Generic Sensor API : Ambient Light Sensor API.

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

+// 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.
+
+#ifndef AmbientLightSensor_h
+#define AmbientLightSensor_h
+
+#include "bindings/core/v8/ScriptPromise.h"
+#include "bindings/core/v8/ScriptPromiseProperty.h"
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "core/dom/ActiveDOMObject.h"
+#include "modules/EventTargetModules.h"
+#include "modules/ModulesExport.h"
+#include "modules/sensor/AmbientLightSensorReading.h"
+#include "modules/sensor/Sensor.h"
+#include "modules/sensor/SensorOptions.h"
+#include "modules/sensor/SensorState.h"
+#include "modules/sensor/als_reading.h"
+#include "platform/heap/Handle.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class ExceptionState;
+class ScriptState;
+
+class AmbientLightSensor
+    : public Sensor {
+    USING_GARBAGE_COLLECTED_MIXIN(AmbientLightSensor);
+    DEFINE_WRAPPERTYPEINFO();
+
+public:
+    static AmbientLightSensor* create(ExecutionContext*, SensorOptions, ExceptionState&);
+    static AmbientLightSensor* create(ExecutionContext*, ExceptionState&);
+
+    ~AmbientLightSensor() override;
+
+    // Getters
+    AmbientLightSensorReading& reading();
+
+    // Inherited from PlatformEventController.
+    void didUpdateData() override;
+    void registerWithDispatcher() override;
+    void unregisterWithDispatcher() override;
+    bool hasLastData() override;
+
+    DECLARE_VIRTUAL_TRACE();
+
+private:
+    AmbientLightSensor(ExecutionContext*, SensorOptions);
+    Member<AmbientLightSensorReading> m_lightReading;
+};
+
+} // namespace blink
+
+#endif // AmbientLightSensor_h