Expandable room icons

lib/widgets/chat_page/expandable_image.dart

@@ -0,0 +1,48 @@
+import "dart:math";
+import "package:cross_cache/cross_cache.dart";
+import "package:flutter/material.dart";
+import "package:hooks_riverpod/hooks_riverpod.dart";
+import "package:nexus/controllers/cross_cache_controller.dart";
+import "package:nexus/helpers/extensions/get_headers.dart";
+import "package:nexus/widgets/error_dialog.dart";
+
+class ExpandableImage extends ConsumerWidget {
+  final Widget child;
+  final String? source;
+  const ExpandableImage(this.source, {required this.child, super.key});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) => InkWell(
+    onTap: source == null
+        ? null
+        : () => showDialog(
+            context: context,
+            builder: (_) => LayoutBuilder(
+              builder: (context, constraints) => Dialog(
+                backgroundColor: Colors.transparent,
+                insetPadding: EdgeInsets.all(constraints.maxWidth / 100),
+                child: ConstrainedBox(
+                  constraints: BoxConstraints(
+                    minWidth: min(constraints.maxWidth, 1000),
+                  ),
+                  child: InteractiveViewer(
+                    child: Image(
+                      fit: BoxFit.contain,
+                      errorBuilder: (_, error, stackTrace) => ErrorDialog(
+                        "Loading failed for $source\nError: $error",
+                        stackTrace,
+                      ),
+                      image: CachedNetworkImage(
+                        source!,
+                        ref.watch(CrossCacheController.provider),
+                        headers: ref.headers,
+                      ),
+                    ),
+                  ),
+                ),
+              ),
+            ),
+          ),
+    child: child,
+  );
+}