refact, mobile, privacy mode menu

Signed-off-by: fufesou <shuanglongchen@yeah.net>

flutter/lib/mobile/widgets/dialog.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:flutter_hbb/common/widgets/setting_widgets.dart';
+import 'package:flutter_hbb/common/widgets/toolbar.dart';
 import 'package:get/get.dart';
 
 import '../../common.dart';
@@ -259,6 +260,32 @@ void showServerSettingsWithValue(
   });
 }
 
+void setPrivacyModeDialog(
+  OverlayDialogManager dialogManager,
+  List<TToggleMenu> privacyModeList,
+  RxString privacyModeState,
+) async {
+  dialogManager.dismissAll();
+  dialogManager.show((setState, close, context) {
+    return CustomAlertDialog(
+      title: Text(translate('Privacy mode')),
+      content: Column(
+          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+          children: privacyModeList
+              .map((value) => CheckboxListTile(
+                    contentPadding: EdgeInsets.zero,
+                    visualDensity: VisualDensity.compact,
+                    title: value.child,
+                    value: value.value,
+                    onChanged: (privacyModeState.isEmpty || value.value)
+                        ? value.onChanged
+                        : null,
+                  ))
+              .toList()),
+    );
+  }, backDismiss: true, clickMaskDismiss: true);
+}
+
 Future<String?> validateAsync(String value) async {
   value = value.trim();
   if (value.isEmpty) {