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25 #ifndef WebAnimation_h
26 #define WebAnimation_h
28 #include "WebCommon.h"
29 #include "WebNonCopyable.h"
30 #include "WebPrivateOwnPtr.h"
32 #if BLINK_IMPLEMENTATION
33 #include "wtf/Forward.h"
36 #define WebCompositorAnimation WebAnimation
39 class CCActiveAnimation;
44 class WebAnimationCurve;
46 // A compositor driven animation.
50 TargetPropertyTransform = 0,
51 TargetPropertyOpacity,
53 TargetPropertyScrollOffset
56 virtual ~WebAnimation() { }
58 // An id is effectively the animation's name, and it is not unique.
61 virtual TargetProperty targetProperty() const = 0;
63 // This is the number of times that the animation will play. If this
64 // value is zero the animation will not play. If it is negative, then
65 // the animation will loop indefinitely.
66 virtual int iterations() const = 0;
67 virtual void setIterations(int) = 0;
69 virtual double startTime() const = 0;
70 virtual void setStartTime(double monotonicTime) = 0;
72 virtual double timeOffset() const = 0;
73 virtual void setTimeOffset(double monotonicTime) = 0;
75 // If alternatesDirection is true, on odd numbered iterations we reverse the curve.
76 virtual bool alternatesDirection() const = 0;
77 virtual void setAlternatesDirection(bool) = 0;
82 #endif // WebAnimation_h