewport: drawViewport
+      viewport: drawViewport,
+      continueCallback: function(cont) {
+        if (PDFView.highestPriorityPage !== 'thumbnail' + self.id) {
+          self.renderingState = RenderingStates.PAUSED;
+          self.resume = function() {
+            self.renderingState = RenderingStates.RUNNING;
+            cont();
+          };
+          return;
+        }
+        cont();
+      }
     };
     pdfPage.render(renderContext).then(
       function pdfPageRenderCallback() {
+        self.renderingState = RenderingStates.FINISHED;
         callback();
       },
       function pdfPageRenderError(error) {
+        self.renderingState = RenderingStates.FINISHED;
         callback();
       }
     );
@@ -1299,7 +1541,7 @@ var ThumbnailView = function thumbnailView(container, pdfPage, id) {
   this.setImage = function thumbnailViewSetImage(img) {
     if (this.hasImage || !img)
       return;
-
+    this.renderingState = RenderingStates.FINISHED;
     var ctx = getPageDrawContext();
     ctx.drawImage(img, 0, 0, img.width, img.height,
                   0, 0, ctx.canvas.width, ctx.canvas.height);
@@ -1520,7 +1762,7 @@ window.addEventListener('load', function webViewerLoad(evt) {
     PDFJS.disableTextLayer = (hashParams['disableTextLayer'] === 'true');
 
   if ('pdfBug' in hashParams &&
-      (!PDFJS.isFirefoxExtension || FirefoxCom.request('pdfBugEnabled'))) {
+      (!PDFJS.isFirefoxExtension || FirefoxCom.requestSync('pdfBugEnabled'))) {
     PDFJS.pdfBug = true;
     var pdfBug = hashParams['pdfBug'];
     var enabled = pdfBug.split(',');
@@ -1529,10 +1771,14 @@ window.addEventListener('load', function webViewerLoad(evt) {
   }
 
   if (!PDFJS.isFirefoxExtension ||
-    (PDFJS.isFirefoxExtension && FirefoxCom.request('searchEnabled'))) {
+    (PDFJS.isFirefoxExtension && FirefoxCom.requestSync('searchEnabled'))) {
     document.querySelector('#viewSearch').classList.remove('hidden');
   }
 
+  if (!PDFView.supportsPrinting) {
+    document.getElementById('print').classList.add('hidden');
+  }
+
   // Listen for warnings to trigger the fallback UI.  Errors should be caught
   // and call PDFView.error() so we don't need to listen for those.
   PDFJS.LogManager.addLogger({
@@ -1541,9 +1787,6 @@ window.addEventListener('load', function webViewerLoad(evt) {
     }
   });
 
-  var thumbsView = document.getElementById('thumbnailView');
-  thumbsView.addEventListener('scroll', updateThumbViewArea, true);
-
   var mainContainer = document.getElementById('mainContainer');
   var outerContainer = document.getElementById('outerContainer');
   mainContainer.addEventListener('transitionend', function(e) {
@@ -1560,56 +1803,19 @@ window.addEventListener('load', function webViewerLoad(evt) {
       this.classList.toggle('toggled');
       outerContainer.classList.add('sidebarMoving');
       outerContainer.classList.toggle('sidebarOpen');
-      updateThumbViewArea();
+      PDFView.sidebarOpen = outerContainer.classList.contains('sidebarOpen');
+      PDFView.renderHighestPriority();
     });
 
   PDFView.open(file, 0);
 }, true);
 
-/**
- * Render the next not yet visible page already such that it is
- * hopefully ready once the user scrolls to it.
- */
-function preDraw() {
-  var pages = PDFView.pages;
-  var visible = PDFView.getVisiblePages();
-  var last = visible[visible.length - 1];
-  // PageView.id is the actual page number, which is + 1 compared
-  // to the index in `pages`. That means, pages[last.id] is the next
-  // PageView instance.
-  if (pages[last.id] && pages[last.id].drawingRequired()) {
-    renderingQueue.enqueueDraw(pages[last.id]);
-    return;
-  }
-  // If there is nothing to draw on the next page, maybe the user
-  // is scrolling up, so, let's try to render the next page *before*
-  // the first visible page
-  if (pages[visible[0].id - 2]) {
-    renderingQueue.enqueueDraw(pages[visible[0].id - 2]);
-  }
-}
-
 function updateViewarea() {
   if (!PDFView.initialized)
     return;
   var visiblePages = PDFView.getVisiblePages();
-  var pageToDraw;
-  for (var i = 0; i < visiblePages.length; i++) {
-    var page = visiblePages[i];
-    var pageObj = PDFView.pages[page.id - 1];
 
-    pageToDraw |= pageObj.drawingRequired();
-    renderingQueue.enqueueDraw(pageObj);
-  }
-
-  if (!visiblePages.length)
-    return;
-
-  // If there is no need to draw a page that is currenlty visible, preDraw the
-  // next page the user might scroll to.
-  if (!pageToDraw) {
-    preDraw();
-  }
+  PDFView.renderHighestPriority();
 
   updateViewarea.inProgress = true; // used in "set page"
   var currentId = PDFView.page;
@@ -1640,29 +1846,6 @@ function updateViewarea() {
   document.getElementById('viewBookmark').href = href;
 }
 
-window.addEventListener('scroll', function webViewerScroll(evt) {
-  updateViewarea();
-}, true);
-
-var thumbnailTimer;
-
-function updateThumbViewArea() {
-  // Only render thumbs after pausing scrolling for this amount of time
-  // (makes UI more responsive)
-  var delay = 50; // in ms
-
-  if (thumbnailTimer)
-    clearTimeout(thumbnailTimer);
-
-  thumbnailTimer = setTimeout(function() {
-    var visibleThumbs = PDFView.getVisibleThumbs();
-    for (var i = 0; i < visibleThumbs.length; i++) {
-      var thumb = visibleThumbs[i];
-      renderingQueue.enqueueDraw(PDFView.thumbnails[thumb.id - 1]);
-    }
-  }, delay);
-}
-
 window.addEventListener('resize', function webViewerResize(evt) {
   if (PDFView.initialized &&
       (document.getElementById('pageWidthOption').selected ||
@@ -1771,6 +1954,18 @@ window.addEventListener('pagechange', function pagechange(evt) {
   document.getElementById('next').disabled = (page >= PDFView.pages.length);
 }, true);
 
+// Firefox specific event, so that we can prevent browser from zooming
+window.addEventListener('DOMMouseScroll', function(evt) {
+  if (evt.ctrlKey) {
+    evt.preventDefault();
+
+    var ticks = evt.detail;
+    var direction = (ticks > 0) ? 'zoomOut' : 'zoomIn';
+    for (var i = 0, length = Math.abs(ticks); i < length; i++)
+      PDFView[direction]();
+  }
+}, false);
+
 window.addEventListener('keydown', function keydown(evt) {
   var handled = false;
   var cmd = (evt.ctrlKey ? 1 : 0) |
@@ -1838,3 +2033,11 @@ window.addEventListener('keydown', function keydown(evt) {
     evt.preventDefault();
   }
 });
+
+window.addEventListener('beforeprint', function beforePrint(evt) {
+  PDFView.beforePrint();
+});
+
+window.addEventListener('afterprint', function afterPrint(evt) {
+  PDFView.afterPrint();
+});
diff --git a/browser/extensions/pdfjs/install.rdf.in b/browser/extensions/pdfjs/install.rdf.in
deleted file mode 100644
index 7281402a8030..000000000000
--- a/browser/extensions/pdfjs/install.rdf.in
+++ /dev/null
@@ -1,27 +0,0 @@
-<?xml version="1.0"?>
-
-#filter substitution
-
-<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-     xmlns:em="http://www.mozilla.org/2004/em-rdf#">
-
-  <Description about="urn:mozilla:install-manifest">
-    <em:id>uriloader@pdf.js</em:id>
-    <!-- PDFJS_LOCALIZED_METADATA -->
-    <em:name>PDF Viewer</em:name>
-    <em:version>0.3.266</em:version>
-    <em:targetApplication>
-      <Description>
-       <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
-       <em:minVersion>@FIREFOX_VERSION@</em:minVersion>
-       <em:maxVersion>@FIREFOX_VERSION@</em:maxVersion>
-     </Description>
-    </em:targetApplication>
-    <em:strictCompatibility>true</em:strictCompatibility>
-    <em:bootstrap>true</em:bootstrap>
-    <em:creator>Mozilla</em:creator>
-    <em:description>Uses HTML5 to display PDF files directly in Firefox.</em:description>
-    <em:homepageURL>https://support.mozilla.org/kb/Opening%20PDF%20files%20within%20Firefox</em:homepageURL>
-    <em:type>2</em:type>
-  </Description>
-</RDF>
diff --git a/browser/locales/en-US/pdfviewer/chrome.properties b/browser/locales/en-US/pdfviewer/chrome.properties
index 1885e60362ea..2b3dce42fe10 100644
--- a/browser/locales/en-US/pdfviewer/chrome.properties
+++ b/browser/locales/en-US/pdfviewer/chrome.properties
@@ -1,3 +1,4 @@
 # Chrome notification bar messages and buttons
 unsupported_feature=This PDF document might not be displayed correctly.
 open_with_different_viewer=Open With Different Viewer
+open_with_different_viewer.accessKey=o
diff --git a/browser/locales/en-US/pdfviewer/viewer.properties b/browser/locales/en-US/pdfviewer/viewer.properties
index cdb84d05fd70..1c4dd1cde61f 100644
--- a/browser/locales/en-US/pdfviewer/viewer.properties
+++ b/browser/locales/en-US/pdfviewer/viewer.properties
@@ -78,14 +78,14 @@ page_scale_auto=Automatic Zoom
 page_scale_actual=Actual Size
 
 # Loading indicator messages
-# LOCALIZATION NOTE (error_line): "{{[percent}}" will be replaced with a percentage
-loading=Loading… {{percent}}%
 loading_error_indicator=Error
 loading_error=An error occurred while loading the PDF.
 
 # LOCALIZATION NOTE (text_annotation_type): This is used as a tooltip.
-# "{{[type}}" will be replaced with an annotation type from a list defined in
+# "{{type}}" will be replaced with an annotation type from a list defined in
 # the PDF spec (32000-1:2008 Table 169 – Annotation types).
 # Some common types are e.g.: "Check", "Text", "Comment", "Note"
 text_annotation_type=[{{type}} Annotation]
 request_password=PDF is protected by a password:
+
+printing_not_supported=Warning: Printing is not fully supported by this browser.