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
|
/*
* 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 THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_DOCUMENT_TIMELINE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_DOCUMENT_TIMELINE_H_
#include <memory>
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/public/platform/task_type.h"
#include "third_party/blink/renderer/core/animation/animation_effect.h"
#include "third_party/blink/renderer/core/animation/animation_timeline.h"
#include "third_party/blink/renderer/core/animation/effect_model.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/platform/animation/compositor_animation_timeline.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/timer.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class Animation;
class AnimationEffect;
class Document;
class DocumentTimelineOptions;
// DocumentTimeline is constructed and owned by Document, and tied to its
// lifecycle.
class CORE_EXPORT DocumentTimeline : public AnimationTimeline {
DEFINE_WRAPPERTYPEINFO();
public:
class PlatformTiming : public GarbageCollectedFinalized<PlatformTiming> {
public:
// Calls DocumentTimeline's wake() method after duration seconds.
virtual void WakeAfter(double duration) = 0;
virtual void ServiceOnNextFrame() = 0;
virtual ~PlatformTiming() = default;
virtual void Trace(blink::Visitor* visitor) {}
};
static DocumentTimeline* Create(Document*,
TimeDelta origin_time = TimeDelta(),
PlatformTiming* = nullptr);
// Web Animations API IDL constructor
static DocumentTimeline* Create(ExecutionContext*,
const DocumentTimelineOptions*);
DocumentTimeline(Document*, TimeDelta origin_time, PlatformTiming*);
~DocumentTimeline() override = default;
bool IsDocumentTimeline() const final { return true; }
void ServiceAnimations(TimingUpdateReason);
void ScheduleNextService();
Animation* Play(AnimationEffect*);
HeapVector<Member<Animation>> getAnimations();
void AnimationAttached(Animation&);
bool IsActive();
bool HasPendingUpdates() const {
return !animations_needing_update_.IsEmpty();
}
wtf_size_t PendingAnimationsCount() const {
return animations_needing_update_.size();
}
TimeTicks ZeroTime();
double currentTime(bool& is_null) override;
double currentTime();
double CurrentTimeInternal(bool& is_null);
double CurrentTimeInternal();
double EffectiveTime();
void PauseAnimationsForTesting(double);
void SetAllCompositorPending(bool source_changed = false);
void SetOutdatedAnimation(Animation*);
void ClearOutdatedAnimation(Animation*);
bool HasOutdatedAnimation() const { return outdated_animation_count_ > 0; }
bool NeedsAnimationTimingUpdate();
void InvalidateKeyframeEffects(const TreeScope&);
void SetPlaybackRate(double);
double PlaybackRate() const;
CompositorAnimationTimeline* CompositorTimeline() const {
return compositor_timeline_.get();
}
Document* GetDocument() { return document_.Get(); }
void Wake();
void ResetForTesting();
bool HasAnimations() { return !animations_.IsEmpty(); }
void Trace(blink::Visitor*) override;
private:
Member<Document> document_;
// Origin time for the timeline relative to the time origin of the document.
// Provided when the timeline is constructed. See
// https://drafts.csswg.org/web-animations/#dom-documenttimelineoptions-origintime.
TimeDelta origin_time_;
// The origin time. This is computed by adding |origin_time_| to the time
// origin of the document.
TimeTicks zero_time_;
bool zero_time_initialized_;
unsigned outdated_animation_count_;
// Animations which will be updated on the next frame
// i.e. current, in effect, or had timing changed
HeapHashSet<Member<Animation>> animations_needing_update_;
HeapHashSet<WeakMember<Animation>> animations_;
double playback_rate_;
friend class SMILTimeContainer;
static const double kMinimumDelay;
Member<PlatformTiming> timing_;
double last_current_time_internal_;
std::unique_ptr<CompositorAnimationTimeline> compositor_timeline_;
class DocumentTimelineTiming final : public PlatformTiming {
public:
DocumentTimelineTiming(DocumentTimeline* timeline)
: timeline_(timeline),
timer_(timeline->GetDocument()->GetTaskRunner(
TaskType::kInternalDefault),
this,
&DocumentTimelineTiming::TimerFired) {
DCHECK(timeline_);
}
void WakeAfter(double duration) override;
void ServiceOnNextFrame() override;
void TimerFired(TimerBase*) { timeline_->Wake(); }
void Trace(blink::Visitor*) override;
private:
Member<DocumentTimeline> timeline_;
TaskRunnerTimer<DocumentTimelineTiming> timer_;
};
friend class AnimationDocumentTimelineTest;
};
DEFINE_TYPE_CASTS(DocumentTimeline,
AnimationTimeline,
timeline,
timeline->IsDocumentTimeline(),
timeline.IsDocumentTimeline());
} // namespace blink
#endif
|
