The Tor Browser: toolkit/content/browser-child.js@6474c204b198 (annotated)

toolkit/content/browser-child.js@6474c204b198 (annotated)

toolkit/content/browser-child.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 let Cc = Components.classes;
 let Ci = Components.interfaces;
 let Cu = Components.utils;
 Cu.import("resource://gre/modules/Services.jsm");
 Cu.import('resource://gre/modules/XPCOMUtils.jsm');
 Cu.import("resource://gre/modules/RemoteAddonsChild.jsm");
 Cu.import("resource://gre/modules/Timer.jsm");
 let SyncHandler = {
   init: function() {
     sendAsyncMessage("SetSyncHandler", {}, {handler: this});
   },
   getFocusedElementAndWindow: function() {
     let fm = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);
     let focusedWindow = {};
     let elt = fm.getFocusedElementForWindow(content, true, focusedWindow);
     return [elt, focusedWindow.value];
   },
 };
 SyncHandler.init();
 let WebProgressListener = {
   init: function() {
     let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
                               .getInterface(Ci.nsIWebProgress);
     webProgress.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_ALL);
   },
   _requestSpec: function (aRequest) {
     if (!aRequest || !(aRequest instanceof Ci.nsIChannel))
       return null;
     return aRequest.QueryInterface(Ci.nsIChannel).URI.spec;
   },
   _setupJSON: function setupJSON(aWebProgress, aRequest) {
     return {
       isTopLevel: aWebProgress.isTopLevel,
       isLoadingDocument: aWebProgress.isLoadingDocument,
       requestURI: this._requestSpec(aRequest),
       loadType: aWebProgress.loadType,
       documentContentType: content.document && content.document.contentType
     };
   },
   _setupObjects: function setupObjects(aWebProgress) {
     return {
       contentWindow: content,
       // DOMWindow is not necessarily the content-window with subframes.
       DOMWindow: aWebProgress.DOMWindow
     };
   },
   onStateChange: function onStateChange(aWebProgress, aRequest, aStateFlags, aStatus) {
     let json = this._setupJSON(aWebProgress, aRequest);
     let objects = this._setupObjects(aWebProgress);
     json.stateFlags = aStateFlags;
     json.status = aStatus;
     sendAsyncMessage("Content:StateChange", json, objects);
   },
   onProgressChange: function onProgressChange(aWebProgress, aRequest, aCurSelf, aMaxSelf, aCurTotal, aMaxTotal) {
   },
   onLocationChange: function onLocationChange(aWebProgress, aRequest, aLocationURI, aFlags) {
     let json = this._setupJSON(aWebProgress, aRequest);
     let objects = this._setupObjects(aWebProgress);
     json.location = aLocationURI ? aLocationURI.spec : "";
     json.flags = aFlags;
     if (json.isTopLevel) {
       json.canGoBack = docShell.canGoBack;
       json.canGoForward = docShell.canGoForward;
       json.documentURI = content.document.documentURIObject.spec;
       json.charset = content.document.characterSet;
     }
     sendAsyncMessage("Content:LocationChange", json, objects);
   },
   onStatusChange: function onStatusChange(aWebProgress, aRequest, aStatus, aMessage) {
     let json = this._setupJSON(aWebProgress, aRequest);
     let objects = this._setupObjects(aWebProgress);
     json.status = aStatus;
     json.message = aMessage;
     sendAsyncMessage("Content:StatusChange", json, objects);
   },
   onSecurityChange: function onSecurityChange(aWebProgress, aRequest, aState) {
     let json = this._setupJSON(aWebProgress, aRequest);
     let objects = this._setupObjects(aWebProgress);
     json.state = aState;
     json.status = SecurityUI.getSSLStatusAsString();
     sendAsyncMessage("Content:SecurityChange", json, objects);
   },
   QueryInterface: function QueryInterface(aIID) {
     if (aIID.equals(Ci.nsIWebProgressListener) ||
         aIID.equals(Ci.nsISupportsWeakReference) ||
         aIID.equals(Ci.nsISupports)) {
         return this;
     }
     throw Components.results.NS_ERROR_NO_INTERFACE;
   }
 };
 WebProgressListener.init();
 let WebNavigation =  {
   _webNavigation: docShell.QueryInterface(Ci.nsIWebNavigation),
   init: function() {
     addMessageListener("WebNavigation:GoBack", this);
     addMessageListener("WebNavigation:GoForward", this);
     addMessageListener("WebNavigation:GotoIndex", this);
     addMessageListener("WebNavigation:LoadURI", this);
     addMessageListener("WebNavigation:Reload", this);
     addMessageListener("WebNavigation:Stop", this);
     // Send a CPOW for the sessionHistory object.
     let history = this._webNavigation.sessionHistory;
     sendAsyncMessage("WebNavigation:setHistory", {}, {history: history});
   },
   receiveMessage: function(message) {
     switch (message.name) {
       case "WebNavigation:GoBack":
         this.goBack();
         break;
       case "WebNavigation:GoForward":
         this.goForward();
         break;
       case "WebNavigation:GotoIndex":
         this.gotoIndex(message.data.index);
         break;
       case "WebNavigation:LoadURI":
         this.loadURI(message.data.uri, message.data.flags);
         break;
       case "WebNavigation:Reload":
         this.reload(message.data.flags);
         break;
       case "WebNavigation:Stop":
         this.stop(message.data.flags);
         break;
     }
   },
   goBack: function() {
     if (this._webNavigation.canGoBack)
       this._webNavigation.goBack();
   },
   goForward: function() {
     if (this._webNavigation.canGoForward)
       this._webNavigation.goForward();
   },
   gotoIndex: function(index) {
     this._webNavigation.gotoIndex(index);
   },
   loadURI: function(uri, flags) {
     this._webNavigation.loadURI(uri, flags, null, null, null);
   },
   reload: function(flags) {
     this._webNavigation.reload(flags);
   },
   stop: function(flags) {
     this._webNavigation.stop(flags);
   }
 };
 WebNavigation.init();
 let SecurityUI = {
   getSSLStatusAsString: function() {
     let status = docShell.securityUI.QueryInterface(Ci.nsISSLStatusProvider).SSLStatus;
     if (status) {
       let helper = Cc["@mozilla.org/network/serialization-helper;1"]
                       .getService(Ci.nsISerializationHelper);
       status.QueryInterface(Ci.nsISerializable);
       return helper.serializeToString(status);
     }
     return null;
   }
 };
 let ControllerCommands = {
   init: function () {
     addMessageListener("ControllerCommands:Do", this);
   },
   receiveMessage: function(message) {
     switch(message.name) {
       case "ControllerCommands:Do":
         if (docShell.isCommandEnabled(message.data))
           docShell.doCommand(message.data);
         break;
     }
   }
 }
 ControllerCommands.init()
 addEventListener("DOMTitleChanged", function (aEvent) {
   let document = content.document;
   switch (aEvent.type) {
   case "DOMTitleChanged":
     if (!aEvent.isTrusted || aEvent.target.defaultView != content)
       return;
     sendAsyncMessage("DOMTitleChanged", { title: document.title });
     break;
   }
 }, false);
 addEventListener("DOMWindowClose", function (aEvent) {
   if (!aEvent.isTrusted)
     return;
   sendAsyncMessage("DOMWindowClose");
   aEvent.preventDefault();
 }, false);
 addEventListener("ImageContentLoaded", function (aEvent) {
   if (content.document instanceof Ci.nsIImageDocument) {
     let req = content.document.imageRequest;
     if (!req.image)
       return;
     sendAsyncMessage("ImageDocumentLoaded", { width: req.image.width,
                                               height: req.image.height });
   }
 }, false);
 let DocumentObserver = {
   init: function() {
     Services.obs.addObserver(this, "document-element-inserted", false);
     addEventListener("unload", () => {
       Services.obs.removeObserver(this, "document-element-inserted");
     });
   },
   observe: function(aSubject, aTopic, aData) {
     if (aSubject == content.document) {
       sendAsyncMessage("DocumentInserted", {synthetic: aSubject.mozSyntheticDocument});
     }
   },
 };
 DocumentObserver.init();
 const ZoomManager = {
   get fullZoom() {
     return this._cache.fullZoom;
   },
   get textZoom() {
     return this._cache.textZoom;
   },
   set fullZoom(value) {
     this._cache.fullZoom = value;
     this._markupViewer.fullZoom = value;
   },
   set textZoom(value) {
     this._cache.textZoom = value;
     this._markupViewer.textZoom = value;
   },
   refreshFullZoom: function() {
     return this._refreshZoomValue('fullZoom');
   },
   refreshTextZoom: function() {
     return this._refreshZoomValue('textZoom');
   },
   /**
    * Retrieves specified zoom property value from markupViewer and refreshes
    * cache if needed.
    * @param valueName Either 'fullZoom' or 'textZoom'.
    * @returns Returns true if cached value was actually refreshed.
    * @private
    */
   _refreshZoomValue: function(valueName) {
     let actualZoomValue = this._markupViewer[valueName];
     if (actualZoomValue != this._cache[valueName]) {
       this._cache[valueName] = actualZoomValue;
       return true;
     }
     return false;
   },
   get _markupViewer() {
     return docShell.contentViewer.QueryInterface(Ci.nsIMarkupDocumentViewer);
   },
   _cache: {
     fullZoom: NaN,
     textZoom: NaN
   }
 };
 addMessageListener("FullZoom", function (aMessage) {
   ZoomManager.fullZoom = aMessage.data.value;
 });
 addMessageListener("TextZoom", function (aMessage) {
   ZoomManager.textZoom = aMessage.data.value;
 });
 addEventListener("FullZoomChange", function () {
   if (ZoomManager.refreshFullZoom()) {
     sendAsyncMessage("FullZoomChange", { value:  ZoomManager.fullZoom});
   }
 }, false);
 addEventListener("TextZoomChange", function (aEvent) {
   if (ZoomManager.refreshTextZoom()) {
     sendAsyncMessage("TextZoomChange", { value:  ZoomManager.textZoom});
   }
 }, false);
 RemoteAddonsChild.init(this);
 addMessageListener("NetworkPrioritizer:AdjustPriority", (msg) => {
   let webNav = docShell.QueryInterface(Ci.nsIWebNavigation);
   let loadGroup = webNav.QueryInterface(Ci.nsIDocumentLoader)
                         .loadGroup.QueryInterface(Ci.nsISupportsPriority);
   loadGroup.adjustPriority(msg.data.adjustment);
 });
 let AutoCompletePopup = {
   QueryInterface: XPCOMUtils.generateQI([Ci.nsIAutoCompletePopup]),
   init: function() {
     // Hook up the form fill autocomplete controller.
     let controller = Cc["@mozilla.org/satchel/form-fill-controller;1"]
                        .getService(Ci.nsIFormFillController);
     controller.attachToBrowser(docShell, this.QueryInterface(Ci.nsIAutoCompletePopup));
     this._input = null;
     this._popupOpen = false;
     addMessageListener("FormAutoComplete:HandleEnter", message => {
       this.selectedIndex = message.data.selectedIndex;
       let controller = Components.classes["@mozilla.org/autocomplete/controller;1"].
                   getService(Components.interfaces.nsIAutoCompleteController);
       controller.handleEnter(message.data.isPopupSelection);
     });
   },
   get input () { return this._input; },
   get overrideValue () { return null; },
   set selectedIndex (index) { },
   get selectedIndex () {
     // selectedIndex getter must be synchronous because we need the
     // correct value when the controller is in controller::HandleEnter.
     // We can't easily just let the parent inform us the new value every
     // time it changes because not every action that can change the
     // selectedIndex is trivial to catch (e.g. moving the mouse over the
     // list).
     return sendSyncMessage("FormAutoComplete:GetSelectedIndex", {});
   },
   get popupOpen () {
     return this._popupOpen;
   },
   openAutocompletePopup: function (input, element) {
     this._input = input;
     this._popupOpen = true;
   },
   closePopup: function () {
     this._popupOpen = false;
     sendAsyncMessage("FormAutoComplete:ClosePopup", {});
   },
   invalidate: function () {
   },
   selectBy: function(reverse, page) {
     this._index = sendSyncMessage("FormAutoComplete:SelectBy", {
       reverse: reverse,
       page: page
     });
   }
 }
 let [initData] = sendSyncMessage("Browser:Init");
 docShell.useGlobalHistory = initData.useGlobalHistory;
 if (initData.initPopup) {
   setTimeout(function() AutoCompletePopup.init(), 0);
 }