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#include "maemo6tapsensor.h"

#include <tapdata.h>

const char *maemo6tapsensor::id("maemo6.tapsensor");
bool maemo6tapsensor::m_initDone = false;

maemo6tapsensor::maemo6tapsensor(QSensor *sensor)
    : maemo6sensorbase(sensor), m_sensor(sensor)
{
    setReading<QTapReading>(&m_reading);

    if (!m_initDone) {
        qDBusRegisterMetaType<Tap>();
        initSensor<TapSensorChannelInterface>("tapsensor");

        if (m_sensorInterface)
            QObject::connect(static_cast<TapSensorChannelInterface*>(m_sensorInterface), SIGNAL(dataAvailable(const Tap&)), this, SLOT(slotDataAvailable(const Tap&)));
        else
            qWarning() << "Unable to initialize tap sensor.";

        // metadata
        addDataRate(100, 100); // 100Hz
        sensor->setDataRate(100);
        addOutputRange(0, 9, 1);
        setDescription(QLatin1String("Measures single and double taps and gives tap direction"));

        m_initDone = true;
    }
}

void maemo6tapsensor::slotDataAvailable(const Tap& data)
{
    // Set tap type (single/double)
    bool doubleTap;
    switch (data.type()) {
        case TapData::DoubleTap: doubleTap = true; break;
        case TapData::SingleTap: doubleTap = false; break;
        default:                 doubleTap = false;
    }
    QVariant v = m_sensor->property("returnDoubleTapEvents");
    if (v.isValid() && v.toBool() == false)
        m_reading.setDoubleTap(false);
    else
        m_reading.setDoubleTap(doubleTap);

    // Set tap direction
    QTapReading::TapDirection o;
    switch (data.direction()) {
        case TapData::X:         o = QTapReading::X;         break;
        case TapData::Y:         o = QTapReading::Y;         break;
        case TapData::Z:         o = QTapReading::Z;         break;
        case TapData::LeftRight: o = QTapReading::X_Pos;     break;
        case TapData::RightLeft: o = QTapReading::X_Neg;     break;
        case TapData::TopBottom: o = QTapReading::Z_Neg;     break;
        case TapData::BottomTop: o = QTapReading::Z_Pos;     break;
        case TapData::FaceBack:  o = QTapReading::Y_Pos;     break;
        case TapData::BackFace:  o = QTapReading::Y_Neg;     break;
        default:                 o = QTapReading::Undefined;
    }
    m_reading.setTapDirection(o);

    m_reading.setTimestamp(data.tapData().timestamp_);
    newReadingAvailable();
}