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7f7e09c7ee
This prevents us from synthesizing an 'add' event if we get a 'move' event after a 'down' event. This was causing errors because on the framework side, it will synthesize an 'add' event if it receives a 'down' event, and if you send another 'add' event (e.g. with a 'move' after a 'down') then it will throw an AssertionError since it already has received an 'add' event for that pointer. Fixes https://github.com/flutter/flutter/issues/40385
134 lines
4.0 KiB
Dart
134 lines
4.0 KiB
Dart
// Copyright 2013 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 'dart:html' as html;
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import 'dart:typed_data';
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import 'package:ui/src/engine.dart';
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import 'package:ui/ui.dart' as ui;
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import 'package:test/test.dart';
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void main() {
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group('Pointer Binding', () {
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html.Element glassPane = domRenderer.glassPaneElement;
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setUp(() {
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// Touching domRenderer creates PointerBinding.instance.
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domRenderer;
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// Set a new detector to reset the state of the listeners.
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PointerBinding.instance.debugOverrideDetector(TestPointerDetector());
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ui.window.onPointerDataPacket = null;
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});
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test('can receive pointer events on the glass pane', () {
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ui.PointerDataPacket receivedPacket;
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ui.window.onPointerDataPacket = (ui.PointerDataPacket packet) {
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receivedPacket = packet;
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};
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glassPane.dispatchEvent(html.PointerEvent('pointerdown', {
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'pointerId': 1,
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'button': 1,
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}));
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expect(receivedPacket, isNotNull);
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expect(receivedPacket.data[0].device, equals(1));
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});
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test('synthesizes a pointerup event on two pointerdowns in a row', () {
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List<ui.PointerDataPacket> packets = <ui.PointerDataPacket>[];
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ui.window.onPointerDataPacket = (ui.PointerDataPacket packet) {
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packets.add(packet);
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};
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glassPane.dispatchEvent(html.PointerEvent('pointerdown', {
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'pointerId': 1,
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'button': 1,
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}));
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glassPane.dispatchEvent(html.PointerEvent('pointerdown', {
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'pointerId': 1,
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'button': 1,
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}));
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expect(packets, hasLength(3));
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expect(packets[0].data[0].change, equals(ui.PointerChange.down));
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expect(packets[1].data[0].change, equals(ui.PointerChange.up));
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expect(packets[2].data[0].change, equals(ui.PointerChange.down));
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});
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test('does not synthesize pointer up if from different device', () {
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List<ui.PointerDataPacket> packets = <ui.PointerDataPacket>[];
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ui.window.onPointerDataPacket = (ui.PointerDataPacket packet) {
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packets.add(packet);
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};
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glassPane.dispatchEvent(html.PointerEvent('pointerdown', {
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'pointerId': 1,
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'button': 1,
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}));
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glassPane.dispatchEvent(html.PointerEvent('pointerdown', {
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'pointerId': 2,
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'button': 1,
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}));
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expect(packets, hasLength(2));
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expect(packets[0].data[0].change, equals(ui.PointerChange.down));
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expect(packets[0].data[0].device, equals(1));
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expect(packets[1].data[0].change, equals(ui.PointerChange.down));
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expect(packets[1].data[0].device, equals(2));
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});
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test('creates an add event if the first pointer activity is a hover', () {
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List<ui.PointerDataPacket> packets = <ui.PointerDataPacket>[];
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ui.window.onPointerDataPacket = (ui.PointerDataPacket packet) {
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packets.add(packet);
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};
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glassPane.dispatchEvent(html.PointerEvent('pointermove', {
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'pointerId': 1,
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'button': 1,
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}));
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expect(packets, hasLength(1));
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expect(packets.single.data, hasLength(2));
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expect(packets.single.data[0].change, equals(ui.PointerChange.add));
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expect(packets.single.data[1].change, equals(ui.PointerChange.hover));
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});
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test('does not create an add event if got a pointerdown', () {
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List<ui.PointerDataPacket> packets = <ui.PointerDataPacket>[];
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ui.window.onPointerDataPacket = (ui.PointerDataPacket packet) {
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packets.add(packet);
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};
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glassPane.dispatchEvent(html.PointerEvent('pointerdown', {
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'pointerId': 1,
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'button': 1,
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}));
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expect(packets, hasLength(1));
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expect(packets.single.data, hasLength(1));
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expect(packets.single.data[0].change, equals(ui.PointerChange.down));
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});
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});
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}
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class TestPointerDetector extends PointerSupportDetector {
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@override
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final bool hasPointerEvents = true;
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@override
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final bool hasTouchEvents = false;
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@override
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final bool hasMouseEvents = false;
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}
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