131 lines
4.3 KiB
Dart
131 lines
4.3 KiB
Dart
import "package:auto_route/auto_route.dart";
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import "package:flutter/material.dart";
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import "package:flutter_riverpod/flutter_riverpod.dart";
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import "package:mobile_scanner/mobile_scanner.dart";
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import "package:smol_mail/data/providers/providers.dart";
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import "package:smol_mail/presentation/app_widget.dart";
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import "package:smol_mail/presentation/theme/app_colors.dart";
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import "package:smol_mail/shared/utils/snackbar.dart";
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import "package:smol_mail/smol/errors.dart";
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import "package:smol_mail/smol/link.dart";
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/// The §8 strong path: a self-certifying smol:// address is pasted, scanned
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/// or deep-linked in, and the user confirms before its key is bound. A
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/// routed dialog page rather than showDialog, so auto_route's platform-link
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/// handling — which pops pageless top routes — leaves it standing. The QR
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/// icon swaps the text field for a camera view; a scanned URI only fills
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/// the field, the Import tap is still what binds the key.
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@RoutePage()
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class ImportContactDialogScreen extends ConsumerStatefulWidget {
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final String? prefill;
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const ImportContactDialogScreen({super.key, this.prefill});
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@override
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ConsumerState<ImportContactDialogScreen> createState() =>
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ImportContactDialogScreenState();
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}
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class ImportContactDialogScreenState
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extends ConsumerState<ImportContactDialogScreen> {
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late final controller = TextEditingController(text: widget.prefill ?? "");
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bool scanning = false;
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MobileScannerController? _scanner;
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@override
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void dispose() {
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_scanner?.dispose();
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controller.dispose();
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super.dispose();
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}
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void _toggleScan() {
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setState(() {
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_scanner?.dispose();
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_scanner =
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scanning ? null : MobileScannerController(formats: [BarcodeFormat.qrCode]);
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scanning = !scanning;
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});
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}
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// Only a URI fumi accepts fills the field; anything else the camera sees
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// is not for this dialog, so scanning simply continues.
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void _onDetect(BarcodeCapture capture) {
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if (!scanning) return;
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for (final barcode in capture.barcodes) {
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final raw = barcode.rawValue?.trim();
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if (raw != null && parseSmolLink(raw) != null) {
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controller.text = raw;
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_toggleScan();
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return;
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}
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}
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}
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void _import() {
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final text = controller.text;
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if (text.trim().isEmpty) return;
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try {
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ref.read(clientProvider).importContact(text);
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ref.read(revisionProvider.notifier).bump();
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rootScaffoldMessengerKey.currentState?.showSnackBar(
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const SnackBar(content: Text("contact imported (verified key)")),
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);
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AutoRouter.of(context).pop();
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} on SmolError catch (err) {
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showErrorSnackBar(context, err.message);
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}
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}
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@override
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Widget build(BuildContext context) {
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return AlertDialog(
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backgroundColor: Theme.of(context).extension<AppColors>()!.cardFill,
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title: const Text("Import contact"),
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content: scanning
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? SizedBox(
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height: 220,
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width: double.maxFinite,
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child: ClipRRect(
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borderRadius: BorderRadius.circular(12),
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child: MobileScanner(
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controller: _scanner!,
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onDetect: _onDetect,
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errorBuilder: (context, error) => Center(
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Text(
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error.errorCode.name,
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style: Theme.of(context).textTheme.labelSmall,
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textAlign: TextAlign.center,
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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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: TextField(
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controller: controller,
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autofocus: true,
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onSubmitted: (_) => _import(),
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decoration: InputDecoration(
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hintText: "smol://user@host/key",
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filled: true,
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fillColor: Theme.of(context).colorScheme.surface,
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),
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),
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actions: [
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IconButton(
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tooltip: scanning ? "Type the address" : "Scan a QR code",
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onPressed: _toggleScan,
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icon: Icon(scanning ? Icons.keyboard : Icons.qr_code_scanner),
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),
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TextButton(
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onPressed: _import,
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child: const Text("Import"),
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),
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],
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);
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}
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}
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