chrome/browser/resources/extensions/chromeos/kiosk_app_disable_bailout_confirm.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 cr.define('extensions', function() {
   6   /**
   7    * A confirmation overlay for disabling kiosk app bailout shortcut.
   8    * @constructor
   9    */
  10   function KioskDisableBailoutConfirm() {
  11   }
  12
  13   cr.addSingletonGetter(KioskDisableBailoutConfirm);
  14
  15   KioskDisableBailoutConfirm.prototype = {
  16     /**
  17      * Initialize the page.
  18      */
  19     initialize: function() {
  20       var overlay = $('kiosk-disable-bailout-confirm-overlay');
  21       cr.ui.overlay.setupOverlay(overlay);
  22       cr.ui.overlay.globalInitialization();
  23       overlay.addEventListener('cancelOverlay', this.handleCancel);
  24
  25       var el = $('kiosk-disable-bailout-shortcut');
  26       el.addEventListener('change', this.handleDisableBailoutShortcutChange_);
  27
  28       $('kiosk-disable-bailout-confirm-button').onclick = function(e) {
  29         extensions.ExtensionSettings.showOverlay($('kiosk-apps-page'));
  30         chrome.send('setDisableBailoutShortcut', [true]);
  31       };
  32       $('kiosk-disable-bailout-cancel-button').onclick = this.handleCancel;
  33     },
  34
  35     /** Handles overlay being canceled. */
  36     handleCancel: function() {
  37       extensions.ExtensionSettings.showOverlay($('kiosk-apps-page'));
  38       $('kiosk-disable-bailout-shortcut').checked = false;
  39     },
  40
  41     /**
  42      * Custom change handler for the disable bailout shortcut checkbox.
  43      * It blocks the underlying pref being changed and brings up confirmation
  44      * alert to user.
  45      * @private
  46      */
  47     handleDisableBailoutShortcutChange_: function() {
  48       // Just set the pref if user un-checks the box.
  49       if (!$('kiosk-disable-bailout-shortcut').checked) {
  50         chrome.send('setDisableBailoutShortcut', [false]);
  51         return false;
  52       }
  53
  54       // Otherwise, show the confirmation overlay.
  55       extensions.ExtensionSettings.showOverlay($(
  56           'kiosk-disable-bailout-confirm-overlay'));
  57       return true;
  58     }
  59   };
  60
  61   // Export
  62   return {
  63     KioskDisableBailoutConfirm: KioskDisableBailoutConfirm
  64   };
  65 });
  66