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main.js
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main.js
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const electron = require('electron');
// Module to control application life.
const app = electron.app;
// Module to create native browser window.
const BrowserWindow = electron.BrowserWindow;
const path = require('path');
const url = require('url');
const debug = /--debug/.test(process.argv[2]);
// 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 loopWindow;
function createWindow () {
const displays = electron.screen.getAllDisplays();
for (let di in displays) {
displays[di].diff = Math.abs(displays[di].bounds.height / displays[di].bounds.width - .5625);
displays[di].diff += Math.abs(displays[di].bounds.height-1080) * .1;
}
const displayToShowOn = displays.sort(function(a, b) {
if (a.diff < b.diff) return -1;
if (a.diff > b.diff) return 1;
return 0;
})[0];
const appIcon = path.join(__dirname, 'assets/icons/icon.ico');
loopWindow = new BrowserWindow({
x: displayToShowOn.bounds.x + 50,
y: displayToShowOn.bounds.y + 50,
kiosk: true,
show: false,
backgroundColor:'#000000',
minimizable: false,
icon: appIcon,
webPreferences: {
nodeIntegration: true, // TODO this is hypothetically insecure.
contextIsolation: false,
}
});
loopWindow.setMenu(null);
loopWindow.once('ready-to-show', () => {
loopWindow.show()
});
loopWindow.loadURL(url.format({
pathname: path.join(__dirname, 'index.html'),
protocol: 'file:',
slashes: true
}));
// Emitted when the window is closed.
loopWindow.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.
loopWindow = null
});
// Open the DevTools.
if (debug)
loopWindow.webContents.openDevTools();
}
// 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()
}
});
///
// The connection to the updating module:
require('update-electron-app')({notifyUser: false})
// An event handler to restart when there's an update downloaded:
electron.autoUpdater.on('update-downloaded', (event, releaseNotes, releaseName) => {
// update and restart app
const { app, autoUpdater, dialog } = require('electron');
const server = 'https://update.electronjs.org'
const url = `${server}/update/${process.platform}/${app.getVersion()}`
autoUpdater.setFeedURL({ url })
setInterval(() => {
autoUpdater.checkForUpdates()
}, 10 * 60 * 1000)
//Show the message prompt dialogue:
autoUpdater.on('update-downloaded', (event, releaseNotes, releaseName) => {
console.info('An update has been downloaded. The application will be restarted to install the update momentarily');
setTimeout(autoUpdater.quitAndInstall, 5000);
})
autoUpdater.on('error', message => {
console.error('There was a problem updating the application')
console.error(message)
})
})
// 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.