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#include "qt-mobile/gpslocation.h"
#include "qt-mobile/qmlmanager.h"
#include "pref.h"
#include "dive.h"
#include <time.h>
#include <QDebug>
#include <QVariant>
GpsLocation::GpsLocation(QObject *parent)
{
QSettings *geoSettings = new QSettings();
gpsSource = QGeoPositionInfoSource::createDefaultSource(parent);
if (gpsSource != 0) {
QString msg = QString("have position source %1").arg(gpsSource->sourceName());
connect(gpsSource, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(newPosition(QGeoPositionInfo)));
connect(gpsSource, SIGNAL(updateTimeout()), this, SLOT(updateTimeout()));
} else {
status("don't have GPS source");
}
}
void GpsLocation::serviceEnable(bool toggle)
{
if (!gpsSource) {
if (toggle)
status("Can't start location service, no location source available");
return;
}
if (toggle) {
gpsSource->startUpdates();
status("Starting Subsurface GPS service");
} else {
gpsSource->stopUpdates();
status("Stopping Subsurface GPS service");
}
}
#define MINTIME 600
#define MINDIST 200
void GpsLocation::newPosition(QGeoPositionInfo pos)
{
time_t lastTime;
QGeoCoordinate lastCoord;
QString msg("received new position %1");
status(qPrintable(msg.arg(pos.coordinate().toString())));
geoSettings.beginGroup("locations");
int nr = geoSettings.value("count", 0).toInt();
if (nr) {
lastCoord.setLatitude(geoSettings.value(QString("gpsFix%1_lat").arg(nr)).toInt() / 1000000.0);
lastCoord.setLongitude(geoSettings.value(QString("gpsFix%1_lon").arg(nr)).toInt() / 1000000.0);
time_t lastTime = geoSettings.value(QString("gpsFix%1_time").arg(nr)).toULongLong();
}
// if we have no record stored or if at least 10 minutes have passed or we moved at least 200m
if (!nr || pos.timestamp().toTime_t() > lastTime + MINTIME || lastCoord.distanceTo(pos.coordinate()) > MINDIST) {
geoSettings.setValue("count", nr + 1);
geoSettings.setValue(QString("gpsFix%1_time").arg(nr), pos.timestamp().toTime_t());
geoSettings.setValue(QString("gpsFix%1_lat").arg(nr), rint(pos.coordinate().latitude() * 1000000));
geoSettings.setValue(QString("gpsFix%1_lon").arg(nr), rint(pos.coordinate().longitude() * 1000000));
geoSettings.sync();
}
}
void GpsLocation::updateTimeout()
{
status("request to get new position timed out");
}
void GpsLocation::status(QString msg)
{
qDebug() << msg;
qmlUiShowMessage(qPrintable(msg));
}
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