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 "CSSPropertyNames.h" 33 #include "PlatformString.h" 34 #include "Timer.h" 35 #include <wtf/HashMap.h> 36 #include <wtf/HashSet.h> 37 #include <wtf/PassRefPtr.h> 38 #include <wtf/RefPtr.h> 39 #include <wtf/Vector.h> 40 #include <wtf/text/AtomicString.h> 41 42 namespace WebCore { 43 44 class AnimationBase; 45 class CompositeAnimation; 46 class Document; 47 class Element; 48 class Frame; 49 class Node; 50 class RenderObject; 51 class RenderStyle; 52 class WebKitAnimationList; 53 54 class AnimationControllerPrivate { 55 WTF_MAKE_NONCOPYABLE(AnimationControllerPrivate); WTF_MAKE_FAST_ALLOCATED; 56 public: 57 AnimationControllerPrivate(Frame*); 58 ~AnimationControllerPrivate(); 59 60 void updateAnimationTimer(bool callSetChanged = false); 61 62 PassRefPtr<CompositeAnimation> accessCompositeAnimation(RenderObject*); 63 bool clear(RenderObject*); 64 65 void updateStyleIfNeededDispatcherFired(Timer<AnimationControllerPrivate>*); 66 void startUpdateStyleIfNeededDispatcher(); 67 void addEventToDispatch(PassRefPtr<Element> element, const AtomicString& eventType, const String& name, double elapsedTime); 68 void addNodeChangeToDispatch(PassRefPtr<Node>); 69 hasAnimations()70 bool hasAnimations() const { return !m_compositeAnimations.isEmpty(); } 71 72 void suspendAnimations(); 73 void resumeAnimations(); 74 75 void suspendAnimationsForDocument(Document*); 76 void resumeAnimationsForDocument(Document*); 77 78 bool isRunningAnimationOnRenderer(RenderObject*, CSSPropertyID, bool isRunningNow) const; 79 bool isRunningAcceleratedAnimationOnRenderer(RenderObject*, CSSPropertyID, bool isRunningNow) const; 80 81 bool pauseAnimationAtTime(RenderObject*, const String& name, double t); 82 bool pauseTransitionAtTime(RenderObject*, const String& property, double t); 83 unsigned numberOfActiveAnimations() const; 84 85 PassRefPtr<RenderStyle> getAnimatedStyleForRenderer(RenderObject* renderer); 86 87 double beginAnimationUpdateTime(); setBeginAnimationUpdateTime(double t)88 void setBeginAnimationUpdateTime(double t) { m_beginAnimationUpdateTime = t; } 89 void endAnimationUpdate(); 90 void receivedStartTimeResponse(double); 91 92 void addToAnimationsWaitingForStyle(AnimationBase*); 93 void removeFromAnimationsWaitingForStyle(AnimationBase*); 94 95 void addToAnimationsWaitingForStartTimeResponse(AnimationBase*, bool willGetResponse); 96 void removeFromAnimationsWaitingForStartTimeResponse(AnimationBase*); 97 98 void animationWillBeRemoved(AnimationBase*); 99 100 PassRefPtr<WebKitAnimationList> animationsForRenderer(RenderObject*) const; 101 102 private: 103 void animationTimerFired(Timer<AnimationControllerPrivate>*); 104 105 void styleAvailable(); 106 void fireEventsAndUpdateStyle(); 107 void startTimeResponse(double t); 108 109 typedef HashMap<RenderObject*, RefPtr<CompositeAnimation> > RenderObjectAnimationMap; 110 111 RenderObjectAnimationMap m_compositeAnimations; 112 Timer<AnimationControllerPrivate> m_animationTimer; 113 Timer<AnimationControllerPrivate> m_updateStyleIfNeededDispatcher; 114 Frame* m_frame; 115 116 class EventToDispatch { 117 public: 118 RefPtr<Element> element; 119 AtomicString eventType; 120 String name; 121 double elapsedTime; 122 }; 123 124 Vector<EventToDispatch> m_eventsToDispatch; 125 Vector<RefPtr<Node> > m_nodeChangesToDispatch; 126 127 double m_beginAnimationUpdateTime; 128 129 typedef HashSet<RefPtr<AnimationBase> > WaitingAnimationsSet; 130 WaitingAnimationsSet m_animationsWaitingForStyle; 131 WaitingAnimationsSet m_animationsWaitingForStartTimeResponse; 132 bool m_waitingForAsyncStartNotification; 133 }; 134 135 } // namespace WebCore 136 137 #endif // AnimationControllerPrivate_h 138