/// <summary>
/// Initializes the control.
/// </summary>
public async Task InitializeAsync(object parameter)
{
if (parameter is PageInitializationParameters)
{
PageInitializationParameters parameters = (PageInitializationParameters)parameter;
string stopId = parameters.GetParameter <string>("stopId");
double lat = parameters.GetParameter <double>("lat");
double lon = parameters.GetParameter <double>("lon");
if (!string.IsNullOrEmpty(stopId) && lat != 0 && lon != 0)
{
await this.viewModel.NavigateDirectlyToStop(lat, lon, stopId);
}
}
else if (parameter is StopSelectedEventArgs)
{
StopSelectedEventArgs stopSelectedEventArgs = (StopSelectedEventArgs)parameter;
await this.viewModel.NavigateDirectlyToStop(
stopSelectedEventArgs.Latitude,
stopSelectedEventArgs.Longitude,
stopSelectedEventArgs.SelectedStopId,
stopSelectedEventArgs.StopName,
stopSelectedEventArgs.Direction);
}
}
/// <summary>
/// Runs the tile updating service.
/// </summary>
public static async Task UpdateTilesAsync(CancellationToken token)
{
// Inject the platform services into the PCL:
ServiceRepository.FileService = new FileService();
ServiceRepository.GeoLocationService = new GeoLocationService();
ServiceRepository.SettingsService = new SettingsService();
try
{
// First update the favorites:
var favorites = await Model.Favorites.GetAsync();
// Get the tracking data for favorites & filter it out by the routes:
List <TrackingData> favoritesRealTimeData = new List <TrackingData>();
foreach (StopAndRoutePair favorite in favorites)
{
token.ThrowIfCancellationRequested();
// Get tracking data for this stop:
var obaDataAccess = ObaDataAccess.Create();
TrackingData[] trackingData = await obaDataAccess.GetTrackingDataForStopAsync(favorite.Stop, token);
// Adds the tracking data to the list:
favoritesRealTimeData.AddRange(from data in trackingData
where string.Equals(favorite.Route, data.RouteId, StringComparison.OrdinalIgnoreCase)
select data);
}
// Now it's time to update the main tile with data:
TileXMLBuilder mainTileBuilder = new TileXMLBuilder();
AppendTrackingDataToTile(mainTileBuilder, favoritesRealTimeData);
// And now we can update the secondary tiles!
var pinnedStopTiles = await SecondaryTile.FindAllAsync();
foreach (var pinnedStopTile in pinnedStopTiles)
{
token.ThrowIfCancellationRequested();
PageInitializationParameters parameters = null;
// Be safe and try this first...should never happen.
if (PageInitializationParameters.TryCreate(pinnedStopTile.Arguments, out parameters))
{
double lat = parameters.GetParameter <double>("lat");
double lon = parameters.GetParameter <double>("lon");
string stopId = parameters.GetParameter <string>("stopId");
if (!string.IsNullOrEmpty(stopId) && lat != 0 && lon != 0)
{
// Get the tracking data:
var obaDataAccess = ObaDataAccess.Create(lat, lon);
TrackingData[] trackingData = await obaDataAccess.GetTrackingDataForStopAsync(stopId, token);
TileXMLBuilder secondaryTileBuilder = new TileXMLBuilder(pinnedStopTile.TileId);
await secondaryTileBuilder.AppendTileWithLargePictureAndTextAsync(
pinnedStopTile.TileId,
lat,
lon,
pinnedStopTile.DisplayName);
AppendTrackingDataToTile(secondaryTileBuilder, trackingData);
}
}
}
}
catch
{
// Sometimes OBA will fail. What can you do?
}
}