refactor: MVC multiple emote settings

lib/config/routes.dart

@@ -4,6 +4,7 @@ import 'package:fluffychat/views/archive.dart';
 import 'package:fluffychat/views/homeserver_picker.dart';
 import 'package:fluffychat/views/invitation_selection.dart';
 import 'package:fluffychat/views/settings_emotes.dart';
+import 'package:fluffychat/views/settings_multiple_emotes.dart';
 import 'package:fluffychat/views/sign_up.dart';
 import 'package:fluffychat/views/sign_up_password.dart';
 import 'package:fluffychat/views/widgets/matrix.dart';
@@ -23,7 +24,6 @@ import 'package:fluffychat/views/ui/settings_ui.dart';
 import 'package:fluffychat/views/settings_3pid.dart';
 import 'package:fluffychat/views/device_settings.dart';
 import 'package:fluffychat/views/settings_ignore_list.dart';
-import 'package:fluffychat/views/ui/settings_multiple_emotes_ui.dart';
 import 'package:fluffychat/views/ui/settings_notifications_ui.dart';
 import 'package:fluffychat/views/settings_style.dart';
 import 'package:flutter/material.dart';

lib/views/settings_multiple_emotes.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+
+import 'ui/settings_multiple_emotes_ui.dart';
+
+class MultipleEmotesSettings extends StatefulWidget {
+  final String roomId;
+
+  MultipleEmotesSettings(this.roomId, {Key key}) : super(key: key);
+
+  @override
+  MultipleEmotesSettingsController createState() =>
+      MultipleEmotesSettingsController();
+}
+
+class MultipleEmotesSettingsController extends State<MultipleEmotesSettings> {
+  @override
+  Widget build(BuildContext context) => MultipleEmotesSettingsUI(this);
+}

lib/views/ui/settings_multiple_emotes_ui.dart

@@ -1,17 +1,19 @@
 import 'package:adaptive_page_layout/adaptive_page_layout.dart';
+import 'package:fluffychat/views/settings_multiple_emotes.dart';
 import 'package:fluffychat/views/widgets/matrix.dart';
 import 'package:flutter/material.dart';
 import 'package:famedlysdk/famedlysdk.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 
-class MultipleEmotesSettings extends StatelessWidget {
+class MultipleEmotesSettingsUI extends StatelessWidget {
-  final String roomId;
+  final MultipleEmotesSettingsController controller;
 
-  MultipleEmotesSettings(this.roomId, {Key key}) : super(key: key);
+  MultipleEmotesSettingsUI(this.controller, {Key key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
-    final room = Matrix.of(context).client.getRoomById(roomId);
+    final room =
+        Matrix.of(context).client.getRoomById(controller.widget.roomId);
     return Scaffold(
       appBar: AppBar(
         leading: BackButton(),