Index: device/generic_sensor/public/cpp/sensor_shared_buffer_reader.h |
diff --git a/device/generic_sensor/public/cpp/sensor_shared_buffer_reader.h b/device/generic_sensor/public/cpp/sensor_shared_buffer_reader.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..41499c8335c4afc4532d9c08a74c7e2d6fa19318 |
--- /dev/null |
+++ b/device/generic_sensor/public/cpp/sensor_shared_buffer_reader.h |
@@ -0,0 +1,34 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef DEVICE_GENERIC_SENSOR_PUBLIC_CPP_SENSOR_SHARED_BUFFER_READER_H_ |
+#define DEVICE_GENERIC_SENSOR_PUBLIC_CPP_SENSOR_SHARED_BUFFER_READER_H_ |
+ |
+#include "base/macros.h" |
+#include "device/generic_sensor/public/cpp/generic_sensor_public_export.h" |
+ |
+namespace device { |
+ |
+struct SensorReading; |
+struct SensorReadingSharedBuffer; |
+ |
+class DEVICE_GENERIC_SENSOR_PUBLIC_EXPORT SensorSharedBufferReader { |
Mikhail
2017/06/20 13:50:00
It's a good idea to export this functionality sinc
juncai
2017/06/20 19:50:55
Done.
|
+ public: |
+ explicit SensorSharedBufferReader(const SensorReadingSharedBuffer* buffer); |
+ ~SensorSharedBufferReader(); |
+ |
+ // Get sensor reading from shared buffer. |
+ bool GetSensorReading(SensorReading* result); |
+ |
+ private: |
+ bool TryReadFromBuffer(SensorReading* result); |
+ |
+ const SensorReadingSharedBuffer* buffer_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(SensorSharedBufferReader); |
+}; |
+ |
+} // namespace device |
+ |
+#endif // DEVICE_GENERIC_SENSOR_PUBLIC_CPP_SENSOR_SHARED_BUFFER_READER_H_ |