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/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2008 Frederico Caldeira Knabben
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * Compatibility code for Adobe AIR.
 */

if ( FCKBrowserInfo.IsAIR )
{
        var FCKAdobeAIR = (function()
        {
                /*
                 * ### Private functions.
                 */

                var getDocumentHead = function( doc )
                {
                        var head ;
                        var heads = doc.getElementsByTagName( 'head' ) ;

                        if( heads && heads[0] )
                                head = heads[0] ;
                        else
                        {
                                head = doc.createElement( 'head' ) ;
                                doc.documentElement.insertBefore( head, doc.documentElement.firstChild ) ;
                        }

                        return head ;
                } ;

                /*
                 * ### Public interface.
                 */
                return {
                        FCKeditorAPI_Evaluate : function( parentWindow, script )
                        {
                                // TODO : This one doesn't work always. The parent window will
                                // point to an anonymous function in this window. If this
                                // window is destroyied the parent window will be pointing to
                                // an invalid reference.

                                // Evaluate the script in this window.
                                eval( script ) ;

                                // Point the FCKeditorAPI property of the parent window to the
                                // local reference.
                                parentWindow.FCKeditorAPI = window.FCKeditorAPI ;
                        },

                        EditingArea_Start : function( doc, html )
                        {
                                // Get the HTML for the <head>.
                                var headInnerHtml = html.match( /<head>([\s\S]*)<\/head>/i )[1] ;

                                if ( headInnerHtml && headInnerHtml.length > 0 )
                                {
                                        // Inject the <head> HTML inside a <div>.
                                        // Do that before getDocumentHead because WebKit moves
                                        // <link css> elements to the <head> at this point.
                                        var div = doc.createElement( 'div' ) ;
                                        div.innerHTML = headInnerHtml ;

                                        // Move the <div> nodes to <head>.
                                        FCKDomTools.MoveChildren( div, getDocumentHead( doc ) ) ;
                                }

                                doc.body.innerHTML = html.match( /<body>([\s\S]*)<\/body>/i )[1] ;

                                //prevent clicking on hyperlinks and navigating away
                                doc.addEventListener('click', function( ev )
                                        {
                                                ev.preventDefault() ;
                                                ev.stopPropagation() ;
                                        }, true ) ;
                        },

                        Panel_Contructor : function( doc, baseLocation )
                        {
                                var head = getDocumentHead( doc ) ;

                                // Set the <base> href.
                                head.appendChild( doc.createElement('base') ).href = baseLocation ;

                                doc.body.style.margin   = '0px' ;
                                doc.body.style.padding  = '0px' ;
                        },

                        ToolbarSet_GetOutElement : function( win, outMatch )
                        {
                                var toolbarTarget = win.parent ;

                                var targetWindowParts = outMatch[1].split( '.' ) ;
                                while ( targetWindowParts.length > 0 )
                                {
                                        var part = targetWindowParts.shift() ;
                                        if ( part.length > 0 )
                                                toolbarTarget = toolbarTarget[ part ] ;
                                }

                                toolbarTarget = toolbarTarget.document.getElementById( outMatch[2] ) ;
                        },

                        ToolbarSet_InitOutFrame : function( doc )
                        {
                                var head = getDocumentHead( doc ) ;

                                head.appendChild( doc.createElement('base') ).href = window.document.location ;

                                var targetWindow = doc.defaultView;

                                targetWindow.adjust = function()
                                {
                                        targetWindow.frameElement.height = doc.body.scrollHeight;
                                } ;

                                targetWindow.onresize = targetWindow.adjust ;
                                targetWindow.setTimeout( targetWindow.adjust, 0 ) ;

                                doc.body.style.overflow = 'hidden';
                                doc.body.innerHTML = document.getElementById( 'xToolbarSpace' ).innerHTML ;
                        }
                } ;
        })();

        /*
         * ### Overrides
         */
        ( function()
        {
                // Save references for override reuse.
                var _Original_FCKPanel_Window_OnFocus   = FCKPanel_Window_OnFocus ;
                var _Original_FCKPanel_Window_OnBlur    = FCKPanel_Window_OnBlur ;
                var _Original_FCK_StartEditor                   = FCK.StartEditor ;

                FCKPanel_Window_OnFocus = function( e, panel )
                {
                        // Call the original implementation.
                        _Original_FCKPanel_Window_OnFocus.call( this, e, panel ) ;

                        if ( panel._focusTimer )
                                clearTimeout( panel._focusTimer ) ;
                }

                FCKPanel_Window_OnBlur = function( e, panel )
                {
                        // Delay the execution of the original function.
                        panel._focusTimer = FCKTools.SetTimeout( _Original_FCKPanel_Window_OnBlur, 100, this, [ e, panel ] ) ;
                }

                FCK.StartEditor = function()
                {
                        // Force pointing to the CSS files instead of using the inline CSS cached styles.
                        window.FCK_InternalCSS                  = FCKConfig.BasePath + 'css/fck_internal.css' ;
                        window.FCK_ShowTableBordersCSS  = FCKConfig.BasePath + 'css/fck_showtableborders_gecko.css' ;

                        _Original_FCK_StartEditor.apply( this, arguments ) ;
                }
        })();
}