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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef SensorReadingUpdater_h |
| 6 #define SensorReadingUpdater_h |
| 7 |
| 8 #include "device/generic_sensor/public/interfaces/sensor_provider.mojom-blink.h" |
| 9 #include "platform/heap/Handle.h" |
| 10 |
| 11 namespace blink { |
| 12 |
| 13 class SensorProxy; |
| 14 |
| 15 // This class encapsulates sensor reading update notification logic. |
| 16 class SensorReadingUpdater : public GarbageCollected<SensorProxy> { |
| 17 public: |
| 18 static SensorReadingUpdater* create(SensorProxy*, |
| 19 device::mojom::blink::ReportingMode); |
| 20 |
| 21 virtual void start(); |
| 22 |
| 23 DECLARE_VIRTUAL_TRACE(); |
| 24 |
| 25 protected: |
| 26 explicit SensorReadingUpdater(SensorProxy*); |
| 27 void enqueueAnimationFrameTask(); |
| 28 virtual void onAnimationFrameInternal() = 0; |
| 29 |
| 30 Member<SensorProxy> m_sensorProxy; |
| 31 bool m_hasPendingAnimationFrameTask; |
| 32 |
| 33 private: |
| 34 void onAnimationFrame(); |
| 35 }; |
| 36 |
| 37 } // namespace blink |
| 38 |
| 39 #endif // SensorReadingUpdater_h |
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