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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 cr.define('options', function() {
      6 
      7   /**
      8    * Encapsulated handling of the keyboard overlay.
      9    * @constructor
     10    */
     11   function KeyboardOverlay() {
     12     options.SettingsDialog.call(this, 'keyboard-overlay',
     13         loadTimeData.getString('keyboardOverlayTitle'),
     14         'keyboard-overlay',
     15         $('keyboard-confirm'), $('keyboard-cancel'));
     16   }
     17 
     18   cr.addSingletonGetter(KeyboardOverlay);
     19 
     20   KeyboardOverlay.prototype = {
     21     __proto__: options.SettingsDialog.prototype,
     22 
     23     /**
     24      * Initializes the page. This method is called in initialize.
     25      */
     26     initializePage: function() {
     27       options.SettingsDialog.prototype.initializePage.call(this);
     28 
     29       $('languages-and-input-settings').onclick = function(e) {
     30         OptionsPage.navigateToPage('languages');
     31         chrome.send('coreOptionsUserMetricsAction',
     32                     ['Options_KeyboardShowLanguageSettings']);
     33       };
     34 
     35       $('keyboard-shortcuts').onclick = function(e) {
     36         chrome.send('showKeyboardShortcuts');
     37         chrome.send('coreOptionsUserMetricsAction',
     38                     ['Options_KeyboardShowKeyboardShortcuts']);
     39       };
     40     },
     41 
     42     /**
     43      * Show/hide the caps lock remapping section.
     44      * @private
     45      */
     46     showCapsLockOptions_: function(show) {
     47       $('caps-lock-remapping-section').hidden = !show;
     48     },
     49 
     50     /**
     51      * Show/hide the diamond key remapping section.
     52      * @private
     53      */
     54     showDiamondKeyOptions_: function(show) {
     55       $('diamond-key-remapping-section').hidden = !show;
     56     },
     57   };
     58 
     59   // Forward public APIs to private implementations.
     60   [
     61     'showCapsLockOptions',
     62     'showDiamondKeyOptions',
     63   ].forEach(function(name) {
     64     KeyboardOverlay[name] = function() {
     65       var instance = KeyboardOverlay.getInstance();
     66       return instance[name + '_'].apply(instance, arguments);
     67     };
     68   });
     69 
     70   // Export
     71   return {
     72     KeyboardOverlay: KeyboardOverlay
     73   };
     74 });
     75