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MrbWebLibre/app/lib/features/web_view/presentation/services/readerability_script.dart
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Dart

import 'package:bang_navigator/features/settings/data/models/settings.dart';
import 'package:bang_navigator/features/settings/data/repositories/settings_repository.dart';
import 'package:bang_navigator/features/web_view/domain/providers.dart';
import 'package:flutter_inappwebview/flutter_inappwebview.dart';
import 'package:riverpod_annotation/riverpod_annotation.dart';
part 'readerability_script.g.dart';
@Riverpod()
class ReaderabilityScriptService extends _$ReaderabilityScriptService {
late Future<String> _readerabilityScript;
late bool _enableReadability;
@override
Future<void> build(InAppWebViewController? controller) async {
_readerabilityScript = ref.watch(readerabilityScriptProvider.future);
_enableReadability = ref.watch(
settingsRepositoryProvider.select(
(value) =>
(value.valueOrNull ?? Settings.withDefaults()).enableReadability,
),
);
}
Future<void> _injectScript() async {
if (controller != null) {
await _readerabilityScript
.then((script) => controller!.evaluateJavascript(source: script));
}
}
Future<void> _ensureScriptInjected() async {
if (controller != null) {
final injected = await controller!.evaluateJavascript(
source:
"(typeof window !== 'undefined' && typeof window.isReaderable === 'function')",
) as bool;
if (!injected) {
await _injectScript();
}
}
}
Future<bool> isReaderable() async {
if (_enableReadability) {
await _ensureScriptInjected();
if (controller != null) {
return await controller!.evaluateJavascript(
source: 'isReaderable();',
) as bool;
}
}
return false;
}
Future<void> applyReaderable() async {
if (_enableReadability) {
await _ensureScriptInjected();
if (controller != null) {
await controller!.evaluateJavascript(source: 'applyReaderable();');
}
}
}
}