OLD | NEW |
---|---|
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 DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_LINUX_H_ | 5 #ifndef DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_LINUX_H_ |
6 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_LINUX_H_ | 6 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_LINUX_H_ |
7 | 7 |
8 #include "device/generic_sensor/platform_sensor.h" | 8 #include "device/generic_sensor/platform_sensor.h" |
9 | 9 |
10 namespace base { | 10 namespace base { |
11 class RepeatingTimer; | |
12 class SingleThreadTaskRunner; | 11 class SingleThreadTaskRunner; |
13 class Thread; | |
14 } | 12 } |
15 | 13 |
16 namespace device { | 14 namespace device { |
17 | 15 |
18 class SensorReader; | 16 class SensorReader; |
19 struct SensorDataLinux; | 17 struct SensorInfoLinux; |
20 | 18 |
21 class PlatformSensorLinux : public PlatformSensor { | 19 class PlatformSensorLinux : public PlatformSensor { |
22 public: | 20 public: |
23 PlatformSensorLinux( | 21 PlatformSensorLinux( |
24 mojom::SensorType type, | 22 mojom::SensorType type, |
25 mojo::ScopedSharedBufferMapping mapping, | 23 mojo::ScopedSharedBufferMapping mapping, |
26 PlatformSensorProvider* provider, | 24 PlatformSensorProvider* provider, |
27 const SensorDataLinux& data, | 25 SensorInfoLinux* sensor_device, |
Reilly Grant (use Gerrit)
2016/12/08 02:31:14
This should probably be a const SensorInfoLinux*.
maksims (do not use this acc)
2016/12/08 18:39:17
Done.
| |
28 std::unique_ptr<SensorReader> sensor_reader, | |
29 scoped_refptr<base::SingleThreadTaskRunner> polling_thread_task_runner); | 26 scoped_refptr<base::SingleThreadTaskRunner> polling_thread_task_runner); |
30 | 27 |
31 // Thread safe. | |
32 mojom::ReportingMode GetReportingMode() override; | 28 mojom::ReportingMode GetReportingMode() override; |
33 | 29 |
30 // Called by a sensor reader. Takes new readings. | |
31 void UpdatePlatformSensorReading(SensorReading reading); | |
32 | |
33 // Called by a sensor reader if an error occurs. | |
34 void NotifyPlatformSensorError(); | |
35 | |
34 protected: | 36 protected: |
35 ~PlatformSensorLinux() override; | 37 ~PlatformSensorLinux() override; |
36 bool StartSensor(const PlatformSensorConfiguration& configuration) override; | 38 bool StartSensor(const PlatformSensorConfiguration& configuration) override; |
37 void StopSensor() override; | 39 void StopSensor() override; |
38 bool CheckSensorConfiguration( | 40 bool CheckSensorConfiguration( |
39 const PlatformSensorConfiguration& configuration) override; | 41 const PlatformSensorConfiguration& configuration) override; |
40 PlatformSensorConfiguration GetDefaultConfiguration() override; | 42 PlatformSensorConfiguration GetDefaultConfiguration() override; |
41 | 43 |
42 private: | 44 private: |
43 void BeginPoll(const PlatformSensorConfiguration& configuration); | |
44 void StopPoll(); | |
45 | |
46 // Triggers |sensor_reader_| to read new sensor data. | |
47 // If new data is read, UpdateSensorReading() is called. | |
48 void PollForReadingData(); | |
49 | |
50 // Owned timer to be deleted on a polling thread. | |
51 base::RepeatingTimer* timer_; | |
52 | |
53 const PlatformSensorConfiguration default_configuration_; | 45 const PlatformSensorConfiguration default_configuration_; |
54 const mojom::ReportingMode reporting_mode_; | 46 const mojom::ReportingMode reporting_mode_; |
55 | 47 |
56 // A sensor reader that reads values from sensor files | 48 // A sensor reader that reads values from sensor files |
57 // and stores them to a SensorReading structure. | 49 // and stores them to a SensorReading structure. |
58 std::unique_ptr<SensorReader> sensor_reader_; | 50 std::unique_ptr<SensorReader> sensor_reader_; |
59 | 51 |
60 // A task runner that is used to poll sensor data. | |
61 scoped_refptr<base::SingleThreadTaskRunner> polling_thread_task_runner_; | |
62 | |
63 // Stores previously read values that are used to | 52 // Stores previously read values that are used to |
64 // determine whether the recent values are changed | 53 // determine whether the recent values are changed |
65 // and IPC can be notified that updates are available. | 54 // and IPC can be notified that updates are available. |
66 SensorReading old_values_; | 55 SensorReading old_values_; |
67 | 56 |
68 base::WeakPtrFactory<PlatformSensorLinux> weak_factory_; | 57 base::WeakPtrFactory<PlatformSensorLinux> weak_factory_; |
69 | 58 |
70 DISALLOW_COPY_AND_ASSIGN(PlatformSensorLinux); | 59 DISALLOW_COPY_AND_ASSIGN(PlatformSensorLinux); |
71 }; | 60 }; |
72 | 61 |
73 } // namespace device | 62 } // namespace device |
74 | 63 |
75 #endif // DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_LINUX_H_ | 64 #endif // DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_LINUX_H_ |
OLD | NEW |