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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_COMMON_SYSTEM_CHROMEOS_SESSION_LOGOUT_BUTTON_OBSERVER_H_ | |
6 #define ASH_COMMON_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_COMMON_SYSTEM_CHROMEOS_SESSION_LOGOUT_BUTTON_OBSERVER_H_ | |
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