bsky-app/src/view/com/composer/Composer.tsx
Samuel Newman 7d72dfb1cb
[GIFs] Restore default alt text (#3893)
* restore default alt text

* factor out gif alt logic + enable require alt text setting

* rm console.log

* don't prefill input + esc handling

* typo

* Nits

* shorten user alt prefix

* Remove unnecessary condition, rename for clarity

* Add comment

---------

Co-authored-by: Dan Abramov <dan.abramov@gmail.com>
2024-05-07 20:05:40 +01:00

664 lines
20 KiB
TypeScript

import React, {useCallback, useEffect, useMemo, useRef, useState} from 'react'
import {
ActivityIndicator,
BackHandler,
Keyboard,
KeyboardAvoidingView,
Platform,
ScrollView,
StyleSheet,
TouchableOpacity,
View,
} from 'react-native'
import {useSafeAreaInsets} from 'react-native-safe-area-context'
import {LinearGradient} from 'expo-linear-gradient'
import {RichText} from '@atproto/api'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import {msg, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {observer} from 'mobx-react-lite'
import {
createGIFDescription,
parseAltFromGIFDescription,
} from '#/lib/gif-alt-text'
import {LikelyType} from '#/lib/link-meta/link-meta'
import {logEvent} from '#/lib/statsig/statsig'
import {logger} from '#/logger'
import {emitPostCreated} from '#/state/events'
import {useModals} from '#/state/modals'
import {useRequireAltTextEnabled} from '#/state/preferences'
import {
toPostLanguages,
useLanguagePrefs,
useLanguagePrefsApi,
} from '#/state/preferences/languages'
import {useProfileQuery} from '#/state/queries/profile'
import {Gif} from '#/state/queries/tenor'
import {ThreadgateSetting} from '#/state/queries/threadgate'
import {useAgent, useSession} from '#/state/session'
import {useComposerControls} from '#/state/shell/composer'
import {useAnalytics} from 'lib/analytics/analytics'
import * as apilib from 'lib/api/index'
import {MAX_GRAPHEME_LENGTH} from 'lib/constants'
import {useIsKeyboardVisible} from 'lib/hooks/useIsKeyboardVisible'
import {usePalette} from 'lib/hooks/usePalette'
import {useWebMediaQueries} from 'lib/hooks/useWebMediaQueries'
import {cleanError} from 'lib/strings/errors'
import {insertMentionAt} from 'lib/strings/mention-manip'
import {shortenLinks} from 'lib/strings/rich-text-manip'
import {colors, gradients, s} from 'lib/styles'
import {isAndroid, isIOS, isNative, isWeb} from 'platform/detection'
import {useDialogStateControlContext} from 'state/dialogs'
import {GalleryModel} from 'state/models/media/gallery'
import {ComposerOpts} from 'state/shell/composer'
import {ComposerReplyTo} from 'view/com/composer/ComposerReplyTo'
import {atoms as a} from '#/alf'
import {Button} from '#/components/Button'
import {EmojiArc_Stroke2_Corner0_Rounded as EmojiSmile} from '#/components/icons/Emoji'
import * as Prompt from '#/components/Prompt'
import {QuoteEmbed, QuoteX} from '../util/post-embeds/QuoteEmbed'
import {Text} from '../util/text/Text'
import * as Toast from '../util/Toast'
import {UserAvatar} from '../util/UserAvatar'
import {CharProgress} from './char-progress/CharProgress'
import {ExternalEmbed} from './ExternalEmbed'
import {GifAltText} from './GifAltText'
import {LabelsBtn} from './labels/LabelsBtn'
import {Gallery} from './photos/Gallery'
import {OpenCameraBtn} from './photos/OpenCameraBtn'
import {SelectGifBtn} from './photos/SelectGifBtn'
import {SelectPhotoBtn} from './photos/SelectPhotoBtn'
import {SelectLangBtn} from './select-language/SelectLangBtn'
import {SuggestedLanguage} from './select-language/SuggestedLanguage'
// TODO: Prevent naming components that coincide with RN primitives
// due to linting false positives
import {TextInput, TextInputRef} from './text-input/TextInput'
import {ThreadgateBtn} from './threadgate/ThreadgateBtn'
import {useExternalLinkFetch} from './useExternalLinkFetch'
type Props = ComposerOpts
export const ComposePost = observer(function ComposePost({
replyTo,
onPost,
quote: initQuote,
mention: initMention,
openPicker,
text: initText,
imageUris: initImageUris,
}: Props) {
const {currentAccount} = useSession()
const {getAgent} = useAgent()
const {data: currentProfile} = useProfileQuery({did: currentAccount!.did})
const {isModalActive} = useModals()
const {closeComposer} = useComposerControls()
const {track} = useAnalytics()
const pal = usePalette('default')
const {isDesktop, isMobile} = useWebMediaQueries()
const {_} = useLingui()
const requireAltTextEnabled = useRequireAltTextEnabled()
const langPrefs = useLanguagePrefs()
const setLangPrefs = useLanguagePrefsApi()
const textInput = useRef<TextInputRef>(null)
const discardPromptControl = Prompt.usePromptControl()
const {closeAllDialogs} = useDialogStateControlContext()
const [isKeyboardVisible] = useIsKeyboardVisible({iosUseWillEvents: true})
const [isProcessing, setIsProcessing] = useState(false)
const [processingState, setProcessingState] = useState('')
const [error, setError] = useState('')
const [richtext, setRichText] = useState(
new RichText({
text: initText
? initText
: initMention
? insertMentionAt(
`@${initMention}`,
initMention.length + 1,
`${initMention}`,
) // insert mention if passed in
: '',
}),
)
const graphemeLength = useMemo(() => {
return shortenLinks(richtext).graphemeLength
}, [richtext])
const [quote, setQuote] = useState<ComposerOpts['quote'] | undefined>(
initQuote,
)
const {extLink, setExtLink} = useExternalLinkFetch({setQuote})
const [extGif, setExtGif] = useState<Gif>()
const [labels, setLabels] = useState<string[]>([])
const [threadgate, setThreadgate] = useState<ThreadgateSetting[]>([])
const gallery = useMemo(
() => new GalleryModel(initImageUris),
[initImageUris],
)
const onClose = useCallback(() => {
closeComposer()
}, [closeComposer])
const insets = useSafeAreaInsets()
const viewStyles = useMemo(
() => ({
paddingBottom:
isAndroid || (isIOS && !isKeyboardVisible) ? insets.bottom : 0,
paddingTop: isAndroid ? insets.top : isMobile ? 15 : 0,
}),
[insets, isKeyboardVisible, isMobile],
)
const onPressCancel = useCallback(() => {
if (graphemeLength > 0 || !gallery.isEmpty) {
closeAllDialogs()
if (Keyboard) {
Keyboard.dismiss()
}
discardPromptControl.open()
} else {
onClose()
}
}, [
graphemeLength,
gallery.isEmpty,
closeAllDialogs,
discardPromptControl,
onClose,
])
// android back button
useEffect(() => {
if (!isAndroid) {
return
}
const backHandler = BackHandler.addEventListener(
'hardwareBackPress',
() => {
onPressCancel()
return true
},
)
return () => {
backHandler.remove()
}
}, [onPressCancel])
// listen to escape key on desktop web
const onEscape = useCallback(
(e: KeyboardEvent) => {
if (e.key === 'Escape') {
onPressCancel()
}
},
[onPressCancel],
)
useEffect(() => {
if (isWeb && !isModalActive) {
window.addEventListener('keydown', onEscape)
return () => window.removeEventListener('keydown', onEscape)
}
}, [onEscape, isModalActive])
const onNewLink = useCallback(
(uri: string) => {
if (extLink != null) return
setExtLink({uri, isLoading: true})
},
[extLink, setExtLink],
)
const onPhotoPasted = useCallback(
async (uri: string) => {
track('Composer:PastedPhotos')
await gallery.paste(uri)
},
[gallery, track],
)
const isAltTextRequiredAndMissing = useMemo(() => {
if (!requireAltTextEnabled) return false
if (gallery.needsAltText) return true
if (extGif) {
if (!extLink?.meta?.description) return true
const parsedAlt = parseAltFromGIFDescription(extLink.meta.description)
if (!parsedAlt.isPreferred) return true
}
return false
}, [gallery.needsAltText, extLink, extGif, requireAltTextEnabled])
const onPressPublish = async () => {
if (isProcessing || graphemeLength > MAX_GRAPHEME_LENGTH) {
return
}
if (isAltTextRequiredAndMissing) {
return
}
setError('')
if (
richtext.text.trim().length === 0 &&
gallery.isEmpty &&
!extLink &&
!quote
) {
setError(_(msg`Did you want to say anything?`))
return
}
if (extLink?.isLoading) {
setError(_(msg`Please wait for your link card to finish loading`))
return
}
setIsProcessing(true)
let postUri
try {
postUri = (
await apilib.post(getAgent(), {
rawText: richtext.text,
replyTo: replyTo?.uri,
images: gallery.images,
quote,
extLink,
labels,
threadgate,
onStateChange: setProcessingState,
langs: toPostLanguages(langPrefs.postLanguage),
})
).uri
} catch (e: any) {
logger.error(e, {
message: `Composer: create post failed`,
hasImages: gallery.size > 0,
})
if (extLink) {
setExtLink({
...extLink,
isLoading: true,
localThumb: undefined,
} as apilib.ExternalEmbedDraft)
}
setError(cleanError(e.message))
setIsProcessing(false)
return
} finally {
if (postUri) {
logEvent('post:create', {
imageCount: gallery.size,
isReply: replyTo != null,
hasLink: extLink != null,
hasQuote: quote != null,
langs: langPrefs.postLanguage,
logContext: 'Composer',
})
}
track('Create Post', {
imageCount: gallery.size,
})
if (replyTo && replyTo.uri) track('Post:Reply')
}
if (postUri && !replyTo) {
emitPostCreated()
}
setLangPrefs.savePostLanguageToHistory()
onPost?.()
onClose()
Toast.show(
replyTo
? _(msg`Your reply has been published`)
: _(msg`Your post has been published`),
)
}
const canPost = useMemo(
() => graphemeLength <= MAX_GRAPHEME_LENGTH && !isAltTextRequiredAndMissing,
[graphemeLength, isAltTextRequiredAndMissing],
)
const selectTextInputPlaceholder = replyTo
? _(msg`Write your reply`)
: _(msg`What's up?`)
const canSelectImages = gallery.size < 4 && !extLink
const hasMedia = gallery.size > 0 || Boolean(extLink)
const onEmojiButtonPress = useCallback(() => {
openPicker?.(textInput.current?.getCursorPosition())
}, [openPicker])
const focusTextInput = useCallback(() => {
textInput.current?.focus()
}, [])
const onSelectGif = useCallback(
(gif: Gif) => {
setExtLink({
uri: `${gif.media_formats.gif.url}?hh=${gif.media_formats.gif.dims[1]}&ww=${gif.media_formats.gif.dims[0]}`,
isLoading: true,
meta: {
url: gif.media_formats.gif.url,
image: gif.media_formats.preview.url,
likelyType: LikelyType.HTML,
title: gif.content_description,
description: createGIFDescription(gif.content_description),
},
})
setExtGif(gif)
},
[setExtLink],
)
const handleChangeGifAltText = useCallback(
(altText: string) => {
setExtLink(ext =>
ext && ext.meta
? {
...ext,
meta: {
...ext.meta,
description: createGIFDescription(
ext.meta.title ?? '',
altText,
),
},
}
: ext,
)
},
[setExtLink],
)
return (
<KeyboardAvoidingView
testID="composePostView"
behavior={Platform.OS === 'ios' ? 'padding' : 'height'}
style={styles.outer}>
<View style={[s.flex1, viewStyles]} aria-modal accessibilityViewIsModal>
<View style={[styles.topbar, isDesktop && styles.topbarDesktop]}>
<TouchableOpacity
testID="composerDiscardButton"
onPress={onPressCancel}
onAccessibilityEscape={onPressCancel}
accessibilityRole="button"
accessibilityLabel={_(msg`Cancel`)}
accessibilityHint={_(
msg`Closes post composer and discards post draft`,
)}>
<Text style={[pal.link, s.f18]}>
<Trans>Cancel</Trans>
</Text>
</TouchableOpacity>
<View style={s.flex1} />
{isProcessing ? (
<>
<Text style={pal.textLight}>{processingState}</Text>
<View style={styles.postBtn}>
<ActivityIndicator />
</View>
</>
) : (
<>
<LabelsBtn
labels={labels}
onChange={setLabels}
hasMedia={hasMedia}
/>
{replyTo ? null : (
<ThreadgateBtn
threadgate={threadgate}
onChange={setThreadgate}
/>
)}
{canPost ? (
<TouchableOpacity
testID="composerPublishBtn"
onPress={onPressPublish}
accessibilityRole="button"
accessibilityLabel={
replyTo ? _(msg`Publish reply`) : _(msg`Publish post`)
}
accessibilityHint="">
<LinearGradient
colors={[
gradients.blueLight.start,
gradients.blueLight.end,
]}
start={{x: 0, y: 0}}
end={{x: 1, y: 1}}
style={styles.postBtn}>
<Text style={[s.white, s.f16, s.bold]}>
{replyTo ? (
<Trans context="action">Reply</Trans>
) : (
<Trans context="action">Post</Trans>
)}
</Text>
</LinearGradient>
</TouchableOpacity>
) : (
<View style={[styles.postBtn, pal.btn]}>
<Text style={[pal.textLight, s.f16, s.bold]}>
<Trans context="action">Post</Trans>
</Text>
</View>
)}
</>
)}
</View>
{isAltTextRequiredAndMissing && (
<View style={[styles.reminderLine, pal.viewLight]}>
<View style={styles.errorIcon}>
<FontAwesomeIcon
icon="exclamation"
style={{color: colors.red4}}
size={10}
/>
</View>
<Text style={[pal.text, s.flex1]}>
<Trans>One or more images is missing alt text.</Trans>
</Text>
</View>
)}
{error !== '' && (
<View style={styles.errorLine}>
<View style={styles.errorIcon}>
<FontAwesomeIcon
icon="exclamation"
style={{color: colors.red4}}
size={10}
/>
</View>
<Text style={[s.red4, s.flex1]}>{error}</Text>
</View>
)}
<ScrollView
style={styles.scrollView}
keyboardShouldPersistTaps="always">
{replyTo ? <ComposerReplyTo replyTo={replyTo} /> : undefined}
<View
style={[
pal.border,
styles.textInputLayout,
isNative && styles.textInputLayoutMobile,
]}>
<UserAvatar
avatar={currentProfile?.avatar}
size={50}
type={currentProfile?.associated?.labeler ? 'labeler' : 'user'}
/>
<TextInput
ref={textInput}
richtext={richtext}
placeholder={selectTextInputPlaceholder}
autoFocus={true}
setRichText={setRichText}
onPhotoPasted={onPhotoPasted}
onPressPublish={onPressPublish}
onNewLink={onNewLink}
onError={setError}
accessible={true}
accessibilityLabel={_(msg`Write post`)}
accessibilityHint={_(
msg`Compose posts up to ${MAX_GRAPHEME_LENGTH} characters in length`,
)}
/>
</View>
<Gallery gallery={gallery} />
{gallery.isEmpty && extLink && (
<View style={a.relative}>
<ExternalEmbed
link={extLink}
gif={extGif}
onRemove={() => {
setExtLink(undefined)
setExtGif(undefined)
}}
/>
<GifAltText
link={extLink}
gif={extGif}
onSubmit={handleChangeGifAltText}
/>
</View>
)}
{quote ? (
<View style={[s.mt5, isWeb && s.mb10]}>
<View style={{pointerEvents: 'none'}}>
<QuoteEmbed quote={quote} />
</View>
{quote.uri !== initQuote?.uri && (
<QuoteX onRemove={() => setQuote(undefined)} />
)}
</View>
) : undefined}
</ScrollView>
<SuggestedLanguage text={richtext.text} />
<View style={[pal.border, styles.bottomBar]}>
<View style={[a.flex_row, a.align_center, a.gap_xs]}>
<SelectPhotoBtn gallery={gallery} disabled={!canSelectImages} />
<OpenCameraBtn gallery={gallery} disabled={!canSelectImages} />
<SelectGifBtn
onClose={focusTextInput}
onSelectGif={onSelectGif}
disabled={hasMedia}
/>
{!isMobile ? (
<Button
onPress={onEmojiButtonPress}
style={a.p_sm}
label={_(msg`Open emoji picker`)}
accessibilityHint={_(msg`Open emoji picker`)}
variant="ghost"
shape="round"
color="primary">
<EmojiSmile size="lg" />
</Button>
) : null}
</View>
<View style={s.flex1} />
<SelectLangBtn />
<CharProgress count={graphemeLength} />
</View>
</View>
<Prompt.Basic
control={discardPromptControl}
title={_(msg`Discard draft?`)}
description={_(msg`Are you sure you'd like to discard this draft?`)}
onConfirm={onClose}
confirmButtonCta={_(msg`Discard`)}
confirmButtonColor="negative"
/>
</KeyboardAvoidingView>
)
})
const styles = StyleSheet.create({
outer: {
flexDirection: 'column',
flex: 1,
height: '100%',
},
topbar: {
flexDirection: 'row',
alignItems: 'center',
paddingTop: 6,
paddingBottom: 4,
paddingHorizontal: 20,
height: 55,
gap: 4,
},
topbarDesktop: {
paddingTop: 10,
paddingBottom: 10,
},
postBtn: {
borderRadius: 20,
paddingHorizontal: 20,
paddingVertical: 6,
marginLeft: 12,
},
errorLine: {
flexDirection: 'row',
backgroundColor: colors.red1,
borderRadius: 6,
marginHorizontal: 15,
paddingHorizontal: 8,
paddingVertical: 6,
marginVertical: 6,
},
reminderLine: {
flexDirection: 'row',
alignItems: 'center',
borderRadius: 6,
marginHorizontal: 15,
paddingHorizontal: 8,
paddingVertical: 6,
marginBottom: 6,
},
errorIcon: {
borderWidth: 1,
borderColor: colors.red4,
color: colors.red4,
borderRadius: 30,
width: 16,
height: 16,
alignItems: 'center',
justifyContent: 'center',
marginRight: 5,
},
scrollView: {
flex: 1,
paddingHorizontal: 15,
},
textInputLayout: {
flexDirection: 'row',
borderTopWidth: 1,
paddingTop: 16,
},
textInputLayoutMobile: {
flex: 1,
},
addExtLinkBtn: {
borderWidth: 1,
borderRadius: 24,
paddingHorizontal: 16,
paddingVertical: 12,
marginHorizontal: 10,
marginBottom: 4,
},
bottomBar: {
flexDirection: 'row',
paddingVertical: 4,
paddingLeft: 15,
paddingRight: 20,
alignItems: 'center',
borderTopWidth: 1,
},
})