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music.js
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music.js
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var
audio,
base,
cfg = {},
dom,
ls,
url,
currentFilter,
drag,
errorCount = 0,
mode,
onPlaylist,
onSeek,
onScrollWait,
playerheight,
playlistLoaded,
playlists,
retry,
toast,
touch,
track = 0,
tv;
const
def = { 'playlist': [], 'skip': [], 'index': -1 },
shareapi = {},
str = {},
played = [],
playedFiltered = [],
songs = [],
songsFiltered = [],
tree = [],
ADD = 1,
TOG = .1,
REM = 0,
SET = 2;
function init() {
url = document.URL.split('?play=', 2);
if (url[1] && url[1].startsWith('c:')) url[1] = deBase64(url[1].substring(2));
base = window.location.protocol +'//'+ window.location.host + window.location.pathname;
dom = {
'hide': function(el) { dom.show(el, false) },
'show': function(el, show = true) {
if (el.constructor !== Array) el = [el];
for (var i = 0; i < el.length; i++)
cls(dom[el[i]], 'hide', show ? REM : ADD);
}
};
document.querySelectorAll('[id]').forEach(function(el) { dom[el.id] = el });
const lib = document.createElement('script'),
lng = new URLSearchParams(window.location.search).get('lng') || false;
lib.src = 'music.php?'+ (lng ? 'lng='+ lng : '') + (url.length > 1 ? '&play='+ esc(url[1]) : '');
lib.onload = function() {
if (!library) alert(str.nolibrary);
else if (!pathexp) alert(str.nopathexp);
if (pathexp.constructor !== Array) pathexp = [pathexp];
for(var i = 0; i < pathexp.length; i++) {
pathexp[i] = pathexp[i].replace(/[\/^$*+?.()|[\]{}]/g, '\\$&')
.replace(/ /g,'[\\s\\.\\-_]*')
.replace(/dummy/g,'.+')
.replace('artist', '(?<artist>.*\\b)')
.replace('year','(?<year>\\d*)')
.replace('album', '(?<album>.*)')
.replace('track','(?<track>[\\d\\.]*)')
.replace('title', '(?<title>.*)')
.replace('extension', '(?<extension>.*\\b)');
}
prepUI();
buildLibrary('', library, dom.tree);
buildPlaylist();
dom.hide('splash');
dom.show('body');
log(sourceurl, true);
log('Song count: '+ songs.length, true);
log('PHP request = '+ lib.src.replace(/:\/\/.*?:.*?@/, '://'));
if (songs.length == 1) prepSongMode();
if (cfg.autoplay > 1 || cfg.autoplay && url[1]) playPause();
library = null;
};
document.body.appendChild(lib);
}
function lng(el, string, tooltip) {
if (!el) return log('Element '+ el.id +' not found for string: '+ string);
if (tooltip) {
string = string.split('\n');
el.title = string[0] + keyString(el.accessKey)
+ (string[1] ? '\n'+ string[1] + keyString(el.getAttribute('contextkey')) : '')
+ (string[2] ? '\n'+ string[2] : '');
} else {
if (!el.accessKey)
return el.innerHTML = string;
const index = string.toLowerCase().indexOf(el.accessKey);
if (index == -1)
el.innerHTML = string +'<b>'+ el.accessKey +'</b>';
else
el.innerHTML = string.substring(0, Math.max(index, 0)) +'<u>'+ string.substring(index, index + 1) +'</u>'+ string.substring(index + 1);
}
}
function keyString(key) {
if (!key || key == ' ') return '';
key = (key != key.toLowerCase() && !key.match(/F\d/) ? 'Shift+' : '') + key.toUpperCase();
return ' (' + key + ')';
}
function prepUI() {
ls = ls();
dom.source.href = sourceurl;
dom.pagetitle.textContent = pagetitle;
dom.filter.placeholder = str.filter;
dom.doc.className = cfg.theme || def.theme;
dom.volumeslider.max = def.volume;
dom.volumeslider.value = cfg.volume;
if (cfg.debug) cls(dom.debug, 'on', ADD);
if (cfg.enqueue) cls(dom.enqueue, 'on', ADD);
if (cfg.random) cls(dom.random, 'on', ADD);
if (cfg.crossfade) cls(dom.crossfade, 'on', ADD);
if (cfg.locked) {
cls(document.body, 'locked', ADD);
cls(dom.lock, 'on', ADD);
}
lng(dom.lock, cfg.locked ? str.unlock : str.lock);
if (url.length > 1 || !onlinepls) dom.hide(['playlistsdiv', 'playlistsave', 'shareplaylist']);
if (!sharing) dom.hide('share');
if (cfg.after == 'randomfiltered') cfg.after = 'randomlibrary';
cfg.removesongs = false;
if (url.length > 1 && url[1].startsWith('pl:')) {
prepPlaylistMode();
prepPlaylists(mode);
}
ffor(['TV', 'Andr0id', ' OMI/', 'Viera'], function(s) {
if (navigator.userAgent.includes(s))
return (tv = true);
});
window.addEventListener('click', function() { // Try to solve autoplay issues
[0,1].forEach(function(i) {
if (audio[i].src.startsWith('data:'))
audio[i].play();
});
}, { once: true, passive: true });
if ('ontouchstart' in window || navigator.maxTouchPoints > 0 || navigator.msMaxTouchPoints > 0)
touchUI();
window.addEventListener('scroll', function() {
if (onScrollWait) return;
onScrollWait = true;
setTimeout(function() {
fixPlayer();
onScrollWait = false;
}, 400);
}, { passive: true });
document.onvisibilitychange = function() {
if (ls && document.visibilityState == 'hidden') {
localStorage.setItem(lsid, JSON.stringify(cfg));
log('Session saved');
}
}
audio = [prepAudio(0), prepAudio(1)];
if ('mediaSession' in navigator) {
navigator.mediaSession.setActionHandler('play', playPause);
navigator.mediaSession.setActionHandler('pause', playPause);
navigator.mediaSession.setActionHandler('previoustrack', previous);
navigator.mediaSession.setActionHandler('nexttrack', next);
navigator.mediaSession.metadata = new MediaMetadata();
}
if (cfg.instantfilter) {
dom.filter.onchange = null; // Prevent multiple triggers for the same term
dom.filter.oninput = filter; // Gives event as parameter
}
if (window.innerWidth > 360)
cls(dom.library, 'unfold', ADD);
prepHotkeys();
}
function touchUI() {
touch = true;
cls(dom.body, 'touch', ADD);
if (mode) resizePlaylist();
else dom.show('trash');
log('Touch device detected', true);
}
function fixPlayer() {
if (!cls(dom.player, 'fix') && !cls(dom.body, 'dim')
&& window.pageYOffset > 1.5 * dom.player.offsetHeight
&& dom.doc.offsetHeight - dom.player.offsetHeight > window.innerHeight) {
playerheight = dom.player.offsetHeight + parseInt(window.getComputedStyle(dom.player).getPropertyValue('margin-top'));
dom.doc.style.paddingTop = playerheight +'px';
cls(dom.player, 'fix', ADD);
} else if (window.pageYOffset < 1.1 * playerheight) {
dom.doc.style.paddingTop = '';
cls(dom.player, 'fix', REM);
}
}
function ls() {
if (url.length > 1) { // Don't use saved options & playlist when not in main library
def.after = 'playlibrary';
cfg = def;
return false;
}
try {
const sav = localStorage.getItem(lsid);
if (sav != null) {
cfg = JSON.parse(sav) || {};
for (var c in def)
if (typeof cfg[c] === 'undefined' || cfg[c] == null) cfg[c] = def[c];
return true;
}
cfg = def;
const ls = JSON.stringify(cfg);
localStorage.setItem(lsid, ls);
if (localStorage.getItem(lsid) == ls) return true;
log('LocalStorage issue', true);
return false;
} catch(e) {
log(e, true);
cfg = def;
return false;
}
}
function log(s, force = false) {
if (cfg.debug || force) {
if (typeof s === 'string') {
const t = new Date();
s = s.replace(/data\:.*/, '(Autoplay Fix)');
s = String(t.getHours()).padStart(2, '0') +':'+ String(t.getMinutes()).padStart(2, '0') +':'+ String(t.getSeconds()).padStart(2, '0') +' '+ s;
dom.log.value += s +'\n';
}
if (!touch) console.log(s);
}
}
function saveLog() {
const l = new Blob([dom.log.value], { type: 'text/plain', endings: 'native' });
dom.a.href = window.URL.createObjectURL(l);
dom.a.download = pagetitle +"_"+ ~~(new Date()/1000) +'.log';
dom.a.click();
}
function prepPlaylistMode() {
cfg.after = 'stopplayback';
dom.hide(['enqueue', 'playlistload', 'playlistsave', 'playlibrary', 'randomlibrary', 'randomfiltered', 'sharefolder', 'library']);
dom.playlist.style.minHeight = dom.playlist.style.maxHeight = 'unset';
cls(body, 'mode', ADD);
mode = 'playlist';
}
function prepAudio(id) {
const a = new Audio();
a.log = function(msg) {
log(msg +' ['+ id +']: '+ decodeURI(a.src.replace(a.baseURI, '')));
};
a.onloadstart = function() {
a.log('Load started');
};
a.oncanplaythrough = function() {
a.log('Can play through');
a.canplaythrough = true;
};
a.onplay = function() {
a.log('Play');
if (a.src.startsWith('data')) return; // autoplay fix
cls(dom.playpause, 'playing', ADD);
cls(dom.album, 'dim', REM);
cls(dom.title, 'dim', REM);
if (cfg.index != -1) {
cls(dom.playlist.childNodes[cfg.index], 'playing', ADD);
if (!onPlaylist)
dom.playlist.scrollTop = dom.playlist.childNodes[cfg.index > 0 ? cfg.index - 1 : cfg.index].offsetTop - dom.playlist.offsetTop;
}
};
a.onplaying = function() {
a.log('Playing');
}
a.onpause = function(e) {
a.log('Pause');
if (a == audio[track]) {
cls(dom.playpause, 'playing', REM);
cls(dom.album, 'dim', ADD);
cls(dom.title, 'dim', ADD);
}
};
a.onended = function() {
a.log('Ended');
};
a.ontimeupdate = function() {
if (a != audio[track] || a.src.startsWith('data')) return; // Already switched to other track (crossfade) || autoplay fix
if (a.currentTime >= a.duration - cfg.buffersec) return playNext();
if (a.duration > 30 && (a.duration - a.currentTime) < 20) {
if (!audio[+!track].prepped) prepNext();
if (cfg.crossfade && !a.fade && a.duration - a.currentTime < 10) {
a.log('Fade out');
a.fade = setInterval(function() {
a.volume -= a.volume > 0.04 ? 0.04 : a.volume;
if (a.volume == 0) clearInterval(a.fade);
}, 200);
playNext();
}
}
if (!onSeek && document.activeElement != dom.seek) {
dom.time.textContent = timeTxt(~~a.currentTime) +' / '+ timeTxt(~~a.duration);
dom.seek.value = a.duration ? a.currentTime / a.duration : 0;
}
};
a.onerror = function() {
a.log('Error: '+ a.error.code +' '+ a.error.message, true);
if (a.src.startsWith('data')) return; // autoplay fix
dom.playlist.childNodes[cfg.index].setAttribute('error', 1);
errorCount++;
if (errorCount >= maxerrors)
errorCount = 0;
else if (a == audio[track])
playNext();
};
a.onabort = function() {
a.log('Aborted (user aborted download or error occurred)');
}
a.onstalled = function() {
a.log('Stalled (media not available)');
}
a.onsuspend = function() {
a.log('Suspended (download completed, or media has been paused)');
}
a.onwaiting = function() {
a.log('Waiting (need to buffer)');
}
a.src = "data:audio/wav;base64,UklGRiYAAABXQVZFZm10IBAAAAABAAEAQB8AAEAfAAABAAgAZGF0YQIAAACAgA==";
a.autoplay = true;
a.preload = 'auto';
a.load();
return a;
}
function buildLibrary(root, folder, element) {
var li, i, f, cover = false;
for (i in folder) {
if (i != '/') { // Subfolder
li = document.createElement('li');
cls(li, 'folder', ADD);
li.path = root + i;
li.textContent = i;
li.tabIndex = 1;
tree.push(li);
element.appendChild(li);
const ul = li.appendChild(document.createElement('ul'));
buildLibrary(root + i +'/', folder[i], ul);
} else {
for (f in folder[i]) {
ffor(ext_images, function(ext) {
const flc = f.toLowerCase();
if (flc.endsWith('.'+ ext)) {
if (!cover || flc.startsWith('cover') || flc.startsWith('folder'))
cover = f;
delete(folder[i][f]);
return true;
}
});
}
for (f in folder[i]) {
li = document.createElement('li');
li.id = songs.length;
cls(li, 'song', ADD);
li.path = root + f;
if (cover) li.cover = cover;
li.textContent = f.substring(f.lastIndexOf('/') + 1, f.lastIndexOf('.'));
li.tabIndex = 1;
tree.push(li);
songs.push(li);
element.appendChild(li);
}
}
}
}
function reloadLibrary() {
if (cfg.locked) return;
if (!confirm(str.reloadlibrary)) return;
dom.tree.innerHTML = '',
tree.length = songs.length = 0;
const lib = document.createElement('script');
lib.src = 'music.php'+ (url.length > 1 ? '?play='+ esc(url[1]) +'&' : '?') +'reload';
lib.onload = function() {
buildLibrary('', library, dom.tree);
clearPlayed('reload');
library = null;
if (dom.filter.value.length)
filter();
if (cfg.after == 'randomfiltered')
buildFilteredLibrary(dom.randomfiltered.firstElementChild.textContent.trim());
}
document.body.appendChild(lib);
}
function prepSongMode() {
prepPlaylistMode();
add(0);
dom.hide(['previous', 'next', 'options', 'playlistdiv']);
cls(body, 'mode', ADD);
mode = 'song';
}
function treeClick(e, context = false) {
if (cls(e.target, 'folder'))
context ? addFolder(e) : openFolder(e);
else
context ? addSongNext(e) : addSong(e);
}
function openFolder(e) {
e.stopPropagation();
const li = e.target;
ffor(li.querySelectorAll(':scope > ul > *'), function(c) {
if (c.style.display != '') c.style.display = '';
});
if (cls(li, 'parent')) {
cls(li, 'open', ADD);
cls(li, 'match', ADD);
cls(li, 'parent', REM);
} else
cls(li, 'open', TOG)
setFocus(li);
if (audio[track].paused) fillShare(li.path +'/');
}
function addFolder(e) {
e.preventDefault();
e.stopPropagation();
const li = e.target;
if (confirm(li.path.substring(li.path.lastIndexOf('/') + 1) +'\n'+ str.addfolder)) {
cls(li, 'dim', ADD);
ffor(li.querySelectorAll('li.song'), function(s) { add(s.id) });
}
}
function setFocus (el) {
if (el.disabled) return false;
el.focus();
const { top, bottom } = el.getBoundingClientRect(),
offset = cls(dom.player, 'fix') ? dom.player.offsetHeight : 0;
if (top < offset || bottom - top + offset > window.innerHeight - offset) {
window.scrollTo({
'top': window.scrollY + top - offset,
'behavior': !cls(dom.player, 'fix') && touch ? 'instant' : 'smooth' // Instant scroll for mobile Chromium, otherwise fixed player will overlap and not adjust scrolling
});
} else if (bottom > window.innerHeight) {
window.scrollTo({
'top': window.pageYOffset + bottom - window.innerHeight + 4,
'behavior': 'smooth'
});
}
if (!offset) setTimeout(function() {
if (cls(dom.player, 'fix')) setFocus(el);
}, 500);
return true;
}
function setToast(el) {
setTimeout(function() {
if (el.className == 'error' || cls(dom.player, 'fix')) {
if (el.className == 'error') log(str.error +' '+ el.textContent, true);
if (toast) clearTimeout(toast);
dom.toast.className = el.className;
dom.toast.textContent = el.textContent;
dom.show('toast');
toast = setTimeout(function() { dom.hide('toast') }, 4000);
}
}, onScrollWait ? 400 : 0);
}
function addSong(e) {
e.stopPropagation();
const li = e.target;
if (cfg.enqueue || cfg.locked)
add(li.id);
else {
load(li.id, 'next');
if (cfg.playlist[cfg.index + 1].path != li.path) // Other songs are set to be played first
return setToast({ 'className': 'error', 'textContent': str.othersongsnext });
else {
stop();
playNext();
}
}
if (audio[track].paused) fillShare(li.path);
}
function addSongNext(e) {
e.preventDefault();
e.stopPropagation();
const li = e.target;
add(li.id, true);
if (audio[track].paused) fillShare(li.path);
}
function dimSong(path, act = ADD) {
ffor(songs, function(s) {
if (s.path == path) {
cls(s, 'dim', act);
if (act == REM) // Undim folder
cls(s.parentNode.parentNode, 'dim', REM);
return true;
}
});
}
function undimSong(path) {
var i = cfg.index > 0 ? cfg.index : 0;
while (i < cfg.playlist.length) {
if (cfg.playlist[i].path == path)
return;
i++;
}
return dimSong(path, REM);
}
function buildPlaylist() {
if (cfg.playlist.length == 0) return;
cfg.index = Math.min(cfg.index, cfg.playlist.length - 1);
dom.playlist.innerHTML = '';
for (var i in cfg.playlist) {
const s = cfg.playlist[i];
const li = playlistItem(s);
dom.playlist.appendChild(li);
dimSong(s.path);
if (i == cfg.index) {
cls(li, 'playing', ADD);
const nfo = getSongInfo(cfg.playlist[i].path);
dom.album.innerHTML = getAlbumInfo(nfo);
dom.title.innerHTML = nfo.title;
}
}
resizePlaylist();
if (cfg.index != -1) {
dom.playlist.scrollTop = dom.playlist.childNodes[cfg.index].offsetTop - dom.playlist.offsetTop;
fillShare(cfg.playlist[cfg.index].path);
}
}
function playlistItem(s) {
const li = document.createElement('li');
cls(li, 'song', ADD);
li.draggable = 'true';
if (s.id == 'last') {
li.id = 'last';
} else {
const nfo = getSongInfo(s.path);
li.innerHTML = nfo.title +'<span class="artist">'+ (nfo.artist ? '('+ nfo.artist +')' : '') +'</span>';
li.title = getAlbumInfo(nfo) + (mode ? '' : '\n\n'+ str.playlistdesc);
}
return li;
}
function clickItem(e) {
const item = cls(e.target, 'artist') ? e.target.parentNode : e.target;
if (cfg.locked || e.target.id == 'playlist') return;
if (cfg.removesongs) {
drag = item;
removeItem(e);
} else play(getIndex(item));
}
function findItem(e) {
if (mode || touch) return;
e.preventDefault();
if (e.target.tagName == 'LI')
setFilter(e.target.firstChild.textContent.trim());
else if (e.target.tagName == 'SPAN')
setFilter(e.target.textContent.replace(/^\(|\)$/g, ''));
}
function prepDrag(e) {
if (cfg.locked) return e.preventDefault();
e.stopPropagation();
cls(dom.trash, 'drag', ADD);
dom.playlist.appendChild(playlistItem({ 'id': 'last' }));
setTrashPos();
if (cfg.index != -1)
cls(dom.playlist.childNodes[cfg.index], 'playing', REM);
drag = e.target;
e.dataTransfer.effectAllowed = 'move';
e.dataTransfer.setData('text/plain', getIndex(drag));
}
function allowDrop(e) {
e.preventDefault();
e.stopPropagation();
}
function endDrag() {
cls(dom.trash, 'drag', REM);
dom.playlist.querySelectorAll('#last').forEach(li => dom.playlist.removeChild(li));
setTrashPos();
drag = null;
}
function dropItem(e) {
e.preventDefault();
e.stopPropagation();
const to = e.target;
if (to.tagName != 'LI') to = to.parentNode;
log('Drag ['+ drag.textContent +'] to place of ['+ to.textContent +']');
cls(to, 'over', REM);
const indexfrom = e.dataTransfer.getData('text');
const indexto = getIndex(to);
if (indexto != indexfrom) moveItem(drag, to, indexfrom, indexto);
if (cfg.index != -1) cls(dom.playlist.childNodes[cfg.index], 'playing', ADD);
log('Drag from '+ indexfrom +' to '+ indexto);
log('Playback index to '+ cfg.index);
}
function moveItem(drag, to, indexfrom, indexto) {
dom.playlist.insertBefore(drag, to);
cfg.playlist.splice(indexto - (indexfrom < indexto ? 1 : 0), 0, cfg.playlist.splice(indexfrom, 1)[0]);
log('Playback index from '+ cfg.index);
if (cfg.index != -1) {
if (indexfrom == cfg.index)
cfg.index = indexfrom < indexto ? indexto - 1 : indexto;
else if (indexfrom < cfg.index && indexto > cfg.index)
cfg.index--;
else if (indexfrom > cfg.index && indexto <= cfg.index)
cfg.index++;
}
}
function removeItem(e) {
e.preventDefault();
e.stopPropagation();
const index = getIndex(drag);
const playing = index == cfg.index;
const [removed] = cfg.playlist.splice(index, 1);
dom.playlist.removeChild(dom.playlist.childNodes[index]);
if (cfg.index != -1 && index <= cfg.index)
cfg.index--;
if (cfg.index != -1 && !playing)
cls(dom.playlist.childNodes[cfg.index], 'playing', ADD);
endDrag();
resizePlaylist();
undimSong(removed.path);
}
function getIndex(li) {
if (li.id == 'last') // Temporary last item for dragging
return cfg.playlist.length;
// return Array.prototype.indexOf.call(li.parentNode.children, li);
for (var i = 0; i < li.parentNode.children.length; i++)
if (li == li.parentNode.children[i])
return i;
}
function fillShare(path) {
if (!sharing) return;
if (path.endsWith('/')) {
dom.folderuri.value = path;
dom.songuri.value = '';
} else {
dom.folderuri.value = path.substring(0, path.lastIndexOf('/'));
dom.songuri.value = path;
}
}
function esc(s) {
return s.replace(/\/+$/, '').replace(/[(\?=&#% ]/g, function(char) { return escape(char) });
}
function base64(s) {
s = btoa(unescape(encodeURIComponent(s)));
return s.replace(/=+$/, '').replace(/[\/+=]/g, function(char) { return escape(char) });
}
function deBase64(s) {
return decodeURIComponent(escape(atob(s)));
}
function getSongInfo(path) {
log('getSongInfo: '+ path);
if (!path.includes('/') && url.length > 1)
path = root + path; // For shared songs/folders
for(var i = pathexp.length - 1; i > -1; i--) {
var nfo;
try {
nfo = path.match(pathexp[i]);
log(nfo.groups);
return nfo.groups;
} catch(e) {
if (nfo) log(e);
if (i < 1) {
const artalb = path.substring(path.lastIndexOf('/', path.lastIndexOf('/') - 1) + 1, path.lastIndexOf('/'));
if (!artalb.includes(' -'))
nfo = { 'artist': artalb }
else
nfo = {
'artist': artalb.substring(0, artalb.indexOf(' -')),
'album': artalb.substring(artalb.indexOf('- ') + 2)
}
nfo.title = path.substring(path.lastIndexOf('/') + 1, path.lastIndexOf('.'));
log(nfo);
return nfo;
}
}
}
}
function getAlbumInfo(nfo) {
const artist = nfo.artist ? nfo.artist : '';
var album = (nfo.year ? '('+ nfo.year +') ' : '') + (nfo.album || '');
album = artist + (album.length > 1 ? ' - '+ album : '');
log('getAlbumInfo: '+ album);
return album;
}
function timeTxt(t) {
const h = ~~(t / 3600);
const m = ~~(t % 3600 / 60);
const s = ~~(t % 60);
return (h > 0 ? (h < 10 ? '0' : '') + h +':' : '')
+ (m < 10 ? '0' : '') + m +':'
+ (s < 10 ? '0' : '') + s;
}
function zoom() {
if (window.pageYOffset > 2 * dom.player.offsetHeight)
return window.scrollTo({ 'top': 0, 'behavior': 'smooth' });
dom.player.className = cls(dom.player, 'big') ? 'full' :
(cls(dom.player, 'full') ? '' : 'big');
}
function seek(e) {
if (e == 'c') {
audio[track].currentTime = dom.seek.value * audio[track].duration;
dom.seek.blur();
} else {
dom.time.textContent = timeTxt(~~(dom.seek.value * audio[track].duration))
+' / '+ timeTxt(~~audio[track].duration);
}
}
function stop() {
if (cfg.locked) return;
clearInterval(retry);
audio[track].pause();
audio[track].currentTime = 0;
dom.seek.disabled = 1;
}
function playPause() {
if (cfg.index == -1) return playNext();
if (!audio[track].src || audio[track].src.startsWith('data:')) return play(cfg.index);
if (audio[track].paused) return start(audio[track]);
audio[track].pause();
}
function previous() {
if (cfg.locked) return;
if (cfg.index > 0)
play(cfg.index - 1);
else
log('No previous item in playlist', true);
}
function skipArtist(e) {
e.preventDefault();
if (cfg.locked) return;
const unskip = e.shiftKey || e.target.id == 'previous';
const msg = unskip ? str.unskipartist : str.skipartist;
var artist = cfg.playlist[cfg.index] ? getSongInfo(cfg.playlist[cfg.index].path).artist : "";
if (artist = prompt(msg, artist)) {
if (unskip)
cfg.skip = cfg.skip.filter(t => t !== artist.toLowerCase());
else
if (!cfg.skip.includes(artist.toLowerCase())) cfg.skip.push(artist.toLowerCase());
}
}
function next() {
if (!cfg.locked) playNext();
}
function prepNext() {
if (cfg.playlist.length > cfg.index + 1) {
log('prepNext from playlist');
if (cfg.random && !cfg.playlist[cfg.index + 1].playNext) {
const next = cfg.index + ~~(Math.random() * (cfg.playlist.length - cfg.index));
const drag = dom.playlist.childNodes[next],
to = dom.playlist.childNodes[cfg.index + 1],
indexfrom = next,
indexto = cfg.index + 1;
moveItem(drag, to, indexfrom, indexto);
}
load(cfg.index + 1);
} else if (cfg.after != 'stopplayback') {
log('prepNext from library');
if (cfg.after == 'randomfiltered' || cfg.after == 'randomlibrary') {
load(getRandom(), true);
} else if (cfg.after == 'playlibrary') {
if (cfg.index == -1) return load(songs[0].id, true);
const path = cfg.playlist[cfg.index].path;
var next = -1;
for (var i = 0; i < songs.length; i++) {
if (songs[i].path == path) {
next = i + 1;
break;
}
}
if (next != -1 && next < songs.length)
load(songs[next].id, true);
else {
log('End of library. Starting at the top', true);
load(songs[0].id, true);
}
} else if (cfg.after == 'repeatplaylist' && cfg.playlist.length > 0)
return load(0);
}
}
function getRandom(e = false) {
var next = null;
do {
const count = cfg.after == 'randomfiltered' ? songsFiltered.length : songs.length;
if ((cfg.after == 'randomfiltered' ? playedFiltered.length : played.length) == count)
clearPlayed(cfg.after);
next = ~~((Math.random() * count));
if (cfg.after == 'randomfiltered') {
next = songsFiltered[next]; // songsFiltered is an array of id's from songs
if (playedFiltered.includes(next.toString()))
next = null;
} else if (played.includes(next.toString()))
next = null;
if (next != null && artistSkipped(songs[next].path)) {
if (cfg.after == 'randomfiltered')
playedFiltered.push(next);
played.push(next);
log('Artist of '+ songs[next].path +' is skipped.', true)
next = null;
}
} while (next == null);
if (e) { // Enqueue random song
e.preventDefault();
const nfo = getSongInfo(songs[next].path);
if (confirm(getAlbumInfo(nfo) +'\n'+ nfo.title +'\n\n'+ dom.enqueue.textContent +'?'))
add(songs[next].id);
} else return songs[next].id;
}
function clearPlayed(action) {
var msg = 'Clearing played';
if (action == 'randomfiltered') {
playedFiltered.length = 0;
msg += 'Filtered[]: all songs from the filtered library have been played.'
} else {
played.length = 0;
if (action == 'reload')
msg += '[]: user reloaded library.';
else
msg += '[]: all songs have been played.';
}
log(msg, true);
}
function artistSkipped(path) {
const artist = getSongInfo(path).artist.toLowerCase();
const skip = cfg.skip.includes(artist);
if (skip)
log('Skipped artist "'+ artist +'"');
return skip;
}
function load(id, addtoplaylist = false) {
log('load('+ id +', addtoplaylist = '+ addtoplaylist +')');
clearInterval(retry);
if (addtoplaylist == 'next') add(id, true);
else if (addtoplaylist) add(id);
const a = audio[+!track];
a.prepped = true;
a.index = addtoplaylist ? cfg.index + 1 : id;
log('a.index = '+ a.index);
a.autoplay = false;
a.canplaythrough = false;
a.src = esc(root + cfg.playlist[a.index].path);
a.load();
clearInterval(a.fade);
a.fade = null;
a.volume = cfg.volume;
retry = setInterval(function() {
if (a.buffered.length == 0 || a.buffered.end(a.buffered.length - 1) < Math.min(5, a.duration)) {
a.log('No connection. Retrying', true);
a.load();
} else clearInterval(retry);
}, 8000);
}
function play(id) {
load(id);
stop();
playNext();
}
function mute(e = null) {
if (e) e.preventDefault();
audio[+!track].muted = audio[track].muted ^= true;
cls(dom.volume, 'muted', audio[track].muted ? ADD : REM);
}
function setVolume(input) {
if (input.target) input = input.target.value;
else dom.volumeslider.value = input;
cfg.volume = audio[track].volume = +parseFloat(input).toPrecision(2);
if (audio[track].muted) mute();
}
function shuffle(e) {
e.preventDefault();
if (cfg.locked) return;
var nextIndex = cfg.index + 1;
while (cfg.playlist[nextIndex] && cfg.playlist[nextIndex].playNext) nextIndex++;
if (!cfg.playlist[nextIndex]) return;
const range = cfg.playlist.length - nextIndex;
for (var i = cfg.playlist.length - 1; i >= nextIndex; i--) {
var j = nextIndex + ~~(Math.random() * range);
[cfg.playlist[i], cfg.playlist[j]] = [cfg.playlist[j], cfg.playlist[i]];
}
buildPlaylist();
}
function download(type) {
const share = dom[type +'uri'];
const shareRoot = type == 'folder' && url.length > 1;
if (share.value || shareRoot) {
const uri = (type != 'playlist' ? root : "") + share.value;
dom.a.href = 'music.php?dl'+ (type == 'playlist' ? 'pl' : '') +'='+ esc(uri);
dom.a.click();
}
}
function clip(type) {
const share = dom[type +'uri'];
const shareRoot = type == 'folder' && url.length > 1;
if (share.value || shareRoot) {
cls(share.nextElementSibling.nextElementSibling, 'clip', ADD);
const fullUri = type == 'playlist'
? base +'?play=pl:'+ esc(share.value)
: base +'?play=c:'+ base64(root + share.value);
toClipboard(fullUri);
share.blur();
setTimeout(function() {
cls(share.nextElementSibling.nextElementSibling, 'clip', REM);
}, 1500);
}
}
function toClipboard(value) {
const promise = navigator.clipboard.writeText(value);