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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef SensorReadingUpdater_h | 5 #ifndef SensorReadingUpdater_h |
6 #define SensorReadingUpdater_h | 6 #define SensorReadingUpdater_h |
7 | 7 |
8 #include "device/generic_sensor/public/interfaces/sensor_provider.mojom-blink.h" | 8 #include "device/generic_sensor/public/interfaces/sensor_provider.mojom-blink.h" |
9 #include "platform/heap/Handle.h" | 9 #include "platform/heap/Handle.h" |
10 | 10 |
11 namespace blink { | 11 namespace blink { |
12 | 12 |
| 13 class Document; |
13 class SensorProxy; | 14 class SensorProxy; |
14 | 15 |
15 // This class encapsulates sensor reading update notification logic. | 16 // This class encapsulates sensor reading update notification logic. |
16 class SensorReadingUpdater : public GarbageCollected<SensorReadingUpdater> { | 17 class SensorReadingUpdater : public GarbageCollected<SensorReadingUpdater> { |
17 public: | 18 public: |
18 static SensorReadingUpdater* create(SensorProxy*, | 19 static SensorReadingUpdater* create(SensorProxy*, |
19 device::mojom::blink::ReportingMode); | 20 device::mojom::blink::ReportingMode); |
20 | 21 |
21 virtual void start(); | 22 virtual void start(); |
22 | 23 |
23 DECLARE_VIRTUAL_TRACE(); | 24 DECLARE_VIRTUAL_TRACE(); |
24 | 25 |
25 protected: | 26 protected: |
26 explicit SensorReadingUpdater(SensorProxy*); | 27 explicit SensorReadingUpdater(SensorProxy*); |
27 void enqueueAnimationFrameTask(); | 28 void enqueueAnimationFrameTask(); |
28 virtual void onAnimationFrameInternal() = 0; | 29 virtual void onAnimationFrameInternal() = 0; |
29 | 30 |
30 Member<SensorProxy> m_sensorProxy; | 31 Member<SensorProxy> m_sensorProxy; |
| 32 WeakMember<Document> m_document; |
31 bool m_hasPendingAnimationFrameTask; | 33 bool m_hasPendingAnimationFrameTask; |
32 | 34 |
33 private: | 35 private: |
34 void onAnimationFrame(); | 36 void onAnimationFrame(); |
35 }; | 37 }; |
36 | 38 |
37 } // namespace blink | 39 } // namespace blink |
38 | 40 |
39 #endif // SensorReadingUpdater_h | 41 #endif // SensorReadingUpdater_h |
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