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1 // Copyright 2015 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_SENSORS_DEVICE_SENSORS_CONSTS_H_ | |
6 #define DEVICE_SENSORS_DEVICE_SENSORS_CONSTS_H_ | |
7 | |
8 #include "base/time/time.h" | |
9 | |
10 namespace device { | |
11 | |
12 // Constants related to the Device {Motion|Orientation} APIs. | |
13 | |
14 // A Java counterpart will be generated for this enum. | |
15 // GENERATED_JAVA_ENUM_PACKAGE: org.chromium.device.sensors | |
16 enum ConsumerType { | |
17 CONSUMER_TYPE_MOTION = 1 << 0, | |
18 CONSUMER_TYPE_ORIENTATION = 1 << 1, | |
19 CONSUMER_TYPE_ORIENTATION_ABSOLUTE = 1 << 2, | |
20 }; | |
21 | |
22 // Specifies the sampling rate for sensor data updates. | |
23 // Note that when changing this value it is desirable to have an adequate | |
24 // matching value |DeviceSensorEventPump::kDefaultPumpFrequencyHz| in | |
25 // content/renderer/device_orientation/device_sensor_event_pump.cc. | |
26 const int kDeviceSensorSamplingRateHz = 60; | |
27 const int kDeviceSensorIntervalMicroseconds = | |
28 base::Time::kMicrosecondsPerSecond / kDeviceSensorSamplingRateHz; | |
29 | |
30 } // namespace device | |
31 | |
32 #endif // DEVICE_SENSORS_DEVICE_SENSORS_CONSTS_H_ | |
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