93 lines
2.9 KiB
Dart
93 lines
2.9 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:google_mobile_ads/google_mobile_ads.dart';
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import 'package:url_launcher/url_launcher.dart';
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/// GdprButton lets the user review or change their ad consent choices.
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///
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/// When tapped, it tries to show Google's UMP consent form so the user
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/// can adjust their preferences (personalized vs non-personalized ads).
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/// If the form isn't available (e.g. user is outside the EEA), it falls
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/// back to opening the privacy policy instead.
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class GdprButton extends StatelessWidget {
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const GdprButton({super.key});
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Future<void> _showConsentForm() async {
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try {
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// If the form is already available, show it directly — no need to
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// re-request consent info from Google's servers on every tap.
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if (await ConsentInformation.instance.isConsentFormAvailable()) {
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await _loadAndShowForm();
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return;
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}
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// Form not available — refresh consent info first, then try again.
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final completer = Completer<void>();
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ConsentInformation.instance.requestConsentInfoUpdate(
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ConsentRequestParameters(),
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() async {
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if (await ConsentInformation.instance.isConsentFormAvailable()) {
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await _loadAndShowForm();
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}
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completer.complete();
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},
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(FormError error) {
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debugPrint('[GDPR] Consent update error: ${error.message}');
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_fallbackToPrivacyPolicy();
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completer.complete();
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},
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);
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await completer.future.timeout(
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const Duration(seconds: 10),
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onTimeout: _fallbackToPrivacyPolicy,
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);
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} catch (e) {
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debugPrint('[GDPR] Error: $e');
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_fallbackToPrivacyPolicy();
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}
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}
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Future<void> _loadAndShowForm() async {
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final completer = Completer<void>();
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ConsentForm.loadConsentForm(
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(ConsentForm form) {
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form.show((FormError? dismissError) {
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if (dismissError != null) {
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debugPrint('[GDPR] Form dismissed with error: ${dismissError.message}');
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}
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completer.complete();
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});
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},
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(FormError loadError) {
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debugPrint('[GDPR] Form load error: ${loadError.message}');
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_fallbackToPrivacyPolicy();
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completer.complete();
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},
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);
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await completer.future.timeout(
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const Duration(seconds: 120),
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onTimeout: _fallbackToPrivacyPolicy,
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);
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}
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void _fallbackToPrivacyPolicy() async {
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final Uri url = Uri.parse(
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'https://github.com/esefxdz/PaladinVPN/blob/main/PRIVACY_POLICY.md',
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);
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if (!await launchUrl(url, mode: LaunchMode.externalApplication)) {
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debugPrint('Could not launch $url');
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}
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}
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@override
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Widget build(BuildContext context) {
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return IconButton(
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icon: const Icon(Icons.admin_panel_settings_outlined,
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color: Colors.white, size: 28),
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onPressed: _showConsentForm,
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tooltip: 'Ad consent & privacy choices',
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splashRadius: 24,
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);
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}
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}
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