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 "wtf/PassRefPtr.h"
32 #include "wtf/RefCounted.h"
33 #include "wtf/text/WTFString.h"
37 class CSSAnimationData : public RefCounted<CSSAnimationData> {
41 static PassRefPtr<CSSAnimationData> create() { return adoptRef(new CSSAnimationData); }
42 static PassRefPtr<CSSAnimationData> create(const CSSAnimationData* o) { return adoptRef(new CSSAnimationData(*o)); }
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; }
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-separated lists
57 // of properties in sync. isValidAnimation means this is not a placeholder.
58 bool isValidAnimation() const { return !m_isNone && !m_name.isEmpty(); }
62 return (!m_directionSet && !m_durationSet && !m_fillModeSet
63 && !m_nameSet && !m_playStateSet && !m_iterationCountSet
64 && !m_delaySet && !m_timingFunctionSet && !m_propertySet);
67 void clearDelay() { m_delaySet = false; }
68 void clearDirection() { m_directionSet = false; }
69 void clearDuration() { m_durationSet = false; }
70 void clearFillMode() { m_fillModeSet = false; }
71 void clearIterationCount() { m_iterationCountSet = false; }
72 void clearName() { m_nameSet = false; }
73 void clearPlayState() { m_playStateSet = AnimPlayStatePlaying; }
74 void clearProperty() { m_propertySet = false; }
75 void clearTimingFunction() { m_timingFunctionSet = false; }
83 clearIterationCount();
87 clearTimingFunction();
90 double delay() const { return m_delay; }
98 enum AnimationDirection {
99 AnimationDirectionNormal,
100 AnimationDirectionAlternate,
101 AnimationDirectionReverse,
102 AnimationDirectionAlternateReverse
104 AnimationDirection direction() const { return static_cast<AnimationDirection>(m_direction); }
106 unsigned fillMode() const { return m_fillMode; }
108 double duration() const { return m_duration; }
110 enum { IterationCountInfinite = -1 };
111 double iterationCount() const { return m_iterationCount; }
112 const AtomicString& name() const { return m_name; }
113 EAnimPlayState playState() const { return static_cast<EAnimPlayState>(m_playState); }
114 CSSPropertyID property() const { return m_property; }
115 TimingFunction* timingFunction() const { return m_timingFunction.get(); }
116 AnimationMode animationMode() const { return m_mode; }
118 void setDelay(double c) { m_delay = c; m_delaySet = true; }
119 void setDirection(AnimationDirection d) { m_direction = d; m_directionSet = true; }
120 void setDuration(double d) { ASSERT(d >= 0); m_duration = d; m_durationSet = true; }
121 void setFillMode(unsigned f) { m_fillMode = f; m_fillModeSet = true; }
122 void setIterationCount(double c) { m_iterationCount = c; m_iterationCountSet = true; }
123 void setName(const AtomicString& n) { m_name = n; m_nameSet = true; }
124 void setPlayState(EAnimPlayState d) { m_playState = d; m_playStateSet = true; }
125 void setProperty(CSSPropertyID t) { m_property = t; m_propertySet = true; }
126 void setTimingFunction(PassRefPtr<TimingFunction> f) { m_timingFunction = f; m_timingFunctionSet = true; }
127 void setAnimationMode(AnimationMode mode) { m_mode = mode; }
129 void setIsNoneAnimation(bool n) { m_isNone = n; }
131 CSSAnimationData& operator=(const CSSAnimationData&);
133 // return true every CSSAnimationData in the chain (defined by m_next) match
134 bool operator==(const CSSAnimationData& o) const { return animationsMatchForStyleRecalc(&o); }
135 bool operator!=(const CSSAnimationData& o) const { return !(*this == o); }
139 explicit CSSAnimationData(const CSSAnimationData&);
141 // Return whether this object matches another CSSAnimationData object for
142 // the purposes of style recalc. This excludes some properties.
143 bool animationsMatchForStyleRecalc(const CSSAnimationData*) const;
146 CSSPropertyID m_property;
147 AnimationMode m_mode;
148 double m_iterationCount;
151 RefPtr<TimingFunction> m_timingFunction;
152 unsigned m_direction : 2; // AnimationDirection
153 unsigned m_fillMode : 2;
155 unsigned m_playState : 2;
157 unsigned m_delaySet : 1;
158 unsigned m_directionSet : 1;
159 unsigned m_durationSet : 1;
160 unsigned m_fillModeSet : 1;
161 unsigned m_iterationCountSet : 1;
162 unsigned m_nameSet : 1;
163 unsigned m_playStateSet : 1;
164 unsigned m_propertySet : 1;
165 unsigned m_timingFunctionSet : 1;
167 unsigned m_isNone : 1;
170 static double initialAnimationDelay() { return 0; }
171 static AnimationDirection initialAnimationDirection() { return AnimationDirectionNormal; }
172 static double initialAnimationDuration() { return 0; }
173 static unsigned initialAnimationFillMode() { return AnimationFillModeNone; }
174 static double initialAnimationIterationCount() { return 1.0; }
175 static const AtomicString& initialAnimationName();
176 static EAnimPlayState initialAnimationPlayState() { return AnimPlayStatePlaying; }
177 static CSSPropertyID initialAnimationProperty() { return CSSPropertyInvalid; }
178 static const PassRefPtr<TimingFunction> initialAnimationTimingFunction() { return CubicBezierTimingFunction::preset(CubicBezierTimingFunction::Ease); }
181 } // namespace WebCore
183 #endif // CSSAnimationData_h