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Side by Side Diff: Source/core/platform/animation/CSSAnimationData.h

Issue 112463008: Move core/platform/animation files (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Add comments and platform tests Created 6 years, 11 months ago
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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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