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-rw-r--r--javascript/videojs/src/js/tracks/audio-track.js89
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diff --git a/javascript/videojs/src/js/tracks/audio-track.js b/javascript/videojs/src/js/tracks/audio-track.js
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--- a/javascript/videojs/src/js/tracks/audio-track.js
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-import {AudioTrackKind} from './track-enums';
-import Track from './track';
-import {merge} from '../utils/obj';
-
-/**
- * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
- * only one `AudioTrack` in the list will be enabled at a time.
- *
- * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
- * @extends Track
- */
-class AudioTrack extends Track {
-
- /**
- * Create an instance of this class.
- *
- * @param {Object} [options={}]
- * Object of option names and values
- *
- * @param {AudioTrack~Kind} [options.kind='']
- * A valid audio track kind
- *
- * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
- * A unique id for this AudioTrack.
- *
- * @param {string} [options.label='']
- * The menu label for this track.
- *
- * @param {string} [options.language='']
- * A valid two character language code.
- *
- * @param {boolean} [options.enabled]
- * If this track is the one that is currently playing. If this track is part of
- * an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
- */
- constructor(options = {}) {
- const settings = merge(options, {
- kind: AudioTrackKind[options.kind] || ''
- });
-
- super(settings);
-
- let enabled = false;
-
- /**
- * @memberof AudioTrack
- * @member {boolean} enabled
- * If this `AudioTrack` is enabled or not. When setting this will
- * fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
- * @instance
- *
- * @fires VideoTrack#selectedchange
- */
- Object.defineProperty(this, 'enabled', {
- get() {
- return enabled;
- },
- set(newEnabled) {
- // an invalid or unchanged value
- if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
- return;
- }
- enabled = newEnabled;
-
- /**
- * An event that fires when enabled changes on this track. This allows
- * the AudioTrackList that holds this track to act accordingly.
- *
- * > Note: This is not part of the spec! Native tracks will do
- * this internally without an event.
- *
- * @event AudioTrack#enabledchange
- * @type {Event}
- */
- this.trigger('enabledchange');
- }
- });
-
- // if the user sets this track to selected then
- // set selected to that true value otherwise
- // we keep it false
- if (settings.enabled) {
- this.enabled = settings.enabled;
- }
- this.loaded_ = true;
- }
-}
-
-export default AudioTrack;