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 ImplicitAnimation_h 30 #define ImplicitAnimation_h 31 32 #include "AnimationBase.h" 33 #include "Document.h" 34 35 namespace WebCore { 36 37 // An ImplicitAnimation tracks the state of a transition of a specific CSS property 38 // for a single RenderObject. 39 class ImplicitAnimation : public AnimationBase { 40 public: create(const Animation * animation,int animatingProperty,RenderObject * renderer,CompositeAnimation * compositeAnimation,RenderStyle * fromStyle)41 static PassRefPtr<ImplicitAnimation> create(const Animation* animation, int animatingProperty, RenderObject* renderer, CompositeAnimation* compositeAnimation, RenderStyle* fromStyle) 42 { 43 return adoptRef(new ImplicitAnimation(animation, animatingProperty, renderer, compositeAnimation, fromStyle)); 44 }; 45 transitionProperty()46 int transitionProperty() const { return m_transitionProperty; } animatingProperty()47 int animatingProperty() const { return m_animatingProperty; } 48 49 virtual void onAnimationEnd(double elapsedTime); 50 virtual bool startAnimation(double timeOffset); 51 virtual void pauseAnimation(double /*timeOffset*/); 52 virtual void endAnimation(); 53 54 virtual void animate(CompositeAnimation*, RenderObject*, const RenderStyle* currentStyle, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle); 55 virtual void getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle); 56 virtual void reset(RenderStyle* to); 57 58 void setOverridden(bool); overridden()59 virtual bool overridden() const { return m_overridden; } 60 61 virtual bool affectsProperty(int) const; 62 hasStyle()63 bool hasStyle() const { return m_fromStyle && m_toStyle; } 64 65 bool isTargetPropertyEqual(int, const RenderStyle* targetStyle); 66 67 void blendPropertyValueInStyle(int, RenderStyle* currentStyle); 68 69 virtual double timeToNextService(); 70 active()71 bool active() const { return m_active; } setActive(bool b)72 void setActive(bool b) { m_active = b; } 73 74 protected: 75 bool shouldSendEventForListener(Document::ListenerType) const; 76 bool sendTransitionEvent(const AtomicString&, double elapsedTime); 77 78 void validateTransformFunctionList(); 79 80 private: 81 ImplicitAnimation(const Animation*, int animatingProperty, RenderObject*, CompositeAnimation*, RenderStyle* fromStyle); 82 virtual ~ImplicitAnimation(); 83 84 int m_transitionProperty; // Transition property as specified in the RenderStyle. May be cAnimateAll 85 int m_animatingProperty; // Specific property for this ImplicitAnimation 86 bool m_overridden; // true when there is a keyframe animation that overrides the transitioning property 87 bool m_active; // used for culling the list of transitions 88 89 // The two styles that we are blending. 90 RefPtr<RenderStyle> m_fromStyle; 91 RefPtr<RenderStyle> m_toStyle; 92 }; 93 94 } // namespace WebCore 95 96 #endif // ImplicitAnimation_h 97