mirror of
https://github.com/cake-tech/cake_wallet.git
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WIP: CW-665 Implement AirGapped Monero Transactions (#1535)
* replace qr scanner with fast_scanner * bump java version * fix qr code scanning * add flashlight and camera switch * airgap work * commitTransactionUR * bump fast_scanner, fix configure script * add option to restore wallet from NERO qr format * fixes to the flow and logic use gsed or otherwise it fails? * remove Expanded() to fix URQR on release builds * cache key to allow app updates * rename cache key * [skip ci] cache key.jks in cache_dependencies * update fast_scanner to work on ios, with light mlkit dependency * ui fixes * error handling fix * update fast_scanner to drop iOS dependency * changes from review * Update lib/entities/qr_scanner.dart * changes from review * remove useless commit * don't set state multiple times remove return Container() for non monero wallets * return on fail don't handle empty qr codes * set node as trusted display primary address in seed screen * fix wow and haven * migrate node to trusted * - update trusted node for existing users - update locales - fix conflicts - move menu item --------- Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>
This commit is contained in:
cyan
GitHub
parent
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84 changed files with 1318 additions and 141 deletions
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@ -1,15 +1,376 @@
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import 'package:barcode_scan2/barcode_scan2.dart';
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import 'dart:math';
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import 'package:cake_wallet/generated/i18n.dart';
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import 'package:cake_wallet/main.dart';
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import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
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import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
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import 'package:cake_wallet/utils/show_pop_up.dart';
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import 'package:fast_scanner/fast_scanner.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/scheduler.dart';
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var isQrScannerShown = false;
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Future<String> presentQRScanner() async {
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Future<String> presentQRScanner(BuildContext context) async {
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isQrScannerShown = true;
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try {
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final result = await BarcodeScanner.scan();
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final result = await Navigator.of(context).push<String>(
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MaterialPageRoute(
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builder:(context) {
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return BarcodeScannerSimple();
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},
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),
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);
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isQrScannerShown = false;
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return result.rawContent.trim();
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return result??'';
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} catch (e) {
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isQrScannerShown = false;
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rethrow;
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}
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}
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// https://github.com/MrCyjaneK/fast_scanner/blob/master/example/lib/barcode_scanner_simple.dart
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class BarcodeScannerSimple extends StatefulWidget {
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const BarcodeScannerSimple({super.key});
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@override
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State<BarcodeScannerSimple> createState() => _BarcodeScannerSimpleState();
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}
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class _BarcodeScannerSimpleState extends State<BarcodeScannerSimple> {
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Barcode? _barcode;
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bool popped = false;
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List<String> urCodes = [];
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late var ur = URQRToURQRData(urCodes);
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void _handleBarcode(BarcodeCapture barcodes) {
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try {
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_handleBarcodeInternal(barcodes);
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} catch (e) {
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showPopUp<void>(
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context: context,
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builder: (context) {
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return AlertWithOneAction(
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alertTitle: S.of(context).error,
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alertContent: S.of(context).error_dialog_content,
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buttonText: 'ok',
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buttonAction: () {
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Navigator.of(context).pop();
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},
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);
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},
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);
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print(e);
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}
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}
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void _handleBarcodeInternal(BarcodeCapture barcodes) {
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for (final barcode in barcodes.barcodes) {
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// don't handle unknown QR codes
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if (barcode.rawValue?.trim().isEmpty??false == false) continue;
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if (barcode.rawValue!.startsWith("ur:")) {
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if (urCodes.contains(barcode.rawValue)) continue;
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setState(() {
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urCodes.add(barcode.rawValue!);
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ur = URQRToURQRData(urCodes);
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});
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if (ur.progress == 1) {
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setState(() {
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popped = true;
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});
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SchedulerBinding.instance.addPostFrameCallback((_) {
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Navigator.of(context).pop(ur.inputs.join("\n"));
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});
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};
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}
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}
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if (urCodes.isNotEmpty) return;
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if (mounted) {
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setState(() {
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_barcode = barcodes.barcodes.firstOrNull;
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});
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if (_barcode != null && popped != true) {
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setState(() {
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popped = true;
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});
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SchedulerBinding.instance.addPostFrameCallback((_) {
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Navigator.of(context).pop(_barcode?.rawValue ?? "");
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});
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}
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}
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}
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final MobileScannerController ctrl = MobileScannerController();
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Scan'),
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actions: [
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SwitchCameraButton(controller: ctrl),
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ToggleFlashlightButton(controller: ctrl),
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],
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),
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backgroundColor: Colors.black,
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body: Stack(
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children: [
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MobileScanner(
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onDetect: _handleBarcode,
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controller: ctrl,
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),
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if (ur.inputs.length != 0)
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Center(child:
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Text(
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"${ur.inputs.length}/${ur.count}",
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style: Theme.of(context).textTheme.displayLarge?.copyWith(color: Colors.white)
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),
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),
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SizedBox(
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child: Center(
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child: SizedBox(
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width: 250,
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height: 250,
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child: CustomPaint(
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painter: ProgressPainter(
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urQrProgress: URQrProgress(
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expectedPartCount: ur.count - 1,
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processedPartsCount: ur.inputs.length,
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receivedPartIndexes: _urParts(),
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percentage: ur.progress,
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),
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),
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),
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),
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),
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),
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],
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),
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);
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}
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List<int> _urParts() {
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List<int> l = [];
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for (var inp in ur.inputs) {
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try {
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l.add(int.parse(inp.split("/")[1].split("-")[0]));
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} catch (e) {}
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}
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return l;
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}
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}
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class ToggleFlashlightButton extends StatelessWidget {
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const ToggleFlashlightButton({required this.controller, super.key});
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final MobileScannerController controller;
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@override
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Widget build(BuildContext context) {
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return ValueListenableBuilder(
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valueListenable: controller,
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builder: (context, state, child) {
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if (!state.isInitialized || !state.isRunning) {
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return const SizedBox.shrink();
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}
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switch (state.torchState) {
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case TorchState.auto:
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return IconButton(
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iconSize: 32.0,
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icon: const Icon(Icons.flash_auto),
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onPressed: () async {
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await controller.toggleTorch();
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},
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);
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case TorchState.off:
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return IconButton(
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iconSize: 32.0,
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icon: const Icon(Icons.flash_off),
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onPressed: () async {
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await controller.toggleTorch();
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},
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);
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case TorchState.on:
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return IconButton(
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iconSize: 32.0,
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icon: const Icon(Icons.flash_on),
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onPressed: () async {
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await controller.toggleTorch();
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},
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);
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case TorchState.unavailable:
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return const Icon(
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Icons.no_flash,
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color: Colors.grey,
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);
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}
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},
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);
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}
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}
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class SwitchCameraButton extends StatelessWidget {
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const SwitchCameraButton({required this.controller, super.key});
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final MobileScannerController controller;
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@override
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Widget build(BuildContext context) {
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return ValueListenableBuilder(
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valueListenable: controller,
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builder: (context, state, child) {
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if (!state.isInitialized || !state.isRunning) {
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return const SizedBox.shrink();
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}
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final int? availableCameras = state.availableCameras;
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if (availableCameras != null && availableCameras < 2) {
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return const SizedBox.shrink();
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}
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final Widget icon;
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switch (state.cameraDirection) {
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case CameraFacing.front:
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icon = const Icon(Icons.camera_front);
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case CameraFacing.back:
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icon = const Icon(Icons.camera_rear);
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}
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return IconButton(
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iconSize: 32.0,
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icon: icon,
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onPressed: () async {
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await controller.switchCamera();
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},
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);
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},
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);
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}
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}
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class URQRData {
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URQRData(
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{required this.tag,
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required this.str,
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required this.progress,
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required this.count,
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required this.error,
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required this.inputs});
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final String tag;
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final String str;
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final double progress;
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final int count;
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final String error;
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final List<String> inputs;
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Map<String, dynamic> toJson() {
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return {
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"tag": tag,
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"str": str,
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"progress": progress,
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"count": count,
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"error": error,
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"inputs": inputs,
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};
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}
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}
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URQRData URQRToURQRData(List<String> urqr_) {
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final urqr = urqr_.toSet().toList();
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urqr.sort((s1, s2) {
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final s1s = s1.split("/");
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final s1frameStr = s1s[1].split("-");
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final s1curFrame = int.parse(s1frameStr[0]);
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final s2s = s2.split("/");
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final s2frameStr = s2s[1].split("-");
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final s2curFrame = int.parse(s2frameStr[0]);
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return s1curFrame - s2curFrame;
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});
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String tag = '';
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int count = 0;
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String bw = '';
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for (var elm in urqr) {
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final s = elm.substring(elm.indexOf(":") + 1); // strip down ur: prefix
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final s2 = s.split("/");
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tag = s2[0];
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final frameStr = s2[1].split("-");
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// final curFrame = int.parse(frameStr[0]);
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count = int.parse(frameStr[1]);
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final byteWords = s2[2];
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bw += byteWords;
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}
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String? error;
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return URQRData(
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tag: tag,
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str: bw,
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progress: count == 0 ? 0 : (urqr.length / count),
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count: count,
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error: error ?? "",
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inputs: urqr,
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);
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}
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class ProgressPainter extends CustomPainter {
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final URQrProgress urQrProgress;
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ProgressPainter({required this.urQrProgress});
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@override
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void paint(Canvas canvas, Size size) {
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final c = Offset(size.width / 2.0, size.height / 2.0);
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final radius = size.width * 0.9;
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final rect = Rect.fromCenter(center: c, width: radius, height: radius);
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const fullAngle = 360.0;
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var startAngle = 0.0;
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for (int i = 0; i < urQrProgress.expectedPartCount.toInt(); i++) {
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var sweepAngle =
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(1 / urQrProgress.expectedPartCount) * fullAngle * pi / 180.0;
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drawSector(canvas, urQrProgress.receivedPartIndexes.contains(i), rect,
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startAngle, sweepAngle);
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startAngle += sweepAngle;
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}
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}
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void drawSector(Canvas canvas, bool isActive, Rect rect, double startAngle,
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double sweepAngle) {
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final paint = Paint()
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..style = PaintingStyle.stroke
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..strokeWidth = 8
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..strokeCap = StrokeCap.round
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..strokeJoin = StrokeJoin.round
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..color = isActive ? const Color(0xffff6600) : Colors.white70;
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canvas.drawArc(rect, startAngle, sweepAngle, false, paint);
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}
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@override
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bool shouldRepaint(covariant ProgressPainter oldDelegate) {
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return urQrProgress != oldDelegate.urQrProgress;
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}
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}
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class URQrProgress {
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int expectedPartCount;
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int processedPartsCount;
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List<int> receivedPartIndexes;
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double percentage;
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URQrProgress({
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required this.expectedPartCount,
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required this.processedPartsCount,
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required this.receivedPartIndexes,
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required this.percentage,
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});
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bool equals(URQrProgress? progress) {
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if (progress == null) {
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return false;
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}
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return processedPartsCount == progress.processedPartsCount;
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}
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}
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