private void OnDownloadProgress(object sender, DownloadOperation op)
{
Debug.WriteLine($"{op.RequestedUri}:{op.Progress.TotalBytesToReceive}");
var info = NiconicoMediaManager.CacheRequestInfoFromFileName(op.ResultFile);
DownloadProgress?.Invoke(this, info, op);
}
public DividedQualityNicoVideo(NicoVideoQuality quality, NicoVideo nicoVideo, NiconicoMediaManager mediaManager)
{
Quality = quality;
NicoVideo = nicoVideo;
HohoemaApp = nicoVideo.HohoemaApp;
NiconicoMediaManager = mediaManager;
VideoDownloadManager = mediaManager.VideoDownloadManager;
}
static internal Task <NiconicoMediaManager> Create(HohoemaApp app)
{
var man = new NiconicoMediaManager(app);
// await man.RetrieveCacheCompletedVideos();
return(Task.FromResult(man));
}
public NicoVideo(HohoemaApp app, string rawVideoid, NiconicoMediaManager manager)
{
HohoemaApp = app;
RawVideoId = rawVideoid;
_NiconicoMediaManager = manager;
_InterfaceByQuality = new Dictionary <NicoVideoQuality, DividedQualityNicoVideo>();
QualityDividedVideos = new ReadOnlyObservableCollection <DividedQualityNicoVideo>(_QualityDividedVideos);
CommentClient = new CommentClient(HohoemaApp, RawVideoId);
}
public VideoDownloadManager(HohoemaApp hohoemaApp, NiconicoMediaManager mediaManager)
{
HohoemaApp = hohoemaApp;
MediaManager = mediaManager;
_CacheDownloadPendingVideos = new ObservableCollection <NicoVideoCacheRequest>();
CacheDownloadPendingVideos = new ReadOnlyObservableCollection <NicoVideoCacheRequest>(_CacheDownloadPendingVideos);
HohoemaApp.OnSignin += HohoemaApp_OnSignin;
// ダウンロード完了をバックグラウンドで処理
CoreApplication.BackgroundActivated += CoreApplication_BackgroundActivated;
}
/// <summary>
/// キャッシュダウンロードのタスクから
/// ダウンロードの情報を復元します
/// </summary>
/// <returns></returns>
private async Task RestoreBackgroundDownloadTask()
{
// TODO: ユーザーのログイン情報を更新してダウンロードを再開する必要がある？
// ユーザー情報の有効期限が切れていた場合には最初からダウンロードし直す必要があるかもしれません
var tasks = await BackgroundDownloader.GetCurrentDownloadsAsync();
foreach (var task in tasks)
{
NicoVideoCacheProgress info = null;
try
{
var _info = NiconicoMediaManager.CacheRequestInfoFromFileName(task.ResultFile);
info = new NicoVideoCacheProgress()
{
RawVideoId = _info.RawVideoId,
Quality = _info.Quality,
DownloadOperation = task
};
await RestoreDonloadOperation(_info, task);
Debug.WriteLine($"実行中のキャッシュBGDLを補足: {info.RawVideoId} {info.Quality}");
}
catch
{
Debug.WriteLine(task.ResultFile + "のキャッシュダウンロード操作を復元に失敗しました");
continue;
}
try
{
task.Resume();
}
catch
{
if (task.Progress.Status != BackgroundTransferStatus.Running)
{
await RemoveDownloadOperation(info);
// ダウンロード再開に失敗したらキャッシュリクエストに積み直します
// 失敗の通知はここではなくバックグラウンドタスクの 後処理 として渡されるかもしれません
await AddCacheRequest(info.RawVideoId, info.Quality, forceUpdate : true);
}
}
}
}
public static async Task <HohoemaApp> Create(IEventAggregator ea)
{
HohoemaApp.UIDispatcher = Window.Current.CoreWindow.Dispatcher;
var app = new HohoemaApp(ea);
app.MediaManager = await NiconicoMediaManager.Create(app);
await app.LoadUserSettings();
await app.FeedManager.Initialize();
var folder = ApplicationData.Current.LocalFolder;
var playlistFolder = await folder.CreateFolderAsync(PlaylistSaveFolderName, CreationCollisionOption.OpenIfExists);
app.Playlist = new HohoemaPlaylist(MediaPlayer, app.UserSettings.PlaylistSettings, playlistFolder);
await app.Playlist.Load();
app.RagistrationBackgroundUpdateHandle();
return(app);
}
// ダウンロード完了
private async Task OnDownloadCompleted(Task <DownloadOperation> prevTask)
{
if (prevTask.IsFaulted)
{
return;
}
Debug.WriteLine("キャッシュ完了");
if (prevTask.Result != null)
{
var op = prevTask.Result;
var info = NiconicoMediaManager.CacheRequestInfoFromFileName(op.ResultFile);
await RemoveDownloadOperation(info);
if (op.Progress.Status == BackgroundTransferStatus.Completed)
{
if (op.Progress.TotalBytesToReceive == op.Progress.BytesReceived)
{
Debug.WriteLine("キャッシュ済み: " + op.ResultFile.Name);
DownloadCompleted?.Invoke(this, info, op.ResultFile.Path);
}
else
{
Debug.WriteLine("キャッシュキャンセル: " + op.ResultFile.Name);
DownloadCanceled?.Invoke(this, info);
}
using (var pendingVideoLockReleaser = await _CacheDownloadPendingVideosLock.LockAsync())
{
_CacheDownloadPendingVideos.Remove(info);
}
}
else
{
Debug.WriteLine($"キャッシュ失敗: {op.ResultFile.Name} （再ダウンロードします）");
DownloadCanceled?.Invoke(this, info);
await AddCacheRequest(info.RawVideoId, info.Quality, forceUpdate : true);
}
try
{
if (op.TransferGroup != null &&
_BackgroundTransferCompletionInfoMap.ContainsKey(op.TransferGroup.Name)
)
{
var btcInfo = _BackgroundTransferCompletionInfoMap[op.TransferGroup.Name];
btcInfo.TaskRegistration.Unregister(cancelTask: false);
_BackgroundTransferCompletionInfoMap.Remove(op.TransferGroup.Name);
}
}
catch
{
Debug.WriteLine("failed unregister background download completion task.");
}
}
await TryNextCacheRequestedVideoDownload();
}
public DmcQualityNicoVideo(NicoVideoQuality quality, NicoVideo nicoVideo, NiconicoMediaManager context)
: base(quality, nicoVideo, context)
{
}
public OriginalQualityNicoVideo(NicoVideo nicoVideo, NiconicoMediaManager context)
: base(NicoVideoQuality.Original, nicoVideo, context)
{
}
public LowQualityNicoVideo(NicoVideo nicoVideo, NiconicoMediaManager context)
: base(NicoVideoQuality.Low, nicoVideo, context)
{
}