option to disable autosuggest

app/lib/features/geckoview/features/search/domain/providers/search_suggestions.dart

@@ -3,6 +3,7 @@ import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:weblibre/features/geckoview/features/search/domain/repositories/search_suggestions.dart';
 import 'package:weblibre/features/search/domain/autosuggest/brave.dart';
 import 'package:weblibre/features/search/domain/autosuggest/duckduckgo.dart';
+import 'package:weblibre/features/search/domain/autosuggest/empty.dart';
 import 'package:weblibre/features/search/domain/autosuggest/kagi.dart';
 import 'package:weblibre/features/search/domain/autosuggest/qwant.dart';
 import 'package:weblibre/features/search/domain/entities/abstract/i_search_suggestion_provider.dart';
@@ -19,6 +20,9 @@ ISearchSuggestionProvider defaultSearchSuggestions(Ref ref) {
   );
 
   return switch (provider) {
+    SearchSuggestionProviders.none => ref.watch(
+      emptyAutosuggestServiceProvider.notifier,
+    ),
     SearchSuggestionProviders.brave => ref.watch(
       braveAutosuggestServiceProvider.notifier,
     ),

app/lib/features/geckoview/features/search/domain/providers/search_suggestions.g.dart

@@ -7,7 +7,7 @@ part of 'search_suggestions.dart';
 // **************************************************************************
 
 String _$defaultSearchSuggestionsHash() =>
-    r'e503757071dd29988cd25e360b56a5a646800d5b';
+    r'eb96a5db465422558a26e22abb3f843a82c17452';
 
 /// See also [defaultSearchSuggestions].
 @ProviderFor(defaultSearchSuggestions)

app/lib/features/onboarding/presentation/pages/default_search.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:nullability/nullability.dart';
 import 'package:weblibre/core/routing/routes.dart';
 import 'package:weblibre/features/bangs/domain/providers/bangs.dart';
 import 'package:weblibre/features/search/domain/entities/abstract/i_search_suggestion_provider.dart';
@@ -114,14 +115,18 @@ class DefaultSearchPage extends HookConsumerWidget {
                   ),
                 ),
                 width: double.infinity,
-                leadingIcon: BangIcon(trigger: activeAutosuggest.relatedBang),
+                leadingIcon: activeAutosuggest.relatedBang.mapNotNull(
+                  (trigger) => BangIcon(trigger: trigger),
+                ),
                 dropdownMenuEntries: SearchSuggestionProviders.values.map((
                   provider,
                 ) {
                   return DropdownMenuEntry(
                     value: provider,
                     label: provider.label,
-                    leadingIcon: BangIcon(trigger: provider.relatedBang),
+                    leadingIcon: provider.relatedBang.mapNotNull(
+                      (trigger) => BangIcon(trigger: trigger),
+                    ),
                   );
                 }).toList(),
                 onSelected: (value) async {

app/lib/features/search/domain/autosuggest/duckduckgo.g.dart

@@ -7,7 +7,7 @@ part of 'duckduckgo.dart';
 // **************************************************************************
 
 String _$duckDuckGoAutosuggestServiceHash() =>
-    r'1679e6d9bce7cb380b1ee60c768abe2fddb79478';
+    r'd9f30a577b276049b252be890bc73eb18aa118f2';
 
 /// See also [DuckDuckGoAutosuggestService].
 @ProviderFor(DuckDuckGoAutosuggestService)

app/lib/features/search/domain/autosuggest/empty.dart

@@ -0,0 +1,17 @@
+import 'package:exceptions/exceptions.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:weblibre/features/search/domain/entities/abstract/i_search_suggestion_provider.dart';
+
+part 'empty.g.dart';
+
+@Riverpod(keepAlive: true)
+class EmptyAutosuggestService extends _$EmptyAutosuggestService
+    implements ISearchSuggestionProvider {
+  @override
+  void build() {}
+
+  @override
+  Future<Result<List<String>>> getSuggestions(String query) {
+    return Future.value(Result.success([]));
+  }
+}

app/lib/features/search/domain/autosuggest/empty.g.dart

@@ -0,0 +1,27 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'empty.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$emptyAutosuggestServiceHash() =>
+    r'7fbe81807baf379cf621ef46fba00e46778978f8';
+
+/// See also [EmptyAutosuggestService].
+@ProviderFor(EmptyAutosuggestService)
+final emptyAutosuggestServiceProvider =
+    NotifierProvider<EmptyAutosuggestService, void>.internal(
+      EmptyAutosuggestService.new,
+      name: r'emptyAutosuggestServiceProvider',
+      debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+          ? null
+          : _$emptyAutosuggestServiceHash,
+      dependencies: null,
+      allTransitiveDependencies: null,
+    );
+
+typedef _$EmptyAutosuggestService = Notifier<void>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

app/lib/features/search/domain/entities/abstract/i_search_suggestion_provider.dart

@@ -1,13 +1,14 @@
 import 'package:exceptions/exceptions.dart';
 
 enum SearchSuggestionProviders {
+  none('Disabled', null),
   brave('Brave', 'brave'),
   ddg('DuckDuckGo', 'ddg'),
   kagi('Kagi', 'kagi'),
   qwant('Qwant', 'qwant');
 
   final String label;
-  final String relatedBang;
+  final String? relatedBang;
 
   const SearchSuggestionProviders(this.label, this.relatedBang);
 }

app/lib/features/settings/presentation/screens/general_settings.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_material_design_icons/flutter_material_design_icons.dart';
 import 'package:google_fonts/google_fonts.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:nullability/nullability.dart';
 import 'package:weblibre/features/search/domain/entities/abstract/i_search_suggestion_provider.dart';
 import 'package:weblibre/features/settings/presentation/controllers/save_settings.dart';
 import 'package:weblibre/features/settings/presentation/widgets/bang_icon.dart';
@@ -120,18 +121,19 @@ class GeneralSettingsScreen extends HookConsumerWidget {
                           ),
                         ),
                         width: double.infinity,
-                        leadingIcon: BangIcon(
+                        leadingIcon: generalSettings
-                          trigger: generalSettings
+                            .defaultSearchSuggestionsProvider
-                              .defaultSearchSuggestionsProvider
+                            .relatedBang
-                              .relatedBang,
+                            .mapNotNull(
-                        ),
+                              (trigger) => BangIcon(trigger: trigger),
+                            ),
                         dropdownMenuEntries: SearchSuggestionProviders.values
                             .map((provider) {
                               return DropdownMenuEntry(
                                 value: provider,
                                 label: provider.label,
-                                leadingIcon: BangIcon(
+                                leadingIcon: provider.relatedBang.mapNotNull(
-                                  trigger: provider.relatedBang,
+                                  (trigger) => BangIcon(trigger: trigger),
                                 ),
                               );
                             })

app/lib/features/user/data/models/general_settings.g.dart

@@ -202,6 +202,7 @@ const _$DeleteBrowsingDataTypeEnumMap = {
 };
 
 const _$SearchSuggestionProvidersEnumMap = {
+  SearchSuggestionProviders.none: 'none',
   SearchSuggestionProviders.brave: 'brave',
   SearchSuggestionProviders.ddg: 'ddg',
   SearchSuggestionProviders.kagi: 'kagi',