blob: fd3cedaab97381b8882df961f22b43cef28a2742 [file] [log] [blame]
// 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 'package:flutter_test/flutter_test.dart';
import 'package:flutter/gestures.dart';
import 'gesture_tester.dart';
void main() {
setUp(ensureGestureBinding);
testGesture('GestureArenaTeam rejection test', (GestureTester tester) {
final GestureArenaTeam team = GestureArenaTeam();
final HorizontalDragGestureRecognizer horizontalDrag = HorizontalDragGestureRecognizer()..team = team;
final VerticalDragGestureRecognizer verticalDrag = VerticalDragGestureRecognizer()..team = team;
final TapGestureRecognizer tap = TapGestureRecognizer();
expect(horizontalDrag.team, equals(team));
expect(verticalDrag.team, equals(team));
expect(tap.team, isNull);
final List<String> log = <String>[];
horizontalDrag.onStart = (DragStartDetails details) { log.add('horizontal-drag-start'); };
verticalDrag.onStart = (DragStartDetails details) { log.add('vertical-drag-start'); };
tap.onTap = () { log.add('tap'); };
void test(Offset delta) {
const Offset origin = Offset(10.0, 10.0);
final TestPointer pointer = TestPointer(5);
final PointerDownEvent down = pointer.down(origin);
horizontalDrag.addPointer(down);
verticalDrag.addPointer(down);
tap.addPointer(down);
expect(log, isEmpty);
tester.closeArena(5);
expect(log, isEmpty);
tester.route(down);
expect(log, isEmpty);
tester.route(pointer.move(origin + delta));
tester.route(pointer.up());
}
test(Offset.zero);
expect(log, <String>['tap']);
log.clear();
test(const Offset(0.0, 30.0));
expect(log, <String>['vertical-drag-start']);
log.clear();
horizontalDrag.dispose();
verticalDrag.dispose();
tap.dispose();
});
testGesture('GestureArenaTeam captain', (GestureTester tester) {
final GestureArenaTeam team = GestureArenaTeam();
final PassiveGestureRecognizer captain = PassiveGestureRecognizer()..team = team;
final HorizontalDragGestureRecognizer horizontalDrag = HorizontalDragGestureRecognizer()..team = team;
final VerticalDragGestureRecognizer verticalDrag = VerticalDragGestureRecognizer()..team = team;
final TapGestureRecognizer tap = TapGestureRecognizer();
team.captain = captain;
final List<String> log = <String>[];
captain.onGestureAccepted = () { log.add('captain accepted gesture'); };
horizontalDrag.onStart = (DragStartDetails details) { log.add('horizontal-drag-start'); };
verticalDrag.onStart = (DragStartDetails details) { log.add('vertical-drag-start'); };
tap.onTap = () { log.add('tap'); };
void test(Offset delta) {
const Offset origin = Offset(10.0, 10.0);
final TestPointer pointer = TestPointer(5);
final PointerDownEvent down = pointer.down(origin);
captain.addPointer(down);
horizontalDrag.addPointer(down);
verticalDrag.addPointer(down);
tap.addPointer(down);
expect(log, isEmpty);
tester.closeArena(5);
expect(log, isEmpty);
tester.route(down);
expect(log, isEmpty);
tester.route(pointer.move(origin + delta));
tester.route(pointer.up());
}
test(Offset.zero);
expect(log, <String>['tap']);
log.clear();
test(const Offset(0.0, 30.0));
expect(log, <String>['captain accepted gesture']);
log.clear();
horizontalDrag.dispose();
verticalDrag.dispose();
tap.dispose();
captain.dispose();
});
}
typedef GestureAcceptedCallback = void Function();
class PassiveGestureRecognizer extends OneSequenceGestureRecognizer {
GestureAcceptedCallback onGestureAccepted;
@override
void addPointer(PointerDownEvent event) {
startTrackingPointer(event.pointer);
}
@override
String get debugDescription => 'passive';
@override
void didStopTrackingLastPointer(int pointer) {
resolve(GestureDisposition.rejected);
}
@override
void handleEvent(PointerEvent event) {
if (event is PointerUpEvent || event is PointerCancelEvent) {
stopTrackingPointer(event.pointer);
}
}
@override
void acceptGesture(int pointer) {
if (onGestureAccepted != null) {
onGestureAccepted();
}
}
@override
void rejectGesture(int pointer) { }
}