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music.js
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var
audio,
base,
cfg = {},
def = { 'playlist': [], 'skip': [], 'index': -1 },
dom,
library,
ls,
pathexp,
songs = [],
themes = [],
url,
drag,
errorcount = 0,
filteredsongs = [],
mode,
onplaylist,
onseek,
onscrollwait,
played = [],
playerheight,
playlistloaded,
playlists,
retry,
toast,
touch,
track = 0,
tree,
tv;
const
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;
var get = function(id) { return document.getElementById(id) };
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 });
var lib = document.createElement('script');
lib.src = 'music.php'+ (url.length > 1 ? '?play='+ esc(url[1]) : '');
lib.onload = function() {
if (!pathexp) alert(s_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('doc');
log('https://github.com/ltGuillaume/MusicFolderPlayer', true);
log('Song count: '+ songs.length, true);
log('PHP request = '+ lib.src);
if (songs.length == 1) prepSongMode();
if (autoplay > 1 || autoplay && url[1]) playPause();
library = null;
};
document.body.appendChild(lib);
}
function prepUI() {
ls = ls();
dom.pagetitle.textContent = def.title;
dom.doc.className = cfg.theme || def.theme;
dom.volumeslider.max = def.volume;
dom.volumeslider.value = cfg.volume;
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);
dom.lock.textContent = 'Unlock';
}
if (url.length > 1 || !onlinepls) dom.hide(['playlistsdiv', 'save', 'shareplaylist']);
if (!sharing) dom.hide('share');
if (whatsapp) cls(dom.options, 'whatsapp', ADD);
if (cfg.after == 'randomfiltered') cfg.after = 'randomlibrary';
cfg.remove = false;
if (!debug) dom.hide('logbtn');
if (url.length > 1 && url[1].startsWith('pl:')) {
prepPlaylistMode();
prepPlaylists(mode);
}
ffor(['TV', 'Andr0id', ' OMI/', 'Viera'], function(s) {
if (navigator.userAgent.indexOf(s) > -1) tv = true;
});
if ('maxTouchPoints' in navigator && navigator.maxTouchPoints > 0) touchUI();
else window.addEventListener('touchstart', function() {
touchUI();
window.addEventListener('touchend', function(e) {
e.preventDefault();
/* dom.playlist.className = dom.playlist.style.height = '';
resizePlaylist();
window.addEventListener('touchend', function(e) {
endDrag();
}, false);
*/ }, { once: true });
window.addEventListener('touchmove', function(e) {
onplaylist = dom.playlist.contains(e.targetTouches[0].target);
}, { passive: true });
}, { once: true, passive: true });
window.addEventListener('scroll', function() {
if (onscrollwait) return;
onscrollwait = true;
setTimeout(function() {
fixPlayer();
onscrollwait = false;
}, 400);
}, { passive: true });
window.onpagehide = function() {
if (ls) {
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);
}
if (instantfilter) dom.filter.oninput = filter; // Gives event as parameter
if (window.innerWidth > 360)
cls(dom.library, 'unfold', ADD);
}
function touchUI() {
touch = true;
cls(dom.doc, 'touch', ADD);
if (mode) resizePlaylist();
else dom.show('trash');
}
function fixPlayer() {
if (!cls(dom.player, 'fix') && !cls(dom.doc, '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 {
var 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;
var ls = JSON.stringify(cfg);
localStorage.setItem(lsid, ls);
if (localStorage.getItem(lsid) == ls) return true;
log('LocalStorage issue');
return false;
} catch(e) {
log(e);
cfg = def;
return false;
}
}
function log(s, force = false) {
if (debug || force) {
if (typeof s === 'string') {
var t = new Date();
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() {
var l = new Blob([dom.log.value], { type: 'text/plain', endings: 'native' });
dom.a.href = window.URL.createObjectURL(l);
dom.a.download = def.title +"_"+ Math.floor(new Date()/1000) +'.log';
dom.a.click();
}
function prepPlaylistMode() {
cfg.after = 'stopplayback';
dom.hide(['enqueue', 'save', 'playlibrary', 'randomlibrary', 'randomfiltered', 'trash', 'library']);
dom.playlist.style.minHeight = dom.playlist.style.maxHeight = 'unset';
mode = 'playlist';
}
function prepAudio(id) {
var a = new Audio();
a.log = function(msg) { log(msg +' ['+ id +']: '+ a.src) };
a.onloadstart = function() {
a.log('Load started');
}
a.oncanplaythrough = function() {
a.log('Can play through');
a.canplaythrough = true;
};
a.onplay = function() {
a.log('Play');
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');
if (audio[track].ended) // For crossfade/"gapless"
playNext();
};
a.ontimeupdate = function() {
if (a != audio[track]) return;
if (a.currentTime >= a.duration - buffersec) return playNext();
if ((a.duration - a.currentTime) < 20) {
if (!audio[+!track].prepped) prepNext();
if (cfg.crossfade && !a.fade && a.duration - a.currentTime < 10) {
a.log('Fade out: '+ dom.title.textContent);
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);
dom.playlist.childNodes[cfg.index].setAttribute('error', 1);
errorcount++;
if (errorcount < maxerrors)
playNext();
else
errorcount = 0;
};
a.onabort = function() {
a.log('Aborted');
}
a.onstalled = function() {
a.log('Stalled (media not available)');
}
a.onsuspend = function() {
a.log('Suspended (media prevented from loading)');
}
a.onwaiting = function() {
a.log('Waiting (need to buffer)');
}
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;
element.appendChild(li);
var ul = li.appendChild(document.createElement('ul'));
buildLibrary(root + i +'/', folder[i], ul);
} else {
for (f in folder[i]) {
if (f.toLowerCase().endsWith('.jpg') || f.toLowerCase().endsWith('.png')) {
if (!cover || f.toLowerCase().startsWith('cover'))
cover = f;
delete(folder[i][f]);
}
}
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;
songs.push(li);
element.appendChild(li);
}
}
}
}
function reloadLibrary() {
dom.tree.innerHTML = '';
var lib = document.createElement('script');
lib.src = 'music.php'+ (url.length > 1 ? '?play='+ esc(url[1]) +'&' : '?') +'reload';
lib.onload = function() {
buildLibrary('', library, dom.tree);
tree = dom.tree.querySelectorAll('li');
clearPlayed();
library = null;
}
document.body.appendChild(lib);
}
function prepSongMode() {
prepPlaylistMode();
add(0);
dom.hide(['previous', 'next', 'options', 'playlistdiv']);
mode = 'song';
}
function libClick(e, context = false) {
if (cls(e.target, 'folder'))
context ? addFolder(e) : openFolder(e);
else
context ? addSongNext(e) : addSong(e);
}
function openFolder(e) {
e.stopPropagation();
var li = e.target, dim = cls(li, 'dim') ? ' dim' : '';
if (cls(li, 'filtered') || cls(li, 'parent')) {
ffor(li.querySelectorAll('ul > *'), function(c) {
if (c.style.display != '') c.style.display = '';
});
li.className = 'folder open'+ dim;
} else {
li.className = (cls(li, 'open') ? ' folder' : ' folder open') + dim;
}
setFocus(li);
if (audio[track].paused) fillShare(li.path +'/');
}
function addFolder(e) {
e.preventDefault();
e.stopPropagation();
var li = e.target;
if (confirm(s_addfolder +'\n'+ li.path.substring(li.path.lastIndexOf('/') + 1))) {
cls(li, 'dim', ADD);
ffor(li.querySelectorAll('li.song'), function(s) {
add(s.id);
cls(li, 'dim', ADD);
});
}
}
function setFocus (el) {
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': 'smooth'
});
} 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, el);
}
function setToast(el) {
if (el.className == 'error' || cls(dom.player, 'fix')) {
if (el.className == 'error') log(s_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);
}
}
function addSong(e) {
e.stopPropagation();
var 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': s_othersongsnext });
else
playNext();
}
cls(li, 'dim', ADD);
if (audio[track].paused) fillShare(li.path);
}
function addSongNext(e) {
e.preventDefault();
e.stopPropagation();
var li = e.target;
add(li.id, true);
cls(li, 'dim', ADD);
if (audio[track].paused) fillShare(li.path);
}
function buildPlaylist() {
if (cfg.playlist.length == 0 || (url.length > 1 && !mode)) return; // Only use saved playlist in library mode
cfg.index = Math.min(cfg.index, cfg.playlist.length - 1);
dom.playlist.innerHTML = '';
var i, li;
for (i in cfg.playlist) {
li = playlistItem(cfg.playlist[i]);
cls(li, 'song', ADD);
dom.playlist.appendChild(li);
if (i == cfg.index) {
cls(li, 'playing', ADD);
var path = cfg.playlist[i].path;
var nfo = getSongInfo(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) {
var li = document.createElement('li');
cls(li, 'song', ADD);
li.draggable = 'true';
if (s.id == 'last') {
li.id = 'last';
} else {
var nfo = getSongInfo(s.path);
li.innerHTML = nfo.title +' <span class="artist">'+ (nfo.artist ? '('+ nfo.artist +')' : '') +'</span>';
li.title = getAlbumInfo(nfo) + (mode ? '' : '\n\n'+ s_playlistdesc);
}
return li;
}
function clickItem(e) {
if (cfg.locked || e.target.id == 'playlist') return;
if (cfg.remove) {
drag = cls(e.target, 'artist') ? e.target.parentNode : e.target;
removeItem(e);
} else play(getIndex(e.target));
}
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' }));
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);
if (dom.playlist.hasChildNodes() && dom.playlist.lastChild.id == 'last') {
dom.playlist.removeChild(dom.playlist.lastChild);
}
drag = null;
}
function dropItem(e) {
e.preventDefault();
e.stopPropagation();
var to = e.target;
if (to.tagName != 'LI') to = to.parentNode;
log('Drag ['+ drag.textContent +'] to place of ['+ to.textContent +']');
cls(to, 'over', REM);
var indexfrom = e.dataTransfer.getData('text');
var 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();
var index = getIndex(drag);
var playing = index == cfg.index;
cfg.playlist.splice(index, 1);
dom.playlist.removeChild(dom.playlist.childNodes[index]);
resizePlaylist();
if (cfg.index != -1 && index <= cfg.index)
cfg.index--;
if (cfg.index != -1 && !playing)
cls(dom.playlist.childNodes[cfg.index], 'playing', ADD);
endDrag();
}
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.indexOf('/') == -1 && url.length > 1)
path = root + path; // For shared songs/folders
for(var i = pathexp.length - 1; i > -1; i--) {
try {
var nfo = path.match(pathexp[i]);
log(nfo.groups);
return nfo.groups;
} catch(e) {
log(e);
if (i < 1) {
var nfo, artalb = path.substring(path.lastIndexOf('/', path.lastIndexOf('/') - 1) + 1, path.lastIndexOf('/'));
if (artalb.indexOf(' -') == -1)
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) {
var 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) {
var h = ~~(t / 3600);
var m = ~~(t % 3600 / 60);
var 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) 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');
}
function skipArtist(e) {
e.preventDefault();
if (!cfg.locked) {
var artist = dom.album.textContent;
artist = artist.indexOf(' -') > 0 ? artist.substring(0, artist.indexOf(' -')) : false;
if (artist && confirm(artist +'\n'+ s_skipartist)) {
cfg.skip.push(artist);
next();
}
}
}
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) {
var next = cfg.index + ~~(Math.random() * (cfg.playlist.length - cfg.index));
var 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' || cfg.locked) {
log('prepNext from library');
if (played.length == songs.length) clearPlayed();
if (cfg.locked || cfg.after == 'randomlibrary' || cfg.after == 'randomfiltered') {
var set = cfg.after == 'randomlibrary' || cfg.locked || filteredsongs.length == 0 ? songs : filteredsongs;
var next = null;
do {
next = ~~((Math.random() * set.length));
if (played.indexOf(next.toString()) != -1)
next = null;
else if (artistSkipped(set[next].path)) {
if (played.length == songs.length)
clearPlayed();
else {
played.push(set[next].id);
next = null;
}
}
} while (next == null);
load(set[next].id, true);
} else if (cfg.after == 'playlibrary') {
if (cfg.index == -1) return load(songs[0].id, true);
var 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');
load(songs[0].id, true);
}
} else if (cfg.after == 'repeatplaylist' && cfg.playlist.length > 0)
return load(0);
}
}
function clearPlayed() {
log('User reloaded library or all songs have been played. Clearing played array.', true);
played.length = 0;
}
function artistSkipped(path) {
var artist = getSongInfo(path).artist;
if (debug && cfg.skip.indexOf() != -1)
log('Artist '+ artist +' skipped');
return cfg.skip.indexOf(artist) != -1;
}
function load(id, addtoplaylist = false) {
log('load('+ id +', addtoplaylist = '+ addtoplaylist +')');
clearInterval(retry);
if (addtoplaylist == 'next') add(id, true);
else if (addtoplaylist) add(id);
var a = audio[+!track];
a.prepped = !addtoplaylist;
a.index = addtoplaylist ? cfg.index + 1 : id;
log('a.index = '+ a.index);
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)) {
log('No connection. Retrying... '+ dom.playlist.childNodes[cfg.index].textContent);
a.load();
} else clearInterval(retry);
}, 2500);
}
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 download(type) {
var share = dom[type +'uri'];
if (share.value || type == 'folder') {
var uri = (type != 'playlist' ? root : "") + share.value;
dom.a.href = 'music.php?dl'+ (type == 'playlist' ? 'pl' : '') +'='+ esc(uri);
dom.a.click();
}
}
function clip(type) {
var share = dom[type +'uri'];
if (share.value || type == 'folder') {
var clearVal = share.value;
if (type == 'playlist')
share.value = base +'?play=pl:'+ esc(share.value);
else
share.value = base +'?play=c:'+ base64(root + share.value);
share.select();
document.execCommand('copy');
cls(share.nextElementSibling.nextElementSibling, 'clip', ADD);
share.blur();
share.value = clearVal;
setTimeout(function() {
cls(share.nextElementSibling.nextElementSibling, 'clip', REM);
}, 1500);
}
}
function shareWhatsApp(type) {
var share = dom[type +'uri'];
if (share.value || type == 'folder') {
var msg = prompt(s_whatsapp, s_whatsappmsg);
if (msg != null) window.open('https://api.whatsapp.com/send?text='+ msg +' '
+ base +'?play=c:'+ base64(root + share.value));
}
}
function prepPlaylists(action) {
var xhttp = new XMLHttpRequest();
xhttp.onload = function() {
playlists = JSON.parse(this.responseText);
log(playlists);
var playlistElements = '';
if (playlists.length != []) {
for (var p in playlists)
playlistElements += action == 'share' ? '<option value="'+ p +'">' : '<button class="add">'+ p +'</button>';
} else playlistElements = '<p tabindex="1">'+ s_noplaylists +'</p>';
switch (action) {
case 'load':
dom.playlists.innerHTML = playlistElements;
dom.show('playlists');
setFocus(dom.playlists.firstElementChild);
break;
case 'save':
savePlaylist();
break;
case 'share':
dom.playlistdata.innerHTML = playlistElements;
break;
case 'playlist':
loadPlaylist(decodeURIComponent(url[1].substring(3)));
if (autoplay && audio[track].paused) playPause();
}
};
xhttp.open('GET', 'music.php?pl', true);
xhttp.send();
}
function loadPlaylist(name) {
var pl = JSON.parse(playlists[name]);
fillPlaylist(pl);
playlistloaded = name;
}
function loadPlaylistBtn(e) {
if (cls(e.target, 'on') || e.target.textContent == s_noplaylists) return;
cls(e.target, 'on', ADD);
loadPlaylist(e.target.textContent);
}
function removePlaylist(e) {
e.preventDefault();
var name = e.target.textContent;
if (e.target.tagName != 'BUTTON' || !confirm(s_removeplaylist +' '+ name +'?')) return true;
var xhttp = new XMLHttpRequest();
xhttp.onload = function() {
if (this.responseText != '')
alert(s_error +'\n\n'+ this.responseText);
else if (cls(dom.playlists, 'hide'))
menu('load');
else {
dom.playlists.removeChild(e.target);
if (!dom.playlists.hasChildNodes())
dom.playlists.innerHTML = '<p tabindex="1">'+ s_noplaylists +'</p>';
setFocus(dom.playlists.firstElementChild);
}
}
xhttp.open('DELETE', 'music.php', true);
xhttp.setRequestHeader('Content-type', 'application/json');
xhttp.send(JSON.stringify({ 'name': name }));
}
function savePlaylist() {
if (!cfg.playlist.length) return;
var name = prompt(s_export, playlistloaded);
if (name) {
name = name.replace(/[\\\/:*?"<>|]/g, ' ');
for (var pl in playlists)
if (pl == name && !confirm(s_overwrite)) return;
var xhttp = new XMLHttpRequest();
xhttp.onload = function() {
if (this.responseText != '')
alert(s_error +'\n\n'+ this.responseText);
}
xhttp.open('POST', 'music.php', true);
xhttp.setRequestHeader('Content-type', 'application/json');
xhttp.send(JSON.stringify({ 'name': name, 'songs': getPlaylistCopy() }));
}
}
function importPlaylist() {
var input = document.createElement('input');
input.setAttribute('type', 'file');
input.setAttribute('accept', '.mfp.json');
input.onchange = function(e) {
var reader = new FileReader();
reader.onload = function(e) {
var pl = JSON.parse(e.target.result);
fillPlaylist(pl);
};
reader.readAsText(input.files[0], 'UTF-8');
}
input.click();
}
function exportPlaylist() {
if (!cfg.playlist.length) return;
var filename = prompt(s_export);
if (filename) {
dom.a.href = 'data:text/json;charset=utf-8,'+ esc(getPlaylistCopy());
dom.a.download = filename +'.mfp.json';
dom.a.click();
}
}
function fillPlaylist(pl) {
if (pl.constructor !== Array) {