fix refreshing

modules/react-native-scroll-forwarder/ios/ScrollForwarderView.mm

@@ -34,7 +34,6 @@ static const CGFloat kMinimumVelocity = 5.0;
   CGFloat _currentVelocity;
   CGFloat _accumulatedTranslation;
   
-  bool _refreshing;
   bool _didImpact;
 }
 
@@ -102,6 +101,12 @@ static const CGFloat kMinimumVelocity = 5.0;
     [self tryFindScrollView];
   }
   
+  if (oldViewProps.refreshing != newViewProps.refreshing) {
+    if (!newViewProps.refreshing) {
+      [self endRefreshing];
+    }
+  }
+  
   [super updateProps:props oldProps:oldProps];
 }
 
@@ -211,11 +216,10 @@ static const CGFloat kMinimumVelocity = 5.0;
   if (gesture.state == UIGestureRecognizerStateEnded) {
     CGPoint velocity = [gesture velocityInView:self];
 
-    // TODO: enable this again
+    if (sv.contentOffset.y <= -kPullThreshold) {
-//    if (sv.contentOffset.y <= -kPullThreshold) {
+      [self refresh];
-//      [self refresh];
+      return;
-//      return;
+    }
-//    }
     
     if (sv.contentOffset.y < 0) {
       CGPoint newOffset = CGPointMake(sv.contentOffset.x, 0);
@@ -354,29 +358,51 @@ static const CGFloat kMinimumVelocity = 5.0;
   return nil;
 }
 
+- (UIRefreshControl *)refreshContorl
+{
+  if (!_svcv) return nil;
+  return _svcv.scrollView.refreshControl;
+}
+
 - (void)refresh
 {
-  if (!_svcv) return;
+  __weak ScrollForwarderView *weakSelf = self;
   
-  UIScrollView *sv = _svcv.scrollView;
+  [_svcv.scrollView.refreshControl beginRefreshing];
-  UIRefreshControl *rc = sv.refreshControl;
-  
-  if (!rc) return;
   
   [UIView animateWithDuration:0.3
     delay:0
     options:UIViewAnimationOptionBeginFromCurrentState
     animations:^(void) {
+      if (!weakSelf) return;
+    
+      __strong ScrollForwarderView *self = weakSelf;
+    
       // Whenever we call this method, the scrollview will always be at a position of
-      // -130 or less. Scrolling back to -65 simulates the default behavior of RCTRefreshControl
+      // -130 or less. Scrolling back to -80 simulates the default behavior of RCTRefreshControl
-      [sv setContentOffset:CGPointMake(0, -65)];
+      [self->_svcv.scrollView setContentOffset:CGPointMake(0, -65)];
     }
     completion:^(__unused BOOL finished) {
-      [rc beginRefreshing];
+      __strong ScrollForwarderView *self = weakSelf;
+
+      if (self->_eventEmitter != nullptr) {
+        std::dynamic_pointer_cast<const facebook::react::ScrollForwarderViewEventEmitter>(self->_eventEmitter)
+        ->onRefresh(facebook::react::ScrollForwarderViewEventEmitter::OnRefresh{});
+      }
     }
   ];
 }
 
+- (void)endRefreshing
+{
+  UIRefreshControl *rc = [self refreshContorl];
+  
+  CGPoint newOffset = CGPointMake(_svcv.scrollView.contentOffset.x, 0.0);
+  [self scrollToOffset:newOffset animated:true];
+  
+  [rc endRefreshing];
+}
+
 Class<RCTComponentViewProtocol> ScrollForwarderViewCls(void)
 {
   return ScrollForwarderView.class;

modules/react-native-scroll-forwarder/src/ScrollForwarderViewNativeComponent.ts

@@ -8,9 +8,9 @@ import codegenNativeComponent from 'react-native/Libraries/Utilities/codegenNati
 type OnRefreshEvent = {}
 
 export interface NativeProps extends ViewProps {
-  scrollViewTag?: Int32
+  scrollViewTag: Int32 | null
-  onRefresh?: BubblingEventHandler<OnRefreshEvent>
   refreshing?: boolean
+  onRefresh?: BubblingEventHandler<OnRefreshEvent>
 }
 
 export default codegenNativeComponent<NativeProps>('ScrollForwarderView')

src/screens/Profile/Sections/Feed.tsx

@@ -9,7 +9,7 @@ import {isIOS, isNative} from '#/platform/detection'
 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 {PostFeed, PostFeedRef} from '#/view/com/posts/PostFeed'
 import {EmptyState} from '#/view/com/util/EmptyState'
 import {type ListRef} from '#/view/com/util/List'
 import {LoadLatestBtn} from '#/view/com/util/load-latest/LoadLatestBtn'
@@ -24,6 +24,8 @@ interface FeedSectionProps {
   scrollElRef: ListRef
   ignoreFilterFor?: string
   setScrollViewTag: (tag: number | null) => void
+  postFeedRef?: React.RefObject<PostFeedRef | undefined>
+  onRefreshEnd?: () => void
 }
 export const ProfileFeedSection = React.forwardRef<
   SectionRef,
@@ -36,6 +38,8 @@ export const ProfileFeedSection = React.forwardRef<
     scrollElRef,
     ignoreFilterFor,
     setScrollViewTag,
+    postFeedRef,
+    onRefreshEnd,
   },
   ref,
 ) {
@@ -91,6 +95,8 @@ export const ProfileFeedSection = React.forwardRef<
           shouldUseAdjustedNumToRender ? adjustedInitialNumToRender : undefined
         }
         isVideoFeed={isVideoFeed}
+        ref={postFeedRef}
+        onRefreshEnd={onRefreshEnd}
       />
       {(isScrolledDown || hasNew) && (
         <LoadLatestBtn

src/view/com/posts/PostFeed.tsx

@@ -1,4 +1,4 @@
-import React, {memo, useCallback, useRef} from 'react'
+import React, {memo, useCallback, useImperativeHandle, useRef} from 'react'
 import {
   ActivityIndicator,
   AppState,
@@ -150,6 +150,10 @@ export function getItemsForFeedback(feedRow: FeedRow):
   }
 }
 
+export type PostFeedRef = {
+  refreshFeed: () => Promise<void>
+}
+
 // DISABLED need to check if this is causing random feed refreshes -prf
 // const REFRESH_AFTER = STALE.HOURS.ONE
 const CHECK_LATEST_AFTER = STALE.SECONDS.THIRTY
@@ -176,6 +180,7 @@ let PostFeed = ({
   savedFeedConfig,
   initialNumToRender: initialNumToRenderOverride,
   isVideoFeed = false,
+  ref,
 }: {
   feed: FeedDescriptor
   feedParams?: FeedParams
@@ -198,6 +203,7 @@ let PostFeed = ({
   savedFeedConfig?: AppBskyActorDefs.SavedFeed
   initialNumToRender?: number
   isVideoFeed?: boolean
+  ref?: React.ForwardedRef<PostFeedRef>
 }): React.ReactNode => {
   const {_} = useLingui()
   const queryClient = useQueryClient()
@@ -583,22 +589,31 @@ let PostFeed = ({
 
   // events
   // =
+  //
 
-  const onRefresh = React.useCallback(async () => {
+  const refreshFeed = async () => {
     logEvent('feed:refresh', {
       feedType: feedType,
       feedUrl: feed,
       reason: 'pull-to-refresh',
     })
-    setIsPTRing(true)
     try {
       await refetch()
       onHasNew?.(false)
     } catch (err) {
       logger.error('Failed to refresh posts feed', {message: err})
     }
+  }
+
+  const onRefresh = async () => {
+    setIsPTRing(true)
+    await refreshFeed()
     setIsPTRing(false)
-  }, [refetch, setIsPTRing, onHasNew, feed, feedType])
+  }
+
+  useImperativeHandle(ref, () => ({
+    refreshFeed,
+  }))
 
   const onEndReached = React.useCallback(async () => {
     if (isFetching || !hasNextPage || isError) return

src/view/screens/Profile.tsx

@@ -1,4 +1,4 @@
-import React, {useCallback, useMemo} from 'react'
+import React, {useCallback, useMemo, useRef, useState} from 'react'
 import {StyleSheet} from 'react-native'
 import {SafeAreaView} from 'react-native-safe-area-context'
 import {
@@ -46,8 +46,8 @@ import * as Layout from '#/components/Layout'
 import {ScreenHider} from '#/components/moderation/ScreenHider'
 import {ProfileStarterPacks} from '#/components/StarterPack/ProfileStarterPacks'
 import {navigate} from '#/Navigation'
-import {ExpoScrollForwarderView} from '../../../modules/expo-scroll-forwarder'
 import {ScrollForwarderView} from 'modules/react-native-scroll-forwarder/src'
+import {PostFeedRef} from '../com/posts/PostFeed'
 
 interface SectionRef {
   scrollToTop: () => void
@@ -179,6 +179,7 @@ function ProfileScreenLoaded({
     enabled: !!profile.associated?.labeler,
   })
   const [currentPage, setCurrentPage] = React.useState(0)
+  const [isRefreshing, setIsRefreshing] = useState(false)
   const {_} = useLingui()
 
   const [scrollViewTag, setScrollViewTag] = React.useState<number | null>(null)
@@ -335,6 +336,14 @@ function ProfileScreenLoaded({
     scrollSectionToTop(index)
   }
 
+  const postFeedRef = useRef<PostFeedRef>()
+
+  const onRefresh = async () => {
+    setIsRefreshing(true)
+    await postFeedRef.current?.refreshFeed()
+    setIsRefreshing(false)
+  }
+
   // rendering
   // =
 
@@ -344,7 +353,10 @@ function ProfileScreenLoaded({
     setMinimumHeight: (height: number) => void
   }) => {
     return (
-      <ScrollForwarderView scrollViewTag={scrollViewTag}>
+      <ScrollForwarderView
+        scrollViewTag={scrollViewTag}
+        refreshing={isRefreshing}
+        onRefresh={onRefresh}>
         <ProfileHeader
           profile={profile}
           labeler={labelerInfo}
@@ -409,6 +421,7 @@ function ProfileScreenLoaded({
                 scrollElRef={scrollElRef as ListRef}
                 ignoreFilterFor={profile.did}
                 setScrollViewTag={setScrollViewTag}
+                postFeedRef={postFeedRef}
               />
             )
           : null}