Merge branch 'master' of https://github.com/jamesblasco/modal_bottom_sheet

@@ -97,6 +97,7 @@ class _ModalBottomSheetState<T> extends State<_ModalBottomSheet<T>> {
               label: _getRouteLabel(),
               explicitChildNodes: true,
               child: ModalBottomSheet(
+                closeProgressThreshold: widget.closeProgressThreshold,
                 expanded: widget.route.expanded,
                 containerBuilder: widget.route.containerBuilder,
                 animationController: widget.route._animationController!,

@@ -22,6 +22,7 @@ import '../bottom_sheet_route.dart';
 const double _behind_widget_visible_height = 10;
 
 const Radius _default_top_radius = Radius.circular(12);
+const BoxShadow _default_box_shadow = BoxShadow(blurRadius: 10, color: Colors.black12, spreadRadius: 5);
 
 /// Cupertino Bottom Sheet Container
 ///
@@ -32,20 +33,23 @@ class _CupertinoBottomSheetContainer extends StatelessWidget {
   final Widget child;
   final Color? backgroundColor;
   final Radius topRadius;
+  final BoxShadow? shadow;
 
   const _CupertinoBottomSheetContainer({
     Key? key,
     required this.child,
     this.backgroundColor,
     required this.topRadius,
+    this.shadow,
   }) : super(key: key);
 
+
   @override
   Widget build(BuildContext context) {
     final topSafeAreaPadding = MediaQuery.of(context).padding.top;
     final topPadding = _behind_widget_visible_height + topSafeAreaPadding;
 
-    final shadow =
+    final _shadow = shadow ?? _default_box_shadow;
         BoxShadow(blurRadius: 10, color: Colors.black12, spreadRadius: 5);
     final _backgroundColor =
         backgroundColor ?? CupertinoTheme.of(context).scaffoldBackgroundColor;
@@ -55,7 +59,7 @@ class _CupertinoBottomSheetContainer extends StatelessWidget {
         borderRadius: BorderRadius.vertical(top: topRadius),
         child: Container(
           decoration:
-              BoxDecoration(color: _backgroundColor, boxShadow: [shadow]),
+              BoxDecoration(color: _backgroundColor, boxShadow: [_shadow]),
           width: double.infinity,
           child: MediaQuery.removePadding(
             context: context,
@@ -89,6 +93,7 @@ Future<T?> showCupertinoModalBottomSheet<T>({
   Duration? duration,
   RouteSettings? settings,
   Color? transitionBackgroundColor,
+  BoxShadow? shadow,
 }) async {
   assert(context != null);
   assert(builder != null);
@@ -111,6 +116,7 @@ Future<T?> showCupertinoModalBottomSheet<T>({
               child: child,
               backgroundColor: backgroundColor,
               topRadius: topRadius,
+              shadow: shadow,
             ),
         secondAnimationController: secondAnimation,
         expanded: expand,
@@ -135,8 +141,12 @@ Future<T?> showCupertinoModalBottomSheet<T>({
 
 class CupertinoModalBottomSheetRoute<T> extends ModalBottomSheetRoute<T> {
   final Radius topRadius;
+
   final Curve? previousRouteAnimationCurve;
 
+
+  final BoxShadow? boxShadow;
+
   // Background color behind all routes
   // Black by default
   final Color? transitionBackgroundColor;
@@ -159,6 +169,7 @@ class CupertinoModalBottomSheetRoute<T> extends ModalBottomSheetRoute<T> {
     Duration? duration,
     RouteSettings? settings,
     ScrollController? scrollController,
+    this.boxShadow = _default_box_shadow,
     this.transitionBackgroundColor,
     this.topRadius = _default_top_radius,
     this.previousRouteAnimationCurve,
@@ -226,6 +237,7 @@ class _CupertinoModalTransition extends StatelessWidget {
   final Radius topRadius;
   final Curve? animationCurve;
   final Color backgroundColor;
+  final BoxShadow? boxShadow;
 
   final Widget body;
 
@@ -236,6 +248,7 @@ class _CupertinoModalTransition extends StatelessWidget {
     required this.topRadius,
     this.backgroundColor = Colors.black,
     this.animationCurve,
+    this.boxShadow,
   }) : super(key: key);
 
   @override
@@ -340,6 +353,7 @@ class CupertinoScaffold extends StatefulWidget {
     bool enableDrag = true,
     Duration? duration,
     RouteSettings? settings,
+    BoxShadow? shadow,
   }) async {
     assert(context != null);
     assert(builder != null);
@@ -363,7 +377,8 @@ class CupertinoScaffold extends StatefulWidget {
       containerBuilder: (context, _, child) => _CupertinoBottomSheetContainer(
         child: child,
         backgroundColor: backgroundColor,
-        topRadius:  _default_top_radius,
+        topRadius: topRadius ?? _default_top_radius,
+        shadow: shadow,
       ),
       expanded: expand,
       barrierLabel: barrierLabel,