/* | |
* Copyright (C) 2007 Apple Inc. All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
* its contributors may be used to endorse or promote products derived | |
* from this software without specific prior written permission. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
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*/ | |
#ifndef KeyframeAnimation_h | |
#define KeyframeAnimation_h | |
#include "AnimationBase.h" | |
#include "Document.h" | |
#include "KeyframeList.h" | |
namespace WebCore { | |
class RenderStyle; | |
// A KeyframeAnimation tracks the state of an explicit animation | |
// for a single RenderObject. | |
class KeyframeAnimation : public AnimationBase { | |
public: | |
static PassRefPtr<KeyframeAnimation> create(const Animation* animation, RenderObject* renderer, int index, CompositeAnimation* compositeAnimation, RenderStyle* unanimatedStyle) | |
{ | |
return adoptRef(new KeyframeAnimation(animation, renderer, index, compositeAnimation, unanimatedStyle)); | |
}; | |
virtual void animate(CompositeAnimation*, RenderObject*, const RenderStyle* currentStyle, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle); | |
virtual void getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle); | |
const AtomicString& name() const { return m_keyframes.animationName(); } | |
int index() const { return m_index; } | |
void setIndex(int i) { m_index = i; } | |
bool hasAnimationForProperty(int property) const; | |
void setUnanimatedStyle(PassRefPtr<RenderStyle> style) { m_unanimatedStyle = style; } | |
RenderStyle* unanimatedStyle() const { return m_unanimatedStyle.get(); } | |
virtual double timeToNextService(); | |
protected: | |
virtual void onAnimationStart(double elapsedTime); | |
virtual void onAnimationIteration(double elapsedTime); | |
virtual void onAnimationEnd(double elapsedTime); | |
virtual bool startAnimation(double timeOffset); | |
virtual void pauseAnimation(double timeOffset); | |
virtual void endAnimation(); | |
virtual void overrideAnimations(); | |
virtual void resumeOverriddenAnimations(); | |
bool shouldSendEventForListener(Document::ListenerType inListenerType) const; | |
bool sendAnimationEvent(const AtomicString&, double elapsedTime); | |
virtual bool affectsProperty(int) const; | |
void validateTransformFunctionList(); | |
private: | |
KeyframeAnimation(const Animation* animation, RenderObject*, int index, CompositeAnimation*, RenderStyle* unanimatedStyle); | |
virtual ~KeyframeAnimation(); | |
// Get the styles surrounding the current animation time and the progress between them | |
void getKeyframeAnimationInterval(const RenderStyle*& fromStyle, const RenderStyle*& toStyle, double& progress) const; | |
// The keyframes that we are blending. | |
KeyframeList m_keyframes; | |
// The order in which this animation appears in the animation-name style. | |
int m_index; | |
// The style just before we started animation | |
RefPtr<RenderStyle> m_unanimatedStyle; | |
}; | |
} // namespace WebCore | |
#endif // KeyframeAnimation_h |