import React from 'react'; import PropTypes from 'prop-types'; import ImmutablePropTypes from 'react-immutable-proptypes'; import ImmutablePureComponent from 'react-immutable-pure-component'; import Icon from 'mastodon/components/icon'; import { autoPlayGif, displayMedia } from 'mastodon/initial_state'; import classNames from 'classnames'; import { decode } from 'blurhash'; import { isIOS } from 'mastodon/is_mobile'; export default class MediaItem extends ImmutablePureComponent { static propTypes = { attachment: ImmutablePropTypes.map.isRequired, displayWidth: PropTypes.number.isRequired, onOpenMedia: PropTypes.func.isRequired, }; state = { visible: displayMedia !== 'hide_all' && !this.props.attachment.getIn(['status', 'sensitive']) || displayMedia === 'show_all', loaded: false, }; 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 () { 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 }); } handleMouseEnter = e => { if (this.hoverToPlay()) { e.target.play(); } } handleMouseLeave = e => { if (this.hoverToPlay()) { e.target.pause(); e.target.currentTime = 0; } } hoverToPlay () { return !autoPlayGif && ['gifv', 'video'].indexOf(this.props.attachment.get('type')) !== -1; } handleClick = e => { if (e.button === 0 && !(e.ctrlKey || e.metaKey)) { e.preventDefault(); if (this.state.visible) { this.props.onOpenMedia(this.props.attachment); } else { this.setState({ visible: true }); } } } render () { const { attachment, displayWidth } = this.props; const { visible, loaded } = this.state; const width = `${Math.floor((displayWidth - 4) / 3) - 4}px`; const height = width; const status = attachment.get('status'); const title = status.get('spoiler_text') || attachment.get('description'); let thumbnail = ''; let icon; if (attachment.get('type') === 'unknown') { // Skip } else if (attachment.get('type') === 'image') { 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 (['gifv', 'video'].indexOf(attachment.get('type')) !== -1) { const autoPlay = !isIOS() && autoPlayGif; thumbnail = (
); } if (!visible) { icon = ( ); } return (
{visible && thumbnail} {!visible && icon}
); } }