electron/docs/fiddles/menus/tray-menu/main.js

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const { app, BrowserWindow, Menu, Tray } = require('electron/main')
const { nativeImage } = require('electron/common')
// save a reference to the Tray object globally to avoid garbage collection
let tray = null
function createWindow () {
const mainWindow = new BrowserWindow()
mainWindow.loadFile('index.html')
}
// The Tray object can only be instantiated after the 'ready' event is fired
app.whenReady().then(() => {
createWindow()
const red = nativeImage.createFromDataURL('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAACTSURBVHgBpZKBCYAgEEV/TeAIjuIIbdQIuUGt0CS1gW1iZ2jIVaTnhw+Cvs8/OYDJA4Y8kR3ZR2/kmazxJbpUEfQ/Dm/UG7wVwHkjlQdMFfDdJMFaACebnjJGyDWgcnZu1/lrCrl6NCoEHJBrDwEr5NrT6ko/UV8xdLAC2N49mlc5CylpYh8wCwqrvbBGLoKGvz8Bfq0QPWEUo/EAAAAASUVORK5CYII=')
const green = nativeImage.createFromDataURL('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAACOSURBVHgBpZLRDYAgEEOrEzgCozCCGzkCbKArOIlugJvgoRAUNcLRpvGH19TkgFQWkqIohhK8UEaKwKcsOg/+WR1vX+AlA74u6q4FqgCOSzwsGHCwbKliAF89Cv89tWmOT4VaVMoVbOBrdQUz+FrD6XItzh4LzYB1HFJ9yrEkZ4l+wvcid9pTssh4UKbPd+4vED2Nd54iAAAAAElFTkSuQmCC')
tray = new Tray(red)
tray.setToolTip('Tray Icon Demo')
const contextMenu = Menu.buildFromTemplate([
{
label: 'Open App',
click: () => {
const wins = BrowserWindow.getAllWindows()
if (wins.length === 0) {
createWindow()
} else {
wins[0].focus()
}
}
},
{
label: 'Set Green Icon',
type: 'checkbox',
click: ({ checked }) => {
checked ? tray.setImage(green) : tray.setImage(red)
}
},
{
label: 'Set Title',
type: 'checkbox',
click: ({ checked }) => {
checked ? tray.setTitle('Title') : tray.setTitle('')
}
},
{ role: 'quit' }
])
tray.setContextMenu(contextMenu)
})
app.on('window-all-closed', function () {
// This will prevent the app from closing when windows close
})
app.on('activate', function () {
if (BrowserWindow.getAllWindows().length === 0) createWindow()
})