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();
}
}
/// <summary>
/// Update fields of VM from the location
/// </summary>
/// <param name="location"></param>
public void UpdateFromLocation()
{
// Rezoom map
if (TrackingPage.CurrentInstance.ReZoomMap)
{
TrackingPage.CurrentInstance.CenterAndZoom();
}
// Update speed tracker
this.SpeedTracker.AddPosition(LocationTracker.Location);
if (!this.ManualEnabled)
{
this.NotifyPropertyChanged("Threshold");
this.NotifyPropertyChanged("ThresholdString");
}
// Notify properties
this.NotifyPropertyChanged("MyLocation");
this.NotifyPropertyChanged("DistanceLeft");
this.NotifyPropertyChanged("DistanceString");
this.NotifyPropertyChanged("EstimatedTimeString");
this.NotifyPropertyChanged("AverageSpeedString");
// Raise alarm
if (this.DistanceLeft.MetersToMiles() <= this.Threshold)
{
LocationTracker.StopTracking();
//MessageBox.Show("Your stop is coming up soon!", "Non-final alarm", MessageBoxButton.OK);
AlarmHandler.Instance.TriggerAlarm(this.Context);
}
this.NotifyPropertyChanged("LeftButtonText");
}
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;
}
/// <summary>
/// Respond to clicks on the awesome appbar
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AppBarButton_Click(object sender, RoutedEventArgs e)
{
Button btn = sender as Button;
switch (btn.Content.ToString())
{
case TrackingVM.BtnPinToStart:
BusStop.PinToStart(this.ViewModel.Context);
break;
case TrackingVM.BtnStartTracking:
if (LocationTracker.GetPermission())
{
this.ViewModel.BeginGeofence();
}
break;
case TrackingVM.BtnStopTracking:
this.ViewModel.StopGeofence();
break;
}
}
/// <summary>
/// Search the text in the route box
/// </summary>
/// <returns></returns>
private async Task SearchRoutes()
{
this.Focus();
// Blank route
if (this.RouteSearchBox.Text == EmptyTextBox ||
string.IsNullOrWhiteSpace(this.RouteSearchBox.Text))
{
MessageBox.Show("Please enter the number of a bus route in your area.",
"No input", MessageBoxButton.OK);
return;
}
ProgressIndicatorHelper.Instance.Push(LoadingEnum.Routes);
BusRoute br = await TransitInfo.SearchForRoute(this.RouteSearchBox.Text);
if (br == null && !AppSettings.LocationConsent.Value && LocationTracker.GetPermission())
{
br = await TransitInfo.SearchForRoute(this.RouteSearchBox.Text);
}
ProgressIndicatorHelper.Instance.Remove(LoadingEnum.Routes);
if (br == null)
{
TransitLoader.InternetAvailable();
MessageBox.Show(string.Format("Could not find route {0}.", this.RouteSearchBox.Text),
"No matches", MessageBoxButton.OK);
return;
}
this.RouteSearchBox.Text = "";
if (this.SpacingPanel.Height == spacerMaxHeight)
{
this.SetSearchBarVisibility(Visibility.Collapsed);
}
NavigationService.Navigate(new Uri(
string.Format("/Pages/StopResultPage.xaml?route_id={0}", br.Id),
UriKind.Relative));
//NavigationService.Navigate(new Uri("/Pages/StopResultPage.xaml", UriKind.Relative));
}
/// <summary>
/// Stop the geofencing.
/// This should only be called in foreground.
/// </summary>
public void StopGeofence()
{
LocationTracker.StopTracking();
this.NotifyLeftButton();
AlarmHandler.Instance.ClearAlarms();
}
/// <summary>
/// Initialize all controls for geofencing.
/// This should only be called in foreground.
/// </summary>
public void BeginGeofence()
{
LocationTracker.StartTracking();
this.NotifyLeftButton();
AlarmHandler.Instance.PrepareAlarm(this.Context);
}