private float dist(LocationPoint l, List<Location> locations, int[] ind) {
float dist = Float.POSITIVE_INFINITY;
// Special iterations because points stored by pairs!
for (int i = 1; i < locations.size(); i++) {
final double ld =
MapUtils.getOrthogonalDistance(
l.getLatitude(), l.getLongitude(),
locations.get(i - 1).getLatitude(), locations.get(i - 1).getLongitude(),
locations.get(i).getLatitude(), locations.get(i).getLongitude());
if (ld < dist) {
if (ind != null) {
ind[0] = i;
}
dist = (float) ld;
}
}
return dist;
}
public void announceVisibleLocations() {
Location lastKnownLocation = app.getRoutingHelper().getLastProjection();
if (lastKnownLocation != null && app.getRoutingHelper().isFollowingMode()) {
for (int type = 0; type < locationPoints.size(); type++) {
int currentRoute = route.getCurrentRoute();
List<LocationPointWrapper> approachPoints = new ArrayList<LocationPointWrapper>();
List<LocationPointWrapper> announcePoints = new ArrayList<LocationPointWrapper>();
List<LocationPointWrapper> lp = locationPoints.get(type);
if (lp != null) {
int kIterator = pointsProgress.get(type);
while (kIterator < lp.size() && lp.get(kIterator).routeIndex < currentRoute) {
kIterator++;
}
pointsProgress.set(type, kIterator);
while (kIterator < lp.size()) {
LocationPointWrapper lwp = lp.get(kIterator);
if (route.getDistanceToPoint(lwp.routeIndex) > LONG_ANNOUNCE_RADIUS * 2) {
break;
}
LocationPoint point = lwp.point;
double d1 =
Math.max(
0.0,
MapUtils.getDistance(
lastKnownLocation.getLatitude(),
lastKnownLocation.getLongitude(),
point.getLatitude(),
point.getLongitude())
- lwp.getDeviationDistance());
Integer state = locationPointsStates.get(point);
if (state != null
&& state.intValue() == ANNOUNCED_ONCE
&& getVoiceRouter()
.isDistanceLess(lastKnownLocation.getSpeed(), d1, SHORT_ANNOUNCE_RADIUS, 0f)) {
locationPointsStates.put(point, ANNOUNCED_DONE);
announcePoints.add(lwp);
} else if (type != ALARMS
&& (state == null || state == NOT_ANNOUNCED)
&& getVoiceRouter()
.isDistanceLess(lastKnownLocation.getSpeed(), d1, LONG_ANNOUNCE_RADIUS, 0f)) {
locationPointsStates.put(point, ANNOUNCED_ONCE);
approachPoints.add(lwp);
} else if (type == ALARMS
&& (state == null || state == NOT_ANNOUNCED)
&& getVoiceRouter()
.isDistanceLess(lastKnownLocation.getSpeed(), d1, ALARMS_ANNOUNCE_RADIUS, 0f)) {
locationPointsStates.put(point, ANNOUNCED_ONCE);
approachPoints.add(lwp);
}
kIterator++;
}
if (!announcePoints.isEmpty()) {
if (announcePoints.size() > ANNOUNCE_POI_LIMIT) {
announcePoints = announcePoints.subList(0, ANNOUNCE_POI_LIMIT);
}
if (type == WAYPOINTS) {
getVoiceRouter().announceWaypoint(announcePoints);
} else if (type == POI) {
getVoiceRouter().announcePoi(announcePoints);
} else if (type == ALARMS) {
// nothing to announce
} else if (type == FAVORITES) {
getVoiceRouter().announceFavorite(announcePoints);
}
}
if (!approachPoints.isEmpty()) {
if (approachPoints.size() > APPROACH_POI_LIMIT) {
approachPoints = approachPoints.subList(0, APPROACH_POI_LIMIT);
}
if (type == WAYPOINTS) {
getVoiceRouter().approachWaypoint(lastKnownLocation, approachPoints);
} else if (type == POI) {
getVoiceRouter().approachPoi(lastKnownLocation, approachPoints);
} else if (type == ALARMS) {
EnumSet<AlarmInfoType> ait = EnumSet.noneOf(AlarmInfoType.class);
for (LocationPointWrapper pw : approachPoints) {
ait.add(((AlarmInfo) pw.point).getType());
}
for (AlarmInfoType t : ait) {
app.getRoutingHelper().getVoiceRouter().announceAlarm(t);
}
} else if (type == FAVORITES) {
getVoiceRouter().approachFavorite(lastKnownLocation, approachPoints);
}
}
}
}
}
}