Added GetRouteAwarePageBuilder

@@ -102,7 +102,13 @@ class GetPageRoute<T> extends PageRoute<T> with GetPageRouteTransitionMixin<T> {
     }
 
     final pageToBuild = middlewareRunner.runOnPageBuildStart(page)!;
-    return middlewareRunner.runOnPageBuilt(pageToBuild());
+    Widget p;
+    if (pageToBuild is GetRouteAwarePageBuilder) {
+      p = pageToBuild(this);
+    } else {
+      p = pageToBuild();
+    }
+    return middlewareRunner.runOnPageBuilt(p);
   }
 
   @override

@@ -182,3 +182,55 @@ class GetPage<T> extends Page<T> {
     ).getPageToRoute<T>(this, unknownRoute);
   }
 }
+
+class GetRouteAwarePage<T> extends GetPage<T> {
+  GetRouteAwarePage({
+    required String name,
+    required GetRouteAwarePageBuilder page,
+    bool? popGesture,
+    Map<String, String>? parameters,
+    String? title,
+    Transition? transition,
+    Curve curve = Curves.linear,
+    bool? participatesInRootNavigator,
+    Alignment? alignment,
+    bool maintainState = true,
+    bool opaque = true,
+    double Function(BuildContext context)? gestureWidth,
+    Bindings? binding,
+    List<Bindings> bindings = const [],
+    CustomTransition? customTransition,
+    Duration? transitionDuration,
+    bool fullscreenDialog = false,
+    bool preventDuplicates = true,
+    Object? arguments,
+    List<GetPage> children = const <GetPage>[],
+    List<GetMiddleware>? middlewares,
+    GetPage? unknownRoute,
+    bool showCupertinoParallax = true,
+  }) : super(
+          name: name,
+          page: page,
+          alignment: alignment,
+          arguments: arguments,
+          binding: binding,
+          bindings: bindings,
+          children: children,
+          curve: curve,
+          customTransition: customTransition,
+          fullscreenDialog: fullscreenDialog,
+          gestureWidth: gestureWidth,
+          maintainState: maintainState,
+          middlewares: middlewares,
+          opaque: opaque,
+          parameters: parameters,
+          participatesInRootNavigator: participatesInRootNavigator,
+          popGesture: popGesture,
+          preventDuplicates: preventDuplicates,
+          showCupertinoParallax: showCupertinoParallax,
+          title: title,
+          transition: transition,
+          transitionDuration: transitionDuration,
+          unknownRoute: unknownRoute,
+        );
+}

 import 'package:flutter/widgets.dart';
 
+import 'default_route.dart';
+
 enum Transition {
   fade,
   fadeIn,
@@ -19,3 +21,4 @@ enum Transition {
 }
 
 typedef GetPageBuilder = Widget Function();
+typedef GetRouteAwarePageBuilder<T> = Widget Function([GetPageRoute<T>? route]);