refact, tab to window, flutter data, init commit

Signed-off-by: dignow <linlong1265@gmail.com>

flutter/lib/utils/multi_window_manager.dart

@@ -28,6 +28,13 @@ extension Index on int {
   }
 }
 
+class MultiWindowCallResult {
+  int windowId;
+  dynamic result;
+
+  MultiWindowCallResult(this.windowId, this.result);
+}
+
 /// Window Manager
 /// mainly use it in `Main Window`
 /// use it in sub window is not recommended
@@ -49,7 +56,10 @@ class RustDeskMultiWindowManager {
       'id': peerId,
       'session_id': sessionId,
     };
-    await _newSession(
+    // It's better to use the window id that returned by _newSession.
+    // Do not pass original window id to _newSession,
+    // as this function cann't promise the necessary data is passed to new window.
+    final multiWindowRes = await _newSession(
       false,
       WindowType.RemoteDesktop,
       kWindowEventNewRemoteDesktop,
@@ -57,17 +67,21 @@ class RustDeskMultiWindowManager {
       _remoteDesktopWindows,
       jsonEncode(params),
     );
+    // kWindowEventCloseForSeparateWindow will not only close the tab, but also pass the required data to new window.
     await DesktopMultiWindow.invokeMethod(
-        windowId, kWindowEventCloseForSeparateWindow, peerId);
+        windowId, kWindowEventCloseForSeparateWindow, {
+      'peerId': peerId,
+      'newWindowId': multiWindowRes.windowId,
+    });
   }
 
-  newSessionWindow(
+  Future<int> newSessionWindow(
       WindowType type, String remoteId, String msg, List<int> windows) async {
     final windowController = await DesktopMultiWindow.createWindow(msg);
+    final windowId = windowController.windowId;
     windowController
-      ..setFrame(const Offset(0, 0) &
-          Size(1280 + windowController.windowId * 20,
-              720 + windowController.windowId * 20))
+      ..setFrame(
+          const Offset(0, 0) & Size(1280 + windowId * 20, 720 + windowId * 20))
       ..center()
       ..setTitle(getWindowNameWithId(
         remoteId,
@@ -76,11 +90,12 @@ class RustDeskMultiWindowManager {
     if (Platform.isMacOS) {
       Future.microtask(() => windowController.show());
     }
-    registerActiveWindow(windowController.windowId);
-    windows.add(windowController.windowId);
+    registerActiveWindow(windowId);
+    windows.add(windowId);
+    return windowId;
   }
 
-  _newSession(
+  Future<MultiWindowCallResult> _newSession(
     bool openInTabs,
     WindowType type,
     String methodName,
@@ -90,9 +105,10 @@ class RustDeskMultiWindowManager {
   ) async {
     if (openInTabs) {
       if (windows.isEmpty) {
-        await newSessionWindow(type, remoteId, msg, windows);
+        final windowId = await newSessionWindow(type, remoteId, msg, windows);
+        return MultiWindowCallResult(windowId, null);
       } else {
-        call(type, methodName, msg);
+        return call(type, methodName, msg);
       }
     } else {
       if (_inactiveWindows.isNotEmpty) {
@@ -103,15 +119,16 @@ class RustDeskMultiWindowManager {
             await DesktopMultiWindow.invokeMethod(windowId, methodName, msg);
             WindowController.fromWindowId(windowId).show();
             registerActiveWindow(windowId);
-            return;
+            return MultiWindowCallResult(windowId, null);
           }
         }
       }
-      await newSessionWindow(type, remoteId, msg, windows);
+      final windowId = await newSessionWindow(type, remoteId, msg, windows);
+      return MultiWindowCallResult(windowId, null);
     }
   }
 
-  Future<dynamic> newSession(
+  Future<MultiWindowCallResult> newSession(
     WindowType type,
     String methodName,
     String remoteId,
@@ -143,15 +160,15 @@ class RustDeskMultiWindowManager {
       for (final windowId in windows) {
         if (await DesktopMultiWindow.invokeMethod(
             windowId, kWindowEventActiveSession, remoteId)) {
-          return;
+          return MultiWindowCallResult(windowId, null);
         }
       }
     }
 
-    await _newSession(openInTabs, type, methodName, remoteId, windows, msg);
+    return _newSession(openInTabs, type, methodName, remoteId, windows, msg);
   }
 
-  Future<dynamic> newRemoteDesktop(
+  Future<MultiWindowCallResult> newRemoteDesktop(
     String remoteId, {
     String? password,
     String? switchUuid,
@@ -168,7 +185,7 @@ class RustDeskMultiWindowManager {
     );
   }
 
-  Future<dynamic> newFileTransfer(String remoteId,
+  Future<MultiWindowCallResult> newFileTransfer(String remoteId,
       {String? password, bool? forceRelay}) async {
     return await newSession(
       WindowType.FileTransfer,
@@ -180,7 +197,7 @@ class RustDeskMultiWindowManager {
     );
   }
 
-  Future<dynamic> newPortForward(String remoteId, bool isRDP,
+  Future<MultiWindowCallResult> newPortForward(String remoteId, bool isRDP,
       {String? password, bool? forceRelay}) async {
     return await newSession(
       WindowType.PortForward,
@@ -193,18 +210,22 @@ class RustDeskMultiWindowManager {
     );
   }
 
-  Future<dynamic> call(WindowType type, String methodName, dynamic args) async {
+  Future<MultiWindowCallResult> call(
+      WindowType type, String methodName, dynamic args) async {
     final wnds = _findWindowsByType(type);
     if (wnds.isEmpty) {
-      return;
+      return MultiWindowCallResult(kInvalidWindowId, null);
     }
     for (final windowId in wnds) {
       if (_activeWindows.contains(windowId)) {
-        return await DesktopMultiWindow.invokeMethod(
-            windowId, methodName, args);
+        final res =
+            await DesktopMultiWindow.invokeMethod(windowId, methodName, args);
+        return MultiWindowCallResult(windowId, res);
       }
     }
-    return await DesktopMultiWindow.invokeMethod(wnds[0], methodName, args);
+    final res =
+        await DesktopMultiWindow.invokeMethod(wnds[0], methodName, args);
+    return MultiWindowCallResult(wnds[0], res);
   }
 
   List<int> _findWindowsByType(WindowType type) {