public void Run(IBackgroundTaskInstance taskInstance)
{
Logger.Current.Init(LogType.AudioFunction);
PlayQueueManager.Current.Connect();
systemMediaTransportControls = SystemMediaTransportControls.GetForCurrentView();
systemMediaTransportControls.ButtonPressed += HandleSystemMediaTransportControlsButtonPressed;
systemMediaTransportControls.PropertyChanged += HandleSystemMediaTransportControlsPropertyChanged;
systemMediaTransportControls.IsEnabled = true;
systemMediaTransportControls.IsPauseEnabled = true;
systemMediaTransportControls.IsPlayEnabled = true;
systemMediaTransportControls.IsNextEnabled = true;
systemMediaTransportControls.IsPreviousEnabled = true;
taskInstance.Canceled += HandleTaskInstanceCanceled;
taskInstance.Task.Completed += HandleTaskInstanceTaskCompleted;
taskInstance.Task.Progress += Task_Progress;
BackgroundMediaPlayer.Current.CurrentStateChanged += HandleBackgroundMediaPlayerCurrentStateChanged;
BackgroundMediaPlayer.Current.SeekCompleted += HandleBackgroundMediaPlayerSeekComplete;
BackgroundMediaPlayer.MessageReceivedFromForeground += HandleBackgroundMediaPlayerMessageReceivedFromForeground;
backgroundTaskStarted.Set();
backgroundTaskState = BackgroundTaskState.Running;
backgroundTaskDefferal = taskInstance.GetDeferral();
PlayQueueManager.Current.TrackChanged += HandlePlayQueueTrackChanged;
ApplicationSettings.PutSettingsValue(ApplicationSettings.IS_BACKGROUND_PROCESS_ACTIVE, true);
if (ApplicationSettings.GetSettingsValue<bool>(ApplicationSettings.IS_FOREGROUND_PROCESS_ACTIVE, false))
{
Logger.Current.Init(LogType.AudioFunction);
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "Sending message to the FG -- BackgroundStarted");
PlayQueueManager.Current.SendMessageToForeground(PlayQueueConstantBGMessageId.BackgroundStarted);
foregroundTaskState = ForegroundTaskState.Running;
}
else
{
Logger.Current.Init(LogType.AudioFunction);
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "Didn't send message to the FG because FG not started");
foregroundTaskState = ForegroundTaskState.Stopped;
}
}
public void Run(IBackgroundTaskInstance taskInstance)
{
Logger.Current.Init(LogType.BG);
PlayQueueManager.Current.Connect();
systemMediaTransportControls = SystemMediaTransportControls.GetForCurrentView();
systemMediaTransportControls.ButtonPressed += HandleSystemMediaTransportControlsButtonPressed;
systemMediaTransportControls.PropertyChanged += HandleSystemMediaTransportControlsPropertyChanged;
systemMediaTransportControls.IsEnabled = true;
systemMediaTransportControls.IsPauseEnabled = true;
systemMediaTransportControls.IsPlayEnabled = true;
systemMediaTransportControls.IsNextEnabled = true;
systemMediaTransportControls.IsPreviousEnabled = true;
taskInstance.Canceled += HandleTaskInstanceCanceled;
taskInstance.Task.Completed += HandleTaskInstanceTaskCompleted;
taskInstance.Task.Progress += Task_Progress;
BackgroundMediaPlayer.Current.CurrentStateChanged += HandleBackgroundMediaPlayerCurrentStateChanged;
BackgroundMediaPlayer.Current.SeekCompleted += HandleBackgroundMediaPlayerSeekComplete;
BackgroundMediaPlayer.MessageReceivedFromForeground += HandleBackgroundMediaPlayerMessageReceivedFromForeground;
backgroundTaskStarted.Set();
backgroundTaskState = BackgroundTaskState.Running;
backgroundTaskDefferal = taskInstance.GetDeferral();
PlayQueueManager.Current.TrackChanged += HandlePlayQueueTrackChanged;
ApplicationSettings.PutSettingsValue(ApplicationSettings.IS_BACKGROUND_PROCESS_ACTIVE, true);
if (ApplicationSettings.GetSettingsValue <bool>(ApplicationSettings.IS_FOREGROUND_PROCESS_ACTIVE, false))
{
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "Sending message to the FG -- BackgroundStarted");
PlayQueueManager.Current.SendMessageToForeground(PlayQueueConstantBGMessageId.BackgroundStarted);
foregroundTaskState = ForegroundTaskState.Running;
}
else
{
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "Didn't send message to the FG because FG not started");
foregroundTaskState = ForegroundTaskState.Stopped;
}
}
void HandleBackgroundMediaPlayerMessageReceivedFromForeground(object sender, MediaPlayerDataReceivedEventArgs e)
{
foreach (string key in e.Data.Keys)
{
switch (key.ToLower())
{
case PlayQueueMessageHelper.AppSuspended:
foregroundTaskState = ForegroundTaskState.Stopped;
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "GOT SUSPEND EVENT");
break;
case PlayQueueMessageHelper.AppResumed:
foregroundTaskState = ForegroundTaskState.Running;
break;
case PlayQueueMessageHelper.StartPlayback:
PlayQueueManager.Current.Play();
break;
case PlayQueueMessageHelper.PrevTrack:
SkipToPrevious();
break;
case PlayQueueMessageHelper.SkipTrack:
SkipToNext();
break;
case PlayQueueMessageHelper.PossibleChromeChange:
systemMediaTransportControls.IsNextEnabled = PlayQueueManager.Current.CanSkip();
systemMediaTransportControls.IsPreviousEnabled = PlayQueueManager.Current.CanBack();
break;
case PlayQueueMessageHelper.PlayPauseTrack:
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "PlayPause State: {0}", BackgroundMediaPlayer.Current.CurrentState);
bool isActiveAndValidState = false;
if (PlayQueueManager.Current.IsActive)
{
if (BackgroundMediaPlayer.Current.CurrentState == MediaPlayerState.Playing)
{
BackgroundMediaPlayer.Current.Pause();
isActiveAndValidState = true;
}
else if (BackgroundMediaPlayer.Current.CurrentState == MediaPlayerState.Paused)
{
BackgroundMediaPlayer.Current.Play();
isActiveAndValidState = true;
}
}
if (!isActiveAndValidState)
{
// TODO: #16 flashy flash goes the play button
if (backgroundTaskState != BackgroundTaskState.Running)
{
bool success = backgroundTaskStarted.WaitOne(5000);
if (!success)
{
throw new Exception("BackgroundProccessLaunchFailed");
}
}
StartPlayback();
}
break;
case PlayQueueMessageHelper.LoggingEnabledChanged:
Logger.Current.UpdateEnabled();
break;
case PlayQueueMessageHelper.ScrubToPercentage:
Seek(DebugHelper.CastAndAssert <double>(e.Data[key]));
break;
}
}
}
void HandleBackgroundMediaPlayerMessageReceivedFromForeground(object sender, MediaPlayerDataReceivedEventArgs e)
{
foreach (string key in e.Data.Keys)
{
switch (key.ToLower())
{
case PlayQueueMessageHelper.AppSuspended:
foregroundTaskState = ForegroundTaskState.Stopped;
Logger.Current.Init(LogType.AudioFunction);
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "GOT SUSPEND EVENT");
break;
case PlayQueueMessageHelper.AppResumed:
foregroundTaskState = ForegroundTaskState.Running;
break;
case PlayQueueMessageHelper.StartPlayback:
PlayQueueManager.Current.Play();
break;
case PlayQueueMessageHelper.PrevTrack:
SkipToPrevious();
break;
case PlayQueueMessageHelper.SkipTrack:
SkipToNext();
break;
case PlayQueueMessageHelper.PossibleChromeChange:
systemMediaTransportControls.IsNextEnabled = PlayQueueManager.Current.CanSkip();
systemMediaTransportControls.IsPreviousEnabled = PlayQueueManager.Current.CanBack();
break;
case PlayQueueMessageHelper.PlayPauseTrack:
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "PlayPause State: {0}", BackgroundMediaPlayer.Current.CurrentState);
bool isActiveAndValidState = false;
if (PlayQueueManager.Current.IsActive)
{
if (BackgroundMediaPlayer.Current.CurrentState == MediaPlayerState.Playing)
{
BackgroundMediaPlayer.Current.Pause();
isActiveAndValidState = true;
}
else if (BackgroundMediaPlayer.Current.CurrentState == MediaPlayerState.Paused)
{
BackgroundMediaPlayer.Current.Play();
isActiveAndValidState = true;
}
}
if (!isActiveAndValidState)
{
// TODO: #16 flashy flash goes the play button
if (backgroundTaskState != BackgroundTaskState.Running)
{
bool success = backgroundTaskStarted.WaitOne(5000);
if (!success)
{
throw new Exception("BackgroundProccessLaunchFailed");
}
}
StartPlayback();
}
break;
case PlayQueueMessageHelper.LoggingEnabledChanged:
break;
case PlayQueueMessageHelper.ScrubToPercentage:
Seek(DebugHelper.CastAndAssert<double>(e.Data[key]));
break;
case PlayQueueMessageHelper.PlayMode:
BackgroundMediaPlayer.Current.IsLoopingEnabled = !BackgroundMediaPlayer.Current.IsLoopingEnabled;
break;
case PlayQueueMessageHelper.Volume:
BackgroundMediaPlayer.Current.Volume = DebugHelper.CastAndAssert<double>(e.Data[key]);
break;
}
}
}
