wip: Add window_manager_windows package

packages/window_manager_windows/.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
+/pubspec.lock
+**/doc/api/
+.dart_tool/
+build/

packages/window_manager_windows/.metadata

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+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: "2663184aa79047d0a33a14a3b607954f8fdd8730"
+  channel: "stable"
+
+project_type: plugin
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 2663184aa79047d0a33a14a3b607954f8fdd8730
+      base_revision: 2663184aa79047d0a33a14a3b607954f8fdd8730
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

packages/window_manager_windows/CHANGELOG.md

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+## 0.0.1
+
+* TODO: Describe initial release.

packages/window_manager_windows/LICENSE

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+TODO: Add your license here.

packages/window_manager_windows/README.md

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+# window_manager_windows
+
+A new Flutter plugin project.
+
+## Getting Started
+
+This project is a starting point for a Flutter
+[plug-in package](https://flutter.dev/to/develop-plugins),
+a specialized package that includes platform-specific implementation code for
+Android and/or iOS.
+
+For help getting started with Flutter development, view the
+[online documentation](https://docs.flutter.dev), which offers tutorials,
+samples, guidance on mobile development, and a full API reference.
+
+The plugin project was generated without specifying the `--platforms` flag, no platforms are currently supported.
+To add platforms, run `flutter create -t plugin --platforms <platforms> .` in this directory.
+You can also find a detailed instruction on how to add platforms in the `pubspec.yaml` at https://flutter.dev/to/pubspec-plugin-platforms.

packages/window_manager_windows/analysis_options.yaml

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+include: package:flutter_lints/flutter.yaml
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

packages/window_manager_windows/lib/window_manager_windows.dart

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+// You have generated a new plugin project without specifying the `--platforms`
+// flag. A plugin project with no platform support was generated. To add a
+// platform, run `flutter create -t plugin --platforms <platforms> .` under the
+// same directory. You can also find a detailed instruction on how to add
+// platforms in the `pubspec.yaml` at
+// https://flutter.dev/to/pubspec-plugin-platforms.
+
+import 'window_manager_windows_platform_interface.dart';
+
+class WindowManagerWindows {
+  Future<String?> getPlatformVersion() {
+    return WindowManagerWindowsPlatform.instance.getPlatformVersion();
+  }
+}

packages/window_manager_windows/lib/window_manager_windows_method_channel.dart

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+import 'package:flutter/foundation.dart';
+import 'package:flutter/services.dart';
+
+import 'window_manager_windows_platform_interface.dart';
+
+/// An implementation of [WindowManagerWindowsPlatform] that uses method channels.
+class MethodChannelWindowManagerWindows extends WindowManagerWindowsPlatform {
+  /// The method channel used to interact with the native platform.
+  @visibleForTesting
+  final methodChannel = const MethodChannel('window_manager_windows');
+
+  @override
+  Future<String?> getPlatformVersion() async {
+    final version = await methodChannel.invokeMethod<String>('getPlatformVersion');
+    return version;
+  }
+}

packages/window_manager_windows/lib/window_manager_windows_platform_interface.dart

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+import 'package:plugin_platform_interface/plugin_platform_interface.dart';
+
+import 'window_manager_windows_method_channel.dart';
+
+abstract class WindowManagerWindowsPlatform extends PlatformInterface {
+  /// Constructs a WindowManagerWindowsPlatform.
+  WindowManagerWindowsPlatform() : super(token: _token);
+
+  static final Object _token = Object();
+
+  static WindowManagerWindowsPlatform _instance = MethodChannelWindowManagerWindows();
+
+  /// The default instance of [WindowManagerWindowsPlatform] to use.
+  ///
+  /// Defaults to [MethodChannelWindowManagerWindows].
+  static WindowManagerWindowsPlatform get instance => _instance;
+
+  /// Platform-specific implementations should set this with their own
+  /// platform-specific class that extends [WindowManagerWindowsPlatform] when
+  /// they register themselves.
+  static set instance(WindowManagerWindowsPlatform instance) {
+    PlatformInterface.verifyToken(instance, _token);
+    _instance = instance;
+  }
+
+  Future<String?> getPlatformVersion() {
+    throw UnimplementedError('platformVersion() has not been implemented.');
+  }
+}

packages/window_manager_windows/pubspec.yaml

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+name: window_manager_windows
+description: "A new Flutter plugin project."
+version: 0.0.1
+homepage:
+
+environment:
+  sdk: ^3.5.3
+  flutter: '>=3.3.0'
+
+dependencies:
+  flutter:
+    sdk: flutter
+  plugin_platform_interface: ^2.0.2
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_lints: ^4.0.0
+
+# For information on the generic Dart part of this file, see the
+# following page: https://dart.dev/tools/pub/pubspec
+
+# The following section is specific to Flutter packages.
+flutter:
+  # This section identifies this Flutter project as a plugin project.
+  # The 'pluginClass' specifies the class (in Java, Kotlin, Swift, Objective-C, etc.)
+  # which should be registered in the plugin registry. This is required for
+  # using method channels.
+  # The Android 'package' specifies package in which the registered class is.
+  # This is required for using method channels on Android.
+  # The 'ffiPlugin' specifies that native code should be built and bundled.
+  # This is required for using `dart:ffi`.
+  # All these are used by the tooling to maintain consistency when
+  # adding or updating assets for this project.
+  plugin:
+    platforms:
+    # This plugin project was generated without specifying any
+    # platforms with the `--platform` argument. If you see the `some_platform` map below, remove it and
+    # then add platforms following the instruction here:
+    # https://flutter.dev/to/pubspec-plugin-platforms
+    # -------------------
+      some_platform:
+        pluginClass: somePluginClass
+    # -------------------
+
+  # To add assets to your plugin package, add an assets section, like this:
+  # assets:
+  #   - images/a_dot_burr.jpeg
+  #   - images/a_dot_ham.jpeg
+  #
+  # For details regarding assets in packages, see
+  # https://flutter.dev/to/asset-from-package
+  #
+  # An image asset can refer to one or more resolution-specific "variants", see
+  # https://flutter.dev/to/resolution-aware-images
+
+  # To add custom fonts to your plugin package, add a fonts section here,
+  # in this "flutter" section. Each entry in this list should have a
+  # "family" key with the font family name, and a "fonts" key with a
+  # list giving the asset and other descriptors for the font. For
+  # example:
+  # fonts:
+  #   - family: Schyler
+  #     fonts:
+  #       - asset: fonts/Schyler-Regular.ttf
+  #       - asset: fonts/Schyler-Italic.ttf
+  #         style: italic
+  #   - family: Trajan Pro
+  #     fonts:
+  #       - asset: fonts/TrajanPro.ttf
+  #       - asset: fonts/TrajanPro_Bold.ttf
+  #         weight: 700
+  #
+  # For details regarding fonts in packages, see
+  # https://flutter.dev/to/font-from-package

packages/window_manager_windows/test/window_manager_windows_method_channel_test.dart

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+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:window_manager_windows/window_manager_windows_method_channel.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  MethodChannelWindowManagerWindows platform = MethodChannelWindowManagerWindows();
+  const MethodChannel channel = MethodChannel('window_manager_windows');
+
+  setUp(() {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockMethodCallHandler(
+      channel,
+      (MethodCall methodCall) async {
+        return '42';
+      },
+    );
+  });
+
+  tearDown(() {
+    TestDefaultBinaryMessengerBinding.instance.defaultBinaryMessenger.setMockMethodCallHandler(channel, null);
+  });
+
+  test('getPlatformVersion', () async {
+    expect(await platform.getPlatformVersion(), '42');
+  });
+}

packages/window_manager_windows/test/window_manager_windows_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:window_manager_windows/window_manager_windows.dart';
+import 'package:window_manager_windows/window_manager_windows_platform_interface.dart';
+import 'package:window_manager_windows/window_manager_windows_method_channel.dart';
+import 'package:plugin_platform_interface/plugin_platform_interface.dart';
+
+class MockWindowManagerWindowsPlatform
+    with MockPlatformInterfaceMixin
+    implements WindowManagerWindowsPlatform {
+
+  @override
+  Future<String?> getPlatformVersion() => Future.value('42');
+}
+
+void main() {
+  final WindowManagerWindowsPlatform initialPlatform = WindowManagerWindowsPlatform.instance;
+
+  test('$MethodChannelWindowManagerWindows is the default instance', () {
+    expect(initialPlatform, isInstanceOf<MethodChannelWindowManagerWindows>());
+  });
+
+  test('getPlatformVersion', () async {
+    WindowManagerWindows windowManagerWindowsPlugin = WindowManagerWindows();
+    MockWindowManagerWindowsPlatform fakePlatform = MockWindowManagerWindowsPlatform();
+    WindowManagerWindowsPlatform.instance = fakePlatform;
+
+    expect(await windowManagerWindowsPlugin.getPlatformVersion(), '42');
+  });
+}