private async void PhoneApplicationPage_Loaded(object sender, RoutedEventArgs e)
{
// Update current dispatcher
Util.CurrentDispatcher = this.Dispatcher;
if (startup)
{
startup = false;
// Setup system tray
SystemTray.SetProgressIndicator(this, ProgressIndicatorHelper.Instance.PI);
SystemTray.Opacity = 0;
SystemTray.IsVisible = true;
SystemTray.ForegroundColor = Colors.Black;
// Get Permissions
if (LocationTracker.GetPermission())
{
// Find location
ProgressIndicatorHelper.Instance.Push(LoadingEnum.Location);
LocationTracker.RetrieveLocation();
}
// Setup speech recognition
await VoiceHelper.InitializeSpeech();
}
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
// Update current dispatcher
Util.CurrentDispatcher = this.Dispatcher;
if (this.startup)
{
// Initialize progress bar
this.InitializeProgress();
// Setup ViewModel
string route_id;
string route_name;
if (this.NavigationContext.QueryString.TryGetValue("route_id", out route_id))
{
this.ViewModel = new StopResultVM(AppSettings.KnownRoutes.Value[route_id]);
await InitializeFromViewModel();
}
else if (this.NavigationContext.QueryString.TryGetValue(VoiceHelper.RouteNumPhraseList, out route_name))
{
ProgressIndicatorHelper.Instance.Push(LoadingEnum.Routes);
BusRoute br = await TransitInfo.SearchForRoute(route_name);
ProgressIndicatorHelper.Instance.Remove(LoadingEnum.Routes);
if (LocationTracker.GetPermission())
{
LocationTracker.RetrieveLocation();
}
if (br != null)
{
this.ViewModel = new StopResultVM(br);
await InitializeFromViewModel();
}
else
{
MessageBox.Show(string.Format("Could not find route {0}.", route_name),
"No matches", MessageBoxButton.OK);
}
}
}
}
/// <summary>
/// Finish initialization after setting the viewmodel
/// </summary>
private void InitializeFromViewModel()
{
this.DataContext = this.ViewModel;
// Initialize progress bar
InitializeProgress();
// Get location if necessary
if (LocationTracker.Location == null && LocationTracker.GetPermission())
{
ProgressIndicatorHelper.Instance.Push(LoadingEnum.Location);
LocationTracker.RetrieveLocation();
}
// Update recent stops
RecentStopsQueue.Push(ViewModel.Context);
// Preven further initialization
this.startup = false;
}
