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 { decode } from 'blurhash'; import { debounce } from 'lodash'; 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(); } 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, 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 (
); } 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 = ( {attachment.get('description')} ); } else if (attachment.get('type') === 'gifv') { const autoPlay = !isIOS() && this.getAutoPlay(); thumbnail = (
); } return (
{visible && thumbnail}
); } } 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 = ; } else { children = media.take(4).map((attachment, i) => ); } if (uncached) { spoilerButton = ( ); } else if (visible) { spoilerButton = ; } else { spoilerButton = ( ); } return (
{spoilerButton}
{children}
); } }