private void SendMessageToBackground(PlayQueueConstantFGMessageId messageId, object value)
{
var message = new ValueSet();
message.Add(PlayQueueMessageHelper.FGMessageIdToMessageString(messageId), value);
BackgroundMediaPlayer.SendMessageToBackground(message);
}
internal static string FGMessageIdToMessageString(PlayQueueConstantFGMessageId messageId)
{
switch (messageId)
{
case PlayQueueConstantFGMessageId.AppResumed:
return AppResumed;
case PlayQueueConstantFGMessageId.AppSuspended:
return AppSuspended;
case PlayQueueConstantFGMessageId.LoggingEnabledChanged:
return LoggingEnabledChanged;
case PlayQueueConstantFGMessageId.PlayPauseTrack:
return PlayPauseTrack;
case PlayQueueConstantFGMessageId.PossibleChromeChange:
return PossibleChromeChange;
case PlayQueueConstantFGMessageId.PrevTrack:
return PrevTrack;
case PlayQueueConstantFGMessageId.ScrubToPercentage:
return ScrubToPercentage;
case PlayQueueConstantFGMessageId.SkipTrack:
return SkipTrack;
case PlayQueueConstantFGMessageId.StartPlayback:
return StartPlayback;
case PlayQueueConstantFGMessageId.PlayMode:
return PlayMode;
case PlayQueueConstantFGMessageId.Volume:
return Volume;
default:
DebugHelper.Alert(new CallerInfo(), "Unexpected PlayQueueConstantFGMessageId {0} encountered", messageId.ToString());
return Unknown;
}
}
private void StartBackgroundTask(PlayQueueConstantFGMessageId message)
{
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "Starting background task...");
AttachBackgroundMediaPlayerEventHandlers();
var backgroundtaskinitializationresult = CoreApplication.MainView.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
bool result = IsBackgroundAudioTaskRunning;
if (!result)
{
result = BackgroundInitialized.WaitOne(20000);
}
if (result)
{
IsBackgroundStarted = true;
SendMessageToBackground(message);
}
else
{
Logger.Current.Log(new CallerInfo(), LogLevel.Warning, "Background task didn't start in time");
throw new Exception("Background Audio Task didn't start in expected time");
}
}
);
backgroundtaskinitializationresult.Completed += HandleBackgroundTaskInitializationCompleted;
}
private void SentMessageToBackgroundOrInit(PlayQueueConstantFGMessageId messageId)
{
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "Sending Message To Background Message: {0} IsRunning: {1}", messageId.ToString(), IsBackgroundAudioTaskRunning);
if (IsBackgroundStarted)
{
SendMessageToBackground(messageId);
}
else
{
StartBackgroundTask(messageId);
}
}
internal static string FGMessageIdToMessageString(PlayQueueConstantFGMessageId messageId)
{
switch (messageId)
{
case PlayQueueConstantFGMessageId.AppResumed:
return(AppResumed);
case PlayQueueConstantFGMessageId.AppSuspended:
return(AppSuspended);
case PlayQueueConstantFGMessageId.LoggingEnabledChanged:
return(LoggingEnabledChanged);
case PlayQueueConstantFGMessageId.PlayPauseTrack:
return(PlayPauseTrack);
case PlayQueueConstantFGMessageId.PossibleChromeChange:
return(PossibleChromeChange);
case PlayQueueConstantFGMessageId.PrevTrack:
return(PrevTrack);
case PlayQueueConstantFGMessageId.ScrubToPercentage:
return(ScrubToPercentage);
case PlayQueueConstantFGMessageId.SkipTrack:
return(SkipTrack);
case PlayQueueConstantFGMessageId.StartPlayback:
return(StartPlayback);
default:
DebugHelper.Alert(new CallerInfo(), "Unexpected PlayQueueConstantFGMessageId {0} encountered", messageId.ToString());
return(Unknown);
}
}
private void SendMessageToBackground(PlayQueueConstantFGMessageId messageId)
{
SendMessageToBackground(messageId, DateTime.Now.ToString());
}
private void SentMessageToBackgroundOrInit(PlayQueueConstantFGMessageId messageId)
{
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "Sending Message To Background Message: {0} IsRunning: {1}", messageId.ToString(), IsBackgroundAudioTaskRunning);
if (IsBackgroundStarted)
{
SendMessageToBackground(messageId);
}
else
{
StartBackgroundTask(messageId);
}
}
private void SendMessageToBackground(PlayQueueConstantFGMessageId messageId)
{
SendMessageToBackground(messageId, DateTime.Now.ToString());
}
private void SendMessageToBackground(PlayQueueConstantFGMessageId messageId, object value)
{
var message = new ValueSet();
message.Add(PlayQueueMessageHelper.FGMessageIdToMessageString(messageId), value);
BackgroundMediaPlayer.SendMessageToBackground(message);
}
private void StartBackgroundTask(PlayQueueConstantFGMessageId message)
{
Logger.Current.Log(new CallerInfo(), LogLevel.Info, "Starting background task...");
AttachBackgroundMediaPlayerEventHandlers();
var backgroundtaskinitializationresult = CoreApplication.MainView.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
bool result = IsBackgroundAudioTaskRunning;
if (!result)
{
result = BackgroundInitialized.WaitOne(20000);
}
if (result)
{
IsBackgroundStarted = true;
SendMessageToBackground(message);
}
else
{
Logger.Current.Log(new CallerInfo(), LogLevel.Warning, "Background task didn't start in time");
throw new Exception("Background Audio Task didn't start in expected time");
}
}
);
backgroundtaskinitializationresult.Completed += HandleBackgroundTaskInitializationCompleted;
}
