| 1 | 'use strict'; |
| 2 | var TYPES = { |
| 3 | "FLAC": "audio/x-flac", |
| 4 | "Vorbis": "audio/ogg", |
| 5 | "AAC": "audio/aac", |
| 6 | "MP3": "audio/mpeg" |
| 7 | }; |
| 8 | |
| 9 | var audio, details, start, data; |
| 10 | |
| 11 | function load_song (id) { |
| 12 | audio.style.display = "inline"; |
| 13 | var song = data[id]; |
| 14 | var old_sources = document.getElementsByTagName("source"); |
| 15 | while(old_sources.length) |
| 16 | old_sources[0].parentNode.removeChild(old_sources[0]); |
| 17 | |
| 18 | for (var i = 0 ; i < song.formats.length ; i++){ |
| 19 | var source = document.createElement("source"); |
| 20 | var type = TYPES[song.formats[i].format]; |
| 21 | source.setAttribute("type", type); |
| 22 | source.setAttribute("src", song.formats[i].file); |
| 23 | audio.appendChild(source); |
| 24 | } |
| 25 | |
| 26 | details.innerHTML = "Now playing: " + song.artist + " - " + song.title; |
| 27 | audio.load(); |
| 28 | } |
| 29 | |
| 30 | function play_random () { |
| 31 | start.innerHTML = "Next"; |
| 32 | var id = Math.floor(Math.random() * data.length); |
| 33 | load_song(id); |
| 34 | audio.play(); |
| 35 | } |
| 36 | |
| 37 | function make_onclick_handler (id){ |
| 38 | return function () { |
| 39 | load_song(id); |
| 40 | start.innerHTML = "Next"; |
| 41 | audio.play(); |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | window.onload = function () { |
| 46 | var container = document.getElementById("player"); |
| 47 | container.innerHTML = '<div id="details"></div> <button id="start_player">Play a random song</button> (or click a song title)<br><audio id="audio" controls></audio>'; |
| 48 | audio = document.getElementById("audio"); |
| 49 | details = document.getElementById("details"); |
| 50 | start = document.getElementById("start_player"); |
| 51 | |
| 52 | data = []; |
| 53 | var trs = document.querySelectorAll("tbody tr"); |
| 54 | for (var i = 0 ; i < trs.length ; i++) { |
| 55 | var tr = trs[i]; |
| 56 | var song = { |
| 57 | "artist": tr.getElementsByClassName("artist")[0].textContent, |
| 58 | "title": tr.getElementsByClassName("title")[0].textContent, |
| 59 | "formats": [] |
| 60 | }; |
| 61 | var formats = tr.getElementsByClassName("formats")[0].getElementsByTagName("a"); |
| 62 | for (var j = 0 ; j < formats.length ; j++) { |
| 63 | var format = formats[j]; |
| 64 | song.formats.push({ |
| 65 | "format": format.textContent, |
| 66 | "file": format.getAttribute("href") |
| 67 | }); |
| 68 | } |
| 69 | data.push(song); |
| 70 | tr.getElementsByClassName("title")[0].onclick = make_onclick_handler(i); |
| 71 | } |
| 72 | |
| 73 | audio.style.display = "none"; |
| 74 | audio.addEventListener('ended', play_random); |
| 75 | audio.addEventListener('error', play_random); |
| 76 | start.addEventListener('click', play_random); |
| 77 | }; |