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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/shelf/home_button_tap_overlay.h"
#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include "ash/public/cpp/shelf_types.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/shelf/home_button.h"
#include "ash/shelf/shelf.h"
#include "ash/shelf/shelf_view.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/style/ash_color_id.h"
#include "ash/system/tray/tray_popup_utils.h"
#include "base/command_line.h"
#include "base/metrics/user_metrics.h"
#include "base/metrics/user_metrics_action.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/compositor/callback_layer_animation_observer.h"
#include "ui/compositor/layer_animation_element.h"
#include "ui/compositor/layer_animation_observer.h"
#include "ui/compositor/layer_animation_sequence.h"
#include "ui/compositor/layer_animator.h"
#include "ui/compositor/paint_context.h"
#include "ui/compositor/paint_recorder.h"
#include "ui/compositor/scoped_layer_animation_settings.h"
#include "ui/gfx/animation/linear_animation.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/image/canvas_image_source.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/gfx/scoped_canvas.h"
#include "ui/gfx/skia_paint_util.h"
#include "ui/views/animation/flood_fill_ink_drop_ripple.h"
#include "ui/views/animation/ink_drop_impl.h"
#include "ui/views/animation/ink_drop_mask.h"
#include "ui/views/animation/ink_drop_painted_layer_delegates.h"
#include "ui/views/painter.h"
#include "ui/views/widget/widget.h"
namespace ash {
namespace {
constexpr int kFullRetractDurationMs = 300;
constexpr int kFullBurstDurationMs = 200;
constexpr float kRippleCircleInitRadiusDip = 40.f;
constexpr float kRippleCircleStartRadiusDip = 1.f;
constexpr float kRippleCircleRadiusDip = 77.f;
constexpr float kRippleCircleBurstRadiusDip = 96.f;
constexpr int kRippleExpandDurationMs = 400;
constexpr int kRippleOpacityDurationMs = 100;
constexpr int kRippleOpacityRetractDurationMs = 200;
constexpr float kRippleOpacity = 0.2f;
constexpr int kHideDurationMs = 200;
} // namespace
HomeButtonTapOverlay::HomeButtonTapOverlay(HomeButton* host_view)
: ripple_layer_(std::make_unique<ui::Layer>()),
host_view_(host_view),
circle_layer_delegate_(gfx::kPlaceholderColor,
kRippleCircleInitRadiusDip) {
SetPaintToLayer(ui::LAYER_NOT_DRAWN);
layer()->SetName("HomeButtonTapOverlay:ROOT_LAYER");
layer()->SetMasksToBounds(false);
ripple_layer_->SetBounds(gfx::Rect(0, 0, kRippleCircleInitRadiusDip * 2,
kRippleCircleInitRadiusDip * 2));
ripple_layer_->set_delegate(&circle_layer_delegate_);
ripple_layer_->SetFillsBoundsOpaquely(false);
ripple_layer_->SetMasksToBounds(true);
ripple_layer_->SetName("HomeButtonTapOverlay:PAINTED_LAYER");
layer()->Add(ripple_layer_.get());
}
HomeButtonTapOverlay::~HomeButtonTapOverlay() {
StopObservingImplicitAnimations();
}
void HomeButtonTapOverlay::StartAnimation() {
animation_state_ = AnimationState::STARTING;
SetVisible(true);
// Remove clip_rect from host_view_ and its ancestors as the animation goes
// beyond its size. We delete the object once end/hide/burst animation ends
// which will follow this starting animation.
scoped_no_clip_rect_ = host_view_->CreateScopedNoClipRect();
// Setup ripple initial state.
ripple_layer_->SetOpacity(0);
SkScalar scale_factor =
kRippleCircleStartRadiusDip / kRippleCircleInitRadiusDip;
gfx::Transform transform;
const gfx::PointF center = host_view_->GetCenterPoint();
transform.Translate(center.x() - kRippleCircleStartRadiusDip,
center.y() - kRippleCircleStartRadiusDip);
transform.Scale(scale_factor, scale_factor);
ripple_layer_->SetTransform(transform);
// Setup ripple animations.
{
scale_factor = kRippleCircleRadiusDip / kRippleCircleInitRadiusDip;
transform.MakeIdentity();
transform.Translate(center.x() - kRippleCircleRadiusDip,
center.y() - kRippleCircleRadiusDip);
transform.Scale(scale_factor, scale_factor);
ui::ScopedLayerAnimationSettings settings(ripple_layer_->GetAnimator());
settings.SetTransitionDuration(base::Milliseconds(kRippleExpandDurationMs));
settings.SetTweenType(gfx::Tween::FAST_OUT_SLOW_IN_2);
ripple_layer_->SetTransform(transform);
settings.SetTransitionDuration(
base::Milliseconds(kRippleOpacityDurationMs));
ripple_layer_->SetOpacity(kRippleOpacity);
}
}
void HomeButtonTapOverlay::BurstAnimation() {
animation_state_ = AnimationState::BURSTING;
const gfx::PointF center = host_view_->GetCenterPoint();
gfx::Transform transform;
// Setup ripple animations.
{
SkScalar scale_factor =
kRippleCircleBurstRadiusDip / kRippleCircleInitRadiusDip;
transform.Translate(center.x() - kRippleCircleBurstRadiusDip,
center.y() - kRippleCircleBurstRadiusDip);
transform.Scale(scale_factor, scale_factor);
ui::ScopedLayerAnimationSettings settings(ripple_layer_->GetAnimator());
settings.SetTransitionDuration(base::Milliseconds(kFullBurstDurationMs));
settings.SetTweenType(gfx::Tween::LINEAR_OUT_SLOW_IN);
settings.SetPreemptionStrategy(
ui::LayerAnimator::PreemptionStrategy::ENQUEUE_NEW_ANIMATION);
settings.AddObserver(this);
ripple_layer_->SetTransform(transform);
ripple_layer_->SetOpacity(0);
}
}
void HomeButtonTapOverlay::EndAnimation() {
if (IsBursting() || IsHidden()) {
// Too late, user action already fired, we have to finish what's started.
// Or the widget has already been hidden, no need to play the end animation.
return;
}
// Play reverse animation
// Setup ripple animations.
SkScalar scale_factor =
kRippleCircleStartRadiusDip / kRippleCircleInitRadiusDip;
gfx::Transform transform;
const gfx::PointF center = host_view_->GetCenterPoint();
transform.Translate(center.x() - kRippleCircleStartRadiusDip,
center.y() - kRippleCircleStartRadiusDip);
transform.Scale(scale_factor, scale_factor);
{
ui::ScopedLayerAnimationSettings settings(ripple_layer_->GetAnimator());
settings.SetPreemptionStrategy(ui::LayerAnimator::PreemptionStrategy::
IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
settings.SetTransitionDuration(base::Milliseconds(kFullRetractDurationMs));
settings.SetTweenType(gfx::Tween::SLOW_OUT_LINEAR_IN);
settings.AddObserver(this);
ripple_layer_->SetTransform(transform);
settings.SetTransitionDuration(
base::Milliseconds(kRippleOpacityRetractDurationMs));
ripple_layer_->SetOpacity(0);
}
}
void HomeButtonTapOverlay::HideAnimation() {
animation_state_ = AnimationState::HIDDEN;
// Setup ripple animations.
{
ui::ScopedLayerAnimationSettings settings(ripple_layer_->GetAnimator());
settings.SetTransitionDuration(base::Milliseconds(kHideDurationMs));
settings.SetTweenType(gfx::Tween::LINEAR_OUT_SLOW_IN);
settings.SetPreemptionStrategy(
ui::LayerAnimator::PreemptionStrategy::ENQUEUE_NEW_ANIMATION);
settings.AddObserver(this);
ripple_layer_->SetOpacity(0);
}
}
void HomeButtonTapOverlay::OnThemeChanged() {
views::View::OnThemeChanged();
circle_layer_delegate_.set_color(
GetColorProvider()->GetColor(kColorAshInkDropOpaqueColor));
SchedulePaint();
}
void HomeButtonTapOverlay::OnImplicitAnimationsCompleted() {
scoped_no_clip_rect_.reset();
}
BEGIN_METADATA(HomeButtonTapOverlay)
END_METADATA
} // namespace ash
|
