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      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"></include>
      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       $('extensionCommandsDismiss').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       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    */
     55   ExtensionCommandsOverlay.returnExtensionsData = function(extensionsData) {
     56     ExtensionCommandList.prototype.data_ = extensionsData;
     57     var extensionCommandList = $('extension-command-list');
     58     ExtensionCommandList.decorate(extensionCommandList);
     59 
     60     // Make sure the config link is visible, since there are commands to show
     61     // and potentially configure.
     62     document.querySelector('.extension-commands-config').hidden =
     63         extensionsData.commands.length == 0;
     64 
     65     $('no-commands').hidden = extensionsData.commands.length > 0;
     66     var list = $('extension-command-list');
     67     if (extensionsData.commands.length == 0)
     68       list.classList.add('empty-extension-commands-list');
     69     else
     70       list.classList.remove('empty-extension-commands-list');
     71   }
     72 
     73   // Export
     74   return {
     75     ExtensionCommandsOverlay: ExtensionCommandsOverlay
     76   };
     77 });
     78 
     79 // Update the C++ call so this isn't necessary.
     80 var ExtensionCommandsOverlay = extensions.ExtensionCommandsOverlay;
     81