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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/system/status_area_widget.h"
6 
7 #include "ash/root_window_controller.h"
8 #include "ash/shelf/shelf_layout_manager.h"
9 #include "ash/shelf/shelf_widget.h"
10 #include "ash/shell.h"
11 #include "ash/shell_delegate.h"
12 #include "ash/shell_window_ids.h"
13 #include "ash/system/bluetooth/bluetooth_observer.h"
14 #include "ash/system/overview/overview_button_tray.h"
15 #include "ash/system/status_area_widget_delegate.h"
16 #include "ash/system/tray/system_tray.h"
17 #include "ash/system/tray/system_tray_delegate.h"
18 #include "ash/system/web_notification/web_notification_tray.h"
19 #include "ash/wm/window_properties.h"
20 #include "base/i18n/time_formatting.h"
21 #include "ui/aura/window.h"
22 #include "ui/gfx/screen.h"
23 
24 #if defined(OS_CHROMEOS)
25 #include "ash/system/chromeos/session/logout_button_tray.h"
26 #include "ash/system/chromeos/virtual_keyboard/virtual_keyboard_tray.h"
27 #endif
28 
29 namespace ash {
30 
31 const char StatusAreaWidget::kNativeViewName[] = "StatusAreaWidget";
32 
StatusAreaWidget(aura::Window * status_container)33 StatusAreaWidget::StatusAreaWidget(aura::Window* status_container)
34     : status_area_widget_delegate_(new StatusAreaWidgetDelegate),
35       overview_button_tray_(NULL),
36       system_tray_(NULL),
37       web_notification_tray_(NULL),
38 #if defined(OS_CHROMEOS)
39       logout_button_tray_(NULL),
40       virtual_keyboard_tray_(NULL),
41 #endif
42       login_status_(user::LOGGED_IN_NONE) {
43   views::Widget::InitParams params(
44       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
45   params.delegate = status_area_widget_delegate_;
46   params.parent = status_container;
47   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
48   Init(params);
49   set_focus_on_creation(false);
50   SetContentsView(status_area_widget_delegate_);
51   GetNativeView()->SetName(kNativeViewName);
52 }
53 
~StatusAreaWidget()54 StatusAreaWidget::~StatusAreaWidget() {
55 }
56 
CreateTrayViews()57 void StatusAreaWidget::CreateTrayViews() {
58   AddOverviewButtonTray();
59   AddSystemTray();
60   AddWebNotificationTray();
61 #if defined(OS_CHROMEOS)
62   AddLogoutButtonTray();
63   AddVirtualKeyboardTray();
64 #endif
65 
66   SystemTrayDelegate* delegate =
67       ash::Shell::GetInstance()->system_tray_delegate();
68   DCHECK(delegate);
69   // Initialize after all trays have been created.
70   system_tray_->InitializeTrayItems(delegate);
71   web_notification_tray_->Initialize();
72 #if defined(OS_CHROMEOS)
73   logout_button_tray_->Initialize();
74   virtual_keyboard_tray_->Initialize();
75 #endif
76   overview_button_tray_->Initialize();
77   UpdateAfterLoginStatusChange(delegate->GetUserLoginStatus());
78 }
79 
Shutdown()80 void StatusAreaWidget::Shutdown() {
81   // Destroy the trays early, causing them to be removed from the view
82   // hierarchy. Do not used scoped pointers since we don't want to destroy them
83   // in the destructor if Shutdown() is not called (e.g. in tests).
84   delete web_notification_tray_;
85   web_notification_tray_ = NULL;
86   delete system_tray_;
87   system_tray_ = NULL;
88 #if defined(OS_CHROMEOS)
89   delete virtual_keyboard_tray_;
90   virtual_keyboard_tray_ = NULL;
91   delete logout_button_tray_;
92   logout_button_tray_ = NULL;
93 #endif
94   delete overview_button_tray_;
95   overview_button_tray_ = NULL;
96 }
97 
ShouldShowShelf() const98 bool StatusAreaWidget::ShouldShowShelf() const {
99   if ((system_tray_ && system_tray_->ShouldShowShelf()) ||
100       (web_notification_tray_ &&
101        web_notification_tray_->ShouldBlockShelfAutoHide()))
102     return true;
103 
104   if (!RootWindowController::ForShelf(GetNativeView())->shelf()->IsVisible())
105     return false;
106 
107   // If the shelf is currently visible, don't hide the shelf if the mouse
108   // is in any of the notification bubbles.
109   return (system_tray_ && system_tray_->IsMouseInNotificationBubble()) ||
110          (web_notification_tray_ &&
111           web_notification_tray_->IsMouseInNotificationBubble());
112 }
113 
IsMessageBubbleShown() const114 bool StatusAreaWidget::IsMessageBubbleShown() const {
115   return ((system_tray_ && system_tray_->IsAnyBubbleVisible()) ||
116           (web_notification_tray_ &&
117            web_notification_tray_->IsMessageCenterBubbleVisible()));
118 }
119 
SchedulePaint()120 void StatusAreaWidget::SchedulePaint() {
121   status_area_widget_delegate_->SchedulePaint();
122   web_notification_tray_->SchedulePaint();
123   system_tray_->SchedulePaint();
124 #if defined(OS_CHROMEOS)
125   virtual_keyboard_tray_->SchedulePaint();
126   logout_button_tray_->SchedulePaint();
127 #endif
128   overview_button_tray_->SchedulePaint();
129 }
130 
OnNativeWidgetActivationChanged(bool active)131 void StatusAreaWidget::OnNativeWidgetActivationChanged(bool active) {
132   Widget::OnNativeWidgetActivationChanged(active);
133   if (active)
134     status_area_widget_delegate_->SetPaneFocusAndFocusDefault();
135 }
136 
AddSystemTray()137 void StatusAreaWidget::AddSystemTray() {
138   system_tray_ = new SystemTray(this);
139   status_area_widget_delegate_->AddTray(system_tray_);
140 }
141 
AddWebNotificationTray()142 void StatusAreaWidget::AddWebNotificationTray() {
143   web_notification_tray_ = new WebNotificationTray(this);
144   status_area_widget_delegate_->AddTray(web_notification_tray_);
145 }
146 
147 #if defined(OS_CHROMEOS)
AddLogoutButtonTray()148 void StatusAreaWidget::AddLogoutButtonTray() {
149   logout_button_tray_ = new LogoutButtonTray(this);
150   status_area_widget_delegate_->AddTray(logout_button_tray_);
151 }
152 
AddVirtualKeyboardTray()153 void StatusAreaWidget::AddVirtualKeyboardTray() {
154   virtual_keyboard_tray_ = new VirtualKeyboardTray(this);
155   status_area_widget_delegate_->AddTray(virtual_keyboard_tray_);
156 }
157 #endif
158 
AddOverviewButtonTray()159 void StatusAreaWidget::AddOverviewButtonTray() {
160   overview_button_tray_ = new OverviewButtonTray(this);
161   status_area_widget_delegate_->AddTray(overview_button_tray_);
162 }
163 
SetShelfAlignment(ShelfAlignment alignment)164 void StatusAreaWidget::SetShelfAlignment(ShelfAlignment alignment) {
165   status_area_widget_delegate_->set_alignment(alignment);
166   if (system_tray_)
167     system_tray_->SetShelfAlignment(alignment);
168   if (web_notification_tray_)
169     web_notification_tray_->SetShelfAlignment(alignment);
170 #if defined(OS_CHROMEOS)
171   if (logout_button_tray_)
172     logout_button_tray_->SetShelfAlignment(alignment);
173   if (virtual_keyboard_tray_)
174     virtual_keyboard_tray_->SetShelfAlignment(alignment);
175 #endif
176   if (overview_button_tray_)
177     overview_button_tray_->SetShelfAlignment(alignment);
178   status_area_widget_delegate_->UpdateLayout();
179 }
180 
SetHideSystemNotifications(bool hide)181 void StatusAreaWidget::SetHideSystemNotifications(bool hide) {
182   if (system_tray_)
183     system_tray_->SetHideNotifications(hide);
184 }
185 
UpdateAfterLoginStatusChange(user::LoginStatus login_status)186 void StatusAreaWidget::UpdateAfterLoginStatusChange(
187     user::LoginStatus login_status) {
188   if (login_status_ == login_status)
189     return;
190   login_status_ = login_status;
191   if (system_tray_)
192     system_tray_->UpdateAfterLoginStatusChange(login_status);
193   if (web_notification_tray_)
194     web_notification_tray_->UpdateAfterLoginStatusChange(login_status);
195 #if defined(OS_CHROMEOS)
196   if (logout_button_tray_)
197     logout_button_tray_->UpdateAfterLoginStatusChange(login_status);
198 #endif
199   if (overview_button_tray_)
200     overview_button_tray_->UpdateAfterLoginStatusChange(login_status);
201 }
202 
203 }  // namespace ash
204