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/system/chromeos/settings/tray_settings.h"
6
7 #include "ash/shell.h"
8 #include "ash/system/chromeos/power/power_status.h"
9 #include "ash/system/chromeos/power/power_status_view.h"
10 #include "ash/system/tray/actionable_view.h"
11 #include "ash/system/tray/fixed_sized_image_view.h"
12 #include "ash/system/tray/system_tray_delegate.h"
13 #include "ash/system/tray/tray_constants.h"
14 #include "base/logging.h"
15 #include "base/strings/utf_string_conversions.h"
16 #include "grit/ash_resources.h"
17 #include "grit/ash_strings.h"
18 #include "third_party/skia/include/core/SkColor.h"
19 #include "ui/base/accessibility/accessible_view_state.h"
20 #include "ui/base/resource/resource_bundle.h"
21 #include "ui/gfx/image/image.h"
22 #include "ui/views/controls/image_view.h"
23 #include "ui/views/controls/label.h"
24 #include "ui/views/layout/box_layout.h"
25 #include "ui/views/layout/fill_layout.h"
26 #include "ui/views/view.h"
27
28 namespace ash {
29 namespace internal {
30
31 namespace tray {
32
33 class SettingsDefaultView : public ActionableView,
34 public PowerStatus::Observer {
35 public:
SettingsDefaultView(user::LoginStatus status)36 explicit SettingsDefaultView(user::LoginStatus status)
37 : login_status_(status),
38 label_(NULL),
39 power_status_view_(NULL) {
40 PowerStatus::Get()->AddObserver(this);
41 SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
42 ash::kTrayPopupPaddingHorizontal, 0,
43 ash::kTrayPopupPaddingBetweenItems));
44
45 bool power_view_right_align = false;
46 if (login_status_ != user::LOGGED_IN_NONE &&
47 login_status_ != user::LOGGED_IN_LOCKED) {
48 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
49 views::ImageView* icon =
50 new ash::internal::FixedSizedImageView(0, ash::kTrayPopupItemHeight);
51 icon->SetImage(
52 rb.GetImageNamed(IDR_AURA_UBER_TRAY_SETTINGS).ToImageSkia());
53 AddChildView(icon);
54
55 base::string16 text = rb.GetLocalizedString(IDS_ASH_STATUS_TRAY_SETTINGS);
56 label_ = new views::Label(text);
57 AddChildView(label_);
58 SetAccessibleName(text);
59
60 power_view_right_align = true;
61 }
62
63 if (PowerStatus::Get()->IsBatteryPresent()) {
64 power_status_view_ = new ash::internal::PowerStatusView(
65 ash::internal::PowerStatusView::VIEW_DEFAULT, power_view_right_align);
66 AddChildView(power_status_view_);
67 OnPowerStatusChanged();
68 }
69 }
70
~SettingsDefaultView()71 virtual ~SettingsDefaultView() {
72 PowerStatus::Get()->RemoveObserver(this);
73 }
74
75 // Overridden from ash::internal::ActionableView.
PerformAction(const ui::Event & event)76 virtual bool PerformAction(const ui::Event& event) OVERRIDE {
77 if (login_status_ == user::LOGGED_IN_NONE ||
78 login_status_ == user::LOGGED_IN_LOCKED)
79 return false;
80
81 ash::Shell::GetInstance()->system_tray_delegate()->ShowSettings();
82 return true;
83 }
84
85 // Overridden from views::View.
Layout()86 virtual void Layout() OVERRIDE {
87 views::View::Layout();
88
89 if (label_ && power_status_view_) {
90 // Let the box-layout do the layout first. Then move power_status_view_
91 // to right align if it is created.
92 gfx::Size size = power_status_view_->GetPreferredSize();
93 gfx::Rect bounds(size);
94 bounds.set_x(width() - size.width() - ash::kTrayPopupPaddingBetweenItems);
95 bounds.set_y((height() - size.height()) / 2);
96 power_status_view_->SetBoundsRect(bounds);
97 }
98 }
99
100 // Overridden from views::View.
ChildPreferredSizeChanged(views::View * child)101 virtual void ChildPreferredSizeChanged(views::View* child) OVERRIDE {
102 views::View::ChildPreferredSizeChanged(child);
103 Layout();
104 }
105
106 // Overridden from PowerStatus::Observer.
OnPowerStatusChanged()107 virtual void OnPowerStatusChanged() OVERRIDE {
108 if (!PowerStatus::Get()->IsBatteryPresent())
109 return;
110
111 base::string16 accessible_name = label_ ?
112 label_->text() + ASCIIToUTF16(", ") +
113 PowerStatus::Get()->GetAccessibleNameString() :
114 PowerStatus::Get()->GetAccessibleNameString();
115 SetAccessibleName(accessible_name);
116 }
117
118 private:
119 user::LoginStatus login_status_;
120 views::Label* label_;
121 ash::internal::PowerStatusView* power_status_view_;
122
123 DISALLOW_COPY_AND_ASSIGN(SettingsDefaultView);
124 };
125
126 } // namespace tray
127
TraySettings(SystemTray * system_tray)128 TraySettings::TraySettings(SystemTray* system_tray)
129 : SystemTrayItem(system_tray),
130 default_view_(NULL) {
131 }
132
~TraySettings()133 TraySettings::~TraySettings() {
134 }
135
CreateTrayView(user::LoginStatus status)136 views::View* TraySettings::CreateTrayView(user::LoginStatus status) {
137 return NULL;
138 }
139
CreateDefaultView(user::LoginStatus status)140 views::View* TraySettings::CreateDefaultView(user::LoginStatus status) {
141 if ((status == user::LOGGED_IN_NONE || status == user::LOGGED_IN_LOCKED) &&
142 !PowerStatus::Get()->IsBatteryPresent())
143 return NULL;
144
145 if (!ash::Shell::GetInstance()->system_tray_delegate()->ShouldShowSettings())
146 return NULL;
147
148 CHECK(default_view_ == NULL);
149 default_view_ = new tray::SettingsDefaultView(status);
150 return default_view_;
151 }
152
CreateDetailedView(user::LoginStatus status)153 views::View* TraySettings::CreateDetailedView(user::LoginStatus status) {
154 NOTIMPLEMENTED();
155 return NULL;
156 }
157
DestroyTrayView()158 void TraySettings::DestroyTrayView() {
159 }
160
DestroyDefaultView()161 void TraySettings::DestroyDefaultView() {
162 default_view_ = NULL;
163 }
164
DestroyDetailedView()165 void TraySettings::DestroyDetailedView() {
166 }
167
UpdateAfterLoginStatusChange(user::LoginStatus status)168 void TraySettings::UpdateAfterLoginStatusChange(user::LoginStatus status) {
169 }
170
171 } // namespace internal
172 } // namespace ash
173