41 lines
1.2 KiB
Dart
41 lines
1.2 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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import 'package:flutter/widgets.dart';
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typedef OnObservation = void Function(Route<dynamic>? route, Route<dynamic>? previousRoute);
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/// A trivial observer for testing the navigator.
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class TestObserver extends NavigatorObserver {
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OnObservation? onPushed;
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OnObservation? onPopped;
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OnObservation? onRemoved;
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OnObservation? onReplaced;
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OnObservation? onStartUserGesture;
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@override
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void didPush(Route<dynamic> route, Route<dynamic>? previousRoute) {
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onPushed?.call(route, previousRoute);
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}
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@override
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void didPop(Route<dynamic> route, Route<dynamic>? previousRoute) {
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onPopped?.call(route, previousRoute);
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}
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@override
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void didRemove(Route<dynamic> route, Route<dynamic>? previousRoute) {
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onRemoved?.call(route, previousRoute);
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}
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@override
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void didReplace({Route<dynamic>? oldRoute, Route<dynamic>? newRoute}) {
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onReplaced?.call(newRoute, oldRoute);
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}
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@override
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void didStartUserGesture(Route<dynamic> route, Route<dynamic>? previousRoute) {
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onStartUserGesture?.call(route, previousRoute);
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}
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}
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