URI Scheme

StartupArgs.cs

@@ -0,0 +1,72 @@
+// Copyright(c) 2019-2021 pypy. All rights reserved.
+//
+// This work is licensed under the terms of the MIT license.
+// For a copy, see <https://opensource.org/licenses/MIT>.
+
+using System;
+using System.Diagnostics;
+using System.IO.Pipes;
+using System.Runtime.InteropServices;
+using System.Text;
+
+namespace VRCX
+{
+    class StartupArgs
+    {
+        [DllImport("user32.dll")]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static extern bool ShowWindow(IntPtr hWnd, int flags);
+
+        [DllImport("user32.dll")]
+        private static extern int SetForegroundWindow(IntPtr hwnd);
+
+        public static string LaunchCommand;
+
+        public static void ArgsCheck()
+        {
+            string[] args = Environment.GetCommandLineArgs();
+            if (args.Length == 0)
+                return;
+
+            foreach (string arg in args)
+            {
+                if (arg.Length > 12 && arg.Substring(0, 12) == "/uri=vrcx://")
+                {
+                    LaunchCommand = arg.Substring(12);
+                    ProcessCheck(LaunchCommand);
+                }
+            }
+        }
+
+        private static void ProcessCheck(string command)
+        {
+            Process currentProcess = Process.GetCurrentProcess();
+            Process[] processList = Process.GetProcessesByName("VRCX");
+
+            if (processList.Length > 1)
+            {
+                new IPCServer().CreateIPCServer();
+                var ipcClient = new NamedPipeClientStream(".", "vrcx-ipc", PipeDirection.InOut);
+                ipcClient.Connect();
+
+                if (ipcClient.IsConnected)
+                {
+                    var buffer = Encoding.UTF8.GetBytes($"{{\"type\":\"LaunchCommand\",\"command\":\"{command}\"}}" + (char)0x00);
+                    ipcClient.BeginWrite(buffer, 0, buffer.Length, IPCClient.OnSend, ipcClient);
+                }
+
+                foreach (Process process in processList)
+                {
+                    if (process.Id != currentProcess.Id)
+                    {
+                        IntPtr handle = process.MainWindowHandle;
+                        ShowWindow(handle, 9);
+                        SetForegroundWindow(handle);
+                    }
+                }
+
+                Environment.Exit(0);
+            }
+        }
+    }
+}