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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef INCLUDED_SLIDESHOW_VIEWREPAINTHANDLER_HXX
#define INCLUDED_SLIDESHOW_VIEWREPAINTHANDLER_HXX

#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>

#include "unoview.hxx"


/* Definition of ViewRepaintHandler interface */

namespace slideshow
{
    namespace internal
    {

        /** Interface for handling view repaint events.

            Classes implementing this interface can be added to an
            EventMultiplexer object, and are called from there to
            handle view repaint events.
         */
        class ViewRepaintHandler
        {
        public:
            virtual ~ViewRepaintHandler() {}

            /** Notify clobbered view.

                Reasons for a viewChanged notification can be
                different view size, transformation, or other device
                properties (color resolution or profile, etc.)

                @param rView
                The changed view
             */
            virtual void viewClobbered( const UnoViewSharedPtr& rView ) = 0;
        };

        typedef ::boost::shared_ptr< ViewRepaintHandler > ViewRepaintHandlerSharedPtr;
        typedef ::boost::weak_ptr< ViewRepaintHandler >   ViewRepaintHandlerWeakPtr;

    }
}

#endif /* INCLUDED_SLIDESHOW_VIEWREPAINTHANDLER_HXX */