| // Copyright 2016 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 SensorReadingUpdater_h |
| #define SensorReadingUpdater_h |
| |
| #include "device/generic_sensor/public/interfaces/sensor_provider.mojom-blink.h" |
| #include "platform/heap/Handle.h" |
| |
| namespace blink { |
| |
| class SensorProxy; |
| |
| // This class encapsulates sensor reading update notification logic. |
| class SensorReadingUpdater : public GarbageCollected<SensorProxy> { |
| public: |
| static SensorReadingUpdater* create(SensorProxy*, |
| device::mojom::blink::ReportingMode); |
| |
| virtual void start(); |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| protected: |
| explicit SensorReadingUpdater(SensorProxy*); |
| void enqueueAnimationFrameTask(); |
| virtual void onAnimationFrameInternal() = 0; |
| |
| Member<SensorProxy> m_sensorProxy; |
| bool m_hasPendingAnimationFrameTask; |
| |
| private: |
| void onAnimationFrame(); |
| }; |
| |
| } // namespace blink |
| |
| #endif // SensorReadingUpdater_h |