mirror of
https://github.com/Yubico/yubioath-flutter.git
synced 2024-12-23 18:22:39 +03:00
95 lines
2.9 KiB
Dart
95 lines
2.9 KiB
Dart
import 'dart:convert';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/gestures.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter/services.dart';
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class QRScannerZxingView extends StatefulWidget {
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final int marginPct;
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final Function(String rawData) onDetect;
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final Function(bool permissionsGranted) onViewInitialized;
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const QRScannerZxingView(
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{Key? key,
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required this.marginPct,
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required this.onDetect,
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required this.onViewInitialized})
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: super(key: key);
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@override
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QRScannerZxingViewState createState() => QRScannerZxingViewState();
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}
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class QRScannerZxingViewState extends State<QRScannerZxingView> {
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final MethodChannel channel = const MethodChannel(
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"com.yubico.authenticator.flutter_plugins.qr_scanner_channel");
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QRScannerZxingViewState() : super() {
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channel.setMethodCallHandler((call) async {
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try {
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switch (call.method) {
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case "codeFound":
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var arguments = jsonDecode(call.arguments);
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var rawValue = arguments["value"];
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widget.onDetect(rawValue);
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return;
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case "viewInitialized":
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var arguments = jsonDecode(call.arguments);
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var permissionsGranted = arguments["permissionsGranted"];
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widget.onViewInitialized(permissionsGranted);
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return;
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}
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} catch (e) {
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if (kDebugMode) {
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debugPrint("Exception in onDetect: $e}");
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}
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}
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});
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}
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void requestPermissions() {
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debugPrint("Permissions requested");
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channel.invokeMethod("requestCameraPermissions", null);
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}
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@override
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void dispose() {
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super.dispose();
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channel.setMethodCallHandler(null);
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}
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@override
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Widget build(BuildContext context) {
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const String viewType = 'qrScannerNativeView';
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Map<String, dynamic> creationParams = <String, dynamic>{
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"margin": widget.marginPct
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};
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return PlatformViewLink(
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viewType: viewType,
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surfaceFactory:
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(BuildContext context, PlatformViewController controller) {
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return AndroidViewSurface(
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controller: controller as AndroidViewController,
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gestureRecognizers: const <Factory<OneSequenceGestureRecognizer>>{},
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hitTestBehavior: PlatformViewHitTestBehavior.opaque,
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);
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},
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onCreatePlatformView: (PlatformViewCreationParams params) {
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return PlatformViewsService.initExpensiveAndroidView(
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id: params.id,
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viewType: viewType,
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layoutDirection: TextDirection.ltr,
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creationParams: creationParams,
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creationParamsCodec: const StandardMessageCodec(),
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onFocus: () {
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params.onFocusChanged(true);
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},
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)
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..addOnPlatformViewCreatedListener(params.onPlatformViewCreated)
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..create();
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});
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}
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}
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