81 lines
2.0 KiB
JavaScript
81 lines
2.0 KiB
JavaScript
var player;
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var pos_int;
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function init() {
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player = document.getElementById('player');
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player.addEventListener("ended", nextTrack);
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navigator.mediaSession.setActionHandler('play', playTrack);
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navigator.mediaSession.setActionHandler('pause', pauseTrack);
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navigator.mediaSession.setActionHandler('stop', stopTrack);
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navigator.mediaSession.setActionHandler('previoustrack', prevTrack);
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navigator.mediaSession.setActionHandler('nexttrack', nextTrack);
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pos_int = setInterval(update_position, 300);
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}
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async function get_rand_track() {
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let res = await fetch("./rand_track/")
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let data = await res.json();
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return data;
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}
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async function nextTrack() {
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track = await get_rand_track();
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player.src = track.source;
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playTrack();
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}
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function prevTrack() {
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// TODO: implement a history array
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}
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async function playTrack() {
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if (!player.src) {
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return nextTrack();
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}
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player.play();
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navigator.mediaSession.playbackState = "playing";
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setMediaSession(track);
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document.querySelector("#play-btn").style.display = "none";
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document.querySelector("#pause-btn").style.display = "initial";
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}
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function pauseTrack() {
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player.pause();
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navigator.mediaSession.playbackState = "paused";
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document.querySelector("#play-btn").style.display = "initial";
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document.querySelector("#pause-btn").style.display = "none";
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}
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function stopTrack() {
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player.pause();
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player.load();
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navigator.mediaSession.playbackState = "none";
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document.querySelector("#play-btn").style.display = "initial";
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document.querySelector("#pause-btn").style.display = "none";
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}
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function setMediaSession(track) {
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navigator.mediaSession.metadata = new MediaMetadata({
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title: track.title,
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artist: track.artist,
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album: track.album,
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artwork: track.artwork
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});
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}
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function update_position() {
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if (player.paused){return;}
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if (player.duration > 0 === false){return;}
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navigator.mediaSession.setPositionState({
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duration: parseInt(player.duration),
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playbackRate: player.playbackRate,
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position: parseInt(player.currentTime)
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});
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}
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