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Side by Side Diff: ash/common/system/tray/tray_item_view.cc

Issue 2732813002: chromeos: Move files in //ash/common to //ash, part 1 (Closed)
Patch Set: rebase Created 3 years, 9 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "ash/common/system/tray/tray_item_view.h"
6
7 #include "ash/common/material_design/material_design_controller.h"
8 #include "ash/common/shelf/wm_shelf_util.h"
9 #include "ash/common/system/tray/system_tray.h"
10 #include "ash/common/system/tray/system_tray_item.h"
11 #include "ash/common/system/tray/tray_constants.h"
12 #include "ash/public/cpp/shelf_types.h"
13 #include "ui/compositor/layer.h"
14 #include "ui/gfx/animation/slide_animation.h"
15 #include "ui/views/controls/image_view.h"
16 #include "ui/views/controls/label.h"
17 #include "ui/views/layout/fill_layout.h"
18 #include "ui/views/widget/widget.h"
19
20 namespace {
21 const int kTrayIconHeight = 29;
22 const int kTrayIconWidth = 29;
23 const int kTrayItemAnimationDurationMS = 200;
24
25 // Animations can be disabled for testing.
26 bool animations_enabled = true;
27 }
28
29 namespace ash {
30
31 TrayItemView::TrayItemView(SystemTrayItem* owner)
32 : owner_(owner), label_(NULL), image_view_(NULL) {
33 SetPaintToLayer();
34 layer()->SetFillsBoundsOpaquely(false);
35 SetLayoutManager(new views::FillLayout());
36 }
37
38 TrayItemView::~TrayItemView() {}
39
40 // static
41 void TrayItemView::DisableAnimationsForTest() {
42 animations_enabled = false;
43 }
44
45 void TrayItemView::CreateLabel() {
46 label_ = new views::Label;
47 AddChildView(label_);
48 PreferredSizeChanged();
49 }
50
51 void TrayItemView::CreateImageView() {
52 image_view_ = new views::ImageView;
53 AddChildView(image_view_);
54 PreferredSizeChanged();
55 }
56
57 void TrayItemView::SetVisible(bool set_visible) {
58 if (!GetWidget() || !animations_enabled) {
59 views::View::SetVisible(set_visible);
60 return;
61 }
62
63 if (!animation_) {
64 animation_.reset(new gfx::SlideAnimation(this));
65 animation_->SetSlideDuration(GetAnimationDurationMS());
66 animation_->SetTweenType(gfx::Tween::LINEAR);
67 animation_->Reset(visible() ? 1.0 : 0.0);
68 }
69
70 if (!set_visible) {
71 animation_->Hide();
72 AnimationProgressed(animation_.get());
73 } else {
74 animation_->Show();
75 AnimationProgressed(animation_.get());
76 views::View::SetVisible(true);
77 }
78 }
79
80 // static
81 bool TrayItemView::UseMd() {
82 return MaterialDesignController::UseMaterialDesignSystemIcons();
83 }
84
85 int TrayItemView::GetAnimationDurationMS() {
86 return kTrayItemAnimationDurationMS;
87 }
88
89 gfx::Size TrayItemView::GetPreferredSize() const {
90 DCHECK_EQ(1, child_count());
91 gfx::Size size;
92 if (UseMd()) {
93 gfx::Size inner_size = views::View::GetPreferredSize();
94 if (image_view_)
95 inner_size = gfx::Size(kTrayIconSize, kTrayIconSize);
96 gfx::Rect rect(inner_size);
97 rect.Inset(gfx::Insets(-kTrayImageItemPadding));
98 size = rect.size();
99 } else {
100 size = views::View::GetPreferredSize();
101 if (IsHorizontalAlignment(owner()->system_tray()->shelf_alignment()))
102 size.set_height(kTrayIconHeight);
103 else
104 size.set_width(kTrayIconWidth);
105 }
106 if (!animation_.get() || !animation_->is_animating())
107 return size;
108 if (IsHorizontalAlignment(owner()->system_tray()->shelf_alignment())) {
109 size.set_width(std::max(
110 1, static_cast<int>(size.width() * animation_->GetCurrentValue())));
111 } else {
112 size.set_height(std::max(
113 1, static_cast<int>(size.height() * animation_->GetCurrentValue())));
114 }
115 return size;
116 }
117
118 int TrayItemView::GetHeightForWidth(int width) const {
119 return GetPreferredSize().height();
120 }
121
122 void TrayItemView::ChildPreferredSizeChanged(views::View* child) {
123 PreferredSizeChanged();
124 }
125
126 void TrayItemView::AnimationProgressed(const gfx::Animation* animation) {
127 gfx::Transform transform;
128 if (IsHorizontalAlignment(owner()->system_tray()->shelf_alignment())) {
129 transform.Translate(0, animation->CurrentValueBetween(
130 static_cast<double>(height()) / 2, 0.));
131 } else {
132 transform.Translate(
133 animation->CurrentValueBetween(static_cast<double>(width() / 2), 0.),
134 0);
135 }
136 transform.Scale(animation->GetCurrentValue(), animation->GetCurrentValue());
137 layer()->SetTransform(transform);
138 PreferredSizeChanged();
139 }
140
141 void TrayItemView::AnimationEnded(const gfx::Animation* animation) {
142 if (animation->GetCurrentValue() < 0.1)
143 views::View::SetVisible(false);
144 }
145
146 void TrayItemView::AnimationCanceled(const gfx::Animation* animation) {
147 AnimationEnded(animation);
148 }
149
150 } // namespace ash
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