gab-social/app/javascript/gabsocial/components/media_gallery/media_gallery.js
2020-02-25 11:04:44 -05:00

544 lines
18 KiB
JavaScript

import ImmutablePropTypes from 'react-immutable-proptypes';
import ImmutablePureComponent from 'react-immutable-pure-component';
import { is } from 'immutable';
import { defineMessages, injectIntl } from 'react-intl';
import classNames from 'classnames/bind'
import { decode } from 'blurhash';
import { autoPlayGif, displayMedia } from '../../initial_state';
import { isIOS } from '../../utils/is_mobile';
import { isPanoramic, isPortrait, isNonConformingRatio, minimumAspectRatio, maximumAspectRatio } from '../../utils/media_aspect_ratio';
import IconButton from '../icon_button';
const messages = defineMessages({
toggle_visible: { id: 'media_gallery.toggle_visible', defaultMessage: 'Toggle visibility' },
warning: { id: 'status.sensitive_warning', defaultMessage: 'Sensitive content' },
hidden: { id: 'status.media_hidden', defaultMessage: 'Media hidden' },
});
const cx = classNames.bind(_s)
class Item extends ImmutablePureComponent {
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,
dimensions: PropTypes.object,
};
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;
}
}
handleLoadedMetaData = (e) => {
if (!this.hoverToPlay()) {
e.target.play();
}
}
hoverToPlay () {
const { attachment } = this.props;
return autoPlayGif === false && 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 () {
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, dimensions } = this.props;
const ar = attachment.getIn(['meta', 'small', 'aspect']);
let width = 100;
let height = '100%';
let top = '0';
let left = 'auto';
let bottom = '0';
let right = 'auto';
let float = 'left';
let position = 'relative';
if (dimensions) {
width = dimensions.w;
height = dimensions.h;
top = dimensions.t || '0';
right = dimensions.r || 'auto';
bottom = dimensions.b || '0';
left = dimensions.l || 'auto';
float = dimensions.float || 'left';
position = dimensions.pos || 'relative';
}
let thumbnail = '';
if (attachment.get('type') === 'unknown') {
return (
<div className={[_s.default].join(' ')} key={attachment.get('id')} style={{ position, float, left, top, right, bottom, height, width: `${width}%` }}>
<a className='media-gallery__item-thumbnail' href={attachment.get('remote_url')} target='_blank' style={{ cursor: 'pointer' }}>
<canvas width={32} height={32} ref={this.setCanvasRef} className='media-gallery__preview' />
</a>
</div>
);
} else if (attachment.get('type') === 'image') {
const previewUrl = attachment.get('preview_url');
const previewWidth = attachment.getIn(['meta', 'small', 'width']);
const originalUrl = attachment.get('url');
const originalWidth = attachment.getIn(['meta', 'original', 'width']);
const hasSize = typeof originalWidth === 'number' && typeof previewWidth === 'number';
const srcSet = hasSize ? `${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 = (
<a
className={[_s.default, _s.overflowHidden, _s.height100PC, _s.width100PC, _s.cursorPointer].join(' ')}
href={attachment.get('remote_url') || originalUrl}
onClick={this.handleClick}
target='_blank'
>
<img
src={previewUrl}
srcSet={srcSet}
sizes={sizes}
className={[_s.height100PC, _s.width100PC, _s.objectFitCover].join(' ')}
alt={attachment.get('description')}
title={attachment.get('description')}
style={{ objectPosition: `${x}% ${y}%` }}
onLoad={this.handleImageLoad}
/>
</a>
);
} else if (attachment.get('type') === 'gifv') {
const autoPlay = !isIOS() && autoPlayGif !== false;
thumbnail = (
<div className={[_s.default, _s.overflowHidden, _s.heigh100PC, _s.width100PC].join(' ')}>
<video
className={[_s.default, _s.cursorPointer, _s.objectFitCover, _s.width100PC, _s.height100PC, _s.z1].join(' ')}
aria-label={attachment.get('description')}
title={attachment.get('description')}
role='application'
src={attachment.get('url')}
onClick={this.handleClick}
onMouseEnter={this.handleMouseEnter}
onMouseLeave={this.handleMouseLeave}
onLoadedMetadata={this.handleLoadedMetaData}
autoPlay={autoPlay}
type='video/mp4'
loop
muted
playsInline
/>
<span className='media-gallery__gifv__label'>GIF</span>
</div>
);
}
return (
<div className={[_s.defeault, _s.positionAbsolute].join(' ')} key={attachment.get('id')} style={{ position, float, left, top, right, bottom, height, width: `${width}%` }}>
<canvas width={0} height={0} ref={this.setCanvasRef} className={_s.displayNone} />
{visible && thumbnail}
</div>
);
}
}
export default
@injectIntl
class MediaGallery extends 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,
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,
};
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 });
}
}
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 = (node) => {
if (node) {
// offsetWidth triggers a layout, so only calculate when we need to
if (this.props.cacheWidth) this.props.cacheWidth(node.offsetWidth);
this.setState({
width: node.offsetWidth,
});
}
}
render () {
const { media, intl, sensitive, height, defaultWidth } = this.props;
const { visible } = this.state;
const width = this.state.width || defaultWidth;
let children, spoilerButton;
const style = {};
const size = media.take(4).size;
const standard169 = width / (16 / 9);
const standard169_percent = 100 / (16 / 9);
const standard169_px = `${standard169}px`;
const panoSize = Math.floor(width / maximumAspectRatio);
const panoSize_px = `${Math.floor(width / maximumAspectRatio)}px`;
let itemsDimensions = [];
if (size == 1 && width) {
const aspectRatio = media.getIn([0, 'meta', 'small', 'aspect']);
if (isPanoramic(aspectRatio)) {
style.height = Math.floor(width / maximumAspectRatio);
} else if (isPortrait(aspectRatio)) {
style.height = Math.floor(width / minimumAspectRatio);
} else {
style.height = Math.floor(width / aspectRatio);
}
} else if (size > 1 && width) {
const ar1 = media.getIn([0, 'meta', 'small', 'aspect']);
const ar2 = media.getIn([1, 'meta', 'small', 'aspect']);
const ar3 = media.getIn([2, 'meta', 'small', 'aspect']);
const ar4 = media.getIn([3, 'meta', 'small', 'aspect']);
if (size == 2) {
if (isPortrait(ar1) && isPortrait(ar2)) {
style.height = width - (width / maximumAspectRatio);
} else if (isPanoramic(ar1) && isPanoramic(ar2)) {
style.height = panoSize * 2;
} else if (
(isPanoramic(ar1) && isPortrait(ar2)) ||
(isPortrait(ar1) && isPanoramic(ar2)) ||
(isPanoramic(ar1) && isNonConformingRatio(ar2)) ||
(isNonConformingRatio(ar1) && isPanoramic(ar2))
) {
style.height = (width * 0.6) + (width / maximumAspectRatio);
} else {
style.height = width / 2;
}
//
if (isPortrait(ar1) && isPortrait(ar2)) {
itemsDimensions = [
{ w: 50, h: '100%', r: '2px' },
{ w: 50, h: '100%', l: '2px' }
];
} else if (isPanoramic(ar1) && isPanoramic(ar2)) {
itemsDimensions = [
{ w: 100, h: panoSize_px, b: '2px' },
{ w: 100, h: panoSize_px, t: '2px' }
];
} else if (
(isPanoramic(ar1) && isPortrait(ar2)) ||
(isPanoramic(ar1) && isNonConformingRatio(ar2))
) {
itemsDimensions = [
{ w: 100, h: `${(width / maximumAspectRatio)}px`, b: '2px' },
{ w: 100, h: `${(width * 0.6)}px`, t: '2px' },
];
} else if (
(isPortrait(ar1) && isPanoramic(ar2)) ||
(isNonConformingRatio(ar1) && isPanoramic(ar2))
) {
itemsDimensions = [
{ w: 100, h: `${(width * 0.6)}px`, b: '2px' },
{ w: 100, h: `${(width / maximumAspectRatio)}px`, t: '2px' },
];
} else {
itemsDimensions = [
{ w: 50, h: '100%', r: '2px' },
{ w: 50, h: '100%', l: '2px' }
];
}
} else if (size == 3) {
if (isPanoramic(ar1) && isPanoramic(ar2) && isPanoramic(ar3)) {
style.height = panoSize * 3;
} else if (isPortrait(ar1) && isPortrait(ar2) && isPortrait(ar3)) {
style.height = Math.floor(width / minimumAspectRatio);
} else {
style.height = width;
}
//
if (isPanoramic(ar1) && isNonConformingRatio(ar2) && isNonConformingRatio(ar3)) {
itemsDimensions = [
{ w: 100, h: `50%`, b: '2px' },
{ w: 50, h: '50%', t: '2px', r: '2px' },
{ w: 50, h: '50%', t: '2px', l: '2px' }
];
} else if (isPanoramic(ar1) && isPanoramic(ar2) && isPanoramic(ar3)) {
itemsDimensions = [
{ w: 100, h: panoSize_px, b: '4px' },
{ w: 100, h: panoSize_px },
{ w: 100, h: panoSize_px, t: '4px' }
];
} else if (isPortrait(ar1) && isNonConformingRatio(ar2) && isNonConformingRatio(ar3)) {
itemsDimensions = [
{ w: 50, h: `100%`, r: '2px' },
{ w: 50, h: '50%', b: '2px', l: '2px' },
{ w: 50, h: '50%', t: '2px', l: '2px' },
];
} else if (isNonConformingRatio(ar1) && isNonConformingRatio(ar2) && isPortrait(ar3)) {
itemsDimensions = [
{ w: 50, h: '50%', b: '2px', r: '2px' },
{ w: 50, h: '50%', l: '-2px', b: '-2px', pos: 'absolute', float: 'none' },
{ w: 50, h: `100%`, r: '-2px', t: '0px', b: '0px', pos: 'absolute', float: 'none' }
];
} else if (
(isNonConformingRatio(ar1) && isPortrait(ar2) && isNonConformingRatio(ar3)) ||
(isPortrait(ar1) && isPortrait(ar2) && isPortrait(ar3))
) {
itemsDimensions = [
{ w: 50, h: '50%', b: '2px', r: '2px' },
{ w: 50, h: `100%`, l: '2px', float: 'right' },
{ w: 50, h: '50%', t: '2px', r: '2px' }
];
} else if (
(isPanoramic(ar1) && isPanoramic(ar2) && isNonConformingRatio(ar3)) ||
(isPanoramic(ar1) && isPanoramic(ar2) && isPortrait(ar3))
) {
itemsDimensions = [
{ w: 50, h: panoSize_px, b: '2px', r: '2px' },
{ w: 50, h: panoSize_px, b: '2px', l: '2px' },
{ w: 100, h: `${width - panoSize}px`, t: '2px' }
];
} else if (
(isNonConformingRatio(ar1) && isPanoramic(ar2) && isPanoramic(ar3)) ||
(isPortrait(ar1) && isPanoramic(ar2) && isPanoramic(ar3))
) {
itemsDimensions = [
{ w: 100, h: `${width - panoSize}px`, b: '2px' },
{ w: 50, h: panoSize_px, t: '2px', r: '2px' },
{ w: 50, h: panoSize_px, t: '2px', l: '2px' },
];
} else {
itemsDimensions = [
{ w: 50, h: '50%', b: '2px', r: '2px' },
{ w: 50, h: '50%', b: '2px', l: '2px' },
{ w: 100, h: `50%`, t: '2px' }
];
}
} else if (size == 4) {
if (
(isPortrait(ar1) && isPortrait(ar2) && isPortrait(ar3) && isPortrait(ar4)) ||
(isPortrait(ar1) && isPortrait(ar2) && isPortrait(ar3) && isNonConformingRatio(ar4)) ||
(isPortrait(ar1) && isPortrait(ar2) && isNonConformingRatio(ar3) && isPortrait(ar4)) ||
(isPortrait(ar1) && isNonConformingRatio(ar2) && isPortrait(ar3) && isPortrait(ar4)) ||
(isNonConformingRatio(ar1) && isPortrait(ar2) && isPortrait(ar3) && isPortrait(ar4))
) {
style.height = Math.floor(width / minimumAspectRatio);
} else if (isPanoramic(ar1) && isPanoramic(ar2) && isPanoramic(ar3) && isPanoramic(ar4)) {
style.height = panoSize * 2;
} else if (
(isPanoramic(ar1) && isPanoramic(ar2) && isNonConformingRatio(ar3) && isNonConformingRatio(ar4)) ||
(isNonConformingRatio(ar1) && isNonConformingRatio(ar2) && isPanoramic(ar3) && isPanoramic(ar4))
) {
style.height = panoSize + (width / 2);
} else {
style.height = width;
}
//
if (isPanoramic(ar1) && isPanoramic(ar2) && isNonConformingRatio(ar3) && isNonConformingRatio(ar4)) {
itemsDimensions = [
{ w: 50, h: panoSize_px, b: '2px', r: '2px' },
{ w: 50, h: panoSize_px, b: '2px', l: '2px' },
{ w: 50, h: `${(width / 2)}px`, t: '2px', r: '2px' },
{ w: 50, h: `${(width / 2)}px`, t: '2px', l: '2px' },
];
} else if (isNonConformingRatio(ar1) && isNonConformingRatio(ar2) && isPanoramic(ar3) && isPanoramic(ar4)) {
itemsDimensions = [
{ w: 50, h: `${(width / 2)}px`, b: '2px', r: '2px' },
{ w: 50, h: `${(width / 2)}px`, b: '2px', l: '2px' },
{ w: 50, h: panoSize_px, t: '2px', r: '2px' },
{ w: 50, h: panoSize_px, t: '2px', l: '2px' },
];
} else if (
(isPortrait(ar1) && isNonConformingRatio(ar2) && isNonConformingRatio(ar3) && isNonConformingRatio(ar4)) ||
(isPortrait(ar1) && isPanoramic(ar2) && isPanoramic(ar3) && isPanoramic(ar4))
) {
itemsDimensions = [
{ w: 67, h: '100%', r: '2px' },
{ w: 33, h: '33%', b: '4px', l: '2px' },
{ w: 33, h: '33%', l: '2px' },
{ w: 33, h: '33%', t: '4px', l: '2px' }
];
} else {
itemsDimensions = [
{ w: 50, h: '50%', b: '2px', r: '2px' },
{ w: 50, h: '50%', b: '2px', l: '2px' },
{ w: 50, h: '50%', t: '2px', r: '2px' },
{ w: 50, h: '50%', t: '2px', l: '2px' },
];
}
}
} else {
style.height = height;
}
children = media.take(4).map((attachment, i) => (
<Item
key={attachment.get('id')}
onClick={this.handleClick}
attachment={attachment}
index={i}
size={size}
displayWidth={width}
visible={visible}
dimensions={itemsDimensions[i]}
/>
));
if (visible) {
spoilerButton = <IconButton title={intl.formatMessage(messages.toggle_visible)} icon='eye-slash' overlay onClick={this.handleOpen} />;
} else {
spoilerButton = (
<button type='button' onClick={this.handleOpen} className='spoiler-button__overlay'>
<span className='spoiler-button__overlay__label'>
{intl.formatMessage(sensitive ? messages.warning : messages.hidden)}
</span>
</button>
);
}
const containerClasses = cx({
default: 1,
displayBlock: 1,
overflowHidden: 1,
borderColorSecondary: size === 1,
borderTop1PX: size === 1,
borderBottom1PX: size === 1,
paddingHorizontal5PX: size > 1,
})
return (
<div
className={containerClasses}
style={style}
ref={this.handleRef}
>
{ /*
<div className={classNames('spoiler-button', { 'spoiler-button--minified': visible })}>
{spoilerButton}
</div> */ }
{children}
</div>
);
}
}