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GPS fixes: collect fixes first, apply later

Browse source 
Make the application of the GPS fixes in two runs: first
collect dives and fixes, then apply the fixes. This will
simplify turning the application of GPS fixes into an
undo-command.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-11-16 15:04:36 +01:00 • committed by Dirk Hohndel
parent ca911e6916
commit 8f043138ba
2 changed files with 29 additions and 24 deletions
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47
core/gpslocation.cpp
View file

@ -211,34 +211,23 @@ int GpsLocation::getGpsNum() const
return m_trackers.count();
}
static void copy_gps_location(struct gpsTracker &gps, struct dive *d)
{
struct dive_site *ds = d->dive_site;
if (!ds) {
ds = create_dive_site(qPrintable(gps.name), &dive_site_table);
add_dive_to_dive_site(d, ds);
}
ds->location = gps.location;
}
#define SAME_GROUP 6 * 3600 /* six hours */
#define SET_LOCATION(_dive, _gpsfix, _mark) \
{ \
copy_gps_location(_gpsfix, _dive); \
invalidate_dive_cache(_dive); \
changed++; \
last = _mark; \
#define ADD_LOCATION(_dive, _gpsfix, _mark) \
{ \
fixes.push_back( { _dive, _gpsfix.location, _gpsfix.name } ); \
last = _mark; \
}
int GpsLocation::applyLocations()
{
int i;
int changed = 0;
int last = 0;
int cnt = m_trackers.count();
if (cnt == 0)
return false;
std::vector<DiveAndLocation> fixes;
// create a table with the GPS information
QList<struct gpsTracker> gpsTable = m_trackers.values();
@ -261,7 +250,7 @@ int GpsLocation::applyLocations()
if (time_during_dive_with_offset(d, gpsTable[j].when, 0)) {
if (verbose)
qDebug() << "gpsFix is during the dive, pick that one";
SET_LOCATION(d, gpsTable[j], j);
ADD_LOCATION(d, gpsTable[j], j);
break;
} else {
/*
@ -280,19 +269,19 @@ int GpsLocation::applyLocations()
} else if (gpsTable[j].when > dive_endtime(d)) {
if (verbose)
qDebug() << "which is even later after the end of the dive, so pick the previous one";
SET_LOCATION(d, gpsTable[j], j);
ADD_LOCATION(d, gpsTable[j], j);
break;
} else {
/* ok, gpsFix is before, nextgpsFix is after */
if (d->when - gpsTable[j].when <= gpsTable[j+1].when - dive_endtime(d)) {
if (verbose)
qDebug() << "pick the one before as it's closer to the start";
SET_LOCATION(d, gpsTable[j], j);
ADD_LOCATION(d, gpsTable[j], j);
break;
} else {
if (verbose)
qDebug() << "pick the one after as it's closer to the start";
SET_LOCATION(d, gpsTable[j + 1], j + 1);
ADD_LOCATION(d, gpsTable[j + 1], j + 1);
break;
}
}
@ -302,7 +291,7 @@ int GpsLocation::applyLocations()
} else {
if (verbose)
qDebug() << "which seems to be the best one for this dive, so pick it";
SET_LOCATION(d, gpsTable[j], j);
ADD_LOCATION(d, gpsTable[j], j);
break;
}
}
@ -318,9 +307,19 @@ int GpsLocation::applyLocations()
}
}
if (changed > 0)
for (DiveAndLocation &dl: fixes) {
struct dive_site *ds = dl.d->dive_site;
if (!ds) {
ds = create_dive_site(qPrintable(dl.name), &dive_site_table);
add_dive_to_dive_site(dl.d, ds);
invalidate_dive_cache(dl.d);
}
ds->location = dl.location;
}
if (!fixes.empty())
mark_divelist_changed(true);
return changed;
return !fixes.empty();
}
QMap<qint64, gpsTracker> GpsLocation::currentGPSInfo() const

6
core/gpslocation.h
View file

@ -20,6 +20,12 @@ struct gpsTracker {
int idx;
};
struct DiveAndLocation {
struct dive *d;
location_t location;
QString name;
};
class GpsLocation : public QObject {
Q_OBJECT
public: