Fix labeler header scroll and loading/error states (#8088)

* add forwardRef to Layout.Content

* lift scrollview up out of inner component

* fix scrolling on android (#8188)

src/components/Layout/index.tsx

@@ -1,12 +1,12 @@
-import React, {useContext, useMemo} from 'react'
-import {StyleSheet, View, ViewProps, ViewStyle} from 'react-native'
-import {StyleProp} from 'react-native'
+import {forwardRef, memo, useContext, useMemo} from 'react'
+import {StyleSheet, View, type ViewProps, type ViewStyle} from 'react-native'
+import {type StyleProp} from 'react-native'
 import {
   KeyboardAwareScrollView,
-  KeyboardAwareScrollViewProps,
+  type KeyboardAwareScrollViewProps,
 } from 'react-native-keyboard-controller'
 import Animated, {
-  AnimatedScrollViewProps,
+  type AnimatedScrollViewProps,
   useAnimatedProps,
 } from 'react-native-reanimated'
 import {useSafeAreaInsets} from 'react-native-safe-area-context'
@@ -35,7 +35,7 @@ export type ScreenProps = React.ComponentProps<typeof View> & {
 /**
  * Outermost component of every screen
  */
-export const Screen = React.memo(function Screen({
+export const Screen = memo(function Screen({
   style,
   noInsetTop,
   ...props
@@ -61,13 +61,17 @@ export type ContentProps = AnimatedScrollViewProps & {
 /**
  * Default scroll view for simple pages
  */
-export const Content = React.memo(function Content({
+export const Content = memo(
+  forwardRef<Animated.ScrollView, ContentProps>(function Content(
+    {
       children,
       style,
       contentContainerStyle,
       ignoreTabletLayoutOffset,
       ...props
-}: ContentProps) {
+    },
+    ref,
+  ) {
     const t = useTheme()
     const {footerHeight} = useShellLayout()
     const animatedProps = useAnimatedProps(() => {
@@ -82,6 +86,7 @@ export const Content = React.memo(function Content({
 
     return (
       <Animated.ScrollView
+        ref={ref}
         id="content"
         automaticallyAdjustsScrollIndicatorInsets={false}
         indicatorStyle={t.scheme === 'dark' ? 'white' : 'black'}
@@ -103,7 +108,8 @@ export const Content = React.memo(function Content({
         )}
       </Animated.ScrollView>
     )
-})
+  }),
+)
 
 const scrollViewStyles = StyleSheet.create({
   common: {
@@ -124,7 +130,7 @@ export type KeyboardAwareContentProps = KeyboardAwareScrollViewProps & {
  *
  * BE SURE TO TEST THIS WHEN USING, it's untested as of writing this comment.
  */
-export const KeyboardAwareContent = React.memo(function LayoutScrollView({
+export const KeyboardAwareContent = memo(function LayoutKeyboardAwareContent({
   children,
   style,
   contentContainerStyle,
@@ -147,7 +153,7 @@ export const KeyboardAwareContent = React.memo(function LayoutScrollView({
 /**
  * Utility component to center content within the screen
  */
-export const Center = React.memo(function LayoutContent({
+export const Center = memo(function LayoutCenter({
   children,
   style,
   ignoreTabletLayoutOffset,
@@ -192,7 +198,7 @@ export const Center = React.memo(function LayoutContent({
 /**
  * Only used within `Layout.Screen`, not for reuse
  */
-const WebCenterBorders = React.memo(function LayoutContent() {
+const WebCenterBorders = memo(function LayoutWebCenterBorders() {
   const t = useTheme()
   const {gtMobile} = useBreakpoints()
   const {centerColumnOffset} = useLayoutBreakpoints()

src/screens/Profile/Sections/Feed.tsx

@@ -7,16 +7,16 @@ import {useQueryClient} from '@tanstack/react-query'
 import {useInitialNumToRender} from '#/lib/hooks/useInitialNumToRender'
 import {usePalette} from '#/lib/hooks/usePalette'
 import {isNative} from '#/platform/detection'
-import {FeedDescriptor} from '#/state/queries/post-feed'
+import {type FeedDescriptor} from '#/state/queries/post-feed'
 import {RQKEY as FEED_RQKEY} from '#/state/queries/post-feed'
 import {truncateAndInvalidate} from '#/state/queries/util'
 import {PostFeed} from '#/view/com/posts/PostFeed'
 import {EmptyState} from '#/view/com/util/EmptyState'
-import {ListRef} from '#/view/com/util/List'
+import {type ListRef} from '#/view/com/util/List'
 import {LoadLatestBtn} from '#/view/com/util/load-latest/LoadLatestBtn'
 import {Text} from '#/view/com/util/text/Text'
 import {ios} from '#/alf'
-import {SectionRef} from './types'
+import {type SectionRef} from './types'
 
 interface FeedSectionProps {
   feed: FeedDescriptor
@@ -58,6 +58,7 @@ export const ProfileFeedSection = React.forwardRef<
     truncateAndInvalidate(queryClient, FEED_RQKEY(feed))
     setHasNew(false)
   }, [scrollElRef, headerHeight, queryClient, feed, setHasNew])
+
   React.useImperativeHandle(ref, () => ({
     scrollToTop: onScrollToTop,
   }))

src/screens/Profile/Sections/Labels.tsx

@@ -1,11 +1,12 @@
 import React from 'react'
 import {findNodeHandle, View} from 'react-native'
+import type Animated from 'react-native-reanimated'
 import {useSafeAreaFrame} from 'react-native-safe-area-context'
 import {
-  AppBskyLabelerDefs,
-  InterpretedLabelValueDefinition,
+  type AppBskyLabelerDefs,
+  type InterpretedLabelValueDefinition,
   interpretLabelValueDefinitions,
-  ModerationOpts,
+  type ModerationOpts,
 } from '@atproto/api'
 import {msg, Trans} from '@lingui/macro'
 import {useLingui} from '@lingui/react'
@@ -14,7 +15,7 @@ import {useAnimatedScrollHandler} from '#/lib/hooks/useAnimatedScrollHandler_FIX
 import {isLabelerSubscribed, lookupLabelValueDefinition} from '#/lib/moderation'
 import {useScrollHandlers} from '#/lib/ScrollContext'
 import {isNative} from '#/platform/detection'
-import {ListRef} from '#/view/com/util/List'
+import {type ListRef} from '#/view/com/util/List'
 import {atoms as a, useTheme} from '#/alf'
 import {Divider} from '#/components/Divider'
 import {CircleInfo_Stroke2_Corner0_Rounded as CircleInfo} from '#/components/icons/CircleInfo'
@@ -23,7 +24,7 @@ import {Loader} from '#/components/Loader'
 import {LabelerLabelPreference} from '#/components/moderation/LabelPreference'
 import {Text} from '#/components/Typography'
 import {ErrorState} from '../ErrorState'
-import {SectionRef} from './types'
+import {type SectionRef} from './types'
 
 interface LabelsSectionProps {
   isLabelerLoading: boolean
@@ -54,64 +55,6 @@ export const ProfileLabelsSection = React.forwardRef<
   const {_} = useLingui()
   const {height: minHeight} = useSafeAreaFrame()
 
-  const onScrollToTop = React.useCallback(() => {
-    // @ts-ignore TODO fix this
-    scrollElRef.current?.scrollTo({
-      animated: isNative,
-      x: 0,
-      y: -headerHeight,
-    })
-  }, [scrollElRef, headerHeight])
-
-  React.useImperativeHandle(ref, () => ({
-    scrollToTop: onScrollToTop,
-  }))
-
-  React.useEffect(() => {
-    if (isFocused && scrollElRef.current) {
-      const nativeTag = findNodeHandle(scrollElRef.current)
-      setScrollViewTag(nativeTag)
-    }
-  }, [isFocused, scrollElRef, setScrollViewTag])
-
-  return (
-    <Layout.Center style={{flex: 1, minHeight}}>
-      {isLabelerLoading ? (
-        <View style={[a.w_full, a.align_center]}>
-          <Loader size="xl" />
-        </View>
-      ) : labelerError || !labelerInfo ? (
-        <ErrorState
-          error={
-            labelerError?.toString() ||
-            _(msg`Something went wrong, please try again.`)
-          }
-        />
-      ) : (
-        <ProfileLabelsSectionInner
-          moderationOpts={moderationOpts}
-          labelerInfo={labelerInfo}
-          scrollElRef={scrollElRef}
-          headerHeight={headerHeight}
-        />
-      )}
-    </Layout.Center>
-  )
-})
-
-export function ProfileLabelsSectionInner({
-  moderationOpts,
-  labelerInfo,
-  scrollElRef,
-  headerHeight,
-}: {
-  moderationOpts: ModerationOpts
-  labelerInfo: AppBskyLabelerDefs.LabelerViewDetailed
-  scrollElRef: ListRef
-  headerHeight: number
-}) {
-  const t = useTheme()
-
   // Intentionally destructured outside the main thread closure.
   // See https://github.com/bluesky-social/social-app/pull/4108.
   const {
@@ -135,6 +78,70 @@ export function ProfileLabelsSectionInner({
     },
   })
 
+  const onScrollToTop = React.useCallback(() => {
+    // @ts-ignore TODO fix this
+    scrollElRef.current?.scrollTo({
+      animated: isNative,
+      x: 0,
+      y: -headerHeight,
+    })
+  }, [scrollElRef, headerHeight])
+
+  React.useImperativeHandle(ref, () => ({
+    scrollToTop: onScrollToTop,
+  }))
+
+  React.useEffect(() => {
+    if (isFocused && scrollElRef.current) {
+      const nativeTag = findNodeHandle(scrollElRef.current)
+      setScrollViewTag(nativeTag)
+    }
+  }, [isFocused, scrollElRef, setScrollViewTag])
+
+  return (
+    <Layout.Center style={{minHeight}}>
+      <Layout.Content
+        ref={scrollElRef as React.Ref<Animated.ScrollView>}
+        scrollEventThrottle={1}
+        contentContainerStyle={{
+          paddingTop: headerHeight,
+          borderWidth: 0,
+        }}
+        contentOffset={{x: 0, y: headerHeight * -1}}
+        onScroll={scrollHandler}>
+        {isLabelerLoading ? (
+          <View style={[a.w_full, a.align_center, a.py_4xl]}>
+            <Loader size="xl" />
+          </View>
+        ) : labelerError || !labelerInfo ? (
+          <View style={[a.w_full, a.align_center, a.py_4xl]}>
+            <ErrorState
+              error={
+                labelerError?.toString() ||
+                _(msg`Something went wrong, please try again.`)
+              }
+            />
+          </View>
+        ) : (
+          <ProfileLabelsSectionInner
+            moderationOpts={moderationOpts}
+            labelerInfo={labelerInfo}
+          />
+        )}
+      </Layout.Content>
+    </Layout.Center>
+  )
+})
+
+export function ProfileLabelsSectionInner({
+  moderationOpts,
+  labelerInfo,
+}: {
+  moderationOpts: ModerationOpts
+  labelerInfo: AppBskyLabelerDefs.LabelerViewDetailed
+}) {
+  const t = useTheme()
+
   const {labelValues} = labelerInfo.policies
   const isSubscribed = isLabelerSubscribed(labelerInfo, moderationOpts)
   const labelDefs = React.useMemo(() => {
@@ -147,16 +154,6 @@ export function ProfileLabelsSectionInner({
   }, [labelerInfo, labelValues])
 
   return (
-    <Layout.Content
-      // @ts-expect-error TODO fix this
-      ref={scrollElRef}
-      scrollEventThrottle={1}
-      contentContainerStyle={{
-        paddingTop: headerHeight,
-        borderWidth: 0,
-      }}
-      contentOffset={{x: 0, y: headerHeight * -1}}
-      onScroll={scrollHandler}>
     <View style={[a.pt_xl, a.px_lg, a.border_t, t.atoms.border_contrast_low]}>
       <View>
         <Text style={[t.atoms.text_contrast_high, a.leading_snug, a.text_sm]}>
@@ -186,8 +183,8 @@ export function ProfileLabelsSectionInner({
               a.text_sm,
             ]}>
             <Trans>
-                This labeler hasn't declared what labels it publishes, and may
-                not be active.
+              This labeler hasn't declared what labels it publishes, and may not
+              be active.
             </Trans>
           </Text>
         ) : !isSubscribed ? (
@@ -227,8 +224,6 @@ export function ProfileLabelsSectionInner({
           })}
         </View>
       )}
-        <View style={{height: 100}} />
     </View>
-    </Layout.Content>
   )
 }