cyp/app/js/elements/media-handler.js

51 lines
1.5 KiB
JavaScript

import Component from "../component.js";
import * as html from "../html.js";
class MediaHandler extends Component {
connectedCallback() {
// check support mediaSession
if (!('mediaSession' in navigator)) {
console.log('mediaSession is not supported');
return;
}
// DOM (using media session controls are allowed only if there is audio/video tag)
const audio = html.node("audio", {loop: true}, "", this);
html.node("source", {src: 'https://raw.githubusercontent.com/anars/blank-audio/master/10-seconds-of-silence.mp3'}, '', audio);
// Init event session (play audio) on click (because restrictions by web browsers)
let mediaSessionInit = false;
window.addEventListener('click', () => {
if (!mediaSessionInit) {
audio.play();
mediaSessionInit = true;
}
});
// mediaSession define metadata
navigator.mediaSession.metadata = new MediaMetadata({
title: 'Control Your Player'
});
// mediaSession define action handlers
const that = this;
navigator.mediaSession.setActionHandler('play', function() {
that._mpd.command("play")
audio.play()
});
navigator.mediaSession.setActionHandler('pause', function() {
that._mpd.command("pause 1")
audio.pause()
});
navigator.mediaSession.setActionHandler('previoustrack', function() {
that._mpd.command("previous")
audio.play()
});
navigator.mediaSession.setActionHandler('nexttrack', function() {
that._mpd.command("next")
audio.play()
});
}
}
customElements.define("cyp-media-handler", MediaHandler);