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 CompositeAnimation_h 30 #define CompositeAnimation_h 31 32 #include "AtomicString.h" 33 34 #include "ImplicitAnimation.h" 35 #include "KeyframeAnimation.h" 36 #include <wtf/HashMap.h> 37 #include <wtf/Noncopyable.h> 38 39 namespace WebCore { 40 41 class AnimationControllerPrivate; 42 class AnimationController; 43 class RenderObject; 44 class RenderStyle; 45 46 // A CompositeAnimation represents a collection of animations that are running 47 // on a single RenderObject, such as a number of properties transitioning at once. 48 class CompositeAnimation : public RefCounted<CompositeAnimation> { 49 public: create(AnimationControllerPrivate * animationController)50 static PassRefPtr<CompositeAnimation> create(AnimationControllerPrivate* animationController) 51 { 52 return adoptRef(new CompositeAnimation(animationController)); 53 }; 54 55 ~CompositeAnimation(); 56 57 void clearRenderer(); 58 59 PassRefPtr<RenderStyle> animate(RenderObject*, RenderStyle* currentStyle, RenderStyle* targetStyle); 60 PassRefPtr<RenderStyle> getAnimatedStyle() const; 61 62 double timeToNextService() const; 63 animationController()64 AnimationControllerPrivate* animationController() const { return m_animationController; } 65 66 void suspendAnimations(); 67 void resumeAnimations(); isSuspended()68 bool isSuspended() const { return m_isSuspended; } 69 hasAnimations()70 bool hasAnimations() const { return !m_transitions.isEmpty() || !m_keyframeAnimations.isEmpty(); } 71 72 void setAnimating(bool); 73 bool isAnimatingProperty(int property, bool isRunningNow) const; 74 75 PassRefPtr<KeyframeAnimation> getAnimationForProperty(int property) const; 76 77 void overrideImplicitAnimations(int property); 78 void resumeOverriddenImplicitAnimations(int property); 79 80 bool pauseAnimationAtTime(const AtomicString& name, double t); 81 bool pauseTransitionAtTime(int property, double t); 82 unsigned numberOfActiveAnimations() const; 83 84 private: CompositeAnimation(AnimationControllerPrivate * animationController)85 CompositeAnimation(AnimationControllerPrivate* animationController) 86 : m_animationController(animationController) 87 , m_numStyleAvailableWaiters(0) 88 , m_isSuspended(false) 89 { 90 } 91 92 void updateTransitions(RenderObject*, RenderStyle* currentStyle, RenderStyle* targetStyle); 93 void updateKeyframeAnimations(RenderObject*, RenderStyle* currentStyle, RenderStyle* targetStyle); 94 95 typedef HashMap<int, RefPtr<ImplicitAnimation> > CSSPropertyTransitionsMap; 96 typedef HashMap<AtomicStringImpl*, RefPtr<KeyframeAnimation> > AnimationNameMap; 97 98 AnimationControllerPrivate* m_animationController; 99 CSSPropertyTransitionsMap m_transitions; 100 AnimationNameMap m_keyframeAnimations; 101 Vector<AtomicStringImpl*> m_keyframeAnimationOrderMap; 102 unsigned m_numStyleAvailableWaiters; 103 bool m_isSuspended; 104 }; 105 106 } // namespace WebCore 107 108 #endif // CompositeAnimation_h 109