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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 DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_CONFIGURATION_H_ | 5 #ifndef DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_CONFIGURATION_H_ |
6 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_CONFIGURATION_H_ | 6 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_CONFIGURATION_H_ |
7 | 7 |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "device/generic_sensor/sensor_export.h" | 9 #include "device/generic_sensor/sensor_export.h" |
10 | 10 |
11 namespace device { | 11 namespace device { |
12 | 12 |
13 class DEVICE_SENSOR_EXPORT PlatformSensorConfiguration { | 13 class DEVICE_SENSOR_EXPORT PlatformSensorConfiguration { |
14 public: | 14 public: |
15 PlatformSensorConfiguration(); | 15 PlatformSensorConfiguration(); |
16 explicit PlatformSensorConfiguration(double frequency); | 16 explicit PlatformSensorConfiguration(double frequency); |
17 ~PlatformSensorConfiguration(); | 17 ~PlatformSensorConfiguration(); |
18 | 18 |
19 bool operator==(const PlatformSensorConfiguration& other) const; | 19 bool operator==(const PlatformSensorConfiguration& other) const; |
20 | 20 |
| 21 // Platform dependent implementations can override this operator if different |
| 22 // optimal configuration comparison is required. By default, only frequency is |
| 23 // used to compare two configurations. |
| 24 virtual bool operator>(const PlatformSensorConfiguration& other) const; |
| 25 |
21 void set_frequency(double frequency) { | 26 void set_frequency(double frequency) { |
22 DCHECK(frequency_ <= kMaxAllowedFrequency && frequency_ > 0.0); | 27 DCHECK(frequency_ <= kMaxAllowedFrequency && frequency_ > 0.0); |
23 frequency_ = frequency; | 28 frequency_ = frequency; |
24 } | 29 } |
25 | 30 |
26 double frequency() const { return frequency_; } | 31 double frequency() const { return frequency_; } |
27 | 32 |
28 static constexpr double kMaxAllowedFrequency = 60.0; | 33 static constexpr double kMaxAllowedFrequency = 60.0; |
29 | 34 |
30 private: | 35 private: |
31 double frequency_ = 1.0; // 1 Hz by default. | 36 double frequency_ = 1.0; // 1 Hz by default. |
32 }; | 37 }; |
33 | 38 |
34 } // namespace device | 39 } // namespace device |
35 | 40 |
36 #endif // DEVICE_SENSORS_PLATFORM_SENSOR_CONFIGURATION_H_ | 41 #endif // DEVICE_SENSORS_PLATFORM_SENSOR_CONFIGURATION_H_ |
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