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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_ANDROID_H_ | |
6 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_ANDROID_H_ | |
7 | |
8 #include "device/generic_sensor/platform_sensor.h" | |
9 #include "base/android/scoped_java_ref.h" | |
10 #include "base/memory/ref_counted.h" | |
11 | |
12 namespace base { | |
13 class SingleThreadTaskRunner; | |
14 } | |
15 | |
16 namespace device { | |
17 | |
18 class PlatformSensorAndroid : public PlatformSensor { | |
19 public: | |
20 // Register C++ methods exposed to Java using JNI. | |
21 static bool RegisterJNI(JNIEnv* env); | |
22 | |
23 PlatformSensorAndroid(mojom::SensorType type, | |
24 mojo::ScopedSharedBufferMapping mapping, | |
25 uint64_t buffer_size, | |
26 PlatformSensorProvider* provider, | |
27 const base::android::JavaRef<jobject>& java_sensor); | |
28 | |
29 ~PlatformSensorAndroid() override; | |
30 mojom::ReportingMode GetReportingMode() override; | |
31 | |
32 void NotifyPlatformSensorReadingChanged( | |
33 JNIEnv*, | |
34 const base::android::JavaRef<jobject>& caller); | |
35 void NotifyPlatformSensorError(JNIEnv*, | |
36 const base::android::JavaRef<jobject>& caller); | |
37 | |
38 protected: | |
39 virtual bool StartSensor( | |
40 const PlatformSensorConfiguration& configuration) override; | |
ncarter (slow)
2016/08/29 17:37:51
note that 'virtual' is unnecessary if 'override' i
| |
41 virtual void StopSensor() override; | |
42 bool CheckSensorConfiguration( | |
43 const PlatformSensorConfiguration& configuration) override; | |
44 | |
45 private: | |
46 // Java object org.chromium.device.sensors.PlatformSensor | |
47 base::android::ScopedJavaGlobalRef<jobject> j_object_; | |
48 // Task runner that is used by mojo objects for the IPC. Android sensor | |
49 // objects share separate handler thread that processes sensor | |
50 // events. Notifications from Java side are forwarded to |task_runner_|. | |
51 scoped_refptr<base::SingleThreadTaskRunner> task_runner_; | |
52 DISALLOW_COPY_AND_ASSIGN(PlatformSensorAndroid); | |
53 }; | |
54 | |
55 } // namespace device | |
56 | |
57 #endif // DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_ANDROID_H_ | |
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