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Location service: get the current position

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If we have a fix that is fewer than 5 minutes old, take it, otherwise trigger
an update.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2016-01-01 17:21:30 -08:00
parent 66cd83a70f
commit 14a09689a4
2 changed files with 24 additions and 0 deletions
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23
subsurface-core/gpslocation.cpp
View file

@ -89,6 +89,29 @@ void GpsLocation::serviceEnable(bool toggle)
}
}
QString GpsLocation::currentPosition()
{
if (!hasLocationsSource())
return tr("Unknown GPS location");
int nr = geoSettings->value("count", 0).toInt();
if (nr) {
qDebug() << "last fix at" << geoSettings->value(QString("gpsFix%1_time").arg(nr - 1)).toULongLong() <<
"right now" << QDateTime::currentMSecsSinceEpoch() / 1000;
if (geoSettings->value(QString("gpsFix%1_time").arg(nr - 1)).toULongLong() + 300 > QDateTime::currentMSecsSinceEpoch() / 1000) {
QString gpsString = printGPSCoords(geoSettings->value(QString("gpsFix%1_lat").arg(nr - 1)).toInt(),
geoSettings->value(QString("gpsFix%1_lon").arg(nr - 1)).toInt());
qDebug() << "returning last position" << gpsString;
return gpsString;
}
}
qDebug() << "requesting new GPS position";
m_GpsSource->requestUpdate();
// ok, we need to get the current position and somehow in the callback update the location in the QML UI
// punting right now
waitingForPosition = true;
return QString("waiting for the next gps location");
}
void GpsLocation::newPosition(QGeoPositionInfo pos)
{
time_t lastTime;

1
subsurface-core/gpslocation.h
View file

@ -20,6 +20,7 @@ public:
int getGpsNum() const;
QString getUserid(QString user, QString passwd);
bool hasLocationsSource();
QString currentPosition();
private:
QGeoPositionInfo lastPos;