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fix: More stable scroll up to event

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This commit is contained in:
krille-chan 2023-11-04 18:20:01 +01:00
parent d31a1957b4
commit c0ee1bbdfc
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2 changed files with 22 additions and 26 deletions
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14
lib/pages/chat/chat.dart
View file

@ -275,9 +275,19 @@ class ChatController extends State<ChatPageWithRoom> {
if (timeline?.allowNewEvent == false || if (timeline?.allowNewEvent == false ||
scrollController.position.pixels > 0 && _scrolledUp == false) { scrollController.position.pixels > 0 && _scrolledUp == false) {
setState(() => _scrolledUp = true); setState(() => _scrolledUp = true);
} else if (scrollController.position.pixels == 0 && _scrolledUp == true) { } else if (scrollController.position.pixels <= 0 && _scrolledUp == true) {
setState(() => _scrolledUp = false); setState(() => _scrolledUp = false);
} }
if (scrollController.position.pixels == 0 ||
scrollController.position.pixels == 64) {
requestFuture();
} else if (scrollController.position.pixels ==
scrollController.position.maxScrollExtent ||
scrollController.position.pixels + 64 ==
scrollController.position.maxScrollExtent) {
requestHistory();
}
} }
void _loadDraft() async { void _loadDraft() async {
@ -904,7 +914,7 @@ class ChatController extends State<ChatPageWithRoom> {
} }
await scrollController.scrollToIndex( await scrollController.scrollToIndex(
eventIndex, eventIndex,
preferPosition: AutoScrollPosition.end, preferPosition: AutoScrollPosition.middle,
); );
_updateScrollController(); _updateScrollController();
} }

34
lib/pages/chat/chat_event_list.dart
View file

@ -53,18 +53,11 @@ class ChatEventList extends StatelessWidget {
); );
} }
if (controller.timeline!.canRequestFuture) { if (controller.timeline!.canRequestFuture) {
return Builder( return Center(
builder: (context) { child: IconButton(
WidgetsBinding.instance.addPostFrameCallback( onPressed: controller.requestFuture,
(_) => controller.requestFuture(), icon: const Icon(Icons.refresh_outlined),
); ),
return Center(
child: IconButton(
onPressed: controller.requestFuture,
icon: const Icon(Icons.refresh_outlined),
),
);
},
); );
} }
return Column( return Column(
@ -84,18 +77,11 @@ class ChatEventList extends StatelessWidget {
); );
} }
if (controller.timeline!.canRequestHistory) { if (controller.timeline!.canRequestHistory) {
return Builder( return Center(
builder: (context) { child: IconButton(
WidgetsBinding.instance.addPostFrameCallback( onPressed: controller.requestHistory,
(_) => controller.requestHistory(), icon: const Icon(Icons.refresh_outlined),
); ),
return Center(
child: IconButton(
onPressed: controller.requestHistory,
icon: const Icon(Icons.refresh_outlined),
),
);
},
); );
} }
return const SizedBox.shrink(); return const SizedBox.shrink();