flutter/packages/flutter_test/test/multi_view_testing.dart
Michael Goderbauer 5491c8c146
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---------

Co-authored-by: Kate Lovett <katelovett@google.com>
Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
2024-12-19 20:06:21 +00:00

35 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.
import 'dart:ui';
import 'package:flutter_test/flutter_test.dart';
class FakeView extends TestFlutterView {
FakeView(FlutterView view, {this.viewId = 100})
: super(
view: view,
platformDispatcher: view.platformDispatcher as TestPlatformDispatcher,
display: view.display as TestDisplay,
);
@override
final int viewId;
@override
void render(Scene scene, {Size? size}) {
// Do not render the scene in the engine. The engine only observes one
// instance of FlutterView (the _view), and it is generally expected that
// the framework will render no more than one `Scene` per frame.
}
@override
void updateSemantics(SemanticsUpdate update) {
// Do not send the update to the engine. The engine only observes one
// instance of FlutterView (the _view). Sending semantic updates meant for
// different views to the same engine view does not work as the updates do
// not produce consistent semantics trees.
}
}