8a37b8ba35
This PR changes the paint functions for SliverMainAxisGroup and SliverCrossAxisGroup so that only visible slivers are painted. Fixes https://github.com/flutter/flutter/issues/129214.
37 lines
1.1 KiB
Dart
37 lines
1.1 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Test sliver which always attempts to paint itself whether it is visible or not.
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// Use for checking if slivers which take sliver children paints optimally.
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import 'package:flutter/material.dart';
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import 'package:flutter/rendering.dart';
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class RenderMockSliverToBoxAdapter extends RenderSliverToBoxAdapter {
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RenderMockSliverToBoxAdapter({
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super.child,
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required this.incrementCounter,
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});
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final void Function() incrementCounter;
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@override
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void paint(PaintingContext context, Offset offset) {
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incrementCounter();
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}
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}
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class MockSliverToBoxAdapter extends SingleChildRenderObjectWidget {
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/// Creates a sliver that contains a single box widget.
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const MockSliverToBoxAdapter({
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super.key,
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super.child,
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required this.incrementCounter,
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});
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final void Function() incrementCounter;
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@override
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RenderMockSliverToBoxAdapter createRenderObject(BuildContext context) =>
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RenderMockSliverToBoxAdapter(incrementCounter: incrementCounter);
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}
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