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| 1 /* | |
| 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) | |
| 3 * (C) 2000 Antti Koivisto (koivisto@kde.org) | |
| 4 * (C) 2000 Dirk Mueller (mueller@kde.org) | |
| 5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | |
| 6 * Copyright (C) 2006 Graham Dennis (graham.dennis@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 CSSAnimationData_h | |
| 26 #define CSSAnimationData_h | |
| 27 | |
| 28 #include "CSSPropertyNames.h" | |
| 29 #include "core/platform/animation/TimingFunction.h" | |
| 30 #include "core/rendering/style/RenderStyleConstants.h" | |
| 31 #include <wtf/PassRefPtr.h> | |
| 32 #include <wtf/RefCounted.h> | |
| 33 #include <wtf/text/WTFString.h> | |
| 34 | |
| 35 namespace WebCore { | |
| 36 | |
| 37 class CSSAnimationData : public RefCounted<CSSAnimationData> { | |
| 38 public: | |
| 39 ~CSSAnimationData(); | |
| 40 | |
| 41 static PassRefPtr<CSSAnimationData> create() { return adoptRef(new CSSAnimat
ionData); } | |
| 42 static PassRefPtr<CSSAnimationData> create(const CSSAnimationData* o) { retu
rn adoptRef(new CSSAnimationData(*o)); } | |
| 43 | |
| 44 bool isDelaySet() const { return m_delaySet; } | |
| 45 bool isDirectionSet() const { return m_directionSet; } | |
| 46 bool isDurationSet() const { return m_durationSet; } | |
| 47 bool isFillModeSet() const { return m_fillModeSet; } | |
| 48 bool isIterationCountSet() const { return m_iterationCountSet; } | |
| 49 bool isNameSet() const { return m_nameSet; } | |
| 50 bool isPlayStateSet() const { return m_playStateSet; } | |
| 51 bool isPropertySet() const { return m_propertySet; } | |
| 52 bool isTimingFunctionSet() const { return m_timingFunctionSet; } | |
| 53 | |
| 54 // Flags this to be the special "none" animation (animation-name: none) | |
| 55 bool isNoneAnimation() const { return m_isNone; } | |
| 56 // We can make placeholder CSSAnimationData objects to keep the comma-separa
ted lists | |
| 57 // of properties in sync. isValidAnimation means this is not a placeholder. | |
| 58 bool isValidAnimation() const { return !m_isNone && !m_name.isEmpty(); } | |
| 59 | |
| 60 bool isEmpty() const | |
| 61 { | |
| 62 return (!m_directionSet && !m_durationSet && !m_fillModeSet | |
| 63 && !m_nameSet && !m_playStateSet && !m_iterationCountSet | |
| 64 && !m_delaySet && !m_timingFunctionSet && !m_propertySet); | |
| 65 } | |
| 66 | |
| 67 bool isEmptyOrZeroDuration() const | |
| 68 { | |
| 69 return isEmpty() || (m_duration == 0 && m_delay <= 0); | |
| 70 } | |
| 71 | |
| 72 void clearDelay() { m_delaySet = false; } | |
| 73 void clearDirection() { m_directionSet = false; } | |
| 74 void clearDuration() { m_durationSet = false; } | |
| 75 void clearFillMode() { m_fillModeSet = false; } | |
| 76 void clearIterationCount() { m_iterationCountSet = false; } | |
| 77 void clearName() { m_nameSet = false; } | |
| 78 void clearPlayState() { m_playStateSet = AnimPlayStatePlaying; } | |
| 79 void clearProperty() { m_propertySet = false; } | |
| 80 void clearTimingFunction() { m_timingFunctionSet = false; } | |
| 81 | |
| 82 void clearAll() | |
| 83 { | |
| 84 clearDelay(); | |
| 85 clearDirection(); | |
| 86 clearDuration(); | |
| 87 clearFillMode(); | |
| 88 clearIterationCount(); | |
| 89 clearName(); | |
| 90 clearPlayState(); | |
| 91 clearProperty(); | |
| 92 clearTimingFunction(); | |
| 93 } | |
| 94 | |
| 95 double delay() const { return m_delay; } | |
| 96 | |
| 97 enum AnimationMode { | |
| 98 AnimateAll, | |
| 99 AnimateNone, | |
| 100 AnimateSingleProperty | |
| 101 }; | |
| 102 | |
| 103 enum AnimationDirection { | |
| 104 AnimationDirectionNormal, | |
| 105 AnimationDirectionAlternate, | |
| 106 AnimationDirectionReverse, | |
| 107 AnimationDirectionAlternateReverse | |
| 108 }; | |
| 109 AnimationDirection direction() const { return static_cast<AnimationDirection
>(m_direction); } | |
| 110 bool directionIsForwards() const { return m_direction == AnimationDirectionN
ormal || m_direction == AnimationDirectionAlternate; } | |
| 111 | |
| 112 unsigned fillMode() const { return m_fillMode; } | |
| 113 | |
| 114 double duration() const { return m_duration; } | |
| 115 | |
| 116 enum { IterationCountInfinite = -1 }; | |
| 117 double iterationCount() const { return m_iterationCount; } | |
| 118 const String& name() const { return m_name; } | |
| 119 EAnimPlayState playState() const { return static_cast<EAnimPlayState>(m_play
State); } | |
| 120 CSSPropertyID property() const { return m_property; } | |
| 121 const PassRefPtr<TimingFunction> timingFunction() const { return m_timingFun
ction; } | |
| 122 AnimationMode animationMode() const { return m_mode; } | |
| 123 | |
| 124 void setDelay(double c) { m_delay = c; m_delaySet = true; } | |
| 125 void setDirection(AnimationDirection d) { m_direction = d; m_directionSet =
true; } | |
| 126 void setDuration(double d) { ASSERT(d >= 0); m_duration = d; m_durationSet =
true; } | |
| 127 void setFillMode(unsigned f) { m_fillMode = f; m_fillModeSet = true; } | |
| 128 void setIterationCount(double c) { m_iterationCount = c; m_iterationCountSet
= true; } | |
| 129 void setName(const String& n) { m_name = n; m_nameSet = true; } | |
| 130 void setPlayState(EAnimPlayState d) { m_playState = d; m_playStateSet = true
; } | |
| 131 void setProperty(CSSPropertyID t) { m_property = t; m_propertySet = true; } | |
| 132 void setTimingFunction(PassRefPtr<TimingFunction> f) { m_timingFunction = f;
m_timingFunctionSet = true; } | |
| 133 void setAnimationMode(AnimationMode mode) { m_mode = mode; } | |
| 134 | |
| 135 void setIsNoneAnimation(bool n) { m_isNone = n; } | |
| 136 | |
| 137 CSSAnimationData& operator=(const CSSAnimationData& o); | |
| 138 | |
| 139 // return true if all members of this class match (excluding m_next) | |
| 140 bool animationsMatch(const CSSAnimationData*, bool matchPlayStates = true) c
onst; | |
| 141 | |
| 142 // return true every CSSAnimationData in the chain (defined by m_next) match | |
| 143 bool operator==(const CSSAnimationData& o) const { return animationsMatch(&o
); } | |
| 144 bool operator!=(const CSSAnimationData& o) const { return !(*this == o); } | |
| 145 | |
| 146 bool fillsBackwards() const { return m_fillModeSet && (m_fillMode == Animati
onFillModeBackwards || m_fillMode == AnimationFillModeBoth); } | |
| 147 bool fillsForwards() const { return m_fillModeSet && (m_fillMode == Animatio
nFillModeForwards || m_fillMode == AnimationFillModeBoth); } | |
| 148 | |
| 149 private: | |
| 150 CSSAnimationData(); | |
| 151 CSSAnimationData(const CSSAnimationData& o); | |
| 152 | |
| 153 String m_name; | |
| 154 CSSPropertyID m_property; | |
| 155 AnimationMode m_mode; | |
| 156 double m_iterationCount; | |
| 157 double m_delay; | |
| 158 double m_duration; | |
| 159 RefPtr<TimingFunction> m_timingFunction; | |
| 160 unsigned m_direction : 2; // AnimationDirection | |
| 161 unsigned m_fillMode : 2; | |
| 162 | |
| 163 unsigned m_playState : 2; | |
| 164 | |
| 165 bool m_delaySet : 1; | |
| 166 bool m_directionSet : 1; | |
| 167 bool m_durationSet : 1; | |
| 168 bool m_fillModeSet : 1; | |
| 169 bool m_iterationCountSet : 1; | |
| 170 bool m_nameSet : 1; | |
| 171 bool m_playStateSet : 1; | |
| 172 bool m_propertySet : 1; | |
| 173 bool m_timingFunctionSet : 1; | |
| 174 | |
| 175 bool m_isNone : 1; | |
| 176 | |
| 177 public: | |
| 178 static double initialAnimationDelay() { return 0; } | |
| 179 static AnimationDirection initialAnimationDirection() { return AnimationDire
ctionNormal; } | |
| 180 static double initialAnimationDuration() { return 0; } | |
| 181 static unsigned initialAnimationFillMode() { return AnimationFillModeNone; } | |
| 182 static double initialAnimationIterationCount() { return 1.0; } | |
| 183 static const String& initialAnimationName(); | |
| 184 static EAnimPlayState initialAnimationPlayState() { return AnimPlayStatePlay
ing; } | |
| 185 static CSSPropertyID initialAnimationProperty() { return CSSPropertyInvalid;
} | |
| 186 static const PassRefPtr<TimingFunction> initialAnimationTimingFunction() { r
eturn CubicBezierTimingFunction::create(); } | |
| 187 }; | |
| 188 | |
| 189 } // namespace WebCore | |
| 190 | |
| 191 #endif // CSSAnimationData_h | |
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