/// <summary>
/// Called when the agent request is getting cancelled
/// The call to base.OnCancel() is necessary to release the background streaming resources
/// </summary>
protected override void OnCancel()
{
base.OnCancel();
// The shutdown calls NotifyComplete(), so we don't have to call it here.
AudioTrackStreamer.ShutdownMediaStreamSource();
}
/// <summary>
/// Called when the user requests an action using application/system provided UI
/// </summary>
/// <param name="player">The BackgroundAudioPlayer</param>
/// <param name="track">The track playing at the time of the user action</param>
/// <param name="action">The action the user has requested</param>
/// <param name="param">The data associated with the requested action.
/// In the current version this parameter is only for use with the Seek action,
/// to indicate the requested position of an audio track</param>
/// <remarks>
/// User actions do not automatically make any changes in system state; the agent is responsible
/// for carrying out the user actions if they are supported.
/// Call NotifyComplete() only once, after the agent request has been completed, including async callbacks.
/// </remarks>
protected override void OnUserAction(BackgroundAudioPlayer player, AudioTrack track, UserAction action, object param)
{
System.Diagnostics.Debug.WriteLine(System.Threading.Thread.CurrentThread.ManagedThreadId.ToString() + ": OnUserAction() - {0}", action);
switch (action)
{
case UserAction.Play:
// Since we are just restarting the same stream, this should be fine.
AudioTrackStreamer.ShutdownMediaStreamSource();
player.Track = track;
break;
case UserAction.Stop:
// Stop the background streaming agent.
AudioTrackStreamer.ShutdownMediaStreamSource();
break;
case UserAction.Pause:
player.Stop();
// Stop the background streaming agent.
AudioTrackStreamer.ShutdownMediaStreamSource();
break;
case UserAction.FastForward:
break;
case UserAction.Rewind:
break;
case UserAction.Seek:
break;
case UserAction.SkipNext:
break;
case UserAction.SkipPrevious:
break;
}
NotifyComplete();
}