fix: window close hook

Signed-off-by: Kingtous <kingtous@qq.com>

flutter/lib/desktop/pages/connection_tab_page.dart

@@ -2,9 +2,13 @@ import 'dart:convert';
 import 'dart:math';
 
 import 'package:flutter/material.dart';
+import 'package:flutter_hbb/common.dart';
 import 'package:flutter_hbb/desktop/pages/remote_page.dart';
 import 'package:flutter_hbb/desktop/widgets/titlebar_widget.dart';
 import 'package:flutter_hbb/utils/multi_window_manager.dart';
+import 'package:get/get.dart';
+
+import '../../models/model.dart';
 
 class ConnectionTabPage extends StatefulWidget {
   final Map<String, dynamic> params;
@@ -51,6 +55,15 @@ class _ConnectionTabPageState extends State<ConnectionTabPage>
             });
           }
         });
+      } else if (call.method == "onDestroy") {
+        print("executing onDestroy hook, closing ${connectionIds}");
+        connectionIds.forEach((id) {
+          final tag = '${id}';
+          ffi(tag).close().then((_) {
+            Get.delete<FFI>(tag: tag);
+          });
+        });
+        Get.back();
       }
     });
   }

flutter/lib/desktop/pages/file_manager_tab_page.dart

@@ -2,8 +2,10 @@ import 'dart:convert';
 import 'dart:math';
 
 import 'package:flutter/material.dart';
+import 'package:flutter_hbb/common.dart';
 import 'package:flutter_hbb/desktop/pages/file_manager_page.dart';
 import 'package:flutter_hbb/desktop/widgets/titlebar_widget.dart';
+import 'package:flutter_hbb/models/model.dart';
 import 'package:flutter_hbb/utils/multi_window_manager.dart';
 import 'package:get/get.dart';
 
@@ -21,7 +23,7 @@ class _FileManagerTabPageState extends State<FileManagerTabPage>
     with SingleTickerProviderStateMixin {
   // refactor List<int> when using multi-tab
   // this singleton is only for test
-  List<String> connectionIds = List.empty(growable: true);
+  var connectionIds = List<String>.empty(growable: true).obs;
   var initialIndex = 0.obs;
 
   _FileManagerTabPageState(Map<String, dynamic> params) {
@@ -47,6 +49,15 @@ class _FileManagerTabPageState extends State<FileManagerTabPage>
           connectionIds.add(id);
           initialIndex.value = connectionIds.length - 1;
         }
+      } else if (call.method == "onDestroy") {
+        print("executing onDestroy hook, closing ${connectionIds}");
+        connectionIds.forEach((id) {
+          final tag = 'ft_${id}';
+          ffi(tag).close().then((_) {
+            Get.delete<FFI>(tag: tag);
+          });
+        });
+        Get.back();
       }
     });
   }

flutter/lib/models/model.dart

@@ -954,10 +954,10 @@ class FFI {
   }
 
   /// Close the remote session.
-  void close() {
+  Future<void> close() async {
     chatModel.close();
     if (imageModel.image != null && !isWebDesktop) {
-      savePreference(id, cursorModel.x, cursorModel.y, canvasModel.x,
+      await savePreference(id, cursorModel.x, cursorModel.y, canvasModel.x,
           canvasModel.y, canvasModel.scale, ffiModel.pi.currentDisplay);
     }
     bind.sessionClose(id: id);
@@ -1085,8 +1085,8 @@ class PeerInfo {
   List<Display> displays = [];
 }
 
-void savePreference(String id, double xCursor, double yCursor, double xCanvas,
+Future<void> savePreference(String id, double xCursor, double yCursor,
-    double yCanvas, double scale, int currentDisplay) async {
+    double xCanvas, double yCanvas, double scale, int currentDisplay) async {
   SharedPreferences prefs = await SharedPreferences.getInstance();
   final p = Map<String, dynamic>();
   p['xCursor'] = xCursor;

flutter/pubspec.yaml

@@ -62,7 +62,7 @@ dependencies:
     desktop_multi_window:
         git:
             url: https://github.com/Kingtous/rustdesk_desktop_multi_window
-            ref: c7d97cb6615f2def34f8bad4def01af9e0077beb
+            ref: 7b72918710921f5fe79eae2dbaa411a66f5dfb45
     # bitsdojo_window: ^0.1.2
     freezed_annotation: ^2.0.3
     tray_manager: 0.1.7