/**
* MediaOpenedイベントのハンドラ
*/
private async void OnOpened(MediaPlayer sender, object args)
{
Opened = true;
if (null != OwnerView)
{
CmLog.debug("WvvMediaLoader.OnOpened: MediaOpened");
await terminate(sender);
}
}
/**
* ソースをMediaPlayerにロードする(非同期版）
*/
public Task <bool> LoadAsync(MediaSource source, DependencyObject ownerView)
{
CmLog.debug("WvvMediaLoader.LoadAsync: async operation started...");
var task = new TaskCompletionSource <bool>();
Load(source, ownerView, (loader) =>
{
CmLog.debug("WvvMediaLoader.LoadAsync: ... async operation finished.");
task.TrySetResult(Opened);
});
return(task.Task);
}
/**
* トラッキング終了時のハンドラ
*/
private void OnKnobReleased(object sender, PointerRoutedEventArgs e)
{
((UIElement)sender).ReleasePointerCapture(e.Pointer);
mTracking.Active = false;
if (null != mTracking.Moved)
{
var v = getNewValue(e);
mTracking.Moved(v, true);
mTracking.Moved = null;
}
CmLog.debug("WvvTrimmingSlider.OnKnobReleased");
e.Handled = true;
}
/**
* URLのキャッシュ(IWvvCache)を取得
*/
public async Task <IWvvCache> GetCacheAsync(Uri uri)
{
WvvCache cache;
using (mManagerLock.Lock())
{
string key = keyFromUri(uri);
if (!mCacheList.TryGetValue(key, out cache))
{
try
{
var file = await mFolder.Folder.GetFileAsync(key);
await TouchFileAsync(file);
cache = new WvvCache(key, uri, file);
mCacheList[key] = cache;
CmLog.debug("WvvCacheManager.GetCacheAsync: Use cold cache: {0}", uri.ToString());
}
catch (FileNotFoundException)
{
// target is not found in cache
cache = new WvvCache(key, uri, null);
mCacheList[key] = cache;
CmLog.debug("WvvCacheManager.GetCacheAsync: Use new cache: {0}", uri.ToString());
}
catch (Exception e2)
{
CmLog.error(e2, "WvvCacheManager.GetCacheAsync");
return(null);
}
}
else
{
CmLog.debug("WvvCacheManager.GetCacheAsync: Use hot cache: {0}", uri.ToString());
var file = cache.CacheFile;
if (null != file && cache.RefCount == 0)
{
await TouchFileAsync(file);
}
}
}
cache.AddRef();
Sweep();
return(cache);
}
/**
* MediaFailedイベントのハンドラ
*
* --> Errorプロパティのコメント参照
*/
private async void OnFailed(MediaPlayer sender, MediaPlayerFailedEventArgs args)
{
CmLog.debug("WvvMediaLoader.OnFailed: MediaFailed");
if (null != args.ErrorMessage && args.ErrorMessage.Length > 0)
{
CmLog.debug(args.ErrorMessage);
Error.SetError(args.ErrorMessage);
}
if (null != args.ExtendedErrorCode)
{
CmLog.error(args.ExtendedErrorCode.Message);
Error.SetError(args.ExtendedErrorCode);
}
Opened = false;
await terminate(sender);
}
/**
* MediaPlayerでエラーが発生したときの処理
*/
private async void MP_Failed(MediaPlayer sender, MediaPlayerFailedEventArgs args)
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
CmLog.debug("WvvTrimmingView.MP_Failed: MediaFailed");
if (null != args.ErrorMessage && args.ErrorMessage.Length > 0)
{
CmLog.debug(args.ErrorMessage);
Error.SetError(args.ErrorMessage);
}
if (null != args.ExtendedErrorCode)
{
CmLog.error(args.ExtendedErrorCode.Message);
Error.SetError(args.ExtendedErrorCode);
}
});
}
//private void OnUnloaded(object sender, RoutedEventArgs e)
//{
// Debug.WriteLine("MediaPage Unloaded.");
// Dispose();
//}
/**
* リソース解放
*/
private void Dispose()
{
var player = mPlayer.MediaPlayer;
if (null != player)
{
mPlayer.UnregisterPropertyChangedCallback(MediaPlayerElement.IsFullWindowProperty, mFullWindowListenerToken);
mPlayer.SetMediaPlayer(null);
player.Dispose();
//この方法は、Restricted Capabilities の指定が必要なので、できれば避けたい。
//SystemNavigationManagerPreview.GetForCurrentView().CloseRequested -= OnCloseRequested;
}
Closed = null;
mInfo = null;
CmLog.debug("WvvPinPPage.Dispose: PinP Player Disposed.)");
}
/**
* 終了処理 (成功時/エラー発生時の共通処理）
*/
private async Task terminate(MediaPlayer mediaPlayer)
{
CmLog.debug("WvvMediaLoader.terminate: (Loading={0})", Loading);
await OwnerView.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
CmLog.debug("WvvMediaLoader.terminate (inner): Loading={0}, hasCallback={0}", Loading, Loaded != null);
if (Loading)
{
Loading = false;
mediaPlayer.MediaOpened -= OnOpened;
mediaPlayer.MediaFailed -= OnFailed;
if (Opened)
{
try
{
TotalRange = Player.PlaybackSession.NaturalDuration.TotalMilliseconds;
VideoSize = new Size(Player.PlaybackSession.NaturalVideoWidth, Player.PlaybackSession.NaturalVideoHeight);
CmLog.debug("WvvMediaLoader.terminate (inner): Loaded");
}
catch (Exception e)
{
// MediaOpenedが返ってきても、その後、プロパティを参照しようとすると Shutdown済み、みたいな例外が出ることがあって、
// このような場合は、ステータスも Closedになっているので、オープン失敗として扱う。
CmLog.error(e, "WvvMediaLoader.terminate (inner): Error");
Opened = false;
mediaPlayer.Source = null;
Error.SetError(e);
}
}
else
{
mediaPlayer.Source = null;
if (!Error.HasError)
{
Error.SetError("MediaLoader error");
}
}
Loaded?.Invoke(this);
Loaded = null;
OwnerView = null;
}
});
}
/**
* CurrentPosition調整用Thumbがクリックされた
*/
private void OnThumbPressed(object sender, PointerRoutedEventArgs e)
{
((UIElement)sender).CapturePointer(e.Pointer);
beginTracking(e, 1, MWidth, AbsoluteCurrentPosition, TotalRange - TrimEnd - TrimStart);
mTracking.Moved = (v, last) =>
{
CurrentPosition = v;
if (mTracking.Ext != AbsoluteCurrentPosition)
{
mTracking.Ext = AbsoluteCurrentPosition;
CurrentPositionChanged?.Invoke(this, CurrentPosition, false);
}
};
CmLog.debug("WvvTrimmingSlider.OnThumbPressed");
e.Handled = true;
}
/**
* TrimEnd位置調整用Knobがクリックされた
*/
private void OnRKnobPressed(object sender, PointerRoutedEventArgs e)
{
((UIElement)sender).CapturePointer(e.Pointer);
beginTracking(e, -1, RWidth, TrimEnd, TotalRange - TrimStart - MinimumRange);
mTracking.Moved = (v, last) =>
{
TrimEnd = v;
if (mTracking.Ext != v)
{
mTracking.Ext = v;
TrimEndChanged?.Invoke(this, v, last);
}
};
CmLog.debug("WvvTrimmingSlider.OnRKnobPressed");
e.Handled = true;
}
/**
* キャッシュファイルを取得する。
* @param callback 結果を返すコールバック
*/
public void GetFile(WvvDownloadedHandler callback)
{
lock (mLock)
{
if (null == mFile)
{
if (null == mDownloadTask)
{
Download();
}
CmLog.debug("WvvCache.GetFile: Downloading ...");
Downloaded += callback;
return;
}
}
// ファイルはキャッシュされている
CmLog.debug("WvvCache.GetFile: Cache File Available");
callback(this, mFile);
}
private async void PBS_StateChanged(MediaPlaybackSession session, object args)
{
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
CmLog.debug("WvvTrimmingView:PlaybackState = {0}", session.PlaybackState.ToString());
switch (session.PlaybackState)
{
case MediaPlaybackState.None:
case MediaPlaybackState.Buffering:
case MediaPlaybackState.Opening:
case MediaPlaybackState.Paused:
default:
IsPlaying = false;
break;
case MediaPlaybackState.Playing:
IsPlaying = true;
break;
}
});
}
/**
* SubWindowの×ボタンがクリックされたときに呼び出される。
*/
private void OnConsolidated(ApplicationView sender, ApplicationViewConsolidatedEventArgs args)
{
CmLog.debug("WvvPinPPage.OnConsolidated: PinP Player Closed.)");
ApplicationView.GetForCurrentView().Consolidated -= OnConsolidated;
Close();
}