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-rw-r--r--javascript/videojs/src/js/control-bar/text-track-controls/descriptions-button.js105
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diff --git a/javascript/videojs/src/js/control-bar/text-track-controls/descriptions-button.js b/javascript/videojs/src/js/control-bar/text-track-controls/descriptions-button.js
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--- a/javascript/videojs/src/js/control-bar/text-track-controls/descriptions-button.js
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@@ -1,105 +0,0 @@
-/**
- * @file descriptions-button.js
- */
-import TextTrackButton from './text-track-button.js';
-import Component from '../../component.js';
-import * as Fn from '../../utils/fn.js';
-
-/** @import Player from '../../player' */
-
-/**
- * The button component for toggling and selecting descriptions
- *
- * @extends TextTrackButton
- */
-class DescriptionsButton extends TextTrackButton {
-
- /**
- * Creates an instance of this class.
- *
- * @param {Player} player
- * The `Player` that this class should be attached to.
- *
- * @param {Object} [options]
- * The key/value store of player options.
- *
- * @param {Function} [ready]
- * The function to call when this component is ready.
- */
- constructor(player, options, ready) {
- super(player, options, ready);
-
- this.setIcon('audio-description');
-
- const tracks = player.textTracks();
- const changeHandler = Fn.bind_(this, this.handleTracksChange);
-
- tracks.addEventListener('change', changeHandler);
- this.on('dispose', function() {
- tracks.removeEventListener('change', changeHandler);
- });
- }
-
- /**
- * Handle text track change
- *
- * @param {Event} event
- * The event that caused this function to run
- *
- * @listens TextTrackList#change
- */
- handleTracksChange(event) {
- const tracks = this.player().textTracks();
- let disabled = false;
-
- // Check whether a track of a different kind is showing
- for (let i = 0, l = tracks.length; i < l; i++) {
- const track = tracks[i];
-
- if (track.kind !== this.kind_ && track.mode === 'showing') {
- disabled = true;
- break;
- }
- }
-
- // If another track is showing, disable this menu button
- if (disabled) {
- this.disable();
- } else {
- this.enable();
- }
- }
-
- /**
- * Builds the default DOM `className`.
- *
- * @return {string}
- * The DOM `className` for this object.
- */
- buildCSSClass() {
- return `vjs-descriptions-button ${super.buildCSSClass()}`;
- }
-
- buildWrapperCSSClass() {
- return `vjs-descriptions-button ${super.buildWrapperCSSClass()}`;
- }
-}
-
-/**
- * `kind` of TextTrack to look for to associate it with this menu.
- *
- * @type {string}
- * @private
- */
-DescriptionsButton.prototype.kind_ = 'descriptions';
-
-/**
- * The text that should display over the `DescriptionsButton`s controls. Added for localization.
- *
- * @type {string}
- * @protected
- */
-DescriptionsButton.prototype.controlText_ = 'Descriptions';
-
-Component.registerComponent('DescriptionsButton', DescriptionsButton);
-export default DescriptionsButton;