/// <summary>
/// Increments the currentTrackNumber and plays the correpsonding track.
/// </summary>
/// <param name="player">
/// The BackgroundAudioPlayer
/// </param>
private IObservable <PortableUnit> PlayNextTrackAsync(BackgroundAudioPlayer player)
{
Debug.WriteLine("Player: PlayNextTrackAsync");
if (this.NowPlaying == null || this.NowPlaying.Set == null)
{
Debug.WriteLine("Player: PlayNextTrackAsync (Now Playing not set)");
return(this.StopPlayingAsync(player));
}
if (this.UserSettings.PlayOverWifiOnly && NetworkInterface.NetworkInterfaceType != NetworkInterfaceType.Wireless80211)
{
return(this.StopPlayingAsync(player));
}
////
if (this.NowPlaying.Set.IsLastTrack || this.NowPlaying.Set.IsPastLastTrack)
{
if (this.UserSettings.PlayNextMix)
{
var currentMixId = this.NowPlaying.MixId;
var nextMix = from ignoreLastTrack in this.NowPlaying.NextTrackAsync(player).DefaultIfEmpty()
from stop in this.NowPlaying.StopAsync(player)
from mix in PlayerService.GetNextMixAsync(currentMixId)
from start in mix.StartPlayingAsync().Do(
t =>
{
this.NowPlaying = t;
})
from _ in this.NowPlaying.SaveNowPlayingAsync()
from play in this.PlayTrackAsync(player)
select play;
return(nextMix
.Catch <PortableUnit, ServiceException>(ex => this.StopPlayingAsync(player))
.Catch <PortableUnit, WebException>(ex => this.StopPlayingAsync(player)));
}
return(this.StopPlayingAsync(player));
}
var playNextTrack = from nextResponse in this.NowPlaying.NextTrackAsync(player).Do(r =>
{
this.NowPlaying.Set = r.Set;
})
from _ in this.NowPlaying.SaveNowPlayingAsync()
from play in this.PlayTrackAsync(player)
select play;
return(playNextTrack
.Catch <PortableUnit, ServiceException>(ex => this.StopPlayingAsync(player))
.Catch <PortableUnit, WebException>(ex => this.StopPlayingAsync(player))
.Catch <PortableUnit, Exception>(
ex =>
{
var data = "Error playing next track, we have to stop!\r\n";
if (this.NowPlaying != null)
{
data += Json <PlayingMixContract> .Instance.SerializeToString(this.NowPlaying);
}
LittleWatsonLog.ReportException(ex, data);
Debug.WriteLine("Player: PlayNextTrackAsync (Playback Error, stopping!)");
return this.StopPlayingAsync(player);
}));
}
private void ReportFatalStopError(Exception stopError, Exception originalError)
{
LittleWatsonLog.ReportException(stopError, "Errored trying to handle another error: " + originalError);
this.Abort();
}
