chuckya/app/javascript/glitch/components/status/gallery/item.js
2017-10-11 22:02:24 +02:00

158 lines
3.9 KiB
JavaScript

// Package imports //
import React from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import PropTypes from 'prop-types';
// Mastodon imports //
import { isIOS } from '../../../../mastodon/is_mobile';
export default class StatusGalleryItem extends React.PureComponent {
static propTypes = {
attachment: ImmutablePropTypes.map.isRequired,
index: PropTypes.number.isRequired,
size: PropTypes.number.isRequired,
letterbox: PropTypes.bool,
onClick: PropTypes.func.isRequired,
autoPlayGif: PropTypes.bool.isRequired,
};
handleMouseEnter = (e) => {
if (this.hoverToPlay()) {
e.target.play();
}
}
handleMouseLeave = (e) => {
if (this.hoverToPlay()) {
e.target.pause();
e.target.currentTime = 0;
}
}
hoverToPlay () {
const { attachment, autoPlayGif } = this.props;
return !autoPlayGif && attachment.get('type') === 'gifv';
}
handleClick = (e) => {
const { index, onClick } = this.props;
if (e.button === 0) {
e.preventDefault();
onClick(index);
}
e.stopPropagation();
}
render () {
const { attachment, index, size, letterbox } = this.props;
let width = 50;
let height = 100;
let top = 'auto';
let left = 'auto';
let bottom = 'auto';
let right = 'auto';
if (size === 1) {
width = 100;
}
if (size === 4 || (size === 3 && index > 0)) {
height = 50;
}
if (size === 2) {
if (index === 0) {
right = '2px';
} else {
left = '2px';
}
} else if (size === 3) {
if (index === 0) {
right = '2px';
} else if (index > 0) {
left = '2px';
}
if (index === 1) {
bottom = '2px';
} else if (index > 1) {
top = '2px';
}
} else if (size === 4) {
if (index === 0 || index === 2) {
right = '2px';
}
if (index === 1 || index === 3) {
left = '2px';
}
if (index < 2) {
bottom = '2px';
} else {
top = '2px';
}
}
let thumbnail = '';
if (attachment.get('type') === 'image') {
const previewUrl = attachment.get('preview_url');
const previewWidth = attachment.getIn(['meta', 'small', 'width']);
const originalUrl = attachment.get('url');
const originalWidth = attachment.getIn(['meta', 'original', 'width']);
const srcSet = `${originalUrl} ${originalWidth}w, ${previewUrl} ${previewWidth}w`;
const sizes = `(min-width: 1025px) ${320 * (width / 100)}px, ${width}vw`;
thumbnail = (
<a
className='media-gallery__item-thumbnail'
href={attachment.get('remote_url') || originalUrl}
onClick={this.handleClick}
target='_blank'
>
<img
className={letterbox ? 'letterbox' : ''}
src={previewUrl} srcSet={srcSet}
sizes={sizes}
alt={attachment.get('description')}
title={attachment.get('description')}
/>
</a>
);
} else if (attachment.get('type') === 'gifv') {
const autoPlay = !isIOS() && this.props.autoPlayGif;
thumbnail = (
<div className={`media-gallery__gifv ${autoPlay ? 'autoplay' : ''}`}>
<video
className={`media-gallery__item-gifv-thumbnail${letterbox ? ' letterbox' : ''}`}
role='application'
src={attachment.get('url')}
onClick={this.handleClick}
onMouseEnter={this.handleMouseEnter}
onMouseLeave={this.handleMouseLeave}
autoPlay={autoPlay}
loop
muted
/>
<span className='media-gallery__gifv__label'>GIF</span>
</div>
);
}
return (
<div className='media-gallery__item' key={attachment.get('id')} style={{ left: left, top: top, right: right, bottom: bottom, width: `${width}%`, height: `${height}%` }}>
{thumbnail}
</div>
);
}
}