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21 
22 
23 
24 #ifndef INCLUDED_SLIDESHOW_CONTINUOUSACTIVITYBASE_HXX
25 #define INCLUDED_SLIDESHOW_CONTINUOUSACTIVITYBASE_HXX
26 
27 #include "simplecontinuousactivitybase.hxx"
28 
29 namespace slideshow
30 {
31     namespace internal
32     {
33         /** Simple, continuous animation.
34 
35         	This class implements a simple, continuous
36             animation. Only addition to ActivityBase class is an
37             explicit animation duration and a minimal number of
38             frames to display.
39         */
40         class ContinuousActivityBase : public SimpleContinuousActivityBase
41         {
42         public:
43             ContinuousActivityBase( const ActivityParameters& rParms );
44 
45             using SimpleContinuousActivityBase::perform;
46 
47             /** Hook for derived classes
48 
49 	            This method will be called from perform(), already
50                 equipped with the modified time (nMinNumberOfFrames, repeat,
51                 acceleration and deceleration taken into account).
52 
53                 @param nModifiedTime
54                 Already accelerated/decelerated and repeated time, always
55                 in the [0,1] range.
56 
57                 @param nRepeatCount
58                 Number of full repeats already performed
59             */
60             virtual void perform( double nModifiedTime, sal_uInt32 nRepeatCount ) const = 0;
61 
62             /// From SimpleContinuousActivityBase class
63             virtual void simplePerform( double 		nSimpleTime,
64                                         sal_uInt32	nRepeatCount ) const;
65         };
66     }
67 }
68 
69 #endif /* INCLUDED_SLIDESHOW_CONTINUOUSACTIVITYBASE_HXX */
70