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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 'flavours/glitch/components/icon';
import { autoPlayGif, displayMedia } from 'flavours/glitch/util/initial_state';
import classNames from 'classnames';
import { decode } from 'blurhash';
import { isIOS } from 'flavours/glitch/util/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 = `${Math.floor((displayWidth - 4) / 3) - 4}px`;
const height = width;
const status = attachment.get('status');
const title = status.get('spoiler_text') || attachment.get('description');
let thumbnail = '';
if (attachment.get('type') === 'unknown') {
// Skip
} else if (attachment.get('type') === 'audio') {
thumbnail = (
<span className='account-gallery__item__icons'>
<Icon id='music' />
</span>
);
} else if (attachment.get('type') === 'image') {
const focusX = attachment.getIn(['meta', 'focus', 'x']) || 0;
const focusY = attachment.getIn(['meta', 'focus', 'y']) || 0;
const x = ((focusX / 2) + .5) * 100;
const y = ((focusY / -2) + .5) * 100;
thumbnail = (
<img
src={attachment.get('preview_url')}
alt={attachment.get('description')}
title={attachment.get('description')}
style={{ objectPosition: `${x}% ${y}%` }}
onLoad={this.handleImageLoad}
/>
);
} else if (['gifv', 'video'].indexOf(attachment.get('type')) !== -1) {
const autoPlay = !isIOS() && autoPlayGif;
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'>GIF</span>
</div>
);
}
const 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')} target='_blank' onClick={this.handleClick} title={title}>
<canvas width={32} height={32} ref={this.setCanvasRef} className={classNames('media-gallery__preview', { 'media-gallery__preview--hidden': visible && loaded })} />
{visible ? thumbnail : icon}
</a>
</div>
);
}
}
|
