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27 
28 #ifndef INCLUDED_SLIDESHOW_CONTINUOUSACTIVITYBASE_HXX
29 #define INCLUDED_SLIDESHOW_CONTINUOUSACTIVITYBASE_HXX
30 
31 #include "simplecontinuousactivitybase.hxx"
32 
33 namespace slideshow
34 {
35     namespace internal
36     {
37         /** Simple, continuous animation.
38 
39         	This class implements a simple, continuous
40             animation. Only addition to ActivityBase class is an
41             explicit animation duration and a minimal number of
42             frames to display.
43         */
44         class ContinuousActivityBase : public SimpleContinuousActivityBase
45         {
46         public:
47             ContinuousActivityBase( const ActivityParameters& rParms );
48 
49             using SimpleContinuousActivityBase::perform;
50 
51             /** Hook for derived classes
52 
53 	            This method will be called from perform(), already
54                 equipped with the modified time (nMinNumberOfFrames, repeat,
55                 acceleration and deceleration taken into account).
56 
57                 @param nModifiedTime
58                 Already accelerated/decelerated and repeated time, always
59                 in the [0,1] range.
60 
61                 @param nRepeatCount
62                 Number of full repeats already performed
63             */
64             virtual void perform( double nModifiedTime, sal_uInt32 nRepeatCount ) const = 0;
65 
66             /// From SimpleContinuousActivityBase class
67             virtual void simplePerform( double 		nSimpleTime,
68                                         sal_uInt32	nRepeatCount ) const;
69         };
70     }
71 }
72 
73 #endif /* INCLUDED_SLIDESHOW_CONTINUOUSACTIVITYBASE_HXX */
74