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lib/widgets/shared/filled_button_await.dart

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+import 'dart:async';
+import 'dart:developer';
+
+import 'package:fladder/screens/shared/animated_fade_size.dart';
+import 'package:flutter/material.dart';
+
+class FilledButtonAwait extends StatefulWidget {
+  final FutureOr<dynamic> Function() onPressed;
+  final ButtonStyle? style;
+  final Widget child;
+
+  const FilledButtonAwait({
+    required this.onPressed,
+    this.style,
+    required this.child,
+    super.key,
+  });
+
+  @override
+  State<FilledButtonAwait> createState() => FilledButtonAwaitState();
+}
+
+class FilledButtonAwaitState extends State<FilledButtonAwait> {
+  bool loading = false;
+
+  @override
+  Widget build(BuildContext context) {
+    const duration = Duration(milliseconds: 250);
+    const iconSize = 24.0;
+    return FilledButton(
+        style: widget.style,
+        onPressed: loading
+            ? null
+            : () async {
+                setState(() => loading = true);
+                try {
+                  await widget.onPressed();
+                } catch (e) {
+                  log(e.toString());
+                } finally {
+                  setState(() => loading = false);
+                }
+              },
+        child: AnimatedFadeSize(
+          duration: duration,
+          child: loading
+              ? Opacity(
+                  opacity: 0.75,
+                  child: SizedBox(
+                    width: iconSize,
+                    height: iconSize,
+                    child: CircularProgressIndicator(
+                      strokeCap: StrokeCap.round,
+                      color: widget.style?.foregroundColor?.resolve({WidgetState.hovered}),
+                    ),
+                  ),
+                )
+              : widget.child,
+        ));
+  }
+}