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#include "n900filebasedsensor.h"
#include <QTimer>

n900filebasedsensor::n900filebasedsensor(QSensor *sensor)
    : QSensorBackend(sensor)
    , m_timerid(0)
{
}

n900filebasedsensor::~n900filebasedsensor()
{
}

void n900filebasedsensor::start()
{
    if (m_timerid)
        return;

    int dataRate = sensor()->dataRate();
    if (dataRate == 0) {
        if (sensor()->availableDataRates().count())
            // Use the faster part of the first available rate by default
            dataRate = sensor()->availableDataRates().first().second;
        else
            dataRate = 1;
    }

    int interval = 1000 / dataRate;

    if (interval)
        m_timerid = startTimer(interval);

    // Don't poll now because Symbian/MeeGo can't do anything till we hit the event loop
    // Emulate this behaviour for consistency
    QTimer::singleShot(0, this, SLOT(pollnow()));
}

void n900filebasedsensor::stop()
{
    if (m_timerid) {
        killTimer(m_timerid);
        m_timerid = 0;
    }
}

void n900filebasedsensor::timerEvent(QTimerEvent * /*event*/)
{
    poll();
}

void n900filebasedsensor::pollnow()
{
    poll();
}