import "core-js/modules/es.symbol";
import "core-js/modules/es.symbol.description";
import "core-js/modules/es.symbol.iterator";
import "core-js/modules/es.array.iterator";
import "core-js/modules/es.object.get-own-property-descriptor";
import "core-js/modules/es.object.get-prototype-of";
import "core-js/modules/es.object.set-prototype-of";
import "core-js/modules/es.object.to-string";
import "core-js/modules/es.reflect.get";
import "core-js/modules/es.string.iterator";
import "core-js/modules/web.dom-collections.iterator";

function _typeof(obj) { 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); }

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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } 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 _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }

function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }

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

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); }

import BasePlugin from './../_base';
import { registerPlugin } from './../../plugins';
/**
 * @private
 * @plugin InfiniteScroll
 * @class InfiniteScroll
 */

var InfiniteScroll =
/*#__PURE__*/
function (_BasePlugin) {
  _inherits(InfiniteScroll, _BasePlugin);

  function InfiniteScroll(hotInstance) {
    var _this;

    _classCallCheck(this, InfiniteScroll);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(InfiniteScroll).call(this, hotInstance));
    /**
     * Whether to load next page data
     */

    _this.lock_status = false;
    return _this;
  }
  /**
   * Check if plugin is enabled.
   *
   * @returns {Boolean}
   */


  _createClass(InfiniteScroll, [{
    key: "isEnabled",
    value: function isEnabled() {
      return true;
    }
    /**
     * Enable the plugin.
     */

  }, {
    key: "enablePlugin",
    value: function enablePlugin() {
      if (this.enabled) {
        return;
      }

      this.registerEvents();

      _get(_getPrototypeOf(InfiniteScroll.prototype), "enablePlugin", this).call(this);
    }
    /**
     * Updates the plugin to use the latest options you have specified.
     */

  }, {
    key: "updatePlugin",
    value: function updatePlugin() {
      _get(_getPrototypeOf(InfiniteScroll.prototype), "updatePlugin", this).call(this);
    }
    /**
     * Disable plugin for this Handsontable instance.
     */

  }, {
    key: "disablePlugin",
    value: function disablePlugin() {
      _get(_getPrototypeOf(InfiniteScroll.prototype), "disablePlugin", this).call(this);
    }
    /**
     * Register all necessary events.
     *
     * @private
     */

  }, {
    key: "registerEvents",
    value: function registerEvents() {
      var _this2 = this;

      this.addHook('afterScrollNextPage', function () {
        return _this2.onAfterScrollNextPage();
      });
      this.addHook('afterScrollTable', function (e) {
        return _this2.onAfterScrollTable(e);
      });
    }
    /**
     * Touch scroll listener.
     *
     * @private
     */

  }, {
    key: "onAfterScrollNextPage",
    value: function onAfterScrollNextPage() {
      if (this.lock_status) return;
      var onScrollNextPage = this.hot.getSettings().onScrollNextPage;

      if (onScrollNextPage && typeof onScrollNextPage === 'function') {
        onScrollNextPage();
      }
    }
  }, {
    key: "onAfterScrollTable",
    value: function onAfterScrollTable(e) {
      var onScrollTable = this.hot.getSettings().onScrollTable;

      if (onScrollTable && typeof onScrollTable === 'function') {
        onScrollTable(e);
      }
    }
    /**
     * set lock_status true
     */

  }, {
    key: "lock",
    value: function lock() {
      this.lock_status = true;
    }
    /**
    * set lock_status false
    */

  }, {
    key: "unlock",
    value: function unlock() {
      this.lock_status = false;
    }
  }]);

  return InfiniteScroll;
}(BasePlugin);

registerPlugin('infiniteScroll', InfiniteScroll);
export default InfiniteScroll;