fix: support emptry folder transfer for web (#10151)

Signed-off-by: fufesou <linlong1266@gmail.com>

flutter/lib/models/file_model.dart

@@ -261,6 +261,27 @@ class FileModel {
       debugPrint("Failed to decode onSelectedFiles: $e");
     }
   }
+
+  void sendEmptyDirs(dynamic obj) {
+    late final List<dynamic> emptyDirs;
+    try {
+      emptyDirs = jsonDecode(obj['dirs'] as String);
+    } catch (e) {
+      debugPrint("Failed to decode sendEmptyDirs: $e");
+    }
+    final otherSideData = remoteController.directoryData();
+    final toPath = otherSideData.directory.path;
+    final isPeerWindows = otherSideData.options.isWindows;
+
+    final isLocalWindows = isWindows || isWebOnWindows;
+    for (var dir in emptyDirs) {
+      if (isLocalWindows != isPeerWindows) {
+        dir = PathUtil.convert(dir, isLocalWindows, isPeerWindows);
+      }
+      var peerPath = PathUtil.join(toPath, dir, isPeerWindows);
+      remoteController.createDirWithRemote(peerPath, true);
+    }
+  }
 }
 
 class DirectoryData {
@@ -502,8 +523,9 @@ class FileController {
           "path: ${from.path}, toPath: $toPath, to: ${PathUtil.join(toPath, from.name, isWindows)}");
     }
 
-    if (!isLocal &&
+    if (isWeb ||
-        versionCmp(rootState.target!.ffiModel.pi.version, '1.3.3') < 0) {
+        (!isLocal &&
+            versionCmp(rootState.target!.ffiModel.pi.version, '1.3.3') < 0)) {
       return;
     }
 
@@ -1506,6 +1528,12 @@ class PathUtil {
     return pathUtil.split(path);
   }
 
+  static String convert(String path, bool isMainWindows, bool isOtherWindows) {
+    final mainPathUtil = isMainWindows ? windowsContext : posixContext;
+    final otherPathUtil = isOtherWindows ? windowsContext : posixContext;
+    return otherPathUtil.joinAll(mainPathUtil.split(path));
+  }
+
   static String dirname(String path, bool isWindows) {
     final pathUtil = isWindows ? windowsContext : posixContext;
     return pathUtil.dirname(path);

flutter/lib/models/model.dart

@@ -402,6 +402,10 @@ class FfiModel with ChangeNotifier {
         if (isWeb) {
           parent.target?.fileModel.onSelectedFiles(evt);
         }
+      } else if (name == "send_emptry_dirs") {
+        if (isWeb) {
+          parent.target?.fileModel.sendEmptyDirs(evt);
+        }
       } else if (name == "record_status") {
         if (desktopType == DesktopType.remote || isMobile) {
           parent.target?.recordingModel.updateStatus(evt['start'] == 'true');

flutter/lib/web/bridge.dart

@@ -1801,6 +1801,26 @@ class RustdeskImpl {
     throw UnimplementedError("mainMaxEncryptLen");
   }
 
+  bool mainAudioSupportLoopback({dynamic hint}) {
+    return false;
+  }
+
+  Future<String> sessionReadLocalEmptyDirsRecursiveSync(
+      {required UuidValue sessionId,
+      required String path,
+      required bool includeHidden,
+      dynamic hint}) {
+    throw UnimplementedError("sessionReadLocalEmptyDirsRecursiveSync");
+  }
+
+  Future<void> sessionReadRemoteEmptyDirsRecursiveSync(
+      {required UuidValue sessionId,
+      required String path,
+      required bool includeHidden,
+      dynamic hint}) {
+    throw UnimplementedError("sessionReadRemoteEmptyDirsRecursiveSync");
+  }
+
   Future<void> sessionRenameFile(
       {required UuidValue sessionId,
       required int actId,