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| 1 // Copyright (c) 2012 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 "chrome/browser/chromeos/kiosk_mode/kiosk_mode_idle_logout.h" | |
| 6 | |
| 7 #include "ash/shell.h" | |
| 8 #include "base/bind.h" | |
| 9 #include "base/lazy_instance.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "base/message_loop/message_loop.h" | |
| 12 #include "chrome/browser/chrome_notification_types.h" | |
| 13 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h" | |
| 14 #include "chrome/browser/chromeos/ui/idle_logout_dialog_view.h" | |
| 15 #include "components/user_manager/user_manager.h" | |
| 16 #include "content/public/browser/notification_observer.h" | |
| 17 #include "content/public/browser/notification_registrar.h" | |
| 18 #include "content/public/browser/notification_service.h" | |
| 19 #include "ui/wm/core/user_activity_detector.h" | |
| 20 | |
| 21 namespace chromeos { | |
| 22 | |
| 23 namespace { | |
| 24 | |
| 25 static base::LazyInstance<KioskModeIdleLogout> | |
| 26 g_kiosk_mode_idle_logout = LAZY_INSTANCE_INITIALIZER; | |
| 27 | |
| 28 } // namespace | |
| 29 | |
| 30 // static | |
| 31 void KioskModeIdleLogout::Initialize() { | |
| 32 g_kiosk_mode_idle_logout.Get(); | |
| 33 } | |
| 34 | |
| 35 KioskModeIdleLogout::KioskModeIdleLogout() { | |
| 36 if (KioskModeSettings::Get()->is_initialized()) { | |
| 37 Setup(); | |
| 38 } else { | |
| 39 KioskModeSettings::Get()->Initialize(base::Bind(&KioskModeIdleLogout::Setup, | |
| 40 base::Unretained(this))); | |
| 41 } | |
| 42 } | |
| 43 | |
| 44 KioskModeIdleLogout::~KioskModeIdleLogout() { | |
| 45 if (ash::Shell::HasInstance() && | |
| 46 ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this)) | |
| 47 ash::Shell::GetInstance()->user_activity_detector()->RemoveObserver(this); | |
| 48 } | |
| 49 | |
| 50 void KioskModeIdleLogout::Setup() { | |
| 51 if (user_manager::UserManager::Get()->IsLoggedInAsDemoUser()) { | |
| 52 // This means that we're recovering from a crash. The user is already | |
| 53 // logged in, so go ahead and start the timer. | |
| 54 Start(); | |
| 55 } else { | |
| 56 registrar_.Add(this, chrome::NOTIFICATION_LOGIN_USER_CHANGED, | |
| 57 content::NotificationService::AllSources()); | |
| 58 } | |
| 59 } | |
| 60 | |
| 61 void KioskModeIdleLogout::Observe( | |
| 62 int type, | |
| 63 const content::NotificationSource& source, | |
| 64 const content::NotificationDetails& details) { | |
| 65 if (type == chrome::NOTIFICATION_LOGIN_USER_CHANGED) { | |
| 66 Start(); | |
| 67 registrar_.RemoveAll(); | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 void KioskModeIdleLogout::OnUserActivity(const ui::Event* event) { | |
| 72 IdleLogoutDialogView::CloseDialog(); | |
| 73 ResetTimer(); | |
| 74 } | |
| 75 | |
| 76 void KioskModeIdleLogout::Start() { | |
| 77 if (!ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this)) | |
| 78 ash::Shell::GetInstance()->user_activity_detector()->AddObserver(this); | |
| 79 ResetTimer(); | |
| 80 } | |
| 81 | |
| 82 void KioskModeIdleLogout::ResetTimer() { | |
| 83 if (timer_.IsRunning()) { | |
| 84 timer_.Reset(); | |
| 85 } else { | |
| 86 // OneShotTimer destroys the posted task after running it, so Reset() | |
| 87 // isn't safe to call on a timer that's already fired. | |
| 88 timer_.Start(FROM_HERE, KioskModeSettings::Get()->GetIdleLogoutTimeout(), | |
| 89 base::Bind(&KioskModeIdleLogout::OnTimeout, | |
| 90 base::Unretained(this))); | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 void KioskModeIdleLogout::OnTimeout() { | |
| 95 IdleLogoutDialogView::ShowDialog(); | |
| 96 } | |
| 97 | |
| 98 } // namespace chromeos | |
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