/****************************************************************************
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** Copyright (C) 2016 Research In Motion
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSensors module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
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****************************************************************************/
#ifndef QALTIMETER_H
#define QALTIMETER_H

#include <QtSensors/qsensor.h>

QT_BEGIN_NAMESPACE

class QAltimeterReadingPrivate;

class Q_SENSORS_EXPORT QAltimeterReading : public QSensorReading
{
    Q_OBJECT
    Q_PROPERTY(qreal altitude READ altitude)
    DECLARE_READING(QAltimeterReading)
public:
    qreal altitude() const;
    void setAltitude(qreal altitude);
};

class Q_SENSORS_EXPORT QAltimeterFilter : public QSensorFilter
{
public:
    virtual bool filter(QAltimeterReading *reading) = 0;
private:
    bool filter(QSensorReading *reading) override;
};

class Q_SENSORS_EXPORT QAltimeter : public QSensor
{
    Q_OBJECT
public:
    explicit QAltimeter(QObject *parent = Q_NULLPTR);
    ~QAltimeter();
    QAltimeterReading *reading() const;
    static char const * const type;

private:
    Q_DISABLE_COPY(QAltimeter)
};

QT_END_NAMESPACE

#endif