catstodon/app/javascript/mastodon/features/status/components/card.jsx

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7.5 KiB
React
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import punycode from 'punycode';
import PropTypes from 'prop-types';
import { PureComponent } from 'react';
import { FormattedMessage } from 'react-intl';
import classNames from 'classnames';
import Immutable from 'immutable';
import ImmutablePropTypes from 'react-immutable-proptypes';
import DescriptionIcon from '@/material-icons/400-24px/description-fill.svg?react';
import OpenInNewIcon from '@/material-icons/400-24px/open_in_new.svg?react';
import PlayArrowIcon from '@/material-icons/400-24px/play_arrow-fill.svg?react';
import { Blurhash } from 'mastodon/components/blurhash';
import { Icon } from 'mastodon/components/icon';
import { RelativeTimestamp } from 'mastodon/components/relative_timestamp';
import { useBlurhash } from 'mastodon/initial_state';
const IDNA_PREFIX = 'xn--';
const decodeIDNA = domain => {
return domain
.split('.')
.map(part => part.indexOf(IDNA_PREFIX) === 0 ? punycode.decode(part.slice(IDNA_PREFIX.length)) : part)
.join('.');
};
const getHostname = url => {
const parser = document.createElement('a');
parser.href = url;
return parser.hostname;
};
const domParser = new DOMParser();
const addAutoPlay = html => {
const document = domParser.parseFromString(html, 'text/html').documentElement;
const iframe = document.querySelector('iframe');
if (iframe) {
if (iframe.src.indexOf('?') !== -1) {
iframe.src += '&';
} else {
iframe.src += '?';
}
iframe.src += 'autoplay=1&auto_play=1';
// DOM parser creates html/body elements around original HTML fragment,
// so we need to get innerHTML out of the body and not the entire document
return document.querySelector('body').innerHTML;
}
return html;
};
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export default class Card extends PureComponent {
static propTypes = {
card: ImmutablePropTypes.map,
onOpenMedia: PropTypes.func.isRequired,
sensitive: PropTypes.bool,
};
state = {
previewLoaded: false,
embedded: false,
revealed: !this.props.sensitive,
};
UNSAFE_componentWillReceiveProps (nextProps) {
if (!Immutable.is(this.props.card, nextProps.card)) {
this.setState({ embedded: false, previewLoaded: false });
}
if (this.props.sensitive !== nextProps.sensitive) {
this.setState({ revealed: !nextProps.sensitive });
}
}
componentDidMount () {
window.addEventListener('resize', this.handleResize, { passive: true });
}
componentWillUnmount () {
window.removeEventListener('resize', this.handleResize);
}
handleEmbedClick = () => {
this.setState({ embedded: true });
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};
handleExternalLinkClick = (e) => {
e.stopPropagation();
};
setRef = c => {
this.node = c;
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};
handleImageLoad = () => {
this.setState({ previewLoaded: true });
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};
handleReveal = e => {
e.preventDefault();
e.stopPropagation();
this.setState({ revealed: true });
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};
renderVideo () {
const { card } = this.props;
const content = { __html: addAutoPlay(card.get('html')) };
return (
<div
ref={this.setRef}
className='status-card__image status-card-video'
dangerouslySetInnerHTML={content}
style={{ aspectRatio: '16 / 9' }}
/>
);
}
render () {
const { card } = this.props;
const { embedded, revealed } = this.state;
if (card === null) {
return null;
}
const provider = card.get('provider_name').length === 0 ? decodeIDNA(getHostname(card.get('url'))) : card.get('provider_name');
const interactive = card.get('type') === 'video';
const language = card.get('language') || '';
const largeImage = (card.get('image')?.length > 0 && card.get('width') > card.get('height')) || interactive;
const description = (
<div className='status-card__content'>
<span className='status-card__host'>
<span lang={language}>{provider}</span>
{card.get('published_at') && <> · <RelativeTimestamp timestamp={card.get('published_at')} /></>}
</span>
<strong className='status-card__title' title={card.get('title')} lang={language}>{card.get('title')}</strong>
{card.get('author_name').length > 0 ? <span className='status-card__author'><FormattedMessage id='link_preview.author' defaultMessage='By {name}' values={{ name: <strong>{card.get('author_name')}</strong> }} /></span> : <span className='status-card__description' lang={language}>{card.get('description')}</span>}
</div>
);
const thumbnailStyle = {
visibility: revealed ? null : 'hidden',
};
if (largeImage && card.get('type') === 'video') {
thumbnailStyle.aspectRatio = `16 / 9`;
} else if (largeImage) {
thumbnailStyle.aspectRatio = '1.91 / 1';
} else {
thumbnailStyle.aspectRatio = 1;
}
let embed;
let canvas = (
<Blurhash
className={classNames('status-card__image-preview', {
'status-card__image-preview--hidden': revealed && this.state.previewLoaded,
})}
hash={card.get('blurhash')}
dummy={!useBlurhash}
/>
);
const thumbnailDescription = card.get('image_description');
const thumbnail = <img src={card.get('image')} alt={thumbnailDescription} title={thumbnailDescription} lang={language} style={thumbnailStyle} onLoad={this.handleImageLoad} className='status-card__image-image' />;
let spoilerButton = (
<button type='button' onClick={this.handleReveal} className='spoiler-button__overlay'>
<span className='spoiler-button__overlay__label'>
<FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' />
<span className='spoiler-button__overlay__action'><FormattedMessage id='status.media.show' defaultMessage='Click to show' /></span>
</span>
</button>
);
spoilerButton = (
<div className={classNames('spoiler-button', { 'spoiler-button--minified': revealed })}>
{spoilerButton}
</div>
);
if (interactive) {
if (embedded) {
embed = this.renderVideo();
} else {
embed = (
<div className='status-card__image'>
{canvas}
{thumbnail}
{revealed ? (
<div className='status-card__actions' onClick={this.handleEmbedClick} role='none'>
<div>
<button type='button' onClick={this.handleEmbedClick}><Icon id='play' icon={PlayArrowIcon} /></button>
<a href={card.get('url')} onClick={this.handleExternalLinkClick} target='_blank' rel='noopener noreferrer'><Icon id='external-link' icon={OpenInNewIcon} /></a>
</div>
</div>
) : spoilerButton}
</div>
);
}
return (
<div className={classNames('status-card', { expanded: largeImage })} ref={this.setRef} onClick={revealed ? null : this.handleReveal} role={revealed ? 'button' : null}>
{embed}
<a href={card.get('url')} target='_blank' rel='noopener noreferrer'>{description}</a>
</div>
);
} else if (card.get('image')) {
embed = (
<div className='status-card__image'>
{canvas}
{thumbnail}
</div>
);
} else {
embed = (
<div className='status-card__image'>
<Icon id='file-text' icon={DescriptionIcon} />
</div>
);
}
return (
<a href={card.get('url')} className={classNames('status-card', { expanded: largeImage })} target='_blank' rel='noopener noreferrer' ref={this.setRef}>
{embed}
{description}
</a>
);
}
}