public async Task <SongRequestCurrentlyPlayingModel> GetStatus()
{
this.status = null;
if (this.httpListenerServer != null)
{
await this.DispatchWrapper(() => this.browser.InvokeScript("getStatus"));
for (int i = 0; i < 10 && this.status == null; i++)
{
await Task.Delay(500);
}
}
return(status);
}
private async Task BackgroundSongMaintainer(CancellationTokenSource cancellationTokenSource)
{
int failedStatusAttempts = 0;
await BackgroundTaskWrapper.RunBackgroundTask(cancellationTokenSource, async (tokenSource) =>
{
await Task.Delay(backgroundInterval, tokenSource.Token);
await SongRequestService.songRequestLock.WaitAndRelease(async() =>
{
if (this.Status != null && this.Status.State == SongRequestStateEnum.Playing)
{
this.Status.Progress += backgroundInterval;
}
if (this.forceStateQuery || this.Status == null || (this.Status.Length > 0 && this.Status.Progress >= this.Status.Length))
{
this.forceStateQuery = false;
SongRequestCurrentlyPlayingModel newStatus = await this.GetStatus();
if (newStatus == null || newStatus.State == SongRequestStateEnum.NotStarted)
{
this.forceStateQuery = true;
failedStatusAttempts++;
if (failedStatusAttempts >= 3)
{
await this.SkipInternal();
}
}
else
{
failedStatusAttempts = 0;
this.Status.State = newStatus.State;
this.Status.Progress = newStatus.Progress;
this.Status.Length = newStatus.Length;
this.Status.Volume = newStatus.Volume;
if (this.Status.State == SongRequestStateEnum.Ended)
{
await this.SkipInternal();
}
else if (this.Status.Volume != ChannelSession.Settings.SongRequestVolume)
{
await this.RefreshVolumeInternal();
}
}
}
});
});
}
private async Task BackgroundSongMaintainer(CancellationTokenSource cancellationTokenSource)
{
int totalLoops = 0;
await BackgroundTaskWrapper.RunBackgroundTask(cancellationTokenSource, async (tokenSource) =>
{
await Task.Delay(backgroundInterval, tokenSource.Token);
await SongRequestService.songRequestLock.WaitAndRelease(async() =>
{
if (this.Status != null && this.Status.Length > 0)
{
totalLoops++;
if (this.Status.State == SongRequestStateEnum.Playing)
{
this.Status.Progress += backgroundInterval;
if (totalLoops >= 30)
{
SongRequestCurrentlyPlayingModel newStatus = await this.GetStatus();
if (newStatus != null)
{
this.Status.State = newStatus.State;
this.Status.Progress = newStatus.Progress;
this.Status.Length = newStatus.Length;
this.Status.Volume = newStatus.Volume;
}
totalLoops = 0;
}
}
if (this.Status.Progress >= this.Status.Length || this.Status.State == SongRequestStateEnum.Ended)
{
await this.SkipInternal();
}
}
else
{
SongRequestCurrentlyPlayingModel newStatus = await this.GetStatus();
if (newStatus != null)
{
this.Status.State = newStatus.State;
this.Status.Progress = newStatus.Progress;
this.Status.Length = newStatus.Length;
this.Status.Volume = newStatus.Volume;
}
}
});
});
}
public async Task <SongRequestCurrentlyPlayingModel> GetStatus()
{
try
{
SpotifyCurrentlyPlayingModel currentlyPlaying = await ChannelSession.Services.Spotify.GetCurrentlyPlaying();
if (currentlyPlaying != null && currentlyPlaying.ID != null)
{
SongRequestCurrentlyPlayingModel result = new SongRequestCurrentlyPlayingModel()
{
ID = currentlyPlaying.ID,
URI = currentlyPlaying.Uri,
Name = currentlyPlaying.ToString(),
AlbumImage = (!string.IsNullOrEmpty(currentlyPlaying.Album?.ImageLink)) ? currentlyPlaying.Album?.ImageLink : SpotifyDefaultAlbumArt,
Type = SongRequestServiceTypeEnum.Spotify,
Progress = currentlyPlaying.CurrentProgress,
Length = currentlyPlaying.Duration,
Volume = currentlyPlaying.Volume,
};
if (currentlyPlaying.IsPlaying)
{
result.State = SongRequestStateEnum.Playing;
}
else if (currentlyPlaying.CurrentProgress > 0)
{
result.State = SongRequestStateEnum.Paused;
}
else
{
result.State = SongRequestStateEnum.Ended;
}
return(result);
}
}
catch (Exception ex)
{
Logger.Log(ex);
}
return(null);
}
public void SetStatus(string result)
{
this.status = SerializerHelper.DeserializeFromString <SongRequestCurrentlyPlayingModel>(result);
}