1/* 2 * Copyright (C) 2013 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef AnimationStack_h 32#define AnimationStack_h 33 34#include "core/animation/Animation.h" 35#include "core/animation/AnimationEffect.h" 36#include "wtf/HashSet.h" 37#include "wtf/Vector.h" 38 39namespace WebCore { 40 41class InertAnimation; 42 43class AnimationStack { 44 45public: 46 void add(Animation* animation) { m_activeAnimations.append(animation); } 47 void remove(Animation* animation) 48 { 49 size_t position = m_activeAnimations.find(animation); 50 ASSERT(position != kNotFound); 51 m_activeAnimations.remove(position); 52 } 53 bool isEmpty() const { return m_activeAnimations.isEmpty(); } 54 bool affects(CSSPropertyID) const; 55 bool hasActiveAnimationsOnCompositor(CSSPropertyID) const; 56 static AnimationEffect::CompositableValueMap compositableValues(const AnimationStack*, const Vector<InertAnimation*>* newAnimations, const HashSet<const Player*>* cancelledPlayers, Animation::Priority); 57 58private: 59 Vector<Animation*> m_activeAnimations; 60}; 61 62} // namespace WebCore 63 64#endif 65