primevue/utils/ConnectedOverlayScrollHandler.js

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"use strict";

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

var _DomHandler = _interopRequireDefault(require("./DomHandler"));

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; }

var ConnectedOverlayScrollHandler = /*#__PURE__*/function () {
  function ConnectedOverlayScrollHandler(element) {
    var listener = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function () {};

    _classCallCheck(this, ConnectedOverlayScrollHandler);

    this.element = element;
    this.listener = listener;
  }

  _createClass(ConnectedOverlayScrollHandler, [{
    key: "bindScrollListener",
    value: function bindScrollListener() {
      this.scrollableParents = _DomHandler.default.getScrollableParents(this.element);

      for (var i = 0; i < this.scrollableParents.length; i++) {
        this.scrollableParents[i].addEventListener('scroll', this.listener);
      }
    }
  }, {
    key: "unbindScrollListener",
    value: function unbindScrollListener() {
      if (this.scrollableParents) {
        for (var i = 0; i < this.scrollableParents.length; i++) {
          this.scrollableParents[i].removeEventListener('scroll', this.listener);
        }
      }
    }
  }, {
    key: "destroy",
    value: function destroy() {
      this.unbindScrollListener();
      this.element = null;
      this.listener = null;
      this.scrollableParents = null;
    }
  }]);

  return ConnectedOverlayScrollHandler;
}();

exports.default = ConnectedOverlayScrollHandler;