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bsky-social-app/src/components/dms/MessageItem.tsx
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2026-05-07 13:24:55 -07:00

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import {memo, useEffect, useMemo} from 'react'
import {
type GestureResponderEvent,
Pressable,
type StyleProp,
type TextStyle,
View,
type ViewStyle,
} from 'react-native'
import Animated, {
FadeIn,
FadeOut,
LayoutAnimationConfig,
LinearTransition,
useAnimatedStyle,
useSharedValue,
withTiming,
ZoomIn,
ZoomOut,
} from 'react-native-reanimated'
import {
AppBskyEmbedRecord,
ChatBskyConvoDefs,
RichText as RichTextAPI,
} from '@atproto/api'
import {plural} from '@lingui/core/macro'
import {Trans, useLingui} from '@lingui/react/macro'
import {useQueryClient} from '@tanstack/react-query'
import {createSanitizedDisplayName} from '#/lib/moderation/create-sanitized-display-name'
import {makeProfileLink} from '#/lib/routes/links'
import {type ConvoItem} from '#/state/messages/convo/types'
import {useModerationOpts} from '#/state/preferences/moderation-opts'
import {unstableCacheProfileView} from '#/state/queries/unstable-profile-cache'
import {useSession} from '#/state/session'
import {atoms as a, native, platform, useTheme} from '#/alf'
import {isOnlyEmoji} from '#/alf/typography'
import {useDialogControl} from '#/components/Dialog'
import {ActionsWrapper} from '#/components/dms/ActionsWrapper'
import {InlineLinkText, Link} from '#/components/Link'
import * as ProfileCard from '#/components/ProfileCard'
import {RichText} from '#/components/RichText'
import {Text} from '#/components/Typography'
import {DateDivider} from './DateDivider'
import {MessageItemEmbed} from './MessageItemEmbed'
import {ReactionsDialog} from './ReactionsDialog'
const AVATAR_SIZE = 28
const CLUSTERED_MESSAGE_GAP = 2
const BORDER_RADIUS = 18
const SQUARED_BORDER_RADIUS = 4
const DISPLAY_NAME_INSET = 22
const CLUSTERED_MESSAGE_THRESHOLD_MS = 5 * 60 * 1000
const MESSAGE_GAP_THRESHOLD_MS = 60 * 60 * 1000
function isWithinClusterBoundary({
isPending,
adjacentMessage,
isFromSameSender,
currentSentAt,
direction,
}: {
isPending: boolean
adjacentMessage:
| ChatBskyConvoDefs.MessageView
| ChatBskyConvoDefs.DeletedMessageView
| null
isFromSameSender: boolean
currentSentAt: string
direction: 'prev' | 'next'
}): boolean {
if (!isFromSameSender) return true
if (isPending && adjacentMessage) return false
if (ChatBskyConvoDefs.isMessageView(adjacentMessage)) {
const thisDate = new Date(currentSentAt)
const adjDate = new Date(adjacentMessage.sentAt)
const diff =
direction === 'next'
? adjDate.getTime() - thisDate.getTime()
: thisDate.getTime() - adjDate.getTime()
return diff > CLUSTERED_MESSAGE_THRESHOLD_MS
}
return true
}
let MessageItem = ({
item,
isGroupChat = false,
}: {
item: ConvoItem & {type: 'message' | 'pending-message'}
isGroupChat?: boolean
}): React.ReactNode => {
const t = useTheme()
const {currentAccount} = useSession()
const {t: l} = useLingui()
const moderationOpts = useModerationOpts()
const queryClient = useQueryClient()
const profile = item.relatedProfiles.get(item.message.sender.did)
const reactionsControl = useDialogControl()
const {message, nextMessage, prevMessage} = item
const isPending = item.type === 'pending-message'
const displayName = profile ? createSanitizedDisplayName(profile) : null
const isFromSelf =
message.sender?.did != null && message.sender.did === currentAccount?.did
const prevIsMessage = ChatBskyConvoDefs.isMessageView(prevMessage)
const nextIsMessage = ChatBskyConvoDefs.isMessageView(nextMessage)
const isPrevFromSameSender =
prevIsMessage &&
prevMessage.sender?.did === message.sender?.did &&
message.sender?.did != null
const isNextFromSameSender =
nextIsMessage &&
nextMessage.sender?.did === message.sender?.did &&
message.sender?.did != null
const isFirstInCluster = isWithinClusterBoundary({
isPending,
adjacentMessage: prevMessage,
isFromSameSender: isPrevFromSameSender,
currentSentAt: message.sentAt,
direction: 'prev',
})
const isLastInCluster = isWithinClusterBoundary({
isPending,
adjacentMessage: nextMessage,
isFromSameSender: isNextFromSameSender,
currentSentAt: message.sentAt,
direction: 'next',
})
const hasLargeGapFromPrev =
!ChatBskyConvoDefs.isMessageView(prevMessage) ||
new Date(message.sentAt).getTime() -
new Date(prevMessage.sentAt).getTime() >
MESSAGE_GAP_THRESHOLD_MS
const isInCluster = !(isFirstInCluster && isLastInCluster)
const isInMiddleOfCluster =
isInCluster && !isFirstInCluster && !isLastInCluster
const hasReactions = message.reactions && message.reactions.length > 0
const prevHasReactions =
prevIsMessage && prevMessage.reactions && prevMessage.reactions.length > 0
const isNextEmojiOnly = nextIsMessage && isOnlyEmoji(nextMessage.text)
const isPrevEmojiOnly = prevIsMessage && isOnlyEmoji(prevMessage.text)
const squaredBottomCorner =
!hasReactions &&
!isNextEmojiOnly &&
isInCluster &&
(isInMiddleOfCluster || isFirstInCluster)
const squaredTopCorner =
!prevHasReactions &&
!isPrevEmojiOnly &&
isInCluster &&
(isInMiddleOfCluster || isLastInCluster)
const pendingColor = t.palette.primary_300
const rt = new RichTextAPI({text: message.text, facets: message.facets})
const hasEmbedAndText =
AppBskyEmbedRecord.isView(message.embed) && rt.text.length > 0
const targetBottomRadius = squaredBottomCorner
? SQUARED_BORDER_RADIUS
: BORDER_RADIUS
const targetTopRadius =
squaredTopCorner || hasEmbedAndText ? SQUARED_BORDER_RADIUS : BORDER_RADIUS
const bottomRadiusSV = useSharedValue(targetBottomRadius)
const topRadiusSV = useSharedValue(targetTopRadius)
const showDisplayName =
isGroupChat && !isFromSelf && isFirstInCluster && !isOnlyEmoji(message.text)
const showAvatar = isGroupChat && !isFromSelf && isLastInCluster
useEffect(() => {
bottomRadiusSV.set(withTiming(targetBottomRadius, {duration: 300}))
}, [targetBottomRadius, bottomRadiusSV])
useEffect(() => {
topRadiusSV.set(withTiming(targetTopRadius, {duration: 300}))
}, [targetTopRadius, topRadiusSV])
const borderRadiusStyle = useAnimatedStyle(() =>
isFromSelf
? {
borderBottomRightRadius: bottomRadiusSV.get(),
borderTopRightRadius: topRadiusSV.get(),
}
: {
borderBottomLeftRadius: bottomRadiusSV.get(),
borderTopLeftRadius: topRadiusSV.get(),
},
)
const avatar =
profile && moderationOpts ? (
<Link
label={l`${createSanitizedDisplayName(profile)}s avatar`}
accessibilityHint={l`Opens this profile`}
to={makeProfileLink({
did: profile.did,
handle: profile.handle,
})}
onPress={() => unstableCacheProfileView(queryClient, profile)}>
<ProfileCard.Avatar
profile={profile}
size={AVATAR_SIZE}
moderationOpts={moderationOpts}
disabledPreview
/>
</Link>
) : (
<ProfileCard.AvatarPlaceholder size={AVATAR_SIZE} />
)
const groupedReactions = useMemo(() => {
const reactions = message.reactions ?? []
const grouped = new Map<
string,
{
key: string
value: string
senders: ChatBskyConvoDefs.ReactionViewSender[]
count: number
}
>()
for (const reaction of reactions) {
if (!reaction) continue
const existing = grouped.get(reaction.value)
if (existing) {
existing.senders.push(reaction.sender)
existing.count++
} else {
grouped.set(reaction.value, {
key: reaction.value,
value: reaction.value,
senders: [reaction.sender],
count: 1,
})
}
}
return Array.from(grouped.values())
}, [message.reactions])
const reactions = useMemo(() => message.reactions ?? [], [message.reactions])
const hasSelfReacted = reactions.some(
r => r.sender.did === currentAccount?.did,
)
const reactionsLabel = useMemo(() => {
if (reactions.length === 0) return ''
if (reactions.length === 1) {
const reaction = reactions[0]
const sender = reaction.sender
if (sender.did === currentAccount?.did) {
return l`You reacted ${reaction.value}`
} else {
const senderDid = reaction.sender.did
const memberSender = item.relatedProfiles.get(senderDid)
if (memberSender) {
return l`${createSanitizedDisplayName(memberSender)} reacted ${reaction.value}`
}
return l`Someone reacted ${reaction.value}`
}
}
return l`${plural(reactions.length, {
one: '# person',
other: '# people',
})} reacted ${groupedReactions.map(g => g.value).join(' ')}`
}, [
reactions,
groupedReactions,
currentAccount?.did,
item.relatedProfiles,
l,
])
const appliedReactions = (
<LayoutAnimationConfig skipEntering skipExiting>
{hasReactions ? (
<View
style={[
a.relative,
a.bottom_0,
isFromSelf ? [a.align_end] : [a.ml_sm, a.align_start],
a.px_sm,
]}>
<Pressable
accessible={true}
accessibilityLabel={reactionsLabel}
accessibilityHint={
isGroupChat ? l`Tap to view reactions` : undefined
}
style={[
a.flex_row,
a.gap_2xs,
a.px_xs,
isFromSelf ? a.justify_end : a.justify_start,
a.flex_wrap,
a.rounded_lg,
a.border,
t.atoms.border_contrast_low,
t.atoms.shadow_xs,
hasSelfReacted
? {
backgroundColor: t.palette.primary_100,
}
: t.atoms.bg_contrast_25,
{
paddingTop: platform({android: 2, default: 3}),
paddingBottom: platform({android: 2, default: 3}),
transform: [{translateY: -8}],
},
]}
onPress={isGroupChat ? reactionsControl.open : undefined}>
{groupedReactions.map(group => (
<Animated.View
entering={native(ZoomIn.springify(200).delay(400))}
exiting={
groupedReactions.length > 1
? native(ZoomOut.delay(200))
: undefined
}
layout={native(LinearTransition.delay(300))}
key={group.value}
style={[a.py_2xs]}>
<Text
emoji
style={[
a.text_xs,
{textAlignVertical: 'center', includeFontPadding: false},
]}>
{group.value}
</Text>
</Animated.View>
))}
{groupedReactions.length !== reactions.length &&
reactions.length > 1 ? (
<View style={[a.p_2xs, a.pl_0, a.justify_center]}>
<Text
style={[
a.text_xs,
hasSelfReacted
? {
color: t.palette.primary_900,
}
: t.atoms.text_contrast_high,
{textAlignVertical: 'center', includeFontPadding: false},
]}>
{reactions.length}
</Text>
</View>
) : null}
</Pressable>
</View>
) : null}
<ReactionsDialog
control={reactionsControl}
relatedProfiles={item.relatedProfiles}
message={message}
reactions={message.reactions}
groupedReactions={groupedReactions}
/>
</LayoutAnimationConfig>
)
const messageInset = platform<ViewStyle | undefined>({
ios: isFromSelf ? a.mr_md : isGroupChat ? a.ml_md : a.ml_sm,
android: isFromSelf ? a.mr_sm : isGroupChat ? a.ml_sm : undefined,
web: isFromSelf ? a.mr_sm : isGroupChat ? a.ml_sm : undefined,
})
return (
<>
<LayoutAnimationConfig skipExiting skipEntering>
{hasLargeGapFromPrev && (
<Animated.View entering={native(FadeIn)} exiting={native(FadeOut)}>
<DateDivider date={message.sentAt} />
</Animated.View>
)}
</LayoutAnimationConfig>
<View style={[messageInset, isFirstInCluster && a.mt_md]}>
<View style={[a.relative]}>
{showAvatar ? (
<View
style={[
a.absolute,
a.bottom_0,
a.z_50,
{
transform: [{translateY: hasReactions ? -24 : 0}],
},
]}>
{avatar}
</View>
) : null}
<View
style={[
a.flex_grow,
!isFromSelf && isGroupChat && {paddingLeft: AVATAR_SIZE},
]}>
{displayName && showDisplayName ? (
<Text
style={[
a.text_xs,
t.atoms.text_contrast_medium,
a.pt_xs,
a.pb_2xs,
{paddingLeft: DISPLAY_NAME_INSET},
]}
emoji>
{displayName}
</Text>
) : null}
<ActionsWrapper
hasReactions={hasReactions}
isFromSelf={isFromSelf}
message={message}
senderProfile={profile}>
{AppBskyEmbedRecord.isView(message.embed) && (
<MessageItemEmbed
embed={message.embed}
isFromSelf={isFromSelf}
squaredBottomCorner={squaredBottomCorner || hasEmbedAndText}
squaredTopCorner={squaredTopCorner}
/>
)}
{rt.text.length > 0 && (
<Animated.View
accessibilityHint={l`Double tap or long press the message to add a reaction`}
style={[
!isFromSelf && a.ml_sm,
...(isOnlyEmoji(message.text)
? []
: [
a.rounded_xl,
a.py_sm,
a.px_md,
{
marginTop: isFirstInCluster
? 0
: CLUSTERED_MESSAGE_GAP,
backgroundColor: isFromSelf
? isPending
? pendingColor
: t.palette.primary_500
: t.palette.contrast_50,
},
isFromSelf ? a.self_end : a.self_start,
borderRadiusStyle,
]),
]}>
<RichText
value={rt}
style={[
a.text_md,
isFromSelf && {color: t.palette.white},
// Emoji-only: add top leading to avoid clipping the
// glyph, then pull the bottom up by the same amount so
// the glyph bottom-aligns with the avatar instead of
// sitting above its line-box baseline.
isOnlyEmoji(message.text) && [
a.leading_tight,
// Visually align bottom of the emoji with the avatar
!isFromSelf &&
platform({
android: {marginTop: a.mt_2xs.marginTop},
default: {marginBottom: -a.mb_sm.marginBottom},
}),
],
]}
interactiveStyle={a.underline}
enableTags
emojiMultiplier={3}
shouldProxyLinks={true}
/>
</Animated.View>
)}
{appliedReactions}
</ActionsWrapper>
</View>
</View>
{isLastInCluster && (
<MessageItemMetadata
item={item}
style={[isFromSelf ? a.text_right : a.text_left]}
/>
)}
</View>
</>
)
}
MessageItem = memo(MessageItem)
export {MessageItem}
let MessageItemMetadata = ({
item,
style,
}: {
item: ConvoItem & {type: 'message' | 'pending-message'}
style: StyleProp<TextStyle>
}): React.ReactNode => {
const t = useTheme()
const {t: l} = useLingui()
const handleRetry = (e: GestureResponderEvent) => {
if (item.type === 'pending-message' && item.retry) {
e.preventDefault()
item.retry()
return false
}
}
const errorColor = t.palette.negative_400
switch (item.type) {
case 'pending-message':
return item.failed ? (
<Text style={[a.text_xs, a.my_2xs, {color: errorColor}, style]}>
<Text style={[a.text_xs, {color: errorColor}]}>
<Trans>Message failed to send.</Trans>
</Text>
{item.retry && (
<>
{' '}
<InlineLinkText
label={l`Click to retry failed message`}
to="#"
onPress={handleRetry}
style={[a.text_xs, {color: errorColor}]}>
<Trans>Tap to retry</Trans>
</InlineLinkText>
.
</>
)}
</Text>
) : null
default:
return null
}
}
MessageItemMetadata = memo(MessageItemMetadata)
export {MessageItemMetadata}