/**
* FocusManager.js
*
* Released under LGPL License.
* Copyright (c) 1999-2017 Ephox Corp. All rights reserved
*
* License: http://www.tinymce.com/license
* Contributing: http://www.tinymce.com/contributing
*/
/**
* This class manages the focus/blur state of the editor. This class is needed since some
* browsers fire false focus/blur states when the selection is moved to a UI dialog or similar.
*
* This class will fire two events focus and blur on the editor instances that got affected.
* It will also handle the restore of selection when the focus is lost and returned.
*
* @class tinymce.FocusManager
*/
define(
'tinymce.core.api.FocusManager',
[
'global!document'
],
function (document) {
/**
* Returns true if the specified element is part of the UI for example an button or text input.
*
* @static
* @method isEditorUIElement
* @param {Element} elm Element to check if it's part of the UI or not.
* @return {Boolean} True/false state if the element is part of the UI or not.
*/
var isEditorUIElement = function (elm) {
// Needs to be converted to string since svg can have focus: #6776
return elm.className.toString().indexOf('mce-') !== -1;
};
return {
isEditorUIElement: isEditorUIElement
};
}
);
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