accessiblity fixes

lib/controllers/members_controller.dart

@@ -4,23 +4,21 @@ import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:nexus/models/event.dart";
 import "package:nexus/models/room.dart";
 
-class MembersController extends AsyncNotifier<IList<Event>> {
+class MembersController extends Notifier<IList<Event>> {
   final Room room;
   MembersController(this.room);
 
   @override
-  Future<IList<Event>> build() async =>
+  IList<Event> build() => (room.state["m.room.member"]?.values ?? [])
-      (room.state["m.room.member"]?.values ?? [])
       .map(
-            (eventRowId) => room.events.firstWhereOrNull(
+        (eventRowId) =>
-              (event) => event.rowId == eventRowId,
+            room.events.firstWhereOrNull((event) => event.rowId == eventRowId),
-            ),
       )
       .nonNulls
       .where((member) => member.content["membership"] == "join")
       .toIList();
 
-  static final provider = AsyncNotifierProvider.family
+  static final provider = NotifierProvider.family
       .autoDispose<MembersController, IList<Event>, Room>(
         MembersController.new,
       );

lib/controllers/message_controller.dart

@@ -37,9 +37,7 @@ class MessageController extends AsyncNotifier<Message?> {
 
     if (!ref.mounted) return null;
 
-    final members = await ref.watch(
+    final members = ref.watch(MembersController.provider(config.room));
-      MembersController.provider(config.room).future,
-    );
     final author = members.firstWhereOrNull(
       (member) => member.stateKey == event.authorId,
     );

lib/controllers/room_chat_controller.dart

@@ -25,7 +25,7 @@ class RoomChatController extends AsyncNotifier<ChatController> {
   @override
   Future<ChatController> build() async {
     final client = ref.watch(ClientController.provider.notifier);
-    final room = ref.read(RoomsController.provider)[roomId];
+    var room = ref.read(RoomsController.provider)[roomId];
     if (room == null) return InMemoryChatController();
 
     final state = await client.getRoomState(
@@ -59,13 +59,16 @@ class RoomChatController extends AsyncNotifier<ChatController> {
           const ISet.empty(),
         );
 
+    room = ref.read(RoomsController.provider)[roomId];
+    if (room == null) return InMemoryChatController();
+
     final messages = await ref.watch(
       MessagesController.provider(
         MessagesConfig(
           room: room,
           events: room.timeline
               .map(
-                (timelineRowTuple) => room.events.firstWhereOrNull(
+                (timelineRowTuple) => room!.events.firstWhereOrNull(
                   (event) => event.rowId == timelineRowTuple.eventRowId,
                 ),
               )
@@ -91,7 +94,7 @@ class RoomChatController extends AsyncNotifier<ChatController> {
           } else {
             final message = await ref.watch(
               MessageController.provider(
-                MessageConfig(event: event, room: room, includeEdits: true),
+                MessageConfig(event: event, room: room!, includeEdits: true),
               ).future,
             );
             if (event.relationType == "m.replace") {

lib/pages/login_page.dart

@@ -97,6 +97,7 @@ class LoginPage extends HookConsumerWidget {
                     ),
                   ),
                   IconButton.filled(
+                    tooltip: "Confirm homeserver choice",
                     onPressed: isLoading.value
                         ? null
                         : () => setHomeserver(Uri.tryParse(homeserverUrl.text)),
@@ -143,6 +144,7 @@ class LoginPage extends HookConsumerWidget {
                         ? null
                         : () => setHomeserver(homeserver.url),
                     trailing: IconButton(
+                      tooltip: "Launch homeserver info page",
                       onPressed: () => launch(homeserver.url),
                       icon: Icon(Icons.info_outline),
                     ),

lib/widgets/appbar.dart

@@ -49,10 +49,15 @@ class Appbar extends StatelessWidget implements PreferredSizeWidget {
           if (!(Platform.isAndroid || Platform.isIOS)) ...[
             if (!Platform.isLinux)
               IconButton(
+                tooltip: "Maximize window",
                 onPressed: maximize,
                 icon: const Icon(Icons.fullscreen),
               ),
-            IconButton(onPressed: () => exit(0), icon: const Icon(Icons.close)),
+            IconButton(
+              tooltip: "Close window",
+              onPressed: () => exit(0),
+              icon: const Icon(Icons.close),
+            ),
           ],
         ],
       ),

lib/widgets/chat_page/chat_box.dart

@@ -95,7 +95,27 @@ class ChatBox extends HookConsumerWidget {
                   spacing: 8,
                   children: [
                     PopupMenuButton(
-                      itemBuilder: (context) => [],
+                      tooltip: "Add media",
+                      itemBuilder: (context) => [
+                        PopupMenuItem(
+                          child: ListTile(
+                            title: Text("Camera"),
+                            leading: Icon(Icons.add_a_photo),
+                          ),
+                        ),
+                        PopupMenuItem(
+                          child: ListTile(
+                            title: Text("Gallery"),
+                            leading: Icon(Icons.add_photo_alternate),
+                          ),
+                        ),
+                        PopupMenuItem(
+                          child: ListTile(
+                            title: Text("Files"),
+                            leading: Icon(Icons.add_photo_alternate),
+                          ),
+                        ),
+                      ],
                       icon: Icon(Icons.add),
                       // enabled: room.canSendDefaultMessages, TODO: Permissions check
                     ),
@@ -138,6 +158,7 @@ class ChatBox extends HookConsumerWidget {
                       onPressed: send,
                       // onPressed: room.canSendDefaultMessages ? send : null,
                       icon: Icon(Icons.send),
+                      tooltip: "Send message",
                     ),
                   ],
                 ),

lib/widgets/chat_page/member_list.dart

@@ -1,7 +1,6 @@
 import "package:flutter/material.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:nexus/controllers/members_controller.dart";
-import "package:nexus/helpers/extensions/better_when.dart";
 import "package:nexus/models/room.dart";
 import "package:nexus/widgets/avatar_or_hash.dart";
 
@@ -10,12 +9,11 @@ class MemberList extends ConsumerWidget {
   const MemberList(this.room, {super.key});
 
   @override
-  Widget build(BuildContext context, WidgetRef ref) => Drawer(
+  Widget build(BuildContext context, WidgetRef ref) {
+    final members = ref.watch(MembersController.provider(room));
+    return Drawer(
       shape: Border(),
-    child: ref
+      child: ListView(
-        .watch(MembersController.provider(room))
-        .betterWhen(
-          data: (members) => ListView(
         children: [
           AppBar(
             scrolledUnderElevation: 0,
@@ -27,6 +25,7 @@ class MemberList extends ConsumerWidget {
                 IconButton(
                   onPressed: Scaffold.of(context).closeEndDrawer,
                   icon: Icon(Icons.close),
+                  tooltip: "Close member list",
                 ),
             ],
           ),
@@ -53,6 +52,6 @@ class MemberList extends ConsumerWidget {
           ),
         ],
       ),
-        ),
     );
+  }
 }

lib/widgets/chat_page/mention_overlay.dart

@@ -2,7 +2,6 @@ import "package:flutter/material.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:nexus/controllers/members_controller.dart";
 import "package:nexus/controllers/rooms_controller.dart";
-import "package:nexus/helpers/extensions/better_when.dart";
 import "package:nexus/models/room.dart";
 import "package:nexus/widgets/avatar_or_hash.dart";
 import "package:nexus/widgets/loading.dart";
@@ -32,28 +31,22 @@ class MentionOverlay extends ConsumerWidget {
           color: Theme.of(context).colorScheme.surfaceContainerHigh,
           padding: EdgeInsets.all(8),
           child: switch (triggerCharacter) {
-            "@" =>
+            "@" => Consumer(
-              ref
+              builder: (_, ref, _) {
-                  .watch(MembersController.provider(room))
+                final members = ref.watch(MembersController.provider(room));
-                  .betterWhen(
+                return ListView(
-                    data: (members) => ListView(
                   children:
                       (query.isEmpty
                               ? members
                               : members.where(
                                   (member) =>
-                                          member.stateKey
+                                      member.stateKey?.toLowerCase().contains(
-                                                  ?.toLowerCase()
-                                                  .contains(
                                             query.toLowerCase(),
                                           ) ==
                                           true ||
-                                          (member.content["displayname"]
+                                      (member.content["displayname"] as String?)
-                                                      as String?)
                                               ?.toLowerCase()
-                                                  .contains(
+                                              .contains(query.toLowerCase()) ==
-                                                    query.toLowerCase(),
-                                                  ) ==
                                           true,
                                 ))
                           .map(
@@ -84,7 +77,8 @@ class MentionOverlay extends ConsumerWidget {
                             ),
                           )
                           .toList(),
-                    ),
+                );
+              },
             ),
             "#" => ListView(
               children:

lib/widgets/chat_page/relation_preview.dart

@@ -56,6 +56,8 @@ class RelationPreview extends ConsumerWidget {
             ),
           ),
           IconButton(
+            tooltip:
+                "Cancel ${relationType == RelationType.edit ? "edit" : "reply"}",
             onPressed: onDismiss,
             icon: Icon(Icons.close),
             iconSize: 20,

lib/widgets/chat_page/room_appbar.dart

@@ -52,9 +52,14 @@ class RoomAppbar extends StatelessWidget implements PreferredSizeWidget {
       ],
     ),
     actions: [
-      IconButton(onPressed: () {}, icon: Icon(Icons.push_pin)),
+      IconButton(
+        onPressed: null,
+        icon: Icon(Icons.push_pin),
+        tooltip: "Open pinned messages",
+      ),
       IconButton(
         onPressed: () => onOpenMemberList(context),
+        tooltip: "Open member list",
         icon: Icon(Icons.people),
       ),
       RoomMenu(room),

lib/widgets/chat_page/sidebar.dart

@@ -155,6 +155,7 @@ class Sidebar extends HookConsumerWidget {
                     icon: Icon(Icons.add),
                   ),
                   IconButton(
+                    tooltip: "Explore other rooms",
                     onPressed: () => showDialog(
                       context: context,
                       builder: (context) => AlertDialog(title: Text("To-do")),
@@ -162,6 +163,7 @@ class Sidebar extends HookConsumerWidget {
                     icon: Icon(Icons.explore),
                   ),
                   IconButton(
+                    tooltip: "Open settings",
                     onPressed: () => Navigator.of(
                       context,
                     ).push(MaterialPageRoute(builder: (_) => SettingsPage())),