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
|
/*
* 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.
*/
#include "config.h"
#include "core/animation/CompositorPendingAnimations.h"
#include "core/animation/Animation.h"
#include "core/animation/AnimationTimeline.h"
#include "core/frame/FrameView.h"
#include "core/page/Page.h"
#include "core/rendering/RenderLayer.h"
namespace WebCore {
void CompositorPendingAnimations::add(AnimationPlayer* player)
{
Page* page = player->timeline()->document()->page();
bool visible = page && page->visibilityState() == PageVisibilityStateVisible;
if (!player->hasStartTime() && !visible)
player->setStartTimeInternal(player->timeline()->currentTimeInternal(), true);
m_pending.append(player);
}
bool CompositorPendingAnimations::startPendingAnimations()
{
bool startedSynchronizedOnCompositor = false;
for (size_t i = 0; i < m_pending.size(); ++i) {
if (!m_pending[i]->hasActiveAnimationsOnCompositor() && m_pending[i]->maybeStartAnimationOnCompositor() && !m_pending[i]->hasStartTime())
startedSynchronizedOnCompositor = true;
}
// If any synchronized animations were started on the compositor, all
// remaning synchronized animations need to wait for the synchronized
// start time. Otherwise they may start immediately.
if (startedSynchronizedOnCompositor) {
for (size_t i = 0; i < m_pending.size(); ++i) {
if (!m_pending[i]->hasStartTime()) {
m_waitingForCompositorAnimationStart.append(m_pending[i]);
}
}
} else {
for (size_t i = 0; i < m_pending.size(); ++i) {
if (!m_pending[i]->hasStartTime()) {
m_pending[i]->setStartTimeInternal(m_pending[i]->timeline()->currentTimeInternal(), true);
}
}
}
m_pending.clear();
if (startedSynchronizedOnCompositor || m_waitingForCompositorAnimationStart.isEmpty())
return !m_waitingForCompositorAnimationStart.isEmpty();
// Check if we're still waiting for any compositor animations to start.
for (size_t i = 0; i < m_waitingForCompositorAnimationStart.size(); ++i) {
if (m_waitingForCompositorAnimationStart[i].get()->hasActiveAnimationsOnCompositor())
return true;
}
// If not, go ahead and start any animations that were waiting.
notifyCompositorAnimationStarted(monotonicallyIncreasingTime());
return false;
}
void CompositorPendingAnimations::notifyCompositorAnimationStarted(double monotonicAnimationStartTime)
{
for (size_t i = 0; i < m_waitingForCompositorAnimationStart.size(); ++i) {
AnimationPlayer* player = m_waitingForCompositorAnimationStart[i].get();
player->setStartTimeInternal(monotonicAnimationStartTime - player->timeline()->zeroTime(), true);
}
m_waitingForCompositorAnimationStart.clear();
}
void CompositorPendingAnimations::trace(Visitor* visitor)
{
visitor->trace(m_pending);
visitor->trace(m_waitingForCompositorAnimationStart);
}
} // namespace
|
