public async Task Load(List <string> files, LoadListener listener, CancellationToken cancelToken)
{
this.listener = listener;
this.cancelToken = cancelToken;
lock (songs)
{
songs.Clear();
}
try
{
await Task.Run(() =>
{
splits = 0;
listener.NotifyLoadInitiated(files.Count);
SplitAndLoad(files);
}, cancelToken);
}
catch (Exception e)
{
Messenger.Log("Canceled!");
}
lock (songs)
{
Messenger.Log("Collected songs: " + songs.Count);
listener.NotifyCompleted(songs);
}
}
public void DeleteSongs(IList <Song> songs, LoadListener progressTracker)
{
progressTracker.NotifyNewLoad();
progressTracker.NotifyLoadInitiated(songs.Count);
foreach (var s in songs)
{
library.RemoveById(s.ID);
Messenger.Post("Deleted song: " + s.Name);
progressTracker.NotifyProgress(1);
}
progressTracker.NotifyCompleted(songs);
library.InitialiseParts();
NotifyUpdated();
}
public void DeleteAlbum(string album, LoadListener listener)
{
var songsToDelete = library.GetSongsByAlbum(album);
listener.NotifyNewLoad();
listener.NotifyLoadInitiated(songsToDelete.Count);
foreach (var song in songsToDelete)
{
library.RemoveById(song.ID);
listener.NotifyProgress(1);
}
library.InitialiseParts();
listener.NotifyCompleted(new List <Song>());
NotifyUpdated();
}
public void DeleteArtist(string artist, LoadListener progressTracker)
{
var songs = library.GetSongsByArtist(artist);
progressTracker.NotifyNewLoad();
progressTracker.NotifyLoadInitiated(songs.Count + 1);
foreach (var song in songs)
{
library.RemoveById(song.ID);
progressTracker.NotifyProgress(1);
}
library.InitialiseParts();
progressTracker.NotifyProgress(1);
progressTracker.NotifyCompleted(new List <Song>());
NotifyUpdated();
}
private IList <Song> LoadFromXml(LoadListener listener)
{
if (!File.Exists(filename))
{
throw new Exception(filename + " not found!");
}
listener.NotifyNewLoad();
List <PersistedSong> songs = null;
using (var reader = XmlReader.Create(filename))
{
songs = new List <PersistedSong>((PersistedSong[])serializerInstance.Deserialize(reader));
}
Messenger.Post("Library reloaded from " + filename);
var convertedSongs = new SongConverter().ConvertPersistedSongs(songs);
Messenger.Log("Persisted songs converted");
listener.NotifyLoadInitiated(convertedSongs.Count);
listener.NotifyCompleted(convertedSongs);
return(convertedSongs);
}
public void NotifyLoadInitiated(int capacity)
{
attachedListener?.NotifyLoadInitiated(capacity);
LoadInitiated?.Invoke(this, capacity);
}
public void Initiate()
{
IsInitiated = true;
listener?.NotifyLoadInitiated(list.Count);
}
