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 CompositeAnimation_h 30#define CompositeAnimation_h 31 32#include "ImplicitAnimation.h" 33#include "KeyframeAnimation.h" 34#include <wtf/HashMap.h> 35#include <wtf/Noncopyable.h> 36#include <wtf/text/AtomicString.h> 37 38namespace WebCore { 39 40class AnimationControllerPrivate; 41class AnimationController; 42class RenderElement; 43class RenderStyle; 44 45// A CompositeAnimation represents a collection of animations that are running 46// on a single RenderElement, such as a number of properties transitioning at once. 47class CompositeAnimation : public RefCounted<CompositeAnimation> { 48public: 49 static PassRefPtr<CompositeAnimation> create(AnimationControllerPrivate* animationController) 50 { 51 return adoptRef(new CompositeAnimation(animationController)); 52 }; 53 54 ~CompositeAnimation(); 55 56 void clearRenderer(); 57 58 PassRef<RenderStyle> animate(RenderElement&, RenderStyle* currentStyle, RenderStyle& targetStyle); 59 PassRefPtr<RenderStyle> getAnimatedStyle() const; 60 61 double timeToNextService() const; 62 63 AnimationControllerPrivate* animationController() const { return m_animationController; } 64 65 void suspendAnimations(); 66 void resumeAnimations(); 67 bool isSuspended() const { return m_suspended; } 68 69 bool hasAnimations() const { return !m_transitions.isEmpty() || !m_keyframeAnimations.isEmpty(); } 70 71 bool isAnimatingProperty(CSSPropertyID, bool acceleratedOnly, AnimationBase::RunningState) const; 72 73 PassRefPtr<KeyframeAnimation> getAnimationForProperty(CSSPropertyID) const; 74 75 void overrideImplicitAnimations(CSSPropertyID); 76 void resumeOverriddenImplicitAnimations(CSSPropertyID); 77 78 bool pauseAnimationAtTime(const AtomicString& name, double t); 79 bool pauseTransitionAtTime(CSSPropertyID, double); 80 unsigned numberOfActiveAnimations() const; 81 82private: 83 CompositeAnimation(AnimationControllerPrivate*); 84 85 void updateTransitions(RenderElement*, RenderStyle* currentStyle, RenderStyle* targetStyle); 86 void updateKeyframeAnimations(RenderElement*, RenderStyle* currentStyle, RenderStyle* targetStyle); 87 88 typedef HashMap<int, RefPtr<ImplicitAnimation>> CSSPropertyTransitionsMap; 89 typedef HashMap<AtomicStringImpl*, RefPtr<KeyframeAnimation>> AnimationNameMap; 90 91 AnimationControllerPrivate* m_animationController; 92 CSSPropertyTransitionsMap m_transitions; 93 AnimationNameMap m_keyframeAnimations; 94 Vector<AtomicStringImpl*> m_keyframeAnimationOrderMap; 95 bool m_suspended; 96}; 97 98} // namespace WebCore 99 100#endif // CompositeAnimation_h 101