WIP

example/lib/tutorial/imperative_navigation_sheet.dart

@@ -39,7 +39,7 @@ class _ExampleSheet extends StatelessWidget {
       onGenerateInitialRoutes: (navigator, initialRoute) {
         return [
           // Use ScrollableNavigationSheetRoute for a draggable page.
-          NavigationSheetRoute(
+          PagedSheetRoute(
             builder: (context) {
               return const _DraggablePage();
             },
@@ -49,7 +49,7 @@ class _ExampleSheet extends StatelessWidget {
     );
 
     // Wrap the nested navigator in a NavigationSheet.
-    return NavigationSheet(
+    return PagedSheet(
       transitionObserver: _transitionObserver,
       child: Card(
         clipBehavior: Clip.antiAlias,
@@ -69,7 +69,8 @@ class _DraggablePage extends StatelessWidget {
 
   void navigateToScrollablePage(BuildContext context) {
     // Use ScrollableNavigationSheetRoute for a scrollable page.
-    final route = NavigationSheetRoute(
+    final route = PagedSheetRoute(
+      scrollConfiguration: const SheetScrollConfiguration(),
       builder: (context) {
         return const _ScrollablePage();
       },

lib/smooth_sheets.dart

@@ -6,4 +6,5 @@ library;
 export 'src/foundation/foundation.dart';
 export 'src/modal/modal.dart';
 export 'src/navigation/navigation.dart';
+export 'src/paged_sheet.dart';
 export 'src/scrollable/scrollable.dart';

lib/src/foundation/sheet_position.dart

@@ -27,12 +27,14 @@ import 'sheet_status.dart';
 ///   proportionally to the sheet's content height.
 /// - [FixedSheetAnchor], which defines the position
 ///   using a fixed value in pixels.
-// TODO: Rename to SheetPosition.
+// TODO: Rename to SheetOffset.
 abstract interface class SheetAnchor {
   /// {@macro FixedSheetAnchor}
+  // TODO: Rename to `absolute`.
   const factory SheetAnchor.pixels(double pixels) = FixedSheetAnchor;
 
   /// {@macro ProportionalSheetAnchor}
+  // TODO: Rename to `relative`.
   const factory SheetAnchor.proportional(double size) = ProportionalSheetAnchor;
 
   /// Resolves the position to an actual value in pixels.
@@ -392,6 +394,7 @@ abstract class SheetPosition extends ChangeNotifier
     );
   }
 
+  // TODO: Move this to DraggableScrollableSheetPosition.
   Drag drag(DragStartDetails details, VoidCallback dragCancelCallback) {
     assert(currentDrag == null);
     final dragActivity = DragSheetActivity();
@@ -432,6 +435,7 @@ abstract class SheetPosition extends ChangeNotifier
     super.dispose();
   }
 
+  // TODO: Rename to `setOffset`.
   void setPixels(double pixels) {
     final oldPixels = maybePixels;
     correctPixels(pixels);
@@ -440,6 +444,7 @@ abstract class SheetPosition extends ChangeNotifier
     }
   }
 
+  // TODO: Rename to `correctOffset`.
   void correctPixels(double pixels) {
     if (maybePixels != pixels) {
       _updateMetrics(pixels: pixels);

lib/src/foundation/sheet_position_scope.dart

@@ -140,7 +140,10 @@ abstract class SheetPositionScope<E extends SheetPosition>
 @internal
 abstract class SheetPositionScopeState<E extends SheetPosition,
     W extends SheetPositionScope> extends State<W> {
+  @protected
+  E get position => _position;
   late E _position;
+
   SheetController? _controller;
 
   SheetPositionScopeKey? get _scopeKey {