2021-03-21 18:04:15 +01:00
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'use strict';
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2021-05-27 16:48:24 +02:00
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const audioPlayer = new Audio();
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let selectedItem = 0;
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let playingItem = 0;
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let playerState = 'idle';
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let continuous = true;
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let repeat = false;
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let total = 0;
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let onlyDirs = true;
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2021-03-21 18:04:15 +01:00
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const handleKeyEvent = (event) => {
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2021-05-27 16:48:24 +02:00
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if (event.ctrlKey === true || event.altKey === true || event.metaKey === true) return;
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event.preventDefault();
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event.stopPropagation();
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switch (event.key) {
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case ' ':
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case 'p':
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if (onlyDirs !== false) return;
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if (playerState === 'idle' && total !== 0) {
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if (document.getElementById(playingItem).classList.contains('dir')) {
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return nextTrack();
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}
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playSong(playingItem)
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} else {
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togglePlayback();
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}
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break;
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2021-05-31 14:23:09 +02:00
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case '>':
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nextTrack();
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break;
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case '<':
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previousTrack();
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break;
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2021-05-27 16:48:24 +02:00
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case 'r':
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toggleRepeat();
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break;
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case 'c':
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toggleContinue();
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break;
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case 'ArrowUp':
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selectPreviousItem();
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break;
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case 'ArrowDown':
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selectNextItem();
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break;
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case 'ArrowLeft':
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if (audioPlayer.currentTime < 10) {
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audioPlayer.currentTime = 0;
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} else {
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audioPlayer.currentTime = audioPlayer.currentTime - 10;
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}
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break;
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case 'ArrowRight':
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audioPlayer.currentTime = audioPlayer.currentTime + 10;
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break;
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case 'Enter':
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2021-05-27 16:56:56 +02:00
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if (document.activeElement.href) {
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document.activeElement.click();
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} else {
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document.getElementById(selectedItem).click();
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}
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2021-05-27 16:48:24 +02:00
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break;
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case 'Escape':
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document.getElementById('back').click();
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break;
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case '0':
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '6':
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case '7':
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case '8':
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case '9':
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audioPlayer.currentTime = audioPlayer.duration / 100 * (event.key * 10);
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break;
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}
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2021-03-05 20:59:37 +01:00
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};
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2019-05-11 23:23:27 +02:00
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2021-03-21 18:04:15 +01:00
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const initState = () => {
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2021-05-27 16:48:24 +02:00
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const dirElements = document.querySelectorAll('.dir');
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const fileElements = document.querySelectorAll('.file');
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let id = 0;
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document.getElementById('state').addEventListener('click', togglePlayback)
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document.getElementById('repeatButton').addEventListener('click', toggleRepeat)
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document.getElementById('continuousButton').addEventListener('click', toggleContinue)
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audioPlayer.addEventListener('canplay', () => {
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audioPlayer.play();
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});
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audioPlayer.addEventListener('play', () => {
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setPlayerState('playing');
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});
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audioPlayer.addEventListener('pause', () => {
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setPlayerState('paused');
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});
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audioPlayer.addEventListener('error', () => {
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setPlayerState('error loading track');
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});
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audioPlayer.addEventListener('ended', () => {
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setPlayerState('idle');
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nextTrack();
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});
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audioPlayer.addEventListener('timeupdate', () => {
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updatePlayerState();
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});
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dirElements.forEach((element) => {
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element.id = id++;
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});
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fileElements.forEach((element) => {
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element.id = id++;
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onlyDirs = false;
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element.addEventListener('click', (event) => {
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event.preventDefault();
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event.stopPropagation();
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playSong(event.target.id);
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});
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});
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total = id;
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updatePlayerState();
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updateButtonState();
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2019-05-11 23:23:27 +02:00
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}
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2021-03-21 18:04:15 +01:00
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const setPlayerState = (state) => {
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2021-05-27 16:48:24 +02:00
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playerState = state;
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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console.log('now in state: ' + state);
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updatePlayerState();
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2019-05-11 23:23:27 +02:00
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}
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2021-03-21 18:04:15 +01:00
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const updatePlayerState = () => {
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2021-05-27 16:48:24 +02:00
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let statestr = '[' + playerState;
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2019-05-11 23:23:27 +02:00
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2021-05-27 16:48:24 +02:00
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if (!audioPlayer.paused) {
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statestr += ' ' + formatTime(audioPlayer.currentTime) + '/' + formatTime(audioPlayer.duration);
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}
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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statestr += ']';
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document.getElementById('state').innerHTML = statestr;
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2019-05-11 23:23:27 +02:00
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}
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2021-03-21 18:04:15 +01:00
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const updateButtonState = () => {
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2021-05-27 16:48:24 +02:00
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if (repeat !== false) {
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document.getElementById('repeatButton').classList.add('active');
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} else {
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document.getElementById('repeatButton').classList.remove('active');
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}
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if (continuous !== false) {
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document.getElementById('continuousButton').classList.add('active');
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} else {
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document.getElementById('continuousButton').classList.remove('active');
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}
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2019-05-11 23:23:27 +02:00
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}
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2021-03-21 18:04:15 +01:00
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const playSong = (id) => {
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2021-05-27 16:48:24 +02:00
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const element = document.getElementById(id);
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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if (element === null) return;
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if (element.classList.contains('dir')) return;
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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if (document.getElementsByClassName('playing').length > 0) {
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document.getElementsByClassName('playing')[0].classList.remove('playing');
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}
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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if (document.getElementsByClassName('selected').length > 0) {
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document.getElementsByClassName('selected')[0].classList.remove('selected');
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}
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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audioPlayer.pause()
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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playingItem = element.id;
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element.classList.add('playing');
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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audioPlayer.src = element.href;
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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setPlayerState('loading');
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audioPlayer.load();
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2019-05-11 23:23:27 +02:00
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}
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2021-03-21 18:04:15 +01:00
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const togglePlayback = () => {
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2021-05-27 16:48:24 +02:00
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if (audioPlayer.paused) {
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audioPlayer.play();
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} else {
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audioPlayer.pause();
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}
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2019-05-11 23:23:27 +02:00
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}
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2021-03-21 18:04:15 +01:00
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const toggleRepeat = () => {
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2021-05-27 16:48:24 +02:00
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repeat = !repeat;
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continuous = !repeat;
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audioPlayer.loop = repeat;
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updateButtonState();
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2019-05-11 23:23:27 +02:00
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}
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2021-03-21 18:04:15 +01:00
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const toggleContinue = () => {
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2021-05-27 16:48:24 +02:00
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continuous = !continuous;
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updateButtonState();
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2021-03-05 23:10:43 +01:00
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}
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2021-03-21 18:04:15 +01:00
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const previousTrack = () => {
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2021-05-27 16:48:24 +02:00
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if (!continuous) return;
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if (playingItem-- === 0) playingItem = total - 1;
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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if (document.getElementById(playingItem).classList.contains('dir')) {
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return previousTrack();
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}
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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playSong(playingItem);
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2019-05-11 23:23:27 +02:00
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}
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2021-03-21 18:04:15 +01:00
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const nextTrack = () => {
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2021-05-27 16:48:24 +02:00
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if (!continuous) return;
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if (++playingItem === total) playingItem = 0;
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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if (document.getElementById(playingItem).classList.contains('dir')) {
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return nextTrack();
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}
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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playSong(playingItem);
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2021-03-21 18:04:15 +01:00
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}
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const selectPreviousItem = () => {
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2021-05-27 16:48:24 +02:00
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if (selectedItem-- === 0) selectedItem = total - 1;
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updateSelectedItem();
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2021-03-06 14:47:36 +01:00
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}
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2021-03-21 18:04:15 +01:00
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const selectNextItem = () => {
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2021-05-27 16:48:24 +02:00
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if (selectedItem === 0 && document.getElementsByClassName('selected').length === 0) {
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document.getElementById(selectedItem).classList.add('selected');
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} else {
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if (++selectedItem === total) selectedItem = 0;
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updateSelectedItem();
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}
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2021-03-21 18:04:15 +01:00
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}
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const updateSelectedItem = () => {
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2021-05-27 16:48:24 +02:00
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if (document.getElementsByClassName('selected').length > 0) {
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document.getElementsByClassName('selected')[0].classList.remove('selected');
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}
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2021-03-21 18:04:15 +01:00
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2021-05-27 16:48:24 +02:00
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document.getElementById(selectedItem).classList.add('selected');
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2021-03-21 18:04:15 +01:00
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}
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const formatTime = (secs) => {
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2021-05-27 16:48:24 +02:00
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secs = Math.round(secs);
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const minutes = Math.floor(secs / 60) || 0;
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const seconds = (secs - minutes * 60) || 0;
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return minutes + ':' + (seconds < 10 ? '0' : '') + seconds;
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2021-03-21 18:04:15 +01:00
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}
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document.addEventListener('DOMContentLoaded', initState);
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document.addEventListener('keydown', handleKeyEvent);
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