main.js

const exec = require("child_process").execSync;
const { app, BrowserWindow, ipcMain } = require("electron");
const { logger, rendererLogger } = require("./js/logger");
const telebot = require("./js/bot");
const imagewatcher = require("./js/imageWatchdog");
const inputhandler = require("./js/inputHandler");
const voicerecorder = require("./js/voiceRecorder");
const schedules = require("./js/schedules");
const CommandExecutor = require("./js/systemCommands");
const {config, screen} = require("./js/configuration");
const initAddonInterface = require('./js/addonInterface').initAddonInterface;

logger.info("Configuring for: " +  screen.name);

//create global variables
global.config = config;
global.screen = screen;
global.rendererLogger = rendererLogger;
global.images = [];


logger.info("Main app started ...");

// switch off the LEDs
if(config.switchLedsOff){
   exec("sudo sh -c 'echo 0 > /sys/class/leds/led0/brightness'", { encoding: 'utf-8' });
   exec("sudo sh -c 'echo 0 > /sys/class/leds/led1/brightness'", { encoding: 'utf-8' });
}

app.commandLine.appendSwitch("autoplay-policy", "no-user-gesture-required");
// 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 win;

function createWindow() {
  // Create the browser window.
  win = new BrowserWindow({
    width: 1024,
    height: 600,
    webPreferences: {
      nodeIntegration: true,
      enableRemoteModule: true
    },
  });

  win.setFullScreen(config.fullscreen);
  // and load the index.html of the app.
  win.loadFile("index.html");

  // get instance of webContents for sending messages to the frontend
  const emitter = win.webContents;

  // initialize the addon handler
  const addonInterface = initAddonInterface(global.images, logger, emitter, ipcMain, config);

  // create imageWatchdog and bot
  var imageWatchdog = new imagewatcher(
    config.imageFolder,
    config.imageCount,
    config.autoDeleteImages,
    global.images,
    emitter,
    logger,
    ipcMain,
    // load addons
    addonInterface
  );
  imageWatchdog.init()

  var bot = null;
  if (config.botToken !== 'bot-disabled') {
    bot = new telebot(
      imageWatchdog,
      logger,
      config
    );
  }

  var inputHandler = new inputhandler(config, emitter, bot, logger);
  inputHandler.init();

  var commandExecutor = new CommandExecutor(emitter, logger, ipcMain);
  commandExecutor.init();

  if (config.voiceReply !== null) {
    var voiceReply = new voicerecorder(config, emitter, bot, logger, ipcMain, addonInterface);
    voiceReply.init();
  }

  // generate scheduler, when times for turning monitor off and on
  // are given in the config file
  var scheduler = new schedules(config, screen, logger, addonInterface);


  // Open the DevTools.
  if (config.develop) {
    win.webContents.openDevTools()
  }

  if (config.botToken !== 'bot-disabled') {
    bot.startBot();
  }

  addonInterface.executeEventCallbacks('teleFrame-ready', {
    config: config,
    screen: screen,
    imageWatchdog: imageWatchdog,
    bot: bot,
    voiceReply: voiceReply,
    scheduler: scheduler
  });

  // Emitted when the window is closed.
  win.on("closed", () => {
    // 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.
    win = 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", () => {
  // On macOS 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", () => {
  // 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 (win === 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.