Add WinUI and core source

src/box-winUI/Services/RuntimeLayoutBootstrapper.cs

@@ -0,0 +1,133 @@
+using System.Runtime.InteropServices;
+using Windows.ApplicationModel;
+using YMhut.Box.Core.App;
+
+namespace YMhut.Box.WinUI.Services;
+
+internal static class RuntimeLayoutBootstrapper
+{
+    public static bool TryRelaunchFromWritableLayoutIfNeeded()
+    {
+        try
+        {
+            CleanupLegacyPersistentRuntime();
+            if (IsPackaged() || !RequiresLegacyCompressedLayout(AppContext.BaseDirectory))
+            {
+                return false;
+            }
+
+            const string title = "YMhut Box 启动失败";
+            var message =
+                "检测到旧版压缩语言资源布局，YMhut Box 不再把运行时复制到用户目录。\n\n" +
+                "请使用新版安装包覆盖安装。安装引导程序会清理旧布局并重新铺设程序文件。\n\n" +
+                "This installation still uses the legacy compressed language layout. YMhut Box no longer creates a persistent runtime copy under LocalAppData. Please reinstall with the latest setup package.";
+            CrashLog.Write(message);
+            ShowStartupError(title, message);
+            return true;
+        }
+        catch (Exception exception)
+        {
+            CrashLog.Write(exception);
+            return false;
+        }
+    }
+
+    public static string InstalledExecutablePath => InstallLayoutPaths.ResolveInstalledExecutablePath();
+
+    public static string InstalledWorkingDirectory => Path.GetDirectoryName(InstalledExecutablePath) ?? AppContext.BaseDirectory;
+
+    private static bool RequiresLegacyCompressedLayout(string directory)
+    {
+        var legacyLangRoot = Path.Combine(directory, "resources", "lang");
+        return Directory.Exists(legacyLangRoot) &&
+            Directory.EnumerateFiles(legacyLangRoot, "*.bin", SearchOption.TopDirectoryOnly).Any() &&
+            !HasPureLangSatelliteResources(directory);
+    }
+
+    private static bool HasPureLangSatelliteResources(string directory)
+    {
+        var langRoot = Path.Combine(directory, "lang");
+        if (!Directory.Exists(langRoot))
+        {
+            return false;
+        }
+
+        foreach (var culture in new[] { "zh-CN", "en-US" })
+        {
+            var cultureRoot = Path.Combine(langRoot, culture);
+            if (!Directory.Exists(cultureRoot))
+            {
+                return false;
+            }
+
+            if (!Directory.EnumerateFiles(cultureRoot, "*.mui", SearchOption.AllDirectories).Any() &&
+                !Directory.EnumerateFiles(cultureRoot, "*.resources.dll", SearchOption.AllDirectories).Any())
+            {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    private static void CleanupLegacyPersistentRuntime()
+    {
+        var localAppData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
+        var legacyRoots = new[]
+        {
+            Path.Combine(localAppData, "YMhut Box", "WinUI"),
+            Path.Combine(localAppData, "YMhut Box"),
+            Path.Combine(localAppData, "ymhut_box")
+        };
+
+        foreach (var root in legacyRoots)
+        {
+            foreach (var name in AppPaths.RuntimePayloadDirectoryNames)
+            {
+                TryDeleteDirectory(Path.Combine(root, name));
+            }
+        }
+    }
+
+    private static void TryDeleteDirectory(string directory)
+    {
+        try
+        {
+            if (Directory.Exists(directory))
+            {
+                Directory.Delete(directory, recursive: true);
+            }
+        }
+        catch (Exception exception)
+        {
+            CrashLog.Write($"Unable to remove legacy runtime directory '{directory}': {exception.Message}");
+        }
+    }
+
+    private static bool IsPackaged()
+    {
+        try
+        {
+            _ = Package.Current.Id.FullName;
+            return true;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    private static void ShowStartupError(string title, string message)
+    {
+        try
+        {
+            _ = MessageBoxW(IntPtr.Zero, message, title, 0x00000010);
+        }
+        catch
+        {
+        }
+    }
+
+    [DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = false)]
+    private static extern int MessageBoxW(IntPtr hWnd, string text, string caption, uint type);
+}