/// <summary>
/// Called when a playlist is added to the playlist container.
/// When the playlist is fully loaded, the playlist is 'introduced', meaning events
/// changing the meta-data of this playlist will be tracked.
/// If no pending changes are present, the playlist will be stored.
/// Also, every playlist that is added will have its state changes tracked.
/// </summary>
void AddPlaylist(SpotiFire.Playlist playlist)
{
lock (playlist) {
//LogPlaylist(playlist, "added");
if (playlist.IsFullyLoaded())
{
Introduce(playlist);
if (!playlist.HasPendingChanges)
{
CreateOrUpdate(playlist);
}
}
playlist.StateChanged += playlist_StateChanged;
}
}
/// <summary>
/// Called when the state of a playlist changes.
/// If the playlist is in the playlist container and fully loaded, it introduces the
/// playlist if that has not happened before.
/// If no pending changes are present and no update is in progress, the playlist
/// will be stored / updated.
/// </summary>
void playlist_StateChanged(SpotiFire.Playlist sender, PlaylistEventArgs e)
{
lock (sender) {
//LogPlaylist(sender, "state changed");
if (this.IsInSession(sender) && sender.IsFullyLoaded())
{
if (!sender.IsKnown())
{
Introduce(sender);
}
if (!sender.HasPendingChanges && !sender.IsUpdateInProgress())
{
CreateOrUpdate(sender);
}
}
}
}