yubioath-flutter/lib/android/qr_scanner/qr_scanner_provider.dart
2023-01-09 17:22:34 +01:00

52 lines
1.7 KiB
Dart

/*
* Copyright (C) 2022 Yubico.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import 'package:flutter/material.dart';
import 'package:yubico_authenticator/app/state.dart';
import 'package:yubico_authenticator/exception/cancellation_exception.dart';
import 'package:yubico_authenticator/theme.dart';
import 'qr_scanner_view.dart';
class AndroidQrScanner implements QrScanner {
final WithContext _withContext;
AndroidQrScanner(this._withContext);
@override
Future<String?> scanQr([String? _]) async {
var scannedCode = await _withContext(
(context) async => await Navigator.of(context).push(PageRouteBuilder(
pageBuilder: (_, __, ___) =>
Theme(data: AppTheme.darkTheme, child: const QrScannerView()),
transitionDuration: const Duration(seconds: 0),
reverseTransitionDuration: const Duration(seconds: 0),
)));
if (scannedCode == null) {
// user has cancelled the scan
throw CancellationException();
}
if (scannedCode == '') {
return null;
}
return scannedCode;
}
}
QrScanner? Function(dynamic) androidQrScannerProvider(hasCamera) {
return (ref) =>
hasCamera ? AndroidQrScanner(ref.watch(withContextProvider)) : null;
}