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@terry2010
Created June 27, 2022 03:42
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bug-electron-setAlwaysOnTop
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'">
<link href="./styles.css" rel="stylesheet">
<title>Hello World!</title>
</head>
<body>
<h1>Hello World!</h1>
We are using Node.js <span id="node-version"></span>,
Chromium <span id="chrome-version"></span>,
and Electron <span id="electron-version"></span>.
<div id="test-message" style="color:red;size:16px"></div>
<!-- You can also require other files to run in this process -->
<script src="./renderer.js"></script>
</body>
</html>
// Modules to control application life and create native browser window
const { app, BrowserWindow } = require('electron')
const path = require('path')
function createWindow() {
// Create the browser window.
const mainWindow = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
preload: path.join(__dirname, 'preload.js')
}
})
// and load the index.html of the app.
mainWindow.loadFile('index.html')
mainWindow.webContents.on('dom-ready', () => {
mainWindow.webContents.executeJavaScript(`
document.querySelector('#test-message').innerHTML = "click any other windows to hide this electron window Now,this window will setAlwaysOnTop(true) in 3 seconds"
`)
setTimeout(() => {
mainWindow.setAlwaysOnTop(true)
mainWindow.webContents.executeJavaScript(`
document.querySelector('#test-message').innerHTML = ""
document.querySelector('#test-message').innerHTML = "run : mainWindow.setAlwaysOnTop(true)"
`)
}, 3000)
setTimeout(() => {
mainWindow.setAlwaysOnTop(false)
mainWindow.webContents.executeJavaScript(`
document.querySelector('#test-message').innerHTML = "run :mainWindow.setAlwaysOnTop(false)"
`)
}, 4000)
})
// 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.whenReady().then(() => {
createWindow()
app.on('activate', function () {
// 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 (BrowserWindow.getAllWindows().length === 0) createWindow()
})
})
// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', function () {
if (process.platform !== 'darwin') app.quit()
})
// 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.
{
"name": "nondescript-clover-tease-19fif",
"productName": "nondescript-clover-tease-19fif",
"description": "My Electron application description",
"keywords": [],
"main": "./main.js",
"version": "1.0.0",
"author": "terry",
"scripts": {
"start": "electron ."
},
"dependencies": {
"electron-nightly": "20.0.0-nightly.20220513"
},
"devDependencies": {
"electron": "19.0.6"
}
}
// All of the Node.js APIs are available in the preload process.
// It has the same sandbox as a Chrome extension.
window.addEventListener('DOMContentLoaded', () => {
const replaceText = (selector, text) => {
const element = document.getElementById(selector)
if (element) element.innerText = text
}
for (const type of ['chrome', 'node', 'electron']) {
replaceText(`${type}-version`, process.versions[type])
}
})
// This file is required by the index.html file and will
// be executed in the renderer process for that window.
// No Node.js APIs are available in this process because
// `nodeIntegration` is turned off. Use `preload.js` to
// selectively enable features needed in the rendering
// process.
/* styles.css */
/* Add styles here to customize the appearance of your app */
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