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 Animation_h 26 #define Animation_h 27 28 #include "PlatformString.h" 29 #include "TimingFunction.h" 30 #include <wtf/PassRefPtr.h> 31 #include <wtf/RefCounted.h> 32 33 namespace WebCore { 34 35 const int cAnimateNone = 0; 36 const int cAnimateAll = -2; 37 38 class Animation : public RefCounted<Animation> { 39 public: 40 ~Animation(); 41 42 static PassRefPtr<Animation> create() { return adoptRef(new Animation); }; 43 44 bool isDelaySet() const { return m_delaySet; } 45 bool isDirectionSet() const { return m_directionSet; } 46 bool isDurationSet() const { return m_durationSet; } 47 bool isIterationCountSet() const { return m_iterationCountSet; } 48 bool isNameSet() const { return m_nameSet; } 49 bool isPlayStateSet() const { return m_playStateSet; } 50 bool isPropertySet() const { return m_propertySet; } 51 bool isTimingFunctionSet() const { return m_timingFunctionSet; } 52 53 // Flags this to be the special "none" animation (animation-name: none) 54 bool isNoneAnimation() const { return m_isNone; } 55 // We can make placeholder Animation objects to keep the comma-separated lists 56 // of properties in sync. isValidAnimation means this is not a placeholder. 57 bool isValidAnimation() const { return !m_isNone && !m_name.isEmpty(); } 58 59 bool isEmpty() const 60 { 61 return (!m_directionSet && !m_durationSet && !m_nameSet && !m_playStateSet && 62 !m_iterationCountSet && !m_delaySet && !m_timingFunctionSet && !m_propertySet); 63 } 64 65 bool isEmptyOrZeroDuration() const 66 { 67 return isEmpty() || (m_duration == 0 && m_delay <= 0); 68 } 69 70 void clearDelay() { m_delaySet = false; } 71 void clearDirection() { m_directionSet = false; } 72 void clearDuration() { m_durationSet = false; } 73 void clearIterationCount() { m_iterationCountSet = false; } 74 void clearName() { m_nameSet = false; } 75 void clearPlayState() { m_playStateSet = AnimPlayStatePlaying; } 76 void clearProperty() { m_propertySet = false; } 77 void clearTimingFunction() { m_timingFunctionSet = false; } 78 79 double delay() const { return m_delay; } 80 81 enum AnimationDirection { AnimationDirectionNormal, AnimationDirectionAlternate }; 82 AnimationDirection direction() const { return m_direction; } 83 84 double duration() const { return m_duration; } 85 86 enum { IterationCountInfinite = -1 }; 87 int iterationCount() const { return m_iterationCount; } 88 const String& name() const { return m_name; } 89 unsigned playState() const { return m_playState; } 90 int property() const { return m_property; } 91 const TimingFunction& timingFunction() const { return m_timingFunction; } 92 93 void setDelay(double c) { m_delay = c; m_delaySet = true; } 94 void setDirection(AnimationDirection d) { m_direction = d; m_directionSet = true; } 95 void setDuration(double d) { ASSERT(d >= 0); m_duration = d; m_durationSet = true; } 96 void setIterationCount(int c) { m_iterationCount = c; m_iterationCountSet = true; } 97 void setName(const String& n) { m_name = n; m_nameSet = true; } 98 void setPlayState(unsigned d) { m_playState = d; m_playStateSet = true; } 99 void setProperty(int t) { m_property = t; m_propertySet = true; } 100 void setTimingFunction(const TimingFunction& f) { m_timingFunction = f; m_timingFunctionSet = true; } 101 102 void setIsNoneAnimation(bool n) { m_isNone = n; } 103 104 Animation& operator=(const Animation& o); 105 106 // return true if all members of this class match (excluding m_next) 107 bool animationsMatch(const Animation*, bool matchPlayStates = true) const; 108 109 // return true every Animation in the chain (defined by m_next) match 110 bool operator==(const Animation& o) const { return animationsMatch(&o); } 111 bool operator!=(const Animation& o) const { return !(*this == o); } 112 113 private: 114 Animation(); 115 Animation(const Animation& o); 116 117 String m_name; 118 int m_property; 119 int m_iterationCount; 120 double m_delay; 121 double m_duration; 122 TimingFunction m_timingFunction; 123 AnimationDirection m_direction : 1; 124 125 unsigned m_playState : 2; 126 127 bool m_delaySet : 1; 128 bool m_directionSet : 1; 129 bool m_durationSet : 1; 130 bool m_iterationCountSet : 1; 131 bool m_nameSet : 1; 132 bool m_playStateSet : 1; 133 bool m_propertySet : 1; 134 bool m_timingFunctionSet : 1; 135 136 bool m_isNone : 1; 137 138 public: 139 static float initialAnimationDelay() { return 0; } 140 static AnimationDirection initialAnimationDirection() { return AnimationDirectionNormal; } 141 static double initialAnimationDuration() { return 0; } 142 static int initialAnimationIterationCount() { return 1; } 143 static String initialAnimationName() { return String("none"); } 144 static unsigned initialAnimationPlayState() { return AnimPlayStatePlaying; } 145 static int initialAnimationProperty() { return cAnimateAll; } 146 static TimingFunction initialAnimationTimingFunction() { return TimingFunction(); } 147 }; 148 149 } // namespace WebCore 150 151 #endif // Animation_h 152
