.github/workflows/android.yml

@@ -27,7 +27,7 @@ jobs:
                   KEYSTORE_CONTENT: ${{ secrets.KEYSTORE_CONTENT }}
 
             - name: Build app
-              run: nix develop --command bash -c "flutter pub get && dart scripts/generate.dart && flutter pub run build_runner build && flutter build apk --target-platform android-arm64 --split-per-abi --dart-define=GIT_COMMIT=${{ github.sha }}"
+              run: nix develop --command bash -c "flutter pub get && dart scripts/generate.dart && flutter pub run build_runner build && flutter build apk --target-platform android-arm64 --dart-define=GIT_COMMIT=${{ github.sha }}"
               env:
                   KEYSTORE_PATH: ../../keystore.jks
                   KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
@@ -36,4 +36,4 @@ jobs:
               uses: actions/upload-artifact@v6
               with:
                   name: APK
-                  path: build/app/outputs/flutter-apk/app-arm64-v8a-release.apk
+                  path: build/app/outputs/flutter-apk/app-release.apk

README.md

@@ -49,7 +49,7 @@ nexus = {
 This tracks the latest commit on `main`. To stay on a release instead, pin the input to its tag:
 
 ```nix
-url = "git+https://git.federated.nexus/Nexus/nexus?ref=refs/tags/v1.0.0-alpha4";
+url = "git+https://git.federated.nexus/Nexus/nexus?ref=refs/tags/v1.0.0-alpha2";
 ```
 
 Then import the module and enable it in your NixOS configuration:

gomuks

@@ -1 +1 @@
-Subproject commit 7e43a63e578b0d6f52269d65297198077bf5b45d
+Subproject commit ad275f7613894d9d2fa4d16d733a6816e2978de9

hook/build.dart

@@ -122,7 +122,7 @@ Future<void> main(List<String> args) => build(args, (input, output) async {
       "sqlite_fts5",
       "goolm",
       // goheif/dav1d is not supported on Android or iOS, would need to be fixed upstream
-      "noheic",
+      if (targetOS == OS.android || targetOS == OS.iOS) "noheic",
     ].join(",");
 
     final archiveFile = targetOS == OS.iOS

lib/controllers/client.dart

@@ -31,7 +31,6 @@ import "package:nexus/models/requests/get_room_state.dart";
 import "package:nexus/models/requests/get_space_hierarchy.dart";
 import "package:nexus/models/requests/join_room.dart";
 import "package:nexus/models/profile_response.dart";
-import "package:nexus/models/push_notification.dart";
 import "package:nexus/models/recovery_key.dart";
 import "package:nexus/models/requests/oauth/exchange_token.dart";
 import "package:nexus/models/requests/oauth/get_auth_url.dart";
@@ -48,6 +47,7 @@ import "package:nexus/models/requests/set_membership.dart";
 import "package:nexus/models/requests/set_state.dart";
 import "package:nexus/models/requests/upload_media.dart";
 import "package:nexus/models/room.dart";
+import "package:nexus/models/room_metadata.dart";
 import "package:nexus/models/room_summary.dart";
 import "package:nexus/models/space_hierarchy.dart";
 import "package:nexus/models/spec_versions_response.dart";
@@ -128,15 +128,18 @@ class ClientController extends AsyncNotifier<int> {
     }
   }
 
-  Future<PushNotification?> handlePush(Map<String, dynamic> data) async {
+  Future<(Event, RoomMetadata)?> handlePush(Map<String, dynamic> data) async {
     final response = await callGomuksMethod(
       data,
       (handle, data) async => GomuksHandlePush(handle, data),
     );
 
-    return response?["notification"] == null
+    return response == null
         ? null
-        : .fromJson(response["notification"]);
+        : (
+            Event.fromJson(response["event"]),
+            RoomMetadata.fromJson(response["room"]),
+          );
   }
 
   Future<dynamic> _sendCommand(

lib/controllers/gomuks_listener.dart

@@ -17,7 +17,6 @@ import "package:nexus/helpers/extensions/gomuks_buffer.dart";
 import "package:nexus/main.dart";
 import "package:ffi/ffi.dart";
 import "package:nexus/models/event.dart";
-import "package:nexus/models/events_decrypted.dart";
 import "package:nexus/models/sync_data.dart";
 import "package:nexus/src/third_party/gomuks.g.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
@@ -61,29 +60,6 @@ class GomuksListenerController extends AsyncNotifier<void> {
                         event.roomId: .new(events: .new({event.rowId: event})),
                       }),
                     );
-              case "events_decrypted":
-                final decrypted = EventsDecrypted.fromJson(decodedMuksEvent);
-                final metadata = ref
-                    .read(RoomsController.provider)[decrypted.roomId]
-                    ?.metadata;
-
-                ref
-                    .read(RoomsController.provider.notifier)
-                    .update(
-                      .new({
-                        decrypted.roomId: .new(
-                          events: decrypted.events,
-                          metadata: metadata?.copyWith(
-                            previewEventRowID:
-                                decrypted.previewEventRowID ??
-                                metadata.previewEventRowID,
-                            sortingTimestamp:
-                                decrypted.sortingTimestamp ??
-                                metadata.sortingTimestamp,
-                          ),
-                        ),
-                      }),
-                    );
               case "sync_complete":
                 final syncData = SyncData.fromJson(decodedMuksEvent);
                 final roomProvider = RoomsController.provider;
@@ -143,19 +119,6 @@ class GomuksListenerController extends AsyncNotifier<void> {
     }
   }
 
-  /// Waits for gomuks to report the client's device ID
-  Future<String> deviceId() {
-    final completer = Completer<String>();
-    final subscription = ref.listen(
-      ClientStateController.provider.select((value) => value?.deviceId),
-      (_, next) {
-        if (next != null && !completer.isCompleted) completer.complete(next);
-      },
-      fireImmediately: true,
-    );
-    return completer.future.whenComplete(subscription.close);
-  }
-
   static Future<int> _start(
     int handle,
     Pointer<

lib/controllers/notification.dart

@@ -1,5 +1,4 @@
 import "dart:async";
-import "dart:convert";
 import "dart:io";
 
 import "package:flutter/services.dart";
@@ -104,75 +103,24 @@ class NotificationController
     return true;
   }
 
-  /// Whether notifications can currently be shown, without prompting
-  Future<bool> permissionsGranted() async {
-    if (Platform.isLinux) {
-      return true;
-    }
-
-    final controller = await future;
-
-    if (Platform.isIOS) {
-      return (await controller
-                  .resolvePlatformSpecificImplementation<
-                    IOSFlutterLocalNotificationsPlugin
-                  >()
-                  ?.checkPermissions())
-              ?.isEnabled ??
-          true;
-    } else if (Platform.isMacOS) {
-      return (await controller
-                  .resolvePlatformSpecificImplementation<
-                    MacOSFlutterLocalNotificationsPlugin
-                  >()
-                  ?.checkPermissions())
-              ?.isEnabled ??
-          true;
-    } else if (Platform.isAndroid) {
-      return await controller
-              .resolvePlatformSpecificImplementation<
-                AndroidFlutterLocalNotificationsPlugin
-              >()
-              ?.areNotificationsEnabled() ??
-          true;
-    }
-
-    return true;
-  }
-
   Future<void> send({
     required int id,
     required String title,
     String? body,
     File? icon,
     String? payload,
-    String? senderName,
-    File? senderAvatar,
-    String? selfName,
-    bool isGroup = false,
-    bool sound = true,
-    DateTime? timestamp,
-    String? threadId,
   }) async {
     debugPrint("Sending notification for $id");
 
-    // In DMs the title is already the sender, so only prefix in groups
-    final prefix = isGroup ? senderName : null;
-
     if (Platform.isLinux) {
-      final portal = await ref.read(PortalController.provider.future);
+      final portal = await ref.watch(PortalController.provider.future);
-      const escape = HtmlEscape(HtmlEscapeMode.element);
 
       await portal.notification.addNotification(
         id.toString(),
         title: title,
-        body: prefix == null || body == null ? body : "$prefix: $body",
+        body: body,
-        markupBody: prefix == null || body == null
-            ? null
-            : "<b>${escape.convert(prefix)}</b>: ${escape.convert(body)}",
         defaultAction: "app.event",
         defaultActionTarget: payload,
-        sound: sound ? null : const XdgNotificationSoundSilent(),
         category: XdgNotificationCategory.imReceived,
         priority: .normal,
         buttons: [
@@ -185,64 +133,25 @@ class NotificationController
         ],
       );
     } else {
-      final controller = await future;
-
-      // Append to the conversation already shown under this id, if any
-      final existingStyle = Platform.isAndroid
-          ? await controller
-                .resolvePlatformSpecificImplementation<
-                  AndroidFlutterLocalNotificationsPlugin
-                >()
-                ?.getActiveNotificationMessagingStyle(id: id)
-                .onError((_, _) => null)
-          : null;
-
-      final darwin = DarwinNotificationDetails(
-        presentSound: sound,
-        threadIdentifier: threadId,
-      );
       final notificationDetails = NotificationDetails(
         android: .new(
           "messages",
           "Messages",
-          silent: !sound,
           largeIcon: icon == null ? null : FilePathAndroidBitmap(icon.path),
-          styleInformation: senderName == null || body == null
-              ? null
-              : MessagingStyleInformation(
-                  .new(name: selfName ?? "You"),
-                  conversationTitle: isGroup ? title : null,
-                  groupConversation: isGroup,
-                  messages: [
-                    ...?existingStyle?.messages,
-                    .new(
-                      body,
-                      timestamp ?? .now(),
-                      .new(
-                        name: senderName,
-                        icon: senderAvatar == null
-                            ? null
-                            : BitmapFilePathAndroidIcon(senderAvatar.path),
-                      ),
-                    ),
-                  ],
-                ),
-        ),
-        iOS: darwin,
-        macOS: darwin,
-        windows: .new(
-          audio: sound ? null : .silent(),
-          timestamp: timestamp,
-          header: threadId == null
-              ? null
-              : .new(id: threadId, title: title, arguments: payload ?? ""),
         ),
+        // TODO: See if icons can be added to iOS, macOS, and Windows
+        // notifications (#68)
+        iOS: .new(),
+        macOS: .new(),
+        windows: .new(),
       );
 
+      final controller = await future;
+
       await controller.show(
         id: id,
         title: title,
-        body: prefix == null || body == null ? body : "$prefix: $body",
+        body: body,
         notificationDetails: notificationDetails,
         payload: payload,
       );

lib/controllers/room_chat.dart

@@ -25,7 +25,6 @@ class RoomChatController(final ChatParams info)
   @override
   Future<RoomChat?> build() async {
     final client = ref.read(ClientController.provider.notifier);
-
     final room = ref.read(
       RoomsController.provider.select((rooms) => rooms[info.roomId]),
     );

lib/controllers/selected_room.dart

@@ -1,31 +0,0 @@
-import "package:fast_immutable_collections/fast_immutable_collections.dart";
-import "package:flutter_riverpod/flutter_riverpod.dart";
-import "package:nexus/controllers/key.dart";
-import "package:nexus/controllers/selected_space.dart";
-import "package:nexus/helpers/extensions/get_all_child_rooms.dart";
-
-class SelectedRoomController extends Notifier<String?> {
-  @override
-  String? build() {
-    final roomId = ref.watch(
-      KeyController.provider(KeyController.roomKey)
-          .select((async) => async.value),
-    );
-
-    final roomIds = ref.watch(
-      SelectedSpaceController.provider.select(
-        (space) => space?.allChildRooms
-            .map((room) => room.metadata?.id)
-            .nonNulls
-            .toIList(),
-      ),
-    );
-    if (roomIds == null) return roomId;
-
-    return roomIds.contains(roomId) ? roomId : roomIds.firstOrNull;
-  }
-
-  static final provider = NotifierProvider<SelectedRoomController, String?>(
-    SelectedRoomController.new,
-  );
-}

lib/controllers/selected_space.dart

@@ -1,25 +0,0 @@
-import "package:collection/collection.dart";
-import "package:flutter_riverpod/flutter_riverpod.dart";
-import "package:nexus/controllers/key.dart";
-import "package:nexus/controllers/spaces.dart";
-import "package:nexus/models/space.dart";
-
-class SelectedSpaceController extends Notifier<Space?> {
-  @override
-  Space? build() {
-    final spaces = ref.watch(SpacesController.provider).value;
-    if (spaces == null) return null;
-
-    final spaceId = ref.watch(
-      KeyController.provider(KeyController.spaceKey)
-          .select((async) => async.value),
-    );
-
-    return spaces.firstWhereOrNull((space) => space.id == spaceId) ??
-        spaces.firstOrNull;
-  }
-
-  static final provider = NotifierProvider<SelectedSpaceController, Space?>(
-    SelectedSpaceController.new,
-  );
-}

lib/controllers/settings_sections.dart

@@ -46,7 +46,7 @@ class SettingsSectionsController
                 icon: Icon(icon),
                 title: title,
                 subtitle: Text(description),
-                value: settings.theme,
+                initialValue: settings.theme,
                 options: ThemeMode.values,
                 getName: (option) => toBeginningOfSentenceCase(option.name),
                 onChanged: (value) => ref
@@ -105,7 +105,7 @@ class SettingsSectionsController
                 icon: Icon(icon),
                 title: title,
                 subtitle: Text(description),
-                value: settings.roomOrder,
+                initialValue: settings.roomOrder,
                 options: RoomOrder.values,
                 getName: (option) => switch (option) {
                   .unreadFirst => "Mentioned, then unread",
@@ -117,21 +117,6 @@ class SettingsSectionsController
                     .onError(showError),
               ),
             ),
-            .new(
-              title: "Swipe To Reply",
-              description: "Swipe a message to the right to reply to it.",
-              icon: Icons.swipe_right,
-              builder: (title, description, icon) => SwitchListTile(
-                title: Text(title),
-                subtitle: Text(description),
-                secondary: Icon(icon),
-                value: settings.swipeToReply,
-                onChanged: (value) => ref
-                    .read(SettingsController.provider.notifier)
-                    .set(settings.copyWith(swipeToReply: value))
-                    .onError(showError),
-              ),
-            ),
             if (!Platform.isAndroid && !Platform.isIOS)
               .new(
                 title: "Show Minimize Button",
@@ -194,6 +179,7 @@ class SettingsSectionsController
                     final current = pusherRegistered.value;
 
                     return DialogListTile<String?>(
+                      key: ValueKey(current),
                       title: title,
                       subtitle: Text(
                         unifiedPushAllowed.maybeWhen(
@@ -203,7 +189,8 @@ class SettingsSectionsController
                             description,
                       ),
                       icon: Icon(icon),
-                      value: current,
+                      required: false,
+                      initialValue: current,
                       options: [
                         null,
                         ...?distributors.value,
@@ -225,25 +212,13 @@ class SettingsSectionsController
                                 try {
                                   loading.value = true;
                                   if (value != null) {
-                                    final messenger = ScaffoldMessenger.of(
+                                    if (await ref
-                                      context,
-                                    );
-                                    if (!await ref
                                         .read(
                                           NotificationController
                                               .provider
                                               .notifier,
                                         )
                                         .requestPermissions()) {
-                                      messenger.showSnackBar(
-                                        .new(
-                                          content: Text(
-                                            "Notifications are disabled. Enable them for Nexus in your system settings.",
-                                          ),
-                                        ),
-                                      );
-                                      return;
-                                    }
                                       await ref
                                           .read(
                                             UnifiedPushController
@@ -251,6 +226,9 @@ class SettingsSectionsController
                                                 .notifier,
                                           )
                                           .register(value);
+                                    } else {
+                                      // TODO: Handle not granted
+                                    }
                                   } else {
                                     await ref
                                         .read(
@@ -292,7 +270,7 @@ class SettingsSectionsController
                       icon: Icon(icon),
                       title: title,
                       subtitle: Text(description),
-                      value: ref
+                      initialValue: ref
                           .watch(AccountDataController.provider)
                           .invitePermissionConfig
                           .defaultAction,

lib/controllers/unified_push.dart

@@ -5,12 +5,14 @@ import "dart:io";
 import "package:flutter/foundation.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:intl/intl.dart";
-import "package:nexus/controllers/selected_room.dart";
+import "package:nexus/controllers/key.dart";
 import "package:nexus/controllers/notification.dart";
 import "package:nexus/controllers/push_key.dart";
 import "package:nexus/main.dart";
 import "package:nexus/controllers/client.dart";
-import "package:nexus/controllers/gomuks_listener.dart";
+import "package:nexus/controllers/client_state.dart";
+import "package:nexus/models/content/message.dart";
+import "package:nexus/models/content/sticker.dart";
 import "package:unifiedpush/unifiedpush.dart";
 import "package:unifiedpush_storage_shared_preferences/storage.dart";
 import "package:window_manager/window_manager.dart";
@@ -72,67 +74,50 @@ class UnifiedPushController extends AsyncNotifier<String?> {
       },
       onMessage: (message, instance) async {
         debugPrint("UP message received for $instance");
-        if (await deregisterIfDisabled(instance)) {
-          if (isInBackground) exit(0);
-          return;
-        }
-
         if (message.decrypted == false) {
           throw Exception(
             "Failed to decrypt notification. Try toggling off and on UnifiedPush in settings.",
           );
         }
-        final notification = await ref
+        final pushResponse = await ref
             .read(ClientController.provider.notifier)
             .handlePush(json.decode(String.fromCharCodes(message.content)));
 
-        if (notification == null ||
+        if (pushResponse == null) return;
+
+        final (event, roomMetadata) = pushResponse;
+
+        if (event.unreadType?.has(.notify) != true ||
             (!isInBackground &&
                 await windowManager.isFocused().onError((_, _) => true) &&
-                ref.read(SelectedRoomController.provider) ==
+                await ref.read(
-                    notification.roomId)) {
+                      KeyController.provider(KeyController.roomKey).future,
+                    ) ==
+                    event.roomId)) {
           if (isInBackground) exit(0);
           return;
         }
 
-        final client = ref.read(ClientController.provider.notifier);
+        final icon = roomMetadata.avatar == null
-
-        final icon = notification.roomAvatar == null
             ? null
-            : await client.downloadMedia(
+            : await ref
-                .new(mxc: notification.roomAvatar!, isAvatar: true),
+                  .read(ClientController.provider.notifier)
-              );
+                  .downloadMedia(
-
+                    .new(mxc: roomMetadata.avatar!, isAvatar: true),
-        final pmp = notification.perMessageProfile;
-        final senderAvatarUrl = pmp?.avatar ?? notification.sender.avatar;
-        // Only Android can show the sender's avatar
-        final senderAvatar = senderAvatarUrl == null || !Platform.isAndroid
-            ? null
-            : await client.downloadMedia(
-                .new(mxc: senderAvatarUrl, isAvatar: true),
                   );
 
         await ref
             .read(NotificationController.provider.notifier)
             .send(
-              // Android stacks messages into one conversation per room
+              id: event.eventId.hashCode & 0x7fffffff,
-              id:
+              title: roomMetadata.name ?? "New Event",
-                  (Platform.isAndroid
-                          ? notification.roomId
-                          : notification.eventId)
-                      .hashCode &
-                  0x7fffffff,
-              title: notification.roomName,
               icon: icon,
-              payload: notification.eventRowId.toString(),
+              payload: event.rowId.toString(),
-              body: notification.text,
+              body: switch (event.content) {
-              senderName: pmp?.name ?? notification.sender.name,
+                MessageContent(:final body?) ||
-              senderAvatar: senderAvatar,
+                StickerContent(:final body) => body,
-              selfName: notification.self.name,
+                _ => null,
-              isGroup: !notification.isDm,
+              },
-              sound: notification.sound,
-              timestamp: notification.timestamp,
-              threadId: notification.roomId,
             );
 
         if (isInBackground) exit(0);
@@ -140,11 +125,9 @@ class UnifiedPushController extends AsyncNotifier<String?> {
       onUnregistered: deregister,
     );
 
-    if (!registered || isInBackground) return null;
+    if (!registered) return null;
 
     try {
-      if (await deregisterIfDisabled()) return null;
-
       return await register();
     } catch (error, stackTrace) {
       showError(error, stackTrace);
@@ -163,9 +146,19 @@ class UnifiedPushController extends AsyncNotifier<String?> {
 
     state = .loading();
     try {
-      final deviceId = await ref
+      final deviceIdCompleter = Completer<String>();
-          .read(GomuksListenerController.provider.notifier)
+      final subscription = ref.listen(
-          .deviceId();
+        ClientStateController.provider.select((value) => value?.deviceId),
+        (_, next) {
+          if (next != null && !deviceIdCompleter.isCompleted) {
+            deviceIdCompleter.complete(next);
+          }
+        },
+        fireImmediately: true,
+      );
+      final deviceId = await deviceIdCompleter.future.whenComplete(
+        subscription.close,
+      );
 
       await Future(() async {
         final capabilities = await ref
@@ -211,27 +204,12 @@ class UnifiedPushController extends AsyncNotifier<String?> {
     }
   }
 
-  Future<bool> deregisterIfDisabled([String? notificationInstance]) async {
-    if (await ref
-        .read(NotificationController.provider.notifier)
-        .permissionsGranted()) {
-      return false;
-    }
-
-    final instance =
-        notificationInstance ??
-        await ref.read(GomuksListenerController.provider.notifier).deviceId();
-    final key = await ref.read(PushKeyController.provider(instance).future);
-    if (key != null) await deregister(instance);
-    return true;
-  }
-
   Future<void> deregister([String? instance]) async {
-    instance ??= await ref
+    final clientState = ref.read(ClientStateController.provider);
-        .read(GomuksListenerController.provider.notifier)
-        .deviceId();
 
-    final keyProvider = PushKeyController.provider(instance);
+    final keyProvider = PushKeyController.provider(
+      instance ?? clientState!.deviceId!,
+    );
     final key = await ref.read(keyProvider.future);
 
     if (key != null) {
@@ -245,7 +223,7 @@ class UnifiedPushController extends AsyncNotifier<String?> {
       );
     }
 
-    await UnifiedPush.unregister(instance);
+    await UnifiedPush.unregister(instance ?? clientState!.deviceId!);
     state = .data(null);
   }
 

lib/helpers/extensions/save_attachment.dart

@@ -1,34 +0,0 @@
-import "package:flutter_riverpod/flutter_riverpod.dart";
-import "package:material_ui/material_ui.dart";
-import "package:nexus/controllers/client.dart";
-import "package:nexus/helpers/extensions/show_error_snack_bar.dart";
-import "package:nexus/helpers/extensions/with_progress_snackbar.dart";
-import "package:nexus/helpers/file_dialog_helper.dart";
-
-extension SaveAttachment on BuildContext {
-  /// Downloads the media at [mxc], displaying a snackbar whilst it's donwnloading,
-  /// then lets the user pick where to save it, suggesting [filename].
-  Future<void> saveAttachment(
-    WidgetRef ref,
-    Uri mxc, {
-    required bool encrypted,
-    String? filename,
-  }) async {
-    final file = await withProgressSnackbar(
-      "Downloading file...",
-      () => ref
-          .read(ClientController.provider.notifier)
-          .downloadMedia(.new(mxc: mxc, encrypted: encrypted)),
-    );
-    if (file == null || !mounted) return;
-
-    final messenger = ScaffoldMessenger.of(this);
-    try {
-      await ref
-          .read(FileDialogHelper.provider)
-          .saveFile(file, filename ?? mxc.pathSegments.last);
-    } catch (error) {
-      messenger.showErrorSnackBar(error.toString());
-    }
-  }
-}

lib/helpers/file_dialog_helper.dart

@@ -1,93 +0,0 @@
-import "dart:io";
-
-import "package:file_selector/file_selector.dart";
-import "package:flutter_file_dialog/flutter_file_dialog.dart";
-import "package:flutter_riverpod/flutter_riverpod.dart";
-import "package:mime/mime.dart";
-import "package:nexus/controllers/image_picker.dart";
-import "package:nexus/controllers/portal.dart";
-import "package:xdg_desktop_portal/xdg_desktop_portal.dart";
-
-class FileDialogHelper(final Ref ref) {
-  Future<bool> saveFile(File file, String filename) async {
-    final mimeType = lookupMimeType(
-      file.path,
-      headerBytes: await file
-          .openRead(0, defaultMagicNumbersMaxLength)
-          .expand((bytes) => bytes)
-          .toList(),
-    );
-
-    final filenameWithExtension = mimeType == null
-        ? filename
-        : "$filename.${extensionFromMime(mimeType)}";
-
-    if (Platform.isAndroid || Platform.isIOS) {
-      return await FlutterFileDialog.saveFile(
-            params: .new(
-              sourceFilePath: file.path,
-              fileName: filenameWithExtension,
-            ),
-          ) !=
-          null;
-    }
-
-    final destination = Platform.isLinux
-        ? await getLinuxSaveLocation(filenameWithExtension)
-        : (await getSaveLocation(suggestedName: filenameWithExtension))?.path;
-    if (destination == null) return false;
-
-    await file.copy(destination);
-    return true;
-  }
-
-  Future<String?> getLinuxSaveLocation(String filename) async {
-    final portal = await ref.read(PortalController.provider.future);
-
-    try {
-      final result = await portal.fileChooser
-          .saveFile(title: "Save file", currentName: filename)
-          .first;
-
-      return switch (result.uris.firstOrNull) {
-        final uri? => Uri.parse(uri).toFilePath(),
-        null => null,
-      };
-    } on XdgPortalRequestCancelledException catch (_) {
-      return null;
-    }
-  }
-
-  /// Lets the user pick a file, or only images if [images] is true. Returns
-  /// null if the user cancelled.
-  Future<XFile?> pickFile({bool images = false}) async {
-    if (!Platform.isLinux) {
-      return images
-          ? ref.read(ImagePickerController.provider).pickImage(source: .gallery)
-          : openFile();
-    }
-
-    final portal = await ref.read(PortalController.provider.future);
-
-    try {
-      final result = await portal.fileChooser
-          .openFile(
-            title: images ? "Pick image" : "Pick file",
-            filters: [
-              if (images)
-                .new("Images", [XdgFileChooserMimeTypePattern("image/*")]),
-            ],
-          )
-          .first;
-
-      return switch (result.uris.firstOrNull) {
-        final uri? => XFile(Uri.parse(uri).toFilePath()),
-        null => null,
-      };
-    } on XdgPortalRequestCancelledException catch (_) {
-      return null;
-    }
-  }
-
-  static final provider = Provider<FileDialogHelper>(FileDialogHelper.new);
-}

lib/helpers/mxc_image.dart

@@ -1,9 +1,5 @@
-import "dart:async";
+import "dart:ui";
-import "dart:io";
-import "dart:isolate";
-import "dart:ui" as ui;
 
-import "package:avif_native/avif_native.dart";
 import "package:flutter/widgets.dart";
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:nexus/controllers/client.dart";
@@ -19,19 +15,13 @@ class MxcImage(final WidgetRef ref, final DownloadMediaRequest request)
   ImageStreamCompleter loadImage(MxcImage key, ImageDecoderCallback decode) =>
       MultiFrameImageStreamCompleter(codec: _loadAsync(decode), scale: 1.0);
 
-  Future<ui.Codec> _loadAsync(ImageDecoderCallback decode) async {
+  Future<Codec> _loadAsync(ImageDecoderCallback decode) async {
     final file = await ref
         .read(ClientController.provider.notifier)
         .downloadMedia(request);
-    final bytes = await File(file.path).readAsBytes();
+    final buffer = await ImmutableBuffer.fromFilePath(file.path);
 
-    // Flutter can't decode AVIF on Linux/Windows (or older Android/iOS), so we do it ourselves
+    return decode(buffer);
-    if (String.fromCharCodes(bytes.skip(4).take(8))
-        case "ftypavif" || "ftypavis") {
-      return AvifCodec(await Isolate.run(() => decodeAvif(bytes)));
-    }
-
-    return decode(await .fromUint8List(bytes));
   }
 
   @override
@@ -41,37 +31,3 @@ class MxcImage(final WidgetRef ref, final DownloadMediaRequest request)
   @override
   int get hashCode => request.hashCode;
 }
-
-class AvifCodec(final AvifImageData data) implements ui.Codec {
-  var _frameIndex = 0;
-
-  @override
-  int get frameCount => data.frames.length;
-
-  // libavif uses -2 for unknown, which we treat as infinite like browsers do
-  @override
-  int get repetitionCount =>
-      data.repetitionCount < 0 ? -1 : data.repetitionCount;
-
-  @override
-  Future<ui.FrameInfo> getNextFrame() {
-    final frame = data.frames[_frameIndex++ % frameCount];
-    final completer = Completer<ui.FrameInfo>();
-    ui.decodeImageFromPixels(
-      frame.rgba,
-      frame.width,
-      frame.height,
-      .rgba8888,
-      (image) => completer.complete(AvifFrameInfo(frame.duration, image)),
-    );
-    return completer.future;
-  }
-
-  @override
-  void dispose() {}
-}
-
-class AvifFrameInfo(
-  @override final Duration duration,
-  @override final ui.Image image,
-) implements ui.FrameInfo;

lib/models/events_decrypted.dart

@@ -1,23 +0,0 @@
-import "package:fast_immutable_collections/fast_immutable_collections.dart";
-import "package:freezed_annotation/freezed_annotation.dart";
-import "package:nexus/models/epoch_date_time_converter.dart";
-import "package:nexus/models/event.dart";
-import "package:nexus/models/room.dart";
-
-part "events_decrypted.freezed.dart";
-part "events_decrypted.g.dart";
-
-@Freezed(toJson: false, fromJson: false)
-@JsonSerializable(createToJson: false)
-class const EventsDecrypted({
-  required final String roomId,
-  @JsonKey(name: "preview_event_rowid") final int? previewEventRowID,
-  @EpochDateTimeConverter() final DateTime? sortingTimestamp,
-
-  /// [events] is an IMap of eventRowId to event
-  @JsonKey(fromJson: Room.eventsJsonToIMap)
-  required final IMap<int, Event> events,
-}) with _$EventsDecrypted {
-  factory EventsDecrypted.fromJson(Map<String, Object?> json) =>
-      _$EventsDecryptedFromJson(json);
-}

lib/models/push_notification.dart

@@ -1,44 +0,0 @@
-import "package:freezed_annotation/freezed_annotation.dart";
-import "package:nexus/models/epoch_date_time_converter.dart";
-
-part "push_notification.freezed.dart";
-part "push_notification.g.dart";
-
-@Freezed(toJson: false, fromJson: false)
-@JsonSerializable(createToJson: false)
-class const PushNotification({
-  @EpochDateTimeConverter() required final DateTime timestamp,
-
-  required final String eventId,
-  @JsonKey(name: "event_rowid") required final int eventRowId,
-
-  required final String roomId,
-  required final String roomName,
-  final Uri? roomAvatar,
-  final bool isDm = false,
-
-  required final NotificationUser sender,
-  required final NotificationUser self,
-  final NotificationUser? perMessageProfile,
-
-  required final String text,
-  final Uri? image,
-
-  final bool mention = false,
-  final bool reply = false,
-  final bool sound = false,
-}) with _$PushNotification {
-  factory PushNotification.fromJson(Map<String, Object?> json) =>
-      _$PushNotificationFromJson(json);
-}
-
-@Freezed(toJson: false, fromJson: false)
-@JsonSerializable(createToJson: false)
-class const NotificationUser({
-  required final String id,
-  required final String name,
-  final Uri? avatar,
-}) with _$NotificationUser {
-  factory NotificationUser.fromJson(Map<String, Object?> json) =>
-      _$NotificationUserFromJson(json);
-}

lib/models/requests/register_pusher.dart

@@ -13,6 +13,8 @@ class const RegisterPusherRequest({
   required final String deviceDisplayName,
   required final PusherKind kind,
   required final String lang,
+
+  /// TODO: What does this do?
   final String? profileTag,
 
   @JsonKey(name: "pushkey") required final String pushKey,

lib/models/settings.dart

@@ -13,7 +13,6 @@ class const Settings({
   final bool linuxMobileMode = false,
   final bool showAllInHome = false,
   final bool showMinimizeButton = false,
-  final bool swipeToReply = false,
   final RoomOrder roomOrder = .unreadFirst,
 }) with _$Settings {
   Map<String, Object?> toJson() => _$SettingsToJson(this);

lib/widgets/composer/composer.dart

@@ -1,6 +1,7 @@
 import "dart:io";
 
 import "package:fast_immutable_collections/fast_immutable_collections.dart";
+import "package:file_selector/file_selector.dart";
 import "package:nexus/controllers/rooms.dart";
 import "package:nexus/widgets/emoji_picker.dart";
 import "package:nexus/helpers/extensions/show_adaptive_sheet.dart";
@@ -12,7 +13,6 @@ import "package:fluttertagger/fluttertagger.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:nexus/controllers/attachment.dart";
 import "package:nexus/controllers/image_picker.dart";
-import "package:nexus/helpers/file_dialog_helper.dart";
 import "package:image_picker/image_picker.dart";
 import "package:nexus/controllers/power_level.dart";
 import "package:nexus/models/content/message.dart";
@@ -245,24 +245,14 @@ class const Composer(
                                       leading: Icon(icon),
                                     ),
                                     onTap: () => attach(
-                                      source == .gallery
+                                      ref
-                                          ? ref
+                                          .read(ImagePickerController.provider)
-                                                .read(FileDialogHelper.provider)
-                                                .pickFile(images: true)
-                                          : ref
-                                                .read(
-                                                  ImagePickerController
-                                                      .provider,
-                                                )
                                           .pickImage(source: source),
                                     ).onError(showError),
                                   ),
                                 PopupMenuItem(
-                                  onTap: () => attach(
+                                  onTap: () =>
-                                    ref
+                                      attach(openFile()).onError(showError),
-                                        .read(FileDialogHelper.provider)
-                                        .pickFile(),
-                                  ).onError(showError),
                                   child: ListTile(
                                     title: Text("Files"),
                                     leading: Icon(Icons.attachment),

lib/widgets/expandable_image.dart

@@ -1,7 +1,6 @@
 import "package:material_ui/material_ui.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:m3e_buttons/m3e_buttons.dart";
-import "package:nexus/helpers/extensions/save_attachment.dart";
 import "package:nexus/helpers/mxc_image.dart";
 import "package:nexus/models/requests/download_media.dart";
 import "package:nexus/widgets/error_dialog.dart";
@@ -9,9 +8,6 @@ import "package:nexus/widgets/error_dialog.dart";
 final class const ExpandableImage(
   final DownloadMediaRequest? request, {
   required final Widget child,
-
-  /// If set, a download button is shown, suggesting this filename
-  final String? downloadFilename,
   super.key,
 }) extends ConsumerWidget {
   @override
@@ -42,26 +38,10 @@ final class const ExpandableImage(
                     alignment: .topRight,
                     child: Padding(
                       padding: .all(32),
-                      child: Row(
+                      child: M3EButton(
-                        mainAxisSize: .min,
-                        spacing: 8,
-                        children: [
-                          if (downloadFilename != null)
-                            M3EButton(
-                              onPressed: () => context.saveAttachment(
-                                ref,
-                                request!.mxc,
-                                encrypted: request!.encrypted,
-                                filename: downloadFilename,
-                              ),
-                              child: Icon(Icons.download),
-                            ),
-                          M3EButton(
                         onPressed: Navigator.of(context).pop,
                         child: Icon(Icons.close),
                       ),
-                        ],
-                      ),
                     ),
                   ),
                 ],

lib/widgets/file_card.dart

@@ -1,6 +1,4 @@
-import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:material_ui/material_ui.dart";
-import "package:nexus/helpers/extensions/save_attachment.dart";
 import "package:nexus/helpers/extensions/size_to_string.dart";
 import "package:nexus/models/info/file.dart";
 
@@ -8,11 +6,10 @@ final class const FileCard(
   final Uri uri,
   final FileInfo? info, {
   final String? filename,
-  final bool encrypted = false,
   super.key,
-}) extends ConsumerWidget {
+}) extends StatelessWidget {
   @override
-  Widget build(BuildContext context, WidgetRef ref) => SizedBox(
+  Widget build(BuildContext context) => SizedBox(
     width: 320,
     child: Card(
       color: Theme.of(context).colorScheme.surfaceContainer,
@@ -20,15 +17,8 @@ final class const FileCard(
         leading: Icon(Icons.file_copy),
         title: Text(filename ?? "file", maxLines: 1, overflow: .ellipsis),
         subtitle: info?.size == null ? null : Text(info!.size!.sizeAsString),
-        trailing: IconButton(
+        // TODO: Downloading files
-          onPressed: () => context.saveAttachment(
+        trailing: IconButton(onPressed: null, icon: Icon(Icons.download)),
-            ref,
-            uri,
-            encrypted: encrypted,
-            filename: filename,
-          ),
-          icon: Icon(Icons.download),
-        ),
       ),
     ),
   );

lib/widgets/html/html.dart

@@ -79,7 +79,6 @@ class const Html(
                   alignment: PlaceholderAlignment.middle,
                   child: ExpandableImage(
                     .new(mxc: src),
-                    downloadFilename: src.pathSegments.last,
                     child: Image(
                       image: MxcImage(ref, .new(mxc: src)),
                       errorBuilder: (_, error, _) => Text(

lib/widgets/html/mention_chip.dart

@@ -43,6 +43,7 @@ class const MentionChip(final String content, final String? roomId, {super.key})
               if (data case MembershipContent membership) {
                 context.showUserPopover(membership, mention, roomId: roomId);
               } else if (data case RoomSummary summary) {
+                // TODO: This is an extra call that isn't truly needed, get rid of it
                 final eventRowId = linkInfo?.eventId == null
                     ? null
                     : await ref

lib/widgets/message_image.dart

@@ -11,7 +11,6 @@ final class const MessageImage(
   final Uri url, {
   final i.ImageInfo? info,
   required final bool encrypted,
-  final String? filename,
   super.key,
 }) extends ConsumerWidget {
   @override
@@ -19,7 +18,6 @@ final class const MessageImage(
     final request = DownloadMediaRequest(mxc: url, encrypted: encrypted);
     return ExpandableImage(
       request,
-      downloadFilename: filename,
       child: ClipRRect(
         borderRadius: .all(.circular(8)),
         child: AspectRatio(

lib/widgets/pages/chat.dart

@@ -2,7 +2,7 @@ import "package:flutter_hooks/flutter_hooks.dart";
 import "package:material_ui/material_ui.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:nexus/controllers/init_complete.dart";
-import "package:nexus/controllers/selected_room.dart";
+import "package:nexus/controllers/key.dart";
 import "package:nexus/controllers/notification_request.dart";
 import "package:nexus/helpers/extensions/is_desktop.dart";
 import "package:nexus/widgets/appbar.dart";
@@ -37,14 +37,11 @@ class const ChatPage({super.key}) extends HookConsumerWidget {
       builder: (context, constraints) {
         final isDesktop = context.isDesktop;
         final showMembersByDefault = constraints.maxWidth > 1000;
-        final roomId = ref.watch(SelectedRoomController.provider);
+        final roomId = ref
+            .watch(KeyController.provider(KeyController.roomKey))
+            .requireValue;
 
-        return PopScope(
+        return SafeArea(
-          canPop: false,
-          onPopInvokedWithResult: (didPop, _) {
-            if (!didPop) scaffoldKey.currentState?.openDrawer();
-          },
-          child: SafeArea(
           child: Scaffold(
             key: scaffoldKey,
             appBar: initComplete ? null : Appbar(),
@@ -77,7 +74,6 @@ class const ChatPage({super.key}) extends HookConsumerWidget {
                   ),
             drawer: isDesktop || !initComplete ? null : Sidebar(),
           ),
-          ),
         );
       },
     );

lib/widgets/players/audio.dart

@@ -5,7 +5,6 @@ import "package:flutter_hooks/flutter_hooks.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:media_kit/media_kit.dart";
 import "package:nexus/controllers/client.dart";
-import "package:nexus/helpers/extensions/save_attachment.dart";
 import "package:nexus/models/info/audio.dart";
 import "package:nexus/widgets/players/player_controls.dart";
 
@@ -13,7 +12,6 @@ class const AudioPlayer(
   final Uri uri,
   final AudioInfo? info, {
   final bool encrypted = false,
-  final String? filename,
   super.key,
 }) extends HookConsumerWidget {
   @override
@@ -40,24 +38,8 @@ class const AudioPlayer(
       child: Card(
         color: Theme.of(context).colorScheme.surfaceContainer,
         child: Padding(
-          padding: .symmetric(horizontal: 8),
+          padding: .only(left: 8, right: 16),
-          child: PlayerControls(
+          child: PlayerControls(player, loading: !loaded.value),
-            player,
-            loading: !loaded.value,
-            actions: .new([
-              SizedBox(width: 4),
-              IconButton(
-                onPressed: () => context.saveAttachment(
-                  ref,
-                  uri,
-                  encrypted: encrypted,
-                  filename: filename,
-                ),
-                tooltip: "Download",
-                icon: Icon(Icons.download),
-              ),
-            ]),
-          ),
         ),
       ),
     );

lib/widgets/players/video.dart

@@ -3,7 +3,6 @@ import "dart:async";
 import "package:material_ui/material_ui.dart";
 import "package:hooks_riverpod/hooks_riverpod.dart";
 import "package:nexus/controllers/client.dart";
-import "package:nexus/helpers/extensions/save_attachment.dart";
 import "package:nexus/models/info/video.dart";
 import "package:flutter_hooks/flutter_hooks.dart";
 import "package:media_kit/media_kit.dart";
@@ -14,7 +13,6 @@ class const VideoPlayer(
   final Uri uri,
   final VideoInfo? info, {
   final bool encrypted = false,
-  final String? filename,
   super.key,
 }) extends HookConsumerWidget {
   @override
@@ -63,24 +61,6 @@ class const VideoPlayer(
                           onTap: loaded.value ? player.playOrPause : null,
                         ),
                       ),
-                      Positioned(
-                        top: 4,
-                        right: 4,
-                        child: IconButton(
-                          onPressed: () => context.saveAttachment(
-                            ref,
-                            uri,
-                            encrypted: encrypted,
-                            filename: filename,
-                          ),
-                          color: Colors.white,
-                          style: IconButton.styleFrom(
-                            backgroundColor: Colors.black38,
-                          ),
-                          tooltip: "Download",
-                          icon: Icon(Icons.download),
-                        ),
-                      ),
                       Positioned(
                         left: 0,
                         right: 0,

lib/widgets/reaction_row.dart

@@ -53,12 +53,6 @@ class const ReactionRow(final Event event, {super.key}) extends ConsumerWidget {
                                         ref,
                                         .new(mxc: Uri.parse(reaction)),
                                       ),
-                                      errorBuilder: (context, _, _) => Icon(
-                                        Icons.broken_image,
-                                        color: Theme.of(context)
-                                            .colorScheme
-                                            .error,
-                                      ),
                                     )
                                   : Text(reaction, overflow: .ellipsis),
                             ),

lib/widgets/renderers/event.dart

@@ -29,7 +29,6 @@ import "package:nexus/widgets/renderers/message.dart";
 import "package:nexus/widgets/reaction_row.dart";
 import "package:nexus/widgets/renderers/membership.dart";
 import "package:nexus/widgets/renderers/generic_event.dart";
-import "package:nexus/widgets/swipe_to_reply.dart";
 import "package:nexus/widgets/timestamp.dart";
 
 class const EventRenderer(
@@ -40,9 +39,6 @@ class const EventRenderer(
   final int? maxLines,
   final JumpToEvent? jumpToEvent,
   final IList<PopupMenuEntry> Function(Event event)? getEventOptions,
-
-  /// If set, events can be swiped, calling this
-  final VoidCallback? onSwipe,
   super.key,
 }) extends HookConsumerWidget {
   @override
@@ -243,9 +239,7 @@ class const EventRenderer(
                   child: GestureDetector(
                     onSecondaryTapUp: contextMenuCallback,
                     onLongPressStart: contextMenuCallback,
-                    child: SwipeToReply(
+                    child: Padding(
-                      onSwipe: onSwipe,
-                      Padding(
                       padding: EdgeInsets.symmetric(horizontal: 8)
                           .copyWith(top: isGrouped ? 0 : 8),
                       child: Wrap(
@@ -263,7 +257,6 @@ class const EventRenderer(
                 ),
               ),
             ),
-            ),
 
             ...[
               if (child is! MessageRenderer) ReactionRow(event),

lib/widgets/renderers/message.dart

@@ -110,53 +110,14 @@ class const MessageRenderer(
                 ConstrainedBox(
                   constraints: .loose(.square(500)),
                   child: switch (event.content) {
-                    VideoMessageContent(
+                    VideoMessageContent(:final info, :final file) =>
-                      :final info,
+                      VideoPlayer(url, info, encrypted: file != null),
-                      :final file,
+                    AudioMessageContent(:final info, :final file) =>
-                      :final filename,
+                      AudioPlayer(url, info, encrypted: file != null),
-                      :final body,
+                    FileMessageContent(:final info, :final filename) =>
-                    ) =>
+                      FileCard(url, info, filename: filename),
-                      VideoPlayer(
+                    ImageMessageContent(:final info, :final file) =>
-                        url,
+                      MessageImage(url, info: info, encrypted: file != null),
-                        info,
-                        encrypted: file != null,
-                        filename: filename ?? body,
-                      ),
-                    AudioMessageContent(
-                      :final info,
-                      :final file,
-                      :final filename,
-                      :final body,
-                    ) =>
-                      AudioPlayer(
-                        url,
-                        info,
-                        encrypted: file != null,
-                        filename: filename ?? body,
-                      ),
-                    FileMessageContent(
-                      :final info,
-                      :final filename,
-                      :final file,
-                    ) =>
-                      FileCard(
-                        url,
-                        info,
-                        filename: filename,
-                        encrypted: file != null,
-                      ),
-                    ImageMessageContent(
-                      :final info,
-                      :final file,
-                      :final filename,
-                      :final body,
-                    ) =>
-                      MessageImage(
-                        url,
-                        info: info,
-                        encrypted: file != null,
-                        filename: filename ?? body,
-                      ),
                     _ => SizedBox.shrink(),
                   },
                 ),

lib/widgets/reset_encryption_sheet.dart

@@ -5,7 +5,6 @@ import "package:nexus/controllers/client.dart";
 import "package:nexus/controllers/client_state.dart";
 import "package:nexus/helpers/extensions/show_adaptive_sheet.dart";
 import "package:nexus/main.dart";
-import "package:nexus/models/client_state.dart";
 import "package:nexus/widgets/recovery_key_sheet.dart";
 import "package:nexus/widgets/sheet_layout.dart";
 
@@ -17,12 +16,11 @@ class const ResetEncryptionSheet({
 }) extends HookConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final verificationState = ref.watch(
+    final isReset = ref.watch(
       ClientStateController.provider.select(
-        (state) => state?.verificationState,
+        (state) => state?.verificationState.hasCrossSigning ?? false,
       ),
     );
-    final isReset = verificationState?.hasCrossSigning ?? false;
 
     final usePassphrase = useState(false);
     final passphraseController = useTextEditingController();
@@ -97,13 +95,6 @@ class const ResetEncryptionSheet({
         ),
       ],
       children: [
-        if (verificationState case VerificationState(
-          hasCrossSigning: true,
-          hasSecretStorage: false,
-        ))
-          const Text(
-            "Your account has an encryption identity, but no recovery key. If you're still signed in on another client, you can set up a recovery key there instead, then restart Nexus and use it to verify. Otherwise, continue with the reset:",
-          ),
         Text(
           isReset
               ? "This replaces your encryption identity with a new one. Your other sessions will need to be verified again, and any messages you can't currently decrypt may become unreadable."

lib/widgets/room_chat/chat_timeline.dart

@@ -13,7 +13,6 @@ class const ChatTimeline({
   required final IList<PopupMenuEntry> Function(Event) getEventOptions,
   required final int? highlightedEvent,
   required final double composerHeight,
-  final void Function(int rowId)? onSwipe,
   super.key,
 }) extends StatelessWidget {
   Widget eventRow(
@@ -27,7 +26,6 @@ class const ChatTimeline({
       roomId: roomId,
       jumpToEvent: jumpToEvent,
       getEventOptions: getEventOptions,
-      onSwipe: onSwipe == null ? null : () => onSwipe!(eventRowId),
     ),
     key: key,
     isHighlighted: highlightedEvent == eventRowId,

lib/widgets/room_chat/room_chat.dart

@@ -7,8 +7,6 @@ import "package:measure_size/measure_size.dart";
 import "package:nexus/controllers/client.dart";
 import "package:nexus/controllers/client_state.dart";
 import "package:nexus/controllers/member_list_opened.dart";
-import "package:nexus/controllers/power_level.dart";
-import "package:nexus/controllers/settings.dart";
 import "package:nexus/controllers/rooms.dart";
 import "package:nexus/controllers/room_chat.dart";
 import "package:nexus/helpers/hooks/chat_scroll.dart";
@@ -173,28 +171,17 @@ final class const RoomChat({
       return null;
     }, [jumpRowId]);
 
-    void onRelation(int rowId, RelationType type) {
-      relatedEvent.value = rowId;
-      relationType.value = type;
-      composerNode.requestFocus();
-    }
-
     IList<PopupMenuEntry> getEventOptions(Event event) =>
         event.buildEventOptions(
           context: context,
           ref: ref,
           roomId: roomId,
           userId: userId,
-          onRelation: onRelation,
+          onRelation: (rowId, type) {
-        );
+            relatedEvent.value = rowId;
-
+            relationType.value = type;
-    final swipeToReply = ref.watch(
+            composerNode.requestFocus();
-      SettingsController.provider.select(
+          },
-        (settings) => settings.value?.swipeToReply ?? false,
-      ),
-    );
-    final canReply = ref.watch(
-      PowerLevelController.provider(.new(eventType: .message, roomId: roomId)),
         );
 
     return Scaffold(
@@ -237,9 +224,6 @@ final class const RoomChat({
                                   roomId: roomId,
                                   jumpToEvent: jumpToEvent,
                                   getEventOptions: getEventOptions,
-                                  onSwipe: swipeToReply && canReply
-                                      ? (rowId) => onRelation(rowId, .reply)
-                                      : null,
                                   highlightedEvent: highlightedEvent.value,
                                   composerHeight: composerSize.value,
                                 ),

lib/widgets/room_list.dart

@@ -22,10 +22,9 @@ import "package:nexus/widgets/room_summary_sheet.dart";
 import "package:nexus/widgets/room_menu_button.dart";
 import "package:nexus/widgets/space_hierarchy_sheet.dart";
 import "package:nexus/controllers/key.dart";
-import "package:nexus/controllers/selected_room.dart";
-import "package:nexus/controllers/selected_space.dart";
 import "package:nexus/controllers/rooms.dart";
 import "package:nexus/controllers/spaces.dart";
+import "package:collection/collection.dart";
 
 // Needed for navigation_rail_m3e (#65).
 import "package:flutter/material.dart" as old_mat;
@@ -218,8 +217,23 @@ class const SpacesRail({super.key}) extends ConsumerWidget {
 class const RoomsPane({super.key}) extends ConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
-    final selectedRoomId = ref.watch(SelectedRoomController.provider);
+    final selectedSpaceId = ref.watch(
-    final selectedSpace = ref.watch(SelectedSpaceController.provider)!;
+      KeyController.provider(KeyController.spaceKey)
+          .select((async) => async.requireValue),
+    );
+    final selectedRoomId = ref.watch(
+      KeyController.provider(KeyController.roomKey)
+          .select((async) => async.requireValue),
+    );
+    final selectedSpace = ref.watch(
+      SpacesController.provider.select((async) {
+        final spaces = async.requireValue;
+        return spaces.firstWhereOrNull(
+              (space) => space.id == selectedSpaceId,
+            ) ??
+            spaces.first;
+      }),
+    );
     final isDm = selectedSpace.id == "dms";
     final spaceMetadata = selectedSpace.room?.metadata;
 

lib/widgets/room_summary_sheet.dart

@@ -30,7 +30,6 @@ class const RoomSummarySheet(
           if (summary.avatarUrl != null)
             ExpandableImage(
               summary.avatarUrl == null ? null : .new(mxc: summary.avatarUrl!),
-              downloadFilename: name,
               child: AvatarOrHash(
                 summary.avatarUrl,
                 "",

lib/widgets/settings/dialog_list_tile.dart

@@ -4,24 +4,40 @@ import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:nexus/widgets/settings/radio_sheet.dart";
 
 final class const DialogListTile<T>({
-  required final T? value,
+  required final T? initialValue,
   required final Icon icon,
   required final String title,
   required final List<T> options,
   required final void Function(T value)? onChanged,
   required final String Function(T option) getName,
   final Widget? subtitle,
+  final bool required = true,
   super.key,
 }) extends ConsumerWidget {
   @override
-  Widget build(BuildContext context, WidgetRef ref) => ListTile(
+  Widget build(BuildContext context, WidgetRef ref) => FormField(
+    validator: (value) =>
+        value == null && required == true ? "This field is required." : null,
+    initialValue: initialValue,
+    builder: (field) => InputDecorator(
+      decoration: InputDecoration(
+        errorText: field.errorText,
+        contentPadding: EdgeInsets.zero,
+        enabledBorder: InputBorder.none,
+      ),
+      child: ListTile(
         enabled: onChanged != null,
         onTap: () => context.showAdaptiveSheet(
           (context) => RadioSheet<T>(
             title: title,
             getName: getName,
-        onChanged: onChanged,
+            onChanged: onChanged == null
-        value: value,
+                ? null
+                : (value) {
+                    field.didChange(value);
+                    onChanged!.call(value);
+                  },
+            value: field.value,
             options: options,
           ),
         ),
@@ -30,10 +46,12 @@ final class const DialogListTile<T>({
         leading: icon,
         trailing: Chip(
           label: Text(
-        value == null ? "None" : getName(value as T),
+            field.value == null ? "None" : getName(field.value as T),
             overflow: TextOverflow.ellipsis,
             style: onChanged == null ? .new(color: Colors.grey) : null,
           ),
         ),
+      ),
+    ),
   );
 }

lib/widgets/space_hierarchy_sheet.dart

@@ -236,8 +236,6 @@ class const SpaceHierarchySheet(final String spaceId, {super.key})
                   if (space?.avatarUrl case final avatarUrl?)
                     ExpandableImage(
                       .new(mxc: avatarUrl),
-                      downloadFilename:
-                          space?.name ?? space?.canonicalAlias ?? spaceId,
                       child: AvatarOrHash(avatarUrl, "", dimension: 32),
                     ),
                   Expanded(

lib/widgets/swipe_to_reply.dart

@@ -1,58 +0,0 @@
-import "package:flutter/services.dart";
-import "package:flutter_hooks/flutter_hooks.dart";
-import "package:material_ui/material_ui.dart";
-
-class const SwipeToReply(
-  final Widget child, {
-  required final VoidCallback? onSwipe,
-  super.key,
-}) extends HookWidget {
-  static const maxDrag = 64.0;
-  static const threshold = 0.75;
-
-  @override
-  Widget build(BuildContext context) {
-    final controller = useAnimationController(duration: Durations.short4);
-    useListenable(controller);
-
-    if (onSwipe == null) return child;
-
-    final progress = controller.value;
-
-    return GestureDetector(
-      onHorizontalDragUpdate: (details) {
-        final previous = controller.value;
-        controller.value = previous + details.primaryDelta! / maxDrag;
-
-        if (previous < threshold && controller.value >= threshold) {
-          HapticFeedback.lightImpact();
-        }
-      },
-      onHorizontalDragEnd: (_) {
-        if (controller.value >= threshold) onSwipe!();
-        controller.animateBack(0, curve: Curves.easeOut);
-      },
-      onHorizontalDragCancel: () =>
-          controller.animateBack(0, curve: Curves.easeOut),
-      child: Stack(
-        alignment: .centerLeft,
-        children: [
-          Positioned(
-            left: 16,
-            child: Opacity(
-              opacity: (progress / threshold).clamp(0, 1),
-              child: Transform.scale(
-                scale: progress >= threshold ? 1 : 0.75,
-                child: const Icon(Icons.reply),
-              ),
-            ),
-          ),
-          Transform.translate(
-            offset: .new(progress * maxDrag, 0),
-            child: child,
-          ),
-        ],
-      ),
-    );
-  }
-}

lib/widgets/user_bottom_sheet.dart

@@ -103,7 +103,6 @@ final class const UserBottomSheet(
 
             ExpandableImage(
               member.avatarUrl == null ? null : .new(mxc: member.avatarUrl!),
-              downloadFilename: member.displayName ?? userId.localpart,
               child: AvatarOrHash(
                 member.avatarUrl,
                 member.displayName ?? userId.localpart,

linux/nix/pkg/avif_native.nix

@@ -1,49 +0,0 @@
-# avif_native's build hook downloads its prebuilt library, which the sandbox
-# can't do, so bundle it and point the manifest at the local copy instead
-{
-  stdenv,
-  fetchurl,
-  jq,
-}:
-let
-  artifacts = {
-    x86_64-linux = {
-      arch = "x64";
-      sha256 = "252b064f8ff4f0f265bc44294d4a7ed703dd7199688942c272dd8aa8d3039d5a";
-    };
-    aarch64-linux = {
-      arch = "arm64";
-      sha256 = "cdcf17cfd18b9b0f965b72615ddf11246121114577dc570d0bba25964e56c726";
-    };
-  };
-  inherit (artifacts.${stdenv.hostPlatform.system}) arch sha256;
-  key = "linux-${arch}-decode-dav1d";
-in
-{ version, src, ... }:
-stdenv.mkDerivation {
-  pname = "avif_native";
-  inherit version src;
-  inherit (src) passthru;
-
-  nativeBuildInputs = [ jq ];
-
-  library = fetchurl {
-    url = "https://github.com/Zhangw1998/avif_native/releases/download/native-v0.1.0/${key}-libavif_native.so.gz";
-    inherit sha256;
-  };
-
-  # The hook checksums the library, so it must stay byte-identical
-  dontFixup = true;
-
-  installPhase = ''
-    runHook preInstall
-
-    cp -r . $out
-    chmod -R u+w $out
-    gunzip -c $library > $out/native/libavif_native.so
-    jq '.artifacts["${key}"].path = "libavif_native.so"' \
-      native/manifest.json > $out/native/manifest.json
-
-    runHook postInstall
-  '';
-}

linux/nix/pkg/default.nix

@@ -12,7 +12,7 @@
 
 flutter.buildFlutterApplication {
   pname = "nexus";
-  version = "1.0.0-alpha4";
+  version = "1.0.0-alpha2";
   inherit src;
 
   preBuild = ''
@@ -34,8 +34,6 @@ flutter.buildFlutterApplication {
 
   autoPubspecLock = src + "/pubspec.lock";
 
-  customSourceBuilders.avif_native = callPackage ./avif_native.nix { };
-
   gitHashes = {
     linkify = "sha256-TpMD6+0zyY6i9l+6d8ErnVufmepCv362rCtnbOht/z4=";
     fab_m3e = "sha256-5V9m6yY0jimx2gh7lQHYg4HDKQ4Wrl0ATmBhw5DkQMI=";

linux/nix/pkg/gomuks.nix

@@ -17,7 +17,7 @@ buildGoModule (
 
     src = "${src}/gomuks";
 
-    vendorHash = "sha256-nd0NEKXscgrFE/gBEW2aP+YeZNTOdbRa4QDLTRwIAZU=";
+    vendorHash = "sha256-+0iFK2ribhiNskXgPz7vslncuOgPMB/ZmFSfDOcz6ww=";
 
     buildPhase = ''
       runHook preBuild

pubspec.lock

@@ -105,14 +105,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.13.1"
-  avif_native:
-    dependency: "direct main"
-    description:
-      name: avif_native
-      sha256: "0a374a7ddc6e48d671792bd33efd9f46f199389cdcd42561210bd886facbc62e"
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.1.1"
   boolean_selector:
     dependency: transitive
     description:
@@ -463,14 +455,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.9.1"
-  flutter_file_dialog:
-    dependency: "direct main"
-    description:
-      name: flutter_file_dialog
-      sha256: "5d270d69b6a5fdf45bdb88ebcf590e073dd89dfb45526ac83a64524ba57303b5"
-      url: "https://pub.dev"
-    source: hosted
-    version: "3.3.3"
   flutter_hooks:
     dependency: "direct main"
     description:
@@ -1001,7 +985,7 @@ packages:
     source: hosted
     version: "1.19.0"
   mime:
-    dependency: "direct main"
+    dependency: transitive
     description:
       name: mime
       sha256: bd47de35f07e27267e69c8c8b22edf9473bfee170a60d60fcc93730c5144b7f6

pubspec.yaml

@@ -1,6 +1,6 @@
 name: nexus
 description: "A simple and user-friendly Matrix client"
-version: 1.0.0-alpha4
+version: 1.0.0-alpha2
 publish_to: none
 
 flutter:
@@ -107,9 +107,7 @@ dependencies:
             url: https://github.com/Henry-Hiles/xdg_desktop_portal.dart
             ref: quad/nexus
     pasteboard: 0.5.0
-    flutter_file_dialog: 3.3.3
+
-    mime: 2.1.0
-    avif_native: 0.1.1
 dev_dependencies:
     build_runner: 2.16.2
     flutter_lints: 6.0.0
@@ -133,8 +131,3 @@ flutter_launcher_icons:
     macos:
         generate: true
         image_path: assets/mobile.png
-
-hooks:
-    user_defines:
-        avif_native:
-            features: decode