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 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 "CSSPropertyNames.h" 34#include "Document.h" 35 36namespace WebCore { 37 38class RenderElement; 39 40// An ImplicitAnimation tracks the state of a transition of a specific CSS property 41// for a single RenderElement. 42class ImplicitAnimation : public AnimationBase { 43public: 44 static PassRefPtr<ImplicitAnimation> create(const Animation& animation, CSSPropertyID animatingProperty, RenderElement* renderer, CompositeAnimation* compositeAnimation, RenderStyle* fromStyle) 45 { 46 return adoptRef(new ImplicitAnimation(animation, animatingProperty, renderer, compositeAnimation, fromStyle)); 47 }; 48 49 CSSPropertyID transitionProperty() const { return m_transitionProperty; } 50 CSSPropertyID animatingProperty() const { return m_animatingProperty; } 51 52 virtual void onAnimationEnd(double elapsedTime) override; 53 virtual bool startAnimation(double timeOffset) override; 54 virtual void pauseAnimation(double timeOffset) override; 55 virtual void endAnimation() override; 56 57 virtual void animate(CompositeAnimation*, RenderElement*, const RenderStyle* currentStyle, RenderStyle* targetStyle, RefPtr<RenderStyle>& animatedStyle) override; 58 virtual void getAnimatedStyle(RefPtr<RenderStyle>& animatedStyle) override; 59 virtual void reset(RenderStyle* to); 60 61 void setOverridden(bool); 62 virtual bool overridden() const override { return m_overridden; } 63 64 virtual bool affectsProperty(CSSPropertyID) const override; 65 66 bool hasStyle() const { return m_fromStyle && m_toStyle; } 67 68 bool isTargetPropertyEqual(CSSPropertyID, const RenderStyle*); 69 70 void blendPropertyValueInStyle(CSSPropertyID, RenderStyle*); 71 72 virtual double timeToNextService() override; 73 74 bool active() const { return m_active; } 75 void setActive(bool b) { m_active = b; } 76 77protected: 78 bool shouldSendEventForListener(Document::ListenerType) const; 79 bool sendTransitionEvent(const AtomicString&, double elapsedTime); 80 81 void validateTransformFunctionList(); 82#if ENABLE(CSS_FILTERS) 83 void checkForMatchingFilterFunctionLists(); 84#endif 85 86private: 87 ImplicitAnimation(const Animation&, CSSPropertyID, RenderElement*, CompositeAnimation*, RenderStyle*); 88 virtual ~ImplicitAnimation(); 89 90 CSSPropertyID m_transitionProperty; // Transition property as specified in the RenderStyle. 91 CSSPropertyID m_animatingProperty; // Specific property for this ImplicitAnimation 92 bool m_overridden; // true when there is a keyframe animation that overrides the transitioning property 93 bool m_active; // used for culling the list of transitions 94 95 // The two styles that we are blending. 96 RefPtr<RenderStyle> m_fromStyle; 97 RefPtr<RenderStyle> m_toStyle; 98}; 99 100} // namespace WebCore 101 102#endif // ImplicitAnimation_h 103