public async void Play(PlaylistItem item)
{
// プレイリストアイテムが不正
var playlist = item.Owner;
if (item.Type == PlaylistItemType.Video)
{
if (playlist != null && !playlist.Contains(item.ContentId))
{
throw new Exception();
}
}
if (!NiconicoSession.IsPremiumAccount && !VideoCacheManager.CanAddDownloadLine)
{
// 一般ユーザーまたは未登録ユーザーの場合
// 視聴セッションを１つに制限するため、キャッシュダウンロードを止める必要がある
// キャッシュ済みのアイテムを再生中の場合はダウンロード可能なので確認をスキップする
bool playingVideoIsCached = false;
var currentItem = item;
if (currentItem != null && currentItem.Type == PlaylistItemType.Video)
{
var cachedItems = await VideoCacheManager.GetCacheRequest(currentItem.ContentId);
if (cachedItems.FirstOrDefault(x => x.ToCacheState() == NicoVideoCacheState.Cached) != null)
{
playingVideoIsCached = true;
}
}
if (!playingVideoIsCached)
{
var currentDownloadingItems = await VideoCacheManager.GetDownloadProgressVideosAsync();
var downloadingItem = currentDownloadingItems.FirstOrDefault();
var downloadingItemVideoInfo = Database.NicoVideoDb.Get(downloadingItem.RawVideoId);
var dialogService = App.Current.Container.Resolve <Services.DialogService>();
var totalSize = downloadingItem.DownloadOperation.Progress.TotalBytesToReceive;
var receivedSize = downloadingItem.DownloadOperation.Progress.BytesReceived;
var megaBytes = (totalSize - receivedSize) / 1000_000.0;
var downloadProgressDescription = $"ダウンロード中\n{downloadingItemVideoInfo.Title}\n残り {megaBytes:0.0} MB ( {receivedSize / 1000_000.0:0.0} MB / {totalSize / 1000_000.0:0.0} MB)";
var isCancelCacheAndPlay = await dialogService.ShowMessageDialog("ニコニコのプレミアム会員以外は 視聴とダウンロードは一つしか同時に行えません。\n視聴を開始する場合、キャッシュは中止されます。またキャッシュを再開する場合はダウンロードは最初からやり直しになります。\n\n" + downloadProgressDescription, "キャッシュを中止して視聴を開始しますか？", "キャッシュを中止して視聴する", "何もしない");
if (isCancelCacheAndPlay)
{
await VideoCacheManager.SuspendCacheDownload();
}
else
{
return;
}
}
}
else if (!NiconicoSession.IsPremiumAccount)
{
// キャッシュ済みの場合はサスペンドを掛けない
if (item.Type == PlaylistItemType.Video && false == await VideoCacheManager.CheckCachedAsync(item.ContentId))
{
await VideoCacheManager.SuspendCacheDownload();
}
}
Player.PlayStarted(item);
_ = PlayerViewManager.PlayWithCurrentPlayerView(item);
}
/// <summary>
/// 再生処理
/// </summary>
/// <returns></returns>
public async Task <PlayingOrchestrateResult> CreatePlayingOrchestrateResultAsync(string videoId)
{
var cacheVideoResult = await _videoCacheManager.TryCreateCachedVideoSessionProvider(videoId);
if (cacheVideoResult.IsSuccess)
{
INiconicoCommentSessionProvider commentSessionProvider = null;
INicoVideoDetails nicoVideoDetails = null;
if (!Models.Helpers.InternetConnection.IsInternet())
{
var cachedComment = _commentRepository.GetCached(videoId);
if (cachedComment != null)
{
commentSessionProvider = new CachedCommentsProvider(videoId, cachedComment.Comments);
}
var videoInfo = Database.NicoVideoDb.Get(videoId);
if (videoInfo != null)
{
nicoVideoDetails = new CachedVideoDetails()
{
VideoTitle = videoInfo.Title,
ViewCount = videoInfo.ViewCount,
CommentCount = videoInfo.CommentCount,
MylistCount = videoInfo.MylistCount,
VideoLength = videoInfo.Length,
SubmitDate = videoInfo.PostedAt,
Tags = videoInfo.Tags.Select(x => new NicoVideoTag(x.Id)).ToArray(),
ProviderId = videoInfo.Owner?.OwnerId,
ProviderName = videoInfo.Owner?.ScreenName,
OwnerIconUrl = videoInfo.Owner.IconUrl,
DescriptionHtml = videoInfo.DescriptionWithHtml,
ThumbnailUrl = videoInfo.ThumbnailUrl
};
}
}
else
{
var preparePlayVideo = await _nicoVideoSessionProvider.PreparePlayVideoAsync(videoId);
commentSessionProvider = preparePlayVideo;
nicoVideoDetails = preparePlayVideo?.GetVideoDetails();
}
// キャッシュからコメントを取得する方法が必要
return(new PlayingOrchestrateResult(
cacheVideoResult.VideoSessionProvider,
commentSessionProvider,
nicoVideoDetails
));
}
else
{
/*
* bool canPlay = true;
* var downloadLineOwnership = await _videoCacheManager.TryRentDownloadLineAsync();
* if (downloadLineOwnership == null)
* {
* canPlay = false;
* if (await ShowSuspendCacheDownloadingDialog())
* {
* await _videoCacheManager.SuspendCacheDownload();
* canPlay = true;
* }
* }
*
* if (!canPlay)
* {
* return new PlayingOrchestrateResult();
* }
*/
var preparePlayVideo = await _nicoVideoSessionProvider.PreparePlayVideoAsync(videoId);
if (!preparePlayVideo.IsSuccess)
{
var progress = await _videoCacheManager.GetDownloadProgressVideosAsync();
if (!_niconicoSession.IsPremiumAccount && progress.Any())
{
var result = await ShowSuspendCacheDownloadingDialog();
if (result)
{
preparePlayVideo = await _nicoVideoSessionProvider.PreparePlayVideoAsync(videoId);
}
}
}
if (preparePlayVideo == null || !preparePlayVideo.IsSuccess)
{
throw new NotSupportedException("不明なエラーにより再生できません");
}
return(new PlayingOrchestrateResult(
preparePlayVideo,
preparePlayVideo,
preparePlayVideo.GetVideoDetails()
));
}
}
