diff options
Diffstat (limited to 'app/javascript/flavours/glitch/features/status/components/card.js')
-rw-r--r-- | app/javascript/flavours/glitch/features/status/components/card.js | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/features/status/components/card.js b/app/javascript/flavours/glitch/features/status/components/card.js new file mode 100644 index 000000000..03867e03a --- /dev/null +++ b/app/javascript/flavours/glitch/features/status/components/card.js @@ -0,0 +1,277 @@ +import React from 'react'; +import PropTypes from 'prop-types'; +import Immutable from 'immutable'; +import ImmutablePropTypes from 'react-immutable-proptypes'; +import { FormattedMessage } from 'react-intl'; +import punycode from 'punycode'; +import classnames from 'classnames'; +import { decode as decodeIDNA } from 'flavours/glitch/util/idna'; +import Icon from 'flavours/glitch/components/icon'; +import classNames from 'classnames'; +import { useBlurhash } from 'flavours/glitch/util/initial_state'; +import { decode } from 'blurhash'; + +const getHostname = url => { + const parser = document.createElement('a'); + parser.href = url; + return parser.hostname; +}; + +const trim = (text, len) => { + const cut = text.indexOf(' ', len); + + if (cut === -1) { + return text; + } + + return text.substring(0, cut) + (text.length > len ? '…' : ''); +}; + +const domParser = new DOMParser(); + +const addAutoPlay = html => { + const document = domParser.parseFromString(html, 'text/html').documentElement; + const iframe = document.querySelector('iframe'); + + if (iframe) { + if (iframe.src.indexOf('?') !== -1) { + iframe.src += '&'; + } else { + iframe.src += '?'; + } + + iframe.src += 'autoplay=1&auto_play=1'; + + // DOM parser creates html/body elements around original HTML fragment, + // so we need to get innerHTML out of the body and not the entire document + return document.querySelector('body').innerHTML; + } + + return html; +}; + +export default class Card extends React.PureComponent { + + static propTypes = { + card: ImmutablePropTypes.map, + maxDescription: PropTypes.number, + onOpenMedia: PropTypes.func.isRequired, + compact: PropTypes.bool, + defaultWidth: PropTypes.number, + cacheWidth: PropTypes.func, + sensitive: PropTypes.bool, + }; + + static defaultProps = { + maxDescription: 50, + compact: false, + }; + + state = { + width: this.props.defaultWidth || 280, + previewLoaded: false, + embedded: false, + revealed: !this.props.sensitive, + }; + + componentWillReceiveProps (nextProps) { + if (!Immutable.is(this.props.card, nextProps.card)) { + this.setState({ embedded: false, previewLoaded: false }); + } + if (this.props.sensitive !== nextProps.sensitive) { + this.setState({ revealed: !nextProps.sensitive }); + } + } + + componentDidMount () { + if (this.props.card && this.props.card.get('blurhash')) { + this._decode(); + } + } + + componentDidUpdate (prevProps) { + const { card } = this.props; + if (card.get('blurhash') && (!prevProps.card || prevProps.card.get('blurhash') !== card.get('blurhash'))) { + this._decode(); + } + } + + _decode () { + if (!useBlurhash) return; + + const hash = this.props.card.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); + } + } + + handlePhotoClick = () => { + const { card, onOpenMedia } = this.props; + + onOpenMedia( + Immutable.fromJS([ + { + type: 'image', + url: card.get('embed_url'), + description: card.get('title'), + meta: { + original: { + width: card.get('width'), + height: card.get('height'), + }, + }, + }, + ]), + 0, + ); + }; + + handleEmbedClick = () => { + const { card } = this.props; + + if (card.get('type') === 'photo') { + this.handlePhotoClick(); + } else { + this.setState({ embedded: true }); + } + } + + setRef = c => { + if (c) { + if (this.props.cacheWidth) this.props.cacheWidth(c.offsetWidth); + this.setState({ width: c.offsetWidth }); + } + } + + setCanvasRef = c => { + this.canvas = c; + } + + handleImageLoad = () => { + this.setState({ previewLoaded: true }); + } + + handleReveal = () => { + this.setState({ revealed: true }); + } + + renderVideo () { + const { card } = this.props; + const content = { __html: addAutoPlay(card.get('html')) }; + const { width } = this.state; + const ratio = card.get('width') / card.get('height'); + const height = width / ratio; + + return ( + <div + ref={this.setRef} + className='status-card__image status-card-video' + dangerouslySetInnerHTML={content} + style={{ height }} + /> + ); + } + + render () { + const { card, maxDescription, compact, defaultWidth } = this.props; + const { width, embedded, revealed } = this.state; + + if (card === null) { + return null; + } + + const provider = card.get('provider_name').length === 0 ? decodeIDNA(getHostname(card.get('url'))) : card.get('provider_name'); + const horizontal = (!compact && card.get('width') > card.get('height') && (card.get('width') + 100 >= width)) || card.get('type') !== 'link' || embedded; + const interactive = card.get('type') !== 'link'; + const className = classnames('status-card', { horizontal, compact, interactive }); + const title = interactive ? <a className='status-card__title' href={card.get('url')} title={card.get('title')} rel='noopener noreferrer' target='_blank'><strong>{card.get('title')}</strong></a> : <strong className='status-card__title' title={card.get('title')}>{card.get('title')}</strong>; + const ratio = card.get('width') / card.get('height'); + const height = (compact && !embedded) ? (width / (16 / 9)) : (width / ratio); + + const description = ( + <div className={classNames('status-card__content', { 'status-card__content--blurred': !revealed })}> + {title} + {!(horizontal || compact) && <p className='status-card__description'>{trim(card.get('description') || '', maxDescription)}</p>} + <span className='status-card__host'>{provider}</span> + </div> + ); + + let embed = ''; + let canvas = <canvas width={32} height={32} ref={this.setCanvasRef} className={classNames('status-card__image-preview', { 'status-card__image-preview--hidden' : revealed && this.state.previewLoaded })} />; + let thumbnail = <img src={card.get('image')} alt='' style={{ width: horizontal ? width : null, height: horizontal ? height : null, visibility: revealed ? null : 'hidden' }} onLoad={this.handleImageLoad} className='status-card__image-image' />; + let spoilerButton = ( + <button type='button' onClick={this.handleReveal} className='spoiler-button__overlay'> + <span className='spoiler-button__overlay__label'><FormattedMessage id='status.sensitive_warning' defaultMessage='Sensitive content' /></span> + </button> + ); + spoilerButton = ( + <div className={classNames('spoiler-button', { 'spoiler-button--minified': revealed })}> + {spoilerButton} + </div> + ); + + if (interactive) { + if (embedded) { + embed = this.renderVideo(); + } else { + let iconVariant = 'play'; + + if (card.get('type') === 'photo') { + iconVariant = 'search-plus'; + } + + embed = ( + <div className='status-card__image'> + {canvas} + {thumbnail} + + {revealed && ( + <div className='status-card__actions'> + <div> + <button onClick={this.handleEmbedClick}><Icon id={iconVariant} /></button> + {horizontal && <a href={card.get('url')} target='_blank' rel='noopener noreferrer'><Icon id='external-link' /></a>} + </div> + </div> + )} + {!revealed && spoilerButton} + </div> + ); + } + + return ( + <div className={className} ref={this.setRef}> + {embed} + {!compact && description} + </div> + ); + } else if (card.get('image')) { + embed = ( + <div className='status-card__image'> + {canvas} + {thumbnail} + {!revealed && spoilerButton} + </div> + ); + } else { + embed = ( + <div className='status-card__image'> + <Icon id='file-text' /> + {!revealed && spoilerButton} + </div> + ); + } + + return ( + <a href={card.get('url')} className={className} target='_blank' rel='noopener noreferrer' ref={this.setRef}> + {embed} + {description} + </a> + ); + } + +} |