/**************************************************************
 * 
 * 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 _DNDEVDIS_HXX_
#define _DNDEVDIS_HXX_

#include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>
#include <com/sun/star/datatransfer/dnd/XDropTargetDragContext.hpp>

#ifndef _COM_SUN_STAR_DATATRANSFER_DND_XDRAGESTURERECOGNIZER_HPP_
#include <com/sun/star/datatransfer/dnd/XDragGestureRecognizer.hpp>
#endif
#include <cppuhelper/implbase3.hxx>
#include <vcl/window.hxx>

class DNDEventDispatcher: public ::cppu::WeakImplHelper3< 
	::com::sun::star::datatransfer::dnd::XDropTargetListener,
	::com::sun::star::datatransfer::dnd::XDropTargetDragContext,
	::com::sun::star::datatransfer::dnd::XDragGestureListener > 
{
	Window * m_pTopWindow;
	Window * m_pCurrentWindow;

	::osl::Mutex m_aMutex;
	::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor > m_aDataFlavorList;

	/*
	 * fire the events on the dnd listener container of the specified window
	 */
	 
	sal_Int32 fireDragEnterEvent( Window *pWindow, const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTargetDragContext >& xContext, 
		const sal_Int8 nDropAction,	const Point& rLocation, const sal_Int8 nSourceAction,
		const ::com::sun::star::uno::Sequence< ::com::sun::star::datatransfer::DataFlavor >& aFlavorList ) throw(::com::sun::star::uno::RuntimeException);

	sal_Int32 fireDragOverEvent( Window *pWindow, const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTargetDragContext >& xContext, 
		const sal_Int8 nDropAction,	const Point& rLocation, const sal_Int8 nSourceAction ) throw(::com::sun::star::uno::RuntimeException);

	sal_Int32 fireDragExitEvent( Window *pWindow ) throw(::com::sun::star::uno::RuntimeException);

	sal_Int32 fireDropActionChangedEvent( Window *pWindow, const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTargetDragContext >& xContext, 
		const sal_Int8 nDropAction,	const Point& rLocation, const sal_Int8 nSourceAction ) throw(::com::sun::star::uno::RuntimeException);

	sal_Int32 fireDropEvent( Window *pWindow, const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTargetDropContext >& xContext, 
		const sal_Int8 nDropAction,	const Point& rLocation, const sal_Int8 nSourceAction,
		const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >& xTransferable ) throw(::com::sun::star::uno::RuntimeException);

	sal_Int32 fireDragGestureEvent( Window *pWindow, const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDragSource >& xSource, 
		const ::com::sun::star::uno::Any event, const Point& rOrigin, const sal_Int8 nDragAction )throw(::com::sun::star::uno::RuntimeException);

public:

	DNDEventDispatcher( Window * pTopWindow );
	virtual ~DNDEventDispatcher();

	/*
	 * XDropTargetDragContext
	 */

	virtual void SAL_CALL acceptDrag( sal_Int8 dropAction ) throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL rejectDrag() throw(::com::sun::star::uno::RuntimeException);

	/*
	 * XDropTargetListener
	 */

	virtual void SAL_CALL drop( const ::com::sun::star::datatransfer::dnd::DropTargetDropEvent& dtde ) throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL dragEnter( const ::com::sun::star::datatransfer::dnd::DropTargetDragEnterEvent& dtdee ) throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL dragExit( const ::com::sun::star::datatransfer::dnd::DropTargetEvent& dte ) throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL dragOver( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde ) throw(::com::sun::star::uno::RuntimeException);
	virtual void SAL_CALL dropActionChanged( const ::com::sun::star::datatransfer::dnd::DropTargetDragEvent& dtde ) throw(::com::sun::star::uno::RuntimeException);

	/*
	 * XDragGestureListener
	 */
     
    virtual void SAL_CALL dragGestureRecognized( const ::com::sun::star::datatransfer::dnd::DragGestureEvent& dge ) throw(::com::sun::star::uno::RuntimeException);


	/*
	 * XEventListener
	 */

	virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& eo ) throw(::com::sun::star::uno::RuntimeException); 
};

//==================================================================================================
// 
//==================================================================================================

#endif