131 lines
3.5 KiB
JavaScript
131 lines
3.5 KiB
JavaScript
var worker;
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function load() {
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init_worker();
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document.querySelector('#player').addEventListener('ended', function() {
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if (document.querySelector('#shuffle').checked) {
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ww_send_event('random_track', {});
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}
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});
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}
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function init_worker() {
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worker = new Worker('/static/scorchWorker.js');
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worker.onmessage = ww_onmessage;
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worker.events = {};
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worker.events['artist_albums'] = artist_albums_recv;
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worker.events['album_tracks'] = album_tracks_recv;
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worker.events['track'] = track_recv;
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}
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function ww_send_event(event_title, data) {
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worker.postMessage([event_title, data]);
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}
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function ww_onmessage(event) {
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let data;
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let event_title;
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try {
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data = JSON.parse(event.data);
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} catch(err) {
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// not JSON
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console.log(err);
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console.log(event);
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throw new Error("Error decoding JSON");
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return;
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}
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if (!data.ok) {
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throw new Error("Socket error: event = " + event_title + ", error = " + data.error);
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}
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try {
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event_title = data.event;
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data = data.data;
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} catch(err) {
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// not proper event
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console.log(err);
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console.log(event);
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throw new Error("Event malformed");
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return;
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}
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if (worker.events[event_title] === undefined) {
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console.log("Unknown socket event: " + event_title);
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return;
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}
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//console.log("Received `" + event_title + "` event with following data: " + JSON.stringify(data));
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worker.events[event_title](data);
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}
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/* Websocket receive */
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function artist_albums_recv(data) {
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let albums_list = document.querySelector('#albumList');
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while (albums_list.firstChild) {
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albums_list.removeChild(albums_list.lastChild);
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}
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let track_list = document.querySelector('#trackList');
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while (track_list.firstChild) {
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track_list.removeChild(track_list.firstChild);
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}
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for (let album of data) {
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let option = document.createElement('option');
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option.value = album['album'];
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option.innerText = album['album'];
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albums_list.appendChild(option);
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}
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}
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function album_tracks_recv(data) {
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let track_list = document.querySelector('#trackList');
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while (track_list.firstChild) {
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track_list.removeChild(track_list.lastChild);
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}
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for (let track of data) {
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let option = document.createElement('option');
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option.value = track['title'];
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option.innerText = track['discnumber'] + '.' + track['tracknumber'] + ' - ' + track['title'];
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option.dataset['discnumber'] = track['discnumber']
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option.dataset['tracknumber'] = track['tracknumber']
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track_list.appendChild(option);
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}
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}
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function track_recv(data) {
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document.querySelector('#nowPlayingArtist').innerText = data['albumartist'];
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document.querySelector('#nowPlayingAlbum').innerText = data['album'];
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document.querySelector('#nowPlayingTitle').innerText = data['title'];
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document.title = 'Scorch | ' + data['artist'] + ' - ' + data['title'];
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let player = document.querySelector('#player');
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player.firstElementChild.src = data['url'];
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player.load();
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player.play();
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document.querySelector('#albumCover').firstChild.src = data['coverart'];
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}
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/* Websocket send */
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function select_artist(select) {
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let data = {
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'artist': select.value,
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};
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ww_send_event('select_artist', data);
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}
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function select_album(select) {
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let data = {
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'artist': document.querySelector('#artistList').value,
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'album': select.value,
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};
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ww_send_event('select_album', data);
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}
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function select_track(select) {
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let data = {
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'artist': document.querySelector('#artistList').value,
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'album': document.querySelector('#albumList').value,
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'discnumber': select.selectedOptions[0].dataset['discnumber'],
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'tracknumber': select.selectedOptions[0].dataset['tracknumber'],
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};
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ww_send_event('select_track', data);
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}
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