mastodon/app/javascript/flavours/glitch/components/media_gallery.js

434 lines
13 KiB
JavaScript

import React from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import PropTypes from 'prop-types';
import { is } from 'immutable';
import IconButton from './icon_button';
import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
import { isIOS } from 'flavours/glitch/util/is_mobile';
import classNames from 'classnames';
import { autoPlayGif, displayMedia } from 'flavours/glitch/util/initial_state';
import { decode } from 'blurhash';
const messages = defineMessages({
hidden: {
defaultMessage: 'Media hidden',
id: 'status.media_hidden',
},
sensitive: {
defaultMessage: 'Sensitive',
id: 'media_gallery.sensitive',
},
toggle: {
defaultMessage: 'Click to view',
id: 'status.sensitive_toggle',
},
toggle_visible: {
defaultMessage: 'Toggle visibility',
id: 'media_gallery.toggle_visible',
},
warning: {
defaultMessage: 'Sensitive content',
id: 'status.sensitive_warning',
},
});
class Item extends React.PureComponent {
static propTypes = {
attachment: ImmutablePropTypes.map.isRequired,
standalone: PropTypes.bool,
index: PropTypes.number.isRequired,
size: PropTypes.number.isRequired,
letterbox: PropTypes.bool,
onClick: PropTypes.func.isRequired,
displayWidth: PropTypes.number,
visible: PropTypes.bool.isRequired,
};
static defaultProps = {
standalone: false,
index: 0,
size: 1,
};
state = {
loaded: false,
};
handleMouseEnter = (e) => {
if (this.hoverToPlay()) {
e.target.play();
} else if (this.hoverToPlayClassicGif()) {
const { attachment } = this.props;
e.target.src = attachment.get('url');
}
}
handleMouseLeave = (e) => {
if (this.hoverToPlay()) {
e.target.pause();
e.target.currentTime = 0;
} else if (this.hoverToPlayClassicGif()) {
const { attachment } = this.props;
e.target.src = attachment.get('preview_url');
}
}
hoverToPlay () {
const { attachment } = this.props;
return !autoPlayGif && attachment.get('type') === 'gifv';
}
hoverToPlayClassicGif () {
const { attachment } = this.props;
return !autoPlayGif && (
attachment.get('type') === 'image' &&
attachment.get('url').split('.').pop().startsWith('gif')
);
}
handleClick = (e) => {
const { index, onClick } = this.props;
if (e.button === 0 && !(e.ctrlKey || e.metaKey)) {
if (this.hoverToPlay()) {
e.target.pause();
e.target.currentTime = 0;
} else if (this.hoverToPlayClassicGif()) {
const { attachment } = this.props;
e.target.src = attachment.get('preview_url');
}
e.preventDefault();
onClick(index);
}
e.stopPropagation();
}
componentDidMount () {
if (this.props.attachment.get('blurhash')) {
this._decode();
}
}
componentDidUpdate (prevProps) {
if (prevProps.attachment.get('blurhash') !== this.props.attachment.get('blurhash') && this.props.attachment.get('blurhash')) {
this._decode();
}
}
_decode () {
const hash = this.props.attachment.get('blurhash');
const pixels = decode(hash, 32, 32);
if (pixels) {
const ctx = this.canvas.getContext('2d');
const imageData = new ImageData(pixels, 32, 32);
ctx.putImageData(imageData, 0, 0);
}
}
setCanvasRef = c => {
this.canvas = c;
}
handleImageLoad = () => {
this.setState({ loaded: true });
}
render () {
const { attachment, index, size, standalone, letterbox, displayWidth, visible } = this.props;
let width = 50;
let height = 100 / Math.ceil(size/2);
if (size === 1 || size % 2 == 1 && index == 0) {
width = 100;
}
let thumbnail = '';
if (attachment.get('type') === 'unknown') {
return (
<div className={classNames('media-gallery__item', { standalone })} key={attachment.get('id')} style={{ left: left, top: top, right: right, bottom: bottom, width: `${width}%`, height: `${height}%` }}>
<a className='media-gallery__item-thumbnail' href={attachment.get('remote_url')} target='_blank' style={{ cursor: 'pointer' }}>
<canvas width={32} height={32} ref={this.setCanvasRef} className='media-gallery__preview' />
</a>
</div>
);
} else 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 hasSize = typeof originalWidth === 'number' && typeof previewWidth === 'number';
const srcSet = hasSize ? `${originalUrl} ${originalWidth}w, ${previewUrl} ${previewWidth}w` : null;
const sizes = hasSize && (displayWidth > 0) ? `${displayWidth * (width / 100)}px` : null;
const focusX = attachment.getIn(['meta', 'focus', 'x']) || 0;
const focusY = attachment.getIn(['meta', 'focus', 'y']) || 0;
const x = ((focusX / 2) + .5) * 100;
const y = ((focusY / -2) + .5) * 100;
const isGif = originalUrl.split('.').pop().startsWith('gif');
const autoPlay = !isIOS() && autoPlayGif;
if (isGif && !autoPlay) {
thumbnail = (
<a
className='media-gallery__item-thumbnail'
href={attachment.get('remote_url') || originalUrl}
onClick={this.handleClick}
target='_blank'
>
<img
className={letterbox ? 'letterbox' : null}
src={previewUrl}
sizes={sizes}
alt={attachment.get('description')}
title={attachment.get('description')}
style={{ objectPosition: letterbox ? null : `${x}% ${y}%` }}
onMouseEnter={this.handleMouseEnter}
onMouseLeave={this.handleMouseLeave}
onMouseDown={this.handleMouseDown}
onLoad={this.handleImageLoad}
/>
<span className='media-gallery__gifv__label'>GIF</span>
</a>
);
} else {
thumbnail = (
<a
className='media-gallery__item-thumbnail'
href={attachment.get('remote_url') || originalUrl}
onClick={this.handleClick}
target='_blank'
>
<img
className={letterbox ? 'letterbox' : null}
src={previewUrl}
srcSet={srcSet}
sizes={sizes}
alt={attachment.get('description')}
title={attachment.get('description')}
style={{ objectPosition: letterbox ? null : `${x}% ${y}%` }}
onLoad={this.handleImageLoad}
/>
</a>
);
}
} else if (attachment.get('type') === 'gifv') {
const autoPlay = !isIOS() && autoPlayGif;
thumbnail = (
<div className={classNames('media-gallery__gifv', { autoplay: autoPlay })}>
<video
className={`media-gallery__item-gifv-thumbnail${letterbox ? ' letterbox' : ''}`}
aria-label={attachment.get('description')}
title={attachment.get('description')}
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={classNames('media-gallery__item', { standalone, letterbox })} key={attachment.get('id')} style={{ width: `${width}%`, height: `${height}%` }}>
<canvas width={32} height={32} ref={this.setCanvasRef} className={classNames('media-gallery__preview', { 'media-gallery__preview--hidden': visible && this.state.loaded })} />
{visible && thumbnail}
</div>
);
}
}
@injectIntl
export default class MediaGallery extends React.PureComponent {
static propTypes = {
sensitive: PropTypes.bool,
revealed: PropTypes.bool,
standalone: PropTypes.bool,
letterbox: PropTypes.bool,
fullwidth: PropTypes.bool,
hidden: PropTypes.bool,
media: ImmutablePropTypes.list.isRequired,
size: PropTypes.object,
onOpenMedia: PropTypes.func.isRequired,
intl: PropTypes.object.isRequired,
defaultWidth: PropTypes.number,
cacheWidth: PropTypes.func,
};
static defaultProps = {
standalone: false,
};
state = {
visible: this.props.revealed === undefined ? (displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all') : this.props.revealed,
width: this.props.defaultWidth,
};
componentWillReceiveProps (nextProps) {
if (!is(nextProps.media, this.props.media) || nextProps.revealed === true) {
this.setState({ visible: nextProps.revealed === undefined ? (displayMedia !== 'hide_all' && !nextProps.sensitive || displayMedia === 'show_all') : nextProps.revealed });
}
}
componentDidUpdate (prevProps) {
if (this.node && this.node.offsetWidth && this.node.offsetWidth != this.state.width) {
this.setState({
width: this.node.offsetWidth,
});
}
}
handleOpen = () => {
this.setState({ visible: !this.state.visible });
}
handleClick = (index) => {
this.props.onOpenMedia(this.props.media, index);
}
handleRef = (node) => {
this.node = node;
if (node && node.offsetWidth && node.offsetWidth != this.state.width) {
if (this.props.cacheWidth) this.props.cacheWidth(node.offsetWidth);
this.setState({
width: node.offsetWidth,
});
}
}
isStandaloneEligible() {
const { media, standalone } = this.props;
return standalone && media.size === 1 && media.getIn([0, 'meta', 'small', 'aspect']);
}
render () {
const { media, intl, sensitive, letterbox, fullwidth, defaultWidth } = this.props;
const { visible } = this.state;
const size = media.take(6).size;
const width = this.state.width || defaultWidth;
let children, spoilerButton;
const style = {};
const computedClass = classNames('media-gallery', { 'full-width': fullwidth });
if (this.isStandaloneEligible() && width) {
style.height = width / this.props.media.getIn([0, 'meta', 'small', 'aspect']);
} else if (width) {
style.height = width / (16/9);
} else {
return (<div className={computedClass} ref={this.handleRef}></div>);
}
if (this.isStandaloneEligible()) {
children = <Item standalone onClick={this.handleClick} attachment={media.get(0)} displayWidth={width} visible={visible} />;
} else {
children = media.take(6).map((attachment, i) => <Item key={attachment.get('id')} onClick={this.handleClick} attachment={attachment} index={i} size={size} letterbox={letterbox} displayWidth={width} visible={visible} />);
}
if (visible) {
spoilerButton = <IconButton title={intl.formatMessage(messages.toggle_visible)} icon='eye-slash' overlay onClick={this.handleOpen} />;
} else {
spoilerButton = (
<button type='button' onClick={this.handleOpen} className='spoiler-button__overlay'>
<span className='spoiler-button__overlay__label'>{sensitive ? <FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' /> : <FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' />}</span>
</button>
);
}
let parts = {};
media.map(
(attachment, i) => {
if (attachment.get('description')) {
if (attachment.get('description') in parts) {
parts[attachment.get('description')].push([i, attachment.get('url'), attachment.get('id')]);
} else {
parts[attachment.get('description')] = [[i, attachment.get('url'), attachment.get('id')]];
}
}
}
);
let descriptions = Object.entries(parts).map(
part => {
let [desc, idx] = part;
if (idx.length == 1) {
let url = idx[0][1];
return (
<p key={idx[0][2]}>
<strong>
<a href={url} title={url} target='_blank' rel='nofollow noopener'>
Attachment #{1+idx[0][0]}
</a>
</strong>
{': '} {desc}
</p>
);
} else if (idx.length != 0) {
let c=0;
return (
<p key={idx[0][2]}>
<strong>
Attachments
{
idx.map(i => {
let url = i[1];
c++;
return (<span key={i[2]}>{c == 1 ? ' ' : ', '}<a href={url} title={url} target='_blank' rel='nofollow noopener'>#{1+i[0]}</a></span>);
})
}
</strong>
{': '} {desc}
</p>
);
}
}
);
return (
<React.Fragment>
<div className={computedClass} style={style} ref={this.handleRef}>
<div className={classNames('spoiler-button', { 'spoiler-button--minified': visible })}>
{spoilerButton}
{visible && sensitive && (
<span className='sensitive-marker'>
<FormattedMessage {...messages.sensitive} />
</span>
)}
</div>
{children}
</div>
<div className='media-caption'>
{descriptions}
</div>
</React.Fragment>
);
}
}