1 files changed, 313 insertions, 0 deletions
diff --git a/app/javascript/mastodon/components/status_content.jsx b/app/javascript/mastodon/components/status_content.jsx
new file mode 100644
index 000000000..fb953b9dd
--- /dev/null
+++ b/app/javascript/mastodon/components/status_content.jsx
@@ -0,0 +1,313 @@
+import React from 'react';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import { FormattedMessage, injectIntl } from 'react-intl';
+import { Link } from 'react-router-dom';
+import { connect } from 'react-redux';
+import classnames from 'classnames';
+import PollContainer from 'mastodon/containers/poll_container';
+import Icon from 'mastodon/components/icon';
+import { autoPlayGif, languages as preloadedLanguages } from 'mastodon/initial_state';
+
+const MAX_HEIGHT = 706; // 22px * 32 (+ 2px padding at the top)
+
+class TranslateButton extends React.PureComponent {
+
+  static propTypes = {
+    translation: ImmutablePropTypes.map,
+    onClick: PropTypes.func,
+  };
+
+  render () {
+    const { translation, onClick } = this.props;
+
+    if (translation) {
+      const language     = preloadedLanguages.find(lang => lang[0] === translation.get('detected_source_language'));
+      const languageName = language ? language[2] : translation.get('detected_source_language');
+      const provider     = translation.get('provider');
+
+      return (
+        <div className='translate-button'>
+          <div className='translate-button__meta'>
+            <FormattedMessage id='status.translated_from_with' defaultMessage='Translated from {lang} using {provider}' values={{ lang: languageName, provider }} />
+          </div>
+
+          <button className='link-button' onClick={onClick}>
+            <FormattedMessage id='status.show_original' defaultMessage='Show original' />
+          </button>
+        </div>
+      );
+    }
+
+    return (
+      <button className='status__content__read-more-button' onClick={onClick}>
+        <FormattedMessage id='status.translate' defaultMessage='Translate' />
+      </button>
+    );
+  }
+
+}
+
+const mapStateToProps = state => ({
+  languages: state.getIn(['server', 'translationLanguages', 'items']),
+});
+
+class StatusContent extends React.PureComponent {
+
+  static contextTypes = {
+    router: PropTypes.object,
+    identity: PropTypes.object,
+  };
+
+  static propTypes = {
+    status: ImmutablePropTypes.map.isRequired,
+    expanded: PropTypes.bool,
+    onExpandedToggle: PropTypes.func,
+    onTranslate: PropTypes.func,
+    onClick: PropTypes.func,
+    collapsable: PropTypes.bool,
+    onCollapsedToggle: PropTypes.func,
+    languages: ImmutablePropTypes.map,
+    intl: PropTypes.object,
+  };
+
+  state = {
+    hidden: true,
+  };
+
+  _updateStatusLinks () {
+    const node = this.node;
+
+    if (!node) {
+      return;
+    }
+
+    const { status, onCollapsedToggle } = this.props;
+    const links = node.querySelectorAll('a');
+
+    let link, mention;
+
+    for (var i = 0; i < links.length; ++i) {
+      link = links[i];
+
+      if (link.classList.contains('status-link')) {
+        continue;
+      }
+
+      link.classList.add('status-link');
+
+      mention = this.props.status.get('mentions').find(item => link.href === item.get('url'));
+
+      if (mention) {
+        link.addEventListener('click', this.onMentionClick.bind(this, mention), false);
+        link.setAttribute('title', mention.get('acct'));
+        link.setAttribute('href', `/@${mention.get('acct')}`);
+      } else if (link.textContent[0] === '#' || (link.previousSibling && link.previousSibling.textContent && link.previousSibling.textContent[link.previousSibling.textContent.length - 1] === '#')) {
+        link.addEventListener('click', this.onHashtagClick.bind(this, link.text), false);
+        link.setAttribute('href', `/tags/${link.text.slice(1)}`);
+      } else {
+        link.setAttribute('title', link.href);
+        link.classList.add('unhandled-link');
+      }
+    }
+
+    if (status.get('collapsed', null) === null && onCollapsedToggle) {
+      const { collapsable, onClick } = this.props;
+
+      const collapsed =
+          collapsable
+          && onClick
+          && node.clientHeight > MAX_HEIGHT
+          && status.get('spoiler_text').length === 0;
+
+      onCollapsedToggle(collapsed);
+    }
+  }
+
+  handleMouseEnter = ({ currentTarget }) => {
+    if (autoPlayGif) {
+      return;
+    }
+
+    const emojis = currentTarget.querySelectorAll('.custom-emoji');
+
+    for (var i = 0; i < emojis.length; i++) {
+      let emoji = emojis[i];
+      emoji.src = emoji.getAttribute('data-original');
+    }
+  };
+
+  handleMouseLeave = ({ currentTarget }) => {
+    if (autoPlayGif) {
+      return;
+    }
+
+    const emojis = currentTarget.querySelectorAll('.custom-emoji');
+
+    for (var i = 0; i < emojis.length; i++) {
+      let emoji = emojis[i];
+      emoji.src = emoji.getAttribute('data-static');
+    }
+  };
+
+  componentDidMount () {
+    this._updateStatusLinks();
+  }
+
+  componentDidUpdate () {
+    this._updateStatusLinks();
+  }
+
+  onMentionClick = (mention, e) => {
+    if (this.context.router && e.button === 0 && !(e.ctrlKey || e.metaKey)) {
+      e.preventDefault();
+      this.context.router.history.push(`/@${mention.get('acct')}`);
+    }
+  };
+
+  onHashtagClick = (hashtag, e) => {
+    hashtag = hashtag.replace(/^#/, '');
+
+    if (this.context.router && e.button === 0 && !(e.ctrlKey || e.metaKey)) {
+      e.preventDefault();
+      this.context.router.history.push(`/tags/${hashtag}`);
+    }
+  };
+
+  handleMouseDown = (e) => {
+    this.startXY = [e.clientX, e.clientY];
+  };
+
+  handleMouseUp = (e) => {
+    if (!this.startXY) {
+      return;
+    }
+
+    const [ startX, startY ] = this.startXY;
+    const [ deltaX, deltaY ] = [Math.abs(e.clientX - startX), Math.abs(e.clientY - startY)];
+
+    let element = e.target;
+    while (element) {
+      if (element.localName === 'button' || element.localName === 'a' || element.localName === 'label') {
+        return;
+      }
+      element = element.parentNode;
+    }
+
+    if (deltaX + deltaY < 5 && e.button === 0 && this.props.onClick) {
+      this.props.onClick();
+    }
+
+    this.startXY = null;
+  };
+
+  handleSpoilerClick = (e) => {
+    e.preventDefault();
+
+    if (this.props.onExpandedToggle) {
+      // The parent manages the state
+      this.props.onExpandedToggle();
+    } else {
+      this.setState({ hidden: !this.state.hidden });
+    }
+  };
+
+  handleTranslate = () => {
+    this.props.onTranslate();
+  };
+
+  setRef = (c) => {
+    this.node = c;
+  };
+
+  render () {
+    const { status, intl } = this.props;
+
+    const hidden = this.props.onExpandedToggle ? !this.props.expanded : this.state.hidden;
+    const renderReadMore = this.props.onClick && status.get('collapsed');
+    const contentLocale = intl.locale.replace(/[_-].*/, '');
+    const targetLanguages = this.props.languages?.get(status.get('language') || 'und');
+    const renderTranslate = this.props.onTranslate && this.context.identity.signedIn && ['public', 'unlisted'].includes(status.get('visibility')) && status.get('contentHtml').length > 0 && targetLanguages?.includes(contentLocale);
+
+    const content = { __html: status.get('translation') ? status.getIn(['translation', 'content']) : status.get('contentHtml') };
+    const spoilerContent = { __html: status.get('spoilerHtml') };
+    const lang = status.get('translation') ? intl.locale : status.get('language');
+    const classNames = classnames('status__content', {
+      'status__content--with-action': this.props.onClick && this.context.router,
+      'status__content--with-spoiler': status.get('spoiler_text').length > 0,
+      'status__content--collapsed': renderReadMore,
+    });
+
+    const readMoreButton = renderReadMore && (
+      <button className='status__content__read-more-button' onClick={this.props.onClick} key='read-more'>
+        <FormattedMessage id='status.read_more' defaultMessage='Read more' /><Icon id='angle-right' fixedWidth />
+      </button>
+    );
+
+    const translateButton = renderTranslate && (
+      <TranslateButton onClick={this.handleTranslate} translation={status.get('translation')} />
+    );
+
+    const poll = !!status.get('poll') && (
+      <PollContainer pollId={status.get('poll')} lang={status.get('language')} />
+    );
+
+    if (status.get('spoiler_text').length > 0) {
+      let mentionsPlaceholder = '';
+
+      const mentionLinks = status.get('mentions').map(item => (
+        <Link to={`/@${item.get('acct')}`} key={item.get('id')} className='status-link mention'>
+          @<span>{item.get('username')}</span>
+        </Link>
+      )).reduce((aggregate, item) => [...aggregate, item, ' '], []);
+
+      const toggleText = hidden ? <FormattedMessage id='status.show_more' defaultMessage='Show more' /> : <FormattedMessage id='status.show_less' defaultMessage='Show less' />;
+
+      if (hidden) {
+        mentionsPlaceholder = <div>{mentionLinks}</div>;
+      }
+
+      return (
+        <div className={classNames} ref={this.setRef} tabIndex={0} onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
+          <p style={{ marginBottom: hidden && status.get('mentions').isEmpty() ? '0px' : null }}>
+            <span dangerouslySetInnerHTML={spoilerContent} className='translate' lang={lang} />
+            {' '}
+            <button type='button' className={`status__content__spoiler-link ${hidden ? 'status__content__spoiler-link--show-more' : 'status__content__spoiler-link--show-less'}`} onClick={this.handleSpoilerClick} aria-expanded={!hidden}>{toggleText}</button>
+          </p>
+
+          {mentionsPlaceholder}
+
+          <div tabIndex={!hidden ? 0 : null} className={`status__content__text ${!hidden ? 'status__content__text--visible' : ''} translate`} lang={lang} dangerouslySetInnerHTML={content} />
+
+          {!hidden && poll}
+          {!hidden && translateButton}
+        </div>
+      );
+    } else if (this.props.onClick) {
+      return (
+        <>
+          <div className={classNames} ref={this.setRef} tabIndex={0} onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp} key='status-content' onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
+            <div className='status__content__text status__content__text--visible translate' lang={lang} dangerouslySetInnerHTML={content} />
+
+            {poll}
+            {translateButton}
+          </div>
+
+          {readMoreButton}
+        </>
+      );
+    } else {
+      return (
+        <div className={classNames} ref={this.setRef} tabIndex={0} onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
+          <div className='status__content__text status__content__text--visible translate' lang={lang} dangerouslySetInnerHTML={content} />
+
+          {poll}
+          {translateButton}
+        </div>
+      );
+    }
+  }
+
+}
+
+export default connect(mapStateToProps)(injectIntl(StatusContent));