gab-social/app/javascript/gabsocial/components/modal/media_modal.js

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import { defineMessages, injectIntl } from 'react-intl'
import ReactSwipeableViews from 'react-swipeable-views'
import ImmutablePropTypes from 'react-immutable-proptypes'
import ImmutablePureComponent from 'react-immutable-pure-component'
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import { CX } from '../../constants'
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import Video from '../video'
import ExtendedVideoPlayer from '../extended_video_player'
import Button from '../button'
import ImageLoader from '../image_loader'
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const messages = defineMessages({
close: { id: 'lightbox.close', defaultMessage: 'Close' },
previous: { id: 'lightbox.previous', defaultMessage: 'Previous' },
next: { id: 'lightbox.next', defaultMessage: 'Next' },
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viewContext: { id: 'lightbox.view_context', defaultMessage: 'View context' },
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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 {
static propTypes = {
media: ImmutablePropTypes.list.isRequired,
status: ImmutablePropTypes.map,
index: PropTypes.number.isRequired,
onClose: PropTypes.func.isRequired,
intl: PropTypes.object.isRequired,
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}
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static contextTypes = {
router: PropTypes.object,
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}
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state = {
index: null,
navigationHidden: false,
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}
updateOnProps = [
'media',
'status',
'index',
]
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handleSwipe = (index) => {
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this.setState({ index: index % this.props.media.size })
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}
handleNextClick = () => {
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this.setState({ index: (this.getIndex() + 1) % this.props.media.size })
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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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}
handleChangeIndex = (e) => {
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const index = Number(e.currentTarget.getAttribute('data-index'))
this.setState({ index: index % this.props.media.size })
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}
handleKeyDown = (e) => {
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switch (e.key) {
case 'ArrowLeft':
this.handlePrevClick()
e.preventDefault()
e.stopPropagation()
break
case 'ArrowRight':
this.handleNextClick()
e.preventDefault()
e.stopPropagation()
break
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}
}
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componentDidMount() {
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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componentWillUnmount() {
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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getIndex() {
return this.state.index !== null ? this.state.index : this.props.index
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}
toggleNavigation = () => {
this.setState(prevState => ({
navigationHidden: !prevState.navigationHidden,
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}))
}
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handleStatusClick = e => {
if (e.button === 0 && !(e.ctrlKey || e.metaKey)) {
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e.preventDefault()
this.context.router.history.push(`/${this.props.status.getIn(['account', 'acct'])}/posts/${this.props.status.get('id')}`)
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}
}
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render() {
const {
media,
status,
intl,
onClose,
} = this.props
const { navigationHidden } = this.state
const index = this.getIndex()
let pagination = []
const leftNav = media.size > 1 && (
<Button
tabIndex='0'
backgroundColor='black'
className={[_s.py15, _s.posFixed, _s.top50PC, _s.left0, _s.mt10, _s.ml10].join(' ')}
onClick={this.handlePrevClick}
aria-label={intl.formatMessage(messages.previous)}
icon='arrow-left'
iconSize='18px'
/>
)
const rightNav = media.size > 1 && (
<Button
tabIndex='0'
backgroundColor='black'
className={[_s.py15, _s.posFixed, _s.top50PC, _s.right0, _s.mt10, _s.mr10].join(' ')}
onClick={this.handleNextClick}
aria-label={intl.formatMessage(messages.next)}
icon='arrow-right'
iconSize='18px'
/>
)
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if (media.size > 1) {
pagination = media.map((item, i) => {
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const btnClasses = CX({
default: 1,
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width10PX: 1,
height10PX: 1,
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outlineNone: 1,
circle: 1,
cursorPointer: 1,
bgPrimaryOpaque: i !== index,
bgPrimary: i === index,
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boxShadowDot: i === index,
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})
return (
<li className={[_s.default, _s.px5].join(' ')} key={`media-pagination-${i}`}>
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<button tabIndex='0' className={btnClasses} onClick={this.handleChangeIndex} data-index={i} />
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</li>
)
})
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}
const content = media.map((image) => {
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const width = image.getIn(['meta', 'original', 'width']) || null
const height = image.getIn(['meta', 'original', 'height']) || null
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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}
/>
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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 (
<Video
preview={image.get('preview_url')}
blurhash={image.get('blurhash')}
src={image.get('url')}
width={image.get('width')}
height={image.get('height')}
startTime={time || 0}
onCloseVideo={onClose}
detailed
alt={image.get('description')}
key={image.get('url')}
/>
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)
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} else if (image.get('type') === 'gifv') {
return (
<ExtendedVideoPlayer
src={image.get('url')}
muted
controls={false}
width={width}
height={height}
key={image.get('preview_url')}
alt={image.get('description')}
onClick={this.toggleNavigation}
/>
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)
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}
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return null
}).toArray()
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// 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%',
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alignItems: 'center',
display: 'flex',
justifyContent: 'center',
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}
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const navigationClasses = CX({
default: 1,
displayNone: navigationHidden,
})
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return (
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<div className={[_s.default, _s.width100PC, _s.height100PC, _s.alignItemsCenter, _s.justifyContentCenter].join(' ')}>
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<div
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className={[_s.default, _s.posAbs, _s.top0, _s.right0, _s.bottom0, _s.left0].join(' ')}
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role='presentation'
onClick={onClose}
>
<ReactSwipeableViews
style={swipeableViewsStyle}
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containerStyle={{
alignItems: 'center',
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width: '100%',
height: '100%',
}}
slideStyle={{
height: '100%',
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}}
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onChangeIndex={this.handleSwipe}
onSwitching={this.handleSwitching}
index={index}
>
{content}
</ReactSwipeableViews>
</div>
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<div className={navigationClasses}>
<Button
title={intl.formatMessage(messages.close)}
icon='close'
backgroundColor='black'
onClick={onClose}
iconSize='14px'
className={[_s.py15, _s.posFixed, _s.top0, _s.right0, _s.mt10, _s.mr10].join(' ')}
/>
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{leftNav}
{rightNav}
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{ /** : todo :
status &&
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<div className={classNames('media-modal__meta', { 'media-modal__meta--shifted': media.size > 1 })}>
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<a href={status.get('url')} onClick={this.handleStatusClick}>
{intl.formatMessage(messages.viewContext)}
</a>
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</div>
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*/
}
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</div>
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<ul className={[_s.default, _s.posAbs, _s.bottom0, _s.mb15, _s.flexRow, _s.bgBlackOpaque, _s.circle, _s.py10, _s.px15, _s.listStyleNone].join(' ')}>
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{pagination}
</ul>
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</div>
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)
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}
}