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27 #ifndef AnimationValue_h
28 #define AnimationValue_h
30 #include "platform/animation/TimingFunction.h"
31 #include "platform/graphics/filters/FilterOperations.h"
32 #include "platform/transforms/TransformOperations.h"
34 #include "wtf/PassRefPtr.h"
35 #include "wtf/RefPtr.h"
39 // Base class for animation values (also used for transitions). Here to
40 // represent values for properties being animated via the GraphicsLayer,
41 // without pulling in style-related data from outside of the platform directory.
42 class AnimationValue {
43 WTF_MAKE_FAST_ALLOCATED;
45 explicit AnimationValue(double keyTime, PassRefPtr<TimingFunction> timingFunction = 0)
47 , m_timingFunction(timingFunction)
51 virtual ~AnimationValue() { }
53 double keyTime() const { return m_keyTime; }
54 const TimingFunction* timingFunction() const { return m_timingFunction.get(); }
55 virtual PassOwnPtr<AnimationValue> clone() const = 0;
59 RefPtr<TimingFunction> m_timingFunction;
62 // Used to store one float value of an animation.
63 class FloatAnimationValue FINAL : public AnimationValue {
65 FloatAnimationValue(double keyTime, float value, PassRefPtr<TimingFunction> timingFunction = 0)
66 : AnimationValue(keyTime, timingFunction)
70 virtual PassOwnPtr<AnimationValue> clone() const OVERRIDE { return adoptPtr(new FloatAnimationValue(*this)); }
72 float value() const { return m_value; }
78 // Used to store one transform value in a keyframe list.
79 class TransformAnimationValue FINAL : public AnimationValue {
81 explicit TransformAnimationValue(double keyTime, const TransformOperations* value = 0, PassRefPtr<TimingFunction> timingFunction = 0)
82 : AnimationValue(keyTime, timingFunction)
87 virtual PassOwnPtr<AnimationValue> clone() const OVERRIDE { return adoptPtr(new TransformAnimationValue(*this)); }
89 const TransformOperations* value() const { return &m_value; }
92 TransformOperations m_value;
95 // Used to store one filter value in a keyframe list.
96 class FilterAnimationValue FINAL : public AnimationValue {
98 explicit FilterAnimationValue(double keyTime, const FilterOperations* value = 0, PassRefPtr<TimingFunction> timingFunction = 0)
99 : AnimationValue(keyTime, timingFunction)
104 virtual PassOwnPtr<AnimationValue> clone() const OVERRIDE { return adoptPtr(new FilterAnimationValue(*this)); }
106 const FilterOperations* value() const { return &m_value; }
109 FilterOperations m_value;
112 } // namespace WebCore
114 #endif // AnimationValue_h