public SimpleSongCollection(IShuffleCollection actualShuffleSongs, Song currentSong)
{
list = new List <Song>();
int currentSongIndex = actualShuffleSongs.IndexOf(currentSong);
int startIndex, count;
if (actualShuffleSongs.Count < saveSongsCount)
{
startIndex = 0;
count = actualShuffleSongs.Count;
}
else if (currentSongIndex + saveSongsCount < actualShuffleSongs.Count)
{
startIndex = currentSongIndex;
count = saveSongsCount;
}
else
{
startIndex = actualShuffleSongs.Count - saveSongsCount;
count = saveSongsCount;
}
foreach (Song song in actualShuffleSongs.Skip(startIndex).Take(count))
{
list.Add(song);
}
SetShuffleType(actualShuffleSongs.Type);
}
internal ShuffleChangedEventArgs(IShuffleCollection oldShuffleSongs, IShuffleCollection newShuffleSongs)
{
OldShuffleType = oldShuffleSongs?.Type ?? ShuffleType.Off;
NewShuffleType = newShuffleSongs?.Type ?? ShuffleType.Off;
OldShuffleSongs = oldShuffleSongs;
NewShuffleSongs = newShuffleSongs;
}
private void Unsubscribe(IShuffleCollection shuffle)
{
if (shuffle == null)
{
return;
}
shuffle.Changed -= OnShuffleCollectionChanged;
}
public void SetShuffleType(ShuffleType type)
{
if (type == Shuffle.Type)
{
return;
}
Shuffle = CreateShuffle(type, Parent?.CurrentSong);
}
private void Subscribe(IShuffleCollection shuffle)
{
if (shuffle == null)
{
return;
}
shuffle.Changed += Shuffle_Changed;
}
public SongCollection(IEnumerable <Song> songs, ShuffleType type, Song currentSong)
{
list = new List <Song>(songs);
foreach (Song song in list)
{
song.Parent = this;
}
Shuffle = CreateShuffle(type, currentSong);
}
public void ReadXml(XmlReader reader)
{
ShuffleType shuffleType = (ShuffleType)Enum.Parse(typeof(ShuffleType), reader.GetAttribute("Shuffle"));
reader.ReadStartElement();
list = new List <Song>(XmlConverter.DeserializeList <Song>(reader, "Song"));
foreach (Song song in list)
{
song.Parent = this;
}
Shuffle = new SimpleShuffleCollection(this, shuffleType);
}
public void ReadXml(XmlReader reader)
{
ShuffleType shuffleType = (ShuffleType)Enum.Parse(typeof(ShuffleType),
reader.GetAttribute("Shuffle") ?? Enum.GetName(typeof(ShuffleType), ShuffleType.Off));
IShuffleCollection shuffle = GetShuffleType(shuffleType);
reader.ReadStartElement();
list = XmlConverter.DeserializeList <Song>(reader, "Song").ToList();
foreach (Song song in list)
{
song.Parent = this;
}
shuffle.ReadXml(XmlConverter.GetReader(reader.ReadOuterXml()));
Shuffle = shuffle;
}
public SongCollection()
{
list = new List <Song>();
Shuffle = new ShuffleOffCollection(this);
}
public void SetShuffleType(ShuffleType type)
{
Shuffle = new SimpleShuffleCollection(this, type);
}
