chinwagsocial/app/javascript/mastodon/features/ui/components/media_modal.js
Eugen Rochko 1e89e2ed98
Change media modals look in web UI (#15217)
- Change overlay background to match color of viewed image
- Add interactive reply/boost/favourite buttons to footer of modal
- Change ugly "View context" link to button among the action bar
2020-11-27 03:24:11 +01:00

376 lines
8.8 KiB
JavaScript

import React from 'react';
import ReactSwipeableViews from 'react-swipeable-views';
import ImmutablePropTypes from 'react-immutable-proptypes';
import PropTypes from 'prop-types';
import Video from 'mastodon/features/video';
import classNames from 'classnames';
import { defineMessages, injectIntl } from 'react-intl';
import IconButton from 'mastodon/components/icon_button';
import ImmutablePureComponent from 'react-immutable-pure-component';
import ImageLoader from './image_loader';
import Icon from 'mastodon/components/icon';
import GIFV from 'mastodon/components/gifv';
import { disableSwiping } from 'mastodon/initial_state';
import Footer from 'mastodon/features/picture_in_picture/components/footer';
const messages = defineMessages({
close: { id: 'lightbox.close', defaultMessage: 'Close' },
previous: { id: 'lightbox.previous', defaultMessage: 'Previous' },
next: { id: 'lightbox.next', defaultMessage: 'Next' },
});
export const previewState = 'previewMediaModal';
const digitCharacters = [
'0',
'1',
'2',
'3',
'4',
'5',
'6',
'7',
'8',
'9',
'A',
'B',
'C',
'D',
'E',
'F',
'G',
'H',
'I',
'J',
'K',
'L',
'M',
'N',
'O',
'P',
'Q',
'R',
'S',
'T',
'U',
'V',
'W',
'X',
'Y',
'Z',
'a',
'b',
'c',
'd',
'e',
'f',
'g',
'h',
'i',
'j',
'k',
'l',
'm',
'n',
'o',
'p',
'q',
'r',
's',
't',
'u',
'v',
'w',
'x',
'y',
'z',
'#',
'$',
'%',
'*',
'+',
',',
'-',
'.',
':',
';',
'=',
'?',
'@',
'[',
']',
'^',
'_',
'{',
'|',
'}',
'~',
];
const decode83 = (str) => {
let value = 0;
let c, digit;
for (let i = 0; i < str.length; i++) {
c = str[i];
digit = digitCharacters.indexOf(c);
value = value * 83 + digit;
}
return value;
};
const decodeRGB = int => ({
r: Math.max(0, (int >> 16)),
g: Math.max(0, (int >> 8) & 255),
b: Math.max(0, (int & 255)),
});
export default @injectIntl
class MediaModal extends ImmutablePureComponent {
static propTypes = {
media: ImmutablePropTypes.list.isRequired,
statusId: PropTypes.string,
index: PropTypes.number.isRequired,
onClose: PropTypes.func.isRequired,
intl: PropTypes.object.isRequired,
onChangeBackgroundColor: PropTypes.func.isRequired,
};
static contextTypes = {
router: PropTypes.object,
};
state = {
index: null,
navigationHidden: false,
zoomButtonHidden: false,
};
handleSwipe = (index) => {
this.setState({ index: index % this.props.media.size });
}
handleTransitionEnd = () => {
this.setState({
zoomButtonHidden: false,
});
}
handleNextClick = () => {
this.setState({
index: (this.getIndex() + 1) % this.props.media.size,
zoomButtonHidden: true,
});
}
handlePrevClick = () => {
this.setState({
index: (this.props.media.size + this.getIndex() - 1) % this.props.media.size,
zoomButtonHidden: true,
});
}
handleChangeIndex = (e) => {
const index = Number(e.currentTarget.getAttribute('data-index'));
this.setState({
index: index % this.props.media.size,
zoomButtonHidden: true,
});
}
handleKeyDown = (e) => {
switch(e.key) {
case 'ArrowLeft':
this.handlePrevClick();
e.preventDefault();
e.stopPropagation();
break;
case 'ArrowRight':
this.handleNextClick();
e.preventDefault();
e.stopPropagation();
break;
}
}
componentDidMount () {
window.addEventListener('keydown', this.handleKeyDown, false);
if (this.context.router) {
const history = this.context.router.history;
history.push(history.location.pathname, previewState);
this.unlistenHistory = history.listen(() => {
this.props.onClose();
});
}
this._sendBackgroundColor();
}
componentDidUpdate (prevProps, prevState) {
if (prevState.index !== this.state.index) {
this._sendBackgroundColor();
}
}
_sendBackgroundColor () {
const { media, onChangeBackgroundColor } = this.props;
const index = this.getIndex();
const backgroundColor = decodeRGB(decode83(media.getIn([index, 'blurhash']).slice(2, 6)));
onChangeBackgroundColor(backgroundColor);
}
componentWillUnmount () {
window.removeEventListener('keydown', this.handleKeyDown);
if (this.context.router) {
this.unlistenHistory();
if (this.context.router.history.location.state === previewState) {
this.context.router.history.goBack();
}
}
this.props.onChangeBackgroundColor(null);
}
getIndex () {
return this.state.index !== null ? this.state.index : this.props.index;
}
toggleNavigation = () => {
this.setState(prevState => ({
navigationHidden: !prevState.navigationHidden,
}));
};
handleStatusClick = e => {
if (e.button === 0 && !(e.ctrlKey || e.metaKey)) {
e.preventDefault();
this.context.router.history.push(`/statuses/${this.props.statusId}`);
}
}
render () {
const { media, statusId, intl, onClose } = this.props;
const { navigationHidden } = this.state;
const index = this.getIndex();
const leftNav = media.size > 1 && <button tabIndex='0' className='media-modal__nav media-modal__nav--left' onClick={this.handlePrevClick} aria-label={intl.formatMessage(messages.previous)}><Icon id='chevron-left' fixedWidth /></button>;
const rightNav = media.size > 1 && <button tabIndex='0' className='media-modal__nav media-modal__nav--right' onClick={this.handleNextClick} aria-label={intl.formatMessage(messages.next)}><Icon id='chevron-right' fixedWidth /></button>;
const content = media.map((image) => {
const width = image.getIn(['meta', 'original', 'width']) || null;
const height = image.getIn(['meta', 'original', 'height']) || null;
if (image.get('type') === 'image') {
return (
<ImageLoader
previewSrc={image.get('preview_url')}
src={image.get('url')}
width={width}
height={height}
alt={image.get('description')}
key={image.get('url')}
onClick={this.toggleNavigation}
zoomButtonHidden={this.state.zoomButtonHidden}
/>
);
} else if (image.get('type') === 'video') {
const { time } = this.props;
return (
<Video
preview={image.get('preview_url')}
blurhash={image.get('blurhash')}
src={image.get('url')}
width={image.get('width')}
height={image.get('height')}
currentTime={time || 0}
onCloseVideo={onClose}
detailed
alt={image.get('description')}
key={image.get('url')}
/>
);
} else if (image.get('type') === 'gifv') {
return (
<GIFV
src={image.get('url')}
width={width}
height={height}
key={image.get('preview_url')}
alt={image.get('description')}
onClick={this.toggleNavigation}
/>
);
}
return null;
}).toArray();
// you can't use 100vh, because the viewport height is taller
// than the visible part of the document in some mobile
// browsers when it's address bar is visible.
// https://developers.google.com/web/updates/2016/12/url-bar-resizing
const swipeableViewsStyle = {
width: '100%',
height: '100%',
};
const containerStyle = {
alignItems: 'center', // center vertically
};
const navigationClassName = classNames('media-modal__navigation', {
'media-modal__navigation--hidden': navigationHidden,
});
let pagination;
if (media.size > 1) {
pagination = media.map((item, i) => (
<button key={i} className={classNames('media-modal__page-dot', { active: i === index })} data-index={i} onClick={this.handleChangeIndex}>
{i + 1}
</button>
));
}
return (
<div className='modal-root__modal media-modal'>
<div className='media-modal__closer' role='presentation' onClick={onClose} >
<ReactSwipeableViews
style={swipeableViewsStyle}
containerStyle={containerStyle}
onChangeIndex={this.handleSwipe}
onTransitionEnd={this.handleTransitionEnd}
index={index}
disabled={disableSwiping}
>
{content}
</ReactSwipeableViews>
</div>
<div className={navigationClassName}>
<IconButton className='media-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={40} />
{leftNav}
{rightNav}
<div className='media-modal__overlay'>
{pagination && <ul className='media-modal__pagination'>{pagination}</ul>}
{statusId && <Footer statusId={statusId} withOpenButton onClose={onClose} />}
</div>
</div>
</div>
);
}
}