contact invitation algorithm

lib/components/contact_invitation_display.dart

@@ -1,25 +1,74 @@
+import 'package:awesome_extensions/awesome_extensions.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_animate/flutter_animate.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:flutter_translate/flutter_translate.dart';
 
-class ContactInvitationDisplay extends ConsumerWidget {
-  const ContactInvitationDisplay({super.key});
-  //final LocalAccount account;
+import '../tools/tools.dart';
+
+class ContactInvitationDisplayDialog extends ConsumerStatefulWidget {
+  const ContactInvitationDisplayDialog({
+    super.key,
+  });
+
+  // EncryptionKeyType _encryptionKeyType = EncryptionKeyType.none;
+  // _encryptionKey = '';
 
   @override
-  Widget build(BuildContext context, WidgetRef ref) {
-    //final logins = ref.watch(loginsProvider);
+  ContactInvitationDisplayDialogState createState() =>
+      ContactInvitationDisplayDialogState();
+}
 
-    return ConstrainedBox(
-        constraints: const BoxConstraints(maxHeight: 300),
-        child: Column(
-            mainAxisAlignment: MainAxisAlignment.center,
-            children: [const Expanded(child: Text('Contact Invitation'))]));
+class ContactInvitationDisplayDialogState
+    extends ConsumerState<ContactInvitationDisplayDialog> {
+  final focusNode = FocusNode();
+  final formKey = GlobalKey<FormState>();
+  Future<void>? _generateFuture;
+
+  @override
+  void initState() {
+    super.initState();
+    if (_generateFuture == null) {
+      _generateFuture = _generate();
+    }
+  }
+
+  Future<void> _generate() async {
+    // Generate invitation
+
+    setState(() {
+      _generateFuture = null;
+    });
   }
 
   @override
-  void debugFillProperties(DiagnosticPropertiesBuilder properties) {
-    super.debugFillProperties(properties);
-    //properties.add(DiagnosticsProperty<LocalAccount>('account', account));
+  void dispose() {
+    focusNode.dispose();
+    super.dispose();
+  }
+
+  @override
+  // ignore: prefer_expression_function_bodies
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final scale = theme.extension<ScaleScheme>()!;
+
+    final cardsize = MediaQuery.of(context).size.shortestSide - 24;
+    //
+
+    return Dialog(
+        backgroundColor: Colors.white,
+        child: SizedBox(
+            width: cardsize,
+            height: cardsize,
+            child: Form(
+                    key: formKey,
+                    child: Column(
+                        mainAxisSize: MainAxisSize.min,
+                        mainAxisAlignment: MainAxisAlignment.center,
+                        children: [Text("Contact Invitation")]))
+                .withModalHUD(context, _generateFuture != null)));
   }
 }