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 ActiveAnimations_h 32 #define ActiveAnimations_h 33 34 #include "core/animation/AnimationStack.h" 35 #include "core/animation/css/CSSAnimations.h" 36 #include "wtf/HashMap.h" 37 #include "wtf/RefPtr.h" 38 #include "wtf/Vector.h" 39 40 namespace WebCore { 41 42 class ActiveAnimations { 43 public: 44 // Animations that are currently active for this element, their effects will be applied 45 // during a style recalc. 46 AnimationStack* defaultStack() { return &m_defaultStack; } 47 // Tracks the state of active CSS Animations. The individual animations will also be 48 // part of the default stack, but the mapping betwen animation name and player is kept 49 // here. 50 CSSAnimations* cssAnimations() { return &m_cssAnimations; } 51 // FIXME: Add AnimationStack for CSS Transitions 52 // CSS Transitions form a separate animation stack as they apply at a different level of 53 // the style cascade. Active transitions will not be present in the default stack. 54 bool isEmpty() const { return m_defaultStack.isEmpty() && m_cssAnimations.isEmpty(); } 55 private: 56 AnimationStack m_defaultStack; 57 CSSAnimations m_cssAnimations; 58 }; 59 60 } // namespace WebCore 61 62 #endif 63