tab trees

app/lib/features/geckoview/domain/entities/states/tab.dart

@@ -16,6 +16,8 @@ class TabState extends WebPageInfo {
   @CopyWithField(immutable: true)
   final String id;
 
+  final String? parentId;
+
   final String? contextId;
 
   @override
@@ -47,6 +49,7 @@ class TabState extends WebPageInfo {
 
   TabState({
     required this.id,
+    required this.parentId,
     required this.contextId,
     required super.url,
     required String title,
@@ -64,6 +67,7 @@ class TabState extends WebPageInfo {
 
   factory TabState.$default(String tabId) => TabState(
     id: tabId,
+    parentId: null,
     contextId: null,
     url: Uri.parse('about:blank'),
     title: "",
@@ -83,6 +87,7 @@ class TabState extends WebPageInfo {
   List<Object?> get hashParameters => [
     ...super.hashParameters,
     id,
+    parentId,
     contextId,
     icon,
     thumbnail,

app/lib/features/geckoview/domain/entities/states/tab.g.dart

@@ -7,6 +7,8 @@ part of 'tab.dart';
 // **************************************************************************
 
 abstract class _$TabStateCWProxy {
+  TabState parentId(String? parentId);
+
   TabState contextId(String? contextId);
 
   TabState url(Uri url);
@@ -40,6 +42,7 @@ abstract class _$TabStateCWProxy {
   /// TabState(...).copyWith(id: 12, name: "My name")
   /// ````
   TabState call({
+    String? parentId,
     String? contextId,
     Uri url,
     String title,
@@ -62,6 +65,9 @@ class _$TabStateCWProxyImpl implements _$TabStateCWProxy {
 
   final TabState _value;
 
+  @override
+  TabState parentId(String? parentId) => this(parentId: parentId);
+
   @override
   TabState contextId(String? contextId) => this(contextId: contextId);
 
@@ -113,6 +119,7 @@ class _$TabStateCWProxyImpl implements _$TabStateCWProxy {
   /// TabState(...).copyWith(id: 12, name: "My name")
   /// ````
   TabState call({
+    Object? parentId = const $CopyWithPlaceholder(),
     Object? contextId = const $CopyWithPlaceholder(),
     Object? url = const $CopyWithPlaceholder(),
     Object? title = const $CopyWithPlaceholder(),
@@ -129,6 +136,10 @@ class _$TabStateCWProxyImpl implements _$TabStateCWProxy {
   }) {
     return TabState(
       id: _value.id,
+      parentId: parentId == const $CopyWithPlaceholder()
+          ? _value.parentId
+          // ignore: cast_nullable_to_non_nullable
+          : parentId as String?,
       contextId: contextId == const $CopyWithPlaceholder()
           ? _value.contextId
           // ignore: cast_nullable_to_non_nullable