336 lines
9.5 KiB
JavaScript
336 lines
9.5 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 '../is_mobile';
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import classNames from 'classnames';
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import { autoPlayGif, displaySensitiveMedia } from '../initial_state';
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const messages = defineMessages({
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toggle_visible: { id: 'media_gallery.toggle_visible', defaultMessage: 'Toggle visibility' },
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});
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const shiftToPoint = (containerToImageRatio, containerSize, imageSize, focusSize, toMinus) => {
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const containerCenter = Math.floor(containerSize / 2);
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const focusFactor = (focusSize + 1) / 2;
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const scaledImage = Math.floor(imageSize / containerToImageRatio);
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let focus = Math.floor(focusFactor * scaledImage);
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if (toMinus) focus = scaledImage - focus;
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let focusOffset = focus - containerCenter;
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const remainder = scaledImage - focus;
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const containerRemainder = containerSize - containerCenter;
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if (remainder < containerRemainder) focusOffset -= containerRemainder - remainder;
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if (focusOffset < 0) focusOffset = 0;
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return (focusOffset * -100 / containerSize) + '%';
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};
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class Item extends React.PureComponent {
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static contextTypes = {
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router: PropTypes.object,
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};
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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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onClick: PropTypes.func.isRequired,
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containerWidth: PropTypes.number,
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containerHeight: PropTypes.number,
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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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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 (this.context.router && e.button === 0) {
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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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render () {
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const { attachment, index, size, standalone, containerWidth, containerHeight } = 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') === '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 originalHeight = attachment.getIn(['meta', 'original', 'height']);
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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 ? `(min-width: 1025px) ${320 * (width / 100)}px, ${width}vw` : null;
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const focusX = attachment.getIn(['meta', 'focus', 'x']);
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const focusY = attachment.getIn(['meta', 'focus', 'y']);
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const imageStyle = {};
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if (originalWidth && originalHeight && containerWidth && containerHeight && focusX && focusY) {
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const widthRatio = originalWidth / (containerWidth * (width / 100));
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const heightRatio = originalHeight / (containerHeight * (height / 100));
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let hShift = 0;
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let vShift = 0;
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if (widthRatio > heightRatio) {
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hShift = shiftToPoint(heightRatio, (containerWidth * (width / 100)), originalWidth, focusX);
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} else if(widthRatio < heightRatio) {
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vShift = shiftToPoint(widthRatio, (containerHeight * (height / 100)), originalHeight, focusY, true);
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}
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if (originalWidth > originalHeight) {
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imageStyle.height = '100%';
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imageStyle.width = 'auto';
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} else {
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imageStyle.height = 'auto';
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imageStyle.width = '100%';
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}
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imageStyle.top = vShift;
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imageStyle.left = hShift;
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} else {
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imageStyle.height = '100%';
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}
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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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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={imageStyle}
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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'
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aria-label={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 })} key={attachment.get('id')} style={{ left: left, top: top, right: right, bottom: bottom, width: `${width}%`, height: `${height}%` }}>
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{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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media: ImmutablePropTypes.list.isRequired,
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size: PropTypes.object,
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height: PropTypes.number.isRequired,
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onOpenMedia: PropTypes.func.isRequired,
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intl: PropTypes.object.isRequired,
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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.sensitive || displaySensitiveMedia,
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};
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componentWillReceiveProps (nextProps) {
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if (!is(nextProps.media, this.props.media)) {
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this.setState({ visible: !nextProps.sensitive });
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}
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}
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handleOpen = () => {
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this.setState({ visible: !this.state.visible });
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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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if (node /*&& this.isStandaloneEligible()*/) {
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// offsetWidth triggers a layout, so only calculate when we need to
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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, height } = this.props;
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const { width, visible } = this.state;
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let children;
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const style = {};
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if (this.isStandaloneEligible()) {
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if (width) {
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style.height = width / this.props.media.getIn([0, 'meta', 'small', 'aspect']);
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}
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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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style.height = height;
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}
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if (!visible) {
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let warning;
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if (sensitive) {
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warning = <FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' />;
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} else {
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warning = <FormattedMessage id='status.media_hidden' defaultMessage='Media hidden' />;
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}
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children = (
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<button type='button' className='media-spoiler' onClick={this.handleOpen} style={style} ref={this.handleRef}>
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<span className='media-spoiler__warning'>{warning}</span>
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<span className='media-spoiler__trigger'><FormattedMessage id='status.sensitive_toggle' defaultMessage='Click to view' /></span>
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</button>
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);
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} else {
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const size = media.take(4).size;
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if (this.isStandaloneEligible()) {
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children = <Item standalone onClick={this.handleClick} attachment={media.get(0)} />;
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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} containerWidth={width} containerHeight={style.height} />);
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}
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}
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return (
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<div className='media-gallery' style={style} ref={this.handleRef}>
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<div className={classNames('spoiler-button', { 'spoiler-button--visible': visible })}>
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<IconButton title={intl.formatMessage(messages.toggle_visible)} icon={visible ? 'eye' : 'eye-slash'} overlay onClick={this.handleOpen} />
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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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