office-gobmx/slideshow/source/inc/viewrepainthandler.hxx

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#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 */