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// 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 "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/users/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"
#include "ui/wm/core/user_activity_detector.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
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