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)
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.
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.
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.
25 #ifndef CSSAnimationData_h
26 #define CSSAnimationData_h
28 #include "CSSPropertyNames.h"
29 #include "core/rendering/style/RenderStyleConstants.h"
30 #include "platform/animation/TimingFunction.h"
31 #include "platform/heap/Handle.h"
32 #include "wtf/PassRefPtr.h"
33 #include "wtf/RefCounted.h"
34 #include "wtf/text/WTFString.h"
38 class CSSAnimationData FINAL : public RefCountedWillBeGarbageCollectedFinalized<CSSAnimationData> {
42 static PassRefPtrWillBeRawPtr<CSSAnimationData> create()
44 return adoptRefWillBeNoop(new CSSAnimationData);
47 static PassRefPtrWillBeRawPtr<CSSAnimationData> create(const CSSAnimationData* o)
49 return adoptRefWillBeNoop(new CSSAnimationData(*o));
52 bool isDelaySet() const { return m_delaySet; }
53 bool isDirectionSet() const { return m_directionSet; }
54 bool isDurationSet() const { return m_durationSet; }
55 bool isFillModeSet() const { return m_fillModeSet; }
56 bool isIterationCountSet() const { return m_iterationCountSet; }
57 bool isNameSet() const { return m_nameSet; }
58 bool isPlayStateSet() const { return m_playStateSet; }
59 bool isPropertySet() const { return m_propertySet; }
60 bool isTimingFunctionSet() const { return m_timingFunctionSet; }
62 // Flags this to be the special "none" animation (animation-name: none)
63 bool isNoneAnimation() const { return m_isNone; }
64 // We can make placeholder CSSAnimationData objects to keep the comma-separated lists
65 // of properties in sync. isValidAnimation means this is not a placeholder.
66 bool isValidAnimation() const { return !m_isNone && !m_name.isEmpty(); }
70 return (!m_directionSet && !m_durationSet && !m_fillModeSet
71 && !m_nameSet && !m_playStateSet && !m_iterationCountSet
72 && !m_delaySet && !m_timingFunctionSet && !m_propertySet);
75 void clearDelay() { m_delaySet = false; }
76 void clearDirection() { m_directionSet = false; }
77 void clearDuration() { m_durationSet = false; }
78 void clearFillMode() { m_fillModeSet = false; }
79 void clearIterationCount() { m_iterationCountSet = false; }
80 void clearName() { m_nameSet = false; }
81 void clearPlayState() { m_playStateSet = AnimPlayStatePlaying; }
82 void clearProperty() { m_propertySet = false; }
83 void clearTimingFunction() { m_timingFunctionSet = false; }
91 clearIterationCount();
95 clearTimingFunction();
98 double delay() const { return m_delay; }
103 AnimateSingleProperty
106 enum AnimationDirection {
107 AnimationDirectionNormal,
108 AnimationDirectionAlternate,
109 AnimationDirectionReverse,
110 AnimationDirectionAlternateReverse
112 AnimationDirection direction() const { return static_cast<AnimationDirection>(m_direction); }
114 unsigned fillMode() const { return m_fillMode; }
116 double duration() const { return m_duration; }
118 enum { IterationCountInfinite = -1 };
119 double iterationCount() const { return m_iterationCount; }
120 const AtomicString& name() const { return m_name; }
121 EAnimPlayState playState() const { return static_cast<EAnimPlayState>(m_playState); }
122 CSSPropertyID property() const { return m_property; }
123 TimingFunction* timingFunction() const { return m_timingFunction.get(); }
124 AnimationMode animationMode() const { return m_mode; }
126 void setDelay(double c) { m_delay = c; m_delaySet = true; }
127 void setDirection(AnimationDirection d) { m_direction = d; m_directionSet = true; }
128 void setDuration(double d) { ASSERT(d >= 0); m_duration = d; m_durationSet = true; }
129 void setFillMode(unsigned f) { m_fillMode = f; m_fillModeSet = true; }
130 void setIterationCount(double c) { m_iterationCount = c; m_iterationCountSet = true; }
131 void setName(const AtomicString& n) { m_name = n; m_nameSet = true; }
132 void setPlayState(EAnimPlayState d) { m_playState = d; m_playStateSet = true; }
133 void setProperty(CSSPropertyID t) { m_property = t; m_propertySet = true; }
134 void setTimingFunction(PassRefPtr<TimingFunction> f) { m_timingFunction = f; m_timingFunctionSet = true; }
135 void setAnimationMode(AnimationMode mode) { m_mode = mode; }
137 void setIsNoneAnimation(bool n) { m_isNone = n; }
139 CSSAnimationData& operator=(const CSSAnimationData&);
141 // return true every CSSAnimationData in the chain (defined by m_next) match
142 bool operator==(const CSSAnimationData& o) const { return animationsMatchForStyleRecalc(&o); }
143 bool operator!=(const CSSAnimationData& o) const { return !(*this == o); }
145 void trace(Visitor*) { }
149 explicit CSSAnimationData(const CSSAnimationData&);
151 // Return whether this object matches another CSSAnimationData object for
152 // the purposes of style recalc. This excludes some properties.
153 bool animationsMatchForStyleRecalc(const CSSAnimationData*) const;
156 CSSPropertyID m_property;
157 AnimationMode m_mode;
158 double m_iterationCount;
161 RefPtr<TimingFunction> m_timingFunction;
162 unsigned m_direction : 2; // AnimationDirection
163 unsigned m_fillMode : 2;
165 unsigned m_playState : 2;
167 unsigned m_delaySet : 1;
168 unsigned m_directionSet : 1;
169 unsigned m_durationSet : 1;
170 unsigned m_fillModeSet : 1;
171 unsigned m_iterationCountSet : 1;
172 unsigned m_nameSet : 1;
173 unsigned m_playStateSet : 1;
174 unsigned m_propertySet : 1;
175 unsigned m_timingFunctionSet : 1;
177 unsigned m_isNone : 1;
180 static double initialAnimationDelay() { return 0; }
181 static AnimationDirection initialAnimationDirection() { return AnimationDirectionNormal; }
182 static double initialAnimationDuration() { return 0; }
183 static unsigned initialAnimationFillMode() { return AnimationFillModeNone; }
184 static double initialAnimationIterationCount() { return 1.0; }
185 static const AtomicString& initialAnimationName();
186 static EAnimPlayState initialAnimationPlayState() { return AnimPlayStatePlaying; }
187 static CSSPropertyID initialAnimationProperty() { return CSSPropertyInvalid; }
188 static const PassRefPtr<TimingFunction> initialAnimationTimingFunction() { return CubicBezierTimingFunction::preset(CubicBezierTimingFunction::Ease); }
191 } // namespace WebCore
193 #endif // CSSAnimationData_h