hometown/app/javascript/mastodon/features/account_gallery/components/media_item.js

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import React from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import ImmutablePureComponent from 'react-immutable-pure-component';
import Permalink from '../../../components/permalink';
export default class MediaItem extends ImmutablePureComponent {
static propTypes = {
media: ImmutablePropTypes.map.isRequired,
};
render () {
const { media } = this.props;
const status = media.get('status');
const focusX = media.getIn(['meta', 'focus', 'x']);
const focusY = media.getIn(['meta', 'focus', 'y']);
const x = ((focusX / 2) + .5) * 100;
const y = ((focusY / -2) + .5) * 100;
const style = {};
let content;
if (media.get('type') === 'gifv') {
content = <span className='media-gallery__gifv__label'>GIF</span>;
}
if (!status.get('sensitive')) {
style.backgroundImage = `url(${media.get('preview_url')})`;
style.backgroundPosition = `${x}% ${y}%`;
}
return (
<div className='account-gallery__item'>
<Permalink to={`/statuses/${status.get('id')}`} href={status.get('url')} style={style}>
{content}
</Permalink>
</div>
);
}
}