// Copyright 2015 The Chromium 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:quiver/testing/async.dart'; import 'package:test/test.dart'; import 'gesture_tester.dart'; class TestGestureArenaMember extends GestureArenaMember { @override void acceptGesture(int key) { accepted = true; } @override void rejectGesture(int key) { rejected = true; } bool accepted = false; bool rejected = false; } void main() { setUp(ensureGestureBinding); // Down/up pair 1: normal tap sequence const PointerDownEvent down1 = const PointerDownEvent( pointer: 1, position: const Point(10.0, 10.0) ); const PointerUpEvent up1 = const PointerUpEvent( pointer: 1, position: const Point(11.0, 9.0) ); // Down/up pair 2: normal tap sequence close to pair 1 const PointerDownEvent down2 = const PointerDownEvent( pointer: 2, position: const Point(12.0, 12.0) ); const PointerUpEvent up2 = const PointerUpEvent( pointer: 2, position: const Point(13.0, 11.0) ); // Down/up pair 3: normal tap sequence far away from pair 1 const PointerDownEvent down3 = const PointerDownEvent( pointer: 3, position: const Point(130.0, 130.0) ); const PointerUpEvent up3 = const PointerUpEvent( pointer: 3, position: const Point(131.0, 129.0) ); // Down/move/up sequence 4: intervening motion const PointerDownEvent down4 = const PointerDownEvent( pointer: 4, position: const Point(10.0, 10.0) ); const PointerMoveEvent move4 = const PointerMoveEvent( pointer: 4, position: const Point(25.0, 25.0) ); const PointerUpEvent up4 = const PointerUpEvent( pointer: 4, position: const Point(25.0, 25.0) ); // Down/up pair 5: normal tap sequence identical to pair 1 with different pointer const PointerDownEvent down5 = const PointerDownEvent( pointer: 5, position: const Point(10.0, 10.0) ); const PointerUpEvent up5 = const PointerUpEvent( pointer: 5, position: const Point(11.0, 9.0) ); testGesture('Should recognize double tap', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); tester.closeArena(2); expect(doubleTapRecognized, isFalse); tester.route(down2); expect(doubleTapRecognized, isFalse); tester.route(up2); expect(doubleTapRecognized, isTrue); GestureBinding.instance.gestureArena.sweep(2); expect(doubleTapRecognized, isTrue); tap.dispose(); }); testGesture('Inter-tap distance cancels double tap', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down3); tester.closeArena(3); expect(doubleTapRecognized, isFalse); tester.route(down3); expect(doubleTapRecognized, isFalse); tester.route(up3); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(3); expect(doubleTapRecognized, isFalse); tap.dispose(); }); testGesture('Intra-tap distance cancels double tap', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down4); tester.closeArena(4); expect(doubleTapRecognized, isFalse); tester.route(down4); expect(doubleTapRecognized, isFalse); tester.route(move4); expect(doubleTapRecognized, isFalse); tester.route(up4); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(4); expect(doubleTapRecognized, isFalse); tap.addPointer(down1); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down2); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tap.dispose(); }); testGesture('Inter-tap delay cancels double tap', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tester.async.elapse(new Duration(milliseconds: 5000)); tap.addPointer(down2); tester.closeArena(2); expect(doubleTapRecognized, isFalse); tester.route(down2); expect(doubleTapRecognized, isFalse); tester.route(up2); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(2); expect(doubleTapRecognized, isFalse); tap.dispose(); }); testGesture('Inter-tap delay resets double tap, allowing third tap to be a double-tap', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tester.async.elapse(new Duration(milliseconds: 5000)); tap.addPointer(down2); tester.closeArena(2); expect(doubleTapRecognized, isFalse); tester.route(down2); expect(doubleTapRecognized, isFalse); tester.route(up2); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(2); expect(doubleTapRecognized, isFalse); tester.async.elapse(new Duration(milliseconds: 100)); tap.addPointer(down5); tester.closeArena(5); expect(doubleTapRecognized, isFalse); tester.route(down5); expect(doubleTapRecognized, isFalse); tester.route(up5); expect(doubleTapRecognized, isTrue); GestureBinding.instance.gestureArena.sweep(5); expect(doubleTapRecognized, isTrue); tap.dispose(); }); testGesture('Intra-tap delay does not cancel double tap', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.async.elapse(new Duration(milliseconds: 1000)); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); tester.closeArena(2); expect(doubleTapRecognized, isFalse); tester.route(down2); expect(doubleTapRecognized, isFalse); tester.route(up2); expect(doubleTapRecognized, isTrue); GestureBinding.instance.gestureArena.sweep(2); expect(doubleTapRecognized, isTrue); tap.dispose(); }); testGesture('Should not recognize two overlapping taps', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); tester.closeArena(2); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tester.route(up2); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(2); expect(doubleTapRecognized, isFalse); tap.dispose(); }); testGesture('Should recognize one tap of group followed by second tap', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); tester.closeArena(2); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tester.route(up2); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(2); expect(doubleTapRecognized, isFalse); tap.addPointer(down1); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isTrue); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isTrue); tap.dispose(); }); testGesture('Should cancel on arena reject during first tap', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); TestGestureArenaMember member = new TestGestureArenaMember(); GestureArenaEntry entry = GestureBinding.instance.gestureArena.add(1, member); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); entry.resolve(GestureDisposition.accepted); expect(member.accepted, isTrue); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); tester.closeArena(2); expect(doubleTapRecognized, isFalse); tester.route(down2); expect(doubleTapRecognized, isFalse); tester.route(up2); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(2); expect(doubleTapRecognized, isFalse); tap.dispose(); }); testGesture('Should cancel on arena reject between taps', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); TestGestureArenaMember member = new TestGestureArenaMember(); GestureArenaEntry entry = GestureBinding.instance.gestureArena.add(1, member); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); entry.resolve(GestureDisposition.accepted); expect(member.accepted, isTrue); tap.addPointer(down2); tester.closeArena(2); expect(doubleTapRecognized, isFalse); tester.route(down2); expect(doubleTapRecognized, isFalse); tester.route(up2); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(2); expect(doubleTapRecognized, isFalse); tap.dispose(); }); testGesture('Should cancel on arena reject during last tap', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; tap.addPointer(down1); TestGestureArenaMember member = new TestGestureArenaMember(); GestureArenaEntry entry = GestureBinding.instance.gestureArena.add(1, member); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); tap.addPointer(down2); tester.closeArena(2); expect(doubleTapRecognized, isFalse); tester.route(down2); expect(doubleTapRecognized, isFalse); entry.resolve(GestureDisposition.accepted); expect(member.accepted, isTrue); tester.route(up2); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(2); expect(doubleTapRecognized, isFalse); tap.dispose(); }); testGesture('Passive gesture should trigger on double tap cancel', (GestureTester tester) { DoubleTapGestureRecognizer tap = new DoubleTapGestureRecognizer(); bool doubleTapRecognized = false; tap.onDoubleTap = () { doubleTapRecognized = true; }; new FakeAsync().run((FakeAsync async) { tap.addPointer(down1); TestGestureArenaMember member = new TestGestureArenaMember(); GestureBinding.instance.gestureArena.add(1, member); tester.closeArena(1); expect(doubleTapRecognized, isFalse); tester.route(down1); expect(doubleTapRecognized, isFalse); tester.route(up1); expect(doubleTapRecognized, isFalse); GestureBinding.instance.gestureArena.sweep(1); expect(doubleTapRecognized, isFalse); expect(member.accepted, isFalse); async.elapse(const Duration(milliseconds: 5000)); expect(member.accepted, isTrue); }); tap.dispose(); }); }