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)
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Yun Chan
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162
VideoDownloader.App/Browser/PlayerWindow.cs
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162
VideoDownloader.App/Browser/PlayerWindow.cs
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using System.IO;
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using System.Reflection;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Interop;
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using Microsoft.Web.WebView2.Core;
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using VideoDownloader.App.Browser.Features;
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using VideoDownloader.Core.Config;
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using Wv2 = Microsoft.Web.WebView2.Wpf;
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namespace VideoDownloader.App.Browser;
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/// <summary>
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/// T2-10 미디어 재생목록 플레이어: Direct(MP4)/HLS(hls.js)/DASH(dash.js) 를
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/// 생성된 HTML 플레이어로 재생. 곡 종료 시 다음 트랙 자동 재생(연속 재생).
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/// </summary>
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public sealed class PlayerWindow : Window
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{
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private readonly CoreWebView2Environment _env;
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private readonly AppConfig _config;
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private readonly Wv2.WebView2 _web = new() { DefaultBackgroundColor = System.Drawing.Color.Black };
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private MediaPlaylist _playlist;
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private readonly TextBlock _title;
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public PlayerWindow(CoreWebView2Environment env, AppConfig config, MediaPlaylist playlist)
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{
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_env = env;
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_config = config;
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_playlist = playlist;
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Title = "재생목록 — Video Downloader";
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Width = 900; Height = 620;
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WindowStartupLocation = WindowStartupLocation.CenterOwner;
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var bar = new Border { Background = System.Windows.Media.Brushes.Black, Padding = new Thickness(8, 6, 8, 6) };
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var dock = new DockPanel();
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var prev = MkBtn("⏮ 이전", () => { _playlist.Previous(); PlayCurrent(); });
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var next = MkBtn("⏭ 다음", () => { _playlist.Next(); PlayCurrent(); });
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var close = MkBtn("✕ 닫기", () => Close());
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_title = new TextBlock { Foreground = System.Windows.Media.Brushes.LightGray, FontSize = 12, VerticalAlignment = VerticalAlignment.Center, TextTrimming = TextTrimming.CharacterEllipsis, Margin = new Thickness(8, 0, 8, 0) };
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DockPanel.SetDock(close, Dock.Right);
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DockPanel.SetDock(next, Dock.Right);
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DockPanel.SetDock(prev, Dock.Left);
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dock.Children.Add(close);
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dock.Children.Add(next);
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dock.Children.Add(prev);
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dock.Children.Add(_title);
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bar.Child = dock;
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var grid = new Grid { RowDefinitions = { new RowDefinition { Height = GridLength.Auto }, new RowDefinition { Height = new GridLength(1, GridUnitType.Star) } } };
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Grid.SetRow(bar, 0); Grid.SetRow(_web, 1);
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grid.Children.Add(bar);
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grid.Children.Add(_web);
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Content = grid;
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Loaded += async (_, _) =>
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{
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try
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{
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var options = _env.CreateCoreWebView2ControllerOptions();
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if (_config.PrivateMode) options.IsInPrivateModeEnabled = true;
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await _web.EnsureCoreWebView2Async(_env, options);
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var cv = _web.CoreWebView2!;
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cv.WebMessageReceived += (_, we) =>
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{
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try
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{
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var msg = we.WebMessageAsJson;
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if (string.IsNullOrEmpty(msg)) return;
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using var doc = System.Text.Json.JsonDocument.Parse(msg);
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if (doc.RootElement.TryGetProperty("vdEnded", out var e) && e.GetBoolean())
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{
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Dispatcher.BeginInvoke(new Action(() =>
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{
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var cur = _playlist.Current;
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if (cur != null) _playlist.MarkPlayed(cur);
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_playlist.Next();
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PlayCurrent();
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}));
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}
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}
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catch { }
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};
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PlayCurrent();
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}
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catch { }
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};
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}
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protected override void OnSourceInitialized(EventArgs e)
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{
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base.OnSourceInitialized(e);
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try
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{
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var hwnd = new WindowInteropHelper(this).Handle;
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int dark = 1;
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DwmSetWindowAttribute(hwnd, 20, ref dark, sizeof(int));
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}
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catch { }
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}
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[System.Runtime.InteropServices.DllImport("dwmapi.dll")]
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private static extern int DwmSetWindowAttribute(IntPtr hwnd, int attribute, ref int pvAttribute, int cbAttribute);
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private Button MkBtn(string text, Action onClick)
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{
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var b = new Button
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{
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Content = text,
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Padding = new Thickness(10, 3, 10, 3),
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Margin = new Thickness(4, 0, 4, 0),
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Background = System.Windows.Media.Brushes.Transparent,
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Foreground = System.Windows.Media.Brushes.White,
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BorderBrush = System.Windows.Media.Brushes.Gray
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};
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b.Click += (_, _) => onClick();
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return b;
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}
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public void PlayCurrent()
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{
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var track = _playlist.Current;
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if (track == null) { _title.Text = "재생목록이 비었습니다"; return; }
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_title.Text = $"{_playlist.CurrentIndex + 1}/{_playlist.Tracks.Count} · {track.Title} [{track.Kind}]";
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try { _web.CoreWebView2?.NavigateToString(BuildPlayerHtml(track)); }
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catch { }
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}
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/// <summary>트랙 재생 HTML — HLS 는 hls.js, DASH 는 dash.js 번들 인라인.</summary>
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public static string BuildPlayerHtml(MediaTrack track)
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{
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var url = track.Url.Replace("&", "&").Replace("\"", """).Replace("<", "<");
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var isHls = track.Kind == "Hls" || track.Url.Contains(".m3u8", StringComparison.OrdinalIgnoreCase);
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var isDash = track.Kind == "Dash" || track.Url.Contains(".mpd", StringComparison.OrdinalIgnoreCase);
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var hls = isHls ? ReadResource("VideoDownloader.App.Assets.hls.min.js") : "";
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var dash = isDash ? ReadResource("VideoDownloader.App.Assets.dash.all.min.js") : "";
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var loader = "";
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if (isHls) loader = "if (Hls.isSupported()) { var h = new Hls(); h.loadSource(SRC); h.attachMedia(v); } else v.src = SRC;";
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else if (isDash) loader = "var p = dashjs.MediaPlayer().create(); p.initialize(v, SRC, true);";
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else loader = "v.src = SRC;";
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var html = "<!DOCTYPE html><html><head><meta charset='utf-8'><style>" +
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"body{background:#000;margin:0;overflow:hidden}video{width:100vw;height:100vh}" +
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"</style></head><body><video id='v' controls autoplay playsinline></video>" +
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"<script>var SRC=" + System.Text.Json.JsonSerializer.Serialize(track.Url) + ";" +
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(hls.Length > 0 ? "<script>" + hls + "</script>" : "") +
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(dash.Length > 0 ? "<script>" + dash + "</script>" : "") +
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"<script>(function(){var v=document.getElementById('v');" + loader +
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"v.addEventListener('ended',function(){try{window.chrome.webview.postMessage({vdEnded:true});}catch(e){}});" +
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"v.addEventListener('error',function(){try{window.chrome.webview.postMessage({vdEnded:true});}catch(e){}});})();" +
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"</script></body></html>";
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return html;
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}
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private static string ReadResource(string name)
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{
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var stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(name);
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return stream == null ? "" : new StreamReader(stream).ReadToEnd();
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}
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}
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