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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 AtomicString& name() const { return m_name; } | |
119 EAnimPlayState playState() const { return static_cast<EAnimPlayState>(m_play
State); } | |
120 CSSPropertyID property() const { return m_property; } | |
121 TimingFunction* timingFunction() const { return m_timingFunction.get(); } | |
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 AtomicString& 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 every CSSAnimationData in the chain (defined by m_next) match | |
140 bool operator==(const CSSAnimationData& o) const { return animationsMatchFor
StyleRecalc(&o); } | |
141 bool operator!=(const CSSAnimationData& o) const { return !(*this == o); } | |
142 | |
143 bool fillsBackwards() const { return m_fillModeSet && (m_fillMode == Animati
onFillModeBackwards || m_fillMode == AnimationFillModeBoth); } | |
144 bool fillsForwards() const { return m_fillModeSet && (m_fillMode == Animatio
nFillModeForwards || m_fillMode == AnimationFillModeBoth); } | |
145 | |
146 private: | |
147 CSSAnimationData(); | |
148 explicit CSSAnimationData(const CSSAnimationData&); | |
149 | |
150 // Return whether this object matches another CSSAnimationData object for | |
151 // the purposes of style recalc. This excludes some properties. | |
152 bool animationsMatchForStyleRecalc(const CSSAnimationData*) const; | |
153 | |
154 AtomicString m_name; | |
155 CSSPropertyID m_property; | |
156 AnimationMode m_mode; | |
157 double m_iterationCount; | |
158 double m_delay; | |
159 double m_duration; | |
160 RefPtr<TimingFunction> m_timingFunction; | |
161 unsigned m_direction : 2; // AnimationDirection | |
162 unsigned m_fillMode : 2; | |
163 | |
164 unsigned m_playState : 2; | |
165 | |
166 bool m_delaySet : 1; | |
167 bool m_directionSet : 1; | |
168 bool m_durationSet : 1; | |
169 bool m_fillModeSet : 1; | |
170 bool m_iterationCountSet : 1; | |
171 bool m_nameSet : 1; | |
172 bool m_playStateSet : 1; | |
173 bool m_propertySet : 1; | |
174 bool m_timingFunctionSet : 1; | |
175 | |
176 bool m_isNone : 1; | |
177 | |
178 public: | |
179 static double initialAnimationDelay() { return 0; } | |
180 static AnimationDirection initialAnimationDirection() { return AnimationDire
ctionNormal; } | |
181 static double initialAnimationDuration() { return 0; } | |
182 static unsigned initialAnimationFillMode() { return AnimationFillModeNone; } | |
183 static double initialAnimationIterationCount() { return 1.0; } | |
184 static const AtomicString& initialAnimationName(); | |
185 static EAnimPlayState initialAnimationPlayState() { return AnimPlayStatePlay
ing; } | |
186 static CSSPropertyID initialAnimationProperty() { return CSSPropertyInvalid;
} | |
187 static const PassRefPtr<TimingFunction> initialAnimationTimingFunction() { r
eturn CubicBezierTimingFunction::preset(CubicBezierTimingFunction::Ease); } | |
188 }; | |
189 | |
190 } // namespace WebCore | |
191 | |
192 #endif // CSSAnimationData_h | |
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