/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
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** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QLIGHTSENSOR_H
#define QLIGHTSENSOR_H

#include <QtSensors/qsensor.h>

QT_BEGIN_NAMESPACE

class QLightReadingPrivate;

class Q_SENSORS_EXPORT QLightReading : public QSensorReading
{
    Q_OBJECT
    Q_PROPERTY(qreal lux READ lux)
    DECLARE_READING(QLightReading)
public:
    qreal lux() const;
    void setLux(qreal lux);
};

class Q_SENSORS_EXPORT QLightFilter : public QSensorFilter
{
public:
    virtual bool filter(QLightReading *reading) = 0;
private:
    bool filter(QSensorReading *reading) Q_DECL_OVERRIDE;
};

class QLightSensorPrivate;

class Q_SENSORS_EXPORT QLightSensor : public QSensor
{
    Q_OBJECT
    Q_PROPERTY(qreal fieldOfView READ fieldOfView NOTIFY fieldOfViewChanged)
public:
    explicit QLightSensor(QObject *parent = 0);
    virtual ~QLightSensor();
    QLightReading *reading() const;
    static char const * const type;

    qreal fieldOfView() const;
    void setFieldOfView(qreal fieldOfView);

Q_SIGNALS:
    void fieldOfViewChanged(qreal fieldOfView);

private:
    Q_DECLARE_PRIVATE(QLightSensor)
    Q_DISABLE_COPY(QLightSensor)
};

QT_END_NAMESPACE

#endif