weseek__growi/packages/app/src/components/User/SeenUserInfo.jsx

// import React from 'react';
import PropTypes from 'prop-types';

import React, { useState } from 'react';
import {
  Button, Popover, PopoverBody,
} from 'reactstrap';
import { FootstampIcon } from '@growi/ui';
import UserPictureList from './UserPictureList';

import { withUnstatedContainers } from '../UnstatedUtils';

import PageContainer from '~/client/services/PageContainer';


/* eslint react/no-multi-comp: 0, react/prop-types: 0 */

const SeenUserInfo = (props) => {
  const [popoverOpen, setPopoverOpen] = useState(false);
  const toggle = () => setPopoverOpen(!popoverOpen);
  const { pageContainer, disabled } = props;
  return (
    <div className="grw-seen-user-info">
      <Button id="po-seen-user" color="link" className="px-2">
        <span className="mr-1 footstamp-icon">
          <FootstampIcon />
        </span>
        <span className="seen-user-count">{pageContainer.state.sumOfSeenUsers}</span>
      </Button>
      <Popover placement="bottom" isOpen={popoverOpen} target="po-seen-user" toggle={toggle} trigger="legacy" disabled={disabled}>
        <PopoverBody className="seen-user-popover">
          <div className="px-2 text-right user-list-content text-truncate text-muted">
            <UserPictureList users={pageContainer.state.seenUsers} />
          </div>
        </PopoverBody>
      </Popover>
    </div>
  );
};

SeenUserInfo.propTypes = {
  pageContainer: PropTypes.instanceOf(PageContainer).isRequired,
  disabled: PropTypes.bool,
};

/**
 * Wrapper component for using unstated
 */
const SeenUserInfoWrapper = withUnstatedContainers(SeenUserInfo, [PageContainer]);

export default (SeenUserInfoWrapper);