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: 'Hide {number, plural, one {image} other {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> ); } }