remoting/webapp/crd/js/hangout_consent_dialog.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 instance_ = null;
  13
  14 /**
  15  * Shows a dialog to ask for the user's permission to accept remote assistance
  16  * from a Hangout participant.
  17  *
  18  * @constructor
  19  * @private
  20  */
  21 remoting.HangoutConsentDialog = function() {
  22   /**
  23    * @type {base.Deferred}
  24    * @private
  25    */
  26   this.onConsentResponseDeferred_ = null;
  27
  28   /** @private */
  29   this.requestToken_ = base.generateXsrfToken();
  30
  31   base.Ipc.getInstance().register('remoting.HangoutConsentDialog.confirm',
  32                                   this.onConfirmResponse_.bind(this));
  33 };
  34
  35 /**
  36  * @param {boolean} confirm Whether the user authorized the it2me connection
  37  * @param {string} responseToken
  38  * @private
  39  */
  40 remoting.HangoutConsentDialog.prototype.onConfirmResponse_ = function(
  41     confirm, responseToken) {
  42   if (responseToken !== this.requestToken_) {
  43     return;
  44   }
  45
  46   if (confirm) {
  47     this.onConsentResponseDeferred_.resolve();
  48   } else {
  49     this.onConsentResponseDeferred_.reject(
  50         new Error(remoting.Error.CANCELLED));
  51   }
  52   this.onConsentResponseDeferred_ = null;
  53 };
  54
  55 /**
  56  * @param {boolean} authorized If true, the consent dialog will hide the
  57  *  authorization section.
  58  * @param {Bounds=} opt_parentBounds If present, the consent dialog will be
  59  *  centered within |opt_parentBounds|.
  60  * @return {Promise} A Promise that will resolve when permission is granted or
  61  *   reject if the user cancels.
  62  */
  63 remoting.HangoutConsentDialog.prototype.show = function(authorized,
  64                                                         opt_parentBounds) {
  65   if (!this.onConsentResponseDeferred_) {
  66     var DIALOG_WIDTH = 750;
  67     var DIALOG_HEIGHT = 480;
  68
  69     var createOptions = {
  70       frame: 'none',
  71       resizable: false,
  72       outerBounds: { width: DIALOG_WIDTH, height: DIALOG_HEIGHT }
  73     };
  74
  75     var params = {
  76       token: this.requestToken_,
  77       authorized: Boolean(authorized)
  78     };
  79
  80     var url = base.urlJoin('dialog_hangout_consent.html', params);
  81
  82     if (opt_parentBounds) {
  83       // Center the dialog on the parent bounds.
  84       var rect = opt_parentBounds;
  85       createOptions.outerBounds.top =
  86           Math.round(rect.top + rect.height / 2 - DIALOG_HEIGHT / 2);
  87       createOptions.outerBounds.left =
  88           Math.round(rect.left + rect.width / 2 - DIALOG_WIDTH / 2);
  89     }
  90
  91     this.onConsentResponseDeferred_ = new base.Deferred();
  92     chrome.app.window.create(url, createOptions);
  93   }
  94   return this.onConsentResponseDeferred_.promise();
  95 };
  96
  97 /** @return {remoting.HangoutConsentDialog} */
  98 remoting.HangoutConsentDialog.getInstance = function() {
  99   if (!instance_) {
 100     instance_ = new remoting.HangoutConsentDialog();
 101   }
 102   return instance_;
 103 };
 104
 105 }());