mirror of
https://github.com/rustdesk/rustdesk.git
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1061670368
Use the original Flutter image and source hotspot with explicit DPR, retaining the existing view and minimum-size policies. Pin the plugin implementation from rustdesk-org/flutter_custom_cursor#1.
109 lines
3.7 KiB
Dart
109 lines
3.7 KiB
Dart
// These tests drive the lifecycle normally owned by MouseTracker.
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// ignore_for_file: invalid_use_of_protected_member
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import 'dart:io';
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import 'dart:ui' as ui;
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import 'package:flutter/services.dart';
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import 'package:flutter_hbb/models/model.dart';
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import 'package:flutter_hbb/native/custom_cursor.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:image/image.dart' as img;
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class _CursorModel implements CursorModel {
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@override
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final Set<String> cachedKeys = {};
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@override
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void addKey(String key) => cachedKeys.add(key);
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@override
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dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
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}
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Future<CursorData> _data() async {
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final recorder = ui.PictureRecorder();
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ui.Canvas(recorder).drawColor(const ui.Color(0xff123456), ui.BlendMode.src);
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final picture = recorder.endRecording();
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final nativeImage = await picture.toImage(20, 30);
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picture.dispose();
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addTearDown(nativeImage.dispose);
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return CursorData(
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peerId: 'plugin',
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id: 'edit',
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image: img.Image(width: 20, height: 30, numChannels: 4),
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nativeImage: nativeImage,
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scale: 1,
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data: Uint8List.fromList([1, 2]),
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hotxOrigin: 4,
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hotyOrigin: 16,
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width: 20,
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height: 30);
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}
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void main() {
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final binding = TestWidgetsFlutterBinding.ensureInitialized();
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final view = binding.platformDispatcher.views.single;
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final channel = Platform.isWindows
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? SystemChannels.mouseCursor
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: const MethodChannel('flutter_custom_cursor');
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late List<Map<dynamic, dynamic>> registrations;
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setUp(() {
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registrations = [];
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binding.defaultBinaryMessenger.setMockMethodCallHandler(channel,
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(call) async {
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if (call.method.startsWith('createCustomCursor')) {
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final args = call.arguments as Map<dynamic, dynamic>;
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registrations.add(args);
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return args['name'];
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}
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return null;
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});
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});
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tearDown(() {
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view.resetDevicePixelRatio();
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binding.defaultBinaryMessenger.setMockMethodCallHandler(channel, null);
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});
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test('native bridge delegates rasterization and retains the minimum policy',
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() => _checkRasterization(view, registrations));
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test('live DPR changes invalidate a cached native cursor',
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() => _checkDprChange(view, registrations));
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}
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Future<void> _checkRasterization(
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TestFlutterView view, List<Map<dynamic, dynamic>> registrations) async {
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view.devicePixelRatio = 2;
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final data = await _data();
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final originalBytes = data.data;
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final cursor = _CursorModel();
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final session = buildCursorOfCache(cursor, 0.5, data).createSession(1);
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await session.activate();
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session.dispose();
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final args = registrations.single;
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final pixelsPerUnit = Platform.isWindows ? 1 : 2;
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expect(data.scale, 0.6);
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expect(identical(data.data, originalBytes), isTrue);
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expect(args['height'], 18 * pixelsPerUnit);
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expect(args['width'], (Platform.isLinux ? 18 : 12) * pixelsPerUnit);
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expect(args['imagePixelRatio'], 2.0);
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expect(args['hotX'], Platform.isMacOS ? 4.8 : 2 * pixelsPerUnit);
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expect(args['hotY'], Platform.isMacOS ? 19.2 : 10 * pixelsPerUnit);
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await deleteCustomCursor(args['name'] as String);
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}
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Future<void> _checkDprChange(
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TestFlutterView view, List<Map<dynamic, dynamic>> registrations) async {
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final data = await _data();
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final cursor = _CursorModel();
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for (final dpr in [2.0, 1.0]) {
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view.devicePixelRatio = dpr;
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final session = buildCursorOfCache(cursor, 1, data).createSession(1);
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await session.activate();
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session.dispose();
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}
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expect(registrations, hasLength(2));
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expect(registrations[0]['name'], isNot(registrations[1]['name']));
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for (final args in registrations) {
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await deleteCustomCursor(args['name'] as String);
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}
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}
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