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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/app_mode/kiosk_mode_idle_app_name_notification.h"
#include <memory>
#include "base/check.h"
#include "base/command_line.h"
#include "base/functional/bind.h"
#include "chrome/browser/ash/notifications/idle_app_name_notification_view.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/chrome_switches.h"
#include "chromeos/dbus/power/power_manager_client.h"
#include "components/user_manager/user_manager.h"
#include "extensions/browser/extension_registry.h"
#include "ui/base/user_activity/user_activity_detector.h"
#include "ui/display/display.h"
#include "ui/display/screen.h"
namespace ash {
namespace {
// The timeout in ms before the message shows up.
const int kIdleAppNameNotificationTimeoutMs = 20 * 60 * 1000;
// The duration of visibility for the message.
const int kMessageVisibilityTimeMs = 3000;
// The anomation time to show / hide the message.
const int kMessageAnimationTimeMs = 200;
// Our global instance of the Kiosk mode message.
KioskModeIdleAppNameNotification* g_kiosk_mode_idle_app_message = nullptr;
} // namespace
// static
void KioskModeIdleAppNameNotification::Initialize() {
DCHECK(!g_kiosk_mode_idle_app_message);
g_kiosk_mode_idle_app_message = new KioskModeIdleAppNameNotification();
}
// static
void KioskModeIdleAppNameNotification::Shutdown() {
if (g_kiosk_mode_idle_app_message) {
delete g_kiosk_mode_idle_app_message;
g_kiosk_mode_idle_app_message = nullptr;
}
}
KioskModeIdleAppNameNotification::KioskModeIdleAppNameNotification()
: show_notification_upon_next_user_activity_(false) {
// Note: The timeout is currently fixed. If that changes we need to check if
// the KioskModeSettings were already initialized.
Setup();
}
KioskModeIdleAppNameNotification::~KioskModeIdleAppNameNotification() {
ui::UserActivityDetector* user_activity_detector =
ui::UserActivityDetector::Get();
if (user_activity_detector->HasObserver(this)) {
user_activity_detector->RemoveObserver(this);
}
auto* power_manager = chromeos::PowerManagerClient::Get();
if (power_manager && power_manager->HasObserver(this)) {
power_manager->RemoveObserver(this);
}
}
void KioskModeIdleAppNameNotification::Setup() {
DCHECK(user_manager::UserManager::Get()->IsUserLoggedIn());
Start();
}
void KioskModeIdleAppNameNotification::OnUserActivity(const ui::Event* event) {
if (show_notification_upon_next_user_activity_) {
display::Display display =
display::Screen::GetScreen()->GetPrimaryDisplay();
// The widget only appears on internal displays because the intent is to
// avoid an app spoofing a password screen on a Chromebook. Customers using
// external monitors for kiosk don't want this notification to show.
// See https://crbug.com/369118
if (display.IsInternal()) {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
const std::string app_id =
command_line->GetSwitchValueASCII(::switches::kAppId);
Profile* profile = ProfileManager::GetActiveUserProfile();
notification_ = std::make_unique<IdleAppNameNotificationView>(
kMessageVisibilityTimeMs, kMessageAnimationTimeMs,
extensions::ExtensionRegistry::Get(profile)->GetInstalledExtension(
app_id));
}
show_notification_upon_next_user_activity_ = false;
}
ResetTimer();
}
void KioskModeIdleAppNameNotification::SuspendDone(
base::TimeDelta sleep_duration) {
// When we come back from a system resume we stop the timer and show the
// message.
timer_.Stop();
OnTimeout();
}
void KioskModeIdleAppNameNotification::Start() {
ui::UserActivityDetector* user_activity_detector =
ui::UserActivityDetector::Get();
if (!user_activity_detector->HasObserver(this)) {
user_activity_detector->AddObserver(this);
chromeos::PowerManagerClient::Get()->AddObserver(this);
}
ResetTimer();
}
void KioskModeIdleAppNameNotification::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,
base::Milliseconds(kIdleAppNameNotificationTimeoutMs),
base::BindOnce(&KioskModeIdleAppNameNotification::OnTimeout,
base::Unretained(this)));
}
}
void KioskModeIdleAppNameNotification::OnTimeout() {
show_notification_upon_next_user_activity_ = true;
}
} // namespace ash
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