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QML UI: GPS location service - correctly calculate the delta

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Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2016-03-24 11:50:32 -07:00
parent b1037abdb7
commit f298802b99
1 changed files with 5 additions and 5 deletions
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10
subsurface-core/gpslocation.cpp
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@ -116,7 +116,7 @@ QString GpsLocation::currentPosition()
void GpsLocation::newPosition(QGeoPositionInfo pos)
{
int64_t lastTime;
int64_t lastTime = 0;
QGeoCoordinate lastCoord;
int nr = m_trackers.count();
if (nr) {
@ -128,11 +128,11 @@ void GpsLocation::newPosition(QGeoPositionInfo pos)
// if we are waiting for a position update or
// if we have no record stored or if at least the configured minimum
// time has passed or we moved at least the configured minimum distance
if (!nr || waitingForPosition ||
(int64_t)pos.timestamp().toTime_t() > lastTime + prefs.time_threshold ||
int64_t delta = (int64_t)pos.timestamp().toTime_t() + gettimezoneoffset() - lastTime;
if (!nr || waitingForPosition || delta > prefs.time_threshold ||
lastCoord.distanceTo(pos.coordinate()) > prefs.distance_threshold) {
QString msg("received new position %1");
status(qPrintable(msg.arg(pos.coordinate().toString())));
QString msg("received new position %1 after delta %2 threshold %3");
status(qPrintable(msg.arg(pos.coordinate().toString()).arg(delta).arg(prefs.time_threshold)));
waitingForPosition = false;
gpsTracker gt;
gt.when = pos.timestamp().toTime_t();