public void LoadArrivalsForStop(Stop stop, Route routeFilter)
{
lock (arrivalsLock)
{
unfilteredArrivals.Clear();
ArrivalsForStop.Clear();
}
this.routeFilter = routeFilter;
RefreshArrivalsForStop(stop);
// We've sent our first call off, set resultsLoaded to true
resultsLoaded = true;
}
private void FilterArrivals()
{
lock (arrivalsLock)
{
UIAction(() => ArrivalsForStop.Clear());
unfilteredArrivals.Sort(new DepartureTimeComparer());
foreach (ArrivalAndDeparture arrival in unfilteredArrivals)
{
if (routeFilter != null && routeFilter.id != arrival.routeId)
{
continue;
}
ArrivalAndDeparture currentArrival = arrival;
UIAction(() => ArrivalsForStop.Add(currentArrival));
}
}
// Refresh NoResultsAvailable status
OnPropertyChanged("NoResultsAvailable");
}
void busServiceModel_ArrivalsForStop_Completed(object sender, EventArgs.ArrivalsForStopEventArgs e)
{
Debug.Assert(e.error == null);
if (e.error == null)
{
lock (arrivalsLock)
{
// We are loading arrivals fresh, add all of them
if (unfilteredArrivals.Count == 0)
{
unfilteredArrivals = e.arrivals;
FilterArrivals();
}
else
{
// We already have arrivals in the list, so just refresh them
// Start by updating all the times for all of the arrivals currently in the list,
// and find any arrivals that have timed out for this stop
List <ArrivalAndDeparture> arrivalsToRemove = new List <ArrivalAndDeparture>();
foreach (ArrivalAndDeparture arrival in unfilteredArrivals)
{
int index = e.arrivals.IndexOf(arrival);
if (index >= 0)
{
ArrivalAndDeparture newArrivalTime = e.arrivals[index];
ArrivalAndDeparture currentArrival = arrival;
UIAction(() =>
{
currentArrival.predictedArrivalTime = newArrivalTime.predictedArrivalTime;
currentArrival.predictedDepartureTime = newArrivalTime.predictedDepartureTime;
currentArrival.tripDetails.scheduleDeviationInSec = newArrivalTime.tripDetails.scheduleDeviationInSec;
currentArrival.tripDetails.closestStopId = newArrivalTime.tripDetails.closestStopId;
currentArrival.tripDetails.closestStopTimeOffset = newArrivalTime.tripDetails.closestStopTimeOffset;
currentArrival.tripDetails.coordinate = newArrivalTime.tripDetails.coordinate;
});
}
else
{
// The latest collection no longer has this arrival, delete it from the
// list. Otherwise we will keep it around forever, no longer updating
// its time
arrivalsToRemove.Add(arrival);
}
}
arrivalsToRemove.ForEach(arrival =>
{
UIAction(() => ArrivalsForStop.Remove(arrival));
unfilteredArrivals.Remove(arrival);
}
);
// Now add any new arrivals that just starting showing up for this stop
foreach (ArrivalAndDeparture arrival in e.arrivals)
{
// Ensure that we aren't adding routes that are filtered out
if ((routeFilter == null || routeFilter.id == arrival.routeId) &&
ArrivalsForStop.Contains(arrival) == false)
{
ArrivalAndDeparture currentArrival = arrival;
UIAction(() => ArrivalsForStop.Add(currentArrival));
unfilteredArrivals.Add(currentArrival);
}
}
}
}
}
else
{
ErrorOccured(this, e.error);
}
operationTracker.DoneWithOperation("ArrivalsForStop");
// Refresh NoResultsAvailable status
OnPropertyChanged("NoResultsAvailable");
}