Initial commit

2026-09-11 15:59:56 -03:00
commit 0037b0b9cf
651 changed files with 199705 additions and 0 deletions
--- a/lib/widgets/qr_code_viewer.dart
+++ b/lib/widgets/qr_code_viewer.dart
@@ -0,0 +1,144 @@
+// SPDX-FileCopyrightText: 2019-Present Christian Kußowski
+// SPDX-FileCopyrightText: 2019-Present Contributors to FluffyChat
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+import 'package:tatchat/config/app_config.dart';
+import 'package:tatchat/l10n/l10n.dart';
+import 'package:tatchat/utils/tatu_share.dart';
+import 'package:tatchat/utils/matrix_sdk_extensions/matrix_file_extension.dart';
+import 'package:tatchat/widgets/future_loading_dialog.dart';
+import 'package:flutter/foundation.dart';
+import 'package:image/image.dart';
+import 'package:material_ui/material_ui.dart';
+import 'package:matrix/matrix.dart';
+import 'package:particles_network/particles_network.dart';
+import 'package:pretty_qr_code/pretty_qr_code.dart';
+import 'package:qr_image/qr_image.dart';
+
+import '../config/themes.dart';
+
+Future<void> showQrCodeViewer(BuildContext context, String content) =>
+    showDialog(
+      context: context,
+      builder: (context) => QrCodeViewer(content: content),
+    );
+
+class QrCodeViewer extends StatelessWidget {
+  final String content;
+
+  const QrCodeViewer({required this.content, super.key});
+
+  Future<void> _save(BuildContext context) async {
+    final imageResult = await showFutureLoadingDialog(
+      context: context,
+      future: () {
+        final inviteLink = 'https://matrix.to/#/$content';
+        final image = QRImage(inviteLink, size: 256, radius: 1).generate();
+        return compute(encodePng, image);
+      },
+    );
+    final bytes = imageResult.result;
+    if (bytes == null) return;
+    if (!context.mounted) return;
+
+    MatrixImageFile(
+      bytes: bytes,
+      name: 'QR_Code_$content.png',
+      mimeType: 'image/png',
+    ).save(context);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final inviteLink = 'https://matrix.to/#/$content';
+    return Scaffold(
+      backgroundColor: Colors.black.withAlpha(128),
+      extendBodyBehindAppBar: true,
+      appBar: AppBar(
+        elevation: 0,
+        leading: IconButton(
+          style: IconButton.styleFrom(
+            backgroundColor: Colors.black.withAlpha(128),
+          ),
+          icon: const Icon(Icons.close),
+          onPressed: Navigator.of(context).pop,
+          color: Colors.white,
+          tooltip: L10n.of(context).close,
+        ),
+        backgroundColor: Colors.transparent,
+        actions: [
+          IconButton(
+            style: IconButton.styleFrom(
+              backgroundColor: Colors.black.withAlpha(128),
+            ),
+            icon: Icon(Icons.adaptive.share_outlined),
+            onPressed: () => TatuShare.share(inviteLink, context),
+            color: Colors.white,
+            tooltip: L10n.of(context).share,
+          ),
+          const SizedBox(width: 8),
+          IconButton(
+            style: IconButton.styleFrom(
+              backgroundColor: Colors.black.withAlpha(128),
+            ),
+            icon: const Icon(Icons.download_outlined),
+            onPressed: () => _save(context),
+            color: Colors.white,
+            tooltip: L10n.of(context).downloadFile,
+          ),
+          const SizedBox(width: 8),
+        ],
+      ),
+      body: Stack(
+        children: [
+          if (!MediaQuery.disableAnimationsOf(context))
+            ParticleNetwork(maxSpeed: 0.25),
+          Center(
+            child: Container(
+              margin: const EdgeInsets.all(32.0),
+              padding: const EdgeInsets.all(32.0),
+              decoration: BoxDecoration(
+                border: Border.all(
+                  color: theme.colorScheme.onSurface,
+                  width: 8,
+                ),
+                color: theme.colorScheme.surfaceBright,
+                borderRadius: BorderRadius.circular(AppConfig.borderRadius),
+              ),
+              child: Column(
+                mainAxisSize: .min,
+                children: [
+                  ConstrainedBox(
+                    constraints: const BoxConstraints(
+                      maxWidth: FluffyThemes.columnWidth,
+                    ),
+                    child: PrettyQrView.data(
+                      data: inviteLink,
+                      decoration: PrettyQrDecoration(
+                        shape: PrettyQrSmoothSymbol(
+                          roundFactor: 1,
+                          color: theme.colorScheme.onSurface,
+                        ),
+                      ),
+                    ),
+                  ),
+                  const SizedBox(height: 8.0),
+                  SelectableText(
+                    content,
+                    textAlign: TextAlign.center,
+                    style: TextStyle(
+                      color: theme.colorScheme.onPrimaryContainer,
+                      fontSize: 12,
+                    ),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}