/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#ifndef SD_ACCESSIBILITY_ACCESSIBLE_OUTLINE_EDITSOURCE_HXX
#define SD_ACCESSIBILITY_ACCESSIBLE_OUTLINE_EDITSOURCE_HXX

#include <memory>
#include <vcl/svapp.hxx>
#include <svl/brdcst.hxx>
#include <svl/lstner.hxx>
#include <editeng/unoedsrc.hxx>
#include <editeng/editdata.hxx>
#include <editeng/unoforou.hxx>
#include <editeng/unoviwou.hxx>

class OutlinerView;
class SdrOutliner;
class SdrView;
class Window;

namespace accessibility 
{
	/**	Implementation of the SvxEditSource interface in the SdOutlineView
        
		This class connects the SdOutlineView and its EditEngine
		outliner with the AccessibleTextHelper, which provides all
		necessary functionality to make the outliner text accessible

    	@see SvxEditSource
    	@see SvxViewForwarder
    */
    class AccessibleOutlineEditSource :	public SvxEditSource, public SvxViewForwarder, public SfxBroadcaster, public SfxListener
    {
    public:
        /// Create an SvxEditSource interface for the given Outliner
        AccessibleOutlineEditSource( 
            SdrOutliner& rOutliner, 
            SdrView& rView, 
            OutlinerView& rOutlView, 
            const ::Window& rViewWindow );
        virtual ~AccessibleOutlineEditSource();

        /// This method is disabled and always returns NULL
        virtual SvxEditSource* 			Clone() const;
        virtual SvxTextForwarder* 		GetTextForwarder();
        virtual SvxViewForwarder* 		GetViewForwarder();
        virtual SvxEditViewForwarder*  	GetEditViewForwarder( sal_Bool bCreate = sal_False );
        virtual void					UpdateData();
        virtual SfxBroadcaster&			GetBroadcaster() const;

        // the view forwarder 
        virtual sal_Bool		IsValid() const;
        virtual Rectangle	GetVisArea() const;
        virtual Point		LogicToPixel( const Point& rPoint, const MapMode& rMapMode ) const;
        virtual Point		PixelToLogic( const Point& rPoint, const MapMode& rMapMode ) const;

        // SfxListener
        virtual void		Notify( SfxBroadcaster& rBC, const SfxHint& rHint );

    private:

        // declared, but not defined
        AccessibleOutlineEditSource( const AccessibleOutlineEditSource& );
        AccessibleOutlineEditSource& operator=( const AccessibleOutlineEditSource& );

        DECL_LINK( NotifyHdl, EENotify* );

        SdrView&						mrView;
        const ::Window& mrWindow;
        SdrOutliner*					mpOutliner;
        OutlinerView* mpOutlinerView;

        SvxOutlinerForwarder			mTextForwarder;
        SvxDrawOutlinerViewForwarder	mViewForwarder;

    };

} // end of namespace accessibility

#endif