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

307 lines
8.5 KiB
JavaScript

import React from 'react'
import PropTypes from 'prop-types'
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'
import { CX } from '../../constants'
import Video from '../video'
import ExtendedVideoPlayer from '../extended_video_player'
import Button from '../button'
import ImageLoader from '../image_loader'
import Pagination from '../pagination'
export const previewState = 'previewMediaModal'
class MediaModal extends ImmutablePureComponent {
static contextTypes = {
router: PropTypes.object,
}
state = {
index: null,
navigationHidden: false,
}
handleSwipe = (index) => {
if (!this.props.media) return
this.setState({ index: index % this.props.media.size })
}
handleNextClick = () => {
if (!this.props.media) return
this.setState({ index: (this.getIndex() + 1) % this.props.media.size })
}
handlePrevClick = () => {
if (!this.props.media) return
this.setState({ index: (this.props.media.size + this.getIndex() - 1) % this.props.media.size })
}
handleChangeIndex = (i) => {
if (!this.props.media) return
this.setState({ index: i % this.props.media.size })
}
handleKeyDown = (e) => {
if (!this.props.media) return
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()
})
}
}
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()
}
}
}
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(`/${this.props.status.getIn(['account', 'acct'])}/posts/${this.props.status.get('id')}`)
}
}
render() {
const {
media,
src,
alt,
status,
intl,
onClose,
} = this.props
const { navigationHidden } = this.state
const index = this.getIndex()
const content = !media ?
<ImageLoader
previewSrc={src}
src={src}
alt={alt}
key={src}
/> :
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}
/>
)
} 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')}
startTime={time || 0}
onCloseVideo={onClose}
detailed
alt={image.get('description')}
key={image.get('url')}
/>
)
} 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}
/>
)
}
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%',
alignItems: 'center',
display: 'flex',
justifyContent: 'center',
}
const navigationClasses = CX({
d: 1,
displayNone: navigationHidden,
})
return (
<div className={[_s.d, _s.w100PC, _s.h100PC, _s.aiCenter, _s.jcCenter].join(' ')}>
<div
className={[_s.d, _s.posAbs, _s.top0, _s.right0, _s.bottom0, _s.left0].join(' ')}
role='presentation'
onClick={onClose}
>
<ReactSwipeableViews
style={swipeableViewsStyle}
containerStyle={{
alignItems: 'center',
width: '100%',
height: '100%',
}}
slideStyle={{
height: '100%',
}}
onChangeIndex={this.handleSwipe}
onSwitching={this.handleSwitching}
index={index}
>
{content}
</ReactSwipeableViews>
</div>
<div className={navigationClasses}>
<div className={[_s.posFixed, _s.top0, _s.right0, _s.mt10, _s.mr10, _s.saveAreaInsetPT, _s.saveAreaInsetPR].join(' ')}>
<Button
title={intl.formatMessage(messages.close)}
icon='close'
backgroundColor='black'
onClick={onClose}
iconSize='14px'
className={_s.py15}
/>
</div>
{
!!media && 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'
/>
}
{
!!media && 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'
/>
}
{ /** : todo :
status &&
<div className={classNames('media-modal__meta', { 'media-modal__meta--shifted': media.size > 1 })}>
<a href={status.get('url')} onClick={this.handleStatusClick}>
{intl.formatMessage(messages.viewContext)}
</a>
</div>
*/
}
</div>
{
!!media && media.size > 1 &&
<div className={[_s.d, _s.posAbs, _s.bottom0, _s.mb15].join(' ')}>
<div className={[_s.d, _s.saveAreaInsetMB, _s.bgBlackOpaque, _s.circle, _s.py10, _s.px15].join(' ')}>
<Pagination
count={media.size}
activeIndex={index}
onClick={this.handleChangeIndex}
/>
</div>
</div>
}
</div>
)
}
}
const messages = defineMessages({
close: { id: 'lightbox.close', defaultMessage: 'Close' },
previous: { id: 'lightbox.previous', defaultMessage: 'Previous' },
next: { id: 'lightbox.next', defaultMessage: 'Next' },
viewContext: { id: 'lightbox.view_context', defaultMessage: 'View context' },
})
MediaModal.propTypes = {
media: ImmutablePropTypes.list.isRequired,
status: ImmutablePropTypes.map,
index: PropTypes.number.isRequired,
onClose: PropTypes.func.isRequired,
intl: PropTypes.object.isRequired,
}
export default injectIntl(MediaModal)