Nexus/nexus
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only start timer to end highlight after scroll complete

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This commit is contained in:
Henry Hiles 2026-10-16 11:08:24 -04:00
commit 9cd43f4e3c
Signed by: Henry-Hiles
SSH key fingerprint: SHA256:VKQUdS31Q90KvX7EkKMHMBpUspcmItAh86a+v7PGiIs
1 changed files with 14 additions and 1 deletions
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15
lib/helpers/hooks/chat_scroll.dart
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@ -1,3 +1,5 @@
import "dart:async";
import "package:fast_immutable_collections/fast_immutable_collections.dart"; import "package:fast_immutable_collections/fast_immutable_collections.dart";
import "package:flutter_hooks/flutter_hooks.dart"; import "package:flutter_hooks/flutter_hooks.dart";
import "package:hooks_riverpod/hooks_riverpod.dart"; import "package:hooks_riverpod/hooks_riverpod.dart";
@ -26,6 +28,12 @@ final class ChatScroll({
final anchorId = useState<int?>(null); final anchorId = useState<int?>(null);
final atBottom = useState(true); final atBottom = useState(true);
final pendingJump = useState<int?>(null); final pendingJump = useState<int?>(null);
final pendingJumpDone = useRef<Completer<void>?>(null);
void finishPendingJump() {
pendingJumpDone.value?.complete();
pendingJumpDone.value = null;
}
final scrollController = useScrollController(); final scrollController = useScrollController();
final centerKey = useMemoized(GlobalKey.new); final centerKey = useMemoized(GlobalKey.new);
@ -52,7 +60,7 @@ final class ChatScroll({
pendingJump.value = null; pendingJump.value = null;
WidgetsBinding.instance.addPostFrameCallback((_) async { WidgetsBinding.instance.addPostFrameCallback((_) async {
if (!scrollController.hasClients) return; if (!scrollController.hasClients) return finishPendingJump();
final position = scrollController.position; final position = scrollController.position;
scrollController.jumpTo( scrollController.jumpTo(
@ -71,6 +79,7 @@ final class ChatScroll({
curve: Curves.easeInOut, curve: Curves.easeInOut,
); );
} }
finishPendingJump();
}); });
return null; return null;
@ -185,6 +194,8 @@ final class ChatScroll({
return; return;
} }
finishPendingJump();
final done = pendingJumpDone.value = Completer();
pendingJump.value = rowId; pendingJump.value = rowId;
if (controllerData.value?.timeline.contains(rowId) ?? false) { if (controllerData.value?.timeline.contains(rowId) ?? false) {
anchorId.value = rowId; anchorId.value = rowId;
@ -192,8 +203,10 @@ final class ChatScroll({
anchorId.value = null; anchorId.value = null;
contextualEvent.value = rowId; contextualEvent.value = rowId;
} }
await done.future;
}, },
jumpToBottom: () async { jumpToBottom: () async {
finishPendingJump();
if (contextualEvent.value != null) { if (contextualEvent.value != null) {
anchorId.value = null; anchorId.value = null;
contextualEvent.value = null; contextualEvent.value = null;