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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var FocusManager = cr.ui.FocusManager;
/**
* A history-specific FocusManager implementation, which ensures that elements
* "background" pages (i.e., those in a dialog that is not the topmost overlay)
* do not receive focus.
* @constructor
* @extends {cr.ui.FocusManager}
*/
function HistoryFocusManager() {
}
cr.addSingletonGetter(HistoryFocusManager);
HistoryFocusManager.prototype = {
__proto__: FocusManager.prototype,
/** @override */
getFocusParent: function() {
return document.querySelector('#overlay .showing') ||
document.querySelector('cr-menu:not([hidden])') ||
$('history-page');
},
};
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