/****************************************************************************
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the Qt Mobility Components.
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#include <QtCore>
#include <qrotationsensor.h>

QTM_USE_NAMESPACE

class RotationFilter : public QRotationFilter
{
public:
    bool filter(QRotationReading *reading)
    {
        int diff = ( reading->timestamp() - stamp );
        stamp = reading->timestamp();
        QTextStream out(stdout);
        out << QString("Rotation: %1 x").arg(reading->x(), 4, 'f', 0)
            << QString(" %1 y").arg(reading->y(), 4, 'f', 0)
            << QString(" %1 z").arg(reading->z(), 4, 'f', 0)
            << QString(" (%1 ms since last, %2 Hz)").arg(diff / 1000, 4).arg( 1000000.0 / diff, 4, 'f', 1) << endl;
        return true;
    }
private:
    qtimestamp stamp;
};

int main(int argc, char **argv)
{
    QCoreApplication app(argc, argv);
    QStringList args = app.arguments();
    int rate_place = args.indexOf("-r");
    int rate_val = 0;
    if (rate_place != -1)
        rate_val = args.at(rate_place + 1).toInt();
    QRotationSensor sensor;
    if (rate_val > 0) {
        sensor.setDataRate(rate_val);
    }
    RotationFilter filter;
    sensor.addFilter(&filter);
    sensor.start();
    if (!sensor.isActive()) {
        qWarning("Rotationsensor didn't start!");
        return 1;
    }
    if (sensor.property("hasZ").isValid()) {
        if (sensor.property("hasZ").toBool())
            qDebug() << "Sensor hasZ is set";
        else
            qDebug() << "Sensor hasZ is NOT set";
    } else {
        qDebug() << "Sensor hasZ error: no value";
    }
    return app.exec();
}