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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_CONFIRMATION_CONTROLLER_H_ | |
| 6 #define ASH_COMMON_SYSTEM_CHROMEOS_SESSION_LOGOUT_CONFIRMATION_CONTROLLER_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 | |
| 10 #include "ash/ash_export.h" | |
| 11 #include "ash/common/shell_observer.h" | |
| 12 #include "ash/common/system/chromeos/session/last_window_closed_observer.h" | |
| 13 #include "base/callback.h" | |
| 14 #include "base/macros.h" | |
| 15 #include "base/time/time.h" | |
| 16 #include "base/timer/timer.h" | |
| 17 | |
| 18 namespace base { | |
| 19 class TickClock; | |
| 20 } | |
| 21 | |
| 22 namespace ash { | |
| 23 | |
| 24 class LogoutConfirmationDialog; | |
| 25 | |
| 26 // This class shows a dialog asking the user to confirm or deny logout and | |
| 27 // terminates the session if the user either confirms or allows the countdown | |
| 28 // shown in the dialog to expire. | |
| 29 // | |
| 30 // It is guaranteed that no more than one confirmation dialog will be visible at | |
| 31 // any given time. If there are multiple requests to show a confirmation dialog | |
| 32 // at the same time, the dialog whose countdown expires first is shown. | |
| 33 // | |
| 34 // In public sessions, asks the user to end the session when the last window is | |
| 35 // closed. | |
| 36 class ASH_EXPORT LogoutConfirmationController | |
| 37 : public ShellObserver, | |
| 38 public LastWindowClosedObserver { | |
| 39 public: | |
| 40 // The |logout_closure| must be safe to call as long as |this| is alive. | |
| 41 explicit LogoutConfirmationController(const base::Closure& logout_closure); | |
| 42 ~LogoutConfirmationController() override; | |
| 43 | |
| 44 base::TickClock* clock() const { return clock_.get(); } | |
| 45 | |
| 46 // Shows a LogoutConfirmationDialog. If a confirmation dialog is already being | |
| 47 // shown, it is closed and a new one opened if |logout_time| is earlier than | |
| 48 // the current dialog's |logout_time_|. | |
| 49 void ConfirmLogout(base::TimeTicks logout_time); | |
| 50 | |
| 51 void SetClockForTesting(std::unique_ptr<base::TickClock> clock); | |
| 52 | |
| 53 // ShellObserver: | |
| 54 void OnLockStateChanged(bool locked) override; | |
| 55 | |
| 56 // Called by the |dialog_| when the user confirms logout. | |
| 57 void OnLogoutConfirmed(); | |
| 58 | |
| 59 // Called by the |dialog_| when it is closed. | |
| 60 void OnDialogClosed(); | |
| 61 | |
| 62 LogoutConfirmationDialog* dialog_for_testing() const { return dialog_; } | |
| 63 | |
| 64 private: | |
| 65 // LastWindowClosedObserver: | |
| 66 void OnLastWindowClosed() override; | |
| 67 | |
| 68 std::unique_ptr<base::TickClock> clock_; | |
| 69 base::Closure logout_closure_; | |
| 70 | |
| 71 base::TimeTicks logout_time_; | |
| 72 LogoutConfirmationDialog* dialog_; // Owned by the Views hierarchy. | |
| 73 base::Timer logout_timer_; | |
| 74 | |
| 75 DISALLOW_COPY_AND_ASSIGN(LogoutConfirmationController); | |
| 76 }; | |
| 77 | |
| 78 } // namespace ash | |
| 79 | |
| 80 #endif // ASH_COMMON_SYSTEM_CHROMEOS_SESSION_LOGOUT_CONFIRMATION_CONTROLLER_H_ | |
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Chromium Code Reviews
Issue 2734653002:
chromeos: Move files in //ash/common to //ash (Closed)
