app.js
const { app, BrowserWindow, ipcMain } = require('electron');
const path = require('node:path');
const fs = require('fs');
const createWindow = () => {
const win = new BrowserWindow({
width: 800,
height: 600,
webPreferences: {
preload: path.join(__dirname, '/preload.js')
}
})
win.loadFile('index.html');
}
app.whenReady().then(() => {
createWindow()
app.on('activate', () => {
if (BrowserWindow.getAllWindows().length === 0) {
createWindow()
}
})
})
app.on('window-all-closed', () => {
if (process.platform !== 'darwin') {
app.quit()
}
})
ipcMain.handle('get-dir', (event, dirPath) => {
const dir = fs.readdirSync(dirPath, { withFileTypes: true });
return dir;
})
ipcMain.handle('get-file', (event, arr) => {
const file = fs.readdirSync(arr[0] + arr[1]);
return file;
})
index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<meta http-equiv="Content-Security-Policy" content="default-src 'self'; script-src 'self'"/>
<script src="./script.js"></script>
<link rel="stylesheet" href="./css/style.css">
<title>Hello Electron</title>
</head>
<body>
<h1>Audio Player</h1>
<p><button type="button" id="start">start</button></p>
<p><button type="button" id="stop">stop</button></p>
<p><button type="button" id="cont">continue</button></p>
<p><input type="range" name="volume" id="volume" min="0.0" max="1.0" value="0.5" step=".1"><span id="volume-view"></span></p>
<p><button type="button" id="reset">reset</button></p>
<div id="dir">
<ul id="dir-target">
</ul>
</div>
<div id="file">
<ul id="file-target">
</ul>
</div>
</body>
</html>
preload.js
const { contextBridge, ipcRenderer } = require('electron');
function checkCheckBox(filesName){
let arr = [];
for(let i = 0; i < filesName.length; i++){
if(filesName[i].checked) {
arr.push(filesName[i].value);
}
};
return arr;
}
function checkedRadio(){
const dirName = document.getElementsByName('dir');
const len = dirName.length;
let checkValue = '';
for (let i = 0; i < len; i++){
if (dirName.item(i).checked){
checkValue = dirName.item(i).value;
}
}
return checkValue;
}
function resetCheckBox(filesName){
for(let i of filesName){
i.checked = false;
}
}
contextBridge.exposeInMainWorld('myApi', {
setup: async ()=>{
const file = document.getElementById('file');
const dirPath = "./audio/";
const start = document.getElementById('start');
const stop = document.getElementById('stop');
const cont = document.getElementById('cont');
const volume_view = document.getElementById('volume-view');
const volumeBar = document.getElementById('volume')
const filesName = document.getElementsByName('file');
const reset = document.getElementById('reset');
const fileTarget = document.getElementById('file-target');
const allDirents = await ipcRenderer.invoke('get-dir', dirPath);
const audio = new Audio();
audio.volume = volumeBar.value;
volume_view.innerHTML = volumeBar.value * 10;
for(let i of allDirents){
document.getElementById('dir-target').innerHTML += `<li><label for="${i["name"]}"><input type="radio" name="dir" id="${i["name"]}" value="${i["name"]}">${i["name"]}</label></li>`;
}
const dirAll = document.querySelectorAll("input[name='dir']");
for(let element of dirAll) {
element.addEventListener('change', async function(){
if( this.checked ) {
fileTarget.innerHTML = "";
const files = await ipcRenderer.invoke('get-file', [dirPath, this.value]);
for(let i of files){
fileTarget.innerHTML += `<li><label for="${i}"><input type="checkbox" name="file" id="${i}" value="${i}">${i}</label></li>`;
}
}
});
}
start.addEventListener('click', function(){
let arr = checkCheckBox(filesName);
let checkValue = checkedRadio();
(async function(){
for(let i of arr){
await new Promise((resolve) => {
audio.src = `${dirPath}${checkValue}/${i}`;
audio.play();
audio.addEventListener('ended',() => {
resolve();
});
});
}
})();
});
volumeBar.addEventListener('input', (e) => {
audio.volume = e.target.value;
volume_view.innerHTML = audio.volume * 10;
});
stop.addEventListener('click', function(){
if(!audio.paused) {
audio.pause();
}
});
cont.addEventListener('click', function(){
audio.play();
});
reset.addEventListener('click', function(){
audio.pause();
audio.src = "";
resetCheckBox(filesName);
});
},
})
