1 // Copyright 2013 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_LOGOUT_BUTTON_TRAY_H_ 6 #define ASH_SYSTEM_LOGOUT_BUTTON_LOGOUT_BUTTON_TRAY_H_ 7 8 #include "ash/system/logout_button/logout_button_observer.h" 9 #include "ash/system/tray/tray_background_view.h" 10 #include "ash/system/user/login_status.h" 11 #include "base/basictypes.h" 12 #include "base/compiler_specific.h" 13 #include "ui/views/controls/button/button.h" 14 15 namespace views { 16 class LabelButton; 17 } 18 19 namespace ash { 20 namespace internal { 21 22 class StatusAreaWidget; 23 24 // Adds a logout button to the launcher's status area if enabled by the 25 // kShowLogoutButtonInTray pref. 26 class LogoutButtonTray : public TrayBackgroundView, 27 public LogoutButtonObserver, 28 public views::ButtonListener { 29 public: 30 explicit LogoutButtonTray(StatusAreaWidget* status_area_widget); 31 virtual ~LogoutButtonTray(); 32 33 // TrayBackgroundView: 34 virtual void SetShelfAlignment(ShelfAlignment alignment) OVERRIDE; 35 virtual base::string16 GetAccessibleNameForTray() OVERRIDE; 36 virtual void HideBubbleWithView( 37 const views::TrayBubbleView* bubble_view) OVERRIDE; 38 virtual bool ClickedOutsideBubble() OVERRIDE; 39 40 // LogoutButtonObserver: 41 virtual void OnShowLogoutButtonInTrayChanged(bool show) OVERRIDE; 42 43 // views::ButtonListener: 44 virtual void ButtonPressed(views::Button* sender, 45 const ui::Event& event) OVERRIDE; 46 47 void UpdateAfterLoginStatusChange(user::LoginStatus login_status); 48 49 private: 50 void UpdateVisibility(); 51 52 views::LabelButton* button_; // Not owned. 53 user::LoginStatus login_status_; 54 bool show_logout_button_in_tray_; 55 56 DISALLOW_COPY_AND_ASSIGN(LogoutButtonTray); 57 }; 58 59 } // namespace internal 60 } // namespace ash 61 62 #endif // ASH_SYSTEM_LOGOUT_BUTTON_LOGOUT_BUTTON_TRAY_H_ 63