[1575] | 1 | /*
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| 2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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| 3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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| 4 | *
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| 5 | * == BEGIN LICENSE ==
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| 6 | *
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| 7 | * Licensed under the terms of any of the following licenses at your
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| 8 | * choice:
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| 9 | *
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| 10 | * - GNU General Public License Version 2 or later (the "GPL")
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| 11 | * http://www.gnu.org/licenses/gpl.html
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| 12 | *
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| 13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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| 14 | * http://www.gnu.org/licenses/lgpl.html
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| 15 | *
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| 16 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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| 17 | * http://www.mozilla.org/MPL/MPL-1.1.html
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| 18 | *
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| 19 | * == END LICENSE ==
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| 20 | *
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| 21 | * FCKIECleanup Class: a generic class used as a tool to remove IE leaks.
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| 22 | */
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| 23 |
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| 24 | var FCKIECleanup = function( attachWindow )
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| 25 | {
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| 26 | // If the attachWindow already have a cleanup object, just use that one.
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| 27 | if ( attachWindow._FCKCleanupObj )
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| 28 | this.Items = attachWindow._FCKCleanupObj.Items ;
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| 29 | else
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| 30 | {
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| 31 | this.Items = new Array() ;
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| 32 |
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| 33 | attachWindow._FCKCleanupObj = this ;
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| 34 | FCKTools.AddEventListenerEx( attachWindow, 'unload', FCKIECleanup_Cleanup ) ;
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| 35 | // attachWindow.attachEvent( 'onunload', FCKIECleanup_Cleanup ) ;
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| 36 | }
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| 37 | }
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| 38 |
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| 39 | FCKIECleanup.prototype.AddItem = function( dirtyItem, cleanupFunction )
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| 40 | {
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| 41 | this.Items.push( [ dirtyItem, cleanupFunction ] ) ;
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| 42 | }
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| 43 |
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| 44 | function FCKIECleanup_Cleanup()
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| 45 | {
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| 46 | if ( !this._FCKCleanupObj || ( FCKConfig.MsWebBrowserControlCompat && !window.FCKUnloadFlag ) )
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| 47 | return ;
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| 48 |
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| 49 | var aItems = this._FCKCleanupObj.Items ;
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| 50 |
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| 51 | while ( aItems.length > 0 )
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| 52 | {
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| 53 |
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| 54 | // It is important to remove from the end to the beginning (pop()),
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| 55 | // because of the order things get created in the editor. In the code,
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| 56 | // elements in deeper position in the DOM are placed at the end of the
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| 57 | // cleanup function, so we must cleanup then first, otherwise IE could
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| 58 | // throw some crazy memory errors (IE bug).
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| 59 | var oItem = aItems.pop() ;
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| 60 | if ( oItem )
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| 61 | oItem[1].call( oItem[0] ) ;
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| 62 | }
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| 63 |
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| 64 | this._FCKCleanupObj = null ;
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| 65 |
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| 66 | if ( CollectGarbage )
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| 67 | CollectGarbage() ;
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| 68 | }
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