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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 #include "modules/sensor/AmbientLightSensorReading.h" |
| 6 |
| 7 #include "modules/sensor/SensorProxy.h" |
| 8 |
| 9 namespace blink { |
| 10 |
| 11 AmbientLightSensorReading::AmbientLightSensorReading(const AmbientLightSensorRea
dingInit& init) |
| 12 : SensorReading(nullptr) |
| 13 , mAmbientLightSensorReadingInit(init) |
| 14 { |
| 15 } |
| 16 |
| 17 AmbientLightSensorReading::AmbientLightSensorReading(SensorProxy* proxy) |
| 18 : SensorReading(proxy) |
| 19 , mAmbientLightSensorReadingInit(AmbientLightSensorReadingInit()) |
| 20 { |
| 21 } |
| 22 |
| 23 AmbientLightSensorReading::~AmbientLightSensorReading() = default; |
| 24 |
| 25 double AmbientLightSensorReading::illuminance() const |
| 26 { |
| 27 if (mAmbientLightSensorReadingInit.hasIlluminance()) |
| 28 return mAmbientLightSensorReadingInit.illuminance(); |
| 29 |
| 30 if (!m_sensorProxy) |
| 31 return 0.0; |
| 32 return m_sensorProxy->reading().reading[0]; |
| 33 } |
| 34 |
| 35 bool AmbientLightSensorReading::isReadingUpdated(const SensorProxy::Reading& pre
vious) const |
| 36 { |
| 37 if (!m_sensorProxy) |
| 38 return false; |
| 39 return previous.reading[0] != illuminance(); |
| 40 } |
| 41 |
| 42 DEFINE_TRACE(AmbientLightSensorReading) |
| 43 { |
| 44 SensorReading::trace(visitor); |
| 45 } |
| 46 |
| 47 } // namespace blink |
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