| // 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. |
| |
| #ifndef UI_CHROMEOS_USER_ACTIVITY_POWER_MANAGER_NOTIFIER_H_ |
| #define UI_CHROMEOS_USER_ACTIVITY_POWER_MANAGER_NOTIFIER_H_ |
| |
| #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 { |
| public: |
| // 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; |
| |
| private: |
| // 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(UserActivityPowerManagerNotifier); |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_CHROMEOS_USER_ACTIVITY_POWER_MANAGER_NOTIFIER_H_ |