blob: be97bcebe8df517fddbccdb973239fdb8b601902 [file] [log] [blame]
// Copyright 2014 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 "base/compiler_specific.h"
#include "base/macros.h"
#include "base/time/time.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
#include "ui/base/user_activity/user_activity_observer.h"
#include "ui/chromeos/ui_chromeos_export.h"
#include "ui/events/devices/input_device_event_observer.h"
namespace ui {
class UserActivityDetector;
// Notifies the power manager via D-Bus when the user is active.
class UI_CHROMEOS_EXPORT UserActivityPowerManagerNotifier
: public InputDeviceEventObserver,
public UserActivityObserver {
// Registers and unregisters itself as an observer of |detector| on
// construction and destruction.
explicit UserActivityPowerManagerNotifier(UserActivityDetector* detector);
~UserActivityPowerManagerNotifier() override;
// InputDeviceEventObserver implementation.
void OnStylusStateChanged(ui::StylusState state) override;
// UserActivityObserver implementation.
void OnUserActivity(const Event* event) override;
// Notifies power manager that the user is active and activity type. No-op if
// it is within 5 seconds from |last_notify_time_|.
void MaybeNotifyUserActivity(
power_manager::UserActivityType user_activity_type);
UserActivityDetector* detector_; // not owned
// Last time that the power manager was notified.
base::TimeTicks last_notify_time_;
} // namespace ui