chore: refresh chat participant list page on participants list change (#2167)

lib/pages/chat_members/chat_members.dart

@@ -1,7 +1,10 @@
+import 'dart:async';
+
 import 'package:flutter/material.dart';
 
 import 'package:matrix/matrix.dart';
 
+import 'package:fluffychat/utils/stream_extension.dart';
 import '../../widgets/matrix.dart';
 import 'chat_members_view.dart';
 
@@ -20,6 +23,10 @@ class ChatMembersController extends State<ChatMembersPage> {
 
   final TextEditingController filterController = TextEditingController();
 
+  // #Pangea
+  StreamSubscription? _subscription;
+  // Pangea#
+
   void setFilter([_]) async {
     final filter = filterController.text.toLowerCase().trim();
 
@@ -50,7 +57,16 @@ class ChatMembersController extends State<ChatMembersPage> {
       final participants = await Matrix.of(context)
           .client
           .getRoomById(widget.roomId)
-          ?.requestParticipants();
+          ?.requestParticipants(
+        // #Pangea
+        // without setting cache to true, each call to requestParticipants will
+        // result in a new entry in the roomState stream, because the member roomState is not
+        // stored in the database. This causes an infinite loop with the roomState listener.
+        [Membership.join, Membership.invite, Membership.knock],
+        false,
+        true,
+        // Pangea#
+      );
 
       if (!mounted) return;
 
@@ -71,8 +87,26 @@ class ChatMembersController extends State<ChatMembersPage> {
   void initState() {
     super.initState();
     refreshMembers();
+    // #Pangea
+    _subscription = Matrix.of(context)
+        .client
+        .onRoomState
+        .stream
+        .where((update) => update.roomId == widget.roomId)
+        .rateLimit(const Duration(seconds: 1))
+        .listen((_) => refreshMembers());
+    // Pangea#
   }
 
+  // #Pangea
+  @override
+  void dispose() {
+    _subscription?.cancel();
+    filterController.dispose();
+    super.dispose();
+  }
+  // Pangea#
+
   @override
   Widget build(BuildContext context) => ChatMembersView(this);
 }

lib/pangea/activity_suggestions/activity_suggestions_area.dart

@@ -61,19 +61,19 @@ class ActivitySuggestionsAreaState extends State<ActivitySuggestionsArea> {
     );
   }
 
-  void _scrollToNextItem(AxisDirection direction) {
-    final currentOffset = _scrollController.offset;
-    final scrollAmount = _isColumnMode ? cardWidth : cardHeight;
+  // void _scrollToNextItem(AxisDirection direction) {
+  //   final currentOffset = _scrollController.offset;
+  //   final scrollAmount = _isColumnMode ? cardWidth : cardHeight;
 
-    _scrollController.animateTo(
-      (direction == AxisDirection.left
-              ? currentOffset - scrollAmount
-              : currentOffset + scrollAmount)
-          .clamp(0.0, _scrollController.position.maxScrollExtent),
-      duration: FluffyThemes.animationDuration,
-      curve: FluffyThemes.animationCurve,
-    );
-  }
+  //   _scrollController.animateTo(
+  //     (direction == AxisDirection.left
+  //             ? currentOffset - scrollAmount
+  //             : currentOffset + scrollAmount)
+  //         .clamp(0.0, _scrollController.position.maxScrollExtent),
+  //     duration: FluffyThemes.animationDuration,
+  //     curve: FluffyThemes.animationCurve,
+  //   );
+  // }
 
   Future<void> _setActivityItems() async {
     final ActivityPlanRequest request = ActivityPlanRequest(

lib/widgets/public_room_bottom_sheet.dart

@@ -107,7 +107,10 @@ class PublicRoomBottomSheetState extends State<PublicRoomBottomSheet> {
     // if (knock) {
     //   return;
     // }
-    if (knock && !wasInRoom) return;
+    if (knock && !wasInRoom) {
+      Navigator.of(context).pop();
+      return;
+    }
     // Pangea#
     if (result.error == null) {
       Navigator.of(context).pop<bool>(true);