tooot/src/components/Timeline/Shared/Attachment.tsx

import analytics from '@components/analytics'
import Button from '@components/Button'
import haptics from '@components/haptics'
import AttachmentAudio from '@components/Timeline/Shared/Attachment/Audio'
import AttachmentImage from '@components/Timeline/Shared/Attachment/Image'
import AttachmentUnsupported from '@components/Timeline/Shared/Attachment/Unsupported'
import AttachmentVideo from '@components/Timeline/Shared/Attachment/Video'
import { useNavigation } from '@react-navigation/native'
import { StyleConstants } from '@utils/styles/constants'
import layoutAnimation from '@utils/styles/layoutAnimation'
import React, { useCallback, useMemo, useState } from 'react'
import { useTranslation } from 'react-i18next'
import { Pressable, StyleSheet, View } from 'react-native'

export interface Props {
  status: Pick<Mastodon.Status, 'media_attachments' | 'sensitive'>
}

const TimelineAttachment = React.memo(
  ({ status }: Props) => {
    const { t } = useTranslation('componentTimeline')

    const [sensitiveShown, setSensitiveShown] = useState(status.sensitive)
    const onPressBlurView = useCallback(() => {
      analytics('timeline_shared_attachment_blurview_press_show')
      layoutAnimation()
      setSensitiveShown(false)
      haptics('Light')
    }, [])
    const onPressShow = useCallback(() => {
      analytics('timeline_shared_attachment_blurview_press_hide')
      setSensitiveShown(true)
      haptics('Light')
    }, [])

    let imageUrls: Nav.RootStackParamList['Screen-ImagesViewer']['imageUrls'] = []
    const navigation = useNavigation()
    const navigateToImagesViewer = (id: string) =>
      navigation.navigate('Screen-ImagesViewer', {
        imageUrls,
        id
      })
    const attachments = useMemo(
      () =>
        status.media_attachments.map((attachment, index) => {
          switch (attachment.type) {
            case 'image':
              imageUrls.push({
                id: attachment.id,
                url: attachment.url,
                remote_url: attachment.remote_url,
                width: attachment.meta?.original?.width,
                height: attachment.meta?.original?.height
              })
              return (
                <AttachmentImage
                  key={index}
                  total={status.media_attachments.length}
                  index={index}
                  sensitiveShown={sensitiveShown}
                  image={attachment}
                  navigateToImagesViewer={navigateToImagesViewer}
                />
              )
            case 'video':
              return (
                <AttachmentVideo
                  key={index}
                  total={status.media_attachments.length}
                  index={index}
                  sensitiveShown={sensitiveShown}
                  video={attachment}
                />
              )
            case 'gifv':
              return (
                <AttachmentVideo
                  key={index}
                  total={status.media_attachments.length}
                  index={index}
                  sensitiveShown={sensitiveShown}
                  video={attachment}
                  gifv
                />
              )
            case 'audio':
              return (
                <AttachmentAudio
                  key={index}
                  total={status.media_attachments.length}
                  index={index}
                  sensitiveShown={sensitiveShown}
                  audio={attachment}
                />
              )
            default:
              return (
                <AttachmentUnsupported
                  key={index}
                  total={status.media_attachments.length}
                  index={index}
                  sensitiveShown={sensitiveShown}
                  attachment={attachment}
                />
              )
          }
        }),
      [sensitiveShown]
    )

    return (
      <View>
        <View style={styles.container} children={attachments} />

        {status.sensitive &&
          (sensitiveShown ? (
            <Pressable style={styles.sensitiveBlur}>
              <Button
                type='text'
                content={t('shared.attachment.sensitive.button')}
                overlay
                onPress={onPressBlurView}
              />
            </Pressable>
          ) : (
            <Button
              type='icon'
              content='EyeOff'
              round
              overlay
              onPress={onPressShow}
              style={{
                position: 'absolute',
                top: StyleConstants.Spacing.S * 2,
                left: StyleConstants.Spacing.S
              }}
            />
          ))}
      </View>
    )
  },
  () => true
)

const styles = StyleSheet.create({
  container: {
    marginTop: StyleConstants.Spacing.S,
    flex: 1,
    flexDirection: 'row',
    flexWrap: 'wrap',
    justifyContent: 'center',
    alignContent: 'stretch'
  },
  sensitiveBlur: {
    position: 'absolute',
    width: '100%',
    height: '100%',
    flex: 1,
    justifyContent: 'center',
    alignItems: 'center'
  },
  sensitiveBlurButton: {
    padding: StyleConstants.Spacing.S,
    borderRadius: 6
  },
  sensitiveText: {
    ...StyleConstants.FontStyle.M
  }
})

export default TimelineAttachment