content: import React from 'react';
  import { connect } from 'react-redux';
  import ImmutablePropTypes from 'react-immutable-proptypes';
  import PropTypes from 'prop-types';
  import {
    fetchAccount,
    fetchAccountTimeline,
    expandAccountTimeline,
  } from '../../actions/accounts';
  import StatusList from '../../components/status_list';
  import LoadingIndicator from '../../components/loading_indicator';
  import Column from '../ui/components/column';
  import HeaderContainer from './containers/header_container';
  import ColumnBackButton from '../../components/column_back_button';
  import Immutable from 'immutable';
  import ImmutablePureComponent from 'react-immutable-pure-component';
  
  const mapStateToProps = (state, props) => ({
    statusIds: state.getIn(['timelines', 'accounts_timelines', Number(props.params.accountId), 'items'], Immutable.List()),
    isLoading: state.getIn(['timelines', 'accounts_timelines', Number(props.params.accountId), 'isLoading']),
    hasMore: !!state.getIn(['timelines', 'accounts_timelines', Number(props.params.accountId), 'next']),
    me: state.getIn(['meta', 'me']),
  });
  
  class AccountTimeline extends ImmutablePureComponent {
  
    static propTypes = {
      params: PropTypes.object.isRequired,
      dispatch: PropTypes.func.isRequired,
      statusIds: ImmutablePropTypes.list,
      isLoading: PropTypes.bool,
      hasMore: PropTypes.bool,
      me: PropTypes.number.isRequired,
    };
  
    componentWillMount () {
      this.props.dispatch(fetchAccount(Number(this.props.params.accountId)));
      this.props.dispatch(fetchAccountTimeline(Number(this.props.params.accountId)));
    }
  
    componentWillReceiveProps (nextProps) {
      if (nextProps.params.accountId !== this.props.params.accountId && nextProps.params.accountId) {
        this.props.dispatch(fetchAccount(Number(nextProps.params.accountId)));
        this.props.dispatch(fetchAccountTimeline(Number(nextProps.params.accountId)));
      }
    }
  
    handleScrollToBottom = () => {
      if (!this.props.isLoading && this.props.hasMore) {
        this.props.dispatch(expandAccountTimeline(Number(this.props.params.accountId)));
      }
    }
  
    render () {
      const { statusIds, isLoading, hasMore, me } = this.props;
  
      if (!statusIds && isLoading) {
        return (
          <Column>
            <LoadingIndicator />
          </Column>
        );
      }
  
      return (
        <Column>
          <ColumnBackButton />
  
          <StatusList
            prepend={<HeaderContainer accountId={this.props.params.accountId} />}
            scrollKey='account_timeline'
            statusIds={statusIds}
            isLoading={isLoading}
            hasMore={hasMore}
            me={me}
            onScrollToBottom={this.handleScrollToBottom}
          />
        </Column>
      );
    }
  
  }
  
  export default connect(mapStateToProps)(AccountTimeline);
  