1 // Copyright 2014 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_CHROMEOS_SESSION_LOGOUT_BUTTON_OBSERVER_H_ 6 #define ASH_SYSTEM_CHROMEOS_SESSION_LOGOUT_BUTTON_OBSERVER_H_ 7 8 #include "ash/ash_export.h" 9 #include "base/time/time.h" 10 11 namespace ash { 12 13 class ASH_EXPORT LogoutButtonObserver { 14 public: 15 virtual ~LogoutButtonObserver() {} 16 17 // Called when the value of the kShowLogoutButtonInTray pref changes, which 18 // determines whether a logout button should be shown in the system tray 19 // during a session. 20 virtual void OnShowLogoutButtonInTrayChanged(bool show) = 0; 21 22 // Called when the value of the kLogoutDialogDurationMs pref changes. 23 // |duration| is the duration for which the logout confirmation dialog is 24 // shown after the user has pressed the logout button. 25 virtual void OnLogoutDialogDurationChanged(base::TimeDelta duration) = 0; 26 }; 27 28 } // namespace ash 29 30 #endif // ASH_SYSTEM_CHROMEOS_SESSION_LOGOUT_BUTTON_OBSERVER_H_ 31
