1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
|
/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef AnimationPlayer_h
#define AnimationPlayer_h
#include "core/animation/AnimationNode.h"
#include "core/dom/ActiveDOMObject.h"
#include "core/events/EventTarget.h"
#include "wtf/RefPtr.h"
namespace WebCore {
class AnimationTimeline;
class ExceptionState;
class AnimationPlayer FINAL : public RefCountedWillBeRefCountedGarbageCollected<AnimationPlayer>
, public ActiveDOMObject
, public EventTargetWithInlineData {
REFCOUNTED_EVENT_TARGET(AnimationPlayer);
WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(AnimationPlayer);
public:
~AnimationPlayer();
static PassRefPtrWillBeRawPtr<AnimationPlayer> create(ExecutionContext*, AnimationTimeline&, AnimationNode*);
// Returns whether the player is finished.
bool update(TimingUpdateReason);
// timeToEffectChange returns:
// infinity - if this player is no longer in effect
// 0 - if this player requires an update on the next frame
// n - if this player requires an update after 'n' units of time
double timeToEffectChange();
void cancel();
double currentTime();
void setCurrentTime(double newCurrentTime);
double currentTimeInternal();
void setCurrentTimeInternal(double newCurrentTime);
bool paused() const { return m_paused && !m_isPausedForTesting; }
void pause();
void play();
void reverse();
void finish(ExceptionState&);
bool finished() { return limited(currentTimeInternal()); }
// FIXME: Resolve whether finished() should just return the flag, and
// remove this method.
bool finishedInternal() const { return m_finished; }
DEFINE_ATTRIBUTE_EVENT_LISTENER(finish);
virtual const AtomicString& interfaceName() const OVERRIDE;
virtual ExecutionContext* executionContext() const OVERRIDE;
virtual bool hasPendingActivity() const OVERRIDE;
virtual void stop() OVERRIDE;
virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) OVERRIDE;
double playbackRate() const { return m_playbackRate; }
void setPlaybackRate(double);
const AnimationTimeline* timeline() const { return m_timeline; }
AnimationTimeline* timeline() { return m_timeline; }
#if !ENABLE(OILPAN)
void timelineDestroyed() { m_timeline = nullptr; }
#endif
bool hasStartTime() const { return !isNull(m_startTime); }
double startTime() const { return m_startTime * 1000; }
double startTimeInternal() const { return m_startTime; }
void setStartTime(double startTime) { setStartTimeInternal(startTime / 1000); }
void setStartTimeInternal(double, bool isUpdateFromCompositor = false);
const AnimationNode* source() const { return m_content.get(); }
AnimationNode* source() { return m_content.get(); }
AnimationNode* source(bool& isNull) { isNull = !m_content; return m_content.get(); }
void setSource(AnimationNode*);
double timeLag() { return timeLagInternal() * 1000; }
double timeLagInternal() { return currentTimeWithoutLag() - currentTimeInternal(); }
// Pausing via this method is not reflected in the value returned by
// paused() and must never overlap with pausing via pause().
void pauseForTesting(double pauseTime);
// This should only be used for CSS
void unpause();
void setOutdated();
bool outdated() { return m_outdated; }
bool canStartAnimationOnCompositor();
bool maybeStartAnimationOnCompositor();
void cancelAnimationOnCompositor();
void schedulePendingAnimationOnCompositor();
bool hasActiveAnimationsOnCompositor();
class SortInfo {
public:
friend class AnimationPlayer;
bool operator<(const SortInfo& other) const;
double startTime() const { return m_startTime; }
private:
SortInfo(unsigned sequenceNumber, double startTime)
: m_sequenceNumber(sequenceNumber)
, m_startTime(startTime)
{
}
unsigned m_sequenceNumber;
double m_startTime;
};
const SortInfo& sortInfo() const { return m_sortInfo; }
static bool hasLowerPriority(AnimationPlayer* player1, AnimationPlayer* player2)
{
return player1->sortInfo() < player2->sortInfo();
}
#if !ENABLE(OILPAN)
// Checks if the AnimationStack is the last reference holder to the Player.
// This won't be needed when AnimationPlayer is moved to Oilpan.
bool canFree() const;
#endif
virtual bool addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture = false) OVERRIDE;
virtual void trace(Visitor*) OVERRIDE;
private:
AnimationPlayer(ExecutionContext*, AnimationTimeline&, AnimationNode*);
double sourceEnd() const;
bool limited(double currentTime) const;
double currentTimeWithoutLag() const;
double currentTimeWithLag() const;
void updateTimingState(double newCurrentTime);
void updateCurrentTimingState();
double m_playbackRate;
double m_startTime;
double m_holdTime;
double m_storedTimeLag;
SortInfo m_sortInfo;
RefPtrWillBeMember<AnimationNode> m_content;
RawPtrWillBeMember<AnimationTimeline> m_timeline;
// Reflects all pausing, including via pauseForTesting().
bool m_paused;
bool m_held;
bool m_isPausedForTesting;
// This indicates timing information relevant to the player has changed by
// means other than the ordinary progression of time
bool m_outdated;
bool m_finished;
// Holds a 'finished' event queued for asynchronous dispatch via the
// ScriptedAnimationController. This object remains active until the
// event is actually dispatched.
RefPtrWillBeMember<Event> m_pendingFinishedEvent;
};
} // namespace
#endif
|
