1 files changed, 82 insertions, 0 deletions
diff --git a/javascript/videojs/src/js/control-bar/playback-rate-menu/playback-rate-menu-item.js b/javascript/videojs/src/js/control-bar/playback-rate-menu/playback-rate-menu-item.js
new file mode 100644
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+++ b/javascript/videojs/src/js/control-bar/playback-rate-menu/playback-rate-menu-item.js
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+/**
+ * @file playback-rate-menu-item.js
+ */
+import MenuItem from '../../menu/menu-item.js';
+import Component from '../../component.js';
+
+/** @import Player from '../../player' */
+
+/**
+ * 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 {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 {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;