negromate/web/static/js/videojs-playlist/src/play-item.js

62 lines
1.5 KiB
JavaScript

import {setup} from './auto-advance.js';
/**
* Removes all remote text tracks from a player.
*
* @param {Player} player
* The player to clear tracks on
*/
const clearTracks = (player) => {
const tracks = player.remoteTextTracks();
let i = tracks && tracks.length || 0;
// This uses a `while` loop rather than `forEach` because the
// `TextTrackList` object is a live DOM list (not an array).
while (i--) {
player.removeRemoteTextTrack(tracks[i]);
}
};
/**
* Plays an item on a player's playlist.
*
* @param {Player} player
* The player to play the item on
*
* @param {Object} item
* A source from the playlist.
*
* @return {Player}
* The player that is now playing the item
*/
const playItem = (player, item) => {
const replay = !player.paused() || player.ended();
player.trigger('beforeplaylistitem', item);
player.poster(item.poster || '');
player.src(item.sources);
clearTracks(player);
player.ready(() => {
(item.textTracks || []).forEach(player.addRemoteTextTrack.bind(player));
player.trigger('playlistitem', item);
if (replay) {
const playPromise = player.play();
// silence error when a pause interrupts a play request
// on browsers which return a promise
if (typeof playPromise !== 'undefined' && typeof playPromise.then === 'function') {
playPromise.then(null, (e) => {});
}
}
setup(player, player.playlist.autoadvance_.delay);
});
return player;
};
export default playItem;
export {clearTracks};