chrome/browser/resources/extensions/extension_commands_overlay.js

   1 // Copyright (c) 2012 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 <include src="extension_command_list.js">
   6
   7 cr.define('extensions', function() {
   8   'use strict';
   9
  10   // The Extension Commands list object that will be used to show the commands
  11   // on the page.
  12   var ExtensionCommandList = options.ExtensionCommandList;
  13
  14   /**
  15    * ExtensionCommandsOverlay class
  16    * Encapsulated handling of the 'Extension Commands' overlay page.
  17    * @constructor
  18    */
  19   function ExtensionCommandsOverlay() {
  20   }
  21
  22   cr.addSingletonGetter(ExtensionCommandsOverlay);
  23
  24   ExtensionCommandsOverlay.prototype = {
  25     /**
  26      * Initialize the page.
  27      */
  28     initializePage: function() {
  29       var overlay = $('overlay');
  30       cr.ui.overlay.setupOverlay(overlay);
  31       cr.ui.overlay.globalInitialization();
  32       overlay.addEventListener('cancelOverlay', this.handleDismiss_.bind(this));
  33
  34       $('extension-commands-dismiss').addEventListener('click',
  35           this.handleDismiss_.bind(this));
  36
  37       // This will request the data to show on the page and will get a response
  38       // back in returnExtensionsData.
  39       chrome.send('extensionCommandsRequestExtensionsData');
  40     },
  41
  42     /**
  43      * Handles a click on the dismiss button.
  44      * @param {Event} e The click event.
  45      */
  46     handleDismiss_: function(e) {
  47       extensions.ExtensionSettings.showOverlay(null);
  48     },
  49   };
  50
  51   /**
  52    * Called by the dom_ui_ to re-populate the page with data representing
  53    * the current state of extension commands.
  54    * @param {!{commands: Array<{name: string, id: string, commands: ?Array}>}}
  55    *     extensionsData
  56    */
  57   ExtensionCommandsOverlay.returnExtensionsData = function(extensionsData) {
  58     ExtensionCommandList.prototype.data_ = extensionsData;
  59     var extensionCommandList = $('extension-command-list');
  60     ExtensionCommandList.decorate(extensionCommandList);
  61
  62     // Make sure the config link is visible, since there are commands to show
  63     // and potentially configure.
  64     document.querySelector('.extension-commands-config').hidden =
  65         extensionsData.commands.length == 0;
  66
  67     $('no-commands').hidden = extensionsData.commands.length > 0;
  68     var list = $('extension-command-list');
  69     if (extensionsData.commands.length == 0)
  70       list.classList.add('empty-extension-commands-list');
  71     else
  72       list.classList.remove('empty-extension-commands-list');
  73   };
  74
  75   // Export
  76   return {
  77     ExtensionCommandsOverlay: ExtensionCommandsOverlay
  78   };
  79 });