libreoffice/vcl/source/window/dndevdis.hxx

/*************************************************************************
 *
 *  $RCSfile: dndevdis.hxx,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: obr $ $Date: 2001-02-13 13:12:53 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifndef _DNDEVDIS_HXX_
#define _DNDEVDIS_HXX_

#ifndef _COM_SUN_STAR_DATATRANSFER_DND_XDROPTARGETLISTENER_HPP_
#include <com/sun/star/datatransfer/dnd/XDropTargetListener.hpp>
#endif

#ifndef _COM_SUN_STAR_DATATRANSFER_DND_XDROPTARGETDRAGCONTEXT_HPP_
#include <com/sun/star/datatransfer/dnd/XDropTargetDragContext.hpp>
#endif

#ifndef _CPPUHELPER_IMPLBASE2_HXX_
#include <cppuhelper/implbase2.hxx>
#endif

#ifndef _SV_WINDOW_HXX
#include <window.hxx>
#endif

class DNDEventDispatcher: public ::cppu::WeakImplHelper2<
    ::com::sun::star::datatransfer::dnd::XDropTargetListener,
    ::com::sun::star::datatransfer::dnd::XDropTargetDragContext >
{
    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);

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);

    /*
     * XEventListener
     */

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

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

#endif