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 #ifndef ASH_SYSTEM_STATUS_AREA_WIDGET_H_ 6 #define ASH_SYSTEM_STATUS_AREA_WIDGET_H_ 7 8 #include "ash/ash_export.h" 9 #include "ash/shelf/shelf_types.h" 10 #include "ash/system/user/login_status.h" 11 #include "ui/views/widget/widget.h" 12 13 namespace ash { 14 class OverviewButtonTray; 15 class ShellDelegate; 16 class StatusAreaWidgetDelegate; 17 class SystemTray; 18 class WebNotificationTray; 19 #if defined(OS_CHROMEOS) 20 class LogoutButtonTray; 21 class VirtualKeyboardTray; 22 #endif 23 24 class ASH_EXPORT StatusAreaWidget : public views::Widget { 25 public: 26 static const char kNativeViewName[]; 27 28 explicit StatusAreaWidget(aura::Window* status_container); 29 virtual ~StatusAreaWidget(); 30 31 // Creates the SystemTray, WebNotificationTray and LogoutButtonTray. 32 void CreateTrayViews(); 33 34 // Destroys the system tray and web notification tray. Called before 35 // tearing down the windows to avoid shutdown ordering issues. 36 void Shutdown(); 37 38 // Update the alignment of the widget and tray views. 39 void SetShelfAlignment(ShelfAlignment alignment); 40 41 // Set the visibility of system notifications. 42 void SetHideSystemNotifications(bool hide); 43 44 // Called by the client when the login status changes. Caches login_status 45 // and calls UpdateAfterLoginStatusChange for the system tray and the web 46 // notification tray. 47 void UpdateAfterLoginStatusChange(user::LoginStatus login_status); 48 status_area_widget_delegate()49 StatusAreaWidgetDelegate* status_area_widget_delegate() { 50 return status_area_widget_delegate_; 51 } system_tray()52 SystemTray* system_tray() { return system_tray_; } web_notification_tray()53 WebNotificationTray* web_notification_tray() { 54 return web_notification_tray_; 55 } overview_button_tray()56 OverviewButtonTray* overview_button_tray() { 57 return overview_button_tray_; 58 } 59 login_status()60 user::LoginStatus login_status() const { return login_status_; } 61 62 // Returns true if the shelf should be visible. This is used when the 63 // shelf is configured to auto-hide and test if the shelf should force 64 // the shelf to remain visible. 65 bool ShouldShowShelf() const; 66 67 // True if any message bubble is shown. 68 bool IsMessageBubbleShown() const; 69 70 // Notifies child trays, and the |status_area_widget_delegate_| to schedule a 71 // paint. 72 void SchedulePaint(); 73 74 // Overridden from views::Widget: 75 virtual void OnNativeWidgetActivationChanged(bool active) OVERRIDE; 76 77 private: 78 void AddSystemTray(); 79 void AddWebNotificationTray(); 80 #if defined(OS_CHROMEOS) 81 void AddLogoutButtonTray(); 82 void AddVirtualKeyboardTray(); 83 #endif 84 void AddOverviewButtonTray(); 85 86 // Weak pointers to View classes that are parented to StatusAreaWidget: 87 StatusAreaWidgetDelegate* status_area_widget_delegate_; 88 OverviewButtonTray* overview_button_tray_; 89 SystemTray* system_tray_; 90 WebNotificationTray* web_notification_tray_; 91 #if defined(OS_CHROMEOS) 92 LogoutButtonTray* logout_button_tray_; 93 VirtualKeyboardTray* virtual_keyboard_tray_; 94 #endif 95 user::LoginStatus login_status_; 96 97 DISALLOW_COPY_AND_ASSIGN(StatusAreaWidget); 98 }; 99 100 } // namespace ash 101 102 #endif // ASH_SYSTEM_STATUS_AREA_WIDGET_H_ 103