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#include "sensorfwproximitysensor.h"

char const * const SensorfwProximitySensor::id("sensorfw.proximitysensor");

SensorfwProximitySensor::SensorfwProximitySensor(QSensor *sensor)
    : SensorfwSensorBase(sensor),
      m_initDone(false),
      m_exClose(-1)
{
    init();
    setReading<QProximityReading>(&m_reading);
    addDataRate(10,10); //TODO: fix this when we know better
    sensor->setDataRate(10);//set a default rate
}

void SensorfwProximitySensor::start()
{
    if (reinitIsNeeded)
        init();
    SensorfwSensorBase::start();
    if (m_sensorInterface) {
        Unsigned data(((ProximitySensorChannelInterface*)m_sensorInterface)->proximity());
        // Note: Unlike reflectanceDataAvailable() signal, the query
        //       above returns only integer reflectance without the
        //       boolean withinProximity value.
        bool close = (data.x() == 0);
        m_exClose = close;
        m_reading.setClose(close);
        m_reading.setTimestamp(data.UnsignedData().timestamp_);
        m_exClose = (int)m_reading.close();
        newReadingAvailable();
    }
}

void SensorfwProximitySensor::slotReflectanceDataAvailable(const Proximity& data)
{
    bool close = (data.reflectance() == 0);
    if (close == m_exClose) return;
    m_reading.setClose(close);
    m_reading.setTimestamp(data.UnsignedData().timestamp_);
    newReadingAvailable();
    m_exClose = (int)close;
}

bool SensorfwProximitySensor::doConnect()
{
    Q_ASSERT(m_sensorInterface);
    return QObject::connect(m_sensorInterface, SIGNAL(reflectanceDataAvailable(const Proximity&)),
                            this, SLOT(slotReflectanceDataAvailable(const Proximity&)));
}


QString SensorfwProximitySensor::sensorName() const
{
    return "proximitysensor";
}

void SensorfwProximitySensor::init()
{
    m_initDone = false;
    initSensor<ProximitySensorChannelInterface>(m_initDone);
}