/**
* @file playback-rate-menu-item.js
*/
import MenuItem from '../../menu/menu-item.js';
import Component from '../../component.js';
/**
* The specific menu item type for selecting a playback rate.
*
* @extends MenuItem
*/
class PlaybackRateMenuItem extends MenuItem {
/**
* 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.
*/
constructor(player, options) {
const label = options.rate;
const rate = parseFloat(label, 10);
// Modify options for parent MenuItem class's init.
options.label = label;
options.selected = rate === player.playbackRate();
options.selectable = true;
options.multiSelectable = false;
super(player, options);
this.label = label;
this.rate = rate;
this.on(player, 'ratechange', (e) => this.update(e));
}
/**
* This gets called when an `PlaybackRateMenuItem` is "clicked". See
* {@link ClickableComponent} for more detailed information on what a click can be.
*
* @param {EventTarget~Event} [event]
* The `keydown`, `tap`, or `click` event that caused this function to be
* called.
*
* @listens tap
* @listens click
*/
handleClick(event) {
super.handleClick();
this.player().playbackRate(this.rate);
}
/**
* Update the PlaybackRateMenuItem when the playbackrate changes.
*
* @param {EventTarget~Event} [event]
* The `ratechange` event that caused this function to run.
*
* @listens Player#ratechange
*/
update(event) {
this.selected(this.player().playbackRate() === this.rate);
}
}
/**
* The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.
*
* @type {string}
* @private
*/
PlaybackRateMenuItem.prototype.contentElType = 'button';
Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);
export default PlaybackRateMenuItem;