slideshow/source/engine/activities/continuousactivitybase.hxx

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  30
  31 #ifndef INCLUDED_SLIDESHOW_CONTINUOUSACTIVITYBASE_HXX
  32 #define INCLUDED_SLIDESHOW_CONTINUOUSACTIVITYBASE_HXX
  33
  34 #include "simplecontinuousactivitybase.hxx"
  35
  36 namespace slideshow
  37 {
  38     namespace internal
  39     {
  40         /** Simple, continuous animation.
  41
  42             This class implements a simple, continuous
  43             animation. Only addition to ActivityBase class is an
  44             explicit animation duration and a minimal number of
  45             frames to display.
  46         */
  47         class ContinuousActivityBase : public SimpleContinuousActivityBase
  48         {
  49         public:
  50             ContinuousActivityBase( const ActivityParameters& rParms );
  51
  52             using SimpleContinuousActivityBase::perform;
  53
  54             /** Hook for derived classes
  55
  56                 This method will be called from perform(), already
  57                 equipped with the modified time (nMinNumberOfFrames, repeat,
  58                 acceleration and deceleration taken into account).
  59
  60                 @param nModifiedTime
  61                 Already accelerated/decelerated and repeated time, always
  62                 in the [0,1] range.
  63
  64                 @param nRepeatCount
  65                 Number of full repeats already performed
  66             */
  67             virtual void perform( double nModifiedTime, sal_uInt32 nRepeatCount ) const = 0;
  68
  69             /// From SimpleContinuousActivityBase class
  70             virtual void simplePerform( double          nSimpleTime,
  71                                         sal_uInt32      nRepeatCount ) const;
  72         };
  73     }
  74 }
  75
  76 #endif /* INCLUDED_SLIDESHOW_CONTINUOUSACTIVITYBASE_HXX */