The Tor Browser: testing/specialpowers/components/SpecialPowersObserver.js@6474c204b198 (annotated)

testing/specialpowers/components/SpecialPowersObserver.js@6474c204b198 (annotated)

testing/specialpowers/components/SpecialPowersObserver.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/. */
 // Based on:
 // https://bugzilla.mozilla.org/show_bug.cgi?id=549539
 // https://bug549539.bugzilla.mozilla.org/attachment.cgi?id=429661
 // https://developer.mozilla.org/en/XPCOM/XPCOM_changes_in_Gecko_1.9.3
 // http://mxr.mozilla.org/mozilla-central/source/toolkit/components/console/hudservice/HUDService.jsm#3240
 // https://developer.mozilla.org/en/how_to_build_an_xpcom_component_in_javascript
 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
 Components.utils.import("resource://gre/modules/Services.jsm");
 const Cc = Components.classes;
 const Ci = Components.interfaces;
 const CHILD_SCRIPT = "chrome://specialpowers/content/specialpowers.js"
 const CHILD_SCRIPT_API = "chrome://specialpowers/content/specialpowersAPI.js"
 const CHILD_LOGGER_SCRIPT = "chrome://specialpowers/content/MozillaLogger.js"
 // Glue to add in the observer API to this object.  This allows us to share code with chrome tests
 var loader = Components.classes["@mozilla.org/moz/jssubscript-loader;1"]
                        .getService(Components.interfaces.mozIJSSubScriptLoader);
 loader.loadSubScript("chrome://specialpowers/content/SpecialPowersObserverAPI.js");
 /* XPCOM gunk */
 this.SpecialPowersObserver = function SpecialPowersObserver() {
   this._isFrameScriptLoaded = false;
   this._mmIsGlobal = true;
   this._messageManager = Cc["@mozilla.org/globalmessagemanager;1"].
                          getService(Ci.nsIMessageBroadcaster);
 }
 SpecialPowersObserver.prototype = new SpecialPowersObserverAPI();
   SpecialPowersObserver.prototype.classDescription = "Special powers Observer for use in testing.";
   SpecialPowersObserver.prototype.classID = Components.ID("{59a52458-13e0-4d93-9d85-a637344f29a1}");
   SpecialPowersObserver.prototype.contractID = "@mozilla.org/special-powers-observer;1";
   SpecialPowersObserver.prototype.QueryInterface = XPCOMUtils.generateQI([Components.interfaces.nsIObserver]);
   SpecialPowersObserver.prototype._xpcom_categories = [{category: "profile-after-change", service: true }];
   SpecialPowersObserver.prototype.observe = function(aSubject, aTopic, aData)
   {
     switch (aTopic) {
       case "profile-after-change":
         this.init();
         break;
       case "chrome-document-global-created":
         if (!this._isFrameScriptLoaded) {
           // Register for any messages our API needs us to handle
           this._messageManager.addMessageListener("SPPrefService", this);
           this._messageManager.addMessageListener("SPProcessCrashService", this);
           this._messageManager.addMessageListener("SPPingService", this);
           this._messageManager.addMessageListener("SpecialPowers.Quit", this);
           this._messageManager.addMessageListener("SpecialPowers.Focus", this);
           this._messageManager.addMessageListener("SPPermissionManager", this);
           this._messageManager.addMessageListener("SPWebAppService", this);
           this._messageManager.addMessageListener("SPObserverService", this);
           this._messageManager.addMessageListener("SPLoadChromeScript", this);
           this._messageManager.addMessageListener("SPChromeScriptMessage", this);
           this._messageManager.loadFrameScript(CHILD_LOGGER_SCRIPT, true);
           this._messageManager.loadFrameScript(CHILD_SCRIPT_API, true);
           this._messageManager.loadFrameScript(CHILD_SCRIPT, true);
           this._isFrameScriptLoaded = true;
         }
         break;
       case "http-on-modify-request":
         if (aSubject instanceof Ci.nsIChannel) {
           let uri = aSubject.URI.spec;
           this._sendAsyncMessage("specialpowers-http-notify-request", { uri: uri });
         }
         break;
       case "xpcom-shutdown":
         this.uninit();
         break;
       default:
         this._observe(aSubject, aTopic, aData);
         break;
     }
   };
   SpecialPowersObserver.prototype._sendAsyncMessage = function(msgname, msg)
   {
     if (this._mmIsGlobal) {
       this._messageManager.broadcastAsyncMessage(msgname, msg);
     }
     else {
       this._messageManager.sendAsyncMessage(msgname, msg);
     }
   };
   SpecialPowersObserver.prototype._receiveMessage = function(aMessage) {
     return this._receiveMessageAPI(aMessage);
   };
   SpecialPowersObserver.prototype.init = function(messageManager)
   {
     var obs = Services.obs;
     obs.addObserver(this, "xpcom-shutdown", false);
     obs.addObserver(this, "chrome-document-global-created", false);
     obs.addObserver(this, "http-on-modify-request", false);
     if (messageManager) {
       this._messageManager = messageManager;
       this._mmIsGlobal = false;
     }
   };
   SpecialPowersObserver.prototype.uninit = function()
   {
     var obs = Services.obs;
     obs.removeObserver(this, "chrome-document-global-created");
     obs.removeObserver(this, "http-on-modify-request");
     this._removeProcessCrashObservers();
   };
   SpecialPowersObserver.prototype._addProcessCrashObservers = function() {
     if (this._processCrashObserversRegistered) {
       return;
     }
     var obs = Components.classes["@mozilla.org/observer-service;1"]
                         .getService(Components.interfaces.nsIObserverService);
     obs.addObserver(this, "plugin-crashed", false);
     obs.addObserver(this, "ipc:content-shutdown", false);
     this._processCrashObserversRegistered = true;
   };
   SpecialPowersObserver.prototype._removeProcessCrashObservers = function() {
     if (!this._processCrashObserversRegistered) {
       return;
     }
     var obs = Components.classes["@mozilla.org/observer-service;1"]
                         .getService(Components.interfaces.nsIObserverService);
     obs.removeObserver(this, "plugin-crashed");
     obs.removeObserver(this, "ipc:content-shutdown");
     this._processCrashObserversRegistered = false;
   };
   /**
    * messageManager callback function
    * This will get requests from our API in the window and process them in chrome for it
    **/
   SpecialPowersObserver.prototype.receiveMessage = function(aMessage) {
     switch(aMessage.name) {
       case "SPPingService":
         if (aMessage.json.op == "ping") {
           aMessage.target
                   .QueryInterface(Ci.nsIFrameLoaderOwner)
                   .frameLoader
                   .messageManager
                   .sendAsyncMessage("SPPingService", { op: "pong" });
         }
         break;
       case "SpecialPowers.Quit":
         let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"].getService(Ci.nsIAppStartup);
         appStartup.quit(Ci.nsIAppStartup.eForceQuit);
         break;
       case "SpecialPowers.Focus":
         aMessage.target.focus();
         break;
       default:
         return this._receiveMessage(aMessage);
     }
   };
 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([SpecialPowersObserver]);