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- 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 '../is_mobile';
- import classNames from 'classnames';
- import { autoPlayGif, cropImages, displayMedia, useBlurhash } from '../initial_state';
- import { debounce } from 'lodash';
- import Blurhash from 'mastodon/components/blurhash';
- const messages = defineMessages({
- toggle_visible: { id: 'media_gallery.toggle_visible', defaultMessage: '{number, plural, one {Hide image} other {Hide images}}' },
- });
- class Item extends React.PureComponent {
- static propTypes = {
- attachment: ImmutablePropTypes.map.isRequired,
- standalone: PropTypes.bool,
- index: PropTypes.number.isRequired,
- size: PropTypes.number.isRequired,
- onClick: PropTypes.func.isRequired,
- displayWidth: PropTypes.number,
- visible: PropTypes.bool.isRequired,
- autoplay: PropTypes.bool,
- };
- static defaultProps = {
- standalone: false,
- index: 0,
- size: 1,
- };
- state = {
- loaded: false,
- };
- handleMouseEnter = (e) => {
- if (this.hoverToPlay()) {
- e.target.play();
- }
- }
- handleMouseLeave = (e) => {
- if (this.hoverToPlay()) {
- e.target.pause();
- e.target.currentTime = 0;
- }
- }
- getAutoPlay() {
- return this.props.autoplay || autoPlayGif;
- }
- hoverToPlay () {
- const { attachment } = this.props;
- return !this.getAutoPlay() && attachment.get('type') === 'gifv';
- }
- 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;
- }
- e.preventDefault();
- onClick(index);
- }
- e.stopPropagation();
- }
- handleImageLoad = () => {
- this.setState({ loaded: true });
- }
- render () {
- const { attachment, index, size, standalone, displayWidth, visible } = 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') === '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') || attachment.get('url')} style={{ cursor: 'pointer' }} title={attachment.get('description')} target='_blank' rel='noopener noreferrer'>
- <Blurhash
- hash={attachment.get('blurhash')}
- className='media-gallery__preview'
- dummy={!useBlurhash}
- />
- </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;
- thumbnail = (
- <a
- className='media-gallery__item-thumbnail'
- href={attachment.get('remote_url') || originalUrl}
- onClick={this.handleClick}
- target='_blank'
- rel='noopener noreferrer'
- >
- <img
- src={previewUrl}
- srcSet={srcSet}
- sizes={sizes}
- alt={attachment.get('description')}
- title={attachment.get('description')}
- style={{ objectPosition: `${x}% ${y}%` }}
- onLoad={this.handleImageLoad}
- />
- </a>
- );
- } else if (attachment.get('type') === 'gifv') {
- const autoPlay = !isIOS() && this.getAutoPlay();
- thumbnail = (
- <div className={classNames('media-gallery__gifv', { autoplay: autoPlay })}>
- <video
- className='media-gallery__item-gifv-thumbnail'
- aria-label={attachment.get('description')}
- title={attachment.get('description')}
- role='application'
- src={attachment.get('url')}
- onClick={this.handleClick}
- onMouseEnter={this.handleMouseEnter}
- onMouseLeave={this.handleMouseLeave}
- autoPlay={autoPlay}
- loop
- muted
- />
- <span className='media-gallery__gifv__label'>GIF</span>
- </div>
- );
- }
- return (
- <div className={classNames('media-gallery__item', { standalone })} key={attachment.get('id')} style={{ left: left, top: top, right: right, bottom: bottom, width: `${width}%`, height: `${height}%` }}>
- <Blurhash
- hash={attachment.get('blurhash')}
- dummy={!useBlurhash}
- className={classNames('media-gallery__preview', {
- 'media-gallery__preview--hidden': visible && this.state.loaded,
- })}
- />
- {visible && thumbnail}
- </div>
- );
- }
- }
- export default @injectIntl
- class MediaGallery extends React.PureComponent {
- static propTypes = {
- sensitive: PropTypes.bool,
- standalone: PropTypes.bool,
- media: ImmutablePropTypes.list.isRequired,
- size: PropTypes.object,
- height: PropTypes.number.isRequired,
- onOpenMedia: PropTypes.func.isRequired,
- intl: PropTypes.object.isRequired,
- defaultWidth: PropTypes.number,
- cacheWidth: PropTypes.func,
- visible: PropTypes.bool,
- autoplay: PropTypes.bool,
- onToggleVisibility: PropTypes.func,
- };
- static defaultProps = {
- standalone: false,
- };
- state = {
- visible: this.props.visible !== undefined ? this.props.visible : (displayMedia !== 'hide_all' && !this.props.sensitive || displayMedia === 'show_all'),
- width: this.props.defaultWidth,
- };
- componentDidMount () {
- window.addEventListener('resize', this.handleResize, { passive: true });
- }
- componentWillUnmount () {
- window.removeEventListener('resize', this.handleResize);
- }
- componentWillReceiveProps (nextProps) {
- if (!is(nextProps.media, this.props.media) && nextProps.visible === undefined) {
- this.setState({ visible: displayMedia !== 'hide_all' && !nextProps.sensitive || displayMedia === 'show_all' });
- } else if (!is(nextProps.visible, this.props.visible) && nextProps.visible !== undefined) {
- this.setState({ visible: nextProps.visible });
- }
- }
- handleResize = debounce(() => {
- if (this.node) {
- this._setDimensions();
- }
- }, 250, {
- trailing: true,
- });
- handleOpen = () => {
- if (this.props.onToggleVisibility) {
- this.props.onToggleVisibility();
- } else {
- this.setState({ visible: !this.state.visible });
- }
- }
- handleClick = (index) => {
- this.props.onOpenMedia(this.props.media, index);
- }
- handleRef = c => {
- this.node = c;
- if (this.node) {
- this._setDimensions();
- }
- }
- _setDimensions () {
- const width = this.node.offsetWidth;
- // offsetWidth triggers a layout, so only calculate when we need to
- if (this.props.cacheWidth) {
- this.props.cacheWidth(width);
- }
- this.setState({
- width: width,
- });
- }
- isFullSizeEligible() {
- const { media } = this.props;
- return media.size === 1 && media.getIn([0, 'meta', 'small', 'aspect']);
- }
- render () {
- const { media, intl, sensitive, height, defaultWidth, standalone, autoplay } = this.props;
- const { visible } = this.state;
- const width = this.state.width || defaultWidth;
- let children, spoilerButton;
- const style = {};
- if (this.isFullSizeEligible() && (standalone || !cropImages)) {
- if (width) {
- style.height = width / this.props.media.getIn([0, 'meta', 'small', 'aspect']);
- }
- } else if (width) {
- style.height = width / (16/9);
- } else {
- style.height = height;
- }
- const size = media.take(4).size;
- const uncached = media.every(attachment => attachment.get('type') === 'unknown');
- if (standalone && this.isFullSizeEligible()) {
- children = <Item standalone autoplay={autoplay} onClick={this.handleClick} attachment={media.get(0)} displayWidth={width} visible={visible} />;
- } else {
- children = media.take(4).map((attachment, i) => <Item key={attachment.get('id')} autoplay={autoplay} onClick={this.handleClick} attachment={attachment} index={i} size={size} displayWidth={width} visible={visible || uncached} />);
- }
- if (uncached) {
- spoilerButton = (
- <button type='button' disabled className='spoiler-button__overlay'>
- <span className='spoiler-button__overlay__label'><FormattedMessage id='status.uncached_media_warning' defaultMessage='Not available' /></span>
- </button>
- );
- } else if (visible) {
- spoilerButton = <IconButton title={intl.formatMessage(messages.toggle_visible, { number: size })} 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>
- );
- }
- return (
- <div className='media-gallery' style={style} ref={this.handleRef}>
- <div className={classNames('spoiler-button', { 'spoiler-button--minified': visible && !uncached, 'spoiler-button--click-thru': uncached })}>
- {spoilerButton}
- </div>
- {children}
- </div>
- );
- }
- }
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