| // 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/gestures.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import 'gesture_tester.dart'; |
| |
| void main() { |
| TestWidgetsFlutterBinding.ensureInitialized(); |
| |
| testGesture('Should recognize pan', (GestureTester tester) { |
| final PanGestureRecognizer pan = PanGestureRecognizer(); |
| final TapGestureRecognizer tap = TapGestureRecognizer()..onTap = () {}; |
| addTearDown(pan.dispose); |
| addTearDown(tap.dispose); |
| |
| bool didStartPan = false; |
| pan.onStart = (_) { |
| didStartPan = true; |
| }; |
| |
| Offset? updatedScrollDelta; |
| pan.onUpdate = (DragUpdateDetails details) { |
| updatedScrollDelta = details.delta; |
| }; |
| |
| bool didEndPan = false; |
| pan.onEnd = (DragEndDetails details) { |
| didEndPan = true; |
| }; |
| |
| bool didTap = false; |
| tap.onTap = () { |
| didTap = true; |
| }; |
| |
| final TestPointer pointer = TestPointer(5); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| pan.addPointer(down); |
| tap.addPointer(down); |
| tester.closeArena(5); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| expect(didTap, isFalse); |
| |
| tester.route(down); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| expect(didTap, isFalse); |
| |
| // touch should give up when it hits kTouchSlop, which was 18.0 when this test was last updated. |
| |
| tester.route(pointer.move(const Offset(20.0, 20.0))); // moved 10 horizontally and 10 vertically which is 14 total |
| expect(didStartPan, isFalse); // 14 < 18 |
| tester.route(pointer.move(const Offset(20.0, 30.0))); // moved 10 horizontally and 20 vertically which is 22 total |
| expect(didStartPan, isTrue); // 22 > 18 |
| didStartPan = false; |
| expect(didEndPan, isFalse); |
| expect(didTap, isFalse); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, const Offset(0.0, -5.0)); |
| updatedScrollDelta = null; |
| expect(didEndPan, isFalse); |
| expect(didTap, isFalse); |
| |
| tester.route(pointer.up()); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isTrue); |
| didEndPan = false; |
| expect(didTap, isFalse); |
| }); |
| |
| testGesture('Should report most recent point to onStart by default', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer(); |
| final VerticalDragGestureRecognizer competingDrag = VerticalDragGestureRecognizer() |
| ..onStart = (_) {}; |
| addTearDown(() => drag.dispose); |
| addTearDown(() => competingDrag.dispose); |
| |
| late Offset positionAtOnStart; |
| drag.onStart = (DragStartDetails details) { |
| positionAtOnStart = details.globalPosition; |
| }; |
| |
| final TestPointer pointer = TestPointer(5); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down); |
| competingDrag.addPointer(down); |
| tester.closeArena(5); |
| tester.route(down); |
| |
| tester.route(pointer.move(const Offset(30.0, 0.0))); |
| expect(positionAtOnStart, const Offset(30.0, 00.0)); |
| }); |
| |
| testGesture('Should report most recent point to onStart with a start configuration', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer(); |
| final VerticalDragGestureRecognizer competingDrag = VerticalDragGestureRecognizer() |
| ..onStart = (_) {}; |
| addTearDown(() => drag.dispose); |
| addTearDown(() => competingDrag.dispose); |
| |
| Offset? positionAtOnStart; |
| drag.onStart = (DragStartDetails details) { |
| positionAtOnStart = details.globalPosition; |
| }; |
| Offset? updateOffset; |
| drag.onUpdate = (DragUpdateDetails details) { |
| updateOffset = details.globalPosition; |
| }; |
| |
| final TestPointer pointer = TestPointer(5); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down); |
| competingDrag.addPointer(down); |
| tester.closeArena(5); |
| tester.route(down); |
| |
| tester.route(pointer.move(const Offset(30.0, 0.0))); |
| |
| expect(positionAtOnStart, const Offset(30.0, 0.0)); |
| expect(updateOffset, null); |
| }); |
| |
| testGesture('Should recognize drag', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| bool didStartDrag = false; |
| drag.onStart = (_) { |
| didStartDrag = true; |
| }; |
| |
| double? updatedDelta; |
| drag.onUpdate = (DragUpdateDetails details) { |
| updatedDelta = details.primaryDelta; |
| }; |
| |
| bool didEndDrag = false; |
| drag.onEnd = (DragEndDetails details) { |
| didEndDrag = true; |
| }; |
| |
| final TestPointer pointer = TestPointer(5); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down); |
| tester.closeArena(5); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(down); |
| expect(didStartDrag, isTrue); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| expect(didStartDrag, isTrue); |
| didStartDrag = false; |
| expect(updatedDelta, 10.0); |
| updatedDelta = null; |
| expect(didEndDrag, isFalse); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, 0.0); |
| updatedDelta = null; |
| expect(didEndDrag, isFalse); |
| |
| tester.route(pointer.up()); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isTrue); |
| didEndDrag = false; |
| }); |
| |
| testGesture('Should reject mouse drag when configured to ignore mouse pointers - Horizontal', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer(supportedDevices: <PointerDeviceKind>{ |
| PointerDeviceKind.touch, |
| }) ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| bool didStartDrag = false; |
| drag.onStart = (_) { |
| didStartDrag = true; |
| }; |
| |
| double? updatedDelta; |
| drag.onUpdate = (DragUpdateDetails details) { |
| updatedDelta = details.primaryDelta; |
| }; |
| |
| bool didEndDrag = false; |
| drag.onEnd = (DragEndDetails details) { |
| didEndDrag = true; |
| }; |
| |
| final TestPointer pointer = TestPointer(5, PointerDeviceKind.mouse); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down); |
| tester.closeArena(5); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(down); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(pointer.up()); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| }); |
| |
| testGesture('Should reject mouse drag when configured to ignore mouse pointers - Vertical', (GestureTester tester) { |
| final VerticalDragGestureRecognizer drag = VerticalDragGestureRecognizer(supportedDevices: <PointerDeviceKind>{ |
| PointerDeviceKind.touch, |
| })..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| bool didStartDrag = false; |
| drag.onStart = (_) { |
| didStartDrag = true; |
| }; |
| |
| double? updatedDelta; |
| drag.onUpdate = (DragUpdateDetails details) { |
| updatedDelta = details.primaryDelta; |
| }; |
| |
| bool didEndDrag = false; |
| drag.onEnd = (DragEndDetails details) { |
| didEndDrag = true; |
| }; |
| |
| final TestPointer pointer = TestPointer(5, PointerDeviceKind.mouse); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down); |
| tester.closeArena(5); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(down); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(pointer.move(const Offset(25.0, 20.0))); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(pointer.move(const Offset(25.0, 20.0))); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(pointer.up()); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| }); |
| |
| testGesture('DragGestureRecognizer.onStart behavior test', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() |
| ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| Duration? startTimestamp; |
| Offset? positionAtOnStart; |
| drag.onStart = (DragStartDetails details) { |
| startTimestamp = details.sourceTimeStamp; |
| positionAtOnStart = details.globalPosition; |
| }; |
| |
| Duration? updatedTimestamp; |
| Offset? updateDelta; |
| drag.onUpdate = (DragUpdateDetails details) { |
| updatedTimestamp = details.sourceTimeStamp; |
| updateDelta = details.delta; |
| }; |
| |
| // No competing, dragStartBehavior == DragStartBehavior.down |
| final TestPointer pointer = TestPointer(5); |
| PointerDownEvent down = pointer.down(const Offset(10.0, 10.0), timeStamp: const Duration(milliseconds: 100)); |
| drag.addPointer(down); |
| tester.closeArena(5); |
| expect(startTimestamp, isNull); |
| expect(positionAtOnStart, isNull); |
| expect(updatedTimestamp, isNull); |
| |
| tester.route(down); |
| // The only horizontal drag gesture win the arena when the pointer down. |
| expect(startTimestamp, const Duration(milliseconds: 100)); |
| expect(positionAtOnStart, const Offset(10.0, 10.0)); |
| expect(updatedTimestamp, isNull); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0), timeStamp: const Duration(milliseconds: 200))); |
| expect(updatedTimestamp, const Duration(milliseconds: 200)); |
| expect(updateDelta, const Offset(10.0, 0.0)); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0), timeStamp: const Duration(milliseconds: 300))); |
| expect(updatedTimestamp, const Duration(milliseconds: 300)); |
| expect(updateDelta, Offset.zero); |
| tester.route(pointer.up()); |
| |
| // No competing, dragStartBehavior == DragStartBehavior.start |
| // When there are no other gestures competing with this gesture in the arena, |
| // there's no difference in behavior between the two settings. |
| drag.dragStartBehavior = DragStartBehavior.start; |
| startTimestamp = null; |
| positionAtOnStart = null; |
| updatedTimestamp = null; |
| updateDelta = null; |
| |
| down = pointer.down(const Offset(10.0, 10.0), timeStamp: const Duration(milliseconds: 400)); |
| drag.addPointer(down); |
| tester.closeArena(5); |
| tester.route(down); |
| |
| expect(startTimestamp, const Duration(milliseconds: 400)); |
| expect(positionAtOnStart, const Offset(10.0, 10.0)); |
| expect(updatedTimestamp, isNull); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0), timeStamp: const Duration(milliseconds: 500))); |
| expect(updatedTimestamp, const Duration(milliseconds: 500)); |
| tester.route(pointer.up()); |
| |
| // With competing, dragStartBehavior == DragStartBehavior.start |
| startTimestamp = null; |
| positionAtOnStart = null; |
| updatedTimestamp = null; |
| updateDelta = null; |
| |
| final VerticalDragGestureRecognizer competingDrag = VerticalDragGestureRecognizer() |
| ..onStart = (_) {}; |
| addTearDown(() => competingDrag.dispose); |
| |
| down = pointer.down(const Offset(10.0, 10.0), timeStamp: const Duration(milliseconds: 600)); |
| drag.addPointer(down); |
| competingDrag.addPointer(down); |
| tester.closeArena(5); |
| tester.route(down); |
| |
| // The pointer down event do not trigger anything. |
| expect(startTimestamp, isNull); |
| expect(positionAtOnStart, isNull); |
| expect(updatedTimestamp, isNull); |
| |
| tester.route(pointer.move(const Offset(30.0, 10.0), timeStamp: const Duration(milliseconds: 700))); |
| expect(startTimestamp, const Duration(milliseconds: 700)); |
| // Using the position of the pointer at the time this gesture recognizer won the arena. |
| expect(positionAtOnStart, const Offset(30.0, 10.0)); |
| expect(updatedTimestamp, isNull); // Do not trigger an update event. |
| tester.route(pointer.up()); |
| |
| // With competing, dragStartBehavior == DragStartBehavior.down |
| drag.dragStartBehavior = DragStartBehavior.down; |
| startTimestamp = null; |
| positionAtOnStart = null; |
| updatedTimestamp = null; |
| updateDelta = null; |
| |
| down = pointer.down(const Offset(10.0, 10.0), timeStamp: const Duration(milliseconds: 800)); |
| drag.addPointer(down); |
| competingDrag.addPointer(down); |
| tester.closeArena(5); |
| tester.route(down); |
| |
| expect(startTimestamp, isNull); |
| expect(positionAtOnStart, isNull); |
| expect(updatedTimestamp, isNull); |
| |
| tester.route(pointer.move(const Offset(30.0, 10.0), timeStamp: const Duration(milliseconds: 900))); |
| expect(startTimestamp, const Duration(milliseconds: 900)); |
| // Using the position of the first detected down event for the pointer. |
| expect(positionAtOnStart, const Offset(10.0, 10.0)); |
| expect(updatedTimestamp, const Duration(milliseconds: 900)); // Also, trigger an update event. |
| expect(updateDelta, const Offset(20.0, 0.0)); |
| tester.route(pointer.up()); |
| }); |
| |
| testGesture('Should report original timestamps', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| Duration? startTimestamp; |
| drag.onStart = (DragStartDetails details) { |
| startTimestamp = details.sourceTimeStamp; |
| }; |
| |
| Duration? updatedTimestamp; |
| drag.onUpdate = (DragUpdateDetails details) { |
| updatedTimestamp = details.sourceTimeStamp; |
| }; |
| |
| final TestPointer pointer = TestPointer(5); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0), timeStamp: const Duration(milliseconds: 100)); |
| drag.addPointer(down); |
| tester.closeArena(5); |
| expect(startTimestamp, isNull); |
| |
| tester.route(down); |
| expect(startTimestamp, const Duration(milliseconds: 100)); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0), timeStamp: const Duration(milliseconds: 200))); |
| expect(updatedTimestamp, const Duration(milliseconds: 200)); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0), timeStamp: const Duration(milliseconds: 300))); |
| expect(updatedTimestamp, const Duration(milliseconds: 300)); |
| }); |
| |
| testGesture('Should report initial down point to onStart with a down configuration', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() |
| ..dragStartBehavior = DragStartBehavior.down; |
| final VerticalDragGestureRecognizer competingDrag = VerticalDragGestureRecognizer() |
| ..dragStartBehavior = DragStartBehavior.down |
| ..onStart = (_) {}; |
| addTearDown(() => drag.dispose); |
| addTearDown(() => competingDrag.dispose); |
| |
| Offset? positionAtOnStart; |
| drag.onStart = (DragStartDetails details) { |
| positionAtOnStart = details.globalPosition; |
| }; |
| Offset? updateOffset; |
| Offset? updateDelta; |
| drag.onUpdate = (DragUpdateDetails details) { |
| updateOffset = details.globalPosition; |
| updateDelta = details.delta; |
| }; |
| |
| final TestPointer pointer = TestPointer(5); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down); |
| competingDrag.addPointer(down); |
| tester.closeArena(5); |
| tester.route(down); |
| |
| tester.route(pointer.move(const Offset(30.0, 0.0))); |
| expect(positionAtOnStart, const Offset(10.0, 10.0)); |
| |
| // The drag is horizontal so we're going to ignore the vertical delta position |
| // when calculating the new global position. |
| expect(updateOffset, const Offset(30.0, 10.0)); |
| expect(updateDelta, const Offset(20.0, 0.0)); |
| }); |
| |
| testGesture('Drag with multiple pointers in down behavior', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag1 = |
| HorizontalDragGestureRecognizer() ..dragStartBehavior = DragStartBehavior.down; |
| final VerticalDragGestureRecognizer drag2 = |
| VerticalDragGestureRecognizer() ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(() => drag1.dispose); |
| addTearDown(() => drag2.dispose); |
| |
| final List<String> log = <String>[]; |
| drag1.onDown = (_) { log.add('drag1-down'); }; |
| drag1.onStart = (_) { log.add('drag1-start'); }; |
| drag1.onUpdate = (_) { log.add('drag1-update'); }; |
| drag1.onEnd = (_) { log.add('drag1-end'); }; |
| drag1.onCancel = () { log.add('drag1-cancel'); }; |
| drag2.onDown = (_) { log.add('drag2-down'); }; |
| drag2.onStart = (_) { log.add('drag2-start'); }; |
| drag2.onUpdate = (_) { log.add('drag2-update'); }; |
| drag2.onEnd = (_) { log.add('drag2-end'); }; |
| drag2.onCancel = () { log.add('drag2-cancel'); }; |
| |
| final TestPointer pointer5 = TestPointer(5); |
| final PointerDownEvent down5 = pointer5.down(const Offset(10.0, 10.0)); |
| drag1.addPointer(down5); |
| drag2.addPointer(down5); |
| tester.closeArena(5); |
| tester.route(down5); |
| log.add('-a'); |
| |
| tester.route(pointer5.move(const Offset(100.0, 0.0))); |
| log.add('-b'); |
| tester.route(pointer5.move(const Offset(50.0, 50.0))); |
| log.add('-c'); |
| |
| final TestPointer pointer6 = TestPointer(6); |
| final PointerDownEvent down6 = pointer6.down(const Offset(20.0, 20.0)); |
| drag1.addPointer(down6); |
| drag2.addPointer(down6); |
| tester.closeArena(6); |
| tester.route(down6); |
| log.add('-d'); |
| |
| tester.route(pointer5.move(const Offset(0.0, 100.0))); |
| log.add('-e'); |
| tester.route(pointer5.move(const Offset(70.0, 70.0))); |
| log.add('-f'); |
| |
| tester.route(pointer5.up()); |
| tester.route(pointer6.up()); |
| |
| expect(log, <String>[ |
| 'drag1-down', |
| 'drag2-down', |
| '-a', |
| 'drag2-cancel', |
| 'drag1-start', |
| 'drag1-update', |
| '-b', |
| 'drag1-update', |
| '-c', |
| 'drag2-down', |
| 'drag2-cancel', |
| '-d', |
| 'drag1-update', |
| '-e', |
| 'drag1-update', |
| '-f', |
| 'drag1-end', |
| ]); |
| }); |
| |
| testGesture('Clamp max velocity', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| late Velocity velocity; |
| double? primaryVelocity; |
| drag.onEnd = (DragEndDetails details) { |
| velocity = details.velocity; |
| primaryVelocity = details.primaryVelocity; |
| }; |
| |
| final TestPointer pointer = TestPointer(5); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 25.0), timeStamp: const Duration(milliseconds: 10)); |
| drag.addPointer(down); |
| tester.closeArena(5); |
| tester.route(down); |
| tester.route(pointer.move(const Offset(20.0, 25.0), timeStamp: const Duration(milliseconds: 10))); |
| tester.route(pointer.move(const Offset(30.0, 25.0), timeStamp: const Duration(milliseconds: 11))); |
| tester.route(pointer.move(const Offset(40.0, 25.0), timeStamp: const Duration(milliseconds: 12))); |
| tester.route(pointer.move(const Offset(50.0, 25.0), timeStamp: const Duration(milliseconds: 13))); |
| tester.route(pointer.move(const Offset(60.0, 25.0), timeStamp: const Duration(milliseconds: 14))); |
| tester.route(pointer.move(const Offset(70.0, 25.0), timeStamp: const Duration(milliseconds: 15))); |
| tester.route(pointer.move(const Offset(80.0, 25.0), timeStamp: const Duration(milliseconds: 16))); |
| tester.route(pointer.move(const Offset(90.0, 25.0), timeStamp: const Duration(milliseconds: 17))); |
| tester.route(pointer.move(const Offset(100.0, 25.0), timeStamp: const Duration(milliseconds: 18))); |
| tester.route(pointer.move(const Offset(110.0, 25.0), timeStamp: const Duration(milliseconds: 19))); |
| tester.route(pointer.move(const Offset(120.0, 25.0), timeStamp: const Duration(milliseconds: 20))); |
| tester.route(pointer.up(timeStamp: const Duration(milliseconds: 20))); |
| expect(velocity.pixelsPerSecond.dx, inInclusiveRange(0.99 * kMaxFlingVelocity, kMaxFlingVelocity)); |
| expect(velocity.pixelsPerSecond.dy, moreOrLessEquals(0.0)); |
| expect(primaryVelocity, velocity.pixelsPerSecond.dx); |
| }); |
| |
| testGesture('Synthesized pointer events are ignored for velocity tracking', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| late Velocity velocity; |
| drag.onEnd = (DragEndDetails details) { |
| velocity = details.velocity; |
| }; |
| |
| final TestPointer pointer = TestPointer(); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 25.0), timeStamp: const Duration(milliseconds: 10)); |
| drag.addPointer(down); |
| tester.closeArena(1); |
| tester.route(down); |
| tester.route(pointer.move(const Offset(20.0, 25.0), timeStamp: const Duration(milliseconds: 20))); |
| tester.route(pointer.move(const Offset(30.0, 25.0), timeStamp: const Duration(milliseconds: 30))); |
| tester.route(pointer.move(const Offset(40.0, 25.0), timeStamp: const Duration(milliseconds: 40))); |
| tester.route(pointer.move(const Offset(50.0, 25.0), timeStamp: const Duration(milliseconds: 50))); |
| tester.route(const PointerMoveEvent( |
| pointer: 1, |
| // Simulate a small synthesized wobble which would have slowed down the |
| // horizontal velocity from 1 px/ms and introduced a slight vertical velocity. |
| position: Offset(51.0, 26.0), |
| timeStamp: Duration(milliseconds: 60), |
| synthesized: true, |
| )); |
| tester.route(pointer.up(timeStamp: const Duration(milliseconds: 70))); |
| expect(velocity.pixelsPerSecond.dx, moreOrLessEquals(1000.0)); |
| expect(velocity.pixelsPerSecond.dy, moreOrLessEquals(0.0)); |
| }); |
| |
| /// Checks that quick flick gestures with 1 down, 2 move and 1 up pointer |
| /// events still have a velocity |
| testGesture('Quick flicks have velocity', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| late Velocity velocity; |
| drag.onEnd = (DragEndDetails details) { |
| velocity = details.velocity; |
| }; |
| |
| final TestPointer pointer = TestPointer(); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 25.0), timeStamp: const Duration(milliseconds: 10)); |
| drag.addPointer(down); |
| tester.closeArena(1); |
| tester.route(down); |
| tester.route(pointer.move(const Offset(20.0, 25.0), timeStamp: const Duration(milliseconds: 20))); |
| tester.route(pointer.move(const Offset(30.0, 25.0), timeStamp: const Duration(milliseconds: 30))); |
| tester.route(pointer.up(timeStamp: const Duration(milliseconds: 40))); |
| // 3 events moving by 10px every 10ms = 1000px/s. |
| expect(velocity.pixelsPerSecond.dx, moreOrLessEquals(1000.0)); |
| expect(velocity.pixelsPerSecond.dy, moreOrLessEquals(0.0)); |
| }); |
| |
| testGesture('Drag details', (GestureTester tester) { |
| expect(DragDownDetails(), hasOneLineDescription); |
| expect(DragStartDetails(), hasOneLineDescription); |
| expect(DragUpdateDetails(globalPosition: Offset.zero), hasOneLineDescription); |
| expect(DragEndDetails(), hasOneLineDescription); |
| }); |
| |
| testGesture('Should recognize drag', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| bool didStartDrag = false; |
| drag.onStart = (_) { |
| didStartDrag = true; |
| }; |
| |
| Offset? updateDelta; |
| double? updatePrimaryDelta; |
| drag.onUpdate = (DragUpdateDetails details) { |
| updateDelta = details.delta; |
| updatePrimaryDelta = details.primaryDelta; |
| }; |
| |
| bool didEndDrag = false; |
| drag.onEnd = (DragEndDetails details) { |
| didEndDrag = true; |
| }; |
| |
| final TestPointer pointer = TestPointer(5); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down); |
| tester.closeArena(5); |
| |
| expect(didStartDrag, isFalse); |
| expect(updateDelta, isNull); |
| expect(updatePrimaryDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(down); |
| expect(didStartDrag, isTrue); |
| expect(updateDelta, isNull); |
| expect(updatePrimaryDelta, isNull); |
| expect(didEndDrag, isFalse); |
| didStartDrag = false; |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| expect(didStartDrag, isFalse); |
| expect(updateDelta, const Offset(10.0, 0.0)); |
| expect(updatePrimaryDelta, 10.0); |
| expect(didEndDrag, isFalse); |
| updateDelta = null; |
| updatePrimaryDelta = null; |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| expect(didStartDrag, isFalse); |
| expect(updateDelta, Offset.zero); |
| expect(updatePrimaryDelta, 0.0); |
| expect(didEndDrag, isFalse); |
| updateDelta = null; |
| updatePrimaryDelta = null; |
| |
| tester.route(pointer.up()); |
| expect(didStartDrag, isFalse); |
| expect(updateDelta, isNull); |
| expect(updatePrimaryDelta, isNull); |
| expect(didEndDrag, isTrue); |
| didEndDrag = false; |
| }); |
| |
| testGesture('Should recognize drag', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| Offset? latestGlobalPosition; |
| drag.onStart = (DragStartDetails details) { |
| latestGlobalPosition = details.globalPosition; |
| }; |
| Offset? latestDelta; |
| drag.onUpdate = (DragUpdateDetails details) { |
| latestGlobalPosition = details.globalPosition; |
| latestDelta = details.delta; |
| }; |
| |
| final TestPointer pointer = TestPointer(5); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down); |
| tester.closeArena(5); |
| |
| tester.route(down); |
| expect(latestGlobalPosition, const Offset(10.0, 10.0)); |
| expect(latestDelta, isNull); |
| |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| expect(latestGlobalPosition, const Offset(20.0, 25.0)); |
| expect(latestDelta, const Offset(10.0, 0.0)); |
| |
| tester.route(pointer.move(const Offset(0.0, 45.0))); |
| expect(latestGlobalPosition, const Offset(0.0, 45.0)); |
| expect(latestDelta, const Offset(-20.0, 0.0)); |
| |
| tester.route(pointer.up()); |
| }); |
| |
| testGesture('Can filter drags based on device kind', (GestureTester tester) { |
| final HorizontalDragGestureRecognizer drag = |
| HorizontalDragGestureRecognizer( |
| kind: PointerDeviceKind.mouse, |
| ) |
| ..dragStartBehavior = DragStartBehavior.down; |
| addTearDown(drag.dispose); |
| |
| bool didStartDrag = false; |
| drag.onStart = (_) { |
| didStartDrag = true; |
| }; |
| |
| double? updatedDelta; |
| drag.onUpdate = (DragUpdateDetails details) { |
| updatedDelta = details.primaryDelta; |
| }; |
| |
| bool didEndDrag = false; |
| drag.onEnd = (DragEndDetails details) { |
| didEndDrag = true; |
| }; |
| |
| // Using a touch pointer to drag shouldn't be recognized. |
| final TestPointer touchPointer = TestPointer(5); |
| final PointerDownEvent touchDown = touchPointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(touchDown); |
| tester.closeArena(5); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(touchDown); |
| // Still doesn't recognize the drag because it's coming from a touch pointer. |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(touchPointer.move(const Offset(20.0, 25.0))); |
| // Still doesn't recognize the drag because it's coming from a touch pointer. |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(touchPointer.up()); |
| // Still doesn't recognize the drag because it's coming from a touch pointer. |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| // Using a mouse pointer to drag should be recognized. |
| final TestPointer mousePointer = TestPointer(5, PointerDeviceKind.mouse); |
| final PointerDownEvent mouseDown = mousePointer.down(const Offset(10.0, 10.0)); |
| drag.addPointer(mouseDown); |
| tester.closeArena(5); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(mouseDown); |
| expect(didStartDrag, isTrue); |
| didStartDrag = false; |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isFalse); |
| |
| tester.route(mousePointer.move(const Offset(20.0, 25.0))); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, 10.0); |
| updatedDelta = null; |
| expect(didEndDrag, isFalse); |
| |
| tester.route(mousePointer.up()); |
| expect(didStartDrag, isFalse); |
| expect(updatedDelta, isNull); |
| expect(didEndDrag, isTrue); |
| didEndDrag = false; |
| }); |
| |
| group('Enforce consistent-button restriction:', () { |
| late PanGestureRecognizer pan; |
| late TapGestureRecognizer tap; |
| final List<String> logs = <String>[]; |
| |
| setUp(() { |
| tap = TapGestureRecognizer() |
| ..onTap = () {}; // Need a callback to enable competition |
| pan = PanGestureRecognizer() |
| ..onStart = (DragStartDetails details) { |
| logs.add('start'); |
| } |
| ..onDown = (DragDownDetails details) { |
| logs.add('down'); |
| } |
| ..onUpdate = (DragUpdateDetails details) { |
| logs.add('update'); |
| } |
| ..onCancel = () { |
| logs.add('cancel'); |
| } |
| ..onEnd = (DragEndDetails details) { |
| logs.add('end'); |
| }; |
| }); |
| |
| tearDown(() { |
| pan.dispose(); |
| tap.dispose(); |
| logs.clear(); |
| }); |
| |
| testGesture('Button change before acceptance should lead to immediate cancel', (GestureTester tester) { |
| final TestPointer pointer = TestPointer(5, PointerDeviceKind.mouse, kPrimaryButton); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| pan.addPointer(down); |
| tap.addPointer(down); |
| tester.closeArena(5); |
| |
| tester.route(down); |
| expect(logs, <String>['down']); |
| // Move out of slop so make sure button changes takes priority over slops |
| tester.route(pointer.move(const Offset(30.0, 30.0), buttons: kSecondaryButton)); |
| expect(logs, <String>['down', 'cancel']); |
| |
| tester.route(pointer.up()); |
| }); |
| |
| testGesture('Button change before acceptance should not prevent the next drag', (GestureTester tester) { |
| { // First drag (which is canceled) |
| final TestPointer pointer = TestPointer(5, PointerDeviceKind.mouse, kPrimaryButton); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| pan.addPointer(down); |
| tap.addPointer(down); |
| tester.closeArena(down.pointer); |
| |
| tester.route(down); |
| tester.route(pointer.move(const Offset(10.0, 10.0), buttons: kSecondaryButton)); |
| tester.route(pointer.up()); |
| expect(logs, <String>['down', 'cancel']); |
| } |
| logs.clear(); |
| |
| final TestPointer pointer2 = TestPointer(6, PointerDeviceKind.mouse, kPrimaryButton); |
| final PointerDownEvent down2 = pointer2.down(const Offset(10.0, 10.0)); |
| pan.addPointer(down2); |
| tap.addPointer(down2); |
| tester.closeArena(down2.pointer); |
| tester.route(down2); |
| expect(logs, <String>['down']); |
| |
| tester.route(pointer2.move(const Offset(30.0, 30.0))); |
| expect(logs, <String>['down', 'start']); |
| |
| tester.route(pointer2.up()); |
| expect(logs, <String>['down', 'start', 'end']); |
| }); |
| |
| testGesture('Button change after acceptance should lead to immediate end', (GestureTester tester) { |
| final TestPointer pointer = TestPointer(5, PointerDeviceKind.mouse, kPrimaryButton); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| pan.addPointer(down); |
| tap.addPointer(down); |
| tester.closeArena(down.pointer); |
| |
| tester.route(down); |
| expect(logs, <String>['down']); |
| tester.route(pointer.move(const Offset(30.0, 30.0))); |
| expect(logs, <String>['down', 'start']); |
| tester.route(pointer.move(const Offset(30.0, 30.0), buttons: kSecondaryButton)); |
| expect(logs, <String>['down', 'start', 'end']); |
| |
| // Make sure no further updates are sent |
| tester.route(pointer.move(const Offset(50.0, 50.0))); |
| expect(logs, <String>['down', 'start', 'end']); |
| |
| tester.route(pointer.up()); |
| }); |
| |
| testGesture('Button change after acceptance should not prevent the next drag', (GestureTester tester) { |
| { // First drag (which is canceled) |
| final TestPointer pointer = TestPointer(5, PointerDeviceKind.mouse, kPrimaryButton); |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| pan.addPointer(down); |
| tap.addPointer(down); |
| tester.closeArena(down.pointer); |
| |
| tester.route(down); |
| |
| tester.route(pointer.move(const Offset(30.0, 30.0))); |
| |
| tester.route(pointer.move(const Offset(30.0, 31.0), buttons: kSecondaryButton)); |
| tester.route(pointer.up()); |
| expect(logs, <String>['down', 'start', 'end']); |
| } |
| logs.clear(); |
| |
| final TestPointer pointer2 = TestPointer(6, PointerDeviceKind.mouse, kPrimaryButton); |
| final PointerDownEvent down2 = pointer2.down(const Offset(10.0, 10.0)); |
| pan.addPointer(down2); |
| tap.addPointer(down2); |
| tester.closeArena(down2.pointer); |
| tester.route(down2); |
| expect(logs, <String>['down']); |
| |
| tester.route(pointer2.move(const Offset(30.0, 30.0))); |
| expect(logs, <String>['down', 'start']); |
| |
| tester.route(pointer2.up()); |
| expect(logs, <String>['down', 'start', 'end']); |
| }); |
| }); |
| |
| group('Recognizers listening on different buttons do not form competition:', () { |
| // This test is assisted by tap recognizers. If a tap gesture has |
| // no competing recognizers, a pointer down event triggers its onTapDown |
| // immediately; if there are competitors, onTapDown is triggered after a |
| // timeout. |
| // The following tests make sure that drag recognizers do not form |
| // competition with a tap gesture recognizer listening on a different button. |
| |
| final List<String> recognized = <String>[]; |
| late TapGestureRecognizer tapPrimary; |
| late TapGestureRecognizer tapSecondary; |
| late PanGestureRecognizer pan; |
| setUp(() { |
| tapPrimary = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { |
| recognized.add('tapPrimary'); |
| }; |
| tapSecondary = TapGestureRecognizer() |
| ..onSecondaryTapDown = (TapDownDetails details) { |
| recognized.add('tapSecondary'); |
| }; |
| pan = PanGestureRecognizer() |
| ..onStart = (_) { |
| recognized.add('drag'); |
| }; |
| }); |
| |
| tearDown(() { |
| recognized.clear(); |
| tapPrimary.dispose(); |
| tapSecondary.dispose(); |
| pan.dispose(); |
| }); |
| |
| testGesture('A primary pan recognizer does not form competition with a secondary tap recognizer', (GestureTester tester) { |
| final TestPointer pointer = TestPointer( |
| 1, |
| PointerDeviceKind.touch, |
| 0, |
| kSecondaryButton, |
| ); |
| final PointerDownEvent down = pointer.down(const Offset(10, 10)); |
| pan.addPointer(down); |
| tapSecondary.addPointer(down); |
| tester.closeArena(down.pointer); |
| |
| tester.route(down); |
| expect(recognized, <String>['tapSecondary']); |
| }); |
| |
| testGesture('A primary pan recognizer forms competition with a primary tap recognizer', (GestureTester tester) { |
| final TestPointer pointer = TestPointer( |
| 1, |
| PointerDeviceKind.touch, |
| kPrimaryButton, |
| ); |
| final PointerDownEvent down = pointer.down(const Offset(10, 10)); |
| pan.addPointer(down); |
| tapPrimary.addPointer(down); |
| tester.closeArena(down.pointer); |
| |
| tester.route(down); |
| expect(recognized, <String>[]); |
| |
| tester.route(pointer.up()); |
| expect(recognized, <String>['tapPrimary']); |
| }); |
| }); |
| |
| testGesture('A secondary drag should not trigger primary', (GestureTester tester) { |
| final List<String> recognized = <String>[]; |
| final TapGestureRecognizer tap = TapGestureRecognizer() |
| ..onTap = () {}; // Need a listener to enable competition. |
| final PanGestureRecognizer pan = PanGestureRecognizer() |
| ..onDown = (DragDownDetails details) { |
| recognized.add('primaryDown'); |
| } |
| ..onStart = (DragStartDetails details) { |
| recognized.add('primaryStart'); |
| } |
| ..onUpdate = (DragUpdateDetails details) { |
| recognized.add('primaryUpdate'); |
| } |
| ..onEnd = (DragEndDetails details) { |
| recognized.add('primaryEnd'); |
| } |
| ..onCancel = () { |
| recognized.add('primaryCancel'); |
| }; |
| addTearDown(pan.dispose); |
| addTearDown(tap.dispose); |
| |
| final TestPointer pointer = TestPointer( |
| 5, |
| PointerDeviceKind.touch, |
| 0, |
| kSecondaryButton, |
| ); |
| |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| pan.addPointer(down); |
| tap.addPointer(down); |
| tester.closeArena(5); |
| tester.route(down); |
| tester.route(pointer.move(const Offset(20.0, 30.0))); |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| tester.route(pointer.up()); |
| expect(recognized, <String>[]); |
| recognized.clear(); |
| }); |
| |
| testGesture('A secondary drag should not trigger primary', (GestureTester tester) { |
| final List<String> recognized = <String>[]; |
| final TapGestureRecognizer tap = TapGestureRecognizer() |
| ..onTap = () {}; // Need a listener to enable competition. |
| final PanGestureRecognizer pan = PanGestureRecognizer() |
| ..onDown = (DragDownDetails details) { |
| recognized.add('primaryDown'); |
| } |
| ..onStart = (DragStartDetails details) { |
| recognized.add('primaryStart'); |
| } |
| ..onUpdate = (DragUpdateDetails details) { |
| recognized.add('primaryUpdate'); |
| } |
| ..onEnd = (DragEndDetails details) { |
| recognized.add('primaryEnd'); |
| } |
| ..onCancel = () { |
| recognized.add('primaryCancel'); |
| }; |
| |
| final TestPointer pointer = TestPointer( |
| 5, |
| PointerDeviceKind.touch, |
| 0, |
| kSecondaryButton, |
| ); |
| |
| final PointerDownEvent down = pointer.down(const Offset(10.0, 10.0)); |
| pan.addPointer(down); |
| tap.addPointer(down); |
| tester.closeArena(5); |
| tester.route(down); |
| tester.route(pointer.move(const Offset(20.0, 30.0))); |
| tester.route(pointer.move(const Offset(20.0, 25.0))); |
| tester.route(pointer.up()); |
| expect(recognized, <String>[]); |
| recognized.clear(); |
| |
| addTearDown(pan.dispose); |
| addTearDown(tap.dispose); |
| recognized.clear(); |
| }); |
| |
| testGesture( |
| 'On multiple pointers, DragGestureRecognizer is canceled ' |
| 'when all pointers are canceled (FIFO)', |
| (GestureTester tester) { |
| // This test simulates the following scenario: |
| // P1 down, P2 down, P1 up, P2 up |
| final List<String> logs = <String>[]; |
| final HorizontalDragGestureRecognizer hori = HorizontalDragGestureRecognizer() |
| ..onDown = (DragDownDetails details) { logs.add('downH'); } |
| ..onStart = (DragStartDetails details) { logs.add('startH'); } |
| ..onUpdate = (DragUpdateDetails details) { logs.add('updateH'); } |
| ..onEnd = (DragEndDetails details) { logs.add('endH'); } |
| ..onCancel = () { logs.add('cancelH'); }; |
| // Competitor |
| final TapGestureRecognizer vert = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { logs.add('downT'); } |
| ..onTapUp = (TapUpDetails details) { logs.add('upT'); } |
| ..onTapCancel = () {}; |
| addTearDown(hori.dispose); |
| addTearDown(vert.dispose); |
| |
| final TestPointer pointer1 = TestPointer(4); |
| final TestPointer pointer2 = TestPointer(5); |
| |
| final PointerDownEvent down1 = pointer1.down(const Offset(10.0, 10.0)); |
| final PointerDownEvent down2 = pointer2.down(const Offset(11.0, 10.0)); |
| |
| hori.addPointer(down1); |
| vert.addPointer(down1); |
| tester.route(down1); |
| tester.closeArena(pointer1.pointer); |
| expect(logs, <String>['downH']); |
| logs.clear(); |
| |
| hori.addPointer(down2); |
| vert.addPointer(down2); |
| tester.route(down2); |
| tester.closeArena(pointer2.pointer); |
| expect(logs, <String>[]); |
| logs.clear(); |
| |
| tester.route(pointer1.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer1.pointer); |
| expect(logs, <String>['downT', 'upT']); |
| logs.clear(); |
| |
| tester.route(pointer2.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer2.pointer); |
| expect(logs, <String>['cancelH']); |
| logs.clear(); |
| }, |
| ); |
| |
| testGesture( |
| 'On multiple pointers, DragGestureRecognizer is canceled ' |
| 'when all pointers are canceled (FILO)', |
| (GestureTester tester) { |
| // This test simulates the following scenario: |
| // P1 down, P2 down, P1 up, P2 up |
| final List<String> logs = <String>[]; |
| final HorizontalDragGestureRecognizer hori = HorizontalDragGestureRecognizer() |
| ..onDown = (DragDownDetails details) { logs.add('downH'); } |
| ..onStart = (DragStartDetails details) { logs.add('startH'); } |
| ..onUpdate = (DragUpdateDetails details) { logs.add('updateH'); } |
| ..onEnd = (DragEndDetails details) { logs.add('endH'); } |
| ..onCancel = () { logs.add('cancelH'); }; |
| // Competitor |
| final TapGestureRecognizer vert = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { logs.add('downT'); } |
| ..onTapUp = (TapUpDetails details) { logs.add('upT'); } |
| ..onTapCancel = () {}; |
| addTearDown(hori.dispose); |
| addTearDown(vert.dispose); |
| |
| final TestPointer pointer1 = TestPointer(4); |
| final TestPointer pointer2 = TestPointer(5); |
| |
| final PointerDownEvent down1 = pointer1.down(const Offset(10.0, 10.0)); |
| final PointerDownEvent down2 = pointer2.down(const Offset(11.0, 10.0)); |
| |
| hori.addPointer(down1); |
| vert.addPointer(down1); |
| tester.route(down1); |
| tester.closeArena(pointer1.pointer); |
| expect(logs, <String>['downH']); |
| logs.clear(); |
| |
| hori.addPointer(down2); |
| vert.addPointer(down2); |
| tester.route(down2); |
| tester.closeArena(pointer2.pointer); |
| expect(logs, <String>[]); |
| logs.clear(); |
| |
| tester.route(pointer2.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer2.pointer); |
| // Tap is not triggered because pointer2 is not its primary pointer |
| expect(logs, <String>[]); |
| logs.clear(); |
| |
| tester.route(pointer1.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer1.pointer); |
| expect(logs, <String>['cancelH', 'downT', 'upT']); |
| logs.clear(); |
| }, |
| ); |
| |
| testGesture( |
| 'On multiple pointers, DragGestureRecognizer is accepted when the ' |
| 'first pointer is accepted', |
| (GestureTester tester) { |
| // This test simulates the following scenario: |
| // P1 down, P2 down, P1 moves away, P2 up |
| final List<String> logs = <String>[]; |
| final HorizontalDragGestureRecognizer hori = HorizontalDragGestureRecognizer() |
| ..onDown = (DragDownDetails details) { logs.add('downH'); } |
| ..onStart = (DragStartDetails details) { logs.add('startH'); } |
| ..onUpdate = (DragUpdateDetails details) { logs.add('updateH'); } |
| ..onEnd = (DragEndDetails details) { logs.add('endH'); } |
| ..onCancel = () { logs.add('cancelH'); }; |
| // Competitor |
| final TapGestureRecognizer vert = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { logs.add('downT'); } |
| ..onTapUp = (TapUpDetails details) { logs.add('upT'); } |
| ..onTapCancel = () {}; |
| addTearDown(hori.dispose); |
| addTearDown(vert.dispose); |
| |
| final TestPointer pointer1 = TestPointer(4); |
| final TestPointer pointer2 = TestPointer(5); |
| |
| final PointerDownEvent down1 = pointer1.down(const Offset(10.0, 10.0)); |
| final PointerDownEvent down2 = pointer2.down(const Offset(11.0, 10.0)); |
| |
| hori.addPointer(down1); |
| vert.addPointer(down1); |
| tester.route(down1); |
| tester.closeArena(pointer1.pointer); |
| expect(logs, <String>['downH']); |
| logs.clear(); |
| |
| hori.addPointer(down2); |
| vert.addPointer(down2); |
| tester.route(down2); |
| tester.closeArena(pointer2.pointer); |
| expect(logs, <String>[]); |
| logs.clear(); |
| |
| tester.route(pointer1.move(const Offset(100, 100))); |
| expect(logs, <String>['startH']); |
| logs.clear(); |
| |
| tester.route(pointer2.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer2.pointer); |
| expect(logs, <String>[]); |
| logs.clear(); |
| |
| tester.route(pointer1.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer1.pointer); |
| expect(logs, <String>['endH']); |
| logs.clear(); |
| }, |
| ); |
| |
| testGesture( |
| 'On multiple pointers, canceled pointers (due to up) do not ' |
| 'prevent later pointers getting accepted', |
| (GestureTester tester) { |
| // This test simulates the following scenario: |
| // P1 down, P2 down, P1 Up, P2 moves away |
| final List<String> logs = <String>[]; |
| final HorizontalDragGestureRecognizer hori = HorizontalDragGestureRecognizer() |
| ..onDown = (DragDownDetails details) { logs.add('downH'); } |
| ..onStart = (DragStartDetails details) { logs.add('startH'); } |
| ..onUpdate = (DragUpdateDetails details) { logs.add('updateH'); } |
| ..onEnd = (DragEndDetails details) { logs.add('endH'); } |
| ..onCancel = () { logs.add('cancelH'); }; |
| // Competitor |
| final TapGestureRecognizer vert = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { logs.add('downT'); } |
| ..onTapUp = (TapUpDetails details) { logs.add('upT'); } |
| ..onTapCancel = () {}; |
| addTearDown(hori.dispose); |
| addTearDown(vert.dispose); |
| |
| final TestPointer pointer1 = TestPointer(4); |
| final TestPointer pointer2 = TestPointer(5); |
| |
| final PointerDownEvent down1 = pointer1.down(const Offset(10.0, 10.0)); |
| final PointerDownEvent down2 = pointer2.down(const Offset(11.0, 10.0)); |
| |
| hori.addPointer(down1); |
| vert.addPointer(down1); |
| tester.route(down1); |
| tester.closeArena(pointer1.pointer); |
| expect(logs, <String>['downH']); |
| logs.clear(); |
| |
| hori.addPointer(down2); |
| vert.addPointer(down2); |
| tester.route(down2); |
| tester.closeArena(pointer2.pointer); |
| expect(logs, <String>[]); |
| logs.clear(); |
| |
| tester.route(pointer1.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer1.pointer); |
| expect(logs, <String>['downT', 'upT']); |
| logs.clear(); |
| |
| tester.route(pointer2.move(const Offset(100, 100))); |
| expect(logs, <String>['startH']); |
| logs.clear(); |
| |
| tester.route(pointer2.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer2.pointer); |
| expect(logs, <String>['endH']); |
| logs.clear(); |
| }, |
| ); |
| |
| testGesture( |
| 'On multiple pointers, canceled pointers (due to buttons) do not ' |
| 'prevent later pointers getting accepted', |
| (GestureTester tester) { |
| // This test simulates the following scenario: |
| // P1 down, P2 down, P1 change buttons, P2 moves away |
| final List<String> logs = <String>[]; |
| final HorizontalDragGestureRecognizer hori = HorizontalDragGestureRecognizer() |
| ..onDown = (DragDownDetails details) { logs.add('downH'); } |
| ..onStart = (DragStartDetails details) { logs.add('startH'); } |
| ..onUpdate = (DragUpdateDetails details) { logs.add('updateH'); } |
| ..onEnd = (DragEndDetails details) { logs.add('endH'); } |
| ..onCancel = () { logs.add('cancelH'); }; |
| // Competitor |
| final TapGestureRecognizer vert = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { logs.add('downT'); } |
| ..onTapUp = (TapUpDetails details) { logs.add('upT'); } |
| ..onTapCancel = () {}; |
| addTearDown(hori.dispose); |
| addTearDown(vert.dispose); |
| |
| final TestPointer pointer1 = TestPointer(); |
| final TestPointer pointer2 = TestPointer(2); |
| |
| final PointerDownEvent down1 = pointer1.down(const Offset(10.0, 10.0)); |
| final PointerDownEvent down2 = pointer2.down(const Offset(11.0, 10.0)); |
| |
| hori.addPointer(down1); |
| vert.addPointer(down1); |
| tester.route(down1); |
| tester.closeArena(pointer1.pointer); |
| |
| hori.addPointer(down2); |
| vert.addPointer(down2); |
| tester.route(down2); |
| tester.closeArena(pointer2.pointer); |
| expect(logs, <String>['downH']); |
| logs.clear(); |
| |
| // Pointer 1 changes buttons, which cancel tap, leaving drag the only |
| // remaining member of arena 1, therefore drag is accepted. |
| tester.route(pointer1.move(const Offset(9.9, 9.9), buttons: kSecondaryButton)); |
| expect(logs, <String>['startH']); |
| logs.clear(); |
| |
| tester.route(pointer2.move(const Offset(100, 100))); |
| expect(logs, <String>['updateH']); |
| logs.clear(); |
| |
| tester.route(pointer2.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer2.pointer); |
| expect(logs, <String>['endH']); |
| logs.clear(); |
| }, |
| ); |
| |
| testGesture( |
| 'On multiple pointers, the last tracking pointer can be rejected by [resolvePointer] when the ' |
| 'other pointer already accepted the VerticalDragGestureRecognizer', |
| (GestureTester tester) { |
| // Regressing test for https://github.com/flutter/flutter/issues/68373 |
| final List<String> logs = <String>[]; |
| final VerticalDragGestureRecognizer drag = VerticalDragGestureRecognizer() |
| ..onDown = (DragDownDetails details) { logs.add('downD'); } |
| ..onStart = (DragStartDetails details) { logs.add('startD'); } |
| ..onUpdate = (DragUpdateDetails details) { logs.add('updateD'); } |
| ..onEnd = (DragEndDetails details) { logs.add('endD'); } |
| ..onCancel = () { logs.add('cancelD'); }; |
| // Competitor |
| final TapGestureRecognizer tap = TapGestureRecognizer() |
| ..onTapDown = (TapDownDetails details) { logs.add('downT'); } |
| ..onTapUp = (TapUpDetails details) { logs.add('upT'); } |
| ..onTapCancel = () {}; |
| addTearDown(tap.dispose); |
| addTearDown(drag.dispose); |
| |
| final TestPointer pointer1 = TestPointer(); |
| final TestPointer pointer2 = TestPointer(2); |
| final TestPointer pointer3 = TestPointer(3); |
| final TestPointer pointer4 = TestPointer(4); |
| |
| final PointerDownEvent down1 = pointer1.down(const Offset(10.0, 10.0)); |
| final PointerDownEvent down2 = pointer2.down(const Offset(11.0, 11.0)); |
| final PointerDownEvent down3 = pointer3.down(const Offset(12.0, 12.0)); |
| final PointerDownEvent down4 = pointer4.down(const Offset(13.0, 13.0)); |
| |
| tap.addPointer(down1); |
| drag.addPointer(down1); |
| tester.closeArena(pointer1.pointer); |
| tester.route(down1); |
| expect(logs, <String>['downD']); |
| logs.clear(); |
| |
| tap.addPointer(down2); |
| drag.addPointer(down2); |
| tester.closeArena(pointer2.pointer); |
| tester.route(down2); |
| expect(logs, <String>[]); |
| |
| tap.addPointer(down3); |
| drag.addPointer(down3); |
| tester.closeArena(pointer3.pointer); |
| tester.route(down3); |
| expect(logs, <String>[]); |
| |
| drag.addPointer(down4); |
| tester.closeArena(pointer4.pointer); |
| tester.route(down4); |
| expect(logs, <String>['startD']); |
| logs.clear(); |
| |
| tester.route(pointer2.up()); |
| GestureBinding.instance.gestureArena.sweep(pointer2.pointer); |
| expect(logs, <String>[]); |
| |
| tester.route(pointer4.cancel()); |
| expect(logs, <String>[]); |
| |
| tester.route(pointer3.cancel()); |
| expect(logs, <String>[]); |
| |
| tester.route(pointer1.cancel()); |
| expect(logs, <String>['endD']); |
| logs.clear(); |
| }, |
| ); |
| |
| testGesture('Does not crash when one of the 2 pointers wins by default and is then released', (GestureTester tester) { |
| // Regression test for https://github.com/flutter/flutter/issues/82784 |
| |
| bool didStartDrag = false; |
| final HorizontalDragGestureRecognizer drag = HorizontalDragGestureRecognizer() |
| ..onStart = (_) { didStartDrag = true; } |
| ..onEnd = (DragEndDetails details) {} // Crash triggers at onEnd. |
| ..dragStartBehavior = DragStartBehavior.down; |
| final TapGestureRecognizer tap = TapGestureRecognizer()..onTap = () {}; |
| final TapGestureRecognizer tap2 = TapGestureRecognizer()..onTap = () {}; |
| |
| // The pointer1 is caught by drag and tap. |
| final TestPointer pointer1 = TestPointer(5); |
| final PointerDownEvent down1 = pointer1.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down1); |
| tap.addPointer(down1); |
| tester.closeArena(pointer1.pointer); |
| tester.route(down1); |
| |
| // The pointer2 is caught by drag and tap2. |
| final TestPointer pointer2 = TestPointer(6); |
| final PointerDownEvent down2 = pointer2.down(const Offset(10.0, 10.0)); |
| drag.addPointer(down2); |
| tap2.addPointer(down2); |
| tester.closeArena(pointer2.pointer); |
| tester.route(down2); |
| |
| // The tap is disposed, leaving drag the default winner. |
| tap.dispose(); |
| |
| // Wait for microtasks to finish, during which drag claims victory. |
| tester.async.flushMicrotasks(); |
| expect(didStartDrag, true); |
| |
| // The pointer1 is released, leaving pointer2 drag's only pointer. |
| tester.route(pointer1.up()); |
| |
| drag.dispose(); |
| |
| // Passes if no crashes here. |
| |
| tap2.dispose(); |
| }); |
| |
| testGesture('Should recognize pan gestures from platform', (GestureTester tester) { |
| final PanGestureRecognizer pan = PanGestureRecognizer(); |
| // We need a competing gesture recognizer so that the gesture is not immediately claimed. |
| final PanGestureRecognizer competingPan = PanGestureRecognizer(); |
| addTearDown(pan.dispose); |
| addTearDown(competingPan.dispose); |
| |
| bool didStartPan = false; |
| pan.onStart = (_) { |
| didStartPan = true; |
| }; |
| |
| Offset? updatedScrollDelta; |
| pan.onUpdate = (DragUpdateDetails details) { |
| updatedScrollDelta = details.delta; |
| }; |
| |
| bool didEndPan = false; |
| pan.onEnd = (DragEndDetails details) { |
| didEndPan = true; |
| }; |
| |
| final TestPointer pointer = TestPointer(2, PointerDeviceKind.trackpad); |
| final PointerPanZoomStartEvent start = pointer.panZoomStart(const Offset(10.0, 10.0)); |
| pan.addPointerPanZoom(start); |
| competingPan.addPointerPanZoom(start); |
| tester.closeArena(2); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| tester.route(start); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| // Gesture will be claimed when distance reaches kPanSlop, which was 36.0 when this test was last updated. |
| tester.route(pointer.panZoomUpdate(const Offset(10.0, 10.0), pan: const Offset(20.0, 20.0))); // moved 20 horizontally and 20 vertically which is 28 total |
| expect(didStartPan, isFalse); // 28 < 36 |
| tester.route(pointer.panZoomUpdate(const Offset(10.0, 10.0), pan: const Offset(30.0, 30.0))); // moved 30 horizontally and 30 vertically which is 42 total |
| expect(didStartPan, isTrue); // 42 > 36 |
| didStartPan = false; |
| expect(didEndPan, isFalse); |
| |
| tester.route(pointer.panZoomUpdate(const Offset(10.0, 10.0), pan: const Offset(30.0, 25.0))); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, const Offset(0.0, -5.0)); |
| updatedScrollDelta = null; |
| expect(didEndPan, isFalse); |
| |
| tester.route(pointer.panZoomEnd()); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isTrue); |
| didEndPan = false; |
| }); |
| |
| testGesture('Pointer pan/zooms drags should allow touches to join them', (GestureTester tester) { |
| final PanGestureRecognizer pan = PanGestureRecognizer(); |
| // We need a competing gesture recognizer so that the gesture is not immediately claimed. |
| final PanGestureRecognizer competingPan = PanGestureRecognizer(); |
| addTearDown(pan.dispose); |
| addTearDown(competingPan.dispose); |
| |
| bool didStartPan = false; |
| pan.onStart = (_) { |
| didStartPan = true; |
| }; |
| |
| Offset? updatedScrollDelta; |
| pan.onUpdate = (DragUpdateDetails details) { |
| updatedScrollDelta = details.delta; |
| }; |
| |
| bool didEndPan = false; |
| pan.onEnd = (DragEndDetails details) { |
| didEndPan = true; |
| }; |
| |
| final TestPointer panZoomPointer = TestPointer(2, PointerDeviceKind.trackpad); |
| final TestPointer touchPointer = TestPointer(3); |
| final PointerPanZoomStartEvent start = panZoomPointer.panZoomStart(const Offset(10.0, 10.0)); |
| pan.addPointerPanZoom(start); |
| competingPan.addPointerPanZoom(start); |
| tester.closeArena(2); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| tester.route(start); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| // Gesture will be claimed when distance reaches kPanSlop, which was 36.0 when this test was last updated. |
| tester.route(panZoomPointer.panZoomUpdate(const Offset(10.0, 10.0), pan: const Offset(20.0, 20.0))); // moved 20 horizontally and 20 vertically which is 28 total |
| expect(didStartPan, isFalse); // 28 < 36 |
| tester.route(panZoomPointer.panZoomUpdate(const Offset(10.0, 10.0), pan: const Offset(30.0, 30.0))); // moved 30 horizontally and 30 vertically which is 42 total |
| expect(didStartPan, isTrue); // 42 > 36 |
| didStartPan = false; |
| expect(didEndPan, isFalse); |
| |
| tester.route(panZoomPointer.panZoomUpdate(const Offset(10.0, 10.0), pan: const Offset(30.0, 25.0))); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, const Offset(0.0, -5.0)); |
| updatedScrollDelta = null; |
| expect(didEndPan, isFalse); |
| |
| final PointerDownEvent touchDown = touchPointer.down(const Offset(20.0, 20.0)); |
| pan.addPointer(touchDown); |
| competingPan.addPointer(touchDown); |
| tester.closeArena(3); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| tester.route(touchPointer.move(const Offset(25.0, 25.0))); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, const Offset(5.0, 5.0)); |
| updatedScrollDelta = null; |
| expect(didEndPan, isFalse); |
| |
| tester.route(touchPointer.up()); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| tester.route(panZoomPointer.panZoomEnd()); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isTrue); |
| didEndPan = false; |
| }); |
| |
| testGesture('Touch drags should allow pointer pan/zooms to join them', (GestureTester tester) { |
| final PanGestureRecognizer pan = PanGestureRecognizer(); |
| // We need a competing gesture recognizer so that the gesture is not immediately claimed. |
| final PanGestureRecognizer competingPan = PanGestureRecognizer(); |
| addTearDown(pan.dispose); |
| addTearDown(competingPan.dispose); |
| |
| bool didStartPan = false; |
| pan.onStart = (_) { |
| didStartPan = true; |
| }; |
| |
| Offset? updatedScrollDelta; |
| pan.onUpdate = (DragUpdateDetails details) { |
| updatedScrollDelta = details.delta; |
| }; |
| |
| bool didEndPan = false; |
| pan.onEnd = (DragEndDetails details) { |
| didEndPan = true; |
| }; |
| |
| final TestPointer panZoomPointer = TestPointer(2, PointerDeviceKind.trackpad); |
| final TestPointer touchPointer = TestPointer(3); |
| final PointerDownEvent touchDown = touchPointer.down(const Offset(20.0, 20.0)); |
| pan.addPointer(touchDown); |
| competingPan.addPointer(touchDown); |
| tester.closeArena(3); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| tester.route(touchPointer.move(const Offset(60.0, 60.0))); |
| expect(didStartPan, isTrue); |
| didStartPan = false; |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| tester.route(touchPointer.move(const Offset(70.0, 70.0))); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, const Offset(10.0, 10.0)); |
| updatedScrollDelta = null; |
| expect(didEndPan, isFalse); |
| |
| final PointerPanZoomStartEvent start = panZoomPointer.panZoomStart(const Offset(10.0, 10.0)); |
| pan.addPointerPanZoom(start); |
| competingPan.addPointerPanZoom(start); |
| tester.closeArena(2); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| tester.route(start); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| // Gesture will be claimed when distance reaches kPanSlop, which was 36.0 when this test was last updated. |
| tester.route(panZoomPointer.panZoomUpdate(const Offset(10.0, 10.0), pan: const Offset(20.0, 20.0))); // moved 20 horizontally and 20 vertically which is 28 total |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, const Offset(20.0, 20.0)); |
| updatedScrollDelta = null; |
| expect(didEndPan, isFalse); |
| tester.route(panZoomPointer.panZoomUpdate(const Offset(10.0, 10.0), pan: const Offset(30.0, 30.0))); // moved 30 horizontally and 30 vertically which is 42 total |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, const Offset(10.0, 10.0)); |
| updatedScrollDelta = null; |
| expect(didEndPan, isFalse); |
| |
| tester.route(panZoomPointer.panZoomEnd()); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isFalse); |
| |
| tester.route(touchPointer.up()); |
| expect(didStartPan, isFalse); |
| expect(updatedScrollDelta, isNull); |
| expect(didEndPan, isTrue); |
| didEndPan = false; |
| }); |
| } |
