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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 DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_IIO_H_ | |
6 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_IIO_H_ | |
7 | |
8 #include "device/generic_sensor/platform_sensor.h" | |
9 | |
10 #include "base/timer/timer.h" | |
11 | |
12 namespace base { | |
13 class SingleThreadTaskRunner; | |
14 } | |
15 | |
16 namespace device { | |
17 | |
18 class PlatformSensorIio : public PlatformSensor { | |
19 public: | |
20 PlatformSensorIio( | |
21 mojom::SensorType type, | |
22 mojo::ScopedSharedBufferMapping mapping, | |
23 PlatformSensorProvider* provider, | |
24 scoped_refptr<base::SingleThreadTaskRunner> polling_task_runner); | |
25 | |
26 virtual void UpdateReading() = 0; | |
Mikhail
2016/10/11 14:46:47
rename to 'PollForReadingData()'. Can it be protec
maksims (do not use this acc)
2016/10/14 12:31:45
Done.
| |
27 | |
28 protected: | |
29 ~PlatformSensorIio() override; | |
30 bool StartSensor(const PlatformSensorConfiguration& configuration) override; | |
31 void StopSensor() override; | |
32 bool CheckSensorConfiguration( | |
33 const PlatformSensorConfiguration& configuration) override; | |
34 | |
35 void OnSensorReadFailed(); | |
36 | |
37 // Task runner that is used to poll sensor data from | |
38 // sensor files. | |
39 scoped_refptr<base::SingleThreadTaskRunner> polling_thread_task_runner_; | |
40 | |
41 private: | |
42 void BeginPoll(const PlatformSensorConfiguration& configuration); | |
43 void StopPoll(); | |
44 void OnStop(); | |
45 | |
46 // Owned timer to be deleted on polling thread. | |
47 base::RepeatingTimer* timer_; | |
48 | |
49 base::WeakPtrFactory<PlatformSensorIio> weak_factory_; | |
50 | |
51 DISALLOW_COPY_AND_ASSIGN(PlatformSensorIio); | |
52 }; | |
53 | |
54 } // namespace device | |
55 | |
56 #endif // DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_IIO_H_ | |
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