Bug 743264 - Update pdf.js to version 0.2.536. r=mossop

browser/app/profile/extensions/uriloader@pdf.js/LICENSE

@@ -12,6 +12,7 @@
                   Jakob Miland <saebekassebil@gmail.com>
                   Artur Adib <aadib@mozilla.com>
                   Brendan Dahl <bdahl@mozilla.com>
+                  David Quintana <gigaherz@gmail.com>
 
     Permission is hereby granted, free of charge, to any person obtaining a
     copy of this software and associated documentation files (the "Software"),

browser/app/profile/extensions/uriloader@pdf.js/README.mozilla

@@ -1,4 +1,4 @@
 This is the pdf.js project output, https://github.com/mozilla/pdf.js
 
-Current extension version is: 0.2.414
+Current extension version is: 0.2.536
 

browser/app/profile/extensions/uriloader@pdf.js/components/PdfStreamConverter.js

@@ -30,23 +30,11 @@ function log(aMsg) {
   Services.console.logStringMessage(msg);
   dump(msg + '\n');
 }
-function getWindow(top, id) {
-  return top.QueryInterface(Ci.nsIInterfaceRequestor)
-            .getInterface(Ci.nsIDOMWindowUtils)
-            .getOuterWindowWithId(id);
-}
-function windowID(win) {
-  return win.QueryInterface(Ci.nsIInterfaceRequestor)
-            .getInterface(Ci.nsIDOMWindowUtils)
-            .outerWindowID;
-}
-function topWindow(win) {
-  return win.QueryInterface(Ci.nsIInterfaceRequestor)
-            .getInterface(Ci.nsIWebNavigation)
-            .QueryInterface(Ci.nsIDocShellTreeItem)
-            .rootTreeItem
-            .QueryInterface(Ci.nsIInterfaceRequestor)
-            .getInterface(Ci.nsIDOMWindow);
+
+function getDOMWindow(aChannel) {
+  var requestor = aChannel.notificationCallbacks;
+  var win = requestor.getInterface(Components.interfaces.nsIDOMWindow);
+  return win;
 }
 
 // All the priviledged actions.
@@ -75,6 +63,7 @@ ChromeActions.prototype = {
   }
 };
 
+
 // Event listener to trigger chrome privedged code.
 function RequestListener(actions) {
   this.actions = actions;
@@ -163,38 +152,32 @@ PdfStreamConverter.prototype = {
     var channel = ioService.newChannel(
                     'resource://pdf.js/web/viewer.html', null, null);
 
-    // Keep the URL the same so the browser sees it as the same.
-    channel.originalURI = aRequest.URI;
-    channel.asyncOpen(this.listener, aContext);
-
-    // Setup a global listener waiting for the next DOM to be created and verfiy
-    // that its the one we want by its URL. When the correct DOM is found create
-    // an event listener on that window for the pdf.js events that require
-    // chrome priviledges. Code snippet from John Galt.
-    let window = aRequest.loadGroup.groupObserver
-                         .QueryInterface(Ci.nsIWebProgress)
-                         .DOMWindow;
-    let top = topWindow(window);
-    let id = windowID(window);
-    window = null;
-
-    top.addEventListener('DOMWindowCreated', function onDOMWinCreated(event) {
-      let doc = event.originalTarget;
-      let win = doc.defaultView;
-
-      if (id == windowID(win)) {
-        top.removeEventListener('DOMWindowCreated', onDOMWinCreated, true);
-        if (!doc.documentURIObject.equals(aRequest.URI))
-          return;
-
+    var listener = this.listener;
+    // Proxy all the request observer calls, when it gets to onStopRequest
+    // we can get the dom window.
+    var proxy = {
+      onStartRequest: function() {
+        listener.onStartRequest.apply(listener, arguments);
+      },
+      onDataAvailable: function() {
+        listener.onDataAvailable.apply(listener, arguments);
+      },
+      onStopRequest: function() {
+        var domWindow = getDOMWindow(channel);
+        // Double check the url is still the correct one.
+        if (domWindow.document.documentURIObject.equals(aRequest.URI)) {
           let requestListener = new RequestListener(new ChromeActions);
-        win.addEventListener(PDFJS_EVENT_ID, function(event) {
+          domWindow.addEventListener(PDFJS_EVENT_ID, function(event) {
             requestListener.receive(event);
           }, false, true);
-      } else if (!getWindow(top, id)) {
-        top.removeEventListener('DOMWindowCreated', onDOMWinCreated, true);
         }
-    }, true);
+        listener.onStopRequest.apply(listener, arguments);
+      }
+    };
+
+    // Keep the URL the same so the browser sees it as the same.
+    channel.originalURI = aRequest.URI;
+    channel.asyncOpen(proxy, aContext);
   },
 
   // nsIRequestObserver::onStopRequest

browser/app/profile/extensions/uriloader@pdf.js/content/web/viewer.css

@@ -391,11 +391,43 @@ canvas {
   }
 }
 
-#loading {
+#loadingBox {
   margin: 100px 0;
   text-align: center;
 }
 
+#loadingBar {
+  background-color: #333;
+  display: inline-block;
+  border: 1px solid black;
+  clear: both;
+  margin:0px;
+  line-height: 0;
+  border-radius: 4px;
+  width: 15em;
+  height: 1.5em;
+}
+
+#loadingBar .progress {
+  background-color: green;
+  display: inline-block;
+  float: left;
+
+  background: #b4e391;
+  background: -moz-linear-gradient(top, #b4e391 0%, #61c419 50%, #b4e391 100%);
+  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#b4e391), color-stop(50%,#61c419), color-stop(100%,#b4e391));
+  background: -webkit-linear-gradient(top, #b4e391 0%,#61c419 50%,#b4e391 100%);
+  background: -o-linear-gradient(top, #b4e391 0%,#61c419 50%,#b4e391 100%);
+  background: -ms-linear-gradient(top, #b4e391 0%,#61c419 50%,#b4e391 100%);
+  background: linear-gradient(top, #b4e391 0%,#61c419 50%,#b4e391 100%);    
+
+  border-top-left-radius: 3px;
+  border-bottom-left-radius: 3px;
+
+  width: 0%;
+  height: 100%;
+}
+
 #PDFBug {
   font-size: 10px;
   position: fixed;

browser/app/profile/extensions/uriloader@pdf.js/content/web/viewer.js

@@ -15,6 +15,15 @@ var kMaxScale = 4.0;
 var kImageDirectory = './images/';
 var kSettingsMemory = 20;
 
+function getFileName(url) {
+  var anchor = url.indexOf('#');
+  var query = url.indexOf('?');
+  var end = Math.min(
+    anchor > 0 ? anchor : url.length,
+    query > 0 ? query : url.length);
+  return url.substring(url.lastIndexOf('/', end) + 1, end);
+}
+
 var Cache = function cacheCache(size) {
   var data = [];
   this.push = function cachePush(view) {
@@ -27,6 +36,48 @@ var Cache = function cacheCache(size) {
   };
 };
 
+var ProgressBar = (function ProgressBarClosure() {
+
+  function clamp(v, min, max) {
+    return Math.min(Math.max(v, min), max);
+  }
+
+  function ProgressBar(id, opts) {
+
+    // Fetch the sub-elements for later
+    this.div = document.querySelector(id + ' .progress');
+
+    // Get options, with sensible defaults
+    this.height = opts.height || 100;
+    this.width = opts.width || 100;
+    this.units = opts.units || '%';
+    this.percent = opts.percent || 0;
+
+    // Initialize heights
+    this.div.style.height = this.height + this.units;
+  }
+
+  ProgressBar.prototype = {
+
+    updateBar: function ProgressBar_updateBar() {
+      var progressSize = this.width * this._percent / 100;
+
+      this.div.style.width = progressSize + this.units;
+    },
+
+    get percent() {
+      return this._percent;
+    },
+
+    set percent(val) {
+      this._percent = clamp(val, 0, 100);
+      this.updateBar();
+    }
+  };
+
+  return ProgressBar;
+})();
+
 var RenderingQueue = (function RenderingQueueClosure() {
   function RenderingQueue() {
     this.items = [];
@@ -258,7 +309,13 @@ var PDFView = {
   },
 
   open: function pdfViewOpen(url, scale) {
-    document.title = this.url = url;
+    this.url = url;
+
+    document.title = decodeURIComponent(getFileName(url)) || url;
+
+    if (!PDFView.loadingBar) {
+      PDFView.loadingBar = new ProgressBar('#loadingBar', {});
+    }
 
     var self = this;
     PDFJS.getPdf(
@@ -400,6 +457,8 @@ var PDFView = {
     var percent = Math.round(level * 100);
     var loadingIndicator = document.getElementById('loading');
     loadingIndicator.textContent = 'Loading... ' + percent + '%';
+
+    PDFView.loadingBar.percent = percent;
   },
 
   load: function pdfViewLoad(data, scale) {
@@ -414,8 +473,8 @@ var PDFView = {
     var errorWrapper = document.getElementById('errorWrapper');
     errorWrapper.setAttribute('hidden', 'true');
 
-    var loadingIndicator = document.getElementById('loading');
-    loadingIndicator.setAttribute('hidden', 'true');
+    var loadingBox = document.getElementById('loadingBox');
+    loadingBox.setAttribute('hidden', 'true');
 
     var sidebar = document.getElementById('sidebarView');
     sidebar.parentNode.scrollTop = 0;
@@ -499,6 +558,24 @@ var PDFView = {
       // Setting the default one.
       this.parseScale(kDefaultScale, true);
     }
+
+    this.metadata = null;
+    var metadata = pdf.catalog.metadata;
+    var info = this.documentInfo = pdf.info;
+    var pdfTitle;
+
+    if (metadata) {
+      this.metadata = metadata = new PDFJS.Metadata(metadata);
+
+      if (metadata.has('dc:title'))
+        pdfTitle = metadata.get('dc:title');
+    }
+
+    if (!pdfTitle && info && info['Title'])
+      pdfTitle = info['Title'];
+
+    if (pdfTitle)
+      document.title = pdfTitle;
   },
 
   setHash: function pdfViewSetHash(hash) {
@@ -1195,10 +1272,6 @@ window.addEventListener('load', function webViewerLoad(evt) {
   sidebarScrollView.addEventListener('scroll', updateThumbViewArea, true);
 }, true);
 
-window.addEventListener('unload', function webViewerUnload(evt) {
-  window.scrollTo(0, 0);
-}, true);
-
 /**
  * Render the next not yet visible page already such that it is
  * hopefully ready once the user scrolls to it.

browser/app/profile/extensions/uriloader@pdf.js/install.rdf.in

@@ -8,7 +8,7 @@
   <Description about="urn:mozilla:install-manifest">
     <em:id>uriloader@pdf.js</em:id>
     <em:name>PDF Viewer</em:name>
-    <em:version>0.2.414</em:version>
+    <em:version>0.2.536</em:version>
     <em:targetApplication>
       <Description>
        <em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
@@ -20,7 +20,7 @@
     <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>http://support.mozilla.org/kb/using-mozilla-pdf-viewer</em:homepageURL>
+    <em:homepageURL>https://support.mozilla.org/kb/Opening%20PDF%20files%20within%20Firefox</em:homepageURL>
     <em:type>2</em:type>
   </Description>
 </RDF>