'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _propTypes = require('prop-types');

var _propTypes2 = _interopRequireDefault(_propTypes);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

var _Transition = require('react-transition-group/Transition');

var _Transition2 = _interopRequireDefault(_Transition);

var _utils = require('./utils');

var _CarouselCaption = require('./CarouselCaption');

var _CarouselCaption2 = _interopRequireDefault(_CarouselCaption);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

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; }

var CarouselItem = function (_React$Component) {
  _inherits(CarouselItem, _React$Component);

  function CarouselItem(props) {
    _classCallCheck(this, CarouselItem);

    var _this = _possibleConstructorReturn(this, (CarouselItem.__proto__ || Object.getPrototypeOf(CarouselItem)).call(this, props));

    _this.state = {
      startAnimation: false
    };

    _this.onEnter = _this.onEnter.bind(_this);
    _this.onEntering = _this.onEntering.bind(_this);
    _this.onExit = _this.onExit.bind(_this);
    _this.onExiting = _this.onExiting.bind(_this);
    _this.onExited = _this.onExited.bind(_this);
    return _this;
  }

  _createClass(CarouselItem, [{
    key: 'onEnter',
    value: function onEnter(node, isAppearing) {
      this.setState({ startAnimation: false });
      this.props.onEnter(node, isAppearing);
    }
  }, {
    key: 'onEntering',
    value: function onEntering(node, isAppearing) {
      // getting this variable triggers a reflow
      var offsetHeight = node.offsetHeight;
      this.setState({ startAnimation: true });
      this.props.onEntering(node, isAppearing);
      return offsetHeight;
    }
  }, {
    key: 'onExit',
    value: function onExit(node) {
      this.setState({ startAnimation: false });
      this.props.onExit(node);
    }
  }, {
    key: 'onExiting',
    value: function onExiting(node) {
      this.setState({ startAnimation: true });
      node.dispatchEvent(new CustomEvent('slide.bs.carousel'));
      this.props.onExiting(node);
    }
  }, {
    key: 'onExited',
    value: function onExited(node) {
      node.dispatchEvent(new CustomEvent('slid.bs.carousel'));
      this.props.onExited(node);
    }
  }, {
    key: 'render',
    value: function render() {
      var _this2 = this;

      var _props = this.props,
          src = _props.src,
          altText = _props.altText,
          isIn = _props.in,
          children = _props.children,
          cssModule = _props.cssModule,
          slide = _props.slide,
          Tag = _props.tag,
          className = _props.className,
          transitionProps = _objectWithoutProperties(_props, ['src', 'altText', 'in', 'children', 'cssModule', 'slide', 'tag', 'className']);

      var imgClasses = (0, _utils.mapToCssModules)((0, _classnames2.default)(className, 'd-block', 'img-fluid'), cssModule);

      return _react2.default.createElement(
        _Transition2.default,
        _extends({}, transitionProps, {
          enter: slide,
          exit: slide,
          'in': isIn,
          onEnter: this.onEnter,
          onEntering: this.onEntering,
          onExit: this.onExit,
          onExiting: this.onExiting,
          onExited: this.onExited
        }),
        function (status) {
          var direction = _this2.context.direction;

          var isActive = status === _utils.TransitionStatuses.ENTERED || status === _utils.TransitionStatuses.EXITING;
          var directionClassName = (status === _utils.TransitionStatuses.ENTERING || status === _utils.TransitionStatuses.EXITING) && _this2.state.startAnimation && (direction === 'right' ? 'carousel-item-left' : 'carousel-item-right');
          var orderClassName = status === _utils.TransitionStatuses.ENTERING && (direction === 'right' ? 'carousel-item-next' : 'carousel-item-prev');
          var itemClasses = (0, _utils.mapToCssModules)((0, _classnames2.default)('carousel-item', isActive && 'active', directionClassName, orderClassName), cssModule);

          return _react2.default.createElement(
            'div',
            { className: itemClasses },
            _react2.default.createElement(Tag, { className: imgClasses, src: src, alt: altText }),
            children
          );
        }
      );
    }
  }]);

  return CarouselItem;
}(_react2.default.Component);

CarouselItem.propTypes = _extends({}, _Transition2.default.propTypes, {
  tag: _propTypes2.default.oneOfType([_propTypes2.default.func, _propTypes2.default.string]),
  in: _propTypes2.default.bool,
  src: _propTypes2.default.string,
  altText: _propTypes2.default.string,
  cssModule: _propTypes2.default.object,
  children: _propTypes2.default.shape({
    type: _propTypes2.default.oneOf([_CarouselCaption2.default])
  }),
  slide: _propTypes2.default.bool,
  className: _propTypes2.default.string
});

CarouselItem.defaultProps = _extends({}, _Transition2.default.defaultProps, {
  tag: 'img',
  timeout: _utils.TransitionTimeouts.Carousel,
  slide: true
});

CarouselItem.contextTypes = {
  direction: _propTypes2.default.string
};

exports.default = CarouselItem;