private static void OnGetPositionComplete(IAsyncResult result)
{
// Get the radiomapContext back from the stored state.
snifferContext = result.AsyncState as SnifferModel;
try
{
WifiSnifferPositioningService.PositionEstimate newPos = snifferContext.EndExecute <WifiSnifferPositioningService.PositionEstimate>(result).FirstOrDefault();
PreviousPositionEstimate = CurrentPositionEstimate;
CurrentPositionEstimate = newPos;
if (CurrentPositionEstimate != null)
{
//We notify about a new building in any of these two scenarios:
//1) This is the first estimate after starting positioning.
//2) The building id of the current estimate differs from the previous
bool arrivedAtNewBuilding = PreviousPositionEstimate != null && CurrentPositionEstimate != null && CurrentPositionEstimate.Building_ID != PreviousPositionEstimate.Building_ID;
if (!_hasReceivedWifiPosition || arrivedAtNewBuilding)
{
_hasReceivedWifiPosition = true;
OnBuildingIdentificationStatusChanged(null, new BuildingIdentificationEventArgs(true, CurrentPositionEstimate.Building_ID));
}
OnPositionEstimateChanged(null, new PositionEstimateEventArgs(CurrentPositionEstimate));
if (AllowTracking)
{
AddToTrackedPositions(newPos);
}
}
}
catch (DataServiceQueryException) { }
}
public WifiScanForm()
{
InitializeComponent();
InitializeMenu();
InitializeUploadDialog();
_macAddress = LocationService.MacAddress;
context = new SnifferModel(snifferUri);
SetState(MeasurementState.NotStarted);
}
public static void initializeSniffer()
{
snifferContext = new SnifferModel(snifferUri);
}