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 <wtf/Vector.h> 29 #include <wtf/HashSet.h> 30 #include <wtf/RefPtr.h> 31 #include <wtf/text/AtomicString.h> 32 33 namespace WebCore { 34 35 class RenderObject; 36 class RenderStyle; 37 38 class KeyframeValue { 39 public: 40 KeyframeValue(float key, PassRefPtr<RenderStyle> style) 41 : m_key(key) 42 , m_style(style) 43 { 44 } 45 46 void addProperty(int prop) { m_properties.add(prop); } 47 bool containsProperty(int prop) const { return m_properties.contains(prop); } 48 const HashSet<int>& properties() const { return m_properties; } 49 50 float key() const { return m_key; } 51 void setKey(float key) { m_key = key; } 52 53 const RenderStyle* style() const { return m_style.get(); } 54 void setStyle(PassRefPtr<RenderStyle> style) { m_style = style; } 55 56 private: 57 float m_key; 58 HashSet<int> m_properties; // The properties specified in this keyframe. 59 RefPtr<RenderStyle> m_style; 60 }; 61 62 class KeyframeList { 63 public: 64 KeyframeList(RenderObject* renderer, const AtomicString& animationName) 65 : m_animationName(animationName) 66 , m_renderer(renderer) 67 { 68 insert(KeyframeValue(0, 0)); 69 insert(KeyframeValue(1, 0)); 70 } 71 ~KeyframeList(); 72 73 bool operator==(const KeyframeList& o) const; 74 bool operator!=(const KeyframeList& o) const { return !(*this == o); } 75 76 const AtomicString& animationName() const { return m_animationName; } 77 78 void insert(const KeyframeValue& keyframe); 79 80 void addProperty(int prop) { m_properties.add(prop); } 81 bool containsProperty(int prop) const { return m_properties.contains(prop); } 82 HashSet<int>::const_iterator beginProperties() const { return m_properties.begin(); } 83 HashSet<int>::const_iterator endProperties() const { return m_properties.end(); } 84 85 void clear(); 86 bool isEmpty() const { return m_keyframes.isEmpty(); } 87 size_t size() const { return m_keyframes.size(); } 88 const KeyframeValue& operator[](size_t index) const { return m_keyframes[index]; } 89 90 private: 91 AtomicString m_animationName; 92 Vector<KeyframeValue> m_keyframes; // kept sorted by key 93 HashSet<int> m_properties; // the properties being animated 94 RenderObject* m_renderer; 95 }; 96 97 } // namespace WebCore 98 99 #endif // KeyframeList_h 100
