apply content blocking

app/lib/features/web_view/domain/providers.dart

@@ -0,0 +1,26 @@
+import 'package:bang_navigator/features/content_block/domain/repositories/host.dart';
+import 'package:bang_navigator/features/settings/data/repositories/settings_repository.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'providers.g.dart';
+
+@Riverpod(keepAlive: true)
+Stream<Set<String>?> blockContentHosts(BlockContentHostsRef ref) {
+  final hostRepository = ref.watch(hostRepositoryProvider.notifier);
+  final enableContentBlocking = ref.watch(
+    settingsRepositoryProvider
+        .select((value) => value.valueOrNull?.enableContentBlocking ?? false),
+  );
+  final enableHostList = ref.watch(
+    settingsRepositoryProvider
+        .select((value) => value.valueOrNull?.enableHostList ?? {}),
+  );
+
+  if (!enableContentBlocking || enableHostList.isEmpty) {
+    return Stream.value(null);
+  }
+
+  return hostRepository
+      .watchHosts(sources: enableHostList)
+      .map((hosts) => hosts.toSet());
+}

app/lib/features/web_view/domain/providers.g.dart

@@ -0,0 +1,25 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'providers.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$blockContentHostsHash() => r'27e7902adda8d8d3b6d29fdc43c5d7ad5c3a8e9a';
+
+/// See also [blockContentHosts].
+@ProviderFor(blockContentHosts)
+final blockContentHostsProvider = StreamProvider<Set<String>?>.internal(
+  blockContentHosts,
+  name: r'blockContentHostsProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$blockContentHostsHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef BlockContentHostsRef = StreamProviderRef<Set<String>?>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member