diff options
Diffstat (limited to 'app/javascript/flavours/glitch/components/media_gallery.js')
| -rw-r--r-- | app/javascript/flavours/glitch/components/media_gallery.js | 396 |
1 files changed, 396 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/components/media_gallery.js b/app/javascript/flavours/glitch/components/media_gallery.js new file mode 100644 index 000000000..9472e34bf --- /dev/null +++ b/app/javascript/flavours/glitch/components/media_gallery.js @@ -0,0 +1,396 @@ +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, useBlurhash } 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: 'Hide media', + 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, + 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(); + } + + 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 () { + if (!useBlurhash) return; + + 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; + 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'> + <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; + + thumbnail = ( + <a + className='media-gallery__item-thumbnail' + href={attachment.get('remote_url') || originalUrl} + onClick={this.handleClick} + target='_blank' + rel='noopener noreferrer' + > + <img + className={letterbox ? 'letterbox' : null} + src={previewUrl} + srcSet={srcSet} + sizes={sizes} + alt={attachment.get('description')} + title={attachment.get('description')} + style={{ objectPosition: letterbox ? null : `${x}% ${y}%` }} + onLoad={this.handleImageLoad} + /> + </a> + ); + } else if (attachment.get('type') === 'gifv') { + const autoPlay = !isIOS() && this.getAutoPlay(); + + thumbnail = ( + <div className={classNames('media-gallery__gifv', { autoplay: autoPlay })}> + <video + className={`media-gallery__item-gifv-thumbnail${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={{ left: left, top: top, right: right, bottom: bottom, 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> + ); + } + +} + +export default @injectIntl +class MediaGallery extends React.PureComponent { + + static propTypes = { + sensitive: 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, + 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, + }; + + 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 }); + } + } + + componentDidUpdate (prevProps) { + if (this.node && this.node.offsetWidth && this.node.offsetWidth != this.state.width) { + this.setState({ + width: this.node.offsetWidth, + }); + } + } + + 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 = (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, autoplay } = this.props; + const { visible } = this.state; + const size = media.take(4).size; + const uncached = media.every(attachment => attachment.get('type') === 'unknown'); + + 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 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} letterbox={letterbox} 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)} 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={computedClass} style={style} ref={this.handleRef}> + <div className={classNames('spoiler-button', { 'spoiler-button--minified': visible && !uncached, 'spoiler-button--click-thru': uncached })}> + {spoilerButton} + {visible && sensitive && ( + <span className='sensitive-marker'> + <FormattedMessage {...messages.sensitive} /> + </span> + )} + </div> + + {children} + </div> + ); + } + +} |