"use strict";

var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };

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 React = _interopRequire(require("react"));

var classNames = _interopRequire(require("classnames"));

var TransitionEvents = _interopRequire(require("./utils/TransitionEvents"));

var TabPane = React.createClass({
  displayName: "TabPane",

  propTypes: {
    active: React.PropTypes.bool,
    animation: React.PropTypes.bool,
    onAnimateOutEnd: React.PropTypes.func
  },

  getDefaultProps: function getDefaultProps() {
    return {
      animation: true
    };
  },

  getInitialState: function getInitialState() {
    return {
      animateIn: false,
      animateOut: false
    };
  },

  componentWillReceiveProps: function componentWillReceiveProps(nextProps) {
    if (this.props.animation) {
      if (!this.state.animateIn && nextProps.active && !this.props.active) {
        this.setState({
          animateIn: true
        });
      } else if (!this.state.animateOut && !nextProps.active && this.props.active) {
        this.setState({
          animateOut: true
        });
      }
    }
  },

  componentDidUpdate: function componentDidUpdate() {
    if (this.state.animateIn) {
      setTimeout(this.startAnimateIn, 0);
    }
    if (this.state.animateOut) {
      TransitionEvents.addEndEventListener(React.findDOMNode(this), this.stopAnimateOut);
    }
  },

  startAnimateIn: function startAnimateIn() {
    if (this.isMounted()) {
      this.setState({
        animateIn: false
      });
    }
  },

  stopAnimateOut: function stopAnimateOut() {
    if (this.isMounted()) {
      this.setState({
        animateOut: false
      });

      if (this.props.onAnimateOutEnd) {
        this.props.onAnimateOutEnd();
      }
    }
  },

  render: function render() {
    var classes = {
      "tab-pane": true,
      fade: true,
      active: this.props.active || this.state.animateOut,
      "in": this.props.active && !this.state.animateIn
    };

    return React.createElement(
      "div",
      _extends({}, this.props, { className: classNames(this.props.className, classes) }),
      this.props.children
    );
  }
});

module.exports = TabPane;