remoting/webapp/crd/js/background.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /** @suppress {duplicate} */
   6 var remoting = remoting || {};
   7
   8 (function(){
   9
  10 'use strict';
  11
  12 var ENABLE_HANGOUT_REMOTE_ASSISTANCE = true;
  13
  14 /**
  15  * @constructor
  16  */
  17 var BackgroundPage = function() {
  18   /** @private {remoting.AppLauncher} */
  19   this.appLauncher_ = null;
  20   /** @private {remoting.ActivationHandler} */
  21   this.activationHandler_ = null;
  22   /** @private {remoting.It2MeService} */
  23   this.it2meService_ = null;
  24   /** @private {base.Disposables} */
  25   this.disposables_ = null;
  26
  27   this.preInit_();
  28   this.onResumed_();
  29
  30   chrome.runtime.onSuspendCanceled.addListener(this.onResumed_.bind(this));
  31   chrome.runtime.onSuspend.addListener(this.onSuspended_.bind(this));
  32 };
  33
  34 /**
  35  * Initialize members and globals that are valid throughout the entire lifetime
  36  * of the background page.
  37  *
  38  * @private
  39  */
  40 BackgroundPage.prototype.preInit_ = function() {
  41   remoting.settings = new remoting.Settings();
  42   if (base.isAppsV2()) {
  43     remoting.identity = new remoting.Identity();
  44   } else {
  45     remoting.oauth2 = new remoting.OAuth2();
  46     var oauth2 = /** @type {*} */ (remoting.oauth2);
  47     remoting.identity = /** @type {remoting.Identity} */ (oauth2);
  48   }
  49
  50   if (base.isAppsV2()) {
  51     this.appLauncher_ = new remoting.V2AppLauncher();
  52     this.activationHandler_ = new remoting.ActivationHandler(
  53         base.Ipc.getInstance(), this.appLauncher_);
  54   } else {
  55     this.appLauncher_ = new remoting.V1AppLauncher();
  56   }
  57 };
  58
  59 /** @private */
  60 BackgroundPage.prototype.onResumed_ = function() {
  61   if (ENABLE_HANGOUT_REMOTE_ASSISTANCE) {
  62     this.it2meService_ = new remoting.It2MeService(this.appLauncher_);
  63     this.it2meService_.init();
  64     this.disposables_ = new base.Disposables(this.it2meService_);
  65   }
  66 };
  67
  68 /** @private */
  69 BackgroundPage.prototype.onSuspended_ = function() {
  70   this.it2meService_ = null;
  71   base.dispose(this.disposables_);
  72   this.disposables_ = null;
  73 };
  74
  75 window.addEventListener('load', function() {
  76   remoting.backgroundPage = new BackgroundPage();
  77 }, false);
  78
  79 }());