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 CSSAnimations_h 32 #define CSSAnimations_h 33 34 #include "core/animation/Animation.h" 35 36 #include "core/animation/Player.h" 37 #include "core/css/StylePropertySet.h" 38 #include "core/dom/Document.h" 39 #include "core/platform/animation/CSSAnimationData.h" 40 #include "core/rendering/style/RenderStyleConstants.h" 41 #include "wtf/HashMap.h" 42 #include "wtf/HashSet.h" 43 #include "wtf/Vector.h" 44 #include "wtf/text/AtomicString.h" 45 46 namespace WebCore { 47 48 class CSSAnimationDataList; 49 class Element; 50 class RenderObject; 51 class StyleResolver; 52 53 class CSSAnimationUpdate FINAL { 54 public: 55 const StylePropertySet* styles() const { return m_styles.get(); } 56 // Returns whether player has been cancelled and should be filtered during style application. 57 bool isFiltered(const Player* player) const { return m_filtered.contains(player); } 58 void cancel(const Player* player) 59 { 60 m_filtered.add(player); 61 } 62 void addStyles(const StylePropertySet* styles) 63 { 64 if (!m_styles) 65 m_styles = MutableStylePropertySet::create(); 66 m_styles->mergeAndOverrideOnConflict(styles); 67 } 68 private: 69 HashSet<const Player*> m_filtered; 70 RefPtr<MutableStylePropertySet> m_styles; 71 }; 72 73 class CSSAnimations FINAL { 74 public: 75 static bool needsUpdate(const Element*, const RenderStyle*); 76 static PassOwnPtr<CSSAnimationUpdate> calculateUpdate(const Element*, EDisplay, const CSSAnimations*, const CSSAnimationDataList*, StyleResolver*); 77 void update(Element*, const RenderStyle*); 78 bool isEmpty() const { return m_animations.isEmpty(); } 79 void cancel(); 80 private: 81 typedef HashMap<StringImpl*, Player*> AnimationMap; 82 AnimationMap m_animations; 83 class EventDelegate FINAL : public TimedItemEventDelegate { 84 public: 85 EventDelegate(Element* target, const AtomicString& name) 86 : m_target(target) 87 , m_name(name) 88 { 89 } 90 virtual void onEventCondition(bool wasInPlay, bool isInPlay, double previousIteration, double currentIteration) OVERRIDE; 91 private: 92 void maybeDispatch(Document::ListenerType, AtomicString& eventName, double elapsedTime); 93 Element* m_target; 94 const AtomicString m_name; 95 }; 96 }; 97 98 } // namespace WebCore 99 100 #endif 101