1 /* 2 * Copyright (C) 2000 Lars Knoll (knoll (at) kde.org) 3 * (C) 2000 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2000 Dirk Mueller (mueller (at) kde.org) 5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 6 * Copyright (C) 2006 Graham Dennis (graham.dennis (at) gmail.com) 7 * 8 * This library is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Library General Public 10 * License as published by the Free Software Foundation; either 11 * version 2 of the License, or (at your option) any later version. 12 * 13 * This library is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Library General Public License for more details. 17 * 18 * You should have received a copy of the GNU Library General Public License 19 * along with this library; see the file COPYING.LIB. If not, write to 20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 21 * Boston, MA 02110-1301, USA. 22 * 23 */ 24 25 #ifndef KeyframeList_h 26 #define KeyframeList_h 27 28 #include "CSSPropertyNames.h" 29 #include "core/rendering/style/StyleInheritedData.h" 30 #include "wtf/HashSet.h" 31 #include "wtf/RefPtr.h" 32 #include "wtf/Vector.h" 33 #include "wtf/text/AtomicString.h" 34 35 namespace WebCore { 36 37 class RenderObject; 38 class RenderStyle; 39 class StylePropertySet; 40 class TimingFunction; 41 42 class KeyframeValue { 43 public: 44 KeyframeValue(double key, PassRefPtr<RenderStyle> style) 45 : m_key(key) 46 , m_style(style) 47 { 48 } 49 50 void addProperties(const StylePropertySet*); 51 void addProperty(CSSPropertyID prop) { m_properties.add(prop); } 52 bool containsProperty(CSSPropertyID prop) const { return m_properties.contains(prop); } 53 const HashSet<CSSPropertyID>& properties() const { return m_properties; } 54 55 double key() const { return m_key; } 56 void setKey(double key) { m_key = key; } 57 58 const RenderStyle* style() const { return m_style.get(); } 59 void setStyle(PassRefPtr<RenderStyle> style) { m_style = style; } 60 61 static TimingFunction* timingFunction(const RenderStyle& keyframeStyle); 62 63 private: 64 double m_key; 65 HashSet<CSSPropertyID> m_properties; // The properties specified in this keyframe. 66 RefPtr<RenderStyle> m_style; 67 }; 68 69 class KeyframeList { 70 public: 71 KeyframeList(RenderObject&, const AtomicString& animationName) 72 : m_animationName(animationName) 73 { 74 insert(KeyframeValue(0, 0)); 75 insert(KeyframeValue(1, 0)); 76 } 77 ~KeyframeList(); 78 79 const AtomicString& animationName() const { return m_animationName; } 80 81 void insert(const KeyframeValue& keyframe); 82 83 void addProperty(CSSPropertyID prop) { m_properties.add(prop); } 84 bool containsProperty(CSSPropertyID prop) const { return m_properties.contains(prop); } 85 HashSet<CSSPropertyID>::const_iterator beginProperties() const { return m_properties.begin(); } 86 HashSet<CSSPropertyID>::const_iterator endProperties() const { return m_properties.end(); } 87 88 void clear(); 89 bool isEmpty() const { return m_keyframes.isEmpty(); } 90 size_t size() const { return m_keyframes.size(); } 91 const KeyframeValue& operator[](size_t index) const { return m_keyframes[index]; } 92 93 private: 94 AtomicString m_animationName; 95 Vector<KeyframeValue> m_keyframes; // Kept sorted by key. 96 HashSet<CSSPropertyID> m_properties; // The properties being animated. 97 }; 98 99 } // namespace WebCore 100 101 #endif // KeyframeList_h 102