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main.js
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main.js
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// Modules to control application life and create native browser window
const {
app,
BrowserWindow,
ipcMain,
shell
} = require('electron');
const path = require('path');
let mainWindow = null;
// Portable mode (Windows only)
if (process.platform === 'win32') {
const fs = require('fs');
const data_path = path.join(path.dirname(app.getPath('exe')), 'data');
if (fs.existsSync(data_path)) {
app.setPath('userData', data_path);
}
}
function createWindow() {
// Create the browser window.
mainWindow = new BrowserWindow({
width: 800,
height: 600,
autoHideMenuBar: true, // hide menu bar
webPreferences: {
preload: path.join(__dirname, 'preload.js')
}
});
mainWindow.webContents.setWindowOpenHandler((details) => {
shell.openExternal(details['url']);
return { action: 'deny' };
});
// and load the index.html of the app.
mainWindow.loadFile('index.html');
// Open the DevTools.
// mainWindow.webContents.openDevTools();
}
const gotTheLock = app.requestSingleInstanceLock();
if (!gotTheLock) {
app.quit();
} else {
app.on('second-instance', (event, commandLine, workingDirectory) => {
// Someone tried to run a second instance, we should focus our window.
if (mainWindow) {
if (mainWindow.isMinimized()) {
mainWindow.restore();
}
mainWindow.focus();
}
});
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.whenReady().then(() => {
createWindow();
app.on('activate', () => {
// On macOS it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (BrowserWindow.getAllWindows().length === 0) {
createWindow();
}
});
});
}
// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', () => {
if (process.platform !== 'darwin') {
app.quit();
}
});
// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.
ipcMain.on('quitApp', () => {
app.releaseSingleInstanceLock();
app.quit();
});
ipcMain.on('lock', () => {
if (process.platform === 'win32') {
require('child_process').exec('rundll32.exe user32.dll, LockWorkStation');
}
});
ipcMain.on('sleep', () => {
if (process.platform === 'win32') {
require('child_process').execFile('resources/nircmdc.exe', ['standby']);
}
});