tootlab-mastodon/app/javascript/mastodon/features/account/components/domain_pill.tsx

import { useState, useRef, useCallback } from 'react';

import { FormattedMessage } from 'react-intl';

import classNames from 'classnames';

import Overlay from 'react-overlays/Overlay';

import AlternateEmailIcon from '@/material-icons/400-24px/alternate_email.svg?react';
import BadgeIcon from '@/material-icons/400-24px/badge.svg?react';
import GlobeIcon from '@/material-icons/400-24px/globe.svg?react';
import { Icon } from 'mastodon/components/icon';

export const DomainPill: React.FC<{
  domain: string;
  username: string;
  isSelf: boolean;
}> = ({ domain, username, isSelf }) => {
  const [open, setOpen] = useState(false);
  const [expanded, setExpanded] = useState(false);
  const triggerRef = useRef(null);

  const handleClick = useCallback(() => {
    setOpen(!open);
  }, [open, setOpen]);

  const handleExpandClick = useCallback(() => {
    setExpanded(!expanded);
  }, [expanded, setExpanded]);

  return (
    <>
      <button
        className={classNames('account__domain-pill', { active: open })}
        ref={triggerRef}
        onClick={handleClick}
      >
        {domain}
      </button>

      <Overlay
        show={open}
        rootClose
        onHide={handleClick}
        offset={[5, 5]}
        target={triggerRef}
      >
        {({ props }) => (
          <div
            {...props}
            className='account__domain-pill__popout dropdown-animation'
          >
            <div className='account__domain-pill__popout__header'>
              <div className='account__domain-pill__popout__header__icon'>
                <Icon id='' icon={BadgeIcon} />
              </div>
              <h3>
                <FormattedMessage
                  id='domain_pill.whats_in_a_handle'
                  defaultMessage="What's in a handle?"
                />
              </h3>
            </div>

            <div className='account__domain-pill__popout__handle'>
              <div className='account__domain-pill__popout__handle__label'>
                {isSelf ? (
                  <FormattedMessage
                    id='domain_pill.your_handle'
                    defaultMessage='Your handle:'
                  />
                ) : (
                  <FormattedMessage
                    id='domain_pill.their_handle'
                    defaultMessage='Their handle:'
                  />
                )}
              </div>
              <div className='account__domain-pill__popout__handle__handle'>
                @{username}@{domain}
              </div>
            </div>

            <div className='account__domain-pill__popout__parts'>
              <div>
                <div className='account__domain-pill__popout__parts__icon'>
                  <Icon id='' icon={AlternateEmailIcon} />
                </div>

                <div>
                  <h6>
                    <FormattedMessage
                      id='domain_pill.username'
                      defaultMessage='Username'
                    />
                  </h6>
                  <p>
                    {isSelf ? (
                      <FormattedMessage
                        id='domain_pill.your_username'
                        defaultMessage='Your unique identifier on this server. It’s possible to find users with the same username on different servers.'
                      />
                    ) : (
                      <FormattedMessage
                        id='domain_pill.their_username'
                        defaultMessage='Their unique identifier on their server. It’s possible to find users with the same username on different servers.'
                      />
                    )}
                  </p>
                </div>
              </div>

              <div>
                <div className='account__domain-pill__popout__parts__icon'>
                  <Icon id='' icon={GlobeIcon} />
                </div>

                <div>
                  <h6>
                    <FormattedMessage
                      id='domain_pill.server'
                      defaultMessage='Server'
                    />
                  </h6>
                  <p>
                    {isSelf ? (
                      <FormattedMessage
                        id='domain_pill.your_server'
                        defaultMessage='Your digital home, where all of your posts live. Don’t like this one? Transfer servers at any time and bring your followers, too.'
                      />
                    ) : (
                      <FormattedMessage
                        id='domain_pill.their_server'
                        defaultMessage='Their digital home, where all of their posts live.'
                      />
                    )}
                  </p>
                </div>
              </div>
            </div>

            <p>
              {isSelf ? (
                <FormattedMessage
                  id='domain_pill.who_you_are'
                  defaultMessage='Because your handle says who you are and where you are, people can interact with you across the social web of <button>ActivityPub-powered platforms</button>.'
                  values={{
                    button: (x) => (
                      <button
                        onClick={handleExpandClick}
                        className='link-button'
                      >
                        {x}
                      </button>
                    ),
                  }}
                />
              ) : (
                <FormattedMessage
                  id='domain_pill.who_they_are'
                  defaultMessage='Since handles say who someone is and where they are, you can interact with people across the social web of <button>ActivityPub-powered platforms</button>.'
                  values={{
                    button: (x) => (
                      <button
                        onClick={handleExpandClick}
                        className='link-button'
                      >
                        {x}
                      </button>
                    ),
                  }}
                />
              )}
            </p>

            {expanded && (
              <>
                <p>
                  <FormattedMessage
                    id='domain_pill.activitypub_like_language'
                    defaultMessage='ActivityPub is like the language Mastodon speaks with other social networks.'
                  />
                </p>
                <p>
                  <FormattedMessage
                    id='domain_pill.activitypub_lets_connect'
                    defaultMessage='It lets you connect and interact with people not just on Mastodon, but across different social apps too.'
                  />
                </p>
              </>
            )}
          </div>
        )}
      </Overlay>
    </>
  );
};