- import { decode } from 'blurhash';
- import classNames from 'classnames';
- import Icon from 'mastodon/components/icon';
- import { autoPlayGif, displayMedia } from 'mastodon/initial_state';
- import { isIOS } from 'mastodon/is_mobile';
- import PropTypes from 'prop-types';
- import React from 'react';
- import ImmutablePropTypes from 'react-immutable-proptypes';
- import ImmutablePureComponent from 'react-immutable-pure-component';
-
- 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 = `${Math.floor((displayWidth - 4) / 3) - 4}px`;
- const height = width;
- const status = attachment.get('status');
- const title = status.get('spoiler_text') || attachment.get('description');
-
- let thumbnail = '';
- let icon;
-
- if (attachment.get('type') === 'unknown') {
- // Skip
- } else if (attachment.get('type') === 'audio') {
- thumbnail = (
- <span className='account-gallery__item__icons'>
- <Icon id='music' />
- </span>
- );
- } else if (attachment.get('type') === 'image') {
- const focusX = attachment.getIn(['meta', 'focus', 'x']) || 0;
- const focusY = attachment.getIn(['meta', 'focus', 'y']) || 0;
- const x = ((focusX / 2) + .5) * 100;
- const y = ((focusY / -2) + .5) * 100;
-
- thumbnail = (
- <img
- src={attachment.get('preview_url')}
- alt={attachment.get('description')}
- title={attachment.get('description')}
- style={{ objectPosition: `${x}% ${y}%` }}
- onLoad={this.handleImageLoad}
- />
- );
- } else if (['gifv', 'video'].indexOf(attachment.get('type')) !== -1) {
- const autoPlay = !isIOS() && autoPlayGif;
- const label = attachment.get('type') === 'video' ? <Icon id='play' /> : 'GIF';
-
- thumbnail = (
- <div className={classNames('media-gallery__gifv', { autoplay: autoPlay })}>
- <video
- className='media-gallery__item-gifv-thumbnail'
- aria-label={attachment.get('description')}
- title={attachment.get('description')}
- role='application'
- src={attachment.get('url')}
- onMouseEnter={this.handleMouseEnter}
- onMouseLeave={this.handleMouseLeave}
- autoPlay={autoPlay}
- loop
- muted
- />
-
- <span className='media-gallery__gifv__label'>{label}</span>
- </div>
- );
- }
-
- if (!visible) {
- icon = (
- <span className='account-gallery__item__icons'>
- <Icon id='eye-slash' />
- </span>
- );
- }
-
- return (
- <div className='account-gallery__item' style={{ width, height }}>
- <a className='media-gallery__item-thumbnail' href={status.get('url')} onClick={this.handleClick} title={title} target='_blank' rel='noopener noreferrer'>
- <canvas width={32} height={32} ref={this.setCanvasRef} className={classNames('media-gallery__preview', { 'media-gallery__preview--hidden': visible && loaded })} />
- {visible && thumbnail}
- {!visible && icon}
- </a>
- </div>
- );
- }
-
- }
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