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 15 class ShellDelegate; 16 class SystemTray; 17 class WebNotificationTray; 18 19 namespace internal { 20 21 class LogoutButtonTray; 22 class StatusAreaWidgetDelegate; 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 internal::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 } 56 login_status()57 user::LoginStatus login_status() const { return login_status_; } 58 59 // Returns true if the launcher should be visible. This is used when the 60 // launcher is configured to auto-hide and test if the shelf should force 61 // the launcher to remain visible. 62 bool ShouldShowLauncher() const; 63 64 // True if any message bubble is shown. 65 bool IsMessageBubbleShown() const; 66 67 // Overridden from views::Widget: 68 virtual void OnNativeWidgetActivationChanged(bool active) OVERRIDE; 69 70 private: 71 void AddSystemTray(); 72 void AddWebNotificationTray(); 73 void AddLogoutButtonTray(); 74 75 // Weak pointers to View classes that are parented to StatusAreaWidget: 76 internal::StatusAreaWidgetDelegate* status_area_widget_delegate_; 77 SystemTray* system_tray_; 78 WebNotificationTray* web_notification_tray_; 79 LogoutButtonTray* logout_button_tray_; 80 user::LoginStatus login_status_; 81 82 DISALLOW_COPY_AND_ASSIGN(StatusAreaWidget); 83 }; 84 85 } // namespace internal 86 } // namespace ash 87 88 #endif // ASH_SYSTEM_STATUS_AREA_WIDGET_H_ 89