Version 1
[yaffs-website] / node_modules / video.js / es5 / menu / menu.js
diff --git a/node_modules/video.js/es5/menu/menu.js b/node_modules/video.js/es5/menu/menu.js
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+'use strict';
+
+exports.__esModule = true;
+
+var _component = require('../component.js');
+
+var _component2 = _interopRequireDefault(_component);
+
+var _dom = require('../utils/dom.js');
+
+var Dom = _interopRequireWildcard(_dom);
+
+var _fn = require('../utils/fn.js');
+
+var Fn = _interopRequireWildcard(_fn);
+
+var _events = require('../utils/events.js');
+
+var Events = _interopRequireWildcard(_events);
+
+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 menu.js
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                */
+
+
+/**
+ * The Menu component is used to build popup menus, including subtitle and
+ * captions selection menus.
+ *
+ * @extends Component
+ */
+var Menu = function (_Component) {
+  _inherits(Menu, _Component);
+
+  /**
+   * Create an instance of this class.
+   *
+   * @param {Player} player
+   *        the player that this component should attach to
+   *
+   * @param {Object} [options]
+   *        Object of option names and values
+   *
+   */
+  function Menu(player, options) {
+    _classCallCheck(this, Menu);
+
+    var _this = _possibleConstructorReturn(this, _Component.call(this, player, options));
+
+    _this.focusedChild_ = -1;
+
+    _this.on('keydown', _this.handleKeyPress);
+    return _this;
+  }
+
+  /**
+   * Add a {@link MenuItem} to the menu.
+   *
+   * @param {Object|string} component
+   *        The name or instance of the `MenuItem` to add.
+   *
+   */
+
+
+  Menu.prototype.addItem = function addItem(component) {
+    this.addChild(component);
+    component.on('click', Fn.bind(this, function (event) {
+      this.unlockShowing();
+      // TODO: Need to set keyboard focus back to the menuButton
+    }));
+  };
+
+  /**
+   * Create the `Menu`s DOM element.
+   *
+   * @return {Element}
+   *         the element that was created
+   */
+
+
+  Menu.prototype.createEl = function createEl() {
+    var contentElType = this.options_.contentElType || 'ul';
+
+    this.contentEl_ = Dom.createEl(contentElType, {
+      className: 'vjs-menu-content'
+    });
+
+    this.contentEl_.setAttribute('role', 'menu');
+
+    var el = _Component.prototype.createEl.call(this, 'div', {
+      append: this.contentEl_,
+      className: 'vjs-menu'
+    });
+
+    el.setAttribute('role', 'presentation');
+    el.appendChild(this.contentEl_);
+
+    // Prevent clicks from bubbling up. Needed for Menu Buttons,
+    // where a click on the parent is significant
+    Events.on(el, 'click', function (event) {
+      event.preventDefault();
+      event.stopImmediatePropagation();
+    });
+
+    return el;
+  };
+
+  /**
+   * Handle a `keydown` event on this menu. This listener is added in the constructor.
+   *
+   * @param {EventTarget~Event} event
+   *        A `keydown` event that happened on the menu.
+   *
+   * @listens keydown
+   */
+
+
+  Menu.prototype.handleKeyPress = function handleKeyPress(event) {
+    // Left and Down Arrows
+    if (event.which === 37 || event.which === 40) {
+      event.preventDefault();
+      this.stepForward();
+
+      // Up and Right Arrows
+    } else if (event.which === 38 || event.which === 39) {
+      event.preventDefault();
+      this.stepBack();
+    }
+  };
+
+  /**
+   * Move to next (lower) menu item for keyboard users.
+   */
+
+
+  Menu.prototype.stepForward = function stepForward() {
+    var stepChild = 0;
+
+    if (this.focusedChild_ !== undefined) {
+      stepChild = this.focusedChild_ + 1;
+    }
+    this.focus(stepChild);
+  };
+
+  /**
+   * Move to previous (higher) menu item for keyboard users.
+   */
+
+
+  Menu.prototype.stepBack = function stepBack() {
+    var stepChild = 0;
+
+    if (this.focusedChild_ !== undefined) {
+      stepChild = this.focusedChild_ - 1;
+    }
+    this.focus(stepChild);
+  };
+
+  /**
+   * Set focus on a {@link MenuItem} in the `Menu`.
+   *
+   * @param {Object|string} [item=0]
+   *        Index of child item set focus on.
+   */
+
+
+  Menu.prototype.focus = function focus() {
+    var item = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
+
+    var children = this.children().slice();
+    var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);
+
+    if (haveTitle) {
+      children.shift();
+    }
+
+    if (children.length > 0) {
+      if (item < 0) {
+        item = 0;
+      } else if (item >= children.length) {
+        item = children.length - 1;
+      }
+
+      this.focusedChild_ = item;
+
+      children[item].el_.focus();
+    }
+  };
+
+  return Menu;
+}(_component2['default']);
+
+_component2['default'].registerComponent('Menu', Menu);
+exports['default'] = Menu;