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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 #include "ash/system/chromeos/session/last_window_closed_logout_reminder.h"
      6 
      7 #include "ash/shell.h"
      8 #include "ash/system/chromeos/session/logout_confirmation_controller.h"
      9 #include "ash/system/tray/system_tray_delegate.h"
     10 #include "ash/system/tray/system_tray_notifier.h"
     11 #include "ash/system/user/login_status.h"
     12 #include "base/time/time.h"
     13 
     14 namespace ash {
     15 namespace {
     16 const int kLogoutConfirmationDelayInSeconds = 20;
     17 }
     18 
     19 LastWindowClosedLogoutReminder::LastWindowClosedLogoutReminder() {
     20   Shell::GetInstance()->system_tray_notifier()->AddLastWindowClosedObserver(
     21       this);
     22 }
     23 
     24 LastWindowClosedLogoutReminder::~LastWindowClosedLogoutReminder() {
     25   Shell::GetInstance()->system_tray_notifier()->RemoveLastWindowClosedObserver(
     26       this);
     27 }
     28 
     29 void LastWindowClosedLogoutReminder::OnLastWindowClosed() {
     30   if (Shell::GetInstance()->system_tray_delegate()->GetUserLoginStatus() !=
     31       user::LOGGED_IN_PUBLIC) {
     32     return;
     33   }
     34 
     35   // Ask the user to confirm logout if a public session is in progress and the
     36   // screen is not locked.
     37   Shell::GetInstance()->logout_confirmation_controller()->ConfirmLogout(
     38       base::TimeTicks::Now() +
     39       base::TimeDelta::FromSeconds(kLogoutConfirmationDelayInSeconds));
     40 }
     41 
     42 }  // namespace ash
     43