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221 lines
6.7 KiB
221 lines
6.7 KiB
import React from 'react';
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import ReactSwipeableViews from 'react-swipeable-views';
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import ImmutablePropTypes from 'react-immutable-proptypes';
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import PropTypes from 'prop-types';
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import Video from '../../video';
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import ExtendedVideoPlayer from '../../../components/extended_video_player';
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import classNames from 'classnames';
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import { defineMessages, injectIntl } from 'react-intl';
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import IconButton from '../../../components/icon_button';
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import ImmutablePureComponent from 'react-immutable-pure-component';
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import ImageLoader from './image_loader';
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import Icon from 'mastodon/components/icon';
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const messages = defineMessages({
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close: { id: 'lightbox.close', defaultMessage: 'Close' },
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previous: { id: 'lightbox.previous', defaultMessage: 'Previous' },
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next: { id: 'lightbox.next', defaultMessage: 'Next' },
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});
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export const previewState = 'previewMediaModal';
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export default @injectIntl
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class MediaModal extends ImmutablePureComponent {
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static propTypes = {
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media: ImmutablePropTypes.list.isRequired,
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index: PropTypes.number.isRequired,
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onClose: PropTypes.func.isRequired,
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intl: PropTypes.object.isRequired,
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};
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static contextTypes = {
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router: PropTypes.object,
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};
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state = {
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index: null,
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navigationHidden: false,
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};
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handleSwipe = (index) => {
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this.setState({ index: index % this.props.media.size });
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}
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handleNextClick = () => {
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this.setState({ index: (this.getIndex() + 1) % this.props.media.size });
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}
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handlePrevClick = () => {
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this.setState({ index: (this.props.media.size + this.getIndex() - 1) % this.props.media.size });
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}
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handleChangeIndex = (e) => {
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const index = Number(e.currentTarget.getAttribute('data-index'));
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this.setState({ index: index % this.props.media.size });
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}
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handleKeyDown = (e) => {
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switch(e.key) {
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case 'ArrowLeft':
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this.handlePrevClick();
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e.preventDefault();
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e.stopPropagation();
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break;
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case 'ArrowRight':
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this.handleNextClick();
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e.preventDefault();
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e.stopPropagation();
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break;
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}
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}
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componentDidMount () {
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window.addEventListener('keydown', this.handleKeyDown, false);
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if (this.context.router) {
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const history = this.context.router.history;
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history.push(history.location.pathname, previewState);
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this.unlistenHistory = history.listen(() => {
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this.props.onClose();
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});
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}
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}
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componentWillUnmount () {
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window.removeEventListener('keydown', this.handleKeyDown);
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if (this.context.router) {
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this.unlistenHistory();
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if (this.context.router.history.location.state === previewState) {
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this.context.router.history.goBack();
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}
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}
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}
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getIndex () {
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return this.state.index !== null ? this.state.index : this.props.index;
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}
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toggleNavigation = () => {
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this.setState(prevState => ({
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navigationHidden: !prevState.navigationHidden,
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}));
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};
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render () {
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const { media, intl, onClose } = this.props;
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const { navigationHidden } = this.state;
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const index = this.getIndex();
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let pagination = [];
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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>;
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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>;
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if (media.size > 1) {
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pagination = media.map((item, i) => {
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const classes = ['media-modal__button'];
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if (i === index) {
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classes.push('media-modal__button--active');
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}
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return (<li className='media-modal__page-dot' key={i}><button tabIndex='0' className={classes.join(' ')} onClick={this.handleChangeIndex} data-index={i}>{i + 1}</button></li>);
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});
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}
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const content = media.map((image) => {
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const width = image.getIn(['meta', 'original', 'width']) || null;
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const height = image.getIn(['meta', 'original', 'height']) || null;
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if (image.get('type') === 'image') {
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return (
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<ImageLoader
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previewSrc={image.get('preview_url')}
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src={image.get('url')}
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width={width}
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height={height}
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alt={image.get('description')}
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key={image.get('url')}
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onClick={this.toggleNavigation}
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/>
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);
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} else if (image.get('type') === 'video') {
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const { time } = this.props;
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return (
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<Video
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preview={image.get('preview_url')}
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src={image.get('url')}
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width={image.get('width')}
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height={image.get('height')}
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startTime={time || 0}
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onCloseVideo={onClose}
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detailed
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alt={image.get('description')}
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key={image.get('url')}
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/>
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);
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} else if (image.get('type') === 'gifv') {
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return (
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<ExtendedVideoPlayer
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src={image.get('url')}
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muted
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controls={false}
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width={width}
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height={height}
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key={image.get('preview_url')}
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alt={image.get('description')}
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onClick={this.toggleNavigation}
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/>
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);
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}
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return null;
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}).toArray();
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// you can't use 100vh, because the viewport height is taller
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// than the visible part of the document in some mobile
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// browsers when it's address bar is visible.
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// https://developers.google.com/web/updates/2016/12/url-bar-resizing
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const swipeableViewsStyle = {
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width: '100%',
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height: '100%',
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};
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const containerStyle = {
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alignItems: 'center', // center vertically
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};
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const navigationClassName = classNames('media-modal__navigation', {
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'media-modal__navigation--hidden': navigationHidden,
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});
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return (
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<div className='modal-root__modal media-modal'>
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<div
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className='media-modal__closer'
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role='presentation'
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onClick={onClose}
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>
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<ReactSwipeableViews
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style={swipeableViewsStyle}
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containerStyle={containerStyle}
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onChangeIndex={this.handleSwipe}
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onSwitching={this.handleSwitching}
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index={index}
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>
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{content}
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</ReactSwipeableViews>
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</div>
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<div className={navigationClassName}>
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<IconButton className='media-modal__close' title={intl.formatMessage(messages.close)} icon='times' onClick={onClose} size={40} />
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{leftNav}
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{rightNav}
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<ul className='media-modal__pagination'>
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{pagination}
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</ul>
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</div>
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</div>
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);
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}
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}
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