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#include "qmlaltimeter.h"
#include <QAltimeter>

/*!
    \qmltype Altimeter
    \instantiates QmlAltimeter
    \ingroup qml-sensors_type
    \inqmlmodule QtSensors
    \since QtSensors 5.1
    \inherits Sensor
    \brief The Altimeter element reports on altitude.

    The Altimeter element reports on altitude.

    This element wraps the QAltimeter class. Please see the documentation for
    QAltimeter for details.

    \sa AltimeterReading
*/

QmlAltimeter::QmlAltimeter(QObject *parent)
    : QmlSensor(parent)
    , m_sensor(new QAltimeter(this))
{
}

QmlAltimeter::~QmlAltimeter()
{
}

QmlSensorReading *QmlAltimeter::createReading() const
{
    return new QmlAltimeterReading(m_sensor);
}

QSensor *QmlAltimeter::sensor() const
{
    return m_sensor;
}

/*!
    \qmltype AltimeterReading
    \instantiates QmlAltimeterReading
    \ingroup qml-sensors_reading
    \inqmlmodule QtSensors
    \since QtSensors 5.1
    \inherits SensorReading
    \brief The AltimeterReading element holds the most recent Altimeter reading.

    The AltimeterReading element holds the most recent Altimeter reading.

    This element wraps the QAltimeterReading class. Please see the documentation for
    QAltimeterReading for details.

    This element cannot be directly created.
*/

QmlAltimeterReading::QmlAltimeterReading(QAltimeter *sensor)
    : QmlSensorReading(sensor)
    , m_sensor(sensor)
    , m_altitude(0)
{
}

QmlAltimeterReading::~QmlAltimeterReading()
{
}

/*!
    \qmlproperty qreal AltimeterReading::altitude
    This property holds the altitude of the device.

    Please see QAltimeterReading::altitude for information about this property.
*/

qreal QmlAltimeterReading::altitude() const
{
    return m_altitude;
}

QSensorReading *QmlAltimeterReading::reading() const
{
    return m_sensor->reading();
}

void QmlAltimeterReading::readingUpdate()
{
    qreal altitude = m_sensor->reading()->altitude();
    if (m_altitude != altitude) {
        m_altitude = altitude;
        Q_EMIT altitudeChanged();
    }
}
