ckeditor/_source/core/dom/domobject.js

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/*
Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

/**
 * @fileOverview Defines the {@link CKEDITOR.editor} class, which is the base
 *		for other classes representing DOM objects.
 */

/**
 * Represents a DOM object. This class is not intended to be used directly. It
 * serves as the base class for other classes representing specific DOM
 * objects.
 * @constructor
 * @param {Object} nativeDomObject A native DOM object.
 * @augments CKEDITOR.event
 * @example
 */
CKEDITOR.dom.domObject = function( nativeDomObject )
{
	if ( nativeDomObject )
	{
		/**
		 * The native DOM object represented by this class instance.
		 * @type Object
		 * @example
		 * var element = new CKEDITOR.dom.element( 'span' );
		 * alert( element.$.nodeType );  // "1"
		 */
		this.$ = nativeDomObject;
	}
};

CKEDITOR.dom.domObject.prototype = (function()
{
	// Do not define other local variables here. We want to keep the native
	// listener closures as clean as possible.

	var getNativeListener = function( domObject, eventName )
	{
		return function( domEvent )
		{
			// In FF, when reloading the page with the editor focused, it may
			// throw an error because the CKEDITOR global is not anymore
			// available. So, we check it here first. (#2923)
			if ( typeof CKEDITOR != 'undefined' )
				domObject.fire( eventName, new CKEDITOR.dom.event( domEvent ) );
		};
	};

	return /** @lends CKEDITOR.dom.domObject.prototype */ {

		getPrivate : function()
		{
			var priv;

			// Get the main private function from the custom data. Create it if not
			// defined.
			if ( !( priv = this.getCustomData( '_' ) ) )