protected virtual Task OnEnded()
{
if (this.Ended == null)
{
#if NET40
return(TaskEx.FromResult(false));
#else
return(Task.CompletedTask);
#endif
}
var e = new AsyncEventArgs();
this.Ended(this, e);
return(e.Complete());
}
protected virtual async Task OnThemeChanged()
{
if (this.Theme != null)
{
this.Theme.Enable();
}
if (this.ThemeChanged != null)
{
var e = new AsyncEventArgs();
this.ThemeChanged(this, e);
await e.Complete().ConfigureAwait(false);
}
this.OnPropertyChanged("Theme");
}
protected virtual async Task OnCurrentStreamChanged()
{
if (this.CurrentStream != null)
{
this.CurrentStream.Ending += this.Ending;
this.CurrentStream.Ended += this.Ended;
}
if (this.CurrentStreamChanged != null)
{
var e = new AsyncEventArgs();
this.CurrentStreamChanged(this, e);
await e.Complete().ConfigureAwait(false);
}
this.OnPropertyChanged("CurrentStream");
}
protected virtual async void OnCurrentStreamChanged(object sender, AsyncEventArgs e)
{
Logger.Write(this, LogLevel.Debug, "Playback manager output stream changed, updating current playlist item.");
if (this.PlaybackManager.CurrentStream == null)
{
using (e.Defer())
{
await this.SetCurrentItem(null).ConfigureAwait(false);
}
Logger.Write(this, LogLevel.Debug, "Playback manager output stream is empty. Cleared current playlist item.");
}
else if (this.PlaybackManager.CurrentStream.PlaylistItem != this.CurrentItem)
{
using (e.Defer())
{
await this.SetCurrentItem(this.PlaybackManager.CurrentStream.PlaylistItem).ConfigureAwait(false);
}
Logger.Write(this, LogLevel.Debug, "Updated current playlist item: {0} => {1}", this.CurrentItem.Id, this.CurrentItem.FileName);
}
}
protected virtual void OnThemeChanged(object sender, AsyncEventArgs e)
{
var task = this.Refresh();
}
protected virtual void OnCurrentStreamChanged(object sender, AsyncEventArgs e)
{
var task = this.Refresh();
}
