src/ash/system/status_area_widget.cc

   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 namespace internal {
  32
  33 const char StatusAreaWidget::kNativeViewName[] = "StatusAreaWidget";
  34
  35 StatusAreaWidget::StatusAreaWidget(aura::Window* status_container)
  36     : status_area_widget_delegate_(new internal::StatusAreaWidgetDelegate),
  37       overview_button_tray_(NULL),
  38       system_tray_(NULL),
  39       web_notification_tray_(NULL),
  40 #if defined(OS_CHROMEOS)
  41       logout_button_tray_(NULL),
  42       virtual_keyboard_tray_(NULL),
  43 #endif
  44       login_status_(user::LOGGED_IN_NONE) {
  45   views::Widget::InitParams params(
  46       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
  47   params.delegate = status_area_widget_delegate_;
  48   params.parent = status_container;
  49   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
  50   Init(params);
  51   set_focus_on_creation(false);
  52   SetContentsView(status_area_widget_delegate_);
  53   GetNativeView()->SetName(kNativeViewName);
  54 }
  55
  56 StatusAreaWidget::~StatusAreaWidget() {
  57 }
  58
  59 void StatusAreaWidget::CreateTrayViews() {
  60   AddOverviewButtonTray();
  61   AddSystemTray();
  62   AddWebNotificationTray();
  63 #if defined(OS_CHROMEOS)
  64   AddLogoutButtonTray();
  65   AddVirtualKeyboardTray();
  66 #endif
  67
  68   SystemTrayDelegate* delegate =
  69       ash::Shell::GetInstance()->system_tray_delegate();
  70   DCHECK(delegate);
  71   // Initialize after all trays have been created.
  72   system_tray_->InitializeTrayItems(delegate);
  73   web_notification_tray_->Initialize();
  74 #if defined(OS_CHROMEOS)
  75   logout_button_tray_->Initialize();
  76   virtual_keyboard_tray_->Initialize();
  77 #endif
  78   overview_button_tray_->Initialize();
  79   UpdateAfterLoginStatusChange(delegate->GetUserLoginStatus());
  80 }
  81
  82 void StatusAreaWidget::Shutdown() {
  83   // Destroy the trays early, causing them to be removed from the view
  84   // hierarchy. Do not used scoped pointers since we don't want to destroy them
  85   // in the destructor if Shutdown() is not called (e.g. in tests).
  86   delete web_notification_tray_;
  87   web_notification_tray_ = NULL;
  88   delete system_tray_;
  89   system_tray_ = NULL;
  90 #if defined(OS_CHROMEOS)
  91   delete virtual_keyboard_tray_;
  92   virtual_keyboard_tray_ = NULL;
  93   delete logout_button_tray_;
  94   logout_button_tray_ = NULL;
  95 #endif
  96   delete overview_button_tray_;
  97   overview_button_tray_ = NULL;
  98 }
  99
 100 bool StatusAreaWidget::ShouldShowShelf() const {
 101   if ((system_tray_ && system_tray_->ShouldShowShelf()) ||
 102       (web_notification_tray_ &&
 103        web_notification_tray_->ShouldBlockShelfAutoHide()))
 104     return true;
 105
 106   if (!RootWindowController::ForShelf(GetNativeView())->shelf()->IsVisible())
 107     return false;
 108
 109   // If the shelf is currently visible, don't hide the shelf if the mouse
 110   // is in any of the notification bubbles.
 111   return (system_tray_ && system_tray_->IsMouseInNotificationBubble()) ||
 112          (web_notification_tray_ &&
 113           web_notification_tray_->IsMouseInNotificationBubble());
 114 }
 115
 116 bool StatusAreaWidget::IsMessageBubbleShown() const {
 117   return ((system_tray_ && system_tray_->IsAnyBubbleVisible()) ||
 118           (web_notification_tray_ &&
 119            web_notification_tray_->IsMessageCenterBubbleVisible()));
 120 }
 121
 122 void StatusAreaWidget::OnNativeWidgetActivationChanged(bool active) {
 123   Widget::OnNativeWidgetActivationChanged(active);
 124   if (active)
 125     status_area_widget_delegate_->SetPaneFocusAndFocusDefault();
 126 }
 127
 128 void StatusAreaWidget::AddSystemTray() {
 129   system_tray_ = new SystemTray(this);
 130   status_area_widget_delegate_->AddTray(system_tray_);
 131 }
 132
 133 void StatusAreaWidget::AddWebNotificationTray() {
 134   web_notification_tray_ = new WebNotificationTray(this);
 135   status_area_widget_delegate_->AddTray(web_notification_tray_);
 136 }
 137
 138 #if defined(OS_CHROMEOS)
 139 void StatusAreaWidget::AddLogoutButtonTray() {
 140   logout_button_tray_ = new LogoutButtonTray(this);
 141   status_area_widget_delegate_->AddTray(logout_button_tray_);
 142 }
 143
 144 void StatusAreaWidget::AddVirtualKeyboardTray() {
 145   virtual_keyboard_tray_ = new VirtualKeyboardTray(this);
 146   status_area_widget_delegate_->AddTray(virtual_keyboard_tray_);
 147 }
 148 #endif
 149
 150 void StatusAreaWidget::AddOverviewButtonTray() {
 151   overview_button_tray_ = new OverviewButtonTray(this);
 152   status_area_widget_delegate_->AddTray(overview_button_tray_);
 153 }
 154
 155 void StatusAreaWidget::SetShelfAlignment(ShelfAlignment alignment) {
 156   status_area_widget_delegate_->set_alignment(alignment);
 157   if (system_tray_)
 158     system_tray_->SetShelfAlignment(alignment);
 159   if (web_notification_tray_)
 160     web_notification_tray_->SetShelfAlignment(alignment);
 161 #if defined(OS_CHROMEOS)
 162   if (logout_button_tray_)
 163     logout_button_tray_->SetShelfAlignment(alignment);
 164   if (virtual_keyboard_tray_)
 165     virtual_keyboard_tray_->SetShelfAlignment(alignment);
 166 #endif
 167   if (overview_button_tray_)
 168     overview_button_tray_->SetShelfAlignment(alignment);
 169   status_area_widget_delegate_->UpdateLayout();
 170 }
 171
 172 void StatusAreaWidget::SetHideSystemNotifications(bool hide) {
 173   if (system_tray_)
 174     system_tray_->SetHideNotifications(hide);
 175 }
 176
 177 void StatusAreaWidget::UpdateAfterLoginStatusChange(
 178     user::LoginStatus login_status) {
 179   if (login_status_ == login_status)
 180     return;
 181   login_status_ = login_status;
 182   if (system_tray_)
 183     system_tray_->UpdateAfterLoginStatusChange(login_status);
 184   if (web_notification_tray_)
 185     web_notification_tray_->UpdateAfterLoginStatusChange(login_status);
 186 #if defined(OS_CHROMEOS)
 187   if (logout_button_tray_)
 188     logout_button_tray_->UpdateAfterLoginStatusChange(login_status);
 189 #endif
 190 }
 191
 192 }  // namespace internal
 193 }  // namespace ash