refactor(startup): expose legacy process lifecycle

2026-07-29 13:58:20 +08:00
parent e50a29c37a
commit a82bc39edf
2 changed files with 234 additions and 59 deletions
@@ -21,11 +21,22 @@ using System.Resources;
 using System.Runtime.InteropServices;
 using System.Resources;
 using System.Diagnostics;
+using Lskj.Main.Hosting;

 namespace Lskj.Main
 {
    static class Program
    {
+        private static CefMainArgs _mainArgs;
+        private static DemoCefApp _cefApp;
+        private static CefSettings _cefSettings;
+        private static Messager _messageFilter;
+        private static EventHandler _cefIdleHandler;
+        private static AboutDevCompanion _devCompanion;
+        private static bool _cefInitialized;
+        private static bool _mainProcessInitialized;
+        private static bool _mainProcessShutdown;
+
        //[DllImport("user32.dll")]
        //private static extern bool SetProcessDpiAwarenessContext(IntPtr dpiContext);

@@ -36,61 +47,160 @@ namespace Lskj.Main
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
-        static void Main(string[] args)
+        static int Main(string[] args)
        {
-            //SetProcessDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
-            CefRuntime.Load();//cef浏览器模块设置加载
-            var mainArgs = new CefMainArgs(args);
-            var app = new DemoCefApp();
-            var settings = new CefSettings
+            LegacyProcessStartResult processResult;
+            try
+            {
+                processResult = LegacyApplicationHost.PrepareProcess(args);
+            }
+            catch (Exception exception)
+            {
+                LogHelper.Instance.WriteError(exception);
+                return -1;
+            }
+
+            if (!processResult.ShouldRunApplication)
+                return processResult.ExitCode;
+
+            try
+            {
+                LegacyApplicationHost.InitializeMainProcess(null);
+                Manager.StartForm();
+                return 0;
+            }
+            catch (Exception exception)
+            {
+                MessageUtil.Show(exception);
+                LogHelper.Instance.WriteError(exception);
+                return -1;
+            }
+            finally
+            {
+                LegacyApplicationHost.ShutdownMainProcess();
+            }
+        }
+
+        internal static int PrepareProcess(string[] args)
+        {
+            if (_mainArgs != null)
+                throw new InvalidOperationException("CEF 进程分流已经执行。");
+
+            CefRuntime.Load();
+            _mainArgs = new CefMainArgs(args ?? new string[0]);
+            _cefApp = new DemoCefApp();
+            _cefSettings = CreateCefSettings();
+            int code = CefRuntime.ExecuteProcess(
+                _mainArgs,
+                _cefApp,
+                IntPtr.Zero);
+            Console.WriteLine(
+                "CefRuntime.ExecuteProcess() returns {0}",
+                code);
+            return code;
+        }
+
+        internal static void InitializeMainProcess()
+        {
+            if (_mainProcessInitialized)
+                throw new InvalidOperationException("旧主进程环境已经初始化。");
+            if (_mainProcessShutdown)
+                throw new InvalidOperationException("旧主进程环境已经关闭。");
+            if (_mainArgs == null || _cefApp == null || _cefSettings == null)
+                throw new InvalidOperationException("尚未执行 CEF 进程分流。");
+
+            try
+            {
+                CefRuntime.Initialize(
+                    _mainArgs,
+                    _cefSettings,
+                    _cefApp,
+                    IntPtr.Zero);
+                _cefInitialized = true;
+
+                Thread.CurrentThread.CurrentUICulture =
+                    new CultureInfo("zh-CN");
+                BonusSkins.Register();
+                SkinManager.EnableFormSkins();
+
+                Application.SetUnhandledExceptionMode(
+                    UnhandledExceptionMode.CatchException);
+                Application.EnableVisualStyles();
+                Application.SetCompatibleTextRenderingDefault(false);
+                _messageFilter = new Messager();
+                Application.AddMessageFilter(_messageFilter);
+                Application.ThreadException += Application_ThreadException;
+                AppDomain.CurrentDomain.UnhandledException +=
+                    CurrentDomain_UnhandledException;
+
+                if (!_cefSettings.MultiThreadedMessageLoop)
+                {
+                    _cefIdleHandler = delegate
+                    {
+                        CefRuntime.DoMessageLoopWork();
+                    };
+                    Application.Idle += _cefIdleHandler;
+                }
+
+                _devCompanion = new AboutDevCompanion(1, false);
+                _devCompanion.Run();
+                Register();
+                _mainProcessInitialized = true;
+            }
+            catch
+            {
+                ShutdownMainProcess();
+                throw;
+            }
+        }
+
+        internal static void ShutdownMainProcess()
+        {
+            if (_mainProcessShutdown)
+                return;
+            _mainProcessShutdown = true;
+
+            try
+            {
+                if (_cefIdleHandler != null)
+                {
+                    Application.Idle -= _cefIdleHandler;
+                    _cefIdleHandler = null;
+                }
+                Application.ThreadException -= Application_ThreadException;
+                AppDomain.CurrentDomain.UnhandledException -=
+                    CurrentDomain_UnhandledException;
+                if (_messageFilter != null)
+                {
+                    Application.RemoveMessageFilter(_messageFilter);
+                    _messageFilter = null;
+                }
+                if (_devCompanion != null)
+                {
+                    _devCompanion.Stop();
+                    _devCompanion = null;
+                }
+            }
+            finally
+            {
+                if (_cefInitialized)
+                {
+                    CefRuntime.Shutdown();
+                    _cefInitialized = false;
+                }
+                _mainProcessInitialized = false;
+            }
+        }
+
+        private static CefSettings CreateCefSettings()
+        {
+            return new CefSettings
            {
                MultiThreadedMessageLoop = true,
                LogSeverity = CefLogSeverity.Disable,
                LogFile = "CefGlue.log",
                Locale = "zh-CN"
            };
-            try
-            {
-                var Code = CefRuntime.ExecuteProcess(mainArgs, app, IntPtr.Zero);
-                Console.WriteLine("CefRuntime.ExecuteProcess() returns {0}", Code);
-            }
-            catch (Exception ex)
-            {
-            }
-            CefRuntime.Initialize(mainArgs, settings, app, IntPtr.Zero);
-            try
-            {
-                // 汉化DevExpress界面
-                Thread.CurrentThread.CurrentUICulture = new CultureInfo("zh-CN");
-                // 设置皮肤
-                BonusSkins.Register();
-                SkinManager.EnableFormSkins();
-
-                //处理未捕获的异常   
-                Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException);
-                Application.EnableVisualStyles();
-                Application.SetCompatibleTextRenderingDefault(false);
-                Application.AddMessageFilter(new Messager());
-                Application.ThreadException += new ThreadExceptionEventHandler(Application_ThreadException);
-                AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException);
-                if (!settings.MultiThreadedMessageLoop)//消息循环
-                {
-                    Application.Idle += (sender, e) => { CefRuntime.DoMessageLoopWork(); };
-                }
-                AboutDevCompanion DC = new AboutDevCompanion(1, false);
-                DC.Run();
-                Register();
-                // 启动程序
-                Manager.StartForm();
-                CefRuntime.Shutdown();
-                DC.Stop();
-            }
-            catch (Exception ex)
-            {
-                MessageUtil.Show(ex);
-                LogHelper.Instance.WriteError(ex);
-            }
-
        }
        /// <summary>
        /// 允许 .NET Framework 4.8 外部宿主复用原程序的 CEF、皮肤、异常、注册和登录初始化。