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      1 // Copyright 2013 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 /**
      6  * @fileoverview Inline login UI.
      7  */
      8 
      9 <include src="../gaia_auth_host/gaia_auth_host.js"></include>
     10 
     11 cr.define('inline.login', function() {
     12   'use strict';
     13 
     14   /**
     15    * The auth extension host instance.
     16    * @type {Object}
     17    */
     18   var authExtHost;
     19 
     20   /**
     21    * Whether the auth ready event has been fired, for testing purpose.
     22    */
     23   var authReadyFired;
     24 
     25   /**
     26    * Handler of auth host 'ready' event.
     27    */
     28   function onAuthReady() {
     29     $('contents').classList.toggle('loading', false);
     30     authReadyFired = true;
     31   }
     32 
     33   /**
     34    * Handler of auth host 'completed' event.
     35    * @param {!Object} credentials Credentials of the completed authentication.
     36    */
     37   function onAuthCompleted(credentials) {
     38     chrome.send('completeLogin', [credentials]);
     39     $('contents').classList.toggle('loading', true);
     40   }
     41 
     42   /**
     43    * Initialize the UI.
     44    */
     45   function initialize() {
     46     authExtHost = new cr.login.GaiaAuthHost('signin-frame');
     47     authExtHost.addEventListener('ready', onAuthReady);
     48 
     49     chrome.send('initialize');
     50   }
     51 
     52   /**
     53    * Loads auth extension.
     54    * @param {Object} data Parameters for auth extension.
     55    */
     56   function loadAuthExtension(data) {
     57     authExtHost.load(data.authMode, data, onAuthCompleted);
     58     $('contents').classList.toggle('loading',
     59         data.authMode != cr.login.GaiaAuthHost.AuthMode.DESKTOP ||
     60         data.constrained == '1');
     61   }
     62 
     63   /**
     64    * Closes the inline login dialog.
     65    */
     66   function closeDialog() {
     67     chrome.send('dialogClose', ['']);
     68   }
     69 
     70   /**
     71    * Invoked when failed to get oauth2 refresh token.
     72    */
     73   function handleOAuth2TokenFailure() {
     74     // TODO(xiyuan): Show an error UI.
     75     authExtHost.reload();
     76     $('contents').classList.toggle('loading', true);
     77   }
     78 
     79   /**
     80    * Returns the auth host instance, for testing purpose.
     81    */
     82   function getAuthExtHost() {
     83     return authExtHost;
     84   }
     85 
     86   /**
     87    * Returns whether the auth UI is ready, for testing purpose.
     88    */
     89   function isAuthReady() {
     90     return authReadyFired;
     91   }
     92 
     93   return {
     94     getAuthExtHost: getAuthExtHost,
     95     isAuthReady: isAuthReady,
     96     initialize: initialize,
     97     loadAuthExtension: loadAuthExtension,
     98     closeDialog: closeDialog,
     99     handleOAuth2TokenFailure: handleOAuth2TokenFailure
    100   };
    101 });
    102 
    103 document.addEventListener('DOMContentLoaded', inline.login.initialize);
    104