/*************************************************************************
 *
 *  $RCSfile: animationeventhandler.hxx,v $
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 *  $Revision: 1.2 $
 *
 *  last change: $Author: rt $ $Date: 2004-11-26 19:12:41 $
 *
 *  The Contents of this file are made available subject to the terms of
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 *         - GNU Lesser General Public License Version 2.1
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 *  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
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 *  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
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#ifndef _SLIDESHOW_ANIMATIONEVENTHANDLER_HXX
#define _SLIDESHOW_ANIMATIONEVENTHANDLER_HXX

#ifndef BOOST_SHARED_PTR_HPP_INCLUDED
#include <boost/shared_ptr.hpp>
#endif

#include <disposable.hxx>
#include <animationnode.hxx>


/* Definition of AnimationEventHandler interface */

namespace presentation
{
    namespace internal
    {

        /** Interface for handling animation events.

            Classes implementing this interface can be added to an
            EventMultiplexer object, and are called from there to
            handle animation state change events.
         */
        class AnimationEventHandler : public Disposable
        {
        public:
            /** Handle the event.

                @param rNode
                Animation node which caused this event to fire

                @return true, if this handler has successfully
                processed the animation event. When this method
                returns false, possibly other, less prioritized
                handlers are called, too.
             */
            virtual bool handleAnimationEvent( const AnimationNodeSharedPtr& rNode ) = 0;
        };

        typedef ::boost::shared_ptr< AnimationEventHandler > AnimationEventHandlerSharedPtr;

    }
}

#endif /* _SLIDESHOW_ANIMATIONEVENTHANDLER_HXX */