/// <summary>
/// Returns the next song and updates the CurrentSong property. Will throw a PandoraException if
/// skipping and the user is not allowed to skip at this point in time. Call CanSkip() first as needed.
/// </summary>
/// <returns></returns>
public PandoraSong GetNextSong(bool isSkip)
{
// update the previous songs list
while (PreviousSongs.Count > 4)
{
PreviousSongs.RemoveAt(4);
}
// if necessary log a skip event. this will throw an exception if a skip is not allowed
if (isSkip)
{
SkipHistory.Skip(CurrentStation);
}
if (CurrentSong != null)
{
// update playback history
PreviousSongs.Insert(0, CurrentSong);
// keep track of how much listening time has occured since our last ad
TimeSpan realDuration = DateTime.Now - (DateTime)timeLastSongGrabbed;
if (realDuration > CurrentSong.Length)
{
timeSinceLastAd = timeSinceLastAd.Add(CurrentSong.Length);
}
else
{
timeSinceLastAd = timeSinceLastAd.Add(realDuration);
}
}
timeLastSongGrabbed = DateTime.Now;
// grab the next song in our queue. songs become invalid after an
// unspecified number of hours.
do
{
if (playlist.Count < 2)
{
LoadMoreSongs();
}
CurrentSong = playlist.Dequeue();
} while (!pandora.IsValid(CurrentSong, Proxy));
pandora.GetSongLength(User, CurrentSong, Proxy);
return(CurrentSong);
}
protected void Clear()
{
if (PreviousSongs == null)
{
PreviousSongs = new List <PandoraSong>();
}
if (AvailableStations == null)
{
AvailableStations = new List <PandoraStation>();
}
_currentStation = null;
CurrentSong = null;
PreviousSongs.Clear();
AvailableStations.Clear();
SkipHistory = null;
User = null;
playlist.Clear();
}
