async Task InitializeAsync()
{
using (await _updateLock.LockAsync())
{
if (DataContext is Interfaces.IVideoContent video)
{
if (_context == video)
{
return;
}
IsInitialized = false;
if (video is Interfaces.IVideoContentWritable videoContent)
{
await _videoInfoRepository.UpdateAsync(videoContent);
}
await Task.Delay(25);
SubscriptionWatchedIfNotWatch(video);
SubscribeCacheState(video);
SubscribeNGVideoOwnerChanged(video);
_context = video;
IsInitialized = true;
}
}
}
private void SubscribeNGVideoOwnerChanged(Interfaces.IVideoContent video)
{
UnsubscribeNGVideoOwnerChanged();
UpdateIsHidenVideoOwner(video);
_ngSettings.NGVideoOwnerUserIds.CollectionChanged += NGVideoOwnerUserIds_CollectionChanged;
}
void UpdateIsHidenVideoOwner(Interfaces.IVideoContent video)
{
if (video != null)
{
VideoHiddenInfo = _ngSettings.IsNgVideo(video);
}
else
{
VideoHiddenInfo = null;
}
}
private void SubscribeCacheState(Interfaces.IVideoContent video)
{
UnsubscribeCacheState();
// System.Diagnostics.Debug.Assert(DataContext != null);
if (video != null)
{
_cacheManager.VideoCacheStateChanged += _cacheManager_VideoCacheStateChanged;
var cacheRequest = _cacheManager.GetCacheRequest(video.Id);
ResetCacheRequests(video, cacheRequest);
}
}
void SubscriptionWatchedIfNotWatch(Interfaces.IVideoContent video)
{
UnsubscriptionWatched();
if (video != null)
{
var watched = Database.VideoPlayedHistoryDb.IsVideoPlayed(video.Id);
IsWatched = watched;
if (!watched)
{
var eventAggregator = App.Current.Container.Resolve <IEventAggregator>();
var palyedEvent = eventAggregator.GetEvent <UseCase.Playlist.Events.VideoPlayedEvent>();
_watchedDisposable = palyedEvent.Subscribe(Watched, ThreadOption.UIThread);
}
}
}
public NGResult IsNgVideo(Interfaces.IVideoContent info)
{
NGResult result = null;
if (info.ProviderId != null)
{
result = IsNgVideoOwnerId(info.ProviderId);
if (result != null)
{
return(result);
}
}
result = IsNGVideoTitle(info.Label);
if (result != null)
{
return(result);
}
return(result);
}
void ResetCacheRequests(Interfaces.IVideoContent video, CacheRequest cacheRequest)
{
ClearHandleProgress();
_ = _dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
// Note: 表示バグのワークアラウンドのため必要
CacheRequest = null;
if (cacheRequest?.CacheState == NicoVideoCacheState.Downloading)
{
var progress = await _cacheManager.GetCacheProgress(video.Id);
if (progress != null)
{
HandleProgress(progress);
}
cacheRequest = new CacheRequest(cacheRequest, cacheRequest.CacheState)
{
PriorityQuality = progress.Quality
};
}
if (cacheRequest?.CacheState == NicoVideoCacheState.Cached &&
cacheRequest.PriorityQuality == NicoVideoQuality.Unknown)
{
var cached = await _cacheManager.GetCachedAsync(video.Id);
if (cached?.Any() ?? false)
{
cacheRequest = new CacheRequest(cacheRequest, cacheRequest.CacheState)
{
PriorityQuality = cached.First().Quality
};
}
}
CacheRequest = cacheRequest;
});
}
