protected override void OnNavigatedFrom(object sender, CrystalNavigationEventArgs e)
{
NepApp.SongManager.History.SongAdded -= History_SongAdded;
History = null;
base.OnNavigatedFrom(sender, e);
}
protected override async void OnNavigatedTo(object sender, CrystalNavigationEventArgs e)
{
IsBusy = true;
History = new ObservableCollection <SongHistoryItem>();
try
{
//await UI.WaitForUILoadAsync();
NepApp.SongManager.History.SongAdded += History_SongAdded;
var items = await NepApp.SongManager.History.GetHistoryOfSongsAsync();
await App.Dispatcher.RunWhenIdleAsync(() =>
{
if (items != null)
{
History.AddRange(items);
}
});
base.OnNavigatedTo(sender, e);
}
catch (Exception)
{
//todo handle exception
}
finally
{
IsBusy = false;
}
}
protected override void OnNavigatedTo(object sender, CrystalNavigationEventArgs e)
{
NepApp.SongManager.PreSongChanged += SongManager_PreSongChanged;
UpdateMetadata();
base.OnNavigatedTo(sender, e);
}
protected internal override void OnNavigatedFrom(object sender, CrystalNavigationEventArgs e)
{
//Clean up!
Status.RemoveAllControllersForCallingViewModel(this);
UI.Cleanup();
base.OnNavigatedFrom(sender, e);
}
protected override void OnNavigatedFrom(object sender, CrystalNavigationEventArgs e)
{
NepApp.Network.IsConnectedChanged -= Network_IsConnectedChanged;
//SortedAvailableStations.Clear();
AvailableStations?.Clear();
SelectedStation = null;
base.OnNavigatedFrom(sender, e);
}
protected override async void OnNavigatedTo(object sender, CrystalNavigationEventArgs e)
{
IsBusy = true;
NepApp.Network.IsConnectedChanged += Network_IsConnectedChanged;
DetectNetworkStatus();
if (AvailableStations == null || AvailableStations?.Count == 0)
{
try
{
var items = (await NepApp.Stations.GetStationsAsync().ConfigureAwait(false)).OrderBy(x => x.Name);
await App.Dispatcher.RunWhenIdleAsync(() =>
{
AvailableStations = new ObservableCollection <StationItem>(items);
});
//AvailableStations = new StationsPageObservableVirtualizingCollection((await NepApp.Stations.GetStationsAsync()).Take(5));
}
catch (Exception ex)
{
await NepApp.UI.ShowInfoDialogAsync("Uh-oh!", "An unexpected error occurred. " + ex.ToString());
}
finally {
IsBusy = false;
}
//SortedAvailableStations = new AdvancedCollectionView(AvailableStations, false);
//SortedAvailableStations.SortDescriptions.Add(new SortDescription("Name", SortDirection.Ascending, null));
//NepApp.Stations.ObserveStationsAsync().Subscribe<StationItem>((StationItem item) =>
//{
// AvailableStations.Add(item);
//}, async (Exception ex) =>
//{
// IsBusy = false;
// await NepApp.UI.ShowInfoDialogAsync("Uh-oh!", "An unexpected error occurred. " + ex.ToString());
//}, () =>
//{
// //when done
// LoadLastPlayedStation();
// IsBusy = false;
//});
//GroupedStations = AvailableStations.GroupBy(x => x.Group ?? "Ungrouped Stations").OrderBy(x => x.Key).Select(x => x);
}
else
{
IsBusy = false;
}
base.OnNavigatedTo(sender, e);
}
protected override void OnNavigatedFrom(object sender, CrystalNavigationEventArgs e)
{
NepApp.MediaPlayer.MediaEngagementChanged -= MediaPlayer_MediaEngagementChanged;
NepApp.MediaPlayer.IsPlayingChanged -= MediaPlayer_IsPlayingChanged;
NepApp.SongManager.PreSongChanged -= SongManager_PreSongChanged;
NepApp.SongManager.SongChanged -= SongManager_SongChanged;
NepApp.SongManager.ArtworkProcessor.SongArtworkProcessingComplete -= SongManager_SongArtworkProcessingComplete;
NepApp.MediaPlayer.FatalMediaErrorOccurred -= MediaPlayer_FatalMediaErrorOccurred;
base.OnNavigatedFrom(sender, e);
}
protected override void OnNavigatedFrom(object sender, CrystalNavigationEventArgs e)
{
if (SortedScheduleItems != null)
{
SortedScheduleItems.Source = null;
}
ScheduleItems?.Clear();
ScheduleItems = null;
base.OnNavigatedFrom(sender, e);
}
protected override void OnNavigatedTo(object sender, CrystalNavigationEventArgs e)
{
NepApp.MediaPlayer.IsPlayingChanged += MediaPlayer_IsPlayingChanged;
NepApp.MediaPlayer.MediaEngagementChanged += MediaPlayer_MediaEngagementChanged;
NepApp.SongManager.PreSongChanged += SongManager_PreSongChanged;
NepApp.SongManager.SongChanged += SongManager_SongChanged;
NepApp.SongManager.ArtworkProcessor.SongArtworkProcessingComplete += SongManager_SongArtworkProcessingComplete;
NepApp.MediaPlayer.FatalMediaErrorOccurred += MediaPlayer_FatalMediaErrorOccurred;
IsPlaying = NepApp.MediaPlayer.IsPlaying;
IsMediaEngaged = NepApp.MediaPlayer.IsMediaEngaged;
UpdateMetadataFollowedByArtwork();
base.OnNavigatedTo(sender, e);
}
protected override async void OnNavigatedTo(object sender, CrystalNavigationEventArgs e)
{
if (ScheduleItems == null)
{
IsBusy = true;
try
{
//await LoadScheduleAsync();
}
catch
{
}
IsBusy = false;
}
base.OnNavigatedTo(sender, e);
}
protected override void OnNavigatedTo(object sender, CrystalNavigationEventArgs e)
#endif
{
base.OnNavigatedTo(sender, e);
var stationsPage = NepApp.UI.NavigationItems.FirstOrDefault(X => X.NavigationViewModelType == typeof(StationsPageViewModel));
if (stationsPage == null)
{
throw new Exception("Stations page not found.");
}
NepApp.UI.NavigateToItem(stationsPage);
RaisePropertyChanged(nameof(ResumePlaybackCommand));
//CheckForReverseHandoffOpportunitiesIfSupported();
#if RELEASE
await CheckForUpdatesAsync();
#endif
AskToStreamLastPlayedStation();
}
private void InlineNavigationService_Navigated(object sender, CrystalNavigationEventArgs e)
{
}
protected override async void OnNavigatedTo(object sender, CrystalNavigationEventArgs e)
protected internal override sealed bool OnNavigatingTo(object sender, CrystalNavigationEventArgs e)
{
return(base.OnNavigatingTo(sender, e));
}
protected override void OnNavigatedFrom(object sender, CrystalNavigationEventArgs e)
{
NepApp.SongManager.PreSongChanged -= SongManager_PreSongChanged;
base.OnNavigatedFrom(sender, e);
}
private void InlineNavigationService_Navigated(object sender, CrystalNavigationEventArgs e)
{
//windowService.SetAppViewBackButtonVisibility(inlineNavigationService.CanGoBackward);
UpdateSelectedNavigationItems();
}
protected internal virtual void OnNavigatedFrom(object sender, CrystalNavigationEventArgs e)
{
}
protected internal virtual bool OnNavigatingFrom(object sender, CrystalNavigationEventArgs e)
{
return(false);
}
protected override void OnNavigatedFrom(object sender, CrystalNavigationEventArgs e)
{
NepApp.Settings.SettingChanged -= Settings_SettingChanged;
base.OnNavigatedFrom(sender, e);
}
protected internal override sealed void OnNavigatedTo(object sender, CrystalNavigationEventArgs e)
{
base.OnNavigatedTo(sender, e);
}
