content: import _extends from 'babel-runtime/helpers/extends';
  import _objectWithoutProperties from 'babel-runtime/helpers/objectWithoutProperties';
  import _classCallCheck from 'babel-runtime/helpers/classCallCheck';
  import _possibleConstructorReturn from 'babel-runtime/helpers/possibleConstructorReturn';
  import _inherits from 'babel-runtime/helpers/inherits';
  import classNames from 'classnames';
  import React from 'react';
  import PropTypes from 'prop-types';
  import elementType from 'react-prop-types/lib/elementType';
  
  import { bsClass as setBsClass, prefix, splitBsPropsAndOmit } from './utils/bootstrapUtils';
  
  var propTypes = {
    componentClass: elementType,
  
    /**
     * Sets a default animation strategy for all children `<TabPane>`s. Use
     * `false` to disable, `true` to enable the default `<Fade>` animation or any
     * `<Transition>` component.
     */
    animation: PropTypes.oneOfType([PropTypes.bool, elementType]),
  
    /**
     * Wait until the first "enter" transition to mount tabs (add them to the DOM)
     */
    mountOnEnter: PropTypes.bool,
  
    /**
     * Unmount tabs (remove it from the DOM) when they are no longer visible
     */
    unmountOnExit: PropTypes.bool
  };
  
  var defaultProps = {
    componentClass: 'div',
    animation: true,
    mountOnEnter: false,
    unmountOnExit: false
  };
  
  var contextTypes = {
    $bs_tabContainer: PropTypes.shape({
      activeKey: PropTypes.any
    })
  };
  
  var childContextTypes = {
    $bs_tabContent: PropTypes.shape({
      bsClass: PropTypes.string,
      animation: PropTypes.oneOfType([PropTypes.bool, elementType]),
      activeKey: PropTypes.any,
      mountOnEnter: PropTypes.bool,
      unmountOnExit: PropTypes.bool,
      onPaneEnter: PropTypes.func.isRequired,
      onPaneExited: PropTypes.func.isRequired,
      exiting: PropTypes.bool.isRequired
    })
  };
  
  var TabContent = function (_React$Component) {
    _inherits(TabContent, _React$Component);
  
    function TabContent(props, context) {
      _classCallCheck(this, TabContent);
  
      var _this = _possibleConstructorReturn(this, _React$Component.call(this, props, context));
  
      _this.handlePaneEnter = _this.handlePaneEnter.bind(_this);
      _this.handlePaneExited = _this.handlePaneExited.bind(_this);
  
      // Active entries in state will be `null` unless `animation` is set. Need
      // to track active child in case keys swap and the active child changes
      // but the active key does not.
      _this.state = {
        activeKey: null,
        activeChild: null
      };
      return _this;
    }
  
    TabContent.prototype.getChildContext = function getChildContext() {
      var _props = this.props,
          bsClass = _props.bsClass,
          animation = _props.animation,
          mountOnEnter = _props.mountOnEnter,
          unmountOnExit = _props.unmountOnExit;
  
  
      var stateActiveKey = this.state.activeKey;
      var containerActiveKey = this.getContainerActiveKey();
  
      var activeKey = stateActiveKey != null ? stateActiveKey : containerActiveKey;
      var exiting = stateActiveKey != null && stateActiveKey !== containerActiveKey;
  
      return {
        $bs_tabContent: {
          bsClass: bsClass,
          animation: animation,
          activeKey: activeKey,
          mountOnEnter: mountOnEnter,
          unmountOnExit: unmountOnExit,
          onPaneEnter: this.handlePaneEnter,
          onPaneExited: this.handlePaneExited,
          exiting: exiting
        }
      };
    };
  
    TabContent.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
      if (!nextProps.animation && this.state.activeChild) {
        this.setState({ activeKey: null, activeChild: null });
      }
    };
  
    TabContent.prototype.componentWillUnmount = function componentWillUnmount() {
      this.isUnmounted = true;
    };
  
    TabContent.prototype.handlePaneEnter = function handlePaneEnter(child, childKey) {
      if (!this.props.animation) {
        return false;
      }
  
      // It's possible that this child should be transitioning out.
      if (childKey !== this.getContainerActiveKey()) {
        return false;
      }
  
      this.setState({
        activeKey: childKey,
        activeChild: child
      });
  
      return true;
    };
  
    TabContent.prototype.handlePaneExited = function handlePaneExited(child) {
      // This might happen as everything is unmounting.
      if (this.isUnmounted) {
        return;
      }
  
      this.setState(function (_ref) {
        var activeChild = _ref.activeChild;
  
        if (activeChild !== child) {
          return null;
        }
  
        return {
          activeKey: null,
          activeChild: null
        };
      });
    };
  
    TabContent.prototype.getContainerActiveKey = function getContainerActiveKey() {
      var tabContainer = this.context.$bs_tabContainer;
      return tabContainer && tabContainer.activeKey;
    };
  
    TabContent.prototype.render = function render() {
      var _props2 = this.props,
          Component = _props2.componentClass,
          className = _props2.className,
          props = _objectWithoutProperties(_props2, ['componentClass', 'className']);
  
      var _splitBsPropsAndOmit = splitBsPropsAndOmit(props, ['animation', 'mountOnEnter', 'unmountOnExit']),
          bsProps = _splitBsPropsAndOmit[0],
          elementProps = _splitBsPropsAndOmit[1];
  
      return React.createElement(Component, _extends({}, elementProps, {
        className: classNames(className, prefix(bsProps, 'content'))
      }));
    };
  
    return TabContent;
  }(React.Component);
  
  TabContent.propTypes = propTypes;
  TabContent.defaultProps = defaultProps;
  TabContent.contextTypes = contextTypes;
  TabContent.childContextTypes = childContextTypes;
  
  export default setBsClass('tab', TabContent);