blob: e5db5ecd5e50e3016dd2ded3366b2df63e14eade (
plain)
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
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/compositor/layer_animation_observer.h"
#include "ui/compositor/layer_animation_sequence.h"
namespace ui {
////////////////////////////////////////////////////////////////////////////////
// LayerAnimationObserver
LayerAnimationObserver::LayerAnimationObserver() {
}
LayerAnimationObserver::~LayerAnimationObserver() {
StopObserving();
}
void LayerAnimationObserver::OnLayerAnimationStarted(
LayerAnimationSequence* sequence) {}
bool LayerAnimationObserver::RequiresNotificationWhenAnimatorDestroyed() const {
return false;
}
void LayerAnimationObserver::OnAttachedToSequence(
LayerAnimationSequence* sequence) {
}
void LayerAnimationObserver::OnDetachedFromSequence(
LayerAnimationSequence* sequence) {
}
void LayerAnimationObserver::StopObserving() {
while (!attached_sequences_.empty()) {
LayerAnimationSequence* sequence = *attached_sequences_.begin();
sequence->RemoveObserver(this);
}
}
void LayerAnimationObserver::AttachedToSequence(
LayerAnimationSequence* sequence) {
DCHECK(attached_sequences_.find(sequence) == attached_sequences_.end());
attached_sequences_.insert(sequence);
OnAttachedToSequence(sequence);
}
void LayerAnimationObserver::DetachedFromSequence(
LayerAnimationSequence* sequence, bool send_notification) {
if (attached_sequences_.find(sequence) != attached_sequences_.end())
attached_sequences_.erase(sequence);
if (send_notification)
OnDetachedFromSequence(sequence);
}
////////////////////////////////////////////////////////////////////////////////
// ImplicitAnimationObserver
ImplicitAnimationObserver::ImplicitAnimationObserver()
: active_(false),
destroyed_(NULL),
first_sequence_scheduled_(false) {
}
ImplicitAnimationObserver::~ImplicitAnimationObserver() {
if (destroyed_)
*destroyed_ = true;
}
void ImplicitAnimationObserver::SetActive(bool active) {
active_ = active;
CheckCompleted();
}
void ImplicitAnimationObserver::StopObservingImplicitAnimations() {
SetActive(false);
StopObserving();
}
bool ImplicitAnimationObserver::WasAnimationAbortedForProperty(
LayerAnimationElement::AnimatableProperty property) const {
return AnimationStatusForProperty(property) == ANIMATION_STATUS_ABORTED;
}
bool ImplicitAnimationObserver::WasAnimationCompletedForProperty(
LayerAnimationElement::AnimatableProperty property) const {
return AnimationStatusForProperty(property) == ANIMATION_STATUS_COMPLETED;
}
void ImplicitAnimationObserver::OnLayerAnimationEnded(
LayerAnimationSequence* sequence) {
UpdatePropertyAnimationStatus(sequence, ANIMATION_STATUS_COMPLETED);
bool destroyed = false;
destroyed_ = &destroyed;
sequence->RemoveObserver(this);
if (destroyed)
return;
destroyed_ = NULL;
DCHECK(attached_sequences().find(sequence) == attached_sequences().end());
CheckCompleted();
}
void ImplicitAnimationObserver::OnLayerAnimationAborted(
LayerAnimationSequence* sequence) {
UpdatePropertyAnimationStatus(sequence, ANIMATION_STATUS_ABORTED);
bool destroyed = false;
destroyed_ = &destroyed;
sequence->RemoveObserver(this);
if (destroyed)
return;
destroyed_ = NULL;
DCHECK(attached_sequences().find(sequence) == attached_sequences().end());
CheckCompleted();
}
void ImplicitAnimationObserver::OnLayerAnimationScheduled(
LayerAnimationSequence* sequence) {
if (!first_sequence_scheduled_) {
first_sequence_scheduled_ = true;
OnImplicitAnimationsScheduled();
}
}
void ImplicitAnimationObserver::OnAttachedToSequence(
LayerAnimationSequence* sequence) {
}
void ImplicitAnimationObserver::OnDetachedFromSequence(
LayerAnimationSequence* sequence) {
DCHECK(attached_sequences().find(sequence) == attached_sequences().end());
CheckCompleted();
}
void ImplicitAnimationObserver::CheckCompleted() {
if (active_ && attached_sequences().empty()) {
active_ = false;
OnImplicitAnimationsCompleted();
}
}
void ImplicitAnimationObserver::UpdatePropertyAnimationStatus(
LayerAnimationSequence* sequence,
AnimationStatus status) {
LayerAnimationElement::AnimatableProperties properties =
sequence->properties();
for (unsigned i = LayerAnimationElement::FIRST_PROPERTY;
i != LayerAnimationElement::SENTINEL;
i = i << 1) {
if (i & properties) {
LayerAnimationElement::AnimatableProperty property =
static_cast<LayerAnimationElement::AnimatableProperty>(i);
property_animation_status_[property] = status;
}
}
}
ImplicitAnimationObserver::AnimationStatus
ImplicitAnimationObserver::AnimationStatusForProperty(
LayerAnimationElement::AnimatableProperty property) const {
PropertyAnimationStatusMap::const_iterator iter =
property_animation_status_.find(property);
return iter == property_animation_status_.end() ? ANIMATION_STATUS_UNKNOWN :
iter->second;
}
} // namespace ui
|