use closed child background color in AnimatedDialog

lib/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/components/animated_dialog/widget_dialog_animated.dart

@@ -1,9 +1,15 @@
+import 'dart:math';
+
 import 'package:flutter/material.dart';
 import 'package:lightmeter/res/dimens.dart';
 
+mixin AnimatedDialogClosedChild on Widget {
+  Color backgroundColor(BuildContext context);
+}
+
 class AnimatedDialog extends StatefulWidget {
   final Size? openedSize;
-  final Widget? closedChild;
+  final AnimatedDialogClosedChild? closedChild;
   final Widget? openedChild;
   final Widget? child;
 
@@ -95,7 +101,7 @@ class AnimatedDialogState extends State<AnimatedDialog> with SingleTickerProvide
   void didChangeDependencies() {
     super.didChangeDependencies();
     _foregroundColorAnimation = ColorTween(
-      begin: Theme.of(context).colorScheme.primaryContainer,
+      begin: widget.closedChild?.backgroundColor(context) ?? Theme.of(context).colorScheme.primaryContainer,
       end: Theme.of(context).colorScheme.surface,
     ).animate(_defaultCurvedAnimation);
 
@@ -135,13 +141,14 @@ class AnimatedDialogState extends State<AnimatedDialog> with SingleTickerProvide
       if (renderBox != null) {
         final size = MediaQuery.sizeOf(context);
         final padding = MediaQuery.paddingOf(context);
+        final maxWidth = size.width - padding.horizontal - Dimens.dialogMargin.horizontal;
+        final maxHeight = size.height - padding.vertical - Dimens.dialogMargin.vertical;
         _closedSize = _key.currentContext!.size!;
         _sizeTween = SizeTween(
           begin: _closedSize,
-          end: widget.openedSize ??
+          end: Size(
-              Size(
+                min(widget.openedSize?.width ?? double.maxFinite, maxWidth),
-                size.width - padding.horizontal - Dimens.dialogMargin.horizontal,
+                min(widget.openedSize?.height ?? double.maxFinite, maxHeight),
-                size.height - padding.vertical - Dimens.dialogMargin.vertical,
               ),
         );
         _sizeAnimation = _sizeTween.animate(_defaultCurvedAnimation);

lib/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/widget_picker_dialog_animated.dart

@@ -13,7 +13,7 @@ class AnimatedDialogPicker<T> extends StatefulWidget {
   final DialogPickerItemTitleBuilder<T> itemTitleBuilder;
   final DialogPickerItemTrailingBuilder<T>? itemTrailingBuilder;
   final ValueChanged<T> onChanged;
-  final Widget closedChild;
+  final AnimatedDialogClosedChild closedChild;
 
   const AnimatedDialogPicker({
     required this.icon,

lib/screens/metering/components/shared/readings_container/components/shared/reading_value_container/widget_container_reading_value.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/res/dimens.dart';
+import 'package:lightmeter/screens/metering/components/shared/readings_container/components/shared/animated_dialog_picker/components/animated_dialog/widget_dialog_animated.dart';
 
 class ReadingValue {
   final String label;
@@ -11,7 +12,7 @@ class ReadingValue {
   });
 }
 
-class ReadingValueContainer extends StatelessWidget {
+class ReadingValueContainer extends StatelessWidget implements AnimatedDialogClosedChild {
   late final List<Widget> _items;
   final Color? color;
 
@@ -35,12 +36,15 @@ class ReadingValueContainer extends StatelessWidget {
     super.key,
   }) : _items = [_ReadingValueBuilder(value)];
 
+  @override
+  Color backgroundColor(BuildContext context) => color ?? Theme.of(context).colorScheme.primaryContainer;
+
   @override
   Widget build(BuildContext context) {
     return ClipRRect(
       borderRadius: BorderRadius.circular(Dimens.borderRadiusM),
       child: ColoredBox(
-        color: color ?? Theme.of(context).colorScheme.primaryContainer,
+        color: backgroundColor(context),
         child: Padding(
           padding: const EdgeInsets.all(Dimens.paddingM),
           child: Column(