memex/main.js

const {app, BrowserWindow, webFrame, Menu} = require('electron')
const path = require('path')
const url = require('url')
const shell = require('electron').shell;
const fs = require('fs');
const { ipcMain } = require('electron');

let is_shown = true;

this.handleRedirect = (e, url) => 
{
  if(url != app.win.webContents.getURL())
  {
    e.preventDefault()
    require('electron').shell.openExternal(url)
  }
}

app.inspect = function()
{
  app.win.toggleDevTools();
}

app.toggle_fullscreen = function()
{
  app.win.setFullScreen(app.win.isFullScreen() ? false : true);
}

app.toggle_visible = function()
{
  if(process.platform == "win32"){
    if(!app.win.isMinimized()){ app.win.minimize(); } else{ app.win.restore(); }
  } else {
    if(is_shown){ app.win.hide(); } else{ app.win.show(); }
  }
}

app.inject_menu = function(m)
{
  Menu.setApplicationMenu(Menu.buildFromTemplate(m));
}

app.path = function()
{
  return __dirname
}

app.win = null;

app.on('ready', () => 
{
  app.win = new BrowserWindow({
    webPreferences: {
      nodeIntegration: true
    }, width: 950, height: 950, backgroundColor:"#ddd", minWidth: 587, minHeight: 540, frame:true, autoHideMenuBar: true, icon: __dirname + '/icon.ico'})

  app.win.loadURL(`file://${__dirname}/docs/index.html`);
  // app.win.toggleDevTools();
  
  app.win.on('closed', () => {
    win = null
    app.quit()
  })

  app.win.on('hide',function() {
    is_shown = false;
  })

  app.win.on('show',function() {
    is_shown = true;
  })

  // app.win.webContents.on('new-window', function(event, url){
  //   event.preventDefault();
  //   // open(url);
  //   console.log('CALLED NEW WIN');
  //   child_process.execSync('start ' + url)
  // })

  app.win.webContents.on('will-navigate', this.handleRedirect)
  app.win.webContents.on('new-window', this.handleRedirect)
})

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

app.on('activate', () => {
  if (app.win === null) {
    createWindow()
  }
})

ipcMain.on('write', (event, arg) => 
{
    console.log('Write called! Entry = ' + arg);

    let foo = fs.openSync('foo.txt','r+');
    let buf = new Buffer(arg);
    fs.writeSync(foo, buf, 0, buf.length, 5);
    fs.close(foo);
});