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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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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 */