import PropTypes from 'prop-types'; import { defineMessages, injectIntl } from 'react-intl'; import classNames from 'classnames'; import ImmutablePropTypes from 'react-immutable-proptypes'; import ImmutablePureComponent from 'react-immutable-pure-component'; import ReactSwipeableViews from 'react-swipeable-views'; import ChevronLeftIcon from '@/material-icons/400-24px/chevron_left.svg?react'; import ChevronRightIcon from '@/material-icons/400-24px/chevron_right.svg?react'; import CloseIcon from '@/material-icons/400-24px/close.svg?react'; import { getAverageFromBlurhash } from 'mastodon/blurhash'; import { GIFV } from 'mastodon/components/gifv'; import { Icon } from 'mastodon/components/icon'; import { IconButton } from 'mastodon/components/icon_button'; import Footer from 'mastodon/features/picture_in_picture/components/footer'; import Video from 'mastodon/features/video'; import { disableSwiping } from 'mastodon/initial_state'; import ImageLoader from './image_loader'; const messages = defineMessages({ close: { id: 'lightbox.close', defaultMessage: 'Close' }, previous: { id: 'lightbox.previous', defaultMessage: 'Previous' }, next: { id: 'lightbox.next', defaultMessage: 'Next' }, }); class MediaModal extends ImmutablePureComponent { static propTypes = { media: ImmutablePropTypes.list.isRequired, statusId: PropTypes.string, lang: PropTypes.string, index: PropTypes.number.isRequired, onClose: PropTypes.func.isRequired, intl: PropTypes.object.isRequired, onChangeBackgroundColor: PropTypes.func.isRequired, currentTime: PropTypes.number, autoPlay: PropTypes.bool, volume: PropTypes.number, }; state = { index: null, navigationHidden: false, zoomButtonHidden: false, }; handleSwipe = (index) => { this.setState({ index: index % this.props.media.size }); }; handleTransitionEnd = () => { this.setState({ zoomButtonHidden: false, }); }; handleNextClick = () => { this.setState({ index: (this.getIndex() + 1) % this.props.media.size, zoomButtonHidden: true, }); }; handlePrevClick = () => { this.setState({ index: (this.props.media.size + this.getIndex() - 1) % this.props.media.size, zoomButtonHidden: true, }); }; handleChangeIndex = (e) => { const index = Number(e.currentTarget.getAttribute('data-index')); this.setState({ index: index % this.props.media.size, zoomButtonHidden: true, }); }; handleKeyDown = (e) => { switch(e.key) { case 'ArrowLeft': this.handlePrevClick(); e.preventDefault(); e.stopPropagation(); break; case 'ArrowRight': this.handleNextClick(); e.preventDefault(); e.stopPropagation(); break; } }; componentDidMount () { window.addEventListener('keydown', this.handleKeyDown, false); this._sendBackgroundColor(); } componentDidUpdate (prevProps, prevState) { if (prevState.index !== this.state.index) { this._sendBackgroundColor(); } } _sendBackgroundColor () { const { media, onChangeBackgroundColor } = this.props; const index = this.getIndex(); const blurhash = media.getIn([index, 'blurhash']); if (blurhash) { const backgroundColor = getAverageFromBlurhash(blurhash); onChangeBackgroundColor(backgroundColor); } } componentWillUnmount () { window.removeEventListener('keydown', this.handleKeyDown); this.props.onChangeBackgroundColor(null); } getIndex () { return this.state.index !== null ? this.state.index : this.props.index; } toggleNavigation = () => { this.setState(prevState => ({ navigationHidden: !prevState.navigationHidden, })); }; render () { const { media, statusId, lang, intl, onClose } = this.props; const { navigationHidden } = this.state; const index = this.getIndex(); const leftNav = media.size > 1 && <button tabIndex={0} className='media-modal__nav media-modal__nav--left' onClick={this.handlePrevClick} aria-label={intl.formatMessage(messages.previous)}><Icon id='chevron-left' icon={ChevronLeftIcon} /></button>; const rightNav = media.size > 1 && <button tabIndex={0} className='media-modal__nav media-modal__nav--right' onClick={this.handleNextClick} aria-label={intl.formatMessage(messages.next)}><Icon id='chevron-right' icon={ChevronRightIcon} /></button>; const content = media.map((image) => { const width = image.getIn(['meta', 'original', 'width']) || null; const height = image.getIn(['meta', 'original', 'height']) || null; const description = image.getIn(['translation', 'description']) || image.get('description'); if (image.get('type') === 'image') { return ( <ImageLoader previewSrc={image.get('preview_url')} src={image.get('url')} width={width} height={height} alt={description} lang={lang} key={image.get('url')} onClick={this.toggleNavigation} zoomButtonHidden={this.state.zoomButtonHidden} /> ); } else if (image.get('type') === 'video') { const { currentTime, autoPlay, volume } = this.props; return ( <Video preview={image.get('preview_url')} blurhash={image.get('blurhash')} src={image.get('url')} width={image.get('width')} height={image.get('height')} frameRate={image.getIn(['meta', 'original', 'frame_rate'])} aspectRatio={`${image.getIn(['meta', 'original', 'width'])} / ${image.getIn(['meta', 'original', 'height'])}`} currentTime={currentTime || 0} autoPlay={autoPlay || false} volume={volume || 1} onCloseVideo={onClose} detailed alt={description} lang={lang} key={image.get('url')} /> ); } else if (image.get('type') === 'gifv') { return ( <GIFV src={image.get('url')} width={width} height={height} key={image.get('url')} alt={description} lang={lang} onClick={this.toggleNavigation} /> ); } return null; }).toArray(); // you can't use 100vh, because the viewport height is taller // than the visible part of the document in some mobile // browsers when it's address bar is visible. // https://developers.google.com/web/updates/2016/12/url-bar-resizing const swipeableViewsStyle = { width: '100%', height: '100%', }; const containerStyle = { alignItems: 'center', // center vertically }; const navigationClassName = classNames('media-modal__navigation', { 'media-modal__navigation--hidden': navigationHidden, }); let pagination; if (media.size > 1) { pagination = media.map((item, i) => ( <button key={i} className={classNames('media-modal__page-dot', { active: i === index })} data-index={i} onClick={this.handleChangeIndex}> {i + 1} </button> )); } return ( <div className='modal-root__modal media-modal'> <div className='media-modal__closer' role='presentation' onClick={onClose} > <ReactSwipeableViews style={swipeableViewsStyle} containerStyle={containerStyle} onChangeIndex={this.handleSwipe} onTransitionEnd={this.handleTransitionEnd} index={index} disabled={disableSwiping} > {content} </ReactSwipeableViews> </div> <div className={navigationClassName}> <IconButton className='media-modal__close' title={intl.formatMessage(messages.close)} icon='times' iconComponent={CloseIcon} onClick={onClose} size={40} /> {leftNav} {rightNav} <div className='media-modal__overlay'> {pagination && <ul className='media-modal__pagination'>{pagination}</ul>} {statusId && <Footer statusId={statusId} withOpenButton onClose={onClose} />} </div> </div> </div> ); } } export default injectIntl(MediaModal);