/// <summary>
/// 从当前程序集加载
/// </summary>
/// <returns></returns>
private static MusicSources Load()
{
Assembly assembly = Assembly.GetExecutingAssembly();
List <Type> hostTypes = new List <Type>();
foreach (var type in assembly.GetExportedTypes())
{
if (type.Name == "MusicSources")
{
continue;
}
if (type.IsClass && typeof(IMusicSource).IsAssignableFrom(type) && !type.IsAbstract) //确定type为类并且继承实现接口实例
{
hostTypes.Add(type);
}
}
MusicSources musicSources = new MusicSources();
foreach (var type in hostTypes)
{
IMusicSource instance = (IMusicSource)Activator.CreateInstance(type);
musicSources.AddMusicSource(instance);
}
return(musicSources);
}
private void ComboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
CurrentSource = _loadedPlugins[plListSelection.SelectedIndex];
QualityDropDown.Items.Clear();
QualityDropDown.Items.AddRange(CurrentSource.MusicQualityList);
CurrentQuality = QualityDropDown.SelectedItem?.ToString() ?? "";
plAuthor.Text = CurrentSource.Author;
plVer.Text = CurrentSource.MusicSourceVersion;
interfaceVer.Text = CurrentSource.InterfaceVersion;
formats.Text = string.Join("/", CurrentSource.MusicQualityList);
}
public void AddMusicSource(IMusicSource Source)
{
Sources.Add(Source);
type2Source.Add(Source.Name, Source);
}
private async Task<Option<IPlayer>> GetPlayerForSourceAsync(IMusicSource source)
{
// todo: may have specific player preference here
IPlayer player;
if (!players.TryGetValue(source, out player))
{
var sourcePlayer = await source.RequestAvailablePlayerAsync(this);
sourcePlayer.IfHasValue(p =>
{
players.Add(source, p);
SubscribePlayerEvents(p);
});
return sourcePlayer;
}
return Option.Create(player);
}