private synchronized void setNewRoute(RouteCalculationResult res, Location start) {
final boolean newRoute = !this.route.isCalculated();
route = res;
if (isFollowingMode) {
if (lastFixedLocation != null) {
start = lastFixedLocation;
}
// try remove false route-recalculated prompts by checking direction to second route node
boolean wrongMovementDirection = false;
List<Location> routeNodes = res.getImmutableAllLocations();
if (routeNodes != null && !routeNodes.isEmpty()) {
int newCurrentRoute =
lookAheadFindMinOrthogonalDistance(start, routeNodes, res.currentRoute, 15);
if (newCurrentRoute + 1 < routeNodes.size()) {
// This check is valid for Online/GPX services (offline routing is aware of route
// direction)
wrongMovementDirection =
checkWrongMovementDirection(start, routeNodes.get(newCurrentRoute + 1));
// set/reset evalWaitInterval only if new route is in forward direction
if (!wrongMovementDirection) {
evalWaitInterval = 3000;
} else {
evalWaitInterval = evalWaitInterval * 3 / 2;
evalWaitInterval = Math.min(evalWaitInterval, 120000);
}
}
}
// trigger voice prompt only if new route is in forward direction
// If route is in wrong direction after one more setLocation it will be recalculated
if (!wrongMovementDirection || newRoute) {
voiceRouter.newRouteIsCalculated(newRoute);
}
}
app.runInUIThread(
new Runnable() {
@Override
public void run() {
for (IRouteInformationListener l : listeners) {
l.newRouteIsCalculated(newRoute);
}
}
});
}
public void notifyIfRouteIsCalculated() {
if (route.isCalculated()) {
voiceRouter.newRouteIsCalculated(true);
}
}