Phase D (T2-10): media playlist - auto-collect detected media, flyout management, player window (native+hls.js+dash.js bundles), persistence, auto-next (101 tests GREEN)

VideoDownloader.App/MainWindow.xaml.cs

@@ -40,6 +40,10 @@ public partial class MainWindow : Window
     private readonly ObservableCollection<HistoryEntry> _history = new();
     private bool _suggesting; // 주소창 인라인 자동완성 도중 (TextChanged 재귀 방지)
 
+    // Phase D: 미디어 재생목록 (T2-10)
+    private readonly MediaPlaylist _playlist = new();
+    private PlayerWindow? _player;
+
     // Phase C: 팔레트/부스트/워크스페이스/레이아웃
     private readonly CommandPalette _palette = new();
     private BoostStore _boostStore = null!;
@@ -101,6 +105,7 @@ public partial class MainWindow : Window
                 _workspaces = System.Text.Json.JsonSerializer.Deserialize<List<WorkspaceSnapshot>>(File.ReadAllText(wsPath)) ?? new();
         }
         catch { }
+        _playlist.Load(Path.Combine(AppDataDir, "playlist.json"));
         BuildPalette();
 
         Loaded += async (_, _) => await InitializeBrowserAsync();
@@ -227,6 +232,8 @@ public partial class MainWindow : Window
 
         // T1-5 다운로드 속도 갱신 타이머
         DownloadsList.ItemsSource = _pageDownloads.Items;
+        PlaylistList.ItemsSource = _playlist.Tracks;
+        PlaylistEmptyHint.Visibility = _playlist.Tracks.Count == 0 ? Visibility.Visible : Visibility.Collapsed;
         _speedTimer = new System.Windows.Threading.DispatcherTimer { Interval = TimeSpan.FromSeconds(1) };
         _speedTimer.Tick += (_, _) =>
         {
@@ -451,6 +458,7 @@ public partial class MainWindow : Window
                 else
                 {
                     _manager.LogPanel($"★ 미디어 감지 [{ct}] {FmtLen(len)}: {uri}");
+                    AddToPlaylist(uri, GuessTitle(uri), MediaKind.Direct.ToString(), referer);
                     _manager.OnDetected(new DetectionContext(uri, referer, MediaKind.Direct, ct));
                 }
             }
@@ -870,6 +878,7 @@ public partial class MainWindow : Window
         ConfigStore.Save(_config);
         // T1-10 세션 저장: 탭 URL/활성/핀 보존
         try { if (_tabs != null) TabSessionStore.Save(SessionPath, _tabs.CaptureSession()); } catch { }
+        try { _playlist.Save(Path.Combine(AppDataDir, "playlist.json")); } catch { } // T2-10
     }
 
     // ---- 개인정보 보호 모드 + 브라우저 데이터 관리 ----
@@ -1141,6 +1150,8 @@ public partial class MainWindow : Window
         _palette.Register("인쇄", "print pdf", () => { try { Cv?.ShowPrintUI(); } catch { } });
         _palette.Register("저장 폴더 열기", "folder open output", () => OpenInExplorer(null));
         _palette.Register("이 페이지 즐겨찾기", "bookmark add star", () => AddBookmark_Click(this, new RoutedEventArgs()));
+        _palette.Register("미디어 재생목록", "playlist play media 음악 영상", () => { PlaylistPopup.IsOpen = true; });
+        _palette.Register("재생목록 재생", "playlist play start", OpenPlayer);
         _palette.RegisterSeparator();
         _palette.RegisterDynamic(() => _tabs.Tabs
             .Select(t => new PaletteCommand($"탭 전환: {Trunc(t.Title, 40)}", "tab go switch", () => _tabs.Activate(t)))
@@ -1475,6 +1486,58 @@ public partial class MainWindow : Window
         Log($"워크스페이스 '{ws.Name}' 전환 ({ws.Urls.Count} 탭)");
     }
 
+    // ---- T2-10 미디어 재생목록 ----
+    private void AddToPlaylist(string url, string title, string kind, string? referer)
+    {
+        _playlist.Add(new MediaTrack(url, Trunc(title, 70), kind, DateTime.UtcNow, Referer: referer));
+        try { _playlist.Save(Path.Combine(AppDataDir, "playlist.json")); } catch { }
+        PlaylistEmptyHint.Visibility = _playlist.Tracks.Count == 0 ? Visibility.Visible : Visibility.Collapsed;
+    }
+
+    private static string GuessTitle(string url)
+    {
+        try
+        {
+            var name = Path.GetFileName(new Uri(url).AbsolutePath);
+            return string.IsNullOrWhiteSpace(name) ? url : Uri.UnescapeDataString(name);
+        }
+        catch { return url; }
+    }
+
+    private void TogglePlaylistPanel(object sender, RoutedEventArgs e)
+    {
+        PlaylistPopup.IsOpen = !PlaylistPopup.IsOpen;
+    }
+
+    private void PlaylistPlay_Click(object sender, RoutedEventArgs e)
+    {
+        if ((sender as FrameworkElement)?.DataContext is MediaTrack t)
+        {
+            _playlist.CurrentIndex = _playlist.Tracks.IndexOf(t);
+            OpenPlayer();
+        }
+    }
+
+    private void PlaylistRemove_Click(object sender, RoutedEventArgs e)
+    {
+        if ((sender as FrameworkElement)?.DataContext is MediaTrack t) _playlist.Remove(t);
+    }
+
+    private void PlaylistClear_Click(object sender, RoutedEventArgs e) => _playlist.Clear();
+
+    private void PlaylistPlayAll_Click(object sender, RoutedEventArgs e) => OpenPlayer();
+
+    private void OpenPlayer()
+    {
+        if (_player == null || _player.IsLoaded == false)
+        {
+            _player = new PlayerWindow(_env!, _config, _playlist) { Owner = this };
+            _player.Closed += (_, _) => _player = null;
+            _player.Show();
+        }
+        else { _player.Activate(); _player.PlayCurrent(); }
+    }
+
     // ---- 카드 액션 ----
     private void CardDownload_Click(object sender, RoutedEventArgs e)
     {