/* jshint esversion: 6 */
 
const electron = require('electron');
// Module to control application life.
const app = electron.app;
// Module to create native browser window.
const BrowserWindow = electron.BrowserWindow;
// const newWindowBtn = document.getElementById('frameless-window')
 
const path = require('path');
const url = require('url');
// 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;
 
function createWindow() {
  // 创建一个窗口，大小 800 * 600
  mainWindow = new BrowserWindow({
    width: 800,
    height: 600
  });
 
  // 在窗口内要展示的内容为 ./dist/index.html，即打包生成的index.html
  mainWindow.loadURL(url.format({
    pathname: path.join(__dirname, './dist', 'index.html'),
    protocol: 'file:',
    slashes: true
  }));
 
  // 自动打开调试台
  mainWindow.webContents.openDevTools({
    detach: 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.
    // 回收BrowserWindow对象
    mainWindow = null;
  });
}
 
// 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.