chrome/browser/resources/app_list/start_page.js

   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 App launcher start page implementation.
   7  */
   8
   9 <include src="recommended_apps.js"/>
  10 <include src="speech_manager.js"/>
  11
  12 cr.define('appList.startPage', function() {
  13   'use strict';
  14
  15   var speechManager = null;
  16
  17   /**
  18    * Creates a StartPage object.
  19    * @constructor
  20    * @extends {HTMLDivElement}
  21    */
  22   var StartPage = cr.ui.define('div');
  23
  24   StartPage.prototype = {
  25     __proto__: HTMLDivElement.prototype,
  26
  27     /**
  28      * Instance of the recommended apps card.
  29      * @type {appsList.startPage.RecommendedApps}
  30      * @private
  31      */
  32     recommendedApps_: null,
  33
  34     /** @override */
  35     decorate: function() {
  36       this.recommendedApps_ = new appList.startPage.RecommendedApps();
  37       this.appendChild(this.recommendedApps_);
  38     },
  39
  40     /**
  41      * Sets the recommended apps.
  42      * @param {!Array.<!{appId: string,
  43      *                   iconUrl: string,
  44      *                   textTitle: string}>} apps An array of app info
  45      *     dictionary to be displayed in the AppItemView.
  46      */
  47     setRecommendedApps: function(apps) {
  48       this.recommendedApps_.setApps(apps);
  49     }
  50   };
  51
  52   /**
  53    * Initialize the page.
  54    */
  55   function initialize() {
  56     StartPage.decorate($('start-page'));
  57     speechManager = new speech.SpeechManager();
  58     chrome.send('initialize');
  59   }
  60
  61   /**
  62    * Sets the recommended apps.
  63    * @param {Array.<Object>} apps An array of app info dictionary.
  64    */
  65   function setRecommendedApps(apps) {
  66     $('start-page').setRecommendedApps(apps);
  67   }
  68
  69   /**
  70    * Invoked when the hotword plugin availability is changed.
  71    *
  72    * @param {boolean} enabled Whether the plugin is enabled or not.
  73    */
  74   function setHotwordEnabled(enabled) {
  75     speechManager.setHotwordEnabled(enabled);
  76   }
  77
  78   /**
  79    * Sets the architecture of NaCl module to be loaded for hotword.
  80    * @param {string} arch The architecture.
  81    */
  82   function setNaclArch(arch) {
  83     speechManager.setNaclArch(arch);
  84   }
  85
  86   /**
  87    * Invoked when the app-list bubble is shown.
  88    *
  89    * @param {boolean} hotwordEnabled Whether the hotword is enabled or not.
  90    */
  91   function onAppListShown(hotwordEnabled) {
  92     speechManager.onShown(hotwordEnabled);
  93   }
  94
  95   /**
  96    * Invoked when the app-list bubble is hidden.
  97    */
  98   function onAppListHidden() {
  99     speechManager.onHidden();
 100   }
 101
 102   /**
 103    * Invoked when the user explicitly wants to toggle the speech recognition
 104    * state.
 105    */
 106   function toggleSpeechRecognition() {
 107     speechManager.toggleSpeechRecognition();
 108   }
 109
 110   return {
 111     initialize: initialize,
 112     setRecommendedApps: setRecommendedApps,
 113     setHotwordEnabled: setHotwordEnabled,
 114     setNaclArch: setNaclArch,
 115     onAppListShown: onAppListShown,
 116     onAppListHidden: onAppListHidden,
 117     toggleSpeechRecognition: toggleSpeechRecognition
 118   };
 119 });
 120
 121 document.addEventListener('contextmenu', function(e) { e.preventDefault(); });
 122 document.addEventListener('DOMContentLoaded', appList.startPage.initialize);