e17f8d367d
Added support for a semi-transparent white overlay color for `Material` widgets to indicate their elevation in a dart theme. A new `ThemeData.applyElevationOverlayColor` flag was added to control this behavior, which is off by default for backwards compatibility reasons.
750 lines
24 KiB
Dart
750 lines
24 KiB
Dart
// Copyright 2016 The Chromium 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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import 'package:flutter/material.dart';
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import 'package:flutter/painting.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter_test/flutter_test.dart';
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import '../rendering/mock_canvas.dart';
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import '../widgets/test_border.dart' show TestBorder;
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class NotifyMaterial extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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LayoutChangedNotification().dispatch(context);
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return Container();
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}
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}
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Widget buildMaterial({
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double elevation = 0.0,
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Color shadowColor = const Color(0xFF00FF00),
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Color color = const Color(0xFF0000FF),
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}) {
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return Center(
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child: SizedBox(
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height: 100.0,
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width: 100.0,
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child: Material(
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color: color,
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shadowColor: shadowColor,
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elevation: elevation,
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shape: const CircleBorder(),
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),
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),
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);
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}
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RenderPhysicalShape getModel(WidgetTester tester) {
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return tester.renderObject(find.byType(PhysicalShape));
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}
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class PaintRecorder extends CustomPainter {
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PaintRecorder(this.log);
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final List<Size> log;
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@override
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void paint(Canvas canvas, Size size) {
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log.add(size);
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final Paint paint = Paint()..color = const Color(0xFF0000FF);
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canvas.drawRect(Offset.zero & size, paint);
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}
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@override
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bool shouldRepaint(PaintRecorder oldDelegate) => false;
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}
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class ElevationColor {
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const ElevationColor(this.elevation, this.color);
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final double elevation;
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final Color color;
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}
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void main() {
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testWidgets('default Material debugFillProperties', (WidgetTester tester) async {
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final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
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const Material().debugFillProperties(builder);
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final List<String> description = builder.properties
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.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
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.map((DiagnosticsNode node) => node.toString())
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.toList();
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expect(description, <String>['type: canvas']);
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});
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testWidgets('Material implements debugFillProperties', (WidgetTester tester) async {
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final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
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const Material(
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type: MaterialType.canvas,
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color: Color(0xFFFFFFFF),
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textStyle: TextStyle(color: Color(0xff00ff00)),
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borderRadius: BorderRadiusDirectional.all(Radius.circular(10)),
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).debugFillProperties(builder);
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final List<String> description = builder.properties
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.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
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.map((DiagnosticsNode node) => node.toString())
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.toList();
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expect(description, <String>[
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'type: canvas',
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'color: Color(0xffffffff)',
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'textStyle.inherit: true',
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'textStyle.color: Color(0xff00ff00)',
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'borderRadius: BorderRadiusDirectional.circular(10.0)',
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]);
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});
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testWidgets('LayoutChangedNotification test', (WidgetTester tester) async {
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await tester.pumpWidget(
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Material(
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child: NotifyMaterial(),
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),
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);
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});
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testWidgets('ListView scroll does not repaint', (WidgetTester tester) async {
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final List<Size> log = <Size>[];
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Column(
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children: <Widget>[
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SizedBox(
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width: 150.0,
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height: 150.0,
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child: CustomPaint(
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painter: PaintRecorder(log),
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),
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),
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Expanded(
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child: Material(
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child: Column(
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children: <Widget>[
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Expanded(
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child: ListView(
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children: <Widget>[
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Container(
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height: 2000.0,
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color: const Color(0xFF00FF00),
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),
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],
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),
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),
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SizedBox(
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width: 100.0,
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height: 100.0,
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child: CustomPaint(
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painter: PaintRecorder(log),
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),
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),
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],
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),
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),
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),
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],
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),
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),
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);
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// We paint twice because we have two CustomPaint widgets in the tree above
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// to test repainting both inside and outside the Material widget.
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expect(log, equals(<Size>[
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const Size(150.0, 150.0),
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const Size(100.0, 100.0),
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]));
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log.clear();
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await tester.drag(find.byType(ListView), const Offset(0.0, -300.0));
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await tester.pump();
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expect(log, isEmpty);
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});
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testWidgets('Shadows animate smoothly', (WidgetTester tester) async {
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// This code verifies that the PhysicalModel's elevation animates over
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// a kThemeChangeDuration time interval.
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await tester.pumpWidget(buildMaterial(elevation: 0.0));
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final RenderPhysicalShape modelA = getModel(tester);
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expect(modelA.elevation, equals(0.0));
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await tester.pumpWidget(buildMaterial(elevation: 9.0));
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final RenderPhysicalShape modelB = getModel(tester);
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expect(modelB.elevation, equals(0.0));
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await tester.pump(const Duration(milliseconds: 1));
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final RenderPhysicalShape modelC = getModel(tester);
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expect(modelC.elevation, closeTo(0.0, 0.001));
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await tester.pump(kThemeChangeDuration ~/ 2);
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final RenderPhysicalShape modelD = getModel(tester);
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expect(modelD.elevation, isNot(closeTo(0.0, 0.001)));
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await tester.pump(kThemeChangeDuration);
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final RenderPhysicalShape modelE = getModel(tester);
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expect(modelE.elevation, equals(9.0));
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});
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testWidgets('Shadow colors animate smoothly', (WidgetTester tester) async {
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// This code verifies that the PhysicalModel's shadowColor animates over
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// a kThemeChangeDuration time interval.
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await tester.pumpWidget(buildMaterial(shadowColor: const Color(0xFF00FF00)));
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final RenderPhysicalShape modelA = getModel(tester);
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expect(modelA.shadowColor, equals(const Color(0xFF00FF00)));
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await tester.pumpWidget(buildMaterial(shadowColor: const Color(0xFFFF0000)));
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final RenderPhysicalShape modelB = getModel(tester);
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expect(modelB.shadowColor, equals(const Color(0xFF00FF00)));
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await tester.pump(const Duration(milliseconds: 1));
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final RenderPhysicalShape modelC = getModel(tester);
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expect(modelC.shadowColor, within<Color>(distance: 1, from: const Color(0xFF00FF00)));
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await tester.pump(kThemeChangeDuration ~/ 2);
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final RenderPhysicalShape modelD = getModel(tester);
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expect(modelD.shadowColor, isNot(within<Color>(distance: 1, from: const Color(0xFF00FF00))));
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await tester.pump(kThemeChangeDuration);
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final RenderPhysicalShape modelE = getModel(tester);
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expect(modelE.shadowColor, equals(const Color(0xFFFF0000)));
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});
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group('Elevation Overlay', () {
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testWidgets('applyElevationOverlayColor set to false does not change surface color', (WidgetTester tester) async {
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const Color surfaceColor = Color(0xFF121212);
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await tester.pumpWidget(Theme(
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data: ThemeData(
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applyElevationOverlayColor: false,
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colorScheme: const ColorScheme.dark().copyWith(surface: surfaceColor),
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),
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child: buildMaterial(color: surfaceColor, elevation: 8.0))
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);
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final RenderPhysicalShape model = getModel(tester);
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expect(model.color, equals(surfaceColor));
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});
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testWidgets('applyElevationOverlayColor set to true overlays a transparent white on surface color', (WidgetTester tester) async {
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// The colors we should get with a base surface color of 0xFF121212 for
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// a given elevation
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const List<ElevationColor> elevationColors = <ElevationColor>[
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ElevationColor(0.0, Color(0xFF121212)),
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ElevationColor(1.0, Color(0xFF1E1E1E)),
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ElevationColor(2.0, Color(0xFF222222)),
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ElevationColor(3.0, Color(0xFF252525)),
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ElevationColor(4.0, Color(0xFF282828)),
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ElevationColor(6.0, Color(0xFF2B2B2B)),
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ElevationColor(8.0, Color(0xFF2D2D2D)),
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ElevationColor(12.0, Color(0xFF323232)),
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ElevationColor(16.0, Color(0xFF353535)),
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ElevationColor(24.0, Color(0xFF393939)),
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];
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const Color surfaceColor = Color(0xFF121212);
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for (ElevationColor test in elevationColors) {
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await tester.pumpWidget(
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Theme(
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data: ThemeData(
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applyElevationOverlayColor: true,
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colorScheme: const ColorScheme.dark().copyWith(surface: surfaceColor),
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),
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child: buildMaterial(
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color: surfaceColor,
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elevation: test.elevation,
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),
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)
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);
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await tester.pumpAndSettle(); // wait for the elevation animation to finish
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final RenderPhysicalShape model = getModel(tester);
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expect(model.color, equals(test.color));
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}
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});
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testWidgets('overlay will only apply to materials using colorScheme.surface', (WidgetTester tester) async {
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await tester.pumpWidget(
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Theme(
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data: ThemeData(
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applyElevationOverlayColor: true,
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colorScheme: const ColorScheme.dark().copyWith(surface: const Color(0xFF121212)),
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),
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child: buildMaterial(
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color: Colors.cyan,
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elevation: 8.0
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),
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)
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);
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final RenderPhysicalShape model = getModel(tester);
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expect(model.color, equals(Colors.cyan));
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});
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});
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group('Transparency clipping', () {
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testWidgets('No clip by default', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.transparency,
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child: const SizedBox(width: 100.0, height: 100.0),
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)
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);
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expect(find.byKey(materialKey), hasNoImmediateClip);
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});
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testWidgets('clips to bounding rect by default given Clip.antiAlias', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.transparency,
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child: const SizedBox(width: 100.0, height: 100.0),
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clipBehavior: Clip.antiAlias,
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)
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);
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expect(find.byKey(materialKey), clipsWithBoundingRect);
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});
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testWidgets('clips to rounded rect when borderRadius provided given Clip.antiAlias', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.transparency,
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borderRadius: const BorderRadius.all(Radius.circular(10.0)),
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child: const SizedBox(width: 100.0, height: 100.0),
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clipBehavior: Clip.antiAlias,
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)
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);
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expect(
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find.byKey(materialKey),
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clipsWithBoundingRRect(
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borderRadius: const BorderRadius.all(Radius.circular(10.0))
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),
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);
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});
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testWidgets('clips to shape when provided given Clip.antiAlias', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.transparency,
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shape: const StadiumBorder(),
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child: const SizedBox(width: 100.0, height: 100.0),
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clipBehavior: Clip.antiAlias,
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)
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);
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expect(
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find.byKey(materialKey),
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clipsWithShapeBorder(
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shape: const StadiumBorder(),
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),
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);
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});
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testWidgets('supports directional clips', (WidgetTester tester) async {
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final List<String> logs = <String>[];
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final ShapeBorder shape = TestBorder((String message) { logs.add(message); });
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Widget buildMaterial() {
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return Material(
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type: MaterialType.transparency,
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shape: shape,
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child: const SizedBox(width: 100.0, height: 100.0),
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clipBehavior: Clip.antiAlias,
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);
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}
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final Widget material = buildMaterial();
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// verify that a regular clip works as one would expect
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logs.add('--0');
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await tester.pumpWidget(material);
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// verify that pumping again doesn't recompute the clip
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// even though the widget itself is new (the shape doesn't change identity)
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logs.add('--1');
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await tester.pumpWidget(buildMaterial());
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// verify that Material passes the TextDirection on to its shape when it's transparent
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logs.add('--2');
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await tester.pumpWidget(Directionality(
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textDirection: TextDirection.ltr,
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child: material,
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));
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// verify that changing the text direction from LTR to RTL has an effect
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// even though the widget itself is identical
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logs.add('--3');
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await tester.pumpWidget(Directionality(
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textDirection: TextDirection.rtl,
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child: material,
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));
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// verify that pumping again with a text direction has no effect
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logs.add('--4');
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await tester.pumpWidget(Directionality(
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textDirection: TextDirection.rtl,
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child: buildMaterial(),
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));
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logs.add('--5');
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// verify that changing the text direction and the widget at the same time
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// works as expected
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await tester.pumpWidget(Directionality(
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textDirection: TextDirection.ltr,
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child: material,
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));
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expect(logs, <String>[
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'--0',
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'getOuterPath Rect.fromLTRB(0.0, 0.0, 800.0, 600.0) null',
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'paint Rect.fromLTRB(0.0, 0.0, 800.0, 600.0) null',
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'--1',
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'--2',
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'getOuterPath Rect.fromLTRB(0.0, 0.0, 800.0, 600.0) TextDirection.ltr',
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'paint Rect.fromLTRB(0.0, 0.0, 800.0, 600.0) TextDirection.ltr',
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'--3',
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'getOuterPath Rect.fromLTRB(0.0, 0.0, 800.0, 600.0) TextDirection.rtl',
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'paint Rect.fromLTRB(0.0, 0.0, 800.0, 600.0) TextDirection.rtl',
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'--4',
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'--5',
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'getOuterPath Rect.fromLTRB(0.0, 0.0, 800.0, 600.0) TextDirection.ltr',
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'paint Rect.fromLTRB(0.0, 0.0, 800.0, 600.0) TextDirection.ltr',
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]);
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});
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});
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group('PhysicalModels', () {
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testWidgets('canvas', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.canvas,
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child: const SizedBox(width: 100.0, height: 100.0),
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)
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);
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expect(find.byKey(materialKey), rendersOnPhysicalModel(
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shape: BoxShape.rectangle,
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borderRadius: BorderRadius.zero,
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elevation: 0.0,
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));
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});
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testWidgets('canvas with borderRadius and elevation', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.canvas,
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borderRadius: const BorderRadius.all(Radius.circular(5.0)),
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child: const SizedBox(width: 100.0, height: 100.0),
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elevation: 1.0,
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)
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);
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expect(find.byKey(materialKey), rendersOnPhysicalModel(
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shape: BoxShape.rectangle,
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borderRadius: const BorderRadius.all(Radius.circular(5.0)),
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elevation: 1.0,
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));
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});
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testWidgets('canvas with shape and elevation', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.canvas,
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shape: const StadiumBorder(),
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child: const SizedBox(width: 100.0, height: 100.0),
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elevation: 1.0,
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)
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);
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expect(find.byKey(materialKey), rendersOnPhysicalShape(
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shape: const StadiumBorder(),
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elevation: 1.0,
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));
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});
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testWidgets('card', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.card,
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child: const SizedBox(width: 100.0, height: 100.0),
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)
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);
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expect(find.byKey(materialKey), rendersOnPhysicalModel(
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shape: BoxShape.rectangle,
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borderRadius: const BorderRadius.all(Radius.circular(2.0)),
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elevation: 0.0,
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));
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});
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testWidgets('card with borderRadius and elevation', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.card,
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borderRadius: const BorderRadius.all(Radius.circular(5.0)),
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elevation: 5.0,
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child: const SizedBox(width: 100.0, height: 100.0),
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)
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);
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expect(find.byKey(materialKey), rendersOnPhysicalModel(
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shape: BoxShape.rectangle,
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borderRadius: const BorderRadius.all(Radius.circular(5.0)),
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elevation: 5.0,
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));
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});
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testWidgets('card with shape and elevation', (WidgetTester tester) async {
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final GlobalKey materialKey = GlobalKey();
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await tester.pumpWidget(
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Material(
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key: materialKey,
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type: MaterialType.card,
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shape: const StadiumBorder(),
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elevation: 5.0,
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child: const SizedBox(width: 100.0, height: 100.0),
|
|
)
|
|
);
|
|
|
|
expect(find.byKey(materialKey), rendersOnPhysicalShape(
|
|
shape: const StadiumBorder(),
|
|
elevation: 5.0,
|
|
));
|
|
});
|
|
|
|
testWidgets('circle', (WidgetTester tester) async {
|
|
final GlobalKey materialKey = GlobalKey();
|
|
await tester.pumpWidget(
|
|
Material(
|
|
key: materialKey,
|
|
type: MaterialType.circle,
|
|
child: const SizedBox(width: 100.0, height: 100.0),
|
|
color: const Color(0xFF0000FF),
|
|
)
|
|
);
|
|
|
|
expect(find.byKey(materialKey), rendersOnPhysicalModel(
|
|
shape: BoxShape.circle,
|
|
elevation: 0.0,
|
|
));
|
|
});
|
|
|
|
testWidgets('button', (WidgetTester tester) async {
|
|
final GlobalKey materialKey = GlobalKey();
|
|
await tester.pumpWidget(
|
|
Material(
|
|
key: materialKey,
|
|
type: MaterialType.button,
|
|
child: const SizedBox(width: 100.0, height: 100.0),
|
|
color: const Color(0xFF0000FF),
|
|
)
|
|
);
|
|
|
|
expect(find.byKey(materialKey), rendersOnPhysicalModel(
|
|
shape: BoxShape.rectangle,
|
|
borderRadius: const BorderRadius.all(Radius.circular(2.0)),
|
|
elevation: 0.0,
|
|
));
|
|
});
|
|
|
|
testWidgets('button with elevation and borderRadius', (WidgetTester tester) async {
|
|
final GlobalKey materialKey = GlobalKey();
|
|
await tester.pumpWidget(
|
|
Material(
|
|
key: materialKey,
|
|
type: MaterialType.button,
|
|
child: const SizedBox(width: 100.0, height: 100.0),
|
|
color: const Color(0xFF0000FF),
|
|
borderRadius: const BorderRadius.all(Radius.circular(6.0)),
|
|
elevation: 4.0,
|
|
)
|
|
);
|
|
|
|
expect(find.byKey(materialKey), rendersOnPhysicalModel(
|
|
shape: BoxShape.rectangle,
|
|
borderRadius: const BorderRadius.all(Radius.circular(6.0)),
|
|
elevation: 4.0,
|
|
));
|
|
});
|
|
|
|
testWidgets('button with elevation and shape', (WidgetTester tester) async {
|
|
final GlobalKey materialKey = GlobalKey();
|
|
await tester.pumpWidget(
|
|
Material(
|
|
key: materialKey,
|
|
type: MaterialType.button,
|
|
child: const SizedBox(width: 100.0, height: 100.0),
|
|
color: const Color(0xFF0000FF),
|
|
shape: const StadiumBorder(),
|
|
elevation: 4.0,
|
|
)
|
|
);
|
|
|
|
expect(find.byKey(materialKey), rendersOnPhysicalShape(
|
|
shape: const StadiumBorder(),
|
|
elevation: 4.0,
|
|
));
|
|
});
|
|
});
|
|
|
|
group('Border painting', () {
|
|
testWidgets('border is painted on physical layers', (WidgetTester tester) async {
|
|
final GlobalKey materialKey = GlobalKey();
|
|
await tester.pumpWidget(
|
|
Material(
|
|
key: materialKey,
|
|
type: MaterialType.button,
|
|
child: const SizedBox(width: 100.0, height: 100.0),
|
|
color: const Color(0xFF0000FF),
|
|
shape: const CircleBorder(
|
|
side: BorderSide(
|
|
width: 2.0,
|
|
color: Color(0xFF0000FF),
|
|
),
|
|
),
|
|
)
|
|
);
|
|
|
|
final RenderBox box = tester.renderObject(find.byKey(materialKey));
|
|
expect(box, paints..circle());
|
|
});
|
|
|
|
testWidgets('border is painted for transparent material', (WidgetTester tester) async {
|
|
final GlobalKey materialKey = GlobalKey();
|
|
await tester.pumpWidget(
|
|
Material(
|
|
key: materialKey,
|
|
type: MaterialType.transparency,
|
|
child: const SizedBox(width: 100.0, height: 100.0),
|
|
shape: const CircleBorder(
|
|
side: BorderSide(
|
|
width: 2.0,
|
|
color: Color(0xFF0000FF),
|
|
),
|
|
),
|
|
)
|
|
);
|
|
|
|
final RenderBox box = tester.renderObject(find.byKey(materialKey));
|
|
expect(box, paints..circle());
|
|
});
|
|
|
|
testWidgets('border is not painted for when border side is none', (WidgetTester tester) async {
|
|
final GlobalKey materialKey = GlobalKey();
|
|
await tester.pumpWidget(
|
|
Material(
|
|
key: materialKey,
|
|
type: MaterialType.transparency,
|
|
child: const SizedBox(width: 100.0, height: 100.0),
|
|
shape: const CircleBorder(),
|
|
)
|
|
);
|
|
|
|
final RenderBox box = tester.renderObject(find.byKey(materialKey));
|
|
expect(box, isNot(paints..circle()));
|
|
});
|
|
|
|
testWidgets('border is painted above child by default', (WidgetTester tester) async {
|
|
final Key painterKey = UniqueKey();
|
|
|
|
await tester.pumpWidget(MaterialApp(
|
|
home: Scaffold(
|
|
body: RepaintBoundary(
|
|
key: painterKey,
|
|
child: Card(
|
|
child: SizedBox(
|
|
width: 200,
|
|
height: 300,
|
|
child: Material(
|
|
clipBehavior: Clip.hardEdge,
|
|
elevation: 0,
|
|
shape: RoundedRectangleBorder(
|
|
side: const BorderSide(color: Colors.grey, width: 6),
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
child: Column(
|
|
children: <Widget>[
|
|
Container(
|
|
color: Colors.green,
|
|
height: 150,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
));
|
|
|
|
await expectLater(
|
|
find.byKey(painterKey),
|
|
matchesGoldenFile(
|
|
'material.border_paint_above.png',
|
|
version: null,
|
|
),
|
|
skip: !isLinux,
|
|
);
|
|
}, skip: isBrowser);
|
|
|
|
testWidgets('border is painted below child when specified', (WidgetTester tester) async {
|
|
final Key painterKey = UniqueKey();
|
|
|
|
await tester.pumpWidget(MaterialApp(
|
|
home: Scaffold(
|
|
body: RepaintBoundary(
|
|
key: painterKey,
|
|
child: Card(
|
|
child: SizedBox(
|
|
width: 200,
|
|
height: 300,
|
|
child: Material(
|
|
clipBehavior: Clip.hardEdge,
|
|
elevation: 0,
|
|
shape: RoundedRectangleBorder(
|
|
side: const BorderSide(color: Colors.grey, width: 6),
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
borderOnForeground: false,
|
|
child: Column(
|
|
children: <Widget>[
|
|
Container(
|
|
color: Colors.green,
|
|
height: 150,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
));
|
|
|
|
await expectLater(
|
|
find.byKey(painterKey),
|
|
matchesGoldenFile(
|
|
'material.border_paint_below.png',
|
|
version: null,
|
|
),
|
|
skip: !isLinux,
|
|
);
|
|
}, skip: isBrowser);
|
|
});
|
|
}
|