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381 lines
11 KiB
JavaScript
381 lines
11 KiB
JavaScript
import React from 'react';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import PropTypes from 'prop-types';
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import { is } from 'immutable';
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import IconButton from './icon_button';
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import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
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import { isIOS } from 'flavours/glitch/util/is_mobile';
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import classNames from 'classnames';
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import { autoPlayGif, displayMedia } from 'flavours/glitch/util/initial_state';
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import { decode } from 'blurhash';
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const messages = defineMessages({
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hidden: {
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defaultMessage: 'Media hidden',
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id: 'status.media_hidden',
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},
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sensitive: {
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defaultMessage: 'Sensitive',
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id: 'media_gallery.sensitive',
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},
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toggle: {
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defaultMessage: 'Click to view',
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id: 'status.sensitive_toggle',
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},
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toggle_visible: {
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defaultMessage: 'Toggle visibility',
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id: 'media_gallery.toggle_visible',
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},
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warning: {
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defaultMessage: 'Sensitive content',
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id: 'status.sensitive_warning',
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},
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});
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class Item extends React.PureComponent {
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static propTypes = {
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attachment: ImmutablePropTypes.map.isRequired,
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standalone: PropTypes.bool,
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index: PropTypes.number.isRequired,
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size: PropTypes.number.isRequired,
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letterbox: PropTypes.bool,
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onClick: PropTypes.func.isRequired,
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displayWidth: PropTypes.number,
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visible: PropTypes.bool.isRequired,
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};
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static defaultProps = {
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standalone: false,
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index: 0,
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size: 1,
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};
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state = {
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loaded: false,
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};
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handleMouseEnter = (e) => {
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if (this.hoverToPlay()) {
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e.target.play();
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}
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}
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handleMouseLeave = (e) => {
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if (this.hoverToPlay()) {
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e.target.pause();
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e.target.currentTime = 0;
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}
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}
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hoverToPlay () {
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const { attachment } = this.props;
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return !autoPlayGif && attachment.get('type') === 'gifv';
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}
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handleClick = (e) => {
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const { index, onClick } = this.props;
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if (e.button === 0 && !(e.ctrlKey || e.metaKey)) {
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if (this.hoverToPlay()) {
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e.target.pause();
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e.target.currentTime = 0;
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}
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e.preventDefault();
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onClick(index);
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}
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e.stopPropagation();
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}
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componentDidMount () {
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if (this.props.attachment.get('blurhash')) {
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this._decode();
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}
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}
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componentDidUpdate (prevProps) {
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if (prevProps.attachment.get('blurhash') !== this.props.attachment.get('blurhash') && this.props.attachment.get('blurhash')) {
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this._decode();
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}
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}
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_decode () {
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const hash = this.props.attachment.get('blurhash');
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const pixels = decode(hash, 32, 32);
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if (pixels) {
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const ctx = this.canvas.getContext('2d');
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const imageData = new ImageData(pixels, 32, 32);
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ctx.putImageData(imageData, 0, 0);
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}
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}
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setCanvasRef = c => {
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this.canvas = c;
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}
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handleImageLoad = () => {
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this.setState({ loaded: true });
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}
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render () {
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const { attachment, index, size, standalone, letterbox, displayWidth, visible } = this.props;
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let width = 50;
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let height = 100;
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let top = 'auto';
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let left = 'auto';
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let bottom = 'auto';
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let right = 'auto';
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if (size === 1) {
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width = 100;
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}
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if (size === 4 || (size === 3 && index > 0)) {
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height = 50;
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}
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if (size === 2) {
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if (index === 0) {
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right = '2px';
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} else {
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left = '2px';
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}
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} else if (size === 3) {
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if (index === 0) {
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right = '2px';
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} else if (index > 0) {
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left = '2px';
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}
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if (index === 1) {
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bottom = '2px';
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} else if (index > 1) {
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top = '2px';
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}
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} else if (size === 4) {
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if (index === 0 || index === 2) {
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right = '2px';
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}
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if (index === 1 || index === 3) {
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left = '2px';
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}
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if (index < 2) {
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bottom = '2px';
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} else {
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top = '2px';
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}
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}
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let thumbnail = '';
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if (attachment.get('type') === 'unknown') {
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return (
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<div className={classNames('media-gallery__item', { standalone })} key={attachment.get('id')} style={{ left: left, top: top, right: right, bottom: bottom, width: `${width}%`, height: `${height}%` }}>
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<a className='media-gallery__item-thumbnail' href={attachment.get('remote_url')} target='_blank' style={{ cursor: 'pointer' }}>
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<canvas width={32} height={32} ref={this.setCanvasRef} className='media-gallery__preview' />
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</a>
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</div>
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);
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} else if (attachment.get('type') === 'image') {
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const previewUrl = attachment.get('preview_url');
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const previewWidth = attachment.getIn(['meta', 'small', 'width']);
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const originalUrl = attachment.get('url');
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const originalWidth = attachment.getIn(['meta', 'original', 'width']);
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const hasSize = typeof originalWidth === 'number' && typeof previewWidth === 'number';
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const srcSet = hasSize ? `${originalUrl} ${originalWidth}w, ${previewUrl} ${previewWidth}w` : null;
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const sizes = hasSize && (displayWidth > 0) ? `${displayWidth * (width / 100)}px` : null;
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const focusX = attachment.getIn(['meta', 'focus', 'x']) || 0;
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const focusY = attachment.getIn(['meta', 'focus', 'y']) || 0;
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const x = ((focusX / 2) + .5) * 100;
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const y = ((focusY / -2) + .5) * 100;
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thumbnail = (
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<a
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className='media-gallery__item-thumbnail'
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href={attachment.get('remote_url') || originalUrl}
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onClick={this.handleClick}
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target='_blank'
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>
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<img
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className={letterbox ? 'letterbox' : null}
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src={previewUrl}
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srcSet={srcSet}
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sizes={sizes}
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alt={attachment.get('description')}
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title={attachment.get('description')}
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style={{ objectPosition: letterbox ? null : `${x}% ${y}%` }}
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onLoad={this.handleImageLoad}
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/>
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</a>
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);
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} else if (attachment.get('type') === 'gifv') {
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const autoPlay = !isIOS() && autoPlayGif;
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thumbnail = (
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<div className={classNames('media-gallery__gifv', { autoplay: autoPlay })}>
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<video
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className={`media-gallery__item-gifv-thumbnail${letterbox ? ' letterbox' : ''}`}
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aria-label={attachment.get('description')}
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title={attachment.get('description')}
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role='application'
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src={attachment.get('url')}
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onClick={this.handleClick}
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onMouseEnter={this.handleMouseEnter}
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onMouseLeave={this.handleMouseLeave}
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autoPlay={autoPlay}
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loop
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muted
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/>
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<span className='media-gallery__gifv__label'>GIF</span>
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</div>
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);
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}
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return (
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<div className={classNames('media-gallery__item', { standalone, letterbox })} key={attachment.get('id')} style={{ left: left, top: top, right: right, bottom: bottom, width: `${width}%`, height: `${height}%` }}>
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<canvas width={32} height={32} ref={this.setCanvasRef} className={classNames('media-gallery__preview', { 'media-gallery__preview--hidden': visible && this.state.loaded })} />
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{visible && thumbnail}
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</div>
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);
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}
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}
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@injectIntl
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export default class MediaGallery extends React.PureComponent {
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static propTypes = {
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sensitive: PropTypes.bool,
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standalone: PropTypes.bool,
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letterbox: PropTypes.bool,
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fullwidth: PropTypes.bool,
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hidden: PropTypes.bool,
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media: ImmutablePropTypes.list.isRequired,
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size: PropTypes.object,
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onOpenMedia: PropTypes.func.isRequired,
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intl: PropTypes.object.isRequired,
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defaultWidth: PropTypes.number,
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cacheWidth: PropTypes.func,
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visible: PropTypes.bool,
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onToggleVisibility: PropTypes.func,
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};
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static defaultProps = {
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standalone: false,
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};
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state = {
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visible: this.props.visible !== undefined ? this.props.visible : (displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all'),
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width: this.props.defaultWidth,
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};
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componentWillReceiveProps (nextProps) {
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if (!is(nextProps.media, this.props.media) && nextProps.visible === undefined) {
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this.setState({ visible: displayMedia !== 'hide_all' && !nextProps.sensitive || displayMedia === 'show_all' });
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} else if (!is(nextProps.visible, this.props.visible) && nextProps.visible !== undefined) {
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this.setState({ visible: nextProps.visible });
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}
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}
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componentDidUpdate (prevProps) {
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if (this.node && this.node.offsetWidth && this.node.offsetWidth != this.state.width) {
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this.setState({
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width: this.node.offsetWidth,
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});
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}
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}
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handleOpen = () => {
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if (this.props.onToggleVisibility) {
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this.props.onToggleVisibility();
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} else {
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this.setState({ visible: !this.state.visible });
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}
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}
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handleClick = (index) => {
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this.props.onOpenMedia(this.props.media, index);
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}
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handleRef = (node) => {
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this.node = node;
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if (node && node.offsetWidth && node.offsetWidth != this.state.width) {
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if (this.props.cacheWidth) this.props.cacheWidth(node.offsetWidth);
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this.setState({
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width: node.offsetWidth,
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});
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}
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}
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isStandaloneEligible() {
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const { media, standalone } = this.props;
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return standalone && media.size === 1 && media.getIn([0, 'meta', 'small', 'aspect']);
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}
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render () {
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const { media, intl, sensitive, letterbox, fullwidth, defaultWidth } = this.props;
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const { visible } = this.state;
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const size = media.take(4).size;
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const width = this.state.width || defaultWidth;
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let children, spoilerButton;
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const style = {};
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const computedClass = classNames('media-gallery', { 'full-width': fullwidth });
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if (this.isStandaloneEligible() && width) {
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style.height = width / this.props.media.getIn([0, 'meta', 'small', 'aspect']);
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} else if (width) {
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style.height = width / (16/9);
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} else {
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return (<div className={computedClass} ref={this.handleRef}></div>);
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}
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if (this.isStandaloneEligible()) {
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children = <Item standalone onClick={this.handleClick} attachment={media.get(0)} displayWidth={width} visible={visible} />;
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} else {
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children = media.take(4).map((attachment, i) => <Item key={attachment.get('id')} onClick={this.handleClick} attachment={attachment} index={i} size={size} letterbox={letterbox} displayWidth={width} visible={visible} />);
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}
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if (visible) {
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spoilerButton = <IconButton title={intl.formatMessage(messages.toggle_visible)} icon='eye-slash' overlay onClick={this.handleOpen} />;
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} else {
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spoilerButton = (
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<button type='button' onClick={this.handleOpen} className='spoiler-button__overlay'>
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<span className='spoiler-button__overlay__label'>{sensitive ? <FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' /> : <FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' />}</span>
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</button>
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);
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}
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return (
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<div className={computedClass} style={style} ref={this.handleRef}>
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<div className={classNames('spoiler-button', { 'spoiler-button--minified': visible })}>
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{spoilerButton}
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{visible && sensitive && (
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<span className='sensitive-marker'>
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<FormattedMessage {...messages.sensitive} />
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</span>
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)}
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</div>
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{children}
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</div>
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);
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}
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}
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