Mount message dialogs once at the list level (#10435)

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

src/components/dms/MessageItem.tsx

@@ -40,8 +40,8 @@ import {useSession} from '#/state/session'
 import {atoms as a, native, platform, useTheme} from '#/alf'
 import {isOnlyEmoji} from '#/alf/typography'
 import {Button} from '#/components/Button'
-import {useDialogControl} from '#/components/Dialog'
 import {ActionsWrapper} from '#/components/dms/ActionsWrapper'
+import {useMessageDialogs} from '#/components/dms/MessageOverlays'
 import {InlineLinkText, Link} from '#/components/Link'
 import * as ProfileCard from '#/components/ProfileCard'
 import * as Prompt from '#/components/Prompt'
@@ -49,7 +49,7 @@ import {RichText} from '#/components/RichText'
 import {Text} from '#/components/Typography'
 import {DateDivider} from './DateDivider'
 import {MessageItemEmbed} from './MessageItemEmbed'
-import {ReactionsDialog} from './ReactionsDialog'
+import {groupReactions} from './ReactionsDialog'
 import {CLUSTERED_MESSAGE_THRESHOLD_MS, MESSAGE_GAP_THRESHOLD_MS} from './util'
 
 const AVATAR_SIZE = 28
@@ -118,7 +118,7 @@ let MessageItem = ({
   const {message} = item
   const profile = useMaybeProfileShadow(relatedProfiles.get(message.sender.did))
 
-  const reactionsControl = useDialogControl()
+  const {openReactions} = useMessageDialogs()
 
   const isPending = item.type === 'pending-message'
 
@@ -243,34 +243,10 @@ let MessageItem = ({
       <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 groupedReactions = useMemo(
+    () => groupReactions(message.reactions),
+    [message.reactions],
+  )
 
   const reactions = useMemo(() => message.reactions ?? [], [message.reactions])
 
@@ -336,7 +312,7 @@ let MessageItem = ({
                 transform: [{translateY: -8}],
               },
             ]}
-            onPress={isGroupChat ? reactionsControl.open : undefined}>
+            onPress={isGroupChat ? () => openReactions(message) : undefined}>
             {groupedReactions.map(group => (
               <Animated.View
                 entering={native(ZoomIn.springify(200).delay(400))}
@@ -377,13 +353,6 @@ let MessageItem = ({
           </Pressable>
         </View>
       ) : null}
-      <ReactionsDialog
-        control={reactionsControl}
-        relatedProfiles={relatedProfiles}
-        message={message}
-        reactions={message.reactions}
-        groupedReactions={groupedReactions}
-      />
     </LayoutAnimationConfig>
   )