1 | /* |
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net |
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3 | * Copyright (C) 2003-2007 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, jusgt 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 ) |
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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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