1 /* 2 * Copyright (C) 2009 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 AnimationControllerPrivate_h 30 #define AnimationControllerPrivate_h 31 32 #include "AtomicString.h" 33 #include "CSSPropertyNames.h" 34 #include "PlatformString.h" 35 #include "Timer.h" 36 #include <wtf/HashMap.h> 37 #include <wtf/PassRefPtr.h> 38 #include <wtf/RefPtr.h> 39 #include <wtf/Vector.h> 40 41 namespace WebCore { 42 43 class AnimationBase; 44 class CompositeAnimation; 45 class Document; 46 class Element; 47 class Frame; 48 class Node; 49 class RenderObject; 50 class RenderStyle; 51 52 class AnimationControllerPrivate { 53 public: 54 AnimationControllerPrivate(Frame*); 55 ~AnimationControllerPrivate(); 56 57 PassRefPtr<CompositeAnimation> accessCompositeAnimation(RenderObject*); 58 bool clear(RenderObject*); 59 60 void animationTimerFired(Timer<AnimationControllerPrivate>*); 61 void updateAnimationTimer(bool callSetChanged = false); 62 63 void updateStyleIfNeededDispatcherFired(Timer<AnimationControllerPrivate>*); 64 void startUpdateStyleIfNeededDispatcher(); 65 void addEventToDispatch(PassRefPtr<Element> element, const AtomicString& eventType, const String& name, double elapsedTime); 66 void addNodeChangeToDispatch(PassRefPtr<Node>); 67 hasAnimations()68 bool hasAnimations() const { return !m_compositeAnimations.isEmpty(); } 69 70 void suspendAnimations(Document*); 71 void resumeAnimations(Document*); 72 73 bool isAnimatingPropertyOnRenderer(RenderObject*, CSSPropertyID, bool isRunningNow) const; 74 75 bool pauseAnimationAtTime(RenderObject*, const String& name, double t); 76 bool pauseTransitionAtTime(RenderObject*, const String& property, double t); 77 unsigned numberOfActiveAnimations() const; 78 79 PassRefPtr<RenderStyle> getAnimatedStyleForRenderer(RenderObject* renderer); 80 81 double beginAnimationUpdateTime(); setBeginAnimationUpdateTime(double t)82 void setBeginAnimationUpdateTime(double t) { m_beginAnimationUpdateTime = t; } endAnimationUpdate()83 void endAnimationUpdate() 84 { 85 styleAvailable(); 86 if (!m_waitingForAResponse) 87 startTimeResponse(beginAnimationUpdateTime()); 88 } 89 receivedStartTimeResponse(double t)90 void receivedStartTimeResponse(double t) 91 { 92 m_waitingForAResponse = false; 93 startTimeResponse(t); 94 } 95 96 void addToStyleAvailableWaitList(AnimationBase*); 97 void removeFromStyleAvailableWaitList(AnimationBase*); 98 99 void addToStartTimeResponseWaitList(AnimationBase*, bool willGetResponse); 100 void removeFromStartTimeResponseWaitList(AnimationBase*); 101 void startTimeResponse(double t); 102 103 private: 104 void styleAvailable(); 105 106 typedef HashMap<RenderObject*, RefPtr<CompositeAnimation> > RenderObjectAnimationMap; 107 108 RenderObjectAnimationMap m_compositeAnimations; 109 Timer<AnimationControllerPrivate> m_animationTimer; 110 Timer<AnimationControllerPrivate> m_updateStyleIfNeededDispatcher; 111 Frame* m_frame; 112 113 class EventToDispatch { 114 public: 115 RefPtr<Element> element; 116 AtomicString eventType; 117 String name; 118 double elapsedTime; 119 }; 120 121 Vector<EventToDispatch> m_eventsToDispatch; 122 Vector<RefPtr<Node> > m_nodeChangesToDispatch; 123 124 double m_beginAnimationUpdateTime; 125 AnimationBase* m_styleAvailableWaiters; 126 AnimationBase* m_lastStyleAvailableWaiter; 127 128 AnimationBase* m_responseWaiters; 129 AnimationBase* m_lastResponseWaiter; 130 bool m_waitingForAResponse; 131 }; 132 133 } // namespace WebCore 134 135 #endif // AnimationControllerPrivate_h 136