chrome/browser/resources/print_preview/print_preview_focus_manager.js

   1 // Copyright 2014 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('print_preview', function() {
   6   'use strict';
   7
   8   /**
   9    * FocusManager implementation specialized for Print Preview, which ensures
  10    * that Print Preview itself does not receive focus when an overlay is shown.
  11    * @constructor
  12    */
  13   function PrintPreviewFocusManager() {
  14   };
  15
  16   cr.addSingletonGetter(PrintPreviewFocusManager);
  17
  18   PrintPreviewFocusManager.prototype = {
  19     __proto__: cr.ui.FocusManager.prototype,
  20
  21     /** @override */
  22     getFocusParent: function() {
  23       return document.querySelector('.overlay:not([hidden])') ||
  24           document.body;
  25     }
  26   };
  27
  28   // Export
  29   return {
  30     PrintPreviewFocusManager: PrintPreviewFocusManager
  31   };
  32 });