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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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* Preload a list of images, firing an event when complete. |
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*/ |
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|
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var FCKImagePreloader = function() |
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{ |
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this._Images = new Array() ; |
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} |
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|
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FCKImagePreloader.prototype = |
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{ |
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AddImages : function( images ) |
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{ |
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if ( typeof( images ) == 'string' ) |
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images = images.split( ';' ) ; |
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|
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this._Images = this._Images.concat( images ) ; |
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}, |
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|
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Start : function() |
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{ |
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var aImages = this._Images ; |
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this._PreloadCount = aImages.length ; |
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|
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for ( var i = 0 ; i < aImages.length ; i++ ) |
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{ |
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var eImg = document.createElement( 'img' ) ; |
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FCKTools.AddEventListenerEx( eImg, 'load', _FCKImagePreloader_OnImage, this ) ; |
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FCKTools.AddEventListenerEx( eImg, 'error', _FCKImagePreloader_OnImage, this ) ; |
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eImg.src = aImages[i] ; |
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|
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_FCKImagePreloader_ImageCache.push( eImg ) ; |
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} |
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} |
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}; |
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|
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// All preloaded images must be placed in a global array, otherwise the preload |
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// magic will not happen. |
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var _FCKImagePreloader_ImageCache = new Array() ; |
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|
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function _FCKImagePreloader_OnImage( ev, imagePreloader ) |
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{ |
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if ( (--imagePreloader._PreloadCount) == 0 && imagePreloader.OnComplete ) |
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imagePreloader.OnComplete() ; |
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} |
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|
