test: share cursor density policy fixtures

2026-09-18 18:31:02 +03:00 · 2026-09-14 08:32:09 +08:00
parent 19040f3eef
commit 8cf138e2cc
3 changed files with 129 additions and 199 deletions
--- a/flutter/test/cursor_test_utils.dart
+++ b/flutter/test/cursor_test_utils.dart
@@ -0,0 +1,111 @@
+import 'dart:ui' as ui;
+
+import 'package:flutter/services.dart';
+import 'package:flutter/widgets.dart';
+import 'package:flutter_hbb/common.dart' as common;
+import 'package:flutter_hbb/models/input_model.dart';
+import 'package:flutter_hbb/models/model.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:get/get.dart';
+import 'package:image/image.dart' as img;
+
+class CursorTestImage extends ChangeNotifier implements ImageModel {
+  CursorTestImage({this.useTextureRender = false});
+  @override
+  final bool useTextureRender;
+  @override
+  ui.Image? get image => null;
+  @override
+  dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
+}
+
+class CursorTestCanvas extends ChangeNotifier implements CanvasModel {
+  CursorTestCanvas(this.devicePixelRatio,
+      {required this.style, required this.scale});
+
+  final String style;
+  @override
+  final double devicePixelRatio;
+  @override
+  final imageOverflow = false.obs;
+  @override
+  late final viewStyle = ViewStyle(
+    style: style,
+    width: size.width,
+    height: size.height,
+    displayWidth: 400,
+    displayHeight: 320,
+  );
+  @override
+  bool get cursorEmbedded => false;
+  @override
+  ScrollStyle get scrollStyle => ScrollStyle.scrollauto;
+  @override
+  Size get size => const Size(200, 160);
+  @override
+  final double scale;
+  @override
+  double get x => 0;
+  @override
+  double get y => 0;
+  @override
+  dynamic noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
+}
+
+class _Input extends Fake implements InputModel {
+  @override
+  final relativeMouseMode = false.obs;
+}
+
+class CursorTestPeer extends Fake implements FfiModel {
+  @override
+  final pi = PeerInfo();
+  @override
+  bool isPeerLinux = false;
+}
+
+class CursorTestFFI extends Fake implements FFI {
+  CursorTestFFI(this.canvasModel);
+  @override
+  final CanvasModel canvasModel;
+  @override
+  final inputModel = _Input();
+  @override
+  final CursorTestPeer ffiModel = CursorTestPeer();
+}
+
+void captureNativeCursors(List<Map<dynamic, dynamic>> registrations,
+    {List<String>? activations}) {
+  final binding = TestWidgetsFlutterBinding.ensureInitialized();
+  final channel = common.isWindows
+      ? SystemChannels.mouseCursor
+      : const MethodChannel('flutter_custom_cursor');
+  setUp(() {
+    registrations.clear();
+    activations?.clear();
+    binding.defaultBinaryMessenger.setMockMethodCallHandler(channel,
+        (call) async {
+      if (call.method.startsWith('setCustomCursor')) {
+        activations?.add(call.arguments['name'] as String);
+      }
+      if (!call.method.startsWith('createCustomCursor')) return null;
+      final args = call.arguments as Map<dynamic, dynamic>;
+      registrations.add(args);
+      return args['name'];
+    });
+  });
+  tearDown(() =>
+      binding.defaultBinaryMessenger.setMockMethodCallHandler(channel, null));
+}
+
+img.Image decodeNativeCursorRaster(Map<dynamic, dynamic> args) {
+  final bytes = args['buffer'] as Uint8List;
+  return common.isWindows
+      ? img.Image.fromBytes(
+          width: args['width'] as int,
+          height: args['height'] as int,
+          bytes: bytes.buffer,
+          bytesOffset: bytes.offsetInBytes,
+          order: img.ChannelOrder.bgra)
+      : img.decodePng(bytes)!;
+}