[sensors] Ambient light sensor bindings implementation

third_party/WebKit/Source/modules/sensor/AmbientLightSensor.cpp

+// 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/AmbientLightSensor.h"
+
+#include "bindings/core/v8/ScriptPromise.h"
+#include "bindings/core/v8/ScriptPromiseResolver.h"
+#include "modules/sensor/AmbientLightSensorReading.h"
+
+using device::mojom::blink::SensorType;
+
+namespace blink {
+
+// static
+AmbientLightSensor* AmbientLightSensor::create(ExecutionContext* context, const SensorOptions& sensorOptions)
+{
+    return new AmbientLightSensor(context, sensorOptions);
+}
+
+// static
+AmbientLightSensor* AmbientLightSensor::create(ExecutionContext* context)
+{
+    return create(context, SensorOptions());
+}
+
+AmbientLightSensor::AmbientLightSensor(ExecutionContext* executionContext, const SensorOptions& sensorOptions)
+    : Sensor(executionContext, sensorOptions, SensorType::AMBIENT_LIGHT)
+{
+}
+
+AmbientLightSensorReading* AmbientLightSensor::reading() const
+{
+    return static_cast<AmbientLightSensorReading*>(Sensor::reading());
+}
+
+SensorReading* AmbientLightSensor::createSensorReading(SensorProxy* proxy)
+{
+    return AmbientLightSensorReading::create(proxy);
+}
+
+auto AmbientLightSensor::createSensorConfig(const SensorOptions& options, const SensorConfiguration& defaultConfig) -> SensorConfigurationPtr
+{
+    auto result = device::mojom::blink::SensorConfiguration::New();
+    result->frequency = options.hasFrequency() ? options.frequency() : defaultConfig.frequency;
+    return result;
+}
+
+DEFINE_TRACE(AmbientLightSensor)
+{
+    Sensor::trace(visitor);
+}
+
+} // namespace blink