"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _on = _interopRequireDefault(require("../misc/on"));

var _handles = _interopRequireDefault(require("./handles"));

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 _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function trackBlur(ToMix) {
  var TrackBlur = /*#__PURE__*/function (_ToMix) {
    _inherits(TrackBlur, _ToMix);

    var _super = _createSuper(TrackBlur);

    /**
     * Mix-in class to add an handler for losing focus.
     * @extends Handles
     * @param {HTMLElement} element The element working as this component.
     * @param {Object} [options] The component options.
     */
    function TrackBlur(element, options) {
      var _this;

      _classCallCheck(this, TrackBlur);

      _this = _super.call(this, element, options);
      var hasFocusin = ('onfocusin' in window);
      var focusinEventName = hasFocusin ? 'focusin' : 'focus';

      _this.manage((0, _on.default)(_this.element.ownerDocument, focusinEventName, function (event) {
        if (!_this.element.contains(event.target)) {
          _this.handleBlur(event);
        }
      }, !hasFocusin));

      return _this;
    }
    /**
     * The method called when this component loses focus.
     * @abstract
     */


    _createClass(TrackBlur, [{
      key: "handleBlur",
      value: function handleBlur() {
        throw new Error('Components inheriting TrackBlur mix-in must implement handleBlur() method.');
      }
    }]);

    return TrackBlur;
  }(ToMix);

  return TrackBlur;
}

var _exports = [_handles.default, trackBlur];
var _default = _exports;
exports.default = _default;