69 lines
2.0 KiB
JavaScript
69 lines
2.0 KiB
JavaScript
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/*
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* FCKeditor - The text editor for Internet - http://www.fckeditor.net
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* Copyright (C) 2003-2009 Frederico Caldeira Knabben
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*
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* == BEGIN LICENSE ==
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*
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* Licensed under the terms of any of the following licenses at your
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* choice:
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*
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* - GNU General Public License Version 2 or later (the "GPL")
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* http://www.gnu.org/licenses/gpl.html
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*
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* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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* http://www.gnu.org/licenses/lgpl.html
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*
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* - Mozilla Public License Version 1.1 or later (the "MPL")
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* http://www.mozilla.org/MPL/MPL-1.1.html
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*
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* == END LICENSE ==
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*
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* FCKIECleanup Class: a generic class used as a tool to remove IE leaks.
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*/
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var FCKIECleanup = function( attachWindow )
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{
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// If the attachWindow already have a cleanup object, just use that one.
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if ( attachWindow._FCKCleanupObj )
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this.Items = attachWindow._FCKCleanupObj.Items ;
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else
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{
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this.Items = new Array() ;
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attachWindow._FCKCleanupObj = this ;
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FCKTools.AddEventListenerEx( attachWindow, 'unload', FCKIECleanup_Cleanup ) ;
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// attachWindow.attachEvent( 'onunload', FCKIECleanup_Cleanup ) ;
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}
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}
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FCKIECleanup.prototype.AddItem = function( dirtyItem, cleanupFunction )
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{
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this.Items.push( [ dirtyItem, cleanupFunction ] ) ;
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}
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function FCKIECleanup_Cleanup()
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{
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if ( !this._FCKCleanupObj || ( FCKConfig.MsWebBrowserControlCompat && !window.FCKUnloadFlag ) )
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return ;
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var aItems = this._FCKCleanupObj.Items ;
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while ( aItems.length > 0 )
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{
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// It is important to remove from the end to the beginning (pop()),
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// because of the order things get created in the editor. In the code,
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// elements in deeper position in the DOM are placed at the end of the
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// cleanup function, so we must cleanup then first, otherwise IE could
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// throw some crazy memory errors (IE bug).
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var oItem = aItems.pop() ;
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if ( oItem )
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oItem[1].call( oItem[0] ) ;
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}
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this._FCKCleanupObj = null ;
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if ( CollectGarbage )
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CollectGarbage() ;
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}
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