main.js

var electron = require('electron');
var dbus = require('dbus-native');
var sessionBus = dbus.sessionBus();
var app = electron.app;  // Module to control application life.
var BrowserWindow = electron.BrowserWindow;  // Module to create native browser window.
var globalShortcut = electron.globalShortcut;
const flashLoader = require('flash-player-loader');

for(const path of require('./pepper-paths.json')) {
  flashLoader.addSource(path);
}
flashLoader.load();

// 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.
var mainWindow = null;

// Quit when all windows are closed.
app.on('window-all-closed', function() {
  // don't quit until user explicitly asks for it
  app.quit();
});

if(!app.requestSingleInstanceLock()) {
  // We failed to get the single instance lock, so another instance is running
  console.log("TIDAL is already running, focusing it");
  app.quit();
}

app.on('second-instance', (commandLine, workingDirectory) => {
  // Someone tried to run a second instance, we should focus our window
  if (mainWindow) {
    if (mainWindow.isMinimized()) { mainWindow.restore(); }
    mainWindow.focus();
  }
  return true;
});

app.on('ready', function() {
  // Create the browser window.
  mainWindow = new BrowserWindow({
    width: 1200,
    height: 800,
    frame: true,
    icon: __dirname + "/icon.png",
    autoHideMenuBar: true,
    darkTheme: true,
    plugin:true,
    webPreferences: {
        plugins: true
    }
  });

  // and load the index.html of the app.
  mainWindow.loadURL('file://' + __dirname + '/index.html', {userAgent: "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36"});

  // Emitted when the window is closed.
  mainWindow.on('closed', function() {
    mainWindow = null;
  });

  console.log("APP READY")

  // update window title from webview
  electron.ipcMain.on("title", function(e, arg) {
    mainWindow.setTitle(arg);
  })

  try{
    // handle media keys (only works on GNOME, where it didn't before)
    sessionBus.getService("org.gnome.SettingsDaemon").getInterface("/org/gnome/SettingsDaemon/MediaKeys", "org.gnome.SettingsDaemon.MediaKeys", function(err, interface) {
      if(!err) {
        interface.on("MediaPlayerKeyPressed", (n, keyName) => {
          mainWindow.webContents.send('playback-control', keyName);
        });
        interface.GrabMediaPlayerKeys("tidal-music-player", 0);
      } else {
        console.log("Couldn't grab media keys, this system may be not running GNOME");
      }
    });
  }catch(exception){
    // ignore exception
  }
});