electron/docs/fiddles/features/progress-bar/main.js

48 lines
1 KiB
JavaScript

const { app, BrowserWindow } = require('electron/main')
let progressInterval
function createWindow () {
const win = new BrowserWindow({
width: 800,
height: 600
})
win.loadFile('index.html')
const INCREMENT = 0.03
const INTERVAL_DELAY = 100 // ms
let c = 0
progressInterval = setInterval(() => {
// update progress bar to next value
// values between 0 and 1 will show progress, >1 will show indeterminate or stick at 100%
win.setProgressBar(c)
// increment or reset progress bar
if (c < 2) {
c += INCREMENT
} else {
c = (-INCREMENT * 5) // reset to a bit less than 0 to show reset state
}
}, INTERVAL_DELAY)
}
app.whenReady().then(createWindow)
// before the app is terminated, clear both timers
app.on('before-quit', () => {
clearInterval(progressInterval)
})
app.on('window-all-closed', () => {
if (process.platform !== 'darwin') {
app.quit()
}
})
app.on('activate', () => {
if (BrowserWindow.getAllWindows().length === 0) {
createWindow()
}
})