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#include <QDateTime>
#include <QTimer>
#include <QtSensors/QStepCounterSensor>
#include <QDebug>
#include <QString>
#include "../logger.h"
#include "stepCounter.h"
StepCounterPlugin::StepCounterPlugin(QObject *parent, int initInterval) :
QObject(parent){
interval = initInterval;
stepcounterSensor = new QStepCounterSensor(this);
stepcounterSensor->start();
qDebug() << "step counter sensor is enabled. interval is (ms) " << interval;
recordIntervalTimer = new QTimer(this);
connect(recordIntervalTimer,SIGNAL(timeout()),this,SLOT(triggerRecording()));
recordIntervalTimer->setSingleShot(true);
recordIntervalTimer->start(interval);
QDateTime currDateTime = QDateTime::currentDateTime();
if (dayFileExists(sensorPathPrefix)) {
QStringList lastLineData = fileGetPrevRecord(sensorPathPrefix);
lastRecordTime = QDateTime::fromSecsSinceEpoch(lastLineData[0].toInt());
if (stepcounterSensor->reading()->steps() == 0) {
stepsOffset = -(lastLineData[1].toInt());
} else {
}
} else {
//if it's a new day, we 'reset' the counter. this is crude - we should really check for a boot here, since certain machines have capability of counting steps when powered down.
stepsOffset = stepcounterSensor->reading()->steps();
}
}
void StepCounterPlugin::timeUpdate() {
QDateTime currDateTime = QDateTime::currentDateTime();
if (lastRecordTime.date() < currDateTime.date()) {
stepsOffset = stepcounterSensor->reading()->steps(); //this 'resets' the reading whenever the screen is first turned on after midnight. this means that, in the morning, the step count will always be zero, but steps taken just before midnight are still counted and not discarded.
}
uint elapsed = currDateTime.toMSecsSinceEpoch() - lastRecordTime.toMSecsSinceEpoch();
qDebug() << "time until next steps recording" << recordIntervalTimer->remainingTime() << " elapsed = " << elapsed << " lastRecordTime " << lastRecordTime.toMSecsSinceEpoch();
if (elapsed > interval) { //if too much time has passed, reset the timer and record
triggerRecording();
lastRecordTime = QDateTime::currentDateTime();
} else { //otherwise, restart the timer and compensate for time spent in suspend
recordIntervalTimer->start(interval - elapsed);
}
}
void StepCounterPlugin::triggerRecording() {
qDebug() << "stepcounter interval recording";
int steps = stepcounterSensor->reading()->steps();
qDebug() << QDateTime::currentDateTime().toString("hh:mm:ss") << " : " << steps << stepcounterSensor->isActive();
//we probably ought to do some error checking here
fileAddRecord(sensorPathPrefix,QString::number(steps - stepsOffset));
}
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