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27 
28 #ifndef INCLUDED_SLIDESHOW_INTRINSICANIMATIONEVENTHANDLER_HXX
29 #define INCLUDED_SLIDESHOW_INTRINSICANIMATIONEVENTHANDLER_HXX
30 
31 #include <boost/shared_ptr.hpp>
32 
33 /* Definition of IntrinsicAnimationEventHandler interface */
34 
35 namespace slideshow
36 {
37     namespace internal
38     {
39 
40         /** Interface for handling intrinsic animation display modes.
41 
42         	Classes implementing this interface can be added to an
43         	EventMultiplexer object, and are called from there to
44         	handle intrinsic animation events.
45          */
46         class IntrinsicAnimationEventHandler
47         {
48         public:
49             virtual ~IntrinsicAnimationEventHandler() {}
50 
51             virtual bool enableAnimations() = 0;
52             virtual bool disableAnimations() = 0;
53         };
54 
55         typedef ::boost::shared_ptr< IntrinsicAnimationEventHandler > IntrinsicAnimationEventHandlerSharedPtr;
56 
57     }
58 }
59 
60 #endif /* INCLUDED_SLIDESHOW_INTRINSICANIMATIONEVENTHANDLER_HXX */
61