content: import React from 'react';
  import ComposeFormContainer from './containers/compose_form_container';
  import NavigationContainer from './containers/navigation_container';
  import PropTypes from 'prop-types';
  import ImmutablePropTypes from 'react-immutable-proptypes';
  import { connect } from 'react-redux';
  import { mountCompose, unmountCompose } from '../../actions/compose';
  import { Link } from 'react-router-dom';
  import { injectIntl, defineMessages } from 'react-intl';
  import SearchContainer from './containers/search_container';
  import Motion from '../ui/util/optional_motion';
  import spring from 'react-motion/lib/spring';
  import SearchResultsContainer from './containers/search_results_container';
  import { changeComposing } from '../../actions/compose';
  import { openModal } from 'mastodon/actions/modal';
  import elephantUIPlane from '../../../images/elephant_ui_plane.svg';
  import { mascot } from '../../initial_state';
  import Icon from 'mastodon/components/icon';
  import { logOut } from 'mastodon/utils/log_out';
  
  const messages = defineMessages({
    start: { id: 'getting_started.heading', defaultMessage: 'Getting started' },
    home_timeline: { id: 'tabs_bar.home', defaultMessage: 'Home' },
    notifications: { id: 'tabs_bar.notifications', defaultMessage: 'Notifications' },
    public: { id: 'navigation_bar.public_timeline', defaultMessage: 'Federated timeline' },
    community: { id: 'navigation_bar.community_timeline', defaultMessage: 'Local timeline' },
    preferences: { id: 'navigation_bar.preferences', defaultMessage: 'Preferences' },
    logout: { id: 'navigation_bar.logout', defaultMessage: 'Logout' },
    compose: { id: 'navigation_bar.compose', defaultMessage: 'Compose new toot' },
    logoutMessage: { id: 'confirmations.logout.message', defaultMessage: 'Are you sure you want to log out?' },
    logoutConfirm: { id: 'confirmations.logout.confirm', defaultMessage: 'Log out' },
  });
  
  const mapStateToProps = (state, ownProps) => ({
    columns: state.getIn(['settings', 'columns']),
    showSearch: ownProps.multiColumn ? state.getIn(['search', 'submitted']) && !state.getIn(['search', 'hidden']) : ownProps.isSearchPage,
  });
  
  export default @connect(mapStateToProps)
  @injectIntl
  class Compose extends React.PureComponent {
  
    static propTypes = {
      dispatch: PropTypes.func.isRequired,
      columns: ImmutablePropTypes.list.isRequired,
      multiColumn: PropTypes.bool,
      showSearch: PropTypes.bool,
      isSearchPage: PropTypes.bool,
      intl: PropTypes.object.isRequired,
    };
  
    componentDidMount () {
      const { isSearchPage } = this.props;
  
      if (!isSearchPage) {
        this.props.dispatch(mountCompose());
      }
    }
  
    componentWillUnmount () {
      const { isSearchPage } = this.props;
  
      if (!isSearchPage) {
        this.props.dispatch(unmountCompose());
      }
    }
  
    handleLogoutClick = e => {
      const { dispatch, intl } = this.props;
  
      e.preventDefault();
      e.stopPropagation();
  
      dispatch(openModal('CONFIRM', {
        message: intl.formatMessage(messages.logoutMessage),
        confirm: intl.formatMessage(messages.logoutConfirm),
        onConfirm: () => logOut(),
      }));
  
      return false;
    }
  
    onFocus = () => {
      this.props.dispatch(changeComposing(true));
    }
  
    onBlur = () => {
      this.props.dispatch(changeComposing(false));
    }
  
    render () {
      const { multiColumn, showSearch, isSearchPage, intl } = this.props;
  
      let header = '';
  
      if (multiColumn) {
        const { columns } = this.props;
        header = (
          <nav className='drawer__header'>
            <Link to='/getting-started' className='drawer__tab' title={intl.formatMessage(messages.start)} aria-label={intl.formatMessage(messages.start)}><Icon id='bars' fixedWidth /></Link>
            {!columns.some(column => column.get('id') === 'HOME') && (
              <Link to='/timelines/home' className='drawer__tab' title={intl.formatMessage(messages.home_timeline)} aria-label={intl.formatMessage(messages.home_timeline)}><Icon id='home' fixedWidth /></Link>
            )}
            {!columns.some(column => column.get('id') === 'NOTIFICATIONS') && (
              <Link to='/notifications' className='drawer__tab' title={intl.formatMessage(messages.notifications)} aria-label={intl.formatMessage(messages.notifications)}><Icon id='bell' fixedWidth /></Link>
            )}
            {!columns.some(column => column.get('id') === 'COMMUNITY') && (
              <Link to='/timelines/public/local' className='drawer__tab' title={intl.formatMessage(messages.community)} aria-label={intl.formatMessage(messages.community)}><Icon id='users' fixedWidth /></Link>
            )}
            {!columns.some(column => column.get('id') === 'PUBLIC') && (
              <Link to='/timelines/public' className='drawer__tab' title={intl.formatMessage(messages.public)} aria-label={intl.formatMessage(messages.public)}><Icon id='globe' fixedWidth /></Link>
            )}
            <a href='/settings/preferences' className='drawer__tab' title={intl.formatMessage(messages.preferences)} aria-label={intl.formatMessage(messages.preferences)}><Icon id='cog' fixedWidth /></a>
            <a href='/auth/sign_out' className='drawer__tab' title={intl.formatMessage(messages.logout)} aria-label={intl.formatMessage(messages.logout)} onClick={this.handleLogoutClick}><Icon id='sign-out' fixedWidth /></a>
          </nav>
        );
      }
  
      return (
        <div className='drawer' role='region' aria-label={intl.formatMessage(messages.compose)}>
          {header}
  
          {(multiColumn || isSearchPage) && <SearchContainer /> }
  
          <div className='drawer__pager'>
            {!isSearchPage && <div className='drawer__inner' onFocus={this.onFocus}>
              <NavigationContainer onClose={this.onBlur} />
  
              <ComposeFormContainer />
  
              <div className='drawer__inner__mastodon'>
                <img alt='' draggable='false' src={mascot || elephantUIPlane} />
              </div>
            </div>}
  
            <Motion defaultStyle={{ x: isSearchPage ? 0 : -100 }} style={{ x: spring(showSearch || isSearchPage ? 0 : -100, { stiffness: 210, damping: 20 }) }}>
              {({ x }) => (
                <div className='drawer__inner darker' style={{ transform: `translateX(${x}%)`, visibility: x === -100 ? 'hidden' : 'visible' }}>
                  <SearchResultsContainer />
                </div>
              )}
            </Motion>
          </div>
        </div>
      );
    }
  
  }
  