main.js

const electron = require('electron')
// Module to control application life.
const { app, BrowserWindow } = electron
const updater = require('./updater')

// Keep window state
const windowStateKeeper = require('electron-window-state')

const path = require('path')
const url = require('url')
const gotTheLock = app.requestSingleInstanceLock()

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow

const template = [
  {
    label: 'Edit',
    submenu: [
      {role: 'undo'},
      {role: 'redo'},
      {type: 'separator'},
      {role: 'cut'},
      {role: 'copy'},
      {role: 'paste'},
      {role: 'pasteandmatchstyle'},
      {role: 'delete'},
      {role: 'selectall'}
    ]
  },
  {
    label: 'View',
    submenu: [
      {role: 'resetzoom'},
      {role: 'zoomin'},
      {role: 'zoomout'},
      {type: 'separator'},
      {role: 'togglefullscreen'}
    ]
  },
  {
    role: 'window',
    submenu: [
      {role: 'minimize'},
      {role: 'close'}
    ]
  }
]

if (process.platform === 'darwin') {
  template.unshift({
    label: 'PIA',
    submenu: [
      {role: 'hide'},
      {role: 'hideothers'},
      {role: 'unhide'},
      {type: 'separator'},
      {role: 'quit'}
    ]
  })

  // Edit menu
  template[1].submenu.push(
    {type: 'separator'},
    {
      label: 'Speech',
      submenu: [
        {role: 'startspeaking'},
        {role: 'stopspeaking'}
      ]
    }
  )

  // Window menu
  template[3].submenu = [
    {role: 'close'},
    {role: 'minimize'},
    {role: 'zoom'},
    {type: 'separator'},
    {role: 'front'}
  ]
}

const menu = electron.Menu.buildFromTemplate(template)



function createWindow() {
  let winState = windowStateKeeper({
    defaultWidth: 900,
    defaultHeight: 600
  })

  electron.Menu.setApplicationMenu(menu)

  // Create the browser window.
  mainWindow = new BrowserWindow({
    width: winState.width,
    height: winState.height,
    x: winState.x,
    y: winState.y,
    minWidth: 900,
    minHeight: 600,
    alwaysOnTop: false,
    fullscreen: false,
    kiosk: false,
    icon: `$(__dirname)/icons/64x64.png`,
    webPreferences: {
      nodeIntegration: false, plugins: true
    }
  })

  winState.manage(mainWindow)

  // and load the index.html of the app.
  mainWindow.loadURL(url.format({
    pathname: path.join(__dirname, 'dist', 'pia', 'index.html'),
    protocol: 'file:',
    slashes: true
  }))

  // Open the DevTools.
  // mainWindow.webContents.openDevTools()

  // Emitted when the window is closed.
  mainWindow.on('closed', function () {
    // Dereference the window object, usually you would store windows
    // in an array if your app supports multi windows, this is the time
    // when you should delete the corresponding element.
    mainWindow = null
  })

  mainWindow.webContents.on('new-window', function(e, url) {
    e.preventDefault();
    require('electron').shell.openExternal(url);
  });

  setTimeout(updater.check, 2000);
}

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.on('ready', createWindow)

  // Quit when all windows are closed.
  app.on('window-all-closed', function () {
    // On OS X it is common for applications and their menu bar
    // to stay active until the user quits explicitly with Cmd + Q
    if (process.platform !== 'darwin') {
      app.quit()
    }
  })

  app.on('activate', function () {
    // On OS X 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 (mainWindow === null) {
      createWindow()
    }
  })

  // 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.
}