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
|
/*
* Copyright (C) 2025 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
*/
#include "config.h"
#include "ModelPlayerAnimationState.h"
namespace WebCore {
ModelPlayerAnimationState::ModelPlayerAnimationState(bool autoplay, bool loop, bool paused, Seconds duration, std::optional<double> effectivePlaybackRate, std::optional<Seconds> lastCachedCurrentTime, std::optional<MonotonicTime> lastCachedClockTimestamp)
: m_autoplay(autoplay)
, m_loop(loop)
, m_paused(paused)
, m_duration(duration)
, m_effectivePlaybackRate(effectivePlaybackRate)
, m_lastCachedCurrentTime(lastCachedCurrentTime)
, m_lastCachedClockTimestamp(lastCachedClockTimestamp)
{
}
bool ModelPlayerAnimationState::autoplay() const
{
return m_autoplay;
}
void ModelPlayerAnimationState::setAutoplay(bool autoplay)
{
m_autoplay = autoplay;
}
bool ModelPlayerAnimationState::loop() const
{
return m_loop;
}
void ModelPlayerAnimationState::setLoop(bool loop)
{
m_loop = loop;
}
bool ModelPlayerAnimationState::paused() const
{
return m_paused;
}
void ModelPlayerAnimationState::setPaused(bool paused)
{
m_paused = paused;
}
Seconds ModelPlayerAnimationState::duration() const
{
return m_duration;
}
void ModelPlayerAnimationState::setDuration(Seconds duration)
{
m_duration = duration;
}
std::optional<double> ModelPlayerAnimationState::effectivePlaybackRate() const
{
return m_effectivePlaybackRate;
}
void ModelPlayerAnimationState::setPlaybackRate(double playbackRate)
{
// FIXME (280081): Support negative playback rate
m_effectivePlaybackRate = fmax(playbackRate, 0);
}
std::optional<Seconds> ModelPlayerAnimationState::lastCachedCurrentTime() const
{
return m_lastCachedCurrentTime;
}
std::optional<MonotonicTime> ModelPlayerAnimationState::lastCachedClockTimestamp() const
{
return m_lastCachedClockTimestamp;
}
Seconds ModelPlayerAnimationState::currentTime() const
{
if (!m_duration || !m_lastCachedCurrentTime || !m_lastCachedClockTimestamp)
return 0_s;
Seconds lastCachedCurrentTime = *m_lastCachedCurrentTime;
if (m_paused)
return lastCachedCurrentTime;
// Approximate based on last cached animation time, clock timestamp, and playbackRate
MonotonicTime lastCachedTimestamp = *m_lastCachedClockTimestamp;
double playbackRate = m_effectivePlaybackRate ? *m_effectivePlaybackRate : 1.0;
Seconds timePassedSinceLastSync = MonotonicTime::now() - lastCachedTimestamp;
Seconds animationTimePassed = Seconds::fromMilliseconds(floor((timePassedSinceLastSync * playbackRate).milliseconds()));
Seconds estimatedCurrentTime = lastCachedCurrentTime + animationTimePassed;
if (estimatedCurrentTime > m_duration)
estimatedCurrentTime = m_loop ? estimatedCurrentTime % m_duration : m_duration;
return estimatedCurrentTime;
}
void ModelPlayerAnimationState::setCurrentTime(Seconds currentTime, MonotonicTime clockTimestamp)
{
m_lastCachedCurrentTime = currentTime;
m_lastCachedClockTimestamp = clockTimestamp;
}
}
|
