| // 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. |
| |
| #ifndef SERVICES_DEVICE_BATTERY_BATTERY_STATUS_MANAGER_H_ |
| #define SERVICES_DEVICE_BATTERY_BATTERY_STATUS_MANAGER_H_ |
| |
| #include <memory> |
| |
| #include "services/device/battery/battery_status_service.h" |
| |
| namespace device { |
| |
| // Platform specific manager class for fetching battery status data. |
| class BatteryStatusManager { |
| public: |
| // Creates a BatteryStatusManager object. |callback| should be called when the |
| // battery status changes. |
| static std::unique_ptr<BatteryStatusManager> Create( |
| const BatteryStatusService::BatteryUpdateCallback& callback); |
| |
| virtual ~BatteryStatusManager() {} |
| |
| // Start listening for battery status changes. New updates are signalled |
| // by invoking the callback provided at construction time. |
| // Note that this is called in the IO thread. |
| virtual bool StartListeningBatteryChange() = 0; |
| |
| // Stop listening for battery status changes. |
| // Note that this is called in the IO thread. |
| virtual void StopListeningBatteryChange() = 0; |
| }; |
| |
| } // namespace device |
| |
| #endif // SERVICES_DEVICE_BATTERY_BATTERY_STATUS_MANAGER_H_ |