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 AnimationController_h 30 #define AnimationController_h 31 32 #include "CSSPropertyNames.h" 33 #include <wtf/Forward.h> 34 35 namespace WebCore { 36 37 class AnimationBase; 38 class AnimationControllerPrivate; 39 class Document; 40 class Element; 41 class Frame; 42 class Node; 43 class RenderObject; 44 class RenderStyle; 45 class WebKitAnimationList; 46 47 class AnimationController { 48 public: 49 AnimationController(Frame*); 50 ~AnimationController(); 51 52 void cancelAnimations(RenderObject*); 53 PassRefPtr<RenderStyle> updateAnimations(RenderObject*, RenderStyle* newStyle); 54 PassRefPtr<RenderStyle> getAnimatedStyleForRenderer(RenderObject*); 55 56 // This is called when an accelerated animation or transition has actually started to animate. 57 void notifyAnimationStarted(RenderObject*, double startTime); 58 59 bool pauseAnimationAtTime(RenderObject*, const String& name, double t); // To be used only for testing 60 bool pauseTransitionAtTime(RenderObject*, const String& property, double t); // To be used only for testing 61 unsigned numberOfActiveAnimations() const; // To be used only for testing 62 63 bool isRunningAnimationOnRenderer(RenderObject*, CSSPropertyID, bool isRunningNow = true) const; 64 bool isRunningAcceleratedAnimationOnRenderer(RenderObject*, CSSPropertyID, bool isRunningNow = true) const; 65 66 void suspendAnimations(); 67 void resumeAnimations(); 68 69 void suspendAnimationsForDocument(Document*); 70 void resumeAnimationsForDocument(Document*); 71 72 void beginAnimationUpdate(); 73 void endAnimationUpdate(); 74 75 static bool supportsAcceleratedAnimationOfProperty(CSSPropertyID); 76 77 PassRefPtr<WebKitAnimationList> animationsForRenderer(RenderObject*) const; 78 79 private: 80 AnimationControllerPrivate* m_data; 81 }; 82 83 } // namespace WebCore 84 85 #endif // AnimationController_h 86