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@ahkohd
Created April 30, 2020 20:43
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Electron Fiddle Gist
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Hello World!</title>
<link rel="stylesheet" type="text/css" href="./styles.css">
</head>
<body>
<h1>Fade In/Out Window Example</h1>
<div>
<button id="fade-in-out">Fade Out / In</button>
</div>
<script>
// You can also require other files to run in this process
require('./renderer.js')
</script>
</body>
</html>
// Modules to control application life and create native browser window
const {app, BrowserWindow} = require('electron')
function createWindow () {
// Create the browser window.
const mainWindow = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
nodeIntegration: true
}
})
// and load the index.html of the app.
mainWindow.loadFile('index.html')
// Open the DevTools.
// mainWindow.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 (BrowserWindow.getAllWindows().length === 0) {
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.
const remote = require('electron').remote
const fadeWindowOut = (
_window,
step = 0.1,
fadeEveryXSeconds = 10
) => {
let opacity = _window.getOpacity();
const interval = setInterval(() => {
if (opacity <= 0) window.clearInterval(interval);
_window.setOpacity(opacity);
opacity -= step;
}, fadeEveryXSeconds);
return interval;
}
const fadeWindowIn = (
_window,
step = 0.1,
fadeEveryXSeconds = 10
) => {
let opacity = _window.getOpacity();
const interval = setInterval(() => {
if (opacity >= 1) window.clearInterval(interval);
_window.setOpacity(opacity);
opacity += step;
}, fadeEveryXSeconds);
return interval;
}
document.getElementById('fade-in-out').onclick = () => {
// fade out this window...
fadeWindowOut(remote.getCurrentWindow(), 0.1, 2);
// 1000 miliseconds later, fade it in...
setTimeout(() => fadeWindowIn(remote.getCurrentWindow(), 0.1, 2), 1000)
}
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