Home | History | Annotate | Download | only in logout_button 
      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