mirror of
https://github.com/cypherstack/stack_wallet.git
synced 2025-03-20 22:28:48 +00:00
refactor QrCodeScannerDialog into its own widget, use thru Frost process
This commit is contained in:
sneurlax
parent
2145334152
commit
16a2b23dde
4 changed files with 505 additions and 446 deletions
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@ -1,4 +1,5 @@
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import 'dart:async';
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import 'dart:async';
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import 'dart:io';
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import 'package:barcode_scan2/barcode_scan2.dart';
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import 'package:barcode_scan2/barcode_scan2.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/material.dart';
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@ -32,6 +33,7 @@ import '../../../../widgets/custom_buttons/app_bar_icon_button.dart';
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import '../../../../widgets/desktop/desktop_app_bar.dart';
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import '../../../../widgets/desktop/desktop_app_bar.dart';
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import '../../../../widgets/desktop/desktop_scaffold.dart';
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import '../../../../widgets/desktop/desktop_scaffold.dart';
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import '../../../../widgets/desktop/primary_button.dart';
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import '../../../../widgets/desktop/primary_button.dart';
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import '../../../../widgets/desktop/qr_code_scanner_dialog.dart';
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import '../../../../widgets/frost_mascot.dart';
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import '../../../../widgets/frost_mascot.dart';
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import '../../../../widgets/icon_widgets/clipboard_icon.dart';
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import '../../../../widgets/icon_widgets/clipboard_icon.dart';
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import '../../../../widgets/icon_widgets/qrcode_icon.dart';
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import '../../../../widgets/icon_widgets/qrcode_icon.dart';
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@ -207,6 +209,54 @@ class _RestoreFrostMsWalletViewState
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super.dispose();
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super.dispose();
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}
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}
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Future<void> scanQr() async {
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try {
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if (Platform.isAndroid || Platform.isIOS) {
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if (FocusScope.of(context).hasFocus) {
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FocusScope.of(context).unfocus();
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await Future<void>.delayed(
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const Duration(milliseconds: 75),
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);
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}
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final qrResult = await BarcodeScanner.scan();
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configFieldController.text = qrResult.rawContent;
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setState(() {
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_configEmpty = configFieldController.text.isEmpty;
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});
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} else {
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// Platform.isLinux, Platform.isWindows, or Platform.isMacOS.
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await showDialog(
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context: context,
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builder: (context) {
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return QrCodeScannerDialog(
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onQrCodeDetected: (qrCodeData) {
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try {
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// TODO [prio=low]: Validate QR code data.
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configFieldController.text = qrCodeData;
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setState(() {
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_configEmpty = configFieldController.text.isEmpty;
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});
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} catch (e, s) {
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Logging.instance.log("Error processing QR code data: $e\n$s",
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level: LogLevel.Error);
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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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} on PlatformException catch (e, s) {
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Logging.instance.log(
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"Failed to get camera permissions while trying to scan qr code: $e\n$s",
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level: LogLevel.Warning,
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);
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}
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}
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@override
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@override
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Widget build(BuildContext context) {
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Widget build(BuildContext context) {
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return ConditionalParent(
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return ConditionalParent(
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@ -351,31 +401,7 @@ class _RestoreFrostMsWalletViewState
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semanticsLabel:
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semanticsLabel:
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"Scan QR Button. Opens Camera For Scanning QR Code.",
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"Scan QR Button. Opens Camera For Scanning QR Code.",
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key: const Key("frConfigScanQrButtonKey"),
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key: const Key("frConfigScanQrButtonKey"),
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onTap: () async {
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onTap: scanQr,
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try {
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if (FocusScope.of(context).hasFocus) {
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FocusScope.of(context).unfocus();
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await Future<void>.delayed(
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const Duration(milliseconds: 75),
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);
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}
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final qrResult = await BarcodeScanner.scan();
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configFieldController.text =
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qrResult.rawContent;
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setState(() {
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_configEmpty =
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configFieldController.text.isEmpty;
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});
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} on PlatformException catch (e, s) {
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Logging.instance.log(
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"Failed to get camera permissions while trying to scan qr code: $e\n$s",
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level: LogLevel.Warning,
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);
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}
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},
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child: const QrCodeIcon(),
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child: const QrCodeIcon(),
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),
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),
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],
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],
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@ -9,26 +9,14 @@
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*/
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*/
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import 'dart:async';
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import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:camera_linux/camera_linux.dart';
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import 'package:camera_macos/camera_macos_arguments.dart';
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import 'package:camera_macos/camera_macos_controller.dart';
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import 'package:camera_macos/camera_macos_device.dart';
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import 'package:camera_macos/camera_macos_platform_interface.dart';
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import 'package:camera_platform_interface/camera_platform_interface.dart';
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import 'package:camera_windows/camera_windows.dart';
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import 'package:cw_core/monero_transaction_priority.dart';
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import 'package:cw_core/monero_transaction_priority.dart';
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import 'package:decimal/decimal.dart';
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import 'package:decimal/decimal.dart';
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import 'package:dropdown_button2/dropdown_button2.dart';
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import 'package:dropdown_button2/dropdown_button2.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:flutter_svg/flutter_svg.dart';
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import 'package:flutter_svg/flutter_svg.dart';
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import 'package:image/image.dart' as img;
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import 'package:zxing2/qrcode.dart';
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import '../../../../models/isar/models/contact_entry.dart';
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import '../../../../models/isar/models/contact_entry.dart';
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import '../../../../models/paynym/paynym_account_lite.dart';
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import '../../../../models/paynym/paynym_account_lite.dart';
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@ -71,6 +59,7 @@ import '../../../../widgets/desktop/desktop_dialog.dart';
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import '../../../../widgets/desktop/desktop_dialog_close_button.dart';
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import '../../../../widgets/desktop/desktop_dialog_close_button.dart';
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import '../../../../widgets/desktop/desktop_fee_dialog.dart';
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import '../../../../widgets/desktop/desktop_fee_dialog.dart';
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import '../../../../widgets/desktop/primary_button.dart';
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import '../../../../widgets/desktop/primary_button.dart';
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import '../../../../widgets/desktop/qr_code_scanner_dialog.dart';
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import '../../../../widgets/desktop/secondary_button.dart';
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import '../../../../widgets/desktop/secondary_button.dart';
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import '../../../../widgets/dialogs/firo_exchange_address_dialog.dart';
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import '../../../../widgets/dialogs/firo_exchange_address_dialog.dart';
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import '../../../../widgets/fee_slider.dart';
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import '../../../../widgets/fee_slider.dart';
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@ -79,7 +68,6 @@ import '../../../../widgets/icon_widgets/clipboard_icon.dart';
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import '../../../../widgets/icon_widgets/qrcode_icon.dart';
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import '../../../../widgets/icon_widgets/qrcode_icon.dart';
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import '../../../../widgets/icon_widgets/x_icon.dart';
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import '../../../../widgets/icon_widgets/x_icon.dart';
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import '../../../../widgets/rounded_container.dart';
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import '../../../../widgets/rounded_container.dart';
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import '../../../../widgets/stack_dialog.dart';
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import '../../../../widgets/stack_text_field.dart';
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import '../../../../widgets/stack_text_field.dart';
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import '../../../../widgets/textfield_icon_button.dart';
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import '../../../../widgets/textfield_icon_button.dart';
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import '../../../coin_control/desktop_coin_control_use_dialog.dart';
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import '../../../coin_control/desktop_coin_control_use_dialog.dart';
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@ -160,7 +148,6 @@ class _DesktopSendState extends ConsumerState<DesktopSend> {
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context: context,
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context: context,
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builder: (context) {
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builder: (context) {
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return QrCodeScannerDialog(
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return QrCodeScannerDialog(
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walletId: widget.walletId,
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onQrCodeDetected: (qrCodeData) {
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onQrCodeDetected: (qrCodeData) {
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try {
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try {
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_processQrCodeData(qrCodeData);
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_processQrCodeData(qrCodeData);
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@ -1968,389 +1955,3 @@ String formatAddress(String epicAddress) {
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}
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}
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return epicAddress;
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return epicAddress;
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}
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}
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class QrCodeScannerDialog extends StatefulWidget {
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final String walletId;
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final Function(String) onQrCodeDetected;
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QrCodeScannerDialog({
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required this.walletId,
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required this.onQrCodeDetected,
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});
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@override
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_QrCodeScannerDialogState createState() => _QrCodeScannerDialogState();
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}
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class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
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final CameraLinux? _cameraLinuxPlugin =
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Platform.isLinux ? CameraLinux() : null;
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final CameraWindows? _cameraWindowsPlugin =
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Platform.isWindows ? CameraWindows() : null;
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CameraMacOSController? _macOSController;
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bool _isCameraOpen = false;
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Image? _image;
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bool _isScanning = false;
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int _cameraId = -1;
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String? _macOSDeviceId;
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int _imageDelayInMs = 250;
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@override
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void initState() {
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super.initState();
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_isCameraOpen = false;
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_isScanning = false;
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_initializeCamera();
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}
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@override
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void dispose() {
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_stopCamera();
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super.dispose();
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}
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Future<void> _initializeCamera() async {
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try {
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setState(() {
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_isScanning = true; // Show the progress indicator
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});
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if (Platform.isLinux && _cameraLinuxPlugin != null) {
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await _cameraLinuxPlugin!.initializeCamera();
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Logging.instance.log("Linux Camera initialized", level: LogLevel.Info);
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} else if (Platform.isWindows && _cameraWindowsPlugin != null) {
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final List<CameraDescription> cameras =
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await _cameraWindowsPlugin!.availableCameras();
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if (cameras.isEmpty) {
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throw CameraException('No cameras available', 'No cameras found.');
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}
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final CameraDescription camera = cameras[0]; // Could be user-selected.
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_cameraId = await _cameraWindowsPlugin!.createCameraWithSettings(
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camera,
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const MediaSettings(
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resolutionPreset: ResolutionPreset.low,
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fps: 4,
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videoBitrate: 200000,
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enableAudio: false,
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),
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);
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await _cameraWindowsPlugin!.initializeCamera(_cameraId);
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// await _cameraWindowsPlugin!.onCameraInitialized(_cameraId).first;
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// TODO [prio=low]: Make this work. ^^^
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Logging.instance.log("Windows Camera initialized with ID: $_cameraId",
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level: LogLevel.Info);
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} else if (Platform.isMacOS) {
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final List<CameraMacOSDevice> videoDevices = await CameraMacOS.instance
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.listDevices(deviceType: CameraMacOSDeviceType.video);
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if (videoDevices.isEmpty) {
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throw Exception('No cameras available');
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}
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_macOSDeviceId = videoDevices.first.deviceId;
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await CameraMacOS.instance
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.initialize(cameraMacOSMode: CameraMacOSMode.photo);
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setState(() {
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_isCameraOpen = true;
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});
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Logging.instance.log(
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"macOS Camera initialized with ID: $_macOSDeviceId",
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level: LogLevel.Info);
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}
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if (mounted) {
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setState(() {
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_isCameraOpen = true;
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_isScanning = true;
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});
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}
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unawaited(_captureAndScanImage()); // Could be awaited.
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} catch (e, s) {
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Logging.instance
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.log("Failed to initialize camera: $e\n$s", level: LogLevel.Error);
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if (mounted) {
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// widget.onSnackbar("Failed to initialize camera. Please try again.");
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setState(() {
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_isScanning = false;
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});
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}
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}
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}
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Future<void> _stopCamera() async {
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try {
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if (Platform.isLinux && _cameraLinuxPlugin != null) {
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_cameraLinuxPlugin!.stopCamera();
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Logging.instance.log("Linux Camera stopped", level: LogLevel.Info);
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} else if (Platform.isWindows && _cameraWindowsPlugin != null) {
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// if (_cameraId >= 0) {
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await _cameraWindowsPlugin!.dispose(_cameraId);
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Logging.instance.log("Windows Camera stopped with ID: $_cameraId",
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level: LogLevel.Info);
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// } else {
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// Logging.instance.log("Windows Camera ID is null. Cannot dispose.",
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// level: LogLevel.Error);
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// }
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} else if (Platform.isMacOS) {
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// if (_macOSDeviceId != null) {
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await CameraMacOS.instance.stopImageStream();
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Logging.instance.log("macOS Camera stopped with ID: $_macOSDeviceId",
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level: LogLevel.Info);
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// } else {
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// Logging.instance.log("macOS Camera ID is null. Cannot stop.",
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// level: LogLevel.Error);
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// }
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}
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} catch (e, s) {
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Logging.instance
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.log("Failed to stop camera: $e\n$s", level: LogLevel.Error);
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} finally {
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if (mounted) {
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setState(() {
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_isScanning = false;
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_isCameraOpen = false;
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});
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}
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}
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}
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Future<void> _captureAndScanImage() async {
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while (_isCameraOpen && _isScanning) {
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try {
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String? base64Image;
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if (Platform.isLinux && _cameraLinuxPlugin != null) {
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base64Image = await _cameraLinuxPlugin!.captureImage();
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} else if (Platform.isWindows) {
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final XFile xfile =
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await _cameraWindowsPlugin!.takePicture(_cameraId);
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final bytes = await xfile.readAsBytes();
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base64Image = base64Encode(bytes);
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// We could use a Uint8List to optimize for Windows and macOS.
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} else if (Platform.isMacOS) {
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final macOSimg = await CameraMacOS.instance.takePicture();
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if (macOSimg == null) {
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Logging.instance
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.log("Failed to capture image", level: LogLevel.Error);
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await Future.delayed(Duration(milliseconds: _imageDelayInMs));
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continue;
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}
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final img.Image? image = img.decodeImage(macOSimg.bytes!);
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if (image == null) {
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Logging.instance
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.log("Failed to capture image", level: LogLevel.Error);
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await Future.delayed(Duration(milliseconds: _imageDelayInMs));
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continue;
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}
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base64Image = base64Encode(Uint8List.fromList(img.encodePng(image)));
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}
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if (base64Image == null || base64Image.isEmpty) {
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// Logging.instance
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// .log("Failed to capture image", level: LogLevel.Error);
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// Spammy.
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await Future.delayed(Duration(milliseconds: _imageDelayInMs));
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continue;
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}
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final img.Image? image = img.decodeImage(base64Decode(base64Image));
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// TODO [prio=low]: Optimize this process. Docs say:
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||||||
// > WARNING Since this will check the image data against all known
|
|
||||||
// > decoders, it is much slower than using an explicit decoder
|
|
||||||
if (image == null) {
|
|
||||||
Logging.instance.log("Failed to decode image", level: LogLevel.Error);
|
|
||||||
await Future.delayed(Duration(milliseconds: _imageDelayInMs));
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (mounted) {
|
|
||||||
setState(() {
|
|
||||||
_image = Image.memory(
|
|
||||||
base64Decode(base64Image!),
|
|
||||||
fit: BoxFit.cover,
|
|
||||||
);
|
|
||||||
});
|
|
||||||
}
|
|
||||||
|
|
||||||
final String? scanResult = await _scanImage(image);
|
|
||||||
if (scanResult != null && scanResult.isNotEmpty) {
|
|
||||||
widget.onQrCodeDetected(scanResult);
|
|
||||||
if (mounted) {
|
|
||||||
Navigator.of(context).pop();
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
} else {
|
|
||||||
// Logging.instance.log("No QR code found in the image", level: LogLevel.Info);
|
|
||||||
// if (mounted) {
|
|
||||||
// widget.onSnackbar("No QR code found in the image.");
|
|
||||||
// }
|
|
||||||
// Spammy.
|
|
||||||
}
|
|
||||||
|
|
||||||
await Future.delayed(Duration(milliseconds: _imageDelayInMs));
|
|
||||||
} catch (e, s) {
|
|
||||||
// Logging.instance.log("Failed to capture and scan image: $e\n$s", level: LogLevel.Error);
|
|
||||||
// Spammy.
|
|
||||||
|
|
||||||
// if (mounted) {
|
|
||||||
// widget.onSnackbar(
|
|
||||||
// "Error capturing or scanning the image. Please try again.");
|
|
||||||
// }
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
Future<String?> _scanImage(img.Image image) async {
|
|
||||||
try {
|
|
||||||
final LuminanceSource source = RGBLuminanceSource(
|
|
||||||
image.width,
|
|
||||||
image.height,
|
|
||||||
image
|
|
||||||
.convert(numChannels: 4)
|
|
||||||
.getBytes(order: img.ChannelOrder.abgr)
|
|
||||||
.buffer
|
|
||||||
.asInt32List(),
|
|
||||||
);
|
|
||||||
final BinaryBitmap bitmap =
|
|
||||||
BinaryBitmap(GlobalHistogramBinarizer(source));
|
|
||||||
|
|
||||||
final QRCodeReader reader = QRCodeReader();
|
|
||||||
final qrDecode = reader.decode(bitmap);
|
|
||||||
if (qrDecode.text.isEmpty) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
return qrDecode.text;
|
|
||||||
} catch (e, s) {
|
|
||||||
// Logging.instance.log("Failed to decode QR code: $e\n$s", level: LogLevel.Error);
|
|
||||||
// Spammy.
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@override
|
|
||||||
Widget build(BuildContext context) {
|
|
||||||
return DesktopDialog(
|
|
||||||
maxWidth: 696,
|
|
||||||
maxHeight: 600,
|
|
||||||
child: Column(
|
|
||||||
mainAxisSize: MainAxisSize.min,
|
|
||||||
children: [
|
|
||||||
Row(
|
|
||||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
|
||||||
children: [
|
|
||||||
Padding(
|
|
||||||
padding: const EdgeInsets.only(left: 32),
|
|
||||||
child: Text(
|
|
||||||
"Scan QR code",
|
|
||||||
style: STextStyles.desktopH3(context),
|
|
||||||
),
|
|
||||||
),
|
|
||||||
const DesktopDialogCloseButton(),
|
|
||||||
],
|
|
||||||
),
|
|
||||||
Expanded(
|
|
||||||
child: _isCameraOpen
|
|
||||||
? _image != null
|
|
||||||
? _image!
|
|
||||||
: const Center(
|
|
||||||
child: CircularProgressIndicator(),
|
|
||||||
)
|
|
||||||
: const Center(
|
|
||||||
child:
|
|
||||||
CircularProgressIndicator(), // Show progress indicator immediately
|
|
||||||
),
|
|
||||||
),
|
|
||||||
Padding(
|
|
||||||
padding: const EdgeInsets.all(16),
|
|
||||||
child: Row(
|
|
||||||
children: [
|
|
||||||
Expanded(child: Container()),
|
|
||||||
// "Select file" button.
|
|
||||||
SecondaryButton(
|
|
||||||
buttonHeight: ButtonHeight.l,
|
|
||||||
label: "Select file",
|
|
||||||
width: 200,
|
|
||||||
onPressed: () async {
|
|
||||||
final result = await FilePicker.platform.pickFiles(
|
|
||||||
type: FileType.custom,
|
|
||||||
allowedExtensions: ["png", "jpg", "jpeg"],
|
|
||||||
);
|
|
||||||
|
|
||||||
if (result == null || result.files.single.path == null) {
|
|
||||||
await showDialog<void>(
|
|
||||||
context: context,
|
|
||||||
builder: (_) => const StackOkDialog(
|
|
||||||
title: "Error scanning QR code",
|
|
||||||
message: "No file selected.",
|
|
||||||
),
|
|
||||||
);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
final filePath = result?.files.single.path!;
|
|
||||||
if (filePath == null) {
|
|
||||||
await showDialog<void>(
|
|
||||||
context: context,
|
|
||||||
builder: (_) => const StackOkDialog(
|
|
||||||
title: "Error scanning QR code",
|
|
||||||
message: "Error selecting file.",
|
|
||||||
),
|
|
||||||
);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
try {
|
|
||||||
final img.Image? image =
|
|
||||||
img.decodeImage(File(filePath!).readAsBytesSync());
|
|
||||||
if (image == null) {
|
|
||||||
await showDialog<void>(
|
|
||||||
context: context,
|
|
||||||
builder: (_) => const StackOkDialog(
|
|
||||||
title: "Error scanning QR code",
|
|
||||||
message: "Failed to decode image.",
|
|
||||||
),
|
|
||||||
);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
final String? scanResult = await _scanImage(image);
|
|
||||||
if (scanResult != null && scanResult.isNotEmpty) {
|
|
||||||
widget.onQrCodeDetected(scanResult);
|
|
||||||
Navigator.of(context).pop();
|
|
||||||
} else {
|
|
||||||
await showDialog<void>(
|
|
||||||
context: context,
|
|
||||||
builder: (_) => const StackOkDialog(
|
|
||||||
title: "Error scanning QR code",
|
|
||||||
message: "No QR code found in the image.",
|
|
||||||
),
|
|
||||||
);
|
|
||||||
}
|
|
||||||
} catch (e, s) {
|
|
||||||
Logging.instance.log("Failed to decode image: $e\n$s",
|
|
||||||
level: LogLevel.Error);
|
|
||||||
await showDialog<void>(
|
|
||||||
context: context,
|
|
||||||
builder: (_) => const StackOkDialog(
|
|
||||||
title: "Error scanning QR code",
|
|
||||||
message:
|
|
||||||
"Error processing the image. Please try again.",
|
|
||||||
),
|
|
||||||
);
|
|
||||||
}
|
|
||||||
},
|
|
||||||
),
|
|
||||||
const SizedBox(width: 16),
|
|
||||||
// Close button.
|
|
||||||
PrimaryButton(
|
|
||||||
buttonHeight: ButtonHeight.l,
|
|
||||||
label: "Close",
|
|
||||||
width: 272.5,
|
|
||||||
onPressed: () {
|
|
||||||
_stopCamera();
|
|
||||||
Navigator.of(context).pop();
|
|
||||||
},
|
|
||||||
),
|
|
||||||
],
|
|
||||||
),
|
|
||||||
),
|
|
||||||
],
|
|
||||||
),
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
|
||||||
405
lib/widgets/desktop/qr_code_scanner_dialog.dart
Normal file
405
lib/widgets/desktop/qr_code_scanner_dialog.dart
Normal file
|
|
@ -0,0 +1,405 @@
|
||||||
|
import 'dart:async';
|
||||||
|
import 'dart:convert';
|
||||||
|
import 'dart:io';
|
||||||
|
|
||||||
|
import 'package:camera_linux/camera_linux.dart';
|
||||||
|
import 'package:camera_macos/camera_macos_arguments.dart';
|
||||||
|
import 'package:camera_macos/camera_macos_device.dart';
|
||||||
|
import 'package:camera_macos/camera_macos_platform_interface.dart';
|
||||||
|
import 'package:camera_platform_interface/camera_platform_interface.dart';
|
||||||
|
import 'package:camera_windows/camera_windows.dart';
|
||||||
|
import 'package:file_picker/file_picker.dart';
|
||||||
|
import 'package:flutter/material.dart';
|
||||||
|
import 'package:image/image.dart' as img;
|
||||||
|
import 'package:stackwallet/widgets/desktop/primary_button.dart';
|
||||||
|
import 'package:stackwallet/widgets/desktop/secondary_button.dart';
|
||||||
|
import 'package:zxing2/qrcode.dart';
|
||||||
|
|
||||||
|
import '../../utilities/logger.dart';
|
||||||
|
import '../../utilities/text_styles.dart';
|
||||||
|
import '../stack_dialog.dart';
|
||||||
|
import 'desktop_dialog.dart';
|
||||||
|
import 'desktop_dialog_close_button.dart';
|
||||||
|
|
||||||
|
class QrCodeScannerDialog extends StatefulWidget {
|
||||||
|
final Function(String) onQrCodeDetected;
|
||||||
|
|
||||||
|
QrCodeScannerDialog({
|
||||||
|
required this.onQrCodeDetected,
|
||||||
|
});
|
||||||
|
|
||||||
|
@override
|
||||||
|
_QrCodeScannerDialogState createState() => _QrCodeScannerDialogState();
|
||||||
|
}
|
||||||
|
|
||||||
|
class _QrCodeScannerDialogState extends State<QrCodeScannerDialog> {
|
||||||
|
final CameraLinux? _cameraLinuxPlugin =
|
||||||
|
Platform.isLinux ? CameraLinux() : null;
|
||||||
|
final CameraWindows? _cameraWindowsPlugin =
|
||||||
|
Platform.isWindows ? CameraWindows() : null;
|
||||||
|
bool _isCameraOpen = false;
|
||||||
|
Image? _image;
|
||||||
|
bool _isScanning = false;
|
||||||
|
int _cameraId = -1;
|
||||||
|
String? _macOSDeviceId;
|
||||||
|
final int _imageDelayInMs = 250;
|
||||||
|
|
||||||
|
@override
|
||||||
|
void initState() {
|
||||||
|
super.initState();
|
||||||
|
_isCameraOpen = false;
|
||||||
|
_isScanning = false;
|
||||||
|
_initializeCamera();
|
||||||
|
}
|
||||||
|
|
||||||
|
@override
|
||||||
|
void dispose() {
|
||||||
|
_stopCamera();
|
||||||
|
super.dispose();
|
||||||
|
}
|
||||||
|
|
||||||
|
Future<void> _initializeCamera() async {
|
||||||
|
try {
|
||||||
|
setState(() {
|
||||||
|
_isScanning = true; // Show the progress indicator
|
||||||
|
});
|
||||||
|
|
||||||
|
if (Platform.isLinux && _cameraLinuxPlugin != null) {
|
||||||
|
await _cameraLinuxPlugin!.initializeCamera();
|
||||||
|
Logging.instance.log("Linux Camera initialized", level: LogLevel.Info);
|
||||||
|
} else if (Platform.isWindows && _cameraWindowsPlugin != null) {
|
||||||
|
final List<CameraDescription> cameras =
|
||||||
|
await _cameraWindowsPlugin!.availableCameras();
|
||||||
|
if (cameras.isEmpty) {
|
||||||
|
throw CameraException('No cameras available', 'No cameras found.');
|
||||||
|
}
|
||||||
|
final CameraDescription camera = cameras[0]; // Could be user-selected.
|
||||||
|
_cameraId = await _cameraWindowsPlugin!.createCameraWithSettings(
|
||||||
|
camera,
|
||||||
|
const MediaSettings(
|
||||||
|
resolutionPreset: ResolutionPreset.low,
|
||||||
|
fps: 4,
|
||||||
|
videoBitrate: 200000,
|
||||||
|
enableAudio: false,
|
||||||
|
),
|
||||||
|
);
|
||||||
|
await _cameraWindowsPlugin!.initializeCamera(_cameraId);
|
||||||
|
// await _cameraWindowsPlugin!.onCameraInitialized(_cameraId).first;
|
||||||
|
// TODO [prio=low]: Make this work. ^^^
|
||||||
|
Logging.instance.log("Windows Camera initialized with ID: $_cameraId",
|
||||||
|
level: LogLevel.Info);
|
||||||
|
} else if (Platform.isMacOS) {
|
||||||
|
final List<CameraMacOSDevice> videoDevices = await CameraMacOS.instance
|
||||||
|
.listDevices(deviceType: CameraMacOSDeviceType.video);
|
||||||
|
if (videoDevices.isEmpty) {
|
||||||
|
throw Exception('No cameras available');
|
||||||
|
}
|
||||||
|
_macOSDeviceId = videoDevices.first.deviceId;
|
||||||
|
await CameraMacOS.instance
|
||||||
|
.initialize(cameraMacOSMode: CameraMacOSMode.photo);
|
||||||
|
|
||||||
|
setState(() {
|
||||||
|
_isCameraOpen = true;
|
||||||
|
});
|
||||||
|
|
||||||
|
Logging.instance.log(
|
||||||
|
"macOS Camera initialized with ID: $_macOSDeviceId",
|
||||||
|
level: LogLevel.Info);
|
||||||
|
}
|
||||||
|
if (mounted) {
|
||||||
|
setState(() {
|
||||||
|
_isCameraOpen = true;
|
||||||
|
_isScanning = true;
|
||||||
|
});
|
||||||
|
}
|
||||||
|
unawaited(_captureAndScanImage()); // Could be awaited.
|
||||||
|
} catch (e, s) {
|
||||||
|
Logging.instance
|
||||||
|
.log("Failed to initialize camera: $e\n$s", level: LogLevel.Error);
|
||||||
|
if (mounted) {
|
||||||
|
// widget.onSnackbar("Failed to initialize camera. Please try again.");
|
||||||
|
setState(() {
|
||||||
|
_isScanning = false;
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Future<void> _stopCamera() async {
|
||||||
|
try {
|
||||||
|
if (Platform.isLinux && _cameraLinuxPlugin != null) {
|
||||||
|
_cameraLinuxPlugin!.stopCamera();
|
||||||
|
Logging.instance.log("Linux Camera stopped", level: LogLevel.Info);
|
||||||
|
} else if (Platform.isWindows && _cameraWindowsPlugin != null) {
|
||||||
|
// if (_cameraId >= 0) {
|
||||||
|
await _cameraWindowsPlugin!.dispose(_cameraId);
|
||||||
|
Logging.instance.log("Windows Camera stopped with ID: $_cameraId",
|
||||||
|
level: LogLevel.Info);
|
||||||
|
// } else {
|
||||||
|
// Logging.instance.log("Windows Camera ID is null. Cannot dispose.",
|
||||||
|
// level: LogLevel.Error);
|
||||||
|
// }
|
||||||
|
} else if (Platform.isMacOS) {
|
||||||
|
// if (_macOSDeviceId != null) {
|
||||||
|
await CameraMacOS.instance.stopImageStream();
|
||||||
|
Logging.instance.log("macOS Camera stopped with ID: $_macOSDeviceId",
|
||||||
|
level: LogLevel.Info);
|
||||||
|
// } else {
|
||||||
|
// Logging.instance.log("macOS Camera ID is null. Cannot stop.",
|
||||||
|
// level: LogLevel.Error);
|
||||||
|
// }
|
||||||
|
}
|
||||||
|
} catch (e, s) {
|
||||||
|
Logging.instance
|
||||||
|
.log("Failed to stop camera: $e\n$s", level: LogLevel.Error);
|
||||||
|
} finally {
|
||||||
|
if (mounted) {
|
||||||
|
setState(() {
|
||||||
|
_isScanning = false;
|
||||||
|
_isCameraOpen = false;
|
||||||
|
});
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Future<void> _captureAndScanImage() async {
|
||||||
|
while (_isCameraOpen && _isScanning) {
|
||||||
|
try {
|
||||||
|
String? base64Image;
|
||||||
|
if (Platform.isLinux && _cameraLinuxPlugin != null) {
|
||||||
|
base64Image = await _cameraLinuxPlugin!.captureImage();
|
||||||
|
} else if (Platform.isWindows) {
|
||||||
|
final XFile xfile =
|
||||||
|
await _cameraWindowsPlugin!.takePicture(_cameraId);
|
||||||
|
final bytes = await xfile.readAsBytes();
|
||||||
|
base64Image = base64Encode(bytes);
|
||||||
|
// We could use a Uint8List to optimize for Windows and macOS.
|
||||||
|
} else if (Platform.isMacOS) {
|
||||||
|
final macOSimg = await CameraMacOS.instance.takePicture();
|
||||||
|
if (macOSimg == null) {
|
||||||
|
Logging.instance
|
||||||
|
.log("Failed to capture image", level: LogLevel.Error);
|
||||||
|
await Future.delayed(Duration(milliseconds: _imageDelayInMs));
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
final img.Image? image = img.decodeImage(macOSimg.bytes!);
|
||||||
|
if (image == null) {
|
||||||
|
Logging.instance
|
||||||
|
.log("Failed to capture image", level: LogLevel.Error);
|
||||||
|
await Future.delayed(Duration(milliseconds: _imageDelayInMs));
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
base64Image = base64Encode(img.encodePng(image));
|
||||||
|
}
|
||||||
|
if (base64Image == null || base64Image.isEmpty) {
|
||||||
|
// Logging.instance
|
||||||
|
// .log("Failed to capture image", level: LogLevel.Error);
|
||||||
|
// Spammy.
|
||||||
|
await Future.delayed(Duration(milliseconds: _imageDelayInMs));
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
final img.Image? image = img.decodeImage(base64Decode(base64Image));
|
||||||
|
// TODO [prio=low]: Optimize this process. Docs say:
|
||||||
|
// > WARNING Since this will check the image data against all known
|
||||||
|
// > decoders, it is much slower than using an explicit decoder
|
||||||
|
if (image == null) {
|
||||||
|
Logging.instance.log("Failed to decode image", level: LogLevel.Error);
|
||||||
|
await Future.delayed(Duration(milliseconds: _imageDelayInMs));
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (mounted) {
|
||||||
|
setState(() {
|
||||||
|
_image = Image.memory(
|
||||||
|
base64Decode(base64Image!),
|
||||||
|
fit: BoxFit.cover,
|
||||||
|
);
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
final String? scanResult = await _scanImage(image);
|
||||||
|
if (scanResult != null && scanResult.isNotEmpty) {
|
||||||
|
widget.onQrCodeDetected(scanResult);
|
||||||
|
if (mounted) {
|
||||||
|
Navigator.of(context).pop();
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
} else {
|
||||||
|
// Logging.instance.log("No QR code found in the image", level: LogLevel.Info);
|
||||||
|
// if (mounted) {
|
||||||
|
// widget.onSnackbar("No QR code found in the image.");
|
||||||
|
// }
|
||||||
|
// Spammy.
|
||||||
|
}
|
||||||
|
|
||||||
|
await Future.delayed(Duration(milliseconds: _imageDelayInMs));
|
||||||
|
} catch (e, s) {
|
||||||
|
// Logging.instance.log("Failed to capture and scan image: $e\n$s", level: LogLevel.Error);
|
||||||
|
// Spammy.
|
||||||
|
|
||||||
|
// if (mounted) {
|
||||||
|
// widget.onSnackbar(
|
||||||
|
// "Error capturing or scanning the image. Please try again.");
|
||||||
|
// }
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Future<String?> _scanImage(img.Image image) async {
|
||||||
|
try {
|
||||||
|
final LuminanceSource source = RGBLuminanceSource(
|
||||||
|
image.width,
|
||||||
|
image.height,
|
||||||
|
image
|
||||||
|
.convert(numChannels: 4)
|
||||||
|
.getBytes(order: img.ChannelOrder.abgr)
|
||||||
|
.buffer
|
||||||
|
.asInt32List(),
|
||||||
|
);
|
||||||
|
final BinaryBitmap bitmap =
|
||||||
|
BinaryBitmap(GlobalHistogramBinarizer(source));
|
||||||
|
|
||||||
|
final QRCodeReader reader = QRCodeReader();
|
||||||
|
final qrDecode = reader.decode(bitmap);
|
||||||
|
if (qrDecode.text.isEmpty) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
return qrDecode.text;
|
||||||
|
} catch (e, s) {
|
||||||
|
// Logging.instance.log("Failed to decode QR code: $e\n$s", level: LogLevel.Error);
|
||||||
|
// Spammy.
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@override
|
||||||
|
Widget build(BuildContext context) {
|
||||||
|
return DesktopDialog(
|
||||||
|
maxWidth: 696,
|
||||||
|
maxHeight: 600,
|
||||||
|
child: Column(
|
||||||
|
mainAxisSize: MainAxisSize.min,
|
||||||
|
children: [
|
||||||
|
Row(
|
||||||
|
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||||
|
children: [
|
||||||
|
Padding(
|
||||||
|
padding: const EdgeInsets.only(left: 32),
|
||||||
|
child: Text(
|
||||||
|
"Scan QR code",
|
||||||
|
style: STextStyles.desktopH3(context),
|
||||||
|
),
|
||||||
|
),
|
||||||
|
const DesktopDialogCloseButton(),
|
||||||
|
],
|
||||||
|
),
|
||||||
|
Expanded(
|
||||||
|
child: _isCameraOpen
|
||||||
|
? _image != null
|
||||||
|
? _image!
|
||||||
|
: const Center(
|
||||||
|
child: CircularProgressIndicator(),
|
||||||
|
)
|
||||||
|
: const Center(
|
||||||
|
child:
|
||||||
|
CircularProgressIndicator(), // Show progress indicator immediately
|
||||||
|
),
|
||||||
|
),
|
||||||
|
Padding(
|
||||||
|
padding: const EdgeInsets.all(16),
|
||||||
|
child: Row(
|
||||||
|
children: [
|
||||||
|
Expanded(child: Container()),
|
||||||
|
// "Select file" button.
|
||||||
|
SecondaryButton(
|
||||||
|
buttonHeight: ButtonHeight.l,
|
||||||
|
label: "Select file",
|
||||||
|
width: 200,
|
||||||
|
onPressed: () async {
|
||||||
|
final result = await FilePicker.platform.pickFiles(
|
||||||
|
type: FileType.custom,
|
||||||
|
allowedExtensions: ["png", "jpg", "jpeg"],
|
||||||
|
);
|
||||||
|
|
||||||
|
if (result == null || result.files.single.path == null) {
|
||||||
|
await showDialog<void>(
|
||||||
|
context: context,
|
||||||
|
builder: (_) => const StackOkDialog(
|
||||||
|
title: "Error scanning QR code",
|
||||||
|
message: "No file selected.",
|
||||||
|
),
|
||||||
|
);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
final filePath = result?.files.single.path!;
|
||||||
|
if (filePath == null) {
|
||||||
|
await showDialog<void>(
|
||||||
|
context: context,
|
||||||
|
builder: (_) => const StackOkDialog(
|
||||||
|
title: "Error scanning QR code",
|
||||||
|
message: "Error selecting file.",
|
||||||
|
),
|
||||||
|
);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
try {
|
||||||
|
final img.Image? image =
|
||||||
|
img.decodeImage(File(filePath!).readAsBytesSync());
|
||||||
|
if (image == null) {
|
||||||
|
await showDialog<void>(
|
||||||
|
context: context,
|
||||||
|
builder: (_) => const StackOkDialog(
|
||||||
|
title: "Error scanning QR code",
|
||||||
|
message: "Failed to decode image.",
|
||||||
|
),
|
||||||
|
);
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
final String? scanResult = await _scanImage(image);
|
||||||
|
if (scanResult != null && scanResult.isNotEmpty) {
|
||||||
|
widget.onQrCodeDetected(scanResult);
|
||||||
|
Navigator.of(context).pop();
|
||||||
|
} else {
|
||||||
|
await showDialog<void>(
|
||||||
|
context: context,
|
||||||
|
builder: (_) => const StackOkDialog(
|
||||||
|
title: "Error scanning QR code",
|
||||||
|
message: "No QR code found in the image.",
|
||||||
|
),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
} catch (e, s) {
|
||||||
|
Logging.instance.log("Failed to decode image: $e\n$s",
|
||||||
|
level: LogLevel.Error);
|
||||||
|
await showDialog<void>(
|
||||||
|
context: context,
|
||||||
|
builder: (_) => const StackOkDialog(
|
||||||
|
title: "Error scanning QR code",
|
||||||
|
message:
|
||||||
|
"Error processing the image. Please try again.",
|
||||||
|
),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
),
|
||||||
|
const SizedBox(width: 16),
|
||||||
|
// Close button.
|
||||||
|
PrimaryButton(
|
||||||
|
buttonHeight: ButtonHeight.l,
|
||||||
|
label: "Close",
|
||||||
|
width: 272.5,
|
||||||
|
onPressed: () {
|
||||||
|
_stopCamera();
|
||||||
|
Navigator.of(context).pop();
|
||||||
|
},
|
||||||
|
),
|
||||||
|
],
|
||||||
|
),
|
||||||
|
),
|
||||||
|
],
|
||||||
|
),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -1,3 +1,5 @@
|
||||||
|
import 'dart:io';
|
||||||
|
|
||||||
import 'package:barcode_scan2/barcode_scan2.dart';
|
import 'package:barcode_scan2/barcode_scan2.dart';
|
||||||
import 'package:flutter/material.dart';
|
import 'package:flutter/material.dart';
|
||||||
import 'package:flutter/services.dart';
|
import 'package:flutter/services.dart';
|
||||||
|
|
@ -8,6 +10,7 @@ import '../../utilities/logger.dart';
|
||||||
import '../../utilities/text_styles.dart';
|
import '../../utilities/text_styles.dart';
|
||||||
import '../../utilities/util.dart';
|
import '../../utilities/util.dart';
|
||||||
import '../conditional_parent.dart';
|
import '../conditional_parent.dart';
|
||||||
|
import '../desktop/qr_code_scanner_dialog.dart';
|
||||||
import '../icon_widgets/clipboard_icon.dart';
|
import '../icon_widgets/clipboard_icon.dart';
|
||||||
import '../icon_widgets/qrcode_icon.dart';
|
import '../icon_widgets/qrcode_icon.dart';
|
||||||
import '../icon_widgets/x_icon.dart';
|
import '../icon_widgets/x_icon.dart';
|
||||||
|
|
@ -71,6 +74,50 @@ class _FrostStepFieldState extends State<FrostStepField> {
|
||||||
super.initState();
|
super.initState();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
Future<void> scanQr() async {
|
||||||
|
try {
|
||||||
|
if (Platform.isAndroid || Platform.isIOS) {
|
||||||
|
if (FocusScope.of(context).hasFocus) {
|
||||||
|
FocusScope.of(context).unfocus();
|
||||||
|
await Future<void>.delayed(
|
||||||
|
const Duration(milliseconds: 75),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
final qrResult = await BarcodeScanner.scan();
|
||||||
|
|
||||||
|
widget.controller.text = qrResult.rawContent;
|
||||||
|
|
||||||
|
_changed(widget.controller.text);
|
||||||
|
} else {
|
||||||
|
// Platform.isLinux, Platform.isWindows, or Platform.isMacOS.
|
||||||
|
await showDialog(
|
||||||
|
context: context,
|
||||||
|
builder: (context) {
|
||||||
|
return QrCodeScannerDialog(
|
||||||
|
onQrCodeDetected: (qrCodeData) {
|
||||||
|
try {
|
||||||
|
// TODO [prio=low]: Validate QR code data.
|
||||||
|
widget.controller.text = qrCodeData;
|
||||||
|
|
||||||
|
_changed(widget.controller.text);
|
||||||
|
} catch (e, s) {
|
||||||
|
Logging.instance.log("Error processing QR code data: $e\n$s",
|
||||||
|
level: LogLevel.Error);
|
||||||
|
}
|
||||||
|
},
|
||||||
|
);
|
||||||
|
},
|
||||||
|
);
|
||||||
|
}
|
||||||
|
} on PlatformException catch (e, s) {
|
||||||
|
Logging.instance.log(
|
||||||
|
"Failed to get camera permissions while trying to scan qr code: $e\n$s",
|
||||||
|
level: LogLevel.Warning,
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
@override
|
@override
|
||||||
Widget build(BuildContext context) {
|
Widget build(BuildContext context) {
|
||||||
return ConditionalParent(
|
return ConditionalParent(
|
||||||
|
|
@ -150,27 +197,7 @@ class _FrostStepFieldState extends State<FrostStepField> {
|
||||||
semanticsLabel:
|
semanticsLabel:
|
||||||
"Scan QR Button. Opens Camera For Scanning QR Code.",
|
"Scan QR Button. Opens Camera For Scanning QR Code.",
|
||||||
key: _qrKey,
|
key: _qrKey,
|
||||||
onTap: () async {
|
onTap: scanQr,
|
||||||
try {
|
|
||||||
if (FocusScope.of(context).hasFocus) {
|
|
||||||
FocusScope.of(context).unfocus();
|
|
||||||
await Future<void>.delayed(
|
|
||||||
const Duration(milliseconds: 75),
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
final qrResult = await BarcodeScanner.scan();
|
|
||||||
|
|
||||||
widget.controller.text = qrResult.rawContent;
|
|
||||||
|
|
||||||
_changed(widget.controller.text);
|
|
||||||
} on PlatformException catch (e, s) {
|
|
||||||
Logging.instance.log(
|
|
||||||
"Failed to get camera permissions while trying to scan qr code: $e\n$s",
|
|
||||||
level: LogLevel.Warning,
|
|
||||||
);
|
|
||||||
}
|
|
||||||
},
|
|
||||||
child: const QrCodeIcon(),
|
child: const QrCodeIcon(),
|
||||||
),
|
),
|
||||||
],
|
],
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue