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refresh live msg if needed

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Signed-off-by: dom <githubaccount56556@proton.me>
This commit is contained in:
dom
2026-04-30 10:13:31 +08:00
parent 3a9cafaf24
commit 9752ae2f33
3 changed files with 31 additions and 14 deletions
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25
lib/pages/live_room/controller.dart
View File

@@ -100,7 +100,9 @@ class LiveRoomController extends GetxController {
// dm // dm
LiveDmInfoData? dmInfo; LiveDmInfoData? dmInfo;
List<RichTextItem>? savedDanmaku; List<RichTextItem>? savedDanmaku;
int builtLength = 0;
RxList<dynamic> messages = <dynamic>[].obs; RxList<dynamic> messages = <dynamic>[].obs;
bool get shouldRefresh => builtLength != messages.length;
late final Rx<SuperChatItem?> fsSC = Rx<SuperChatItem?>(null); late final Rx<SuperChatItem?> fsSC = Rx<SuperChatItem?>(null);
late final RxList<SuperChatItem> superChatMsg = <SuperChatItem>[].obs; late final RxList<SuperChatItem> superChatMsg = <SuperChatItem>[].obs;
RxBool disableAutoScroll = false.obs; RxBool disableAutoScroll = false.obs;
@@ -285,7 +287,17 @@ class LiveRoomController extends GetxController {
} }
} }
void jumpToBottom() { void handleJumpToBottom() {
disableAutoScroll.value = false;
if (shouldRefresh) {
messages.refresh();
WidgetsBinding.instance.addPostFrameCallback(_jumpToBottom);
} else {
_jumpToBottom();
}
}
void _jumpToBottom([_]) {
if (scrollController.hasClients) { if (scrollController.hasClients) {
scrollController.jumpTo(scrollController.position.maxScrollExtent); scrollController.jumpTo(scrollController.position.maxScrollExtent);
} }
@@ -349,12 +361,21 @@ class LiveRoomController extends GetxController {
disableAutoScroll.value = true; disableAutoScroll.value = true;
} else if (userScrollDirection == .reverse) { } else if (userScrollDirection == .reverse) {
final pos = scrollController.position; final pos = scrollController.position;
if (pos.maxScrollExtent - pos.pixels <= 100) { if (pos.maxScrollExtent - pos.pixels <= 100 && disableAutoScroll.value) {
disableAutoScroll.value = false; disableAutoScroll.value = false;
refreshMsgIfNeeded();
} }
} }
} }
void refreshMsgIfNeeded() {
if (shouldRefresh) {
WidgetsBinding.instance.addPostFrameCallback((_) {
messages.refresh();
});
}
}
@override @override
void onClose() { void onClose() {
closeLiveMsg(); closeLiveMsg();

4
lib/pages/live_room/view.dart
View File

@@ -187,7 +187,9 @@ class _LiveRoomPageState extends State<LiveRoomPage>
void didChangeAppLifecycleState(AppLifecycleState state) { void didChangeAppLifecycleState(AppLifecycleState state) {
if (plPlayerController.visible = state == .resumed) { if (plPlayerController.visible = state == .resumed) {
if (!plPlayerController.showDanmaku) { if (!plPlayerController.showDanmaku) {
_liveRoomController.startLiveTimer(); _liveRoomController
..refreshMsgIfNeeded()
..startLiveTimer();
plPlayerController.showDanmaku = true; plPlayerController.showDanmaku = true;
} }
} else if (state == .paused) { } else if (state == .paused) {

16
lib/pages/live_room/widgets/chat_panel.dart
View File

@@ -52,7 +52,8 @@ class LiveRoomChatPanel extends StatelessWidget {
padding: const EdgeInsets.symmetric(horizontal: 12), padding: const EdgeInsets.symmetric(horizontal: 12),
controller: liveRoomController.scrollController, controller: liveRoomController.scrollController,
separatorBuilder: (_, _) => const SizedBox(height: 8), separatorBuilder: (_, _) => const SizedBox(height: 8),
itemCount: liveRoomController.messages.length, itemCount: liveRoomController.builtLength =
liveRoomController.messages.length,
physics: const ClampingScrollPhysics(), physics: const ClampingScrollPhysics(),
itemBuilder: (_, index) { itemBuilder: (_, index) {
final item = liveRoomController.messages[index]; final item = liveRoomController.messages[index];
@@ -218,17 +219,10 @@ class LiveRoomChatPanel extends StatelessWidget {
right: 12, right: 12,
bottom: 0, bottom: 0,
child: ElevatedButton.icon( child: ElevatedButton.icon(
style: ElevatedButton.styleFrom( style: const ButtonStyle(visualDensity: .comfortable),
visualDensity: VisualDensity.comfortable, icon: const Icon(Icons.arrow_downward_rounded, size: 20),
),
icon: const Icon(
Icons.arrow_downward_rounded,
size: 20,
),
label: const Text('回到底部'), label: const Text('回到底部'),
onPressed: () => liveRoomController onPressed: liveRoomController.handleJumpToBottom,
..disableAutoScroll.value = false
..jumpToBottom(),
), ),
) )
: const SizedBox.shrink(), : const SizedBox.shrink(),