29 lines
1.1 KiB
Dart
29 lines
1.1 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Test sliver which always attempts to paint itself whether it is visible or not.
|
|
// Use for checking if slivers which take sliver children paints optimally.
|
|
import 'package:flutter/material.dart';
|
|
import 'package:flutter/rendering.dart';
|
|
|
|
class RenderMockSliverToBoxAdapter extends RenderSliverToBoxAdapter {
|
|
RenderMockSliverToBoxAdapter({super.child, required this.incrementCounter});
|
|
final void Function() incrementCounter;
|
|
|
|
@override
|
|
void paint(PaintingContext context, Offset offset) {
|
|
incrementCounter();
|
|
}
|
|
}
|
|
|
|
class MockSliverToBoxAdapter extends SingleChildRenderObjectWidget {
|
|
/// Creates a sliver that contains a single box widget.
|
|
const MockSliverToBoxAdapter({super.key, super.child, required this.incrementCounter});
|
|
|
|
final void Function() incrementCounter;
|
|
|
|
@override
|
|
RenderMockSliverToBoxAdapter createRenderObject(BuildContext context) =>
|
|
RenderMockSliverToBoxAdapter(incrementCounter: incrementCounter);
|
|
}
|