/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
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**
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** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
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**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QAMBIENTLIGHTSENSOR_H
#define QAMBIENTLIGHTSENSOR_H

#include "qsensor.h"

QT_BEGIN_NAMESPACE

class QAmbientLightReadingPrivate;

class Q_SENSORS_EXPORT QAmbientLightReading : public QSensorReading
{
    Q_OBJECT
    Q_ENUMS(LightLevel)
    Q_PROPERTY(LightLevel lightLevel READ lightLevel)
    DECLARE_READING(QAmbientLightReading)
public:
    enum LightLevel {
        Undefined = 0,
        Dark,
        Twilight,
        Light,
        Bright,
        Sunny
    };

    LightLevel lightLevel() const;
    void setLightLevel(LightLevel lightLevel);
};

class Q_SENSORS_EXPORT QAmbientLightFilter : public QSensorFilter
{
public:
    virtual bool filter(QAmbientLightReading *reading) = 0;
private:
    bool filter(QSensorReading *reading) { return filter(static_cast<QAmbientLightReading*>(reading)); }
};

class Q_SENSORS_EXPORT QAmbientLightSensor : public QSensor
{
    Q_OBJECT
public:
    explicit QAmbientLightSensor(QObject *parent = 0) : QSensor(QAmbientLightSensor::type, parent) {}
    virtual ~QAmbientLightSensor() {}
    QAmbientLightReading *reading() const { return static_cast<QAmbientLightReading*>(QSensor::reading()); }
    static char const * const type;
};

QT_END_NAMESPACE

#endif