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Location service: support the concept of waiting for a position

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There may be reasons where we want to get the position even if the criteria
aren't met.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2016-01-01 17:20:30 -08:00
parent a611bb22f7
commit 66cd83a70f
2 changed files with 5 additions and 1 deletions
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5
subsurface-core/gpslocation.cpp
View file

@ -20,6 +20,7 @@ GpsLocation::GpsLocation(void (*showMsgCB)(const char *), QObject *parent)
Q_ASSERT_X(m_Instance == NULL, "GpsLocation", "GpsLocation recreated");
m_Instance = this;
m_GpsSource = 0;
waitingForPosition = false;
showMessageCB = showMsgCB;
// create a QSettings object that's separate from the main application settings
geoSettings = new QSettings(QSettings::NativeFormat, QSettings::UserScope,
@ -100,11 +101,13 @@ void GpsLocation::newPosition(QGeoPositionInfo pos)
lastCoord.setLongitude(geoSettings->value(QString("gpsFix%1_lon").arg(nr - 1)).toInt() / 1000000.0);
lastTime = geoSettings->value(QString("gpsFix%1_time").arg(nr - 1)).toULongLong();
}
// 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 ||
if (!nr || waitingForPosition ||
(time_t)pos.timestamp().toTime_t() > lastTime + prefs.time_threshold ||
lastCoord.distanceTo(pos.coordinate()) > prefs.distance_threshold) {
waitingForPosition = false;
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));

1
subsurface-core/gpslocation.h
View file

@ -31,6 +31,7 @@ private:
QString userAgent;
void (*showMessageCB)(const char *msg);
static GpsLocation *m_Instance;
bool waitingForPosition;
public slots:
void serviceEnable(bool toggle);