feat: add listener to windows resize

auth/lib/app/view/app.dart

@@ -12,11 +12,13 @@ import 'package:ente_auth/locale.dart';
 import "package:ente_auth/onboarding/view/onboarding_page.dart";
 import 'package:ente_auth/services/update_service.dart';
 import 'package:ente_auth/services/user_service.dart';
+import 'package:ente_auth/services/window_listener_service.dart';
 import 'package:ente_auth/ui/home_page.dart';
 import 'package:ente_auth/ui/settings/app_update_dialog.dart';
 import 'package:flutter/foundation.dart';
 import "package:flutter/material.dart";
 import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:window_manager/window_manager.dart';
 
 class App extends StatefulWidget {
   final Locale locale;
@@ -31,7 +33,7 @@ class App extends StatefulWidget {
   State<App> createState() => _AppState();
 }
 
-class _AppState extends State<App> {
+class _AppState extends State<App> with WindowListener {
   late StreamSubscription<SignedOutEvent> _signedOutEvent;
   late StreamSubscription<SignedInEvent> _signedInEvent;
   Locale? locale;
@@ -43,6 +45,7 @@ class _AppState extends State<App> {
 
   @override
   void initState() {
+    windowManager.addListener(this);
     _signedOutEvent = Bus.instance.on<SignedOutEvent>().listen((event) {
       if (mounted) {
         setState(() {});
@@ -76,6 +79,7 @@ class _AppState extends State<App> {
   @override
   void dispose() {
     super.dispose();
+    windowManager.removeListener(this);
     _signedOutEvent.cancel();
     _signedInEvent.cancel();
   }
@@ -134,4 +138,9 @@ class _AppState extends State<App> {
           : const OnboardingPage(),
     };
   }
+
+  @override
+  void onWindowResize() {
+    WindowListenerService.instance.onWindowResize().ignore();
+  }
 }

auth/lib/main.dart

@@ -16,6 +16,7 @@ import 'package:ente_auth/services/preference_service.dart';
 import 'package:ente_auth/services/update_service.dart';
 import 'package:ente_auth/services/user_remote_flag_service.dart';
 import 'package:ente_auth/services/user_service.dart';
+import 'package:ente_auth/services/window_listener_service.dart';
 import 'package:ente_auth/store/code_store.dart';
 import 'package:ente_auth/ui/tools/app_lock.dart';
 import 'package:ente_auth/ui/tools/lock_screen.dart';
@@ -39,8 +40,9 @@ void main() async {
 
   if (PlatformUtil.isDesktop()) {
     await windowManager.ensureInitialized();
-    WindowOptions windowOptions = const WindowOptions(
-      size: Size(450, 800),
+    await WindowListenerService.instance.init();
+    WindowOptions windowOptions = WindowOptions(
+      size: WindowListenerService.instance.getWindowSize(),
     );
     await windowManager.waitUntilReadyToShow(windowOptions, () async {
       await windowManager.show();

auth/lib/services/window_listener_service.dart

@@ -0,0 +1,36 @@
+import 'dart:async';
+import 'dart:ui';
+
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:window_manager/window_manager.dart';
+
+class WindowListenerService {
+  late SharedPreferences _preferences;
+
+  WindowListenerService._privateConstructor();
+
+  static final WindowListenerService instance =
+      WindowListenerService._privateConstructor();
+
+  Future<void> init() async {
+    _preferences = await SharedPreferences.getInstance();
+  }
+
+  Size getWindowSize() {
+    final double windowWidth = _preferences.getDouble('windowWidth') ?? 450.0;
+    final double windowHeight = _preferences.getDouble('windowHeight') ?? 800.0;
+    return Size(windowWidth, windowHeight);
+  }
+
+  Future<void> onWindowResize() async {
+    // Save the window size to shared preferences
+    await _preferences.setDouble(
+      'windowWidth',
+      (await windowManager.getSize()).width,
+    );
+    await _preferences.setDouble(
+      'windowHeight',
+      (await windowManager.getSize()).height,
+    );
+  }
+}