'use strict';

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

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

var _objectWithoutProperties2 = require('babel-runtime/helpers/objectWithoutProperties');

var _objectWithoutProperties3 = _interopRequireDefault(_objectWithoutProperties2);

var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

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

var _propTypes2 = _interopRequireDefault(_propTypes);

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

var _Transition2 = _interopRequireDefault(_Transition);

var _withTheme = require('../styles/withTheme');

var _withTheme2 = _interopRequireDefault(_withTheme);

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

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

function getScale(value) {
  return 'scale(' + value + ', ' + Math.pow(value, 2) + ')';
} // @inheritedComponent Transition

var styles = {
  entering: {
    opacity: 1,
    transform: getScale(1)
  },
  entered: {
    opacity: 1,
    transform: getScale(1)
  }
};

/**
 * The Grow transition is used by the [Popover](/demos/popovers) component.
 * It uses [react-transition-group](https://github.com/reactjs/react-transition-group) internally.
 */

var Grow = function (_React$Component) {
  (0, _inherits3.default)(Grow, _React$Component);

  function Grow() {
    var _ref;

    var _temp, _this, _ret;

    (0, _classCallCheck3.default)(this, Grow);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    return _ret = (_temp = (_this = (0, _possibleConstructorReturn3.default)(this, (_ref = Grow.__proto__ || (0, _getPrototypeOf2.default)(Grow)).call.apply(_ref, [this].concat(args))), _this), _this.autoTimeout = undefined, _this.timer = null, _this.handleEnter = function (node) {
      var _this$props = _this.props,
          theme = _this$props.theme,
          timeout = _this$props.timeout;

      (0, _utils.reflow)(node); // So the animation always start from the start.

      var _getTransitionProps = (0, _utils.getTransitionProps)(_this.props, {
        mode: 'enter'
      }),
          transitionDuration = _getTransitionProps.duration,
          delay = _getTransitionProps.delay;

      var duration = 0;
      if (timeout === 'auto') {
        duration = theme.transitions.getAutoHeightDuration(node.clientHeight);
        _this.autoTimeout = duration;
      } else {
        duration = transitionDuration;
      }

      node.style.transition = [theme.transitions.create('opacity', {
        duration: duration,
        delay: delay
      }), theme.transitions.create('transform', {
        duration: duration * 0.666,
        delay: delay
      })].join(',');

      if (_this.props.onEnter) {
        _this.props.onEnter(node);
      }
    }, _this.handleExit = function (node) {
      var _this$props2 = _this.props,
          theme = _this$props2.theme,
          timeout = _this$props2.timeout;

      var duration = 0;

      var _getTransitionProps2 = (0, _utils.getTransitionProps)(_this.props, {
        mode: 'exit'
      }),
          transitionDuration = _getTransitionProps2.duration,
          delay = _getTransitionProps2.delay;

      if (timeout === 'auto') {
        duration = theme.transitions.getAutoHeightDuration(node.clientHeight);
        _this.autoTimeout = duration;
      } else {
        duration = transitionDuration;
      }

      node.style.transition = [theme.transitions.create('opacity', {
        duration: duration,
        delay: delay
      }), theme.transitions.create('transform', {
        duration: duration * 0.666,
        delay: delay || duration * 0.333
      })].join(',');

      node.style.opacity = '0';
      node.style.transform = getScale(0.75);

      if (_this.props.onExit) {
        _this.props.onExit(node);
      }
    }, _this.addEndListener = function (_, next) {
      if (_this.props.timeout === 'auto') {
        _this.timer = setTimeout(next, _this.autoTimeout || 0);
      }
    }, _temp), (0, _possibleConstructorReturn3.default)(_this, _ret);
  }

  (0, _createClass3.default)(Grow, [{
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      clearTimeout(this.timer);
    }
  }, {
    key: 'render',
    value: function render() {
      var _props = this.props,
          children = _props.children,
          onEnter = _props.onEnter,
          onExit = _props.onExit,
          styleProp = _props.style,
          theme = _props.theme,
          timeout = _props.timeout,
          other = (0, _objectWithoutProperties3.default)(_props, ['children', 'onEnter', 'onExit', 'style', 'theme', 'timeout']);


      var style = (0, _extends3.default)({}, styleProp, _react2.default.isValidElement(children) ? children.props.style : {});

      return _react2.default.createElement(
        _Transition2.default,
        (0, _extends3.default)({
          appear: true,
          onEnter: this.handleEnter,
          onExit: this.handleExit,
          addEndListener: this.addEndListener,
          timeout: timeout === 'auto' ? null : timeout
        }, other),
        function (state, childProps) {
          return _react2.default.cloneElement(children, (0, _extends3.default)({
            style: (0, _extends3.default)({
              opacity: 0,
              transform: getScale(0.75)
            }, styles[state], style)
          }, childProps));
        }
      );
    }
  }]);
  return Grow;
}(_react2.default.Component);

Grow.propTypes = process.env.NODE_ENV !== "production" ? {
  /**
   * A single child content element.
   */
  children: _propTypes2.default.oneOfType([_propTypes2.default.element, _propTypes2.default.func]),
  /**
   * If `true`, show the component; triggers the enter or exit animation.
   */
  in: _propTypes2.default.bool,
  /**
   * @ignore
   */
  onEnter: _propTypes2.default.func,
  /**
   * @ignore
   */
  onEntered: _propTypes2.default.func,
  /**
   * @ignore
   */
  onEntering: _propTypes2.default.func,
  /**
   * @ignore
   */
  onExit: _propTypes2.default.func,
  /**
   * @ignore
   */
  style: _propTypes2.default.object,
  /**
   * @ignore
   */
  theme: _propTypes2.default.object.isRequired,
  /**
   * The duration for the transition, in milliseconds.
   * You may specify a single timeout for all transitions, or individually with an object.
   *
   * Set to 'auto' to automatically calculate transition time based on height.
   */
  timeout: _propTypes2.default.oneOfType([_propTypes2.default.number, _propTypes2.default.shape({ enter: _propTypes2.default.number, exit: _propTypes2.default.number }), _propTypes2.default.oneOf(['auto'])])
} : {};

Grow.defaultProps = {
  timeout: 'auto'
};

exports.default = (0, _withTheme2.default)()(Grow);