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#ifndef INCLUDED_SLIDESHOW_DISPOSABLE_HXX
#define INCLUDED_SLIDESHOW_DISPOSABLE_HXX

#include <sal/types.h>
#include <boost/shared_ptr.hpp>


/* Definition of Disposable interface */

namespace slideshow
{
    namespace internal
    {
        /** Disposable interface

            With ref-counted objects, deleting object networks
            containing cycles requires a dispose() call, to enforce
            every object to call dispose on and release local
            references.
         */
        class Disposable
        {
        public:
            virtual ~Disposable() {}

            /** Dispose all object references.

                An implementor of this method must first call
                dispose() on any of its external references, and
                release them after that.
             */
            virtual void dispose() = 0;
        };

    }
}

#endif /* INCLUDED_SLIDESHOW_DISPOSABLE_HXX */