379 lines
8.9 KiB
JavaScript
379 lines
8.9 KiB
JavaScript
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 'mastodon/features/video';
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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 'mastodon/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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import GIFV from 'mastodon/components/gifv';
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import { disableSwiping } from 'mastodon/initial_state';
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import Footer from 'mastodon/features/picture_in_picture/components/footer';
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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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const digitCharacters = [
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'0',
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'1',
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'2',
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'3',
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'4',
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'5',
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'6',
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'7',
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'8',
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'9',
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'A',
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'B',
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'C',
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'D',
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'E',
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'F',
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'G',
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'H',
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'I',
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'J',
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'K',
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'L',
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'M',
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'N',
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'O',
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'P',
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'Q',
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'R',
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'S',
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'T',
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'U',
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'V',
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'W',
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'X',
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'Y',
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'Z',
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'a',
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'b',
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'c',
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'd',
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'e',
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'f',
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'g',
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'h',
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'i',
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'j',
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'k',
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'l',
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'm',
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'n',
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'o',
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'p',
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'q',
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'r',
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's',
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't',
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'u',
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'v',
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'w',
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'x',
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'y',
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'z',
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'#',
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'$',
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'%',
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'*',
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'+',
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',',
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'-',
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'.',
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':',
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';',
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'=',
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'?',
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'@',
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'[',
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']',
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'^',
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'_',
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'{',
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'|',
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'}',
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'~',
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];
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const decode83 = (str) => {
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let value = 0;
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let c, digit;
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for (let i = 0; i < str.length; i++) {
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c = str[i];
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digit = digitCharacters.indexOf(c);
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value = value * 83 + digit;
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}
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return value;
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};
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const decodeRGB = int => ({
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r: Math.max(0, (int >> 16)),
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g: Math.max(0, (int >> 8) & 255),
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b: Math.max(0, (int & 255)),
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});
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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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statusId: PropTypes.string,
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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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onChangeBackgroundColor: PropTypes.func.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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zoomButtonHidden: 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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handleTransitionEnd = () => {
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this.setState({
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zoomButtonHidden: false,
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});
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}
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handleNextClick = () => {
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this.setState({
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index: (this.getIndex() + 1) % this.props.media.size,
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zoomButtonHidden: true,
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});
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}
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handlePrevClick = () => {
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this.setState({
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index: (this.props.media.size + this.getIndex() - 1) % this.props.media.size,
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zoomButtonHidden: true,
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});
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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({
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index: index % this.props.media.size,
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zoomButtonHidden: true,
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});
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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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this._sendBackgroundColor();
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}
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componentDidUpdate (prevProps, prevState) {
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if (prevState.index !== this.state.index) {
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this._sendBackgroundColor();
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}
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}
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_sendBackgroundColor () {
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const { media, onChangeBackgroundColor } = this.props;
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const index = this.getIndex();
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const blurhash = media.getIn([index, 'blurhash']);
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if (blurhash) {
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const backgroundColor = decodeRGB(decode83(blurhash.slice(2, 6)));
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onChangeBackgroundColor(backgroundColor);
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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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this.props.onChangeBackgroundColor(null);
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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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handleStatusClick = e => {
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if (e.button === 0 && !(e.ctrlKey || e.metaKey)) {
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e.preventDefault();
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this.context.router.history.push(`/statuses/${this.props.statusId}`);
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}
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}
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render () {
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const { media, statusId, intl, onClose } = this.props;
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const { navigationHidden } = this.state;
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const index = this.getIndex();
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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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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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zoomButtonHidden={this.state.zoomButtonHidden}
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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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blurhash={image.get('blurhash')}
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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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currentTime={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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<GIFV
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src={image.get('url')}
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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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let pagination;
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if (media.size > 1) {
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pagination = media.map((item, i) => (
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<button key={i} className={classNames('media-modal__page-dot', { active: i === index })} data-index={i} onClick={this.handleChangeIndex}>
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{i + 1}
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</button>
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));
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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 className='media-modal__closer' role='presentation' onClick={onClose} >
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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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onTransitionEnd={this.handleTransitionEnd}
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index={index}
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disabled={disableSwiping}
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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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<div className='media-modal__overlay'>
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{pagination && <ul className='media-modal__pagination'>{pagination}</ul>}
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{statusId && <Footer statusId={statusId} withOpenButton onClose={onClose} />}
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</div>
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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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