| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_idle_logout.h" |
| |
| #include "ash/shell.h" |
| #include "ash/wm/user_activity_detector.h" |
| #include "base/bind.h" |
| #include "base/lazy_instance.h" |
| #include "base/logging.h" |
| #include "base/message_loop/message_loop.h" |
| #include "chrome/browser/chrome_notification_types.h" |
| #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h" |
| #include "chrome/browser/chromeos/login/user_manager.h" |
| #include "chrome/browser/chromeos/ui/idle_logout_dialog_view.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "content/public/browser/notification_service.h" |
| |
| namespace chromeos { |
| |
| namespace { |
| |
| static base::LazyInstance<KioskModeIdleLogout> |
| g_kiosk_mode_idle_logout = LAZY_INSTANCE_INITIALIZER; |
| |
| } // namespace |
| |
| // static |
| void KioskModeIdleLogout::Initialize() { |
| g_kiosk_mode_idle_logout.Get(); |
| } |
| |
| KioskModeIdleLogout::KioskModeIdleLogout() { |
| if (KioskModeSettings::Get()->is_initialized()) { |
| Setup(); |
| } else { |
| KioskModeSettings::Get()->Initialize(base::Bind(&KioskModeIdleLogout::Setup, |
| base::Unretained(this))); |
| } |
| } |
| |
| KioskModeIdleLogout::~KioskModeIdleLogout() { |
| if (ash::Shell::HasInstance() && |
| ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this)) |
| ash::Shell::GetInstance()->user_activity_detector()->RemoveObserver(this); |
| } |
| |
| void KioskModeIdleLogout::Setup() { |
| if (UserManager::Get()->IsLoggedInAsDemoUser()) { |
| // This means that we're recovering from a crash. The user is already |
| // logged in, so go ahead and start the timer. |
| Start(); |
| } else { |
| registrar_.Add(this, chrome::NOTIFICATION_LOGIN_USER_CHANGED, |
| content::NotificationService::AllSources()); |
| } |
| } |
| |
| void KioskModeIdleLogout::Observe( |
| int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) { |
| if (type == chrome::NOTIFICATION_LOGIN_USER_CHANGED) { |
| Start(); |
| registrar_.RemoveAll(); |
| } |
| } |
| |
| void KioskModeIdleLogout::OnUserActivity(const ui::Event* event) { |
| IdleLogoutDialogView::CloseDialog(); |
| ResetTimer(); |
| } |
| |
| void KioskModeIdleLogout::Start() { |
| if (!ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this)) |
| ash::Shell::GetInstance()->user_activity_detector()->AddObserver(this); |
| ResetTimer(); |
| } |
| |
| void KioskModeIdleLogout::ResetTimer() { |
| if (timer_.IsRunning()) { |
| timer_.Reset(); |
| } else { |
| // OneShotTimer destroys the posted task after running it, so Reset() |
| // isn't safe to call on a timer that's already fired. |
| timer_.Start(FROM_HERE, KioskModeSettings::Get()->GetIdleLogoutTimeout(), |
| base::Bind(&KioskModeIdleLogout::OnTimeout, |
| base::Unretained(this))); |
| } |
| } |
| |
| void KioskModeIdleLogout::OnTimeout() { |
| IdleLogoutDialogView::ShowDialog(); |
| } |
| |
| } // namespace chromeos |