1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef KeyframeAnimation_h 30 #define KeyframeAnimation_h 31 32 #include "AnimationBase.h" 33 #include "Document.h" 34 #include "KeyframeList.h" 35 #include "RenderStyle.h" 36 37 namespace WebCore { 38 39 // A KeyframeAnimation tracks the state of an explicit animation 40 // for a single RenderObject. 41 class KeyframeAnimation : public AnimationBase { 42 public: create(const Animation * animation,RenderObject * renderer,int index,CompositeAnimation * compositeAnimation,RenderStyle * unanimatedStyle)43 static PassRefPtr<KeyframeAnimation> create(const Animation* animation, RenderObject* renderer, int index, CompositeAnimation* compositeAnimation, RenderStyle* unanimatedStyle) 44 { 45 return adoptRef(new KeyframeAnimation(animation, renderer, index, compositeAnimation, unanimatedStyle)); 46 }; 47 48 virtual void animate(CompositeAnimation*, RenderObject*, const RenderStyle* currentStyle, const RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle); 49 name()50 const AtomicString& name() const { return m_keyframes.animationName(); } index()51 int index() const { return m_index; } setIndex(int i)52 void setIndex(int i) { m_index = i; } 53 54 bool hasAnimationForProperty(int property) const; 55 setUnanimatedStyle(PassRefPtr<RenderStyle> style)56 void setUnanimatedStyle(PassRefPtr<RenderStyle> style) { m_unanimatedStyle = style; } unanimatedStyle()57 RenderStyle* unanimatedStyle() const { return m_unanimatedStyle.get(); } 58 59 protected: 60 virtual void onAnimationStart(double elapsedTime); 61 virtual void onAnimationIteration(double elapsedTime); 62 virtual void onAnimationEnd(double elapsedTime); 63 virtual void endAnimation(bool reset); 64 65 virtual void overrideAnimations(); 66 virtual void resumeOverriddenAnimations(); 67 68 bool shouldSendEventForListener(Document::ListenerType inListenerType); 69 bool sendAnimationEvent(const AtomicString&, double elapsedTime); 70 71 virtual bool affectsProperty(int) const; 72 73 void validateTransformFunctionList(); 74 75 private: 76 KeyframeAnimation(const Animation* animation, RenderObject*, int index, CompositeAnimation*, RenderStyle* unanimatedStyle); 77 virtual ~KeyframeAnimation(); 78 79 // The keyframes that we are blending. 80 KeyframeList m_keyframes; 81 82 // The order in which this animation appears in the animation-name style. 83 int m_index; 84 85 // The style just before we started animation 86 RefPtr<RenderStyle> m_unanimatedStyle; 87 }; 88 89 } // namespace WebCore 90 91 #endif // KeyframeAnimation_h 92