other: Progress on background threads

michaelkoelle · May 23, 2021 · f417e64 · f417e64
1 parent 7f99fa8
commit f417e64
Show file tree

Hide file tree

Showing 2 changed files with 30 additions and 0 deletions.
diff --git a/app/background.html b/app/background.html
@@ -0,0 +1,12 @@
+<h1>Background</h1>
+
+<script type="text/javascript">
+  const { ipcRenderer } = require('electron');
+
+  // let the main thread know this thread is ready to process something
+  function ready() {
+    ipcRenderer.send('bg-ready');
+  }
+
+  ready();
+</script>
diff --git a/app/main.dev.ts b/app/main.dev.ts
@@ -22,6 +22,7 @@ import AutoCorrection from './autocorrection';
 import { RECEIVE_FILE_PATH, REQUEST_FILE_PATH } from './constants/OpenFileIPC';
 
 let mainWindow: BrowserWindow | null = null;
+let bgWindow: BrowserWindow | null = null;
 let file = '';
 
 if (process.env.NODE_ENV === 'production') {
@@ -46,6 +47,19 @@ const installExtensions = async () => {
   ).catch(console.log);
 };
 
+function createBgWindow() {
+  bgWindow = new BrowserWindow({
+    show: false,
+    webPreferences: {
+      nodeIntegration: true,
+    },
+  });
+  bgWindow.loadURL(`file://${__dirname}/background.html`);
+  bgWindow.on('closed', () => {
+    bgWindow = null;
+  });
+}
+
 const createWindow = async () => {
   if (
     process.env.NODE_ENV === 'development' ||
@@ -93,12 +107,16 @@ const createWindow = async () => {
   });
 
   mainWindow.on('closed', () => {
+    bgWindow?.close();
     mainWindow = null;
   });
 
   const menuBuilder = new MenuBuilder(mainWindow);
   menuBuilder.buildMenu();
 
+  // Create background worker window
+  if (bgWindow === null) createBgWindow();
+
   new AppUpdater();
   new Backup();
   new Importer(mainWindow);