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29 #ifndef KeyframeAnimation_h
30 #define KeyframeAnimation_h
32 #include "AnimationBase.h"
34 #include "KeyframeList.h"
40 // A KeyframeAnimation tracks the state of an explicit animation
41 // for a single RenderObject.
42 class KeyframeAnimation : public AnimationBase {
44 static PassRefPtr<KeyframeAnimation> create(const Animation* animation, RenderObject* renderer, int index, CompositeAnimation* compositeAnimation, RenderStyle* unanimatedStyle)
46 return adoptRef(new KeyframeAnimation(animation, renderer, index, compositeAnimation, unanimatedStyle));
49 virtual void animate(CompositeAnimation*, RenderObject*, const RenderStyle* currentStyle, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle);
50 virtual void getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle);
52 const AtomicString& name() const { return m_keyframes.animationName(); }
53 int index() const { return m_index; }
54 void setIndex(int i) { m_index = i; }
56 bool hasAnimationForProperty(int property) const;
58 void setUnanimatedStyle(PassRefPtr<RenderStyle> style) { m_unanimatedStyle = style; }
59 RenderStyle* unanimatedStyle() const { return m_unanimatedStyle.get(); }
61 virtual double timeToNextService();
64 virtual void onAnimationStart(double elapsedTime);
65 virtual void onAnimationIteration(double elapsedTime);
66 virtual void onAnimationEnd(double elapsedTime);
67 virtual bool startAnimation(double timeOffset);
68 virtual void pauseAnimation(double timeOffset);
69 virtual void endAnimation();
71 virtual void overrideAnimations();
72 virtual void resumeOverriddenAnimations();
74 bool shouldSendEventForListener(Document::ListenerType inListenerType) const;
75 bool sendAnimationEvent(const AtomicString&, double elapsedTime);
77 virtual bool affectsProperty(int) const;
79 void validateTransformFunctionList();
82 KeyframeAnimation(const Animation* animation, RenderObject*, int index, CompositeAnimation*, RenderStyle* unanimatedStyle);
83 virtual ~KeyframeAnimation();
85 // Get the styles for the given property surrounding the current animation time and the progress between them.
86 void fetchIntervalEndpointsForProperty(int property, const RenderStyle*& fromStyle, const RenderStyle*& toStyle, double& progress) const;
88 // The keyframes that we are blending.
89 KeyframeList m_keyframes;
91 // The order in which this animation appears in the animation-name style.
93 bool m_startEventDispatched;
95 // The style just before we started animation
96 RefPtr<RenderStyle> m_unanimatedStyle;
99 } // namespace WebCore
101 #endif // KeyframeAnimation_h