private async void ResetItems()
{
var newOwner = Playlist;
using (var releaser = await _PlaylistUpdateLock.LockAsync())
{
PlayedItems.Clear();
_ItemsObservaeDisposer?.Dispose();
_ItemsObservaeDisposer = null;
ResetRandmizedItems(SourceItems);
if (newOwner is INotifyCollectionChanged playlistNotifyCollectionChanged)
{
_ItemsObservaeDisposer = playlistNotifyCollectionChanged.CollectionChangedAsObservable()
.Subscribe(async _ =>
{
using (var releaser2 = await _PlaylistUpdateLock.LockAsync())
{
// 再生中アイテムが削除された時のプレイリストの動作
// 動画プレイヤーには影響を与えないこととする
// 連続再生動作の継続性が確保できればOK
SourceItems.Clear();
foreach (var newItem in newOwner.Select(x => new PlaylistItem()
{
ContentId = x,
Owner = newOwner,
Type = PlaylistItemType.Video,
}))
{
SourceItems.Add(newItem);
}
ResetRandmizedItems(SourceItems);
if (PlaylistSettings.IsShuffleEnable)
{
CurrentIndex = 0;
}
else
{
CurrentIndex = Current == null ? 0 : SourceItems.IndexOf(Current);
}
RaisePropertyChanged(nameof(CanGoBack));
RaisePropertyChanged(nameof(CanGoNext));
}
});
}
RaisePropertyChanged(nameof(CanGoBack));
RaisePropertyChanged(nameof(CanGoNext));
}
}
internal async void ResetItems(IPlayableList newOwner)
{
using (var releaser = await _PlaylistUpdateLock.LockAsync())
{
PlayedItems.Clear();
ResetRandmizedItems();
_ItemsObservaeDisposer?.Dispose();
_ItemsObservaeDisposer = null;
Playlist = newOwner;
if (Playlist != null)
{
_ItemsObservaeDisposer = Playlist.PlaylistItems.CollectionChangedAsObservable()
.Subscribe(async x =>
{
using (var releaser2 = await _PlaylistUpdateLock.LockAsync())
{
// 再生中アイテムが削除された時のプレイリストの動作
// 動画プレイヤーには影響を与えないこととする
// 連続再生動作の継続性が確保できればOK
ResetRandmizedItems();
if (PlaylistSettings.IsShuffleEnable)
{
CurrentIndex = 0;
}
else
{
CurrentIndex = Current == null ? 0 : SourceItems.IndexOf(Current);
}
RaisePropertyChanged(nameof(CanGoBack));
RaisePropertyChanged(nameof(CanGoNext));
}
});
}
RaisePropertyChanged(nameof(CanGoBack));
RaisePropertyChanged(nameof(CanGoNext));
}
}
