[FIX] Dialog sismissing helpers

lib/src/dialog/dialog_helper.astromic.dart

@@ -10,14 +10,27 @@ class AstromicDialogHelper {
     Widget? stackedCloseWidget,
     AstromicDialogConfiguration configuration = const AstromicDialogConfiguration(),
     AstromicDialogStyle style = const AstromicDialogStyle(),
-    void Function(T?)? onClose,
+    Future<bool> Function()? onWillDismess,
   }) async {
-    //
-    return await showDialog<T>(
-        context: context,
-        useSafeArea: configuration.safeAreaAware,
-        builder: (_) {
-          return Dialog(
+    final result = await showDialog<T>(
+      context: context,
+      useSafeArea: configuration.safeAreaAware,
+      barrierDismissible: configuration.barrierDismissible,
+      builder: (modalContext) {
+        return PopScope(
+          canPop: false, // We set this to false to manually control the pop
+          onPopInvokedWithResult: (didPop, result) async {
+            if (didPop) return;
+
+            // Check your custom logic
+            final shouldPop = onWillDismess != null ? await onWillDismess() : true;
+
+            if (shouldPop) {
+              // ignore: use_build_context_synchronously
+              Navigator.of(modalContext).pop();
+            }
+          },
+          child: Dialog(
             backgroundColor: Colors.transparent,
             insetPadding: style.margin?.resolve(style.textDirection) ?? const EdgeInsets.symmetric(horizontal: 40, vertical: 24),
             child: Stack(
@@ -42,8 +55,11 @@ class AstromicDialogHelper {
                   ),
               ],
             ),
-          );
-        });
-    //
+          ),
+        );
+      },
+    );
+
+    return result;
   }
 }

lib/src/dialog/src/models/configuration.model.dart

@@ -1,16 +1,19 @@
 class AstromicDialogConfiguration {
   const AstromicDialogConfiguration({
     this.safeAreaAware = true,
+    this.barrierDismissible = true,
   });
 
   final bool safeAreaAware;
+  final bool barrierDismissible;
 
   AstromicDialogConfiguration copyWith({
-    bool? isCentered,
     bool? safeAreaAware,
+    bool? barrierDismissible,
   }) {
     return AstromicDialogConfiguration(
       safeAreaAware: safeAreaAware ?? this.safeAreaAware,
+      barrierDismissible: barrierDismissible ?? this.barrierDismissible,
     );
   }
 }