main.js

const { app, BrowserWindow, ipcMain } = require('electron');
const path = require('path');

let win;

function createWindow() {
  win = new BrowserWindow({
    width: 280,
    height: 320,
    alwaysOnTop: true,
    frame: false,
    transparent: true,
    resizable: false,
    skipTaskbar: false,
    icon: path.join(__dirname, 'assets', 'icon.ico'),
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      contextIsolation: true,
      nodeIntegration: false
    }
  });

  // screen-saver level ensures it stays above PPT fullscreen
  win.setAlwaysOnTop(true, 'screen-saver');

  win.loadFile(path.join(__dirname, 'renderer', 'index.html'));

  // Re-assert always-on-top when focus changes
  win.on('blur', () => {
    if (win && !win.isDestroyed()) {
      win.setAlwaysOnTop(true, 'screen-saver');
    }
  });
}

ipcMain.on('window-close', () => {
  if (win) win.close();
});

app.whenReady().then(createWindow);

app.on('window-all-closed', () => {
  app.quit();
});