| // Copyright 2016 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. |
| |
| #include "modules/sensor/AmbientLightSensorReading.h" |
| |
| #include "modules/sensor/SensorProxy.h" |
| |
| namespace blink { |
| |
| AmbientLightSensorReading::AmbientLightSensorReading( |
| const AmbientLightSensorReadingInit& init) |
| : SensorReading(nullptr), mAmbientLightSensorReadingInit(init) {} |
| |
| AmbientLightSensorReading::AmbientLightSensorReading(SensorProxy* proxy) |
| : SensorReading(proxy), |
| mAmbientLightSensorReadingInit(AmbientLightSensorReadingInit()) {} |
| |
| AmbientLightSensorReading::~AmbientLightSensorReading() = default; |
| |
| double AmbientLightSensorReading::illuminance() const { |
| if (mAmbientLightSensorReadingInit.hasIlluminance()) |
| return mAmbientLightSensorReadingInit.illuminance(); |
| |
| if (!m_sensorProxy) |
| return 0.0; |
| return m_sensorProxy->reading().values[0]; |
| } |
| |
| bool AmbientLightSensorReading::isReadingUpdated( |
| const SensorProxy::Reading& previous) const { |
| if (!m_sensorProxy) |
| return false; |
| return previous.values[0] != illuminance(); |
| } |
| |
| DEFINE_TRACE(AmbientLightSensorReading) { |
| SensorReading::trace(visitor); |
| } |
| |
| } // namespace blink |
