remoting/webapp/base/js/auth_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  * @constructor
  16  * @implements {remoting.WindowShape.ClientUI}
  17  * @implements {remoting.Identity.ConsentDialog}
  18  * @param {HTMLElement} rootElement The dialog DOM element.
  19  * @private
  20  */
  21 remoting.AuthDialog = function(rootElement) {
  22   /**
  23    * @type {HTMLElement}
  24    * @private
  25    */
  26   this.rootElement_ = rootElement;
  27
  28   /**
  29    * @type {HTMLElement}
  30    * @private
  31    */
  32   this.borderElement_ = rootElement.querySelector('#auth-dialog-border');
  33
  34   /**
  35    * @type {HTMLElement}
  36    * @private
  37    */
  38   this.authButton_ = rootElement.querySelector('#auth-button');
  39
  40   /**
  41    * @type {base.Deferred}
  42    * @private
  43    */
  44   this.onAuthButtonDeferred_ = null;
  45
  46   this.authButton_.addEventListener('click', this.onClick_.bind(this), false);
  47   remoting.windowShape.addCallback(this);
  48 };
  49
  50 /**
  51  * @param {Array<{left: number, top: number, width: number, height: number}>}
  52  *     rects List of rectangles.
  53  */
  54 remoting.AuthDialog.prototype.addToRegion = function(rects) {
  55   var rect =
  56       /** @type {ClientRect} */(this.borderElement_.getBoundingClientRect());
  57   rects.push({left: rect.left,
  58               top: rect.top,
  59               width: rect.width,
  60               height: rect.height});
  61 };
  62
  63 /** @private */
  64 remoting.AuthDialog.prototype.onClick_ = function() {
  65   this.rootElement_.hidden = true;
  66   this.onAuthButtonDeferred_.resolve(null);
  67   this.onAuthButtonDeferred_ = null;
  68   remoting.windowShape.updateClientWindowShape();
  69 };
  70
  71 /**
  72  * @return {Promise} A Promise object that resolves when the user clicks on the
  73  *   auth button.
  74  */
  75 remoting.AuthDialog.prototype.show = function() {
  76   if (this.isVisible()) {
  77     return Promise.reject('Auth dialog is already showing.');
  78   }
  79   this.rootElement_.hidden = false;
  80   base.debug.assert(this.onAuthButtonDeferred_ === null);
  81   remoting.windowShape.updateClientWindowShape();
  82   this.onAuthButtonDeferred_ = new base.Deferred();
  83   return this.onAuthButtonDeferred_.promise();
  84 };
  85
  86 /**
  87  * @return {boolean} whether the auth dialog is visible or not.
  88  */
  89 remoting.AuthDialog.prototype.isVisible = function() {
  90   return !this.rootElement_.hidden;
  91 };
  92
  93 /**
  94  * @return {remoting.AuthDialog}
  95  */
  96 remoting.AuthDialog.getInstance = function() {
  97   if (!instance_) {
  98     var rootElement = document.getElementById('auth-dialog');
  99     instance_ = new remoting.AuthDialog(rootElement);
 100   }
 101   return instance_;
 102 };
 103
 104 })();