Index: third_party/WebKit/Source/modules/sensor/AmbientLightSensorReading.cpp |
diff --git a/third_party/WebKit/Source/modules/sensor/AmbientLightSensorReading.cpp b/third_party/WebKit/Source/modules/sensor/AmbientLightSensorReading.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5c923aff08c2e10cc425f1829f680551c0c8ebd3 |
--- /dev/null |
+++ b/third_party/WebKit/Source/modules/sensor/AmbientLightSensorReading.cpp |
@@ -0,0 +1,47 @@ |
+// 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; |
timvolodine
2016/09/19 16:37:32
is this according to spec?
|
+ return m_sensorProxy->reading().reading[0]; |
+} |
+ |
+bool AmbientLightSensorReading::isReadingUpdated(const SensorProxy::Reading& previous) const |
+{ |
+ if (!m_sensorProxy) |
+ return false; |
+ return previous.reading[0] != illuminance(); |
+} |
+ |
+DEFINE_TRACE(AmbientLightSensorReading) |
+{ |
+ SensorReading::trace(visitor); |
+} |
+ |
+} // namespace blink |