public void Run(IBackgroundTaskInstance taskInstance)
{
nowPlayingManager = new NowPlayingManager();
systemControls = SystemMediaTransportControls.GetForCurrentView();
systemControls.ButtonPressed += HandleButtonPressed;
systemControls.PropertyChanged += HandlePropertyChanged;
systemControls.IsEnabled = true;
systemControls.IsPauseEnabled = true;
systemControls.IsPlayEnabled = true;
systemControls.IsPreviousEnabled = true;
systemControls.IsNextEnabled = true;
taskInstance.Canceled += new BackgroundTaskCanceledEventHandler(OnCanceled);
taskInstance.Task.Completed += HandleTaskCompleted;
var value = ApplicationSettingsHelper.ReadResetSettingsValue(AppConstants.AppState);
if (value == null)
{
foregroundTaskStatus = ForegroundTaskStatus.Unknown;
}
else
{
foregroundTaskStatus = (ForegroundTaskStatus)Enum.Parse(typeof(ForegroundTaskStatus), value.ToString());
}
BackgroundMediaPlayer.Current.CurrentStateChanged += BGCurrentStateChanged;
BackgroundMediaPlayer.MessageReceivedFromForeground += MessageReceivedFromForeground;
//taskInstance.Task.Progress += HandleTaskProgress;
if (foregroundTaskStatus != ForegroundTaskStatus.Suspended)
{
ValueSet message = new ValueSet();
message.Add(AppConstants.BackgroundTaskStarted, "");
BackgroundMediaPlayer.SendMessageToForeground(message);
}
backgroundTaskStarted.Set();
backgroundTaskStatus = true;
ApplicationSettingsHelper.SaveSettingsValue(AppConstants.BackgroundTaskState, AppConstants.BackgroundTaskRunning);
shutdown = false;
deferral = taskInstance.GetDeferral();
}
private async void MessageReceivedFromForeground(object sender, MediaPlayerDataReceivedEventArgs e)
{
foreach (string key in e.Data.Keys)
{
switch (key.ToLower())
{
case AppConstants.StartPlayback:
await nowPlayingManager.PlaySong(Int32.Parse(e.Data.Where(z => z.Key.Equals(key)).FirstOrDefault().Value.ToString()));
UpdateUVCOnNewTrack();
break;
case AppConstants.ResumePlayback:
await nowPlayingManager.ResumePlayback();
UpdateUVCOnNewTrack();
break;
case AppConstants.SkipNext:
await Next();
break;
case AppConstants.SkipPrevious:
await Previous();
break;
case AppConstants.Play:
Play();
break;
case AppConstants.Pause:
Pause();
break;
case AppConstants.AppResumed:
foregroundTaskStatus = ForegroundTaskStatus.Active;
nowPlayingManager.CompleteUpdate();
break;
case AppConstants.AppSuspended:
foregroundTaskStatus = ForegroundTaskStatus.Suspended;
//ApplicationSettingsHelper.SaveSettingsValue(Constants.SongId, nowPlayingManager.GetCurrentSongId());
break;
case AppConstants.NowPlayingListChanged:
//nowPlayingManager.UpdateNowPlayingList();
nowPlayingManager.LoadPlaylist();
break;
case AppConstants.Repeat:
nowPlayingManager.ChangeRepeat();
break;
case AppConstants.Shuffle:
nowPlayingManager.ChangeShuffle();
break;
case AppConstants.Position:
BackgroundMediaPlayer.Current.Position = TimeSpan.Parse(e.Data.Where(z => z.Key.Equals(key)).FirstOrDefault().Value.ToString());
break;
case AppConstants.NowPlayingListSorted:
//nowPlayingManager.UpdateNowPlayingList2();
nowPlayingManager.LoadPlaylist();
break;
case AppConstants.SetTimer:
SetTimer();
break;
case AppConstants.CancelTimer:
TimerCancel();
break;
case AppConstants.ShutdownBGPlayer:
ShutdownPlayer();
//ClearPlayer();
break;
case AppConstants.ChangeRate:
nowPlayingManager.ChangeRate(Int32.Parse(e.Data.Where(z => z.Key.Equals(key)).FirstOrDefault().Value.ToString()));
break;
case AppConstants.UpdateUVC:
UpdateUVCOnNewTrack();
break;
case AppConstants.NowPlayingListRefresh:
string p = "";
try
{
p = e.Data.Where(z => z.Key.Equals(key)).FirstOrDefault().Value.ToString();
string[] s = p.Split(new string[] { "!@#$" }, StringSplitOptions.None); //s[2](artist) can equal ""
nowPlayingManager.UpdateSong(Int32.Parse(s[0]), s[1], s[2]);
UpdateUVCOnNewTrack();
}
catch (Exception ex)
{
NextPlayerDataLayer.Diagnostics.Logger.SaveBG("NowPlayingListRefresh" + Environment.NewLine + p + Environment.NewLine + ex.Message);
NextPlayerDataLayer.Diagnostics.Logger.SaveToFileBG();
}
break;
}
}
}
