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
|
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/flying_indicator.h"
#include "base/memory/ptr_util.h"
#include "chrome/app/vector_icons/vector_icons.h"
#include "chrome/browser/themes/theme_properties.h"
#include "chrome/browser/ui/color/chrome_color_id.h"
#include "ui/accessibility/ax_enums.mojom-shared.h"
#include "ui/base/mojom/dialog_button.mojom.h"
#include "ui/color/color_provider.h"
#include "ui/gfx/geometry/cubic_bezier.h"
#include "ui/gfx/geometry/rounded_corners_f.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/views/bubble/bubble_dialog_delegate_view.h"
#include "ui/views/bubble/bubble_frame_view.h"
#include "ui/views/controls/image_view.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/window/dialog_delegate.h"
namespace {
static constexpr base::TimeDelta kFadeInDuration = base::Milliseconds(100);
static constexpr base::TimeDelta kFlyDuration = base::Milliseconds(580);
static constexpr base::TimeDelta kFadeOutDuration = base::Milliseconds(100);
} // namespace
// static
std::unique_ptr<FlyingIndicator> FlyingIndicator::StartFlyingIndicator(
const gfx::VectorIcon& icon,
const gfx::Point& start,
views::View* target,
base::OnceClosure done_callback) {
return base::WrapUnique(
new FlyingIndicator(icon, start, target, std::move(done_callback)));
}
FlyingIndicator::FlyingIndicator(const gfx::VectorIcon& icon,
const gfx::Point& start,
views::View* target,
base::OnceClosure done_callback)
: start_(start),
target_(target),
animation_(gfx::MultiAnimation::Parts{
{kFadeInDuration, gfx::Tween::Type::LINEAR},
{kFlyDuration, gfx::Tween::Type::LINEAR},
{kFadeOutDuration, gfx::Tween::Type::LINEAR}}),
done_callback_(std::move(done_callback)) {
animation_.set_delegate(this);
animation_.set_continuous(false);
std::unique_ptr<views::BubbleDialogDelegateView> bubble_view =
std::make_unique<views::BubbleDialogDelegateView>(
views::BubbleDialogDelegateView::CreatePassKey(), target,
views::BubbleBorder::Arrow::FLOAT,
views::BubbleBorder::Shadow::STANDARD_SHADOW);
const auto* color_provider = target_->GetColorProvider();
const SkColor background_color =
color_provider->GetColor(kColorFlyingIndicatorBackground);
// Set the bubble properties.
bubble_view->SetAccessibleWindowRole(ax::mojom::Role::kNone);
bubble_view->SetButtons(static_cast<int>(ui::mojom::DialogButton::kNone));
bubble_view->set_margins(gfx::Insets());
bubble_view->SetCanActivate(false);
bubble_view->set_focus_traversable_from_anchor_view(false);
bubble_view->SetBackground(views::CreateSolidBackground(background_color));
// These constants are from the UX spec.
static constexpr int kIconSize = 28;
static constexpr int kBubbleSize = 56;
static constexpr int kBubbleCornerRadius = 16;
// Add the link icon.
auto* const link_image =
bubble_view->AddChildView(std::make_unique<views::ImageView>());
link_image->SetImage(ui::ImageModel::FromVectorIcon(
kWebIcon, kColorFlyingIndicatorForeground, kIconSize));
link_image->SetPreferredSize(gfx::Size(kBubbleSize, kBubbleSize));
// Use the default fill layout because there's only one child view.
bubble_view->SetUseDefaultFillLayout(true);
// Create the bubble.
views::BubbleDialogDelegateView* const bubble_view_ptr = bubble_view.get();
widget_ =
views::BubbleDialogDelegateView::CreateBubble(std::move(bubble_view));
scoped_observation_.Observe(widget_.get());
// Set required frame properties.
views::BubbleFrameView* const frame_view =
bubble_view_ptr->GetBubbleFrameView();
frame_view->set_hit_test_transparent(true);
frame_view->SetRoundedCorners(gfx::RoundedCornersF(kBubbleCornerRadius));
widget_->SetZOrderLevel(ui::ZOrderLevel::kFloatingUIElement);
// Set up the initial position and opacity, store the desired size, and start
// the animation.
widget_->SetOpacity(0.0f);
widget_->Show();
bubble_size_ = widget_->GetWindowBoundsInScreen().size();
animation_.Start();
}
FlyingIndicator::~FlyingIndicator() {
// Kill the callback before deleting the widget so we don't call it.
done_callback_.Reset();
scoped_observation_.Reset();
if (widget_) {
widget_->Close();
}
}
void FlyingIndicator::OnWidgetDestroyed(views::Widget* widget) {
if (widget != widget_) {
return;
}
DCHECK(scoped_observation_.IsObserving());
scoped_observation_.Reset();
widget_ = nullptr;
animation_.Stop();
if (done_callback_) {
std::move(done_callback_).Run();
}
}
void FlyingIndicator::AnimationProgressed(const gfx::Animation* animation) {
if (!widget_) {
return;
}
if (animation_.current_part_index() > 1U && done_callback_) {
std::move(done_callback_).Run();
}
// The steps of the animation are:
// 0. Grow and fade the bubble in, centered on the originating point.
// 1. Move the bubble in an arc from starting point to finishing point (over
// the counter button).
// 2. Shrink and fade the bubble out.
const gfx::Point end_pos = target_->GetBoundsInScreen().CenterPoint();
gfx::Point location;
double opacity = 1.0;
switch (animation_.current_part_index()) {
case 0:
location = start_;
opacity = animation_.GetCurrentValue();
widget_->SetOpacity(opacity);
break;
case 1: {
const double current_value = animation_.GetCurrentValue();
const double x_percent =
gfx::CubicBezier(0.2, 0.0, 1.0, 0.8).Solve(current_value);
location.set_x(
std::lround(start_.x() + x_percent * (end_pos.x() - start_.x())));
const double y_percent =
gfx::CubicBezier(0.0, 0.0, 0.4, 1.0).Solve(current_value);
location.set_y(
std::lround(start_.y() + y_percent * (end_pos.y() - start_.y())));
break;
}
case 2:
location = end_pos;
opacity = animation_.CurrentValueBetween(1.0, 0.0);
widget_->SetOpacity(opacity);
break;
default:
NOTREACHED();
}
gfx::Size bubble_size = bubble_size_;
if (opacity < 1.0) {
const gfx::Size original_size = bubble_size;
bubble_size.set_width(std::lround(original_size.width() * opacity));
bubble_size.set_height(std::lround(original_size.height() * opacity));
}
location.Offset(-bubble_size.width() / 2, -bubble_size.height() / 2);
widget_->SetBounds(gfx::Rect(location, bubble_size));
}
void FlyingIndicator::AnimationEnded(const gfx::Animation* animation) {
// We need to close the widget, but that can be an asynchronous event, so call
// |done_callback_| and remove our listeners and reference to the widget.
if (done_callback_) {
std::move(done_callback_).Run();
}
if (widget_) {
DCHECK(scoped_observation_.IsObserving());
scoped_observation_.Reset();
widget_->Close();
widget_ = nullptr;
}
}
|
