Handle authentication failures in the v2 app by restarting the app

remoting/webapp/crd/js/background.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 (function(){
 
-/**
- * A class that handles application activation.
- *
- * @param {remoting.AppLauncher} appLauncher
- * @constructor
- */
-function ActivationHandler(appLauncher) {
-  /**
-   * @type {remoting.AppLauncher}
-   * @private
-   */
-  this.appLauncher_ = appLauncher;
-
-  chrome.contextMenus.create({
-     id: ActivationHandler.NEW_WINDOW_MENU_ID_,
-     contexts: ['launcher'],
-     title: chrome.i18n.getMessage(/*i18n-content*/'NEW_WINDOW')
-  });
-
-  chrome.contextMenus.onClicked.addListener(this.onContextMenu_.bind(this));
-  chrome.app.runtime.onLaunched.addListener(this.onLaunched_.bind(this));
-}
-
-/** @type {string} */
-ActivationHandler.NEW_WINDOW_MENU_ID_ = 'new-window';
-
-/**
- * @param {OnClickData} info
- * @private
- */
-ActivationHandler.prototype.onContextMenu_ = function(info) {
-  if (info.menuItemId == ActivationHandler.NEW_WINDOW_MENU_ID_) {
-    this.appLauncher_.launch();
-  }
-};
-
-/**
- * Called when the App is activated (e.g. from the Chrome App Launcher).  It
- * creates a new window if there are no existing ones.  Otherwise, it will put
- * focus on the last window created.
- *
- * @private
- */
-ActivationHandler.prototype.onLaunched_ = function() {
-  var windows = chrome.app.window.getAll();
-  if (windows.length >= 1) {
-    windows[windows.length - 1].focus();
-  } else {
-    this.appLauncher_.launch();
-  }
-};
+'use strict';
 
 /**
  * The background service is responsible for listening to incoming connection
  * requests from Hangouts and the webapp.
  *
  * @param {remoting.AppLauncher} appLauncher
  */
 function initializeBackgroundService(appLauncher) {
   function initializeIt2MeService() {
     /** @type {remoting.It2MeService} */
     remoting.it2meService = new remoting.It2MeService(appLauncher);
     remoting.it2meService.init();
   }
 
   chrome.runtime.onSuspend.addListener(function() {
     base.debug.assert(remoting.it2meService != null);
     remoting.it2meService.dispose();
     remoting.it2meService = null;
   });
 
   remoting.settings = new remoting.Settings();
 
   chrome.runtime.onSuspendCanceled.addListener(initializeIt2MeService);
   initializeIt2MeService();
 }
 
 function main() {
   if (base.isAppsV2()) {
-    new ActivationHandler(new remoting.V2AppLauncher());
+    new remoting.ActivationHandler(base.Ipc.getInstance(),
+                                   new remoting.V2AppLauncher());
   }
 }
 
 remoting.enableHangoutsRemoteAssistance = function() {
   /** @type {remoting.AppLauncher} */
   var appLauncher = base.isAppsV2() ? new remoting.V1AppLauncher():
                                       new remoting.V2AppLauncher();
   initializeBackgroundService(appLauncher);
 };
 
 window.addEventListener('load', main, false);
 
 }());