fix historical event jumps

Fixes #118
This commit is contained in:
Henry Hiles 2026-10-14 23:48:32 -04:00
commit dbf30c3706
Signed by: Henry-Hiles
SSH key fingerprint: SHA256:VKQUdS31Q90KvX7EkKMHMBpUspcmItAh86a+v7PGiIs
2 changed files with 25 additions and 16 deletions

View file

@ -127,10 +127,15 @@ final class ChatScroll({
final isAtBottom = position.extentBefore <= 0;
if (isAtBottom != atBottom.value) atBottom.value = isAtBottom;
// contextualEvent updates immediately when jumping, but
// controllerData is only for the historical timeline once it loads
final isHistorical =
contextualEvent.value != null &&
controllerData.value?.historicalData != null;
if (position.extentAfter <= loadThreshold) {
await paginate(.backward);
} else if (contextualEvent.value != null &&
position.extentBefore <= loadThreshold) {
} else if (isHistorical && position.extentBefore <= loadThreshold) {
await paginate(.forward);
} else if (position.extentBefore <= 0) {
await markRead();
@ -139,7 +144,7 @@ final class ChatScroll({
if (controllerData.isLoading == false &&
position.extentBefore <= 0 &&
controllerData.value?.hasMoreForward == false &&
contextualEvent.value != null) {
isHistorical) {
anchorId.value = null;
contextualEvent.value = null;
}