Version 1
[yaffs-website] / node_modules / video.js / es5 / control-bar / volume-control / volume-bar.js
diff --git a/node_modules/video.js/es5/control-bar/volume-control/volume-bar.js b/node_modules/video.js/es5/control-bar/volume-control/volume-bar.js
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+'use strict';
+
+exports.__esModule = true;
+
+var _slider = require('../../slider/slider.js');
+
+var _slider2 = _interopRequireDefault(_slider);
+
+var _component = require('../../component.js');
+
+var _component2 = _interopRequireDefault(_component);
+
+var _fn = require('../../utils/fn.js');
+
+var Fn = _interopRequireWildcard(_fn);
+
+require('./volume-level.js');
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } }
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /**
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                * @file volume-bar.js
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                */
+
+
+// Required children
+
+
+/**
+ * The bar that contains the volume level and can be clicked on to adjust the level
+ *
+ * @extends Slider
+ */
+var VolumeBar = function (_Slider) {
+  _inherits(VolumeBar, _Slider);
+
+  /**
+   * 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.
+   */
+  function VolumeBar(player, options) {
+    _classCallCheck(this, VolumeBar);
+
+    var _this = _possibleConstructorReturn(this, _Slider.call(this, player, options));
+
+    _this.on(player, 'volumechange', _this.updateARIAAttributes);
+    player.ready(Fn.bind(_this, _this.updateARIAAttributes));
+    return _this;
+  }
+
+  /**
+   * Create the `Component`'s DOM element
+   *
+   * @return {Element}
+   *         The element that was created.
+   */
+
+
+  VolumeBar.prototype.createEl = function createEl() {
+    return _Slider.prototype.createEl.call(this, 'div', {
+      className: 'vjs-volume-bar vjs-slider-bar'
+    }, {
+      'aria-label': 'volume level'
+    });
+  };
+
+  /**
+   * Handle movement events on the {@link VolumeMenuButton}.
+   *
+   * @param {EventTarget~Event} event
+   *        The event that caused this function to run.
+   *
+   * @listens mousemove
+   */
+
+
+  VolumeBar.prototype.handleMouseMove = function handleMouseMove(event) {
+    this.checkMuted();
+    this.player_.volume(this.calculateDistance(event));
+  };
+
+  /**
+   * If the player is muted unmute it.
+   */
+
+
+  VolumeBar.prototype.checkMuted = function checkMuted() {
+    if (this.player_.muted()) {
+      this.player_.muted(false);
+    }
+  };
+
+  /**
+   * Get percent of volume level
+   *
+   * @return {number}
+   *         Volume level percent as a decimal number.
+   */
+
+
+  VolumeBar.prototype.getPercent = function getPercent() {
+    if (this.player_.muted()) {
+      return 0;
+    }
+    return this.player_.volume();
+  };
+
+  /**
+   * Increase volume level for keyboard users
+   */
+
+
+  VolumeBar.prototype.stepForward = function stepForward() {
+    this.checkMuted();
+    this.player_.volume(this.player_.volume() + 0.1);
+  };
+
+  /**
+   * Decrease volume level for keyboard users
+   */
+
+
+  VolumeBar.prototype.stepBack = function stepBack() {
+    this.checkMuted();
+    this.player_.volume(this.player_.volume() - 0.1);
+  };
+
+  /**
+   * Update ARIA accessibility attributes
+   *
+   * @param {EventTarget~Event} [event]
+   *        The `volumechange` event that caused this function to run.
+   *
+   * @listens Player#volumechange
+   */
+
+
+  VolumeBar.prototype.updateARIAAttributes = function updateARIAAttributes(event) {
+    // Current value of volume bar as a percentage
+    var volume = (this.player_.volume() * 100).toFixed(2);
+
+    this.el_.setAttribute('aria-valuenow', volume);
+    this.el_.setAttribute('aria-valuetext', volume + '%');
+  };
+
+  return VolumeBar;
+}(_slider2['default']);
+
+/**
+ * Default options for the `VolumeBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+VolumeBar.prototype.options_ = {
+  children: ['volumeLevel'],
+  barName: 'volumeLevel'
+};
+
+/**
+ * Call the update event for this Slider when this event happens on the player.
+ *
+ * @type {string}
+ */
+VolumeBar.prototype.playerEvent = 'volumechange';
+
+_component2['default'].registerComponent('VolumeBar', VolumeBar);
+exports['default'] = VolumeBar;