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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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54 static inline bool isNull(double value) | 54 static inline bool isNull(double value) |
55 { | 55 { |
56 return std::isnan(value); | 56 return std::isnan(value); |
57 } | 57 } |
58 | 58 |
59 static inline double nullValue() | 59 static inline double nullValue() |
60 { | 60 { |
61 return std::numeric_limits<double>::quiet_NaN(); | 61 return std::numeric_limits<double>::quiet_NaN(); |
62 } | 62 } |
63 | 63 |
64 class CORE_EXPORT AnimationEffect : public RefCountedWillBeGarbageCollectedFinal
ized<AnimationEffect>, public ScriptWrappable { | 64 class CORE_EXPORT AnimationEffect : public GarbageCollectedFinalized<AnimationEf
fect>, public ScriptWrappable { |
65 DEFINE_WRAPPERTYPEINFO(); | 65 DEFINE_WRAPPERTYPEINFO(); |
66 friend class Animation; // Calls attach/detach, updateInheritedTime. | 66 friend class Animation; // Calls attach/detach, updateInheritedTime. |
67 public: | 67 public: |
68 // Note that logic in CSSAnimations depends on the order of these values. | 68 // Note that logic in CSSAnimations depends on the order of these values. |
69 enum Phase { | 69 enum Phase { |
70 PhaseBefore, | 70 PhaseBefore, |
71 PhaseActive, | 71 PhaseActive, |
72 PhaseAfter, | 72 PhaseAfter, |
73 PhaseNone, | 73 PhaseNone, |
74 }; | 74 }; |
75 | 75 |
76 class EventDelegate : public NoBaseWillBeGarbageCollectedFinalized<EventDele
gate> { | 76 class EventDelegate : public GarbageCollectedFinalized<EventDelegate> { |
77 public: | 77 public: |
78 virtual ~EventDelegate() { } | 78 virtual ~EventDelegate() { } |
79 virtual bool requiresIterationEvents(const AnimationEffect&) = 0; | 79 virtual bool requiresIterationEvents(const AnimationEffect&) = 0; |
80 virtual void onEventCondition(const AnimationEffect&) = 0; | 80 virtual void onEventCondition(const AnimationEffect&) = 0; |
81 DEFINE_INLINE_VIRTUAL_TRACE() { } | 81 DEFINE_INLINE_VIRTUAL_TRACE() { } |
82 }; | 82 }; |
83 | 83 |
84 virtual ~AnimationEffect() { } | 84 virtual ~AnimationEffect() { } |
85 | 85 |
86 virtual bool isAnimation() const { return false; } | 86 virtual bool isAnimation() const { return false; } |
87 | 87 |
88 Phase phase() const { return ensureCalculated().phase; } | 88 Phase phase() const { return ensureCalculated().phase; } |
89 bool isCurrent() const { return ensureCalculated().isCurrent; } | 89 bool isCurrent() const { return ensureCalculated().isCurrent; } |
90 bool isInEffect() const { return ensureCalculated().isInEffect; } | 90 bool isInEffect() const { return ensureCalculated().isInEffect; } |
91 bool isInPlay() const { return ensureCalculated().isInPlay; } | 91 bool isInPlay() const { return ensureCalculated().isInPlay; } |
92 double currentIteration() const { return ensureCalculated().currentIteration
; } | 92 double currentIteration() const { return ensureCalculated().currentIteration
; } |
93 double timeFraction() const { return ensureCalculated().timeFraction; } | 93 double timeFraction() const { return ensureCalculated().timeFraction; } |
94 double timeToForwardsEffectChange() const { return ensureCalculated().timeTo
ForwardsEffectChange; } | 94 double timeToForwardsEffectChange() const { return ensureCalculated().timeTo
ForwardsEffectChange; } |
95 double timeToReverseEffectChange() const { return ensureCalculated().timeToR
everseEffectChange; } | 95 double timeToReverseEffectChange() const { return ensureCalculated().timeToR
everseEffectChange; } |
96 | 96 |
97 double iterationDuration() const; | 97 double iterationDuration() const; |
98 double activeDurationInternal() const; | 98 double activeDurationInternal() const; |
99 double startTimeInternal() const { return m_startTime; } | 99 double startTimeInternal() const { return m_startTime; } |
100 double endTimeInternal() const { return std::max(startTimeInternal(), startT
imeInternal() + specifiedTiming().startDelay + activeDurationInternal() + specif
iedTiming().endDelay); } | 100 double endTimeInternal() const { return std::max(startTimeInternal(), startT
imeInternal() + specifiedTiming().startDelay + activeDurationInternal() + specif
iedTiming().endDelay); } |
101 | 101 |
102 const Animation* animation() const { return m_animation; } | 102 const Animation* animation() const { return m_animation; } |
103 Animation* animation() { return m_animation; } | 103 Animation* animation() { return m_animation; } |
104 const Timing& specifiedTiming() const { return m_timing; } | 104 const Timing& specifiedTiming() const { return m_timing; } |
105 PassRefPtrWillBeRawPtr<AnimationEffectTiming> timing(); | 105 AnimationEffectTiming* timing(); |
106 void updateSpecifiedTiming(const Timing&); | 106 void updateSpecifiedTiming(const Timing&); |
107 | 107 |
108 void computedTiming(ComputedTimingProperties&); | 108 void computedTiming(ComputedTimingProperties&); |
109 ComputedTimingProperties computedTiming(); | 109 ComputedTimingProperties computedTiming(); |
110 | 110 |
111 void setName(const String& name) { m_name = name; } | 111 void setName(const String& name) { m_name = name; } |
112 const String& name() const { return m_name; } | 112 const String& name() const { return m_name; } |
113 | 113 |
114 DECLARE_VIRTUAL_TRACE(); | 114 DECLARE_VIRTUAL_TRACE(); |
115 | 115 |
116 protected: | 116 protected: |
117 explicit AnimationEffect(const Timing&, PassOwnPtrWillBeRawPtr<EventDelegate
> = nullptr); | 117 explicit AnimationEffect(const Timing&, EventDelegate* = nullptr); |
118 | 118 |
119 // When AnimationEffect receives a new inherited time via updateInheritedTim
e | 119 // When AnimationEffect receives a new inherited time via updateInheritedTim
e |
120 // it will (if necessary) recalculate timings and (if necessary) call | 120 // it will (if necessary) recalculate timings and (if necessary) call |
121 // updateChildrenAndEffects. | 121 // updateChildrenAndEffects. |
122 void updateInheritedTime(double inheritedTime, TimingUpdateReason) const; | 122 void updateInheritedTime(double inheritedTime, TimingUpdateReason) const; |
123 void invalidate() const { m_needsUpdate = true; }; | 123 void invalidate() const { m_needsUpdate = true; }; |
124 bool requiresIterationEvents() const { return m_eventDelegate && m_eventDele
gate->requiresIterationEvents(*this); } | 124 bool requiresIterationEvents() const { return m_eventDelegate && m_eventDele
gate->requiresIterationEvents(*this); } |
125 void clearEventDelegate() { m_eventDelegate = nullptr; } | 125 void clearEventDelegate() { m_eventDelegate = nullptr; } |
126 | 126 |
127 virtual void attach(Animation* animation) | 127 virtual void attach(Animation* animation) |
128 { | 128 { |
129 m_animation = animation; | 129 m_animation = animation; |
130 } | 130 } |
131 | 131 |
132 virtual void detach() | 132 virtual void detach() |
133 { | 133 { |
134 ASSERT(m_animation); | 134 ASSERT(m_animation); |
135 m_animation = nullptr; | 135 m_animation = nullptr; |
136 } | 136 } |
137 | 137 |
138 double repeatedDuration() const; | 138 double repeatedDuration() const; |
139 | 139 |
140 virtual void updateChildrenAndEffects() const = 0; | 140 virtual void updateChildrenAndEffects() const = 0; |
141 virtual double intrinsicIterationDuration() const { return 0; }; | 141 virtual double intrinsicIterationDuration() const { return 0; }; |
142 virtual double calculateTimeToEffectChange(bool forwards, double localTime,
double timeToNextIteration) const = 0; | 142 virtual double calculateTimeToEffectChange(bool forwards, double localTime,
double timeToNextIteration) const = 0; |
143 virtual void specifiedTimingChanged() { } | 143 virtual void specifiedTimingChanged() { } |
144 | 144 |
145 // FIXME: m_parent and m_startTime are placeholders, they depend on timing g
roups. | 145 // FIXME: m_parent and m_startTime are placeholders, they depend on timing g
roups. |
146 RawPtrWillBeMember<AnimationEffect> m_parent; | 146 Member<AnimationEffect> m_parent; |
147 const double m_startTime; | 147 const double m_startTime; |
148 RawPtrWillBeMember<Animation> m_animation; | 148 Member<Animation> m_animation; |
149 Timing m_timing; | 149 Timing m_timing; |
150 OwnPtrWillBeMember<EventDelegate> m_eventDelegate; | 150 Member<EventDelegate> m_eventDelegate; |
151 | 151 |
152 mutable struct CalculatedTiming { | 152 mutable struct CalculatedTiming { |
153 Phase phase; | 153 Phase phase; |
154 double currentIteration; | 154 double currentIteration; |
155 double timeFraction; | 155 double timeFraction; |
156 bool isCurrent; | 156 bool isCurrent; |
157 bool isInEffect; | 157 bool isInEffect; |
158 bool isInPlay; | 158 bool isInPlay; |
159 double localTime; | 159 double localTime; |
160 double timeToForwardsEffectChange; | 160 double timeToForwardsEffectChange; |
161 double timeToReverseEffectChange; | 161 double timeToReverseEffectChange; |
162 } m_calculated; | 162 } m_calculated; |
163 mutable bool m_needsUpdate; | 163 mutable bool m_needsUpdate; |
164 mutable double m_lastUpdateTime; | 164 mutable double m_lastUpdateTime; |
165 String m_name; | 165 String m_name; |
166 | 166 |
167 const CalculatedTiming& ensureCalculated() const; | 167 const CalculatedTiming& ensureCalculated() const; |
168 }; | 168 }; |
169 | 169 |
170 } // namespace blink | 170 } // namespace blink |
171 | 171 |
172 #endif // AnimationEffect_h | 172 #endif // AnimationEffect_h |
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