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_LOGOUT_BUTTON_TRAY_LOGOUT_BUTTON_H_ 6 #define ASH_SYSTEM_LOGOUT_BUTTON_TRAY_LOGOUT_BUTTON_H_ 7 8 #include "ash/system/logout_button/logout_button_observer.h" 9 #include "ash/system/tray/system_tray_item.h" 10 #include "base/basictypes.h" 11 #include "base/compiler_specific.h" 12 13 namespace ash { 14 namespace internal { 15 16 namespace tray { 17 class LogoutButton; 18 } 19 20 // Adds a logout button to the system tray if enabled by the 21 // kShowLogoutButtonInTray pref. 22 class TrayLogoutButton : public SystemTrayItem, public LogoutButtonObserver { 23 public: 24 explicit TrayLogoutButton(SystemTray* system_tray); 25 virtual ~TrayLogoutButton(); 26 27 // Overridden from SystemTrayItem. 28 virtual views::View* CreateTrayView(user::LoginStatus status) OVERRIDE; 29 virtual void DestroyTrayView() OVERRIDE; 30 virtual void UpdateAfterLoginStatusChange(user::LoginStatus status) OVERRIDE; 31 32 // Overridden from LogoutButtonObserver. 33 virtual void OnShowLogoutButtonInTrayChanged(bool show) OVERRIDE; 34 35 private: 36 tray::LogoutButton* logout_button_; 37 38 DISALLOW_COPY_AND_ASSIGN(TrayLogoutButton); 39 }; 40 41 } // namespace internal 42 } // namespace ash 43 44 #endif // ASH_SYSTEM_LOGOUT_BUTTON_TRAY_LOGOUT_BUTTON_H_ 45
