From 21dcc51e83bb7289ab7dddd30f05dddb06b0bcdb Mon Sep 17 00:00:00 2001
From: kubectl <me@kube.moe>
Date: Wed, 27 Aug 2025 02:52:17 +0200
Subject: [PATCH] Fix launchcommands on Linux (#1352)

* feat: expose IPC listener to electron world

* feat: add listener + rouing to old function + remove old functions

* feat: register vrcx prefix + route launch arguments to electron
---
 src-electron/main.js    | 34 +++++++++++++++++++++++++++++++++-
 src-electron/preload.js | 17 +++++++++++++++--
 src/stores/vrcx.js      | 21 +++++----------------
 src/types/globals.d.ts  |  3 +++
 4 files changed, 56 insertions(+), 19 deletions(-)

diff --git a/src-electron/main.js b/src-electron/main.js
index f5ca9e1b..421f1c25 100644
--- a/src-electron/main.js
+++ b/src-electron/main.js
@@ -14,8 +14,19 @@ const { spawn, spawnSync } = require('child_process');
 const fs = require('fs');
 const https = require('https');
 
+const VRCX_URI_PREFIX = "vrcx"
+
 //app.disableHardwareAcceleration();
 
+if (process.defaultApp) {
+    if (process.argv.length >= 2) {
+        app.setAsDefaultProtocolClient(VRCX_URI_PREFIX, process.execPath, [path.resolve(process.argv[1])])
+    } else {
+        app.setAsDefaultProtocolClient(VRCX_URI_PREFIX)
+    }
+}
+
+
 if (process.platform === 'linux') {
     // Include bundled .NET runtime
     const bundledDotNetPath = path.join(
@@ -105,6 +116,7 @@ ipcMain.handle('callDotNetMethod', (event, className, methodName, args) => {
     return interopApi.callMethod(className, methodName, args);
 });
 
+/** @type {BrowserWindow} */
 let mainWindow = undefined;
 
 const VRCXStorage = interopApi.getDotNetObject('VRCXStorage');
@@ -112,6 +124,26 @@ const hasAskedToMoveAppImage =
     VRCXStorage.Get('VRCX_HasAskedToMoveAppImage') === 'true';
 let isCloseToTray = VRCXStorage.Get('VRCX_CloseToTray') === 'true';
 
+const gotTheLock = app.requestSingleInstanceLock()
+const strip_vrcx_prefix_regex = new RegExp("^" + VRCX_URI_PREFIX + ":\/\/")
+
+if (!gotTheLock) {
+    app.quit()
+} else {
+    app.on('second-instance', (event, commandLine, workingDirectory) => {
+        if (mainWindow && commandLine.length >= 2) {
+            mainWindow.webContents.send('launch-command', commandLine.pop().trim().replace(strip_vrcx_prefix_regex, ""))
+        }
+    })
+
+    app.on('open-url', (event, url) => {
+        if (mainWindow && url) {
+            mainWindow.webContents.send('launch-command', url.replace(strip_vrcx_prefix_regex, ""))
+        }
+    })
+}
+
+
 ipcMain.handle('applyWindowSettings', (event, position, size, state) => {
     if (position) {
         mainWindow.setPosition(parseInt(position.x), parseInt(position.y));
@@ -270,7 +302,7 @@ function createWindow() {
         icon: path.join(rootDir, 'VRCX.png'),
         autoHideMenuBar: true,
         webPreferences: {
-            preload: path.join(__dirname, 'preload.js')
+            preload: path.join(__dirname, 'preload.js'),
         }
     });
     applyWindowState();
diff --git a/src-electron/preload.js b/src-electron/preload.js
index e4c58656..6207fc68 100644
--- a/src-electron/preload.js
+++ b/src-electron/preload.js
@@ -19,6 +19,10 @@ contextBridge.exposeInMainWorld('interopApi', {
     }
 });
 
+
+const validChannels = ['launch-command']
+
+
 contextBridge.exposeInMainWorld('electron', {
     openFileDialog: () => ipcRenderer.invoke('dialog:openFile'),
     openDirectoryDialog: () => ipcRenderer.invoke('dialog:openDirectory'),
@@ -33,6 +37,15 @@ contextBridge.exposeInMainWorld('electron', {
     restartApp: () => ipcRenderer.invoke('app:restart'),
     getWristOverlayWindow: () => ipcRenderer.invoke('app:getWristOverlayWindow'),
     getHmdOverlayWindow: () => ipcRenderer.invoke('app:getHmdOverlayWindow'),
-    updateVr: (active, hmdOverlay, wristOverlay, menuButton, overlayHand) => 
-        ipcRenderer.invoke('app:updateVr', active, hmdOverlay, wristOverlay, menuButton, overlayHand)
+    updateVr: (active, hmdOverlay, wristOverlay, menuButton, overlayHand) =>
+        ipcRenderer.invoke('app:updateVr', active, hmdOverlay, wristOverlay, menuButton, overlayHand),
+
+    ipcRenderer: {
+        on(channel, func) {
+            if (validChannels.includes(channel)) {
+                console.log("contextBridge", channel, func)
+                ipcRenderer.on(channel, (event, ...args) => func(...args));
+            }
+        },
+    }
 });
\ No newline at end of file
diff --git a/src/stores/vrcx.js b/src/stores/vrcx.js
index 2ffed405..573680f9 100644
--- a/src/stores/vrcx.js
+++ b/src/stores/vrcx.js
@@ -516,12 +516,6 @@ export const useVrcxStore = defineStore('Vrcx', () => {
             case 'MsgPing':
                 state.externalNotifierVersion = data.version;
                 break;
-            case 'LaunchCommand':
-                eventLaunchCommand(data.command);
-                break;
-            case 'VRCXLaunch':
-                console.log('VRCXLaunch:', data);
-                break;
             default:
                 console.log('IPC:', data);
         }
@@ -538,22 +532,17 @@ export const useVrcxStore = defineStore('Vrcx', () => {
 
     watch(
         () => watchState.isLoggedIn,
-        (isLoggedIn) => {
+        (_isLoggedIn) => {
             state.isRegistryBackupDialogVisible = false;
-            if (isLoggedIn) {
-                startupLaunchCommand();
-            }
         },
         { flush: 'sync' }
     );
 
-    async function startupLaunchCommand() {
-        const command = await AppApi.GetLaunchCommand();
+    window.electron.ipcRenderer.on('launch-command', (command) => {
         if (command) {
-            eventLaunchCommand(command);
+            eventLaunchCommand(command)
         }
-    }
-
+    })
     function eventLaunchCommand(input) {
         if (!watchState.isLoggedIn) {
             return;
@@ -766,8 +755,8 @@ export const useVrcxStore = defineStore('Vrcx', () => {
         maxTableSize,
         showConsole,
         clearVRCXCache,
-        startupLaunchCommand,
         eventVrcxMessage,
+        eventLaunchCommand,
         showRegistryBackupDialog,
         checkAutoBackupRestoreVrcRegistry,
         tryAutoBackupVrcRegistry,
diff --git a/src/types/globals.d.ts b/src/types/globals.d.ts
index b4d352de..6c4d94dd 100644
--- a/src/types/globals.d.ts
+++ b/src/types/globals.d.ts
@@ -62,6 +62,9 @@ declare global {
                 menuButton: bool,
                 overlayHand: int
             ) => Promise<void>;
+            ipcRenderer: {
+                on(channel: String, func: (...args: unknown[]) => void) 
+            };
         };
         __APP_GLOBALS__: AppGlobals;
     }