Generic Sensor API : Ambient Light Sensor API.

third_party/WebKit/Source/modules/sensor/SensorReadingEvent.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/SensorReadingEvent.h"
+
+namespace blink {
+
+SensorReadingEvent::~SensorReadingEvent()
+{
+}
+
+SensorReadingEvent::SensorReadingEvent()
+{
+}
+
+SensorReadingEvent::SensorReadingEvent(const AtomicString& eventType)
+    : Event(eventType, true, false) // let default be bubbles but is not cancelable.
+    , m_reading(SensorReading::create())
+{
+}
+
+SensorReadingEvent::SensorReadingEvent(const AtomicString& eventType, SensorReading& reading)
+    : Event(eventType, true, false) // let default be bubbles but is not cancelable.
+    , m_reading(reading)
+{
+}
+
+SensorReadingEvent::SensorReadingEvent(const AtomicString& eventType, const SensorReadingEventInit& initializer)
+    : Event(eventType, initializer)
+    , m_reading(SensorReading::create())
+{
+    setCanBubble(true);
+}
+
+const AtomicString& SensorReadingEvent::interfaceName() const
+{
+    return EventNames::SensorReadingEvent;
+}
+
+DEFINE_TRACE(SensorReadingEvent)
+{
+    Event::trace(visitor);
+    visitor->trace(m_reading);
+}
+
+} // namespace blink