snapshot of https://github.com/flutter/samples.git (main, 2026-09-16; blobs > 131072B omitted)

desktop_photo_search/fluent_ui/.gitignore

@@ -0,0 +1,46 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# 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
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins
+.flutter-plugins-dependencies
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Web related
+lib/generated_plugin_registrant.dart
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release

desktop_photo_search/fluent_ui/.metadata

@@ -0,0 +1,36 @@
+# 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: "db7ef5bf9f59442b0e200a90587e8fa5e0c6336a"
+  channel: "stable"
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: db7ef5bf9f59442b0e200a90587e8fa5e0c6336a
+      base_revision: db7ef5bf9f59442b0e200a90587e8fa5e0c6336a
+    - platform: linux
+      create_revision: db7ef5bf9f59442b0e200a90587e8fa5e0c6336a
+      base_revision: db7ef5bf9f59442b0e200a90587e8fa5e0c6336a
+    - platform: macos
+      create_revision: db7ef5bf9f59442b0e200a90587e8fa5e0c6336a
+      base_revision: db7ef5bf9f59442b0e200a90587e8fa5e0c6336a
+    - platform: windows
+      create_revision: db7ef5bf9f59442b0e200a90587e8fa5e0c6336a
+      base_revision: db7ef5bf9f59442b0e200a90587e8fa5e0c6336a
+
+  # 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'

desktop_photo_search/fluent_ui/README.md

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+# Photo Search app
+
+This desktop application enables you to search 
+[Unsplash](https://unsplash.com/) for photographs that interest you. 
+To use it, you need to add an **Access Key** from 
+[Unsplash API](https://unsplash.com/developers) to
+`lib/unsplash_access_key.dart`.
+
+This sample works on Windows, macOS and Linux.
+
+## A quick tour of the code
+
+This Flutter project builds a desktop application. It utilises the following
+desktop specific plugins:
+
+  - [fluent_ui] for the Fluent UI widget set
+  - [file_chooser] to enable the application user to select where to save a photo
+    from the Unsplash API.
+  - [menubar] for exposing Image Search functionality through the menu bar.
+  - [url_launcher] to open external links.
+
+The Unsplash API client entry point is in the [Unsplash] class, and is built
+atop [http], [built_value] and [built_collection] for JSON Rest API access.
+
+## Deploying to the Microsoft Store
+
+This sample uses Yehuda Kremer's [MSIX pub package] to bundle up the Windows 
+release build for distribution to the [Microsoft Store]. Microsoft maintains 
+a [plethora of documentation][ms_store_publishing_doc] on deploying to the 
+Microsoft Store. 
+
+See the `msix_config` stanza in this sample's `pubspec.yaml` for an
+example configuration. Make sure the `display_name`, `publisher_display_name`,
+`publisher` and `identity_name` attributes match the settings in your 
+Microsoft Partner Center application submission.
+
+## macOS Network and File entitlements
+
+To access the network, macOS requires applications enable the
+[com.apple.security.network.client entitlement][macOS-client]. For this
+sample, this entitlement is required to access the Unsplash API.
+
+Likewise, to save a Photo to the local file system using the `file_chooser` plugin requires the
+[com.apple.security.files.user-selected.read-write entitlement][macOS-read-write].
+
+Please see [macOS Signing and Security][macOS-security] for more detail.
+
+
+[Unsplash]: lib/src/unsplash/unsplash.dart
+
+[built_collection]: https://pub.dev/packages/built_collection
+[built_value]: https://pub.dev/packages/built_value
+[file_chooser]: https://github.com/google/flutter-desktop-embedding/tree/master/plugins/file_chooser
+[fluent_ui]: https://pub.dev/packages/fluent_ui
+[flutter_channels]: https://github.com/flutter/flutter/blob/master/docs/releases/Flutter-build-release-channels.md
+[http]: https://pub.dev/packages/http
+[macOS-client]: https://developer.apple.com/documentation/bundleresources/entitlements/com_apple_security_network_client
+[macOS-read-write]: https://developer.apple.com/documentation/bundleresources/entitlements/com_apple_security_files_user-selected_read-write
+[macOS-security]: https://github.com/google/flutter-desktop-embedding/blob/master/macOS-Security.md
+[menubar]: https://github.com/google/flutter-desktop-embedding/tree/master/plugins/menubar
+[setup documentation]: https://flutter.dev/desktop#set-up
+[url_launcher]: https://pub.dev/packages/url_launcher
+
+[MSIX pub package]: https://pub.dev/packages/msix
+[Microsoft Store]: https://www.microsoft.com/en-au/p/flutter-desktop-photo-search/9nh719dxcpj4
+[ms_store_publishing_doc]: https://docs.microsoft.com/en-us/windows/uwp/publish/

desktop_photo_search/fluent_ui/analysis_options.yaml

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+include: ../../analysis_options.yaml
+
+linter:
+  rules:
+    sort_pub_dependencies: true

desktop_photo_search/fluent_ui/lib/main.dart

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+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:io';
+
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:flutter/services.dart';
+import 'package:logging/logging.dart';
+import 'package:menubar/menubar.dart' as menubar;
+import 'package:provider/provider.dart';
+
+import 'src/model/photo_search_model.dart';
+import 'src/unsplash/unsplash.dart';
+import 'src/widgets/photo_search_dialog.dart';
+import 'src/widgets/policy_dialog.dart';
+import 'src/widgets/unsplash_notice.dart';
+import 'src/widgets/unsplash_search_content.dart';
+import 'unsplash_access_key.dart';
+
+void main() {
+  Logger.root.level = Level.ALL;
+  Logger.root.onRecord.listen((rec) {
+    // ignore: avoid_print
+    print(
+      '${rec.loggerName} ${rec.level.name}: ${rec.time}: ${rec.message}',
+    );
+  });
+
+  if (unsplashAccessKey.isEmpty) {
+    Logger('main').severe(
+      'Unsplash Access Key is required. '
+      'Please add to `lib/unsplash_access_key.dart`.',
+    );
+    exit(1);
+  }
+
+  // Removed setupWindow() call
+
+  runApp(
+    ChangeNotifierProvider<PhotoSearchModel>(
+      create: (context) =>
+          PhotoSearchModel(Unsplash(accessKey: unsplashAccessKey)),
+      child: const UnsplashSearchApp(),
+    ),
+  );
+}
+
+class UnsplashSearchApp extends StatelessWidget {
+  const UnsplashSearchApp({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return const FluentApp(
+      title: 'Photo Search',
+      home: UnsplashHomePage(title: 'Photo Search'),
+    );
+  }
+}
+
+class UnsplashHomePage extends StatelessWidget {
+  const UnsplashHomePage({required this.title, super.key});
+  final String title;
+
+  @override
+  Widget build(BuildContext context) {
+    final photoSearchModel = Provider.of<PhotoSearchModel>(context);
+    menubar.setApplicationMenu([
+      menubar.NativeSubmenu(
+        label: 'Search',
+        children: [
+          menubar.NativeMenuItem(
+            label: 'Search…',
+            onSelected: () {
+              showDialog<void>(
+                context: context,
+                builder: (context) => PhotoSearchDialog(
+                  callback: photoSearchModel.addSearch,
+                ),
+              );
+            },
+          ),
+          if (!Platform.isMacOS)
+            menubar.NativeMenuItem(
+              label: 'Quit',
+              onSelected: () {
+                SystemNavigator.pop();
+              },
+            ),
+        ],
+      ),
+      menubar.NativeSubmenu(
+        label: 'About',
+        children: [
+          menubar.NativeMenuItem(
+            label: 'About',
+            onSelected: () {
+              showDialog<void>(
+                context: context,
+                builder: (context) => const PolicyDialog(),
+              );
+            },
+          ),
+        ],
+      ),
+    ]);
+
+    return UnsplashNotice(
+      child: Container(
+        color: Colors.white,
+        child: photoSearchModel.entries.isNotEmpty
+            ? const UnsplashSearchContent()
+            : const Center(
+                child: Text('Search for Photos using the Search menu'),
+              ),
+      ),
+    );
+  }
+}

desktop_photo_search/fluent_ui/lib/src/model/photo_search_model.dart

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+// Copyright 2019 The Flutter team. 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/foundation.dart';
+
+import '../unsplash/photo.dart';
+import '../unsplash/unsplash.dart';
+import 'search.dart';
+
+class SearchEntry {
+  const SearchEntry(this.query, this.photos, this.model);
+  final String query;
+  final List<Photo> photos;
+  final PhotoSearchModel model;
+}
+
+class PhotoSearchModel extends ChangeNotifier {
+  PhotoSearchModel(this._client);
+  final Unsplash _client;
+
+  List<SearchEntry> get entries => List.unmodifiable(_entries);
+  final List<SearchEntry> _entries = [];
+
+  Photo? get selectedPhoto => _selectedPhoto;
+  set selectedPhoto(Photo? photo) {
+    _selectedPhoto = photo;
+    notifyListeners();
+  }
+
+  Photo? _selectedPhoto;
+
+  Future<void> addSearch(String query) async {
+    final result = await _client.searchPhotos(
+      query: query,
+      orientation: SearchPhotosOrientation.portrait,
+    );
+    final search = Search((s) {
+      s
+        ..query = query
+        ..results.addAll(result!.results);
+    });
+
+    _entries.add(SearchEntry(query, search.results.toList(), this));
+    notifyListeners();
+  }
+
+  Future<Uint8List> download({required Photo photo}) =>
+      _client.download(photo);
+}

desktop_photo_search/fluent_ui/lib/src/model/search.dart

@@ -0,0 +1,38 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_collection/built_collection.dart';
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+import '../unsplash/photo.dart';
+
+part 'search.g.dart';
+
+abstract class Search implements Built<Search, SearchBuilder> {
+  factory Search([void Function(SearchBuilder)? updates]) = _$Search;
+  Search._();
+
+  @BuiltValueField(wireName: 'query')
+  String get query;
+
+  @BuiltValueField(wireName: 'results')
+  BuiltList<Photo> get results;
+
+  String toJson() {
+    return json.encode(serializers.serializeWith(Search.serializer, this));
+  }
+
+  static Search? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      Search.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<Search> get serializer => _$searchSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/model/search.g.dart

@@ -0,0 +1,200 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'search.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<Search> _$searchSerializer = new _$SearchSerializer();
+
+class _$SearchSerializer implements StructuredSerializer<Search> {
+  @override
+  final Iterable<Type> types = const [Search, _$Search];
+  @override
+  final String wireName = 'Search';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    Search object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[
+      'query',
+      serializers.serialize(
+        object.query,
+        specifiedType: const FullType(String),
+      ),
+      'results',
+      serializers.serialize(
+        object.results,
+        specifiedType: const FullType(BuiltList, const [
+          const FullType(Photo),
+        ]),
+      ),
+    ];
+
+    return result;
+  }
+
+  @override
+  Search deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new SearchBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'query':
+          result.query =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )!
+                  as String;
+          break;
+        case 'results':
+          result.results.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(BuiltList, const [
+                    const FullType(Photo),
+                  ]),
+                )!
+                as BuiltList<Object?>,
+          );
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$Search extends Search {
+  @override
+  final String query;
+  @override
+  final BuiltList<Photo> results;
+
+  factory _$Search([void Function(SearchBuilder)? updates]) =>
+      (new SearchBuilder()..update(updates))._build();
+
+  _$Search._({required this.query, required this.results}) : super._() {
+    BuiltValueNullFieldError.checkNotNull(query, r'Search', 'query');
+    BuiltValueNullFieldError.checkNotNull(results, r'Search', 'results');
+  }
+
+  @override
+  Search rebuild(void Function(SearchBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  SearchBuilder toBuilder() => new SearchBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is Search && query == other.query && results == other.results;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, query.hashCode);
+    _$hash = $jc(_$hash, results.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'Search')
+          ..add('query', query)
+          ..add('results', results))
+        .toString();
+  }
+}
+
+class SearchBuilder implements Builder<Search, SearchBuilder> {
+  _$Search? _$v;
+
+  String? _query;
+  String? get query => _$this._query;
+  set query(String? query) => _$this._query = query;
+
+  ListBuilder<Photo>? _results;
+  ListBuilder<Photo> get results =>
+      _$this._results ??= new ListBuilder<Photo>();
+  set results(ListBuilder<Photo>? results) => _$this._results = results;
+
+  SearchBuilder();
+
+  SearchBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _query = $v.query;
+      _results = $v.results.toBuilder();
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(Search other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$Search;
+  }
+
+  @override
+  void update(void Function(SearchBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  Search build() => _build();
+
+  _$Search _build() {
+    _$Search _$result;
+    try {
+      _$result =
+          _$v ??
+          new _$Search._(
+            query: BuiltValueNullFieldError.checkNotNull(
+              query,
+              r'Search',
+              'query',
+            ),
+            results: results.build(),
+          );
+    } catch (_) {
+      late String _$failedField;
+      try {
+        _$failedField = 'results';
+        results.build();
+      } catch (e) {
+        throw new BuiltValueNestedFieldError(
+          r'Search',
+          _$failedField,
+          e.toString(),
+        );
+      }
+      rethrow;
+    }
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/serializers.dart

@@ -0,0 +1,27 @@
+// Copyright 2019 The Flutter team. 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:built_collection/built_collection.dart';
+import 'package:built_value/serializer.dart';
+import 'package:built_value/standard_json_plugin.dart';
+
+import 'model/search.dart';
+import 'unsplash/api_error.dart';
+import 'unsplash/current_user_collections.dart';
+import 'unsplash/exif.dart';
+import 'unsplash/links.dart';
+import 'unsplash/location.dart';
+import 'unsplash/photo.dart';
+import 'unsplash/position.dart';
+import 'unsplash/search_photos_response.dart';
+import 'unsplash/tags.dart';
+import 'unsplash/urls.dart';
+import 'unsplash/user.dart';
+
+part 'serializers.g.dart';
+
+//add all of the built value types that require serialization
+@SerializersFor([Search, ApiError, Photo, SearchPhotosResponse])
+final Serializers serializers =
+    (_$serializers.toBuilder()..addPlugin(StandardJsonPlugin())).build();

desktop_photo_search/fluent_ui/lib/src/serializers.g.dart

@@ -0,0 +1,51 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'serializers.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializers _$serializers =
+    (new Serializers().toBuilder()
+          ..add(ApiError.serializer)
+          ..add(CurrentUserCollections.serializer)
+          ..add(Exif.serializer)
+          ..add(Links.serializer)
+          ..add(Location.serializer)
+          ..add(Photo.serializer)
+          ..add(Position.serializer)
+          ..add(Search.serializer)
+          ..add(SearchPhotosResponse.serializer)
+          ..add(Tags.serializer)
+          ..add(Urls.serializer)
+          ..add(User.serializer)
+          ..addBuilderFactory(
+            const FullType(BuiltList, const [const FullType(Photo)]),
+            () => new ListBuilder<Photo>(),
+          )
+          ..addBuilderFactory(
+            const FullType(BuiltList, const [const FullType(Photo)]),
+            () => new ListBuilder<Photo>(),
+          )
+          ..addBuilderFactory(
+            const FullType(BuiltList, const [const FullType(String)]),
+            () => new ListBuilder<String>(),
+          )
+          ..addBuilderFactory(
+            const FullType(BuiltList, const [const FullType(Tags)]),
+            () => new ListBuilder<Tags>(),
+          )
+          ..addBuilderFactory(
+            const FullType(BuiltList, const [
+              const FullType(CurrentUserCollections),
+            ]),
+            () => new ListBuilder<CurrentUserCollections>(),
+          ))
+        .build();
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/api_error.dart

@@ -0,0 +1,37 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_collection/built_collection.dart';
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+
+part 'api_error.g.dart';
+
+abstract class ApiError implements Built<ApiError, ApiErrorBuilder> {
+  factory ApiError([void Function(ApiErrorBuilder)? updates]) = _$ApiError;
+
+  ApiError._();
+
+  @BuiltValueField(wireName: 'errors')
+  BuiltList<String>? get errors;
+
+  String toJson() {
+    return json.encode(
+      serializers.serializeWith(ApiError.serializer, this),
+    );
+  }
+
+  static ApiError? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      ApiError.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<ApiError> get serializer => _$apiErrorSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/api_error.g.dart

@@ -0,0 +1,171 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'api_error.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<ApiError> _$apiErrorSerializer = new _$ApiErrorSerializer();
+
+class _$ApiErrorSerializer implements StructuredSerializer<ApiError> {
+  @override
+  final Iterable<Type> types = const [ApiError, _$ApiError];
+  @override
+  final String wireName = 'ApiError';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    ApiError object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[];
+    Object? value;
+    value = object.errors;
+    if (value != null) {
+      result
+        ..add('errors')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(BuiltList, const [
+              const FullType(String),
+            ]),
+          ),
+        );
+    }
+    return result;
+  }
+
+  @override
+  ApiError deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new ApiErrorBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'errors':
+          result.errors.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(BuiltList, const [
+                    const FullType(String),
+                  ]),
+                )!
+                as BuiltList<Object?>,
+          );
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$ApiError extends ApiError {
+  @override
+  final BuiltList<String>? errors;
+
+  factory _$ApiError([void Function(ApiErrorBuilder)? updates]) =>
+      (new ApiErrorBuilder()..update(updates))._build();
+
+  _$ApiError._({this.errors}) : super._();
+
+  @override
+  ApiError rebuild(void Function(ApiErrorBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  ApiErrorBuilder toBuilder() => new ApiErrorBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is ApiError && errors == other.errors;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, errors.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(
+      r'ApiError',
+    )..add('errors', errors)).toString();
+  }
+}
+
+class ApiErrorBuilder implements Builder<ApiError, ApiErrorBuilder> {
+  _$ApiError? _$v;
+
+  ListBuilder<String>? _errors;
+  ListBuilder<String> get errors =>
+      _$this._errors ??= new ListBuilder<String>();
+  set errors(ListBuilder<String>? errors) => _$this._errors = errors;
+
+  ApiErrorBuilder();
+
+  ApiErrorBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _errors = $v.errors?.toBuilder();
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(ApiError other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$ApiError;
+  }
+
+  @override
+  void update(void Function(ApiErrorBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  ApiError build() => _build();
+
+  _$ApiError _build() {
+    _$ApiError _$result;
+    try {
+      _$result = _$v ?? new _$ApiError._(errors: _errors?.build());
+    } catch (_) {
+      late String _$failedField;
+      try {
+        _$failedField = 'errors';
+        _errors?.build();
+      } catch (e) {
+        throw new BuiltValueNestedFieldError(
+          r'ApiError',
+          _$failedField,
+          e.toString(),
+        );
+      }
+      rethrow;
+    }
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/current_user_collections.dart

@@ -0,0 +1,49 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+
+part 'current_user_collections.g.dart';
+
+abstract class CurrentUserCollections
+    implements Built<CurrentUserCollections, CurrentUserCollectionsBuilder> {
+  factory CurrentUserCollections([
+    void Function(CurrentUserCollectionsBuilder)? updates,
+  ]) = _$CurrentUserCollections;
+
+  CurrentUserCollections._();
+
+  @BuiltValueField(wireName: 'id')
+  int get id;
+
+  @BuiltValueField(wireName: 'title')
+  String? get title;
+
+  @BuiltValueField(wireName: 'published_at')
+  String? get publishedAt;
+
+  @BuiltValueField(wireName: 'updated_at')
+  String? get updatedAt;
+
+  String toJson() {
+    return json.encode(
+      serializers.serializeWith(CurrentUserCollections.serializer, this),
+    );
+  }
+
+  static CurrentUserCollections? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      CurrentUserCollections.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<CurrentUserCollections> get serializer =>
+      _$currentUserCollectionsSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/current_user_collections.g.dart

@@ -0,0 +1,260 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'current_user_collections.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<CurrentUserCollections> _$currentUserCollectionsSerializer =
+    new _$CurrentUserCollectionsSerializer();
+
+class _$CurrentUserCollectionsSerializer
+    implements StructuredSerializer<CurrentUserCollections> {
+  @override
+  final Iterable<Type> types = const [
+    CurrentUserCollections,
+    _$CurrentUserCollections,
+  ];
+  @override
+  final String wireName = 'CurrentUserCollections';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    CurrentUserCollections object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[
+      'id',
+      serializers.serialize(object.id, specifiedType: const FullType(int)),
+    ];
+    Object? value;
+    value = object.title;
+    if (value != null) {
+      result
+        ..add('title')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.publishedAt;
+    if (value != null) {
+      result
+        ..add('published_at')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.updatedAt;
+    if (value != null) {
+      result
+        ..add('updated_at')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    return result;
+  }
+
+  @override
+  CurrentUserCollections deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new CurrentUserCollectionsBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'id':
+          result.id =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )!
+                  as int;
+          break;
+        case 'title':
+          result.title =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'published_at':
+          result.publishedAt =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'updated_at':
+          result.updatedAt =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$CurrentUserCollections extends CurrentUserCollections {
+  @override
+  final int id;
+  @override
+  final String? title;
+  @override
+  final String? publishedAt;
+  @override
+  final String? updatedAt;
+
+  factory _$CurrentUserCollections([
+    void Function(CurrentUserCollectionsBuilder)? updates,
+  ]) => (new CurrentUserCollectionsBuilder()..update(updates))._build();
+
+  _$CurrentUserCollections._({
+    required this.id,
+    this.title,
+    this.publishedAt,
+    this.updatedAt,
+  }) : super._() {
+    BuiltValueNullFieldError.checkNotNull(
+      id,
+      r'CurrentUserCollections',
+      'id',
+    );
+  }
+
+  @override
+  CurrentUserCollections rebuild(
+    void Function(CurrentUserCollectionsBuilder) updates,
+  ) => (toBuilder()..update(updates)).build();
+
+  @override
+  CurrentUserCollectionsBuilder toBuilder() =>
+      new CurrentUserCollectionsBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is CurrentUserCollections &&
+        id == other.id &&
+        title == other.title &&
+        publishedAt == other.publishedAt &&
+        updatedAt == other.updatedAt;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, id.hashCode);
+    _$hash = $jc(_$hash, title.hashCode);
+    _$hash = $jc(_$hash, publishedAt.hashCode);
+    _$hash = $jc(_$hash, updatedAt.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'CurrentUserCollections')
+          ..add('id', id)
+          ..add('title', title)
+          ..add('publishedAt', publishedAt)
+          ..add('updatedAt', updatedAt))
+        .toString();
+  }
+}
+
+class CurrentUserCollectionsBuilder
+    implements Builder<CurrentUserCollections, CurrentUserCollectionsBuilder> {
+  _$CurrentUserCollections? _$v;
+
+  int? _id;
+  int? get id => _$this._id;
+  set id(int? id) => _$this._id = id;
+
+  String? _title;
+  String? get title => _$this._title;
+  set title(String? title) => _$this._title = title;
+
+  String? _publishedAt;
+  String? get publishedAt => _$this._publishedAt;
+  set publishedAt(String? publishedAt) => _$this._publishedAt = publishedAt;
+
+  String? _updatedAt;
+  String? get updatedAt => _$this._updatedAt;
+  set updatedAt(String? updatedAt) => _$this._updatedAt = updatedAt;
+
+  CurrentUserCollectionsBuilder();
+
+  CurrentUserCollectionsBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _id = $v.id;
+      _title = $v.title;
+      _publishedAt = $v.publishedAt;
+      _updatedAt = $v.updatedAt;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(CurrentUserCollections other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$CurrentUserCollections;
+  }
+
+  @override
+  void update(void Function(CurrentUserCollectionsBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  CurrentUserCollections build() => _build();
+
+  _$CurrentUserCollections _build() {
+    final _$result =
+        _$v ??
+        new _$CurrentUserCollections._(
+          id: BuiltValueNullFieldError.checkNotNull(
+            id,
+            r'CurrentUserCollections',
+            'id',
+          ),
+          title: title,
+          publishedAt: publishedAt,
+          updatedAt: updatedAt,
+        );
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/exif.dart

@@ -0,0 +1,49 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+
+part 'exif.g.dart';
+
+abstract class Exif implements Built<Exif, ExifBuilder> {
+  factory Exif([void Function(ExifBuilder)? updates]) = _$Exif;
+
+  Exif._();
+
+  @BuiltValueField(wireName: 'make')
+  String? get make;
+
+  @BuiltValueField(wireName: 'model')
+  String? get model;
+
+  @BuiltValueField(wireName: 'exposure_time')
+  String? get exposureTime;
+
+  @BuiltValueField(wireName: 'aperture')
+  String? get aperture;
+
+  @BuiltValueField(wireName: 'focal_length')
+  String? get focalLength;
+
+  @BuiltValueField(wireName: 'iso')
+  int? get iso;
+
+  String toJson() {
+    return json.encode(serializers.serializeWith(Exif.serializer, this));
+  }
+
+  static Exif? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      Exif.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<Exif> get serializer => _$exifSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/exif.g.dart

@@ -0,0 +1,309 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'exif.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<Exif> _$exifSerializer = new _$ExifSerializer();
+
+class _$ExifSerializer implements StructuredSerializer<Exif> {
+  @override
+  final Iterable<Type> types = const [Exif, _$Exif];
+  @override
+  final String wireName = 'Exif';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    Exif object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[];
+    Object? value;
+    value = object.make;
+    if (value != null) {
+      result
+        ..add('make')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.model;
+    if (value != null) {
+      result
+        ..add('model')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.exposureTime;
+    if (value != null) {
+      result
+        ..add('exposure_time')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.aperture;
+    if (value != null) {
+      result
+        ..add('aperture')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.focalLength;
+    if (value != null) {
+      result
+        ..add('focal_length')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.iso;
+    if (value != null) {
+      result
+        ..add('iso')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    return result;
+  }
+
+  @override
+  Exif deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new ExifBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'make':
+          result.make =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'model':
+          result.model =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'exposure_time':
+          result.exposureTime =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'aperture':
+          result.aperture =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'focal_length':
+          result.focalLength =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'iso':
+          result.iso =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$Exif extends Exif {
+  @override
+  final String? make;
+  @override
+  final String? model;
+  @override
+  final String? exposureTime;
+  @override
+  final String? aperture;
+  @override
+  final String? focalLength;
+  @override
+  final int? iso;
+
+  factory _$Exif([void Function(ExifBuilder)? updates]) =>
+      (new ExifBuilder()..update(updates))._build();
+
+  _$Exif._({
+    this.make,
+    this.model,
+    this.exposureTime,
+    this.aperture,
+    this.focalLength,
+    this.iso,
+  }) : super._();
+
+  @override
+  Exif rebuild(void Function(ExifBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  ExifBuilder toBuilder() => new ExifBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is Exif &&
+        make == other.make &&
+        model == other.model &&
+        exposureTime == other.exposureTime &&
+        aperture == other.aperture &&
+        focalLength == other.focalLength &&
+        iso == other.iso;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, make.hashCode);
+    _$hash = $jc(_$hash, model.hashCode);
+    _$hash = $jc(_$hash, exposureTime.hashCode);
+    _$hash = $jc(_$hash, aperture.hashCode);
+    _$hash = $jc(_$hash, focalLength.hashCode);
+    _$hash = $jc(_$hash, iso.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'Exif')
+          ..add('make', make)
+          ..add('model', model)
+          ..add('exposureTime', exposureTime)
+          ..add('aperture', aperture)
+          ..add('focalLength', focalLength)
+          ..add('iso', iso))
+        .toString();
+  }
+}
+
+class ExifBuilder implements Builder<Exif, ExifBuilder> {
+  _$Exif? _$v;
+
+  String? _make;
+  String? get make => _$this._make;
+  set make(String? make) => _$this._make = make;
+
+  String? _model;
+  String? get model => _$this._model;
+  set model(String? model) => _$this._model = model;
+
+  String? _exposureTime;
+  String? get exposureTime => _$this._exposureTime;
+  set exposureTime(String? exposureTime) =>
+      _$this._exposureTime = exposureTime;
+
+  String? _aperture;
+  String? get aperture => _$this._aperture;
+  set aperture(String? aperture) => _$this._aperture = aperture;
+
+  String? _focalLength;
+  String? get focalLength => _$this._focalLength;
+  set focalLength(String? focalLength) => _$this._focalLength = focalLength;
+
+  int? _iso;
+  int? get iso => _$this._iso;
+  set iso(int? iso) => _$this._iso = iso;
+
+  ExifBuilder();
+
+  ExifBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _make = $v.make;
+      _model = $v.model;
+      _exposureTime = $v.exposureTime;
+      _aperture = $v.aperture;
+      _focalLength = $v.focalLength;
+      _iso = $v.iso;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(Exif other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$Exif;
+  }
+
+  @override
+  void update(void Function(ExifBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  Exif build() => _build();
+
+  _$Exif _build() {
+    final _$result =
+        _$v ??
+        new _$Exif._(
+          make: make,
+          model: model,
+          exposureTime: exposureTime,
+          aperture: aperture,
+          focalLength: focalLength,
+          iso: iso,
+        );
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/links.dart

@@ -0,0 +1,43 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+
+part 'links.g.dart';
+
+abstract class Links implements Built<Links, LinksBuilder> {
+  factory Links([void Function(LinksBuilder)? updates]) = _$Links;
+
+  Links._();
+
+  @BuiltValueField(wireName: 'self')
+  String? get self;
+
+  @BuiltValueField(wireName: 'html')
+  String? get html;
+
+  @BuiltValueField(wireName: 'download')
+  String? get download;
+
+  @BuiltValueField(wireName: 'download_location')
+  String? get downloadLocation;
+
+  String toJson() {
+    return json.encode(serializers.serializeWith(Links.serializer, this));
+  }
+
+  static Links? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      Links.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<Links> get serializer => _$linksSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/links.g.dart

@@ -0,0 +1,246 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'links.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<Links> _$linksSerializer = new _$LinksSerializer();
+
+class _$LinksSerializer implements StructuredSerializer<Links> {
+  @override
+  final Iterable<Type> types = const [Links, _$Links];
+  @override
+  final String wireName = 'Links';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    Links object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[];
+    Object? value;
+    value = object.self;
+    if (value != null) {
+      result
+        ..add('self')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.html;
+    if (value != null) {
+      result
+        ..add('html')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.download;
+    if (value != null) {
+      result
+        ..add('download')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.downloadLocation;
+    if (value != null) {
+      result
+        ..add('download_location')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    return result;
+  }
+
+  @override
+  Links deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new LinksBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'self':
+          result.self =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'html':
+          result.html =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'download':
+          result.download =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'download_location':
+          result.downloadLocation =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$Links extends Links {
+  @override
+  final String? self;
+  @override
+  final String? html;
+  @override
+  final String? download;
+  @override
+  final String? downloadLocation;
+
+  factory _$Links([void Function(LinksBuilder)? updates]) =>
+      (new LinksBuilder()..update(updates))._build();
+
+  _$Links._({this.self, this.html, this.download, this.downloadLocation})
+    : super._();
+
+  @override
+  Links rebuild(void Function(LinksBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  LinksBuilder toBuilder() => new LinksBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is Links &&
+        self == other.self &&
+        html == other.html &&
+        download == other.download &&
+        downloadLocation == other.downloadLocation;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, self.hashCode);
+    _$hash = $jc(_$hash, html.hashCode);
+    _$hash = $jc(_$hash, download.hashCode);
+    _$hash = $jc(_$hash, downloadLocation.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'Links')
+          ..add('self', self)
+          ..add('html', html)
+          ..add('download', download)
+          ..add('downloadLocation', downloadLocation))
+        .toString();
+  }
+}
+
+class LinksBuilder implements Builder<Links, LinksBuilder> {
+  _$Links? _$v;
+
+  String? _self;
+  String? get self => _$this._self;
+  set self(String? self) => _$this._self = self;
+
+  String? _html;
+  String? get html => _$this._html;
+  set html(String? html) => _$this._html = html;
+
+  String? _download;
+  String? get download => _$this._download;
+  set download(String? download) => _$this._download = download;
+
+  String? _downloadLocation;
+  String? get downloadLocation => _$this._downloadLocation;
+  set downloadLocation(String? downloadLocation) =>
+      _$this._downloadLocation = downloadLocation;
+
+  LinksBuilder();
+
+  LinksBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _self = $v.self;
+      _html = $v.html;
+      _download = $v.download;
+      _downloadLocation = $v.downloadLocation;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(Links other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$Links;
+  }
+
+  @override
+  void update(void Function(LinksBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  Links build() => _build();
+
+  _$Links _build() {
+    final _$result =
+        _$v ??
+        new _$Links._(
+          self: self,
+          html: html,
+          download: download,
+          downloadLocation: downloadLocation,
+        );
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/location.dart

@@ -0,0 +1,43 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+import 'position.dart';
+
+part 'location.g.dart';
+
+abstract class Location implements Built<Location, LocationBuilder> {
+  factory Location([void Function(LocationBuilder)? updates]) = _$Location;
+
+  Location._();
+
+  @BuiltValueField(wireName: 'city')
+  String? get city;
+
+  @BuiltValueField(wireName: 'country')
+  String? get country;
+
+  @BuiltValueField(wireName: 'position')
+  Position? get position;
+
+  String toJson() {
+    return json.encode(
+      serializers.serializeWith(Location.serializer, this),
+    );
+  }
+
+  static Location? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      Location.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<Location> get serializer => _$locationSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/location.g.dart

@@ -0,0 +1,231 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'location.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<Location> _$locationSerializer = new _$LocationSerializer();
+
+class _$LocationSerializer implements StructuredSerializer<Location> {
+  @override
+  final Iterable<Type> types = const [Location, _$Location];
+  @override
+  final String wireName = 'Location';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    Location object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[];
+    Object? value;
+    value = object.city;
+    if (value != null) {
+      result
+        ..add('city')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.country;
+    if (value != null) {
+      result
+        ..add('country')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.position;
+    if (value != null) {
+      result
+        ..add('position')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(Position),
+          ),
+        );
+    }
+    return result;
+  }
+
+  @override
+  Location deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new LocationBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'city':
+          result.city =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'country':
+          result.country =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'position':
+          result.position.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(Position),
+                )!
+                as Position,
+          );
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$Location extends Location {
+  @override
+  final String? city;
+  @override
+  final String? country;
+  @override
+  final Position? position;
+
+  factory _$Location([void Function(LocationBuilder)? updates]) =>
+      (new LocationBuilder()..update(updates))._build();
+
+  _$Location._({this.city, this.country, this.position}) : super._();
+
+  @override
+  Location rebuild(void Function(LocationBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  LocationBuilder toBuilder() => new LocationBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is Location &&
+        city == other.city &&
+        country == other.country &&
+        position == other.position;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, city.hashCode);
+    _$hash = $jc(_$hash, country.hashCode);
+    _$hash = $jc(_$hash, position.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'Location')
+          ..add('city', city)
+          ..add('country', country)
+          ..add('position', position))
+        .toString();
+  }
+}
+
+class LocationBuilder implements Builder<Location, LocationBuilder> {
+  _$Location? _$v;
+
+  String? _city;
+  String? get city => _$this._city;
+  set city(String? city) => _$this._city = city;
+
+  String? _country;
+  String? get country => _$this._country;
+  set country(String? country) => _$this._country = country;
+
+  PositionBuilder? _position;
+  PositionBuilder get position => _$this._position ??= new PositionBuilder();
+  set position(PositionBuilder? position) => _$this._position = position;
+
+  LocationBuilder();
+
+  LocationBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _city = $v.city;
+      _country = $v.country;
+      _position = $v.position?.toBuilder();
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(Location other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$Location;
+  }
+
+  @override
+  void update(void Function(LocationBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  Location build() => _build();
+
+  _$Location _build() {
+    _$Location _$result;
+    try {
+      _$result =
+          _$v ??
+          new _$Location._(
+            city: city,
+            country: country,
+            position: _position?.build(),
+          );
+    } catch (_) {
+      late String _$failedField;
+      try {
+        _$failedField = 'position';
+        _position?.build();
+      } catch (e) {
+        throw new BuiltValueNestedFieldError(
+          r'Location',
+          _$failedField,
+          e.toString(),
+        );
+      }
+      rethrow;
+    }
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/photo.dart

@@ -0,0 +1,90 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_collection/built_collection.dart';
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+import 'current_user_collections.dart';
+import 'exif.dart';
+import 'links.dart';
+import 'location.dart';
+import 'tags.dart';
+import 'urls.dart';
+import 'user.dart';
+
+part 'photo.g.dart';
+
+abstract class Photo implements Built<Photo, PhotoBuilder> {
+  factory Photo([void Function(PhotoBuilder)? updates]) = _$Photo;
+
+  Photo._();
+
+  @BuiltValueField(wireName: 'id')
+  String get id;
+
+  @BuiltValueField(wireName: 'created_at')
+  String? get createdAt;
+
+  @BuiltValueField(wireName: 'updated_at')
+  String? get updatedAt;
+
+  @BuiltValueField(wireName: 'width')
+  int? get width;
+
+  @BuiltValueField(wireName: 'height')
+  int? get height;
+
+  @BuiltValueField(wireName: 'color')
+  String? get color;
+
+  @BuiltValueField(wireName: 'downloads')
+  int? get downloads;
+
+  @BuiltValueField(wireName: 'likes')
+  int? get likes;
+
+  @BuiltValueField(wireName: 'liked_by_user')
+  bool? get likedByUser;
+
+  @BuiltValueField(wireName: 'description')
+  String? get description;
+
+  @BuiltValueField(wireName: 'exif')
+  Exif? get exif;
+
+  @BuiltValueField(wireName: 'location')
+  Location? get location;
+
+  @BuiltValueField(wireName: 'tags')
+  BuiltList<Tags>? get tags;
+
+  @BuiltValueField(wireName: 'current_user_collections')
+  BuiltList<CurrentUserCollections>? get currentUserCollections;
+
+  @BuiltValueField(wireName: 'urls')
+  Urls? get urls;
+
+  @BuiltValueField(wireName: 'links')
+  Links? get links;
+
+  @BuiltValueField(wireName: 'user')
+  User? get user;
+
+  String toJson() {
+    return json.encode(serializers.serializeWith(Photo.serializer, this));
+  }
+
+  static Photo? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      Photo.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<Photo> get serializer => _$photoSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/photo.g.dart

@@ -0,0 +1,684 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'photo.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<Photo> _$photoSerializer = new _$PhotoSerializer();
+
+class _$PhotoSerializer implements StructuredSerializer<Photo> {
+  @override
+  final Iterable<Type> types = const [Photo, _$Photo];
+  @override
+  final String wireName = 'Photo';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    Photo object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[
+      'id',
+      serializers.serialize(
+        object.id,
+        specifiedType: const FullType(String),
+      ),
+    ];
+    Object? value;
+    value = object.createdAt;
+    if (value != null) {
+      result
+        ..add('created_at')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.updatedAt;
+    if (value != null) {
+      result
+        ..add('updated_at')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.width;
+    if (value != null) {
+      result
+        ..add('width')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    value = object.height;
+    if (value != null) {
+      result
+        ..add('height')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    value = object.color;
+    if (value != null) {
+      result
+        ..add('color')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.downloads;
+    if (value != null) {
+      result
+        ..add('downloads')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    value = object.likes;
+    if (value != null) {
+      result
+        ..add('likes')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    value = object.likedByUser;
+    if (value != null) {
+      result
+        ..add('liked_by_user')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(bool),
+          ),
+        );
+    }
+    value = object.description;
+    if (value != null) {
+      result
+        ..add('description')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.exif;
+    if (value != null) {
+      result
+        ..add('exif')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(Exif),
+          ),
+        );
+    }
+    value = object.location;
+    if (value != null) {
+      result
+        ..add('location')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(Location),
+          ),
+        );
+    }
+    value = object.tags;
+    if (value != null) {
+      result
+        ..add('tags')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(BuiltList, const [
+              const FullType(Tags),
+            ]),
+          ),
+        );
+    }
+    value = object.currentUserCollections;
+    if (value != null) {
+      result
+        ..add('current_user_collections')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(BuiltList, const [
+              const FullType(CurrentUserCollections),
+            ]),
+          ),
+        );
+    }
+    value = object.urls;
+    if (value != null) {
+      result
+        ..add('urls')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(Urls),
+          ),
+        );
+    }
+    value = object.links;
+    if (value != null) {
+      result
+        ..add('links')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(Links),
+          ),
+        );
+    }
+    value = object.user;
+    if (value != null) {
+      result
+        ..add('user')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(User),
+          ),
+        );
+    }
+    return result;
+  }
+
+  @override
+  Photo deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new PhotoBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'id':
+          result.id =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )!
+                  as String;
+          break;
+        case 'created_at':
+          result.createdAt =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'updated_at':
+          result.updatedAt =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'width':
+          result.width =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+        case 'height':
+          result.height =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+        case 'color':
+          result.color =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'downloads':
+          result.downloads =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+        case 'likes':
+          result.likes =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+        case 'liked_by_user':
+          result.likedByUser =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(bool),
+                  )
+                  as bool?;
+          break;
+        case 'description':
+          result.description =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'exif':
+          result.exif.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(Exif),
+                )!
+                as Exif,
+          );
+          break;
+        case 'location':
+          result.location.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(Location),
+                )!
+                as Location,
+          );
+          break;
+        case 'tags':
+          result.tags.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(BuiltList, const [
+                    const FullType(Tags),
+                  ]),
+                )!
+                as BuiltList<Object?>,
+          );
+          break;
+        case 'current_user_collections':
+          result.currentUserCollections.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(BuiltList, const [
+                    const FullType(CurrentUserCollections),
+                  ]),
+                )!
+                as BuiltList<Object?>,
+          );
+          break;
+        case 'urls':
+          result.urls.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(Urls),
+                )!
+                as Urls,
+          );
+          break;
+        case 'links':
+          result.links.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(Links),
+                )!
+                as Links,
+          );
+          break;
+        case 'user':
+          result.user.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(User),
+                )!
+                as User,
+          );
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$Photo extends Photo {
+  @override
+  final String id;
+  @override
+  final String? createdAt;
+  @override
+  final String? updatedAt;
+  @override
+  final int? width;
+  @override
+  final int? height;
+  @override
+  final String? color;
+  @override
+  final int? downloads;
+  @override
+  final int? likes;
+  @override
+  final bool? likedByUser;
+  @override
+  final String? description;
+  @override
+  final Exif? exif;
+  @override
+  final Location? location;
+  @override
+  final BuiltList<Tags>? tags;
+  @override
+  final BuiltList<CurrentUserCollections>? currentUserCollections;
+  @override
+  final Urls? urls;
+  @override
+  final Links? links;
+  @override
+  final User? user;
+
+  factory _$Photo([void Function(PhotoBuilder)? updates]) =>
+      (new PhotoBuilder()..update(updates))._build();
+
+  _$Photo._({
+    required this.id,
+    this.createdAt,
+    this.updatedAt,
+    this.width,
+    this.height,
+    this.color,
+    this.downloads,
+    this.likes,
+    this.likedByUser,
+    this.description,
+    this.exif,
+    this.location,
+    this.tags,
+    this.currentUserCollections,
+    this.urls,
+    this.links,
+    this.user,
+  }) : super._() {
+    BuiltValueNullFieldError.checkNotNull(id, r'Photo', 'id');
+  }
+
+  @override
+  Photo rebuild(void Function(PhotoBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  PhotoBuilder toBuilder() => new PhotoBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is Photo &&
+        id == other.id &&
+        createdAt == other.createdAt &&
+        updatedAt == other.updatedAt &&
+        width == other.width &&
+        height == other.height &&
+        color == other.color &&
+        downloads == other.downloads &&
+        likes == other.likes &&
+        likedByUser == other.likedByUser &&
+        description == other.description &&
+        exif == other.exif &&
+        location == other.location &&
+        tags == other.tags &&
+        currentUserCollections == other.currentUserCollections &&
+        urls == other.urls &&
+        links == other.links &&
+        user == other.user;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, id.hashCode);
+    _$hash = $jc(_$hash, createdAt.hashCode);
+    _$hash = $jc(_$hash, updatedAt.hashCode);
+    _$hash = $jc(_$hash, width.hashCode);
+    _$hash = $jc(_$hash, height.hashCode);
+    _$hash = $jc(_$hash, color.hashCode);
+    _$hash = $jc(_$hash, downloads.hashCode);
+    _$hash = $jc(_$hash, likes.hashCode);
+    _$hash = $jc(_$hash, likedByUser.hashCode);
+    _$hash = $jc(_$hash, description.hashCode);
+    _$hash = $jc(_$hash, exif.hashCode);
+    _$hash = $jc(_$hash, location.hashCode);
+    _$hash = $jc(_$hash, tags.hashCode);
+    _$hash = $jc(_$hash, currentUserCollections.hashCode);
+    _$hash = $jc(_$hash, urls.hashCode);
+    _$hash = $jc(_$hash, links.hashCode);
+    _$hash = $jc(_$hash, user.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'Photo')
+          ..add('id', id)
+          ..add('createdAt', createdAt)
+          ..add('updatedAt', updatedAt)
+          ..add('width', width)
+          ..add('height', height)
+          ..add('color', color)
+          ..add('downloads', downloads)
+          ..add('likes', likes)
+          ..add('likedByUser', likedByUser)
+          ..add('description', description)
+          ..add('exif', exif)
+          ..add('location', location)
+          ..add('tags', tags)
+          ..add('currentUserCollections', currentUserCollections)
+          ..add('urls', urls)
+          ..add('links', links)
+          ..add('user', user))
+        .toString();
+  }
+}
+
+class PhotoBuilder implements Builder<Photo, PhotoBuilder> {
+  _$Photo? _$v;
+
+  String? _id;
+  String? get id => _$this._id;
+  set id(String? id) => _$this._id = id;
+
+  String? _createdAt;
+  String? get createdAt => _$this._createdAt;
+  set createdAt(String? createdAt) => _$this._createdAt = createdAt;
+
+  String? _updatedAt;
+  String? get updatedAt => _$this._updatedAt;
+  set updatedAt(String? updatedAt) => _$this._updatedAt = updatedAt;
+
+  int? _width;
+  int? get width => _$this._width;
+  set width(int? width) => _$this._width = width;
+
+  int? _height;
+  int? get height => _$this._height;
+  set height(int? height) => _$this._height = height;
+
+  String? _color;
+  String? get color => _$this._color;
+  set color(String? color) => _$this._color = color;
+
+  int? _downloads;
+  int? get downloads => _$this._downloads;
+  set downloads(int? downloads) => _$this._downloads = downloads;
+
+  int? _likes;
+  int? get likes => _$this._likes;
+  set likes(int? likes) => _$this._likes = likes;
+
+  bool? _likedByUser;
+  bool? get likedByUser => _$this._likedByUser;
+  set likedByUser(bool? likedByUser) => _$this._likedByUser = likedByUser;
+
+  String? _description;
+  String? get description => _$this._description;
+  set description(String? description) => _$this._description = description;
+
+  ExifBuilder? _exif;
+  ExifBuilder get exif => _$this._exif ??= new ExifBuilder();
+  set exif(ExifBuilder? exif) => _$this._exif = exif;
+
+  LocationBuilder? _location;
+  LocationBuilder get location => _$this._location ??= new LocationBuilder();
+  set location(LocationBuilder? location) => _$this._location = location;
+
+  ListBuilder<Tags>? _tags;
+  ListBuilder<Tags> get tags => _$this._tags ??= new ListBuilder<Tags>();
+  set tags(ListBuilder<Tags>? tags) => _$this._tags = tags;
+
+  ListBuilder<CurrentUserCollections>? _currentUserCollections;
+  ListBuilder<CurrentUserCollections> get currentUserCollections =>
+      _$this._currentUserCollections ??=
+          new ListBuilder<CurrentUserCollections>();
+  set currentUserCollections(
+    ListBuilder<CurrentUserCollections>? currentUserCollections,
+  ) => _$this._currentUserCollections = currentUserCollections;
+
+  UrlsBuilder? _urls;
+  UrlsBuilder get urls => _$this._urls ??= new UrlsBuilder();
+  set urls(UrlsBuilder? urls) => _$this._urls = urls;
+
+  LinksBuilder? _links;
+  LinksBuilder get links => _$this._links ??= new LinksBuilder();
+  set links(LinksBuilder? links) => _$this._links = links;
+
+  UserBuilder? _user;
+  UserBuilder get user => _$this._user ??= new UserBuilder();
+  set user(UserBuilder? user) => _$this._user = user;
+
+  PhotoBuilder();
+
+  PhotoBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _id = $v.id;
+      _createdAt = $v.createdAt;
+      _updatedAt = $v.updatedAt;
+      _width = $v.width;
+      _height = $v.height;
+      _color = $v.color;
+      _downloads = $v.downloads;
+      _likes = $v.likes;
+      _likedByUser = $v.likedByUser;
+      _description = $v.description;
+      _exif = $v.exif?.toBuilder();
+      _location = $v.location?.toBuilder();
+      _tags = $v.tags?.toBuilder();
+      _currentUserCollections = $v.currentUserCollections?.toBuilder();
+      _urls = $v.urls?.toBuilder();
+      _links = $v.links?.toBuilder();
+      _user = $v.user?.toBuilder();
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(Photo other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$Photo;
+  }
+
+  @override
+  void update(void Function(PhotoBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  Photo build() => _build();
+
+  _$Photo _build() {
+    _$Photo _$result;
+    try {
+      _$result =
+          _$v ??
+          new _$Photo._(
+            id: BuiltValueNullFieldError.checkNotNull(id, r'Photo', 'id'),
+            createdAt: createdAt,
+            updatedAt: updatedAt,
+            width: width,
+            height: height,
+            color: color,
+            downloads: downloads,
+            likes: likes,
+            likedByUser: likedByUser,
+            description: description,
+            exif: _exif?.build(),
+            location: _location?.build(),
+            tags: _tags?.build(),
+            currentUserCollections: _currentUserCollections?.build(),
+            urls: _urls?.build(),
+            links: _links?.build(),
+            user: _user?.build(),
+          );
+    } catch (_) {
+      late String _$failedField;
+      try {
+        _$failedField = 'exif';
+        _exif?.build();
+        _$failedField = 'location';
+        _location?.build();
+        _$failedField = 'tags';
+        _tags?.build();
+        _$failedField = 'currentUserCollections';
+        _currentUserCollections?.build();
+        _$failedField = 'urls';
+        _urls?.build();
+        _$failedField = 'links';
+        _links?.build();
+        _$failedField = 'user';
+        _user?.build();
+      } catch (e) {
+        throw new BuiltValueNestedFieldError(
+          r'Photo',
+          _$failedField,
+          e.toString(),
+        );
+      }
+      rethrow;
+    }
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/position.dart

@@ -0,0 +1,39 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+
+part 'position.g.dart';
+
+abstract class Position implements Built<Position, PositionBuilder> {
+  factory Position([void Function(PositionBuilder)? updates]) = _$Position;
+
+  Position._();
+
+  @BuiltValueField(wireName: 'latitude')
+  double get latitude;
+
+  @BuiltValueField(wireName: 'longitude')
+  double get longitude;
+
+  String toJson() {
+    return json.encode(
+      serializers.serializeWith(Position.serializer, this),
+    );
+  }
+
+  static Position? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      Position.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<Position> get serializer => _$positionSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/position.g.dart

@@ -0,0 +1,192 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'position.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<Position> _$positionSerializer = new _$PositionSerializer();
+
+class _$PositionSerializer implements StructuredSerializer<Position> {
+  @override
+  final Iterable<Type> types = const [Position, _$Position];
+  @override
+  final String wireName = 'Position';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    Position object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[
+      'latitude',
+      serializers.serialize(
+        object.latitude,
+        specifiedType: const FullType(double),
+      ),
+      'longitude',
+      serializers.serialize(
+        object.longitude,
+        specifiedType: const FullType(double),
+      ),
+    ];
+
+    return result;
+  }
+
+  @override
+  Position deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new PositionBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'latitude':
+          result.latitude =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(double),
+                  )!
+                  as double;
+          break;
+        case 'longitude':
+          result.longitude =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(double),
+                  )!
+                  as double;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$Position extends Position {
+  @override
+  final double latitude;
+  @override
+  final double longitude;
+
+  factory _$Position([void Function(PositionBuilder)? updates]) =>
+      (new PositionBuilder()..update(updates))._build();
+
+  _$Position._({required this.latitude, required this.longitude}) : super._() {
+    BuiltValueNullFieldError.checkNotNull(
+      latitude,
+      r'Position',
+      'latitude',
+    );
+    BuiltValueNullFieldError.checkNotNull(
+      longitude,
+      r'Position',
+      'longitude',
+    );
+  }
+
+  @override
+  Position rebuild(void Function(PositionBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  PositionBuilder toBuilder() => new PositionBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is Position &&
+        latitude == other.latitude &&
+        longitude == other.longitude;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, latitude.hashCode);
+    _$hash = $jc(_$hash, longitude.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'Position')
+          ..add('latitude', latitude)
+          ..add('longitude', longitude))
+        .toString();
+  }
+}
+
+class PositionBuilder implements Builder<Position, PositionBuilder> {
+  _$Position? _$v;
+
+  double? _latitude;
+  double? get latitude => _$this._latitude;
+  set latitude(double? latitude) => _$this._latitude = latitude;
+
+  double? _longitude;
+  double? get longitude => _$this._longitude;
+  set longitude(double? longitude) => _$this._longitude = longitude;
+
+  PositionBuilder();
+
+  PositionBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _latitude = $v.latitude;
+      _longitude = $v.longitude;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(Position other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$Position;
+  }
+
+  @override
+  void update(void Function(PositionBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  Position build() => _build();
+
+  _$Position _build() {
+    final _$result =
+        _$v ??
+        new _$Position._(
+          latitude: BuiltValueNullFieldError.checkNotNull(
+            latitude,
+            r'Position',
+            'latitude',
+          ),
+          longitude: BuiltValueNullFieldError.checkNotNull(
+            longitude,
+            r'Position',
+            'longitude',
+          ),
+        );
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/search_photos_response.dart

@@ -0,0 +1,48 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_collection/built_collection.dart';
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+import 'photo.dart';
+
+part 'search_photos_response.g.dart';
+
+abstract class SearchPhotosResponse
+    implements Built<SearchPhotosResponse, SearchPhotosResponseBuilder> {
+  factory SearchPhotosResponse([
+    void Function(SearchPhotosResponseBuilder)? updates,
+  ]) = _$SearchPhotosResponse;
+
+  SearchPhotosResponse._();
+
+  @BuiltValueField(wireName: 'total')
+  int? get total;
+
+  @BuiltValueField(wireName: 'total_pages')
+  int? get totalPages;
+
+  @BuiltValueField(wireName: 'results')
+  BuiltList<Photo> get results;
+
+  String toJson() {
+    return json.encode(
+      serializers.serializeWith(SearchPhotosResponse.serializer, this),
+    );
+  }
+
+  static SearchPhotosResponse? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      SearchPhotosResponse.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<SearchPhotosResponse> get serializer =>
+      _$searchPhotosResponseSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/search_photos_response.g.dart

@@ -0,0 +1,244 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'search_photos_response.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<SearchPhotosResponse> _$searchPhotosResponseSerializer =
+    new _$SearchPhotosResponseSerializer();
+
+class _$SearchPhotosResponseSerializer
+    implements StructuredSerializer<SearchPhotosResponse> {
+  @override
+  final Iterable<Type> types = const [
+    SearchPhotosResponse,
+    _$SearchPhotosResponse,
+  ];
+  @override
+  final String wireName = 'SearchPhotosResponse';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    SearchPhotosResponse object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[
+      'results',
+      serializers.serialize(
+        object.results,
+        specifiedType: const FullType(BuiltList, const [
+          const FullType(Photo),
+        ]),
+      ),
+    ];
+    Object? value;
+    value = object.total;
+    if (value != null) {
+      result
+        ..add('total')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    value = object.totalPages;
+    if (value != null) {
+      result
+        ..add('total_pages')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    return result;
+  }
+
+  @override
+  SearchPhotosResponse deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new SearchPhotosResponseBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'total':
+          result.total =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+        case 'total_pages':
+          result.totalPages =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+        case 'results':
+          result.results.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(BuiltList, const [
+                    const FullType(Photo),
+                  ]),
+                )!
+                as BuiltList<Object?>,
+          );
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$SearchPhotosResponse extends SearchPhotosResponse {
+  @override
+  final int? total;
+  @override
+  final int? totalPages;
+  @override
+  final BuiltList<Photo> results;
+
+  factory _$SearchPhotosResponse([
+    void Function(SearchPhotosResponseBuilder)? updates,
+  ]) => (new SearchPhotosResponseBuilder()..update(updates))._build();
+
+  _$SearchPhotosResponse._({
+    this.total,
+    this.totalPages,
+    required this.results,
+  }) : super._() {
+    BuiltValueNullFieldError.checkNotNull(
+      results,
+      r'SearchPhotosResponse',
+      'results',
+    );
+  }
+
+  @override
+  SearchPhotosResponse rebuild(
+    void Function(SearchPhotosResponseBuilder) updates,
+  ) => (toBuilder()..update(updates)).build();
+
+  @override
+  SearchPhotosResponseBuilder toBuilder() =>
+      new SearchPhotosResponseBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is SearchPhotosResponse &&
+        total == other.total &&
+        totalPages == other.totalPages &&
+        results == other.results;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, total.hashCode);
+    _$hash = $jc(_$hash, totalPages.hashCode);
+    _$hash = $jc(_$hash, results.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'SearchPhotosResponse')
+          ..add('total', total)
+          ..add('totalPages', totalPages)
+          ..add('results', results))
+        .toString();
+  }
+}
+
+class SearchPhotosResponseBuilder
+    implements Builder<SearchPhotosResponse, SearchPhotosResponseBuilder> {
+  _$SearchPhotosResponse? _$v;
+
+  int? _total;
+  int? get total => _$this._total;
+  set total(int? total) => _$this._total = total;
+
+  int? _totalPages;
+  int? get totalPages => _$this._totalPages;
+  set totalPages(int? totalPages) => _$this._totalPages = totalPages;
+
+  ListBuilder<Photo>? _results;
+  ListBuilder<Photo> get results =>
+      _$this._results ??= new ListBuilder<Photo>();
+  set results(ListBuilder<Photo>? results) => _$this._results = results;
+
+  SearchPhotosResponseBuilder();
+
+  SearchPhotosResponseBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _total = $v.total;
+      _totalPages = $v.totalPages;
+      _results = $v.results.toBuilder();
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(SearchPhotosResponse other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$SearchPhotosResponse;
+  }
+
+  @override
+  void update(void Function(SearchPhotosResponseBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  SearchPhotosResponse build() => _build();
+
+  _$SearchPhotosResponse _build() {
+    _$SearchPhotosResponse _$result;
+    try {
+      _$result =
+          _$v ??
+          new _$SearchPhotosResponse._(
+            total: total,
+            totalPages: totalPages,
+            results: results.build(),
+          );
+    } catch (_) {
+      late String _$failedField;
+      try {
+        _$failedField = 'results';
+        results.build();
+      } catch (e) {
+        throw new BuiltValueNestedFieldError(
+          r'SearchPhotosResponse',
+          _$failedField,
+          e.toString(),
+        );
+      }
+      rethrow;
+    }
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/tags.dart

@@ -0,0 +1,34 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+
+part 'tags.g.dart';
+
+abstract class Tags implements Built<Tags, TagsBuilder> {
+  factory Tags([void Function(TagsBuilder)? updates]) = _$Tags;
+
+  Tags._();
+
+  @BuiltValueField(wireName: 'title')
+  String get title;
+
+  String toJson() {
+    return json.encode(serializers.serializeWith(Tags.serializer, this));
+  }
+
+  static Tags? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      Tags.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<Tags> get serializer => _$tagsSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/tags.g.dart

@@ -0,0 +1,154 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'tags.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<Tags> _$tagsSerializer = new _$TagsSerializer();
+
+class _$TagsSerializer implements StructuredSerializer<Tags> {
+  @override
+  final Iterable<Type> types = const [Tags, _$Tags];
+  @override
+  final String wireName = 'Tags';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    Tags object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[
+      'title',
+      serializers.serialize(
+        object.title,
+        specifiedType: const FullType(String),
+      ),
+    ];
+
+    return result;
+  }
+
+  @override
+  Tags deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new TagsBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'title':
+          result.title =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )!
+                  as String;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$Tags extends Tags {
+  @override
+  final String title;
+
+  factory _$Tags([void Function(TagsBuilder)? updates]) =>
+      (new TagsBuilder()..update(updates))._build();
+
+  _$Tags._({required this.title}) : super._() {
+    BuiltValueNullFieldError.checkNotNull(title, r'Tags', 'title');
+  }
+
+  @override
+  Tags rebuild(void Function(TagsBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  TagsBuilder toBuilder() => new TagsBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is Tags && title == other.title;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, title.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(
+      r'Tags',
+    )..add('title', title)).toString();
+  }
+}
+
+class TagsBuilder implements Builder<Tags, TagsBuilder> {
+  _$Tags? _$v;
+
+  String? _title;
+  String? get title => _$this._title;
+  set title(String? title) => _$this._title = title;
+
+  TagsBuilder();
+
+  TagsBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _title = $v.title;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(Tags other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$Tags;
+  }
+
+  @override
+  void update(void Function(TagsBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  Tags build() => _build();
+
+  _$Tags _build() {
+    final _$result =
+        _$v ??
+        new _$Tags._(
+          title: BuiltValueNullFieldError.checkNotNull(
+            title,
+            r'Tags',
+            'title',
+          ),
+        );
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/unsplash.dart

@@ -0,0 +1,121 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:async';
+import 'dart:convert';
+import 'dart:typed_data';
+
+import 'package:http/http.dart' as http;
+import 'package:logging/logging.dart';
+
+import 'api_error.dart';
+import 'photo.dart';
+import 'search_photos_response.dart';
+
+final _unsplashBaseUrl = Uri.parse('https://api.unsplash.com/');
+
+/// Unsplash API Client. Requires an
+/// [Unsplash API](https://unsplash.com/developers) `accessKey` to make
+/// requests to the Unsplash API.
+class Unsplash {
+  Unsplash({required String accessKey, http.BaseClient? httpClient})
+    : _accessKey = accessKey,
+      _client = httpClient ?? http.Client();
+
+  final String _accessKey;
+  final http.Client _client;
+  final _log = Logger('Unsplash');
+
+  Future<SearchPhotosResponse?> searchPhotos({
+    required String query,
+    num page = 1,
+    num perPage = 10,
+    List<num> collections = const [],
+    SearchPhotosOrientation? orientation,
+  }) async {
+    final searchPhotosUrl = _unsplashBaseUrl.replace(
+      path: '/search/photos',
+      queryParameters: <String, String>{
+        'query': query,
+        if (page != 1) 'page': '$page',
+        if (perPage != 10) 'per_page': '$perPage',
+        if (collections.isNotEmpty) 'collections': collections.join(','),
+        if (orientation == SearchPhotosOrientation.landscape)
+          'orientation': 'landscape',
+        if (orientation == SearchPhotosOrientation.portrait)
+          'orientation': 'portrait',
+        if (orientation == SearchPhotosOrientation.squarish)
+          'orientation': 'squarish',
+      },
+    );
+    _log.info('GET $searchPhotosUrl');
+
+    final response = await _client.get(
+      searchPhotosUrl,
+      headers: {
+        'Accept-Version': 'v1',
+        'Authorization': 'Client-ID $_accessKey',
+      },
+    );
+
+    dynamic body;
+    try {
+      body = json.fuse(utf8).decode(response.bodyBytes);
+    } catch (e) {
+      throw UnsplashException('Invalid JSON received');
+    }
+
+    if (body is Map &&
+        body['errors'] is List &&
+        body['errors'].isNotEmpty as bool) {
+      final apiError = ApiError.fromJson(response.body)!;
+      throw UnsplashException(apiError.errors!.join(', '));
+    }
+
+    return SearchPhotosResponse.fromJson(json.encode(body));
+  }
+
+  Future<Uint8List> download(Photo photo) async {
+    // For detail on how downloading photos from Unsplash, please see
+    // https://help.unsplash.com/en/articles/2511258-guideline-triggering-a-download
+
+    _log.info('GET ${photo.urls!.full}');
+    final futureBytes = http.readBytes(
+      Uri.parse(photo.urls!.full!),
+      headers: {
+        'Accept-Version': 'v1',
+        'Authorization': 'Client-ID $_accessKey',
+      },
+    );
+
+    _log.info('GET ${photo.links!.downloadLocation}');
+    unawaited(
+      http.get(
+        Uri.parse(photo.links!.downloadLocation!),
+        headers: {
+          'Accept-Version': 'v1',
+          'Authorization': 'Client-ID $_accessKey',
+        },
+      ),
+    );
+
+    return futureBytes;
+  }
+}
+
+enum SearchPhotosOrientation { landscape, portrait, squarish }
+
+class UnsplashException implements Exception {
+  UnsplashException([this.message]);
+
+  final String? message;
+
+  @override
+  String toString() {
+    if (message == null) {
+      return 'UnsplashException';
+    }
+    return 'UnsplashException: $message';
+  }
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/urls.dart

@@ -0,0 +1,46 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+
+part 'urls.g.dart';
+
+abstract class Urls implements Built<Urls, UrlsBuilder> {
+  factory Urls([void Function(UrlsBuilder b)? updates]) = _$Urls;
+
+  Urls._();
+
+  @BuiltValueField(wireName: 'raw')
+  String? get raw;
+
+  @BuiltValueField(wireName: 'full')
+  String? get full;
+
+  @BuiltValueField(wireName: 'regular')
+  String? get regular;
+
+  @BuiltValueField(wireName: 'small')
+  String? get small;
+
+  @BuiltValueField(wireName: 'thumb')
+  String? get thumb;
+
+  String toJson() {
+    return json.encode(serializers.serializeWith(Urls.serializer, this));
+  }
+
+  static Urls? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      Urls.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<Urls> get serializer => _$urlsSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/urls.g.dart

@@ -0,0 +1,275 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'urls.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<Urls> _$urlsSerializer = new _$UrlsSerializer();
+
+class _$UrlsSerializer implements StructuredSerializer<Urls> {
+  @override
+  final Iterable<Type> types = const [Urls, _$Urls];
+  @override
+  final String wireName = 'Urls';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    Urls object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[];
+    Object? value;
+    value = object.raw;
+    if (value != null) {
+      result
+        ..add('raw')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.full;
+    if (value != null) {
+      result
+        ..add('full')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.regular;
+    if (value != null) {
+      result
+        ..add('regular')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.small;
+    if (value != null) {
+      result
+        ..add('small')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.thumb;
+    if (value != null) {
+      result
+        ..add('thumb')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    return result;
+  }
+
+  @override
+  Urls deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new UrlsBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'raw':
+          result.raw =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'full':
+          result.full =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'regular':
+          result.regular =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'small':
+          result.small =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'thumb':
+          result.thumb =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$Urls extends Urls {
+  @override
+  final String? raw;
+  @override
+  final String? full;
+  @override
+  final String? regular;
+  @override
+  final String? small;
+  @override
+  final String? thumb;
+
+  factory _$Urls([void Function(UrlsBuilder)? updates]) =>
+      (new UrlsBuilder()..update(updates))._build();
+
+  _$Urls._({this.raw, this.full, this.regular, this.small, this.thumb})
+    : super._();
+
+  @override
+  Urls rebuild(void Function(UrlsBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  UrlsBuilder toBuilder() => new UrlsBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is Urls &&
+        raw == other.raw &&
+        full == other.full &&
+        regular == other.regular &&
+        small == other.small &&
+        thumb == other.thumb;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, raw.hashCode);
+    _$hash = $jc(_$hash, full.hashCode);
+    _$hash = $jc(_$hash, regular.hashCode);
+    _$hash = $jc(_$hash, small.hashCode);
+    _$hash = $jc(_$hash, thumb.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'Urls')
+          ..add('raw', raw)
+          ..add('full', full)
+          ..add('regular', regular)
+          ..add('small', small)
+          ..add('thumb', thumb))
+        .toString();
+  }
+}
+
+class UrlsBuilder implements Builder<Urls, UrlsBuilder> {
+  _$Urls? _$v;
+
+  String? _raw;
+  String? get raw => _$this._raw;
+  set raw(String? raw) => _$this._raw = raw;
+
+  String? _full;
+  String? get full => _$this._full;
+  set full(String? full) => _$this._full = full;
+
+  String? _regular;
+  String? get regular => _$this._regular;
+  set regular(String? regular) => _$this._regular = regular;
+
+  String? _small;
+  String? get small => _$this._small;
+  set small(String? small) => _$this._small = small;
+
+  String? _thumb;
+  String? get thumb => _$this._thumb;
+  set thumb(String? thumb) => _$this._thumb = thumb;
+
+  UrlsBuilder();
+
+  UrlsBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _raw = $v.raw;
+      _full = $v.full;
+      _regular = $v.regular;
+      _small = $v.small;
+      _thumb = $v.thumb;
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(Urls other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$Urls;
+  }
+
+  @override
+  void update(void Function(UrlsBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  Urls build() => _build();
+
+  _$Urls _build() {
+    final _$result =
+        _$v ??
+        new _$Urls._(
+          raw: raw,
+          full: full,
+          regular: regular,
+          small: small,
+          thumb: thumb,
+        );
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/unsplash/user.dart

@@ -0,0 +1,65 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:convert';
+
+import 'package:built_value/built_value.dart';
+import 'package:built_value/serializer.dart';
+
+import '../serializers.dart';
+import 'links.dart';
+
+part 'user.g.dart';
+
+abstract class User implements Built<User, UserBuilder> {
+  factory User([void Function(UserBuilder)? updates]) = _$User;
+
+  User._();
+
+  @BuiltValueField(wireName: 'id')
+  String get id;
+
+  @BuiltValueField(wireName: 'updated_at')
+  String? get updatedAt;
+
+  @BuiltValueField(wireName: 'username')
+  String get username;
+
+  @BuiltValueField(wireName: 'name')
+  String get name;
+
+  @BuiltValueField(wireName: 'portfolio_url')
+  String? get portfolioUrl;
+
+  @BuiltValueField(wireName: 'bio')
+  String? get bio;
+
+  @BuiltValueField(wireName: 'location')
+  String? get location;
+
+  @BuiltValueField(wireName: 'total_likes')
+  int? get totalLikes;
+
+  @BuiltValueField(wireName: 'total_photos')
+  int? get totalPhotos;
+
+  @BuiltValueField(wireName: 'total_collections')
+  int? get totalCollections;
+
+  @BuiltValueField(wireName: 'links')
+  Links? get links;
+
+  String toJson() {
+    return json.encode(serializers.serializeWith(User.serializer, this));
+  }
+
+  static User? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+      User.serializer,
+      json.decode(jsonString),
+    );
+  }
+
+  static Serializer<User> get serializer => _$userSerializer;
+}

desktop_photo_search/fluent_ui/lib/src/unsplash/user.g.dart

@@ -0,0 +1,471 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'user.dart';
+
+// **************************************************************************
+// BuiltValueGenerator
+// **************************************************************************
+
+Serializer<User> _$userSerializer = new _$UserSerializer();
+
+class _$UserSerializer implements StructuredSerializer<User> {
+  @override
+  final Iterable<Type> types = const [User, _$User];
+  @override
+  final String wireName = 'User';
+
+  @override
+  Iterable<Object?> serialize(
+    Serializers serializers,
+    User object, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = <Object?>[
+      'id',
+      serializers.serialize(
+        object.id,
+        specifiedType: const FullType(String),
+      ),
+      'username',
+      serializers.serialize(
+        object.username,
+        specifiedType: const FullType(String),
+      ),
+      'name',
+      serializers.serialize(
+        object.name,
+        specifiedType: const FullType(String),
+      ),
+    ];
+    Object? value;
+    value = object.updatedAt;
+    if (value != null) {
+      result
+        ..add('updated_at')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.portfolioUrl;
+    if (value != null) {
+      result
+        ..add('portfolio_url')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.bio;
+    if (value != null) {
+      result
+        ..add('bio')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.location;
+    if (value != null) {
+      result
+        ..add('location')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(String),
+          ),
+        );
+    }
+    value = object.totalLikes;
+    if (value != null) {
+      result
+        ..add('total_likes')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    value = object.totalPhotos;
+    if (value != null) {
+      result
+        ..add('total_photos')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    value = object.totalCollections;
+    if (value != null) {
+      result
+        ..add('total_collections')
+        ..add(
+          serializers.serialize(value, specifiedType: const FullType(int)),
+        );
+    }
+    value = object.links;
+    if (value != null) {
+      result
+        ..add('links')
+        ..add(
+          serializers.serialize(
+            value,
+            specifiedType: const FullType(Links),
+          ),
+        );
+    }
+    return result;
+  }
+
+  @override
+  User deserialize(
+    Serializers serializers,
+    Iterable<Object?> serialized, {
+    FullType specifiedType = FullType.unspecified,
+  }) {
+    final result = new UserBuilder();
+
+    final iterator = serialized.iterator;
+    while (iterator.moveNext()) {
+      final key = iterator.current! as String;
+      iterator.moveNext();
+      final Object? value = iterator.current;
+      switch (key) {
+        case 'id':
+          result.id =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )!
+                  as String;
+          break;
+        case 'updated_at':
+          result.updatedAt =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'username':
+          result.username =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )!
+                  as String;
+          break;
+        case 'name':
+          result.name =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )!
+                  as String;
+          break;
+        case 'portfolio_url':
+          result.portfolioUrl =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'bio':
+          result.bio =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'location':
+          result.location =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(String),
+                  )
+                  as String?;
+          break;
+        case 'total_likes':
+          result.totalLikes =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+        case 'total_photos':
+          result.totalPhotos =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+        case 'total_collections':
+          result.totalCollections =
+              serializers.deserialize(
+                    value,
+                    specifiedType: const FullType(int),
+                  )
+                  as int?;
+          break;
+        case 'links':
+          result.links.replace(
+            serializers.deserialize(
+                  value,
+                  specifiedType: const FullType(Links),
+                )!
+                as Links,
+          );
+          break;
+      }
+    }
+
+    return result.build();
+  }
+}
+
+class _$User extends User {
+  @override
+  final String id;
+  @override
+  final String? updatedAt;
+  @override
+  final String username;
+  @override
+  final String name;
+  @override
+  final String? portfolioUrl;
+  @override
+  final String? bio;
+  @override
+  final String? location;
+  @override
+  final int? totalLikes;
+  @override
+  final int? totalPhotos;
+  @override
+  final int? totalCollections;
+  @override
+  final Links? links;
+
+  factory _$User([void Function(UserBuilder)? updates]) =>
+      (new UserBuilder()..update(updates))._build();
+
+  _$User._({
+    required this.id,
+    this.updatedAt,
+    required this.username,
+    required this.name,
+    this.portfolioUrl,
+    this.bio,
+    this.location,
+    this.totalLikes,
+    this.totalPhotos,
+    this.totalCollections,
+    this.links,
+  }) : super._() {
+    BuiltValueNullFieldError.checkNotNull(id, r'User', 'id');
+    BuiltValueNullFieldError.checkNotNull(username, r'User', 'username');
+    BuiltValueNullFieldError.checkNotNull(name, r'User', 'name');
+  }
+
+  @override
+  User rebuild(void Function(UserBuilder) updates) =>
+      (toBuilder()..update(updates)).build();
+
+  @override
+  UserBuilder toBuilder() => new UserBuilder()..replace(this);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(other, this)) return true;
+    return other is User &&
+        id == other.id &&
+        updatedAt == other.updatedAt &&
+        username == other.username &&
+        name == other.name &&
+        portfolioUrl == other.portfolioUrl &&
+        bio == other.bio &&
+        location == other.location &&
+        totalLikes == other.totalLikes &&
+        totalPhotos == other.totalPhotos &&
+        totalCollections == other.totalCollections &&
+        links == other.links;
+  }
+
+  @override
+  int get hashCode {
+    var _$hash = 0;
+    _$hash = $jc(_$hash, id.hashCode);
+    _$hash = $jc(_$hash, updatedAt.hashCode);
+    _$hash = $jc(_$hash, username.hashCode);
+    _$hash = $jc(_$hash, name.hashCode);
+    _$hash = $jc(_$hash, portfolioUrl.hashCode);
+    _$hash = $jc(_$hash, bio.hashCode);
+    _$hash = $jc(_$hash, location.hashCode);
+    _$hash = $jc(_$hash, totalLikes.hashCode);
+    _$hash = $jc(_$hash, totalPhotos.hashCode);
+    _$hash = $jc(_$hash, totalCollections.hashCode);
+    _$hash = $jc(_$hash, links.hashCode);
+    _$hash = $jf(_$hash);
+    return _$hash;
+  }
+
+  @override
+  String toString() {
+    return (newBuiltValueToStringHelper(r'User')
+          ..add('id', id)
+          ..add('updatedAt', updatedAt)
+          ..add('username', username)
+          ..add('name', name)
+          ..add('portfolioUrl', portfolioUrl)
+          ..add('bio', bio)
+          ..add('location', location)
+          ..add('totalLikes', totalLikes)
+          ..add('totalPhotos', totalPhotos)
+          ..add('totalCollections', totalCollections)
+          ..add('links', links))
+        .toString();
+  }
+}
+
+class UserBuilder implements Builder<User, UserBuilder> {
+  _$User? _$v;
+
+  String? _id;
+  String? get id => _$this._id;
+  set id(String? id) => _$this._id = id;
+
+  String? _updatedAt;
+  String? get updatedAt => _$this._updatedAt;
+  set updatedAt(String? updatedAt) => _$this._updatedAt = updatedAt;
+
+  String? _username;
+  String? get username => _$this._username;
+  set username(String? username) => _$this._username = username;
+
+  String? _name;
+  String? get name => _$this._name;
+  set name(String? name) => _$this._name = name;
+
+  String? _portfolioUrl;
+  String? get portfolioUrl => _$this._portfolioUrl;
+  set portfolioUrl(String? portfolioUrl) =>
+      _$this._portfolioUrl = portfolioUrl;
+
+  String? _bio;
+  String? get bio => _$this._bio;
+  set bio(String? bio) => _$this._bio = bio;
+
+  String? _location;
+  String? get location => _$this._location;
+  set location(String? location) => _$this._location = location;
+
+  int? _totalLikes;
+  int? get totalLikes => _$this._totalLikes;
+  set totalLikes(int? totalLikes) => _$this._totalLikes = totalLikes;
+
+  int? _totalPhotos;
+  int? get totalPhotos => _$this._totalPhotos;
+  set totalPhotos(int? totalPhotos) => _$this._totalPhotos = totalPhotos;
+
+  int? _totalCollections;
+  int? get totalCollections => _$this._totalCollections;
+  set totalCollections(int? totalCollections) =>
+      _$this._totalCollections = totalCollections;
+
+  LinksBuilder? _links;
+  LinksBuilder get links => _$this._links ??= new LinksBuilder();
+  set links(LinksBuilder? links) => _$this._links = links;
+
+  UserBuilder();
+
+  UserBuilder get _$this {
+    final $v = _$v;
+    if ($v != null) {
+      _id = $v.id;
+      _updatedAt = $v.updatedAt;
+      _username = $v.username;
+      _name = $v.name;
+      _portfolioUrl = $v.portfolioUrl;
+      _bio = $v.bio;
+      _location = $v.location;
+      _totalLikes = $v.totalLikes;
+      _totalPhotos = $v.totalPhotos;
+      _totalCollections = $v.totalCollections;
+      _links = $v.links?.toBuilder();
+      _$v = null;
+    }
+    return this;
+  }
+
+  @override
+  void replace(User other) {
+    ArgumentError.checkNotNull(other, 'other');
+    _$v = other as _$User;
+  }
+
+  @override
+  void update(void Function(UserBuilder)? updates) {
+    if (updates != null) updates(this);
+  }
+
+  @override
+  User build() => _build();
+
+  _$User _build() {
+    _$User _$result;
+    try {
+      _$result =
+          _$v ??
+          new _$User._(
+            id: BuiltValueNullFieldError.checkNotNull(id, r'User', 'id'),
+            updatedAt: updatedAt,
+            username: BuiltValueNullFieldError.checkNotNull(
+              username,
+              r'User',
+              'username',
+            ),
+            name: BuiltValueNullFieldError.checkNotNull(
+              name,
+              r'User',
+              'name',
+            ),
+            portfolioUrl: portfolioUrl,
+            bio: bio,
+            location: location,
+            totalLikes: totalLikes,
+            totalPhotos: totalPhotos,
+            totalCollections: totalCollections,
+            links: _links?.build(),
+          );
+    } catch (_) {
+      late String _$failedField;
+      try {
+        _$failedField = 'links';
+        _links?.build();
+      } catch (e) {
+        throw new BuiltValueNestedFieldError(
+          r'User',
+          _$failedField,
+          e.toString(),
+        );
+      }
+      rethrow;
+    }
+    replace(_$result);
+    return _$result;
+  }
+}
+
+// ignore_for_file: deprecated_member_use_from_same_package,type=lint

desktop_photo_search/fluent_ui/lib/src/widgets/photo_details.dart

@@ -0,0 +1,119 @@
+// Copyright 2019 The Flutter team. 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:fluent_ui/fluent_ui.dart' hide Card, FluentIcons;
+import 'package:fluentui_system_icons/fluentui_system_icons.dart';
+import 'package:flutter/material.dart' show Card, BorderSide;
+import 'package:transparent_image/transparent_image.dart';
+import 'package:url_launcher/link.dart';
+
+import '../../unsplash_access_key.dart';
+import '../unsplash/photo.dart';
+
+final _unsplashHomepage = Uri.parse(
+  'https://unsplash.com/?utm_source=$unsplashAppName&utm_medium=referral',
+);
+
+typedef PhotoDetailsPhotoSaveCallback = void Function(Photo);
+
+class PhotoDetails extends StatefulWidget {
+  const PhotoDetails({
+    required this.photo,
+    required this.onPhotoSave,
+    super.key,
+  });
+  final Photo photo;
+  final PhotoDetailsPhotoSaveCallback onPhotoSave;
+
+  @override
+  State<PhotoDetails> createState() => _PhotoDetailsState();
+}
+
+class _PhotoDetailsState extends State<PhotoDetails> {
+  Widget _buildPhotoAttribution(BuildContext context) {
+    return Row(
+      children: [
+        const Text('Photo by'),
+        Link(
+          uri: Uri.parse(
+            'https://unsplash.com/@${widget.photo.user!.username}?utm_source=$unsplashAppName&utm_medium=referral',
+          ),
+          builder: (context, followLink) => HyperlinkButton(
+            onPressed: followLink,
+            child: Text(widget.photo.user!.name),
+          ),
+        ),
+        const Text('on'),
+        Link(
+          uri: _unsplashHomepage,
+          builder: (context, followLink) => HyperlinkButton(
+            onPressed: followLink,
+            child: const Text('Unsplash'),
+          ),
+        ),
+      ],
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scrollbar(
+      child: SingleChildScrollView(
+        primary: true,
+        child: Center(
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              const SizedBox(height: 16),
+              Card(
+                shape: ContinuousRectangleBorder(
+                  side: const BorderSide(color: Colors.black),
+                  borderRadius: BorderRadius.circular(4),
+                ),
+                child: AnimatedSize(
+                  duration: const Duration(milliseconds: 750),
+                  child: Padding(
+                    padding: const EdgeInsets.fromLTRB(16, 16, 16, 40),
+                    child: ConstrainedBox(
+                      constraints: const BoxConstraints(
+                        minWidth: 400,
+                        minHeight: 400,
+                      ),
+                      child: FadeInImage.memoryNetwork(
+                        placeholder: kTransparentImage,
+                        imageSemanticLabel: widget.photo.description,
+                        image: widget.photo.urls!.small!,
+                      ),
+                    ),
+                  ),
+                ),
+              ),
+              const SizedBox(height: 8),
+              Padding(
+                padding: const EdgeInsets.only(left: 4),
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.start,
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    _buildPhotoAttribution(context),
+                    const SizedBox(width: 8),
+                    IconButton(
+                      icon: const Icon(
+                        FluentIcons.arrow_download_20_regular,
+                        size: 20,
+                      ),
+                      onPressed: () => widget.onPhotoSave(widget.photo),
+                    ),
+                  ],
+                ),
+              ),
+              const SizedBox(height: 48),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}

desktop_photo_search/fluent_ui/lib/src/widgets/photo_search_dialog.dart

@@ -0,0 +1,67 @@
+// Copyright 2019 The Flutter team. 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:fluent_ui/fluent_ui.dart';
+
+typedef PhotoSearchDialogCallback = void Function(String searchQuery);
+
+class PhotoSearchDialog extends StatefulWidget {
+  const PhotoSearchDialog({required this.callback, super.key});
+  final PhotoSearchDialogCallback callback;
+  @override
+  State<PhotoSearchDialog> createState() => _PhotoSearchDialogState();
+}
+
+class _PhotoSearchDialogState extends State<PhotoSearchDialog> {
+  final _controller = TextEditingController();
+  bool _searchEnabled = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _controller.addListener(() {
+      setState(() {
+        _searchEnabled = _controller.text.isNotEmpty;
+      });
+    });
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) => ContentDialog(
+    title: const Text('Photo Search'),
+    content: TextBox(
+      autofocus: true,
+      controller: _controller,
+      onSubmitted: (content) {
+        if (content.isNotEmpty) {
+          widget.callback(content);
+          Navigator.of(context).pop();
+        }
+      },
+    ),
+    actions: [
+      FilledButton(
+        onPressed: _searchEnabled
+            ? () {
+                widget.callback(_controller.text);
+                Navigator.of(context).pop();
+              }
+            : null,
+        child: const Text('Search'),
+      ),
+      Button(
+        onPressed: () {
+          Navigator.of(context).pop();
+        },
+        child: const Text('Cancel'),
+      ),
+    ],
+  );
+}

desktop_photo_search/fluent_ui/lib/src/widgets/policy_dialog.dart

@@ -0,0 +1,80 @@
+// Copyright 2019 The Flutter team. 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:fluent_ui/fluent_ui.dart';
+import 'package:flutter/gestures.dart';
+import 'package:url_launcher/url_launcher.dart' as url_launcher;
+
+class PolicyDialog extends StatelessWidget {
+  const PolicyDialog({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return ContentDialog(
+      title: const Text('Terms & Conditions'),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          RichText(
+            textAlign: TextAlign.left,
+            text: TextSpan(
+              text: '• ',
+              style: const TextStyle(color: Colors.black, fontSize: 18),
+              children: [
+                TextSpan(
+                  text: 'https://policies.google.com/terms',
+                  style: TextStyle(
+                    fontWeight: FontWeight.bold,
+                    color: Colors.blue.normal,
+                  ),
+                  recognizer: TapGestureRecognizer()
+                    ..onTap = () async {
+                      final url = Uri.parse(
+                        'https://policies.google.com/terms',
+                      );
+                      if (await url_launcher.canLaunchUrl(url)) {
+                        await url_launcher.launchUrl(url);
+                      }
+                    },
+                ),
+              ],
+            ),
+          ),
+          RichText(
+            textAlign: TextAlign.left,
+            text: TextSpan(
+              text: '• ',
+              style: const TextStyle(color: Colors.black, fontSize: 18),
+              children: [
+                TextSpan(
+                  text: 'https://unsplash.com/terms',
+                  style: TextStyle(
+                    fontWeight: FontWeight.bold,
+                    color: Colors.blue.normal,
+                  ),
+                  recognizer: TapGestureRecognizer()
+                    ..onTap = () async {
+                      final url = Uri.parse('https://unsplash.com/terms');
+                      if (await url_launcher.canLaunchUrl(url)) {
+                        await url_launcher.launchUrl(url);
+                      }
+                    },
+                ),
+              ],
+            ),
+          ),
+        ],
+      ),
+      actions: [
+        FilledButton(
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+          child: const Text('Accept'),
+        ),
+      ],
+    );
+  }
+}

desktop_photo_search/fluent_ui/lib/src/widgets/split.dart

@@ -0,0 +1,181 @@
+// Copyright 2019 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 'dart:math';
+
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart';
+
+/// A widget that takes two children, lays them out along [axis], and allows
+/// the user to resize them.
+///
+/// The user can customize the amount of space allocated to each child by
+/// dragging a divider between them.
+///
+/// [initialFirstFraction] defines how much space to give the [firstChild]
+/// when first building this widget. [secondChild] will take the remaining
+/// space.
+///
+/// The user can drag the widget with key [dividerKey] to change
+/// the space allocated between [firstChild] and [secondChild].
+class Split extends StatefulWidget {
+  /// Builds a split oriented along [axis].
+  const Split({
+    super.key,
+    required this.axis,
+    required this.firstChild,
+    required this.secondChild,
+    double? initialFirstFraction,
+  }) : initialFirstFraction = initialFirstFraction ?? 0.5;
+
+  /// The main axis the children will lay out on.
+  ///
+  /// If [Axis.horizontal], the children will be placed in a [Row]
+  /// and they will be horizontally resizable.
+  ///
+  /// If [Axis.vertical], the children will be placed in a [Column]
+  /// and they will be vertically resizable.
+  ///
+  /// Cannot be null.
+  final Axis axis;
+
+  /// The child that will be laid out first along [axis].
+  final Widget firstChild;
+
+  /// The child that will be laid out last along [axis].
+  final Widget secondChild;
+
+  /// The fraction of the layout to allocate to [firstChild].
+  ///
+  /// [secondChild] will receive a fraction of `1 - initialFirstFraction`.
+  final double initialFirstFraction;
+
+  /// The key passed to the divider between [firstChild] and [secondChild].
+  ///
+  /// Visible to grab it in tests.
+  @visibleForTesting
+  Key get dividerKey => Key('$this dividerKey');
+
+  /// The size of the divider between [firstChild] and [secondChild] in
+  /// logical pixels (dp, not px).
+  static const double dividerMainAxisSize = 10;
+
+  static Axis axisFor(BuildContext context, double horizontalAspectRatio) {
+    final screenSize = MediaQuery.of(context).size;
+    final aspectRatio = screenSize.width / screenSize.height;
+    if (aspectRatio >= horizontalAspectRatio) {
+      return Axis.horizontal;
+    }
+    return Axis.vertical;
+  }
+
+  @override
+  State<StatefulWidget> createState() => _SplitState();
+}
+
+class _SplitState extends State<Split> {
+  late double firstFraction;
+
+  double get secondFraction => 1 - firstFraction;
+
+  bool get isHorizontal => widget.axis == Axis.horizontal;
+
+  @override
+  void initState() {
+    super.initState();
+    firstFraction = widget.initialFirstFraction;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return LayoutBuilder(builder: _buildLayout);
+  }
+
+  Widget _buildLayout(BuildContext context, BoxConstraints constraints) {
+    final width = constraints.maxWidth;
+    final height = constraints.maxHeight;
+    final axisSize = isHorizontal ? width : height;
+    final crossAxisSize = isHorizontal ? height : width;
+    const halfDivider = Split.dividerMainAxisSize / 2.0;
+
+    // Determine what fraction to give each child, including enough space to
+    // display the divider.
+    var firstSize = axisSize * firstFraction;
+    var secondSize = axisSize * secondFraction;
+
+    // Clamp the sizes to be sure there is enough space for the dividers.
+    firstSize = firstSize.clamp(halfDivider, axisSize - halfDivider);
+    secondSize = secondSize.clamp(halfDivider, axisSize - halfDivider);
+
+    // Remove space from each child to place the divider in the middle.
+    firstSize = firstSize - halfDivider;
+    secondSize = secondSize - halfDivider;
+
+    void updateSpacing(DragUpdateDetails dragDetails) {
+      final delta = isHorizontal ? dragDetails.delta.dx : dragDetails.delta.dy;
+      final fractionalDelta = delta / axisSize;
+      setState(() {
+        // Update the fraction of space consumed by the children,
+        // being sure not to allocate any negative space.
+        firstFraction += fractionalDelta;
+        firstFraction = firstFraction.clamp(0.0, 1.0);
+      });
+    }
+
+    final dragIndicator = Flex(
+      direction: isHorizontal ? Axis.vertical : Axis.horizontal,
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        for (var i = 0; i < min(crossAxisSize / 6.0, 3).floor(); i++)
+          Padding(
+            padding: EdgeInsets.symmetric(
+              vertical: isHorizontal ? 2.0 : 0.0,
+              horizontal: isHorizontal ? 0.0 : 2.0,
+            ),
+            child: DecoratedBox(
+              decoration: BoxDecoration(
+                color: Theme.of(context).dividerColor,
+                borderRadius: BorderRadius.circular(
+                  Split.dividerMainAxisSize,
+                ),
+              ),
+              child: SizedBox(
+                height: isHorizontal ? 2.0 : Split.dividerMainAxisSize - 2.0,
+                width: isHorizontal ? Split.dividerMainAxisSize - 2.0 : 2.0,
+              ),
+            ),
+          ),
+      ],
+    );
+
+    final children = [
+      SizedBox(
+        width: isHorizontal ? firstSize : width,
+        height: isHorizontal ? height : firstSize,
+        child: widget.firstChild,
+      ),
+      GestureDetector(
+        key: widget.dividerKey,
+        behavior: HitTestBehavior.translucent,
+        onHorizontalDragUpdate: isHorizontal ? updateSpacing : null,
+        onVerticalDragUpdate: isHorizontal ? null : updateSpacing,
+        // DartStartBehavior.down is needed to keep the mouse pointer stuck to
+        // the drag bar. There still appears to be a few frame lag before the
+        // drag action triggers which is't ideal but isn't a launch blocker.
+        dragStartBehavior: DragStartBehavior.down,
+        child: SizedBox(
+          width: isHorizontal ? Split.dividerMainAxisSize : width,
+          height: isHorizontal ? height : Split.dividerMainAxisSize,
+          child: Center(child: dragIndicator),
+        ),
+      ),
+      SizedBox(
+        width: isHorizontal ? secondSize : width,
+        height: isHorizontal ? height : secondSize,
+        child: widget.secondChild,
+      ),
+    ];
+    return Flex(direction: widget.axis, children: children);
+  }
+}

desktop_photo_search/fluent_ui/lib/src/widgets/unsplash_notice.dart

@@ -0,0 +1,115 @@
+// Copyright 2022 The Flutter team. 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:fluent_ui/fluent_ui.dart';
+import 'package:flutter/gestures.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+import '../../unsplash_access_key.dart';
+
+final _unsplashHomepage = Uri.parse(
+  'https://unsplash.com/?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral',
+);
+final _unsplashPrivacyPolicy = Uri.parse(
+  'https://unsplash.com/privacy?utm_source=${Uri.encodeFull(unsplashAppName)}&utm_medium=referral',
+);
+
+class UnsplashNotice extends StatefulWidget {
+  const UnsplashNotice({super.key, required this.child});
+  final Widget child;
+
+  @override
+  State<UnsplashNotice> createState() => _UnsplashNoticeState();
+}
+
+class _UnsplashNoticeState extends State<UnsplashNotice> {
+  bool noticeAccepted = false;
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
+      showDialog(
+        context: context,
+        builder: (context) {
+          return _UnsplashDialog(
+            accepted: () {
+              setState(() {
+                noticeAccepted = true;
+              });
+            },
+          );
+        },
+      );
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return widget.child;
+  }
+}
+
+class _UnsplashDialog extends StatelessWidget {
+  const _UnsplashDialog({required this.accepted});
+  final Function accepted;
+
+  @override
+  Widget build(BuildContext context) {
+    return ContentDialog(
+      title: const Text('Unsplash Notice'),
+      content: RichText(
+        text: TextSpan(
+          text:
+              'This is a sample desktop application provided by Google'
+              ' that enables you to search ',
+          style: const TextStyle(color: Colors.grey),
+          children: [
+            TextSpan(
+              text: 'Unsplash',
+              recognizer: TapGestureRecognizer()
+                ..onTap = () async {
+                  if (!await launchUrl(_unsplashHomepage)) {
+                    throw 'Could not launch $_unsplashHomepage';
+                  }
+                },
+              style: TextStyle(color: Colors.blue),
+            ),
+            const TextSpan(
+              text:
+                  ' for photographs that interest you. When you search'
+                  ' for and interact with photos, Unsplash will collect'
+                  ' information about you and your use of the Unsplash'
+                  ' services. Learn more about ',
+              style: TextStyle(color: Colors.grey),
+            ),
+            TextSpan(
+              text: 'how Unsplash collects and uses data',
+              recognizer: TapGestureRecognizer()
+                ..onTap = () async {
+                  if (!await launchUrl(_unsplashPrivacyPolicy)) {
+                    throw 'Could not launch $_unsplashPrivacyPolicy';
+                  }
+                },
+              style: TextStyle(color: Colors.blue),
+            ),
+            const TextSpan(
+              text: '.',
+              style: TextStyle(color: Colors.grey),
+            ),
+          ],
+        ),
+      ),
+      actions: [
+        Button(
+          child: const Text('Got it'),
+          onPressed: () {
+            accepted();
+            Navigator.pop(context);
+          },
+        ),
+      ],
+    );
+  }
+}

desktop_photo_search/fluent_ui/lib/src/widgets/unsplash_search_content.dart

@@ -0,0 +1,108 @@
+// Copyright 2022 The Flutter team. 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:file_selector/file_selector.dart';
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:provider/provider.dart';
+
+import '../model/photo_search_model.dart';
+import '../unsplash/photo.dart';
+import '../widgets/photo_details.dart';
+import '../widgets/split.dart' as split;
+
+class UnsplashSearchContent extends StatefulWidget {
+  const UnsplashSearchContent({super.key});
+
+  @override
+  State<UnsplashSearchContent> createState() => _UnsplashSearchContentState();
+}
+
+class _UnsplashSearchContentState extends State<UnsplashSearchContent> {
+  final _treeViewScrollController = ScrollController();
+
+  @override
+  dispose() {
+    _treeViewScrollController.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final photoSearchModel = Provider.of<PhotoSearchModel>(context);
+
+    return split.Split(
+      axis: Axis.horizontal,
+      initialFirstFraction: 0.4,
+      firstChild: Scrollbar(
+        controller: _treeViewScrollController,
+        child: SingleChildScrollView(
+          controller: _treeViewScrollController,
+          child: TreeView(
+            items: photoSearchModel.entries.map(_buildSearchEntry).toList(),
+          ),
+        ),
+      ),
+      secondChild: Center(
+        child: photoSearchModel.selectedPhoto != null
+            ? PhotoDetails(
+                photo: photoSearchModel.selectedPhoto!,
+                onPhotoSave: (photo) async {
+                  final saveLocation = await getSaveLocation(
+                    suggestedName: '${photo.id}.jpg',
+                    acceptedTypeGroups: [
+                      const XTypeGroup(
+                        label: 'JPG',
+                        extensions: ['jpg'],
+                        mimeTypes: ['image/jpeg'],
+                      ),
+                    ],
+                  );
+                  if (saveLocation != null) {
+                    final fileData = await photoSearchModel.download(
+                      photo: photo,
+                    );
+                    final photoFile = XFile.fromData(
+                      fileData,
+                      mimeType: 'image/jpeg',
+                    );
+                    await photoFile.saveTo(saveLocation.path);
+                  }
+                },
+              )
+            : Container(),
+      ),
+    );
+  }
+
+  TreeViewItem _buildSearchEntry(SearchEntry searchEntry) {
+    void selectPhoto(Photo photo) {
+      searchEntry.model.selectedPhoto = photo;
+    }
+
+    String labelForPhoto(Photo photo) => 'Photo by ${photo.user!.name}';
+
+    return TreeViewItem(
+      content: Text(searchEntry.query),
+      children: searchEntry.photos
+          .map<TreeViewItem>(
+            (photo) => TreeViewItem(
+              content: Semantics(
+                button: true,
+                onTap: () => selectPhoto(photo),
+                label: labelForPhoto(photo),
+                excludeSemantics: true,
+                child: GestureDetector(
+                  onTap: () => selectPhoto(photo),
+                  child: Text(
+                    labelForPhoto(photo),
+                    style: const TextStyle(color: Colors.black),
+                  ),
+                ),
+              ),
+            ),
+          )
+          .toList(),
+    );
+  }
+}

desktop_photo_search/fluent_ui/lib/unsplash_access_key.dart

@@ -0,0 +1,9 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// To use this sample: Retrieve an API Access Key from https://unsplash.com/developers
+const String unsplashAccessKey = '';
+
+// The application name for the above API Access Key.
+const unsplashAppName = '';

desktop_photo_search/fluent_ui/linux/.gitignore

@@ -0,0 +1 @@
+flutter/ephemeral

desktop_photo_search/fluent_ui/linux/CMakeLists.txt

@@ -0,0 +1,145 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.10)
+project(runner LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "desktop_photo_search")
+# The unique GTK application identifier for this application. See:
+# https://wiki.gnome.org/HowDoI/ChooseApplicationID
+set(APPLICATION_ID "com.example.desktop_photo_search")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Load bundled libraries from the lib/ directory relative to the binary.
+set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
+
+# Root filesystem for cross-building.
+if(FLUTTER_TARGET_PLATFORM_SYSROOT)
+  set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
+  set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+  set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+  set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+endif()
+
+# Define build configuration options.
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE "Debug" CACHE
+    STRING "Flutter build mode" FORCE)
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "Debug" "Profile" "Release")
+endif()
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_14)
+  target_compile_options(${TARGET} PRIVATE -Wall -Werror)
+  target_compile_options(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+
+add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
+
+# Define the application target. To change its name, change BINARY_NAME above,
+# not the value here, or `flutter run` will no longer work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME}
+  "main.cc"
+  "my_application.cc"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add dependency libraries. Add any application-specific dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter)
+target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
+
+# Only the install-generated bundle's copy of the executable will launch
+# correctly, since the resources must in the right relative locations. To avoid
+# people trying to run the unbundled copy, put it in a subdirectory instead of
+# the default top-level location.
+set_target_properties(${BINARY_NAME}
+  PROPERTIES
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run"
+)
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# By default, "installing" just makes a relocatable bundle in the build
+# directory.
+set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+# Start with a clean build bundle directory every time.
+install(CODE "
+  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
+  " COMPONENT Runtime)
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
+  install(FILES "${bundled_library}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endforeach(bundled_library)
+
+# Copy the native assets provided by the build.dart from all packages.
+set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/linux/")
+install(DIRECTORY "${NATIVE_ASSETS_DIR}"
+   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+   COMPONENT Runtime)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
+  install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()

desktop_photo_search/fluent_ui/linux/flutter/CMakeLists.txt

@@ -0,0 +1,88 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.10)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+
+# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
+# which isn't available in 3.10.
+function(list_prepend LIST_NAME PREFIX)
+    set(NEW_LIST "")
+    foreach(element ${${LIST_NAME}})
+        list(APPEND NEW_LIST "${PREFIX}${element}")
+    endforeach(element)
+    set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE)
+endfunction()
+
+# === Flutter Library ===
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
+pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
+
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "fl_basic_message_channel.h"
+  "fl_binary_codec.h"
+  "fl_binary_messenger.h"
+  "fl_dart_project.h"
+  "fl_engine.h"
+  "fl_json_message_codec.h"
+  "fl_json_method_codec.h"
+  "fl_message_codec.h"
+  "fl_method_call.h"
+  "fl_method_channel.h"
+  "fl_method_codec.h"
+  "fl_method_response.h"
+  "fl_plugin_registrar.h"
+  "fl_plugin_registry.h"
+  "fl_standard_message_codec.h"
+  "fl_standard_method_codec.h"
+  "fl_string_codec.h"
+  "fl_value.h"
+  "fl_view.h"
+  "flutter_linux.h"
+)
+list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
+target_link_libraries(flutter INTERFACE
+  PkgConfig::GTK
+  PkgConfig::GLIB
+  PkgConfig::GIO
+)
+add_dependencies(flutter flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CMAKE_CURRENT_BINARY_DIR}/_phony_
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh"
+      ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+)

desktop_photo_search/fluent_ui/linux/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,23 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+#include <file_selector_linux/file_selector_plugin.h>
+#include <menubar/menubar_plugin.h>
+#include <url_launcher_linux/url_launcher_plugin.h>
+
+void fl_register_plugins(FlPluginRegistry* registry) {
+  g_autoptr(FlPluginRegistrar) file_selector_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "FileSelectorPlugin");
+  file_selector_plugin_register_with_registrar(file_selector_linux_registrar);
+  g_autoptr(FlPluginRegistrar) menubar_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "MenubarPlugin");
+  menubar_plugin_register_with_registrar(menubar_registrar);
+  g_autoptr(FlPluginRegistrar) url_launcher_linux_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "UrlLauncherPlugin");
+  url_launcher_plugin_register_with_registrar(url_launcher_linux_registrar);
+}

desktop_photo_search/fluent_ui/linux/flutter/generated_plugin_registrant.h

@@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter_linux/flutter_linux.h>
+
+// Registers Flutter plugins.
+void fl_register_plugins(FlPluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_

desktop_photo_search/fluent_ui/linux/flutter/generated_plugins.cmake

@@ -0,0 +1,26 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+  file_selector_linux
+  menubar
+  url_launcher_linux
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/linux plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)

desktop_photo_search/fluent_ui/linux/main.cc

@@ -0,0 +1,6 @@
+#include "my_application.h"
+
+int main(int argc, char** argv) {
+  g_autoptr(MyApplication) app = my_application_new();
+  return g_application_run(G_APPLICATION(app), argc, argv);
+}

desktop_photo_search/fluent_ui/linux/my_application.cc

@@ -0,0 +1,104 @@
+#include "my_application.h"
+
+#include <flutter_linux/flutter_linux.h>
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#include "flutter/generated_plugin_registrant.h"
+
+struct _MyApplication {
+  GtkApplication parent_instance;
+  char** dart_entrypoint_arguments;
+};
+
+G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
+
+// Implements GApplication::activate.
+static void my_application_activate(GApplication* application) {
+  MyApplication* self = MY_APPLICATION(application);
+  GtkWindow* window =
+      GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
+
+  // Use a header bar when running in GNOME as this is the common style used
+  // by applications and is the setup most users will be using (e.g. Ubuntu
+  // desktop).
+  // If running on X and not using GNOME then just use a traditional title bar
+  // in case the window manager does more exotic layout, e.g. tiling.
+  // If running on Wayland assume the header bar will work (may need changing
+  // if future cases occur).
+  gboolean use_header_bar = TRUE;
+#ifdef GDK_WINDOWING_X11
+  GdkScreen* screen = gtk_window_get_screen(window);
+  if (GDK_IS_X11_SCREEN(screen)) {
+    const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
+    if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
+      use_header_bar = FALSE;
+    }
+  }
+#endif
+  if (use_header_bar) {
+    GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
+    gtk_widget_show(GTK_WIDGET(header_bar));
+    gtk_header_bar_set_title(header_bar, "desktop_photo_search");
+    gtk_header_bar_set_show_close_button(header_bar, TRUE);
+    gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
+  } else {
+    gtk_window_set_title(window, "desktop_photo_search");
+  }
+
+  gtk_window_set_default_size(window, 1280, 720);
+  gtk_widget_show(GTK_WIDGET(window));
+
+  g_autoptr(FlDartProject) project = fl_dart_project_new();
+  fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
+
+  FlView* view = fl_view_new(project);
+  gtk_widget_show(GTK_WIDGET(view));
+  gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
+
+  fl_register_plugins(FL_PLUGIN_REGISTRY(view));
+
+  gtk_widget_grab_focus(GTK_WIDGET(view));
+}
+
+// Implements GApplication::local_command_line.
+static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
+  MyApplication* self = MY_APPLICATION(application);
+  // Strip out the first argument as it is the binary name.
+  self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
+
+  g_autoptr(GError) error = nullptr;
+  if (!g_application_register(application, nullptr, &error)) {
+     g_warning("Failed to register: %s", error->message);
+     *exit_status = 1;
+     return TRUE;
+  }
+
+  g_application_activate(application);
+  *exit_status = 0;
+
+  return TRUE;
+}
+
+// Implements GObject::dispose.
+static void my_application_dispose(GObject* object) {
+  MyApplication* self = MY_APPLICATION(object);
+  g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
+  G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
+}
+
+static void my_application_class_init(MyApplicationClass* klass) {
+  G_APPLICATION_CLASS(klass)->activate = my_application_activate;
+  G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
+  G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
+}
+
+static void my_application_init(MyApplication* self) {}
+
+MyApplication* my_application_new() {
+  return MY_APPLICATION(g_object_new(my_application_get_type(),
+                                     "application-id", APPLICATION_ID,
+                                     "flags", G_APPLICATION_NON_UNIQUE,
+                                     nullptr));
+}

desktop_photo_search/fluent_ui/linux/my_application.h

@@ -0,0 +1,18 @@
+#ifndef FLUTTER_MY_APPLICATION_H_
+#define FLUTTER_MY_APPLICATION_H_
+
+#include <gtk/gtk.h>
+
+G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
+                     GtkApplication)
+
+/**
+ * my_application_new:
+ *
+ * Creates a new Flutter-based application.
+ *
+ * Returns: a new #MyApplication.
+ */
+MyApplication* my_application_new();
+
+#endif  // FLUTTER_MY_APPLICATION_H_

desktop_photo_search/fluent_ui/macos/.gitignore

@@ -0,0 +1,7 @@
+# Flutter-related
+**/Flutter/ephemeral/
+**/Pods/
+
+# Xcode-related
+**/dgph
+**/xcuserdata/

desktop_photo_search/fluent_ui/macos/Flutter/Flutter-Debug.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"

desktop_photo_search/fluent_ui/macos/Flutter/Flutter-Release.xcconfig

@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"

desktop_photo_search/fluent_ui/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -0,0 +1,16 @@
+//
+//  Generated file. Do not edit.
+//
+
+import FlutterMacOS
+import Foundation
+
+import file_selector_macos
+import menubar
+import url_launcher_macos
+
+func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
+  MenubarPlugin.register(with: registry.registrar(forPlugin: "MenubarPlugin"))
+  UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin"))
+}

desktop_photo_search/fluent_ui/macos/Podfile

@@ -0,0 +1,43 @@
+platform :osx, '10.14'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def flutter_root
+  generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'ephemeral', 'Flutter-Generated.xcconfig'), __FILE__)
+  unless File.exist?(generated_xcode_build_settings_path)
+    raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure \"flutter pub get\" is executed first"
+  end
+
+  File.foreach(generated_xcode_build_settings_path) do |line|
+    matches = line.match(/FLUTTER_ROOT\=(.*)/)
+    return matches[1].strip if matches
+  end
+  raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Flutter-Generated.xcconfig, then run \"flutter pub get\""
+end
+
+require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root)
+
+flutter_macos_podfile_setup
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  flutter_install_all_macos_pods File.dirname(File.realpath(__FILE__))
+  target 'RunnerTests' do
+    inherit! :search_paths
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    flutter_additional_macos_build_settings(target)
+  end
+end

desktop_photo_search/fluent_ui/macos/Runner.xcodeproj/project.pbxproj

@@ -0,0 +1,791 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 54;
+	objects = {
+
+/* Begin PBXAggregateTarget section */
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+			isa = PBXAggregateTarget;
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+			buildPhases = (
+				33CC111E2044C6BF0003C045 /* ShellScript */,
+			);
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+			);
+			name = "Flutter Assemble";
+			productName = FLX;
+		};
+/* End PBXAggregateTarget section */
+
+/* Begin PBXBuildFile section */
+		331C80D8294CF71000263BE5 /* RunnerTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 331C80D7294CF71000263BE5 /* RunnerTests.swift */; };
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+/* End PBXBuildFile section */
+
+/* Begin PBXContainerItemProxy section */
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+			containerPortal = 33CC10E52044A3C60003C045 /* Project object */;
+			proxyType = 1;
+			remoteGlobalIDString = 33CC10EC2044A3C60003C045;
+			remoteInfo = Runner;
+		};
+		33CC111F2044C79F0003C045 /* PBXContainerItemProxy */ = {
+			isa = PBXContainerItemProxy;
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+			remoteInfo = FLX;
+		};
+/* End PBXContainerItemProxy section */
+
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+		33CC110E2044A8840003C045 /* Bundle Framework */ = {
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+/* End PBXCopyFilesBuildPhase section */
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+		331C80D7294CF71000263BE5 /* RunnerTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RunnerTests.swift; sourceTree = "<group>"; };
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+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		331C80D6294CF71000263BE5 /* RunnerTests */ = {
+			isa = PBXGroup;
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+				331C80D7294CF71000263BE5 /* RunnerTests.swift */,
+			);
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+		};
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+			children = (
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+				333000ED22D3DE5D00554162 /* Warnings.xcconfig */,
+			);
+			path = Configs;
+			sourceTree = "<group>";
+		};
+		33CC10E42044A3C60003C045 = {
+			isa = PBXGroup;
+			children = (
+				33FAB671232836740065AC1E /* Runner */,
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+				33CC10EE2044A3C60003C045 /* Products */,
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+				B357E0D4BD0F93B773AE2F88 /* Pods */,
+			);
+			sourceTree = "<group>";
+		};
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+			isa = PBXGroup;
+			children = (
+				33CC10ED2044A3C60003C045 /* desktop_photo_search.app */,
+				331C80D5294CF71000263BE5 /* RunnerTests.xctest */,
+			);
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+			sourceTree = "<group>";
+		};
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+			children = (
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+				33CC10F42044A3C60003C045 /* MainMenu.xib */,
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+			);
+			name = Resources;
+			path = ..;
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+		};
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+			children = (
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+				33CEB47422A05771004F2AC0 /* Flutter-Release.xcconfig */,
+				33CEB47722A0578A004F2AC0 /* Flutter-Generated.xcconfig */,
+			);
+			path = Flutter;
+			sourceTree = "<group>";
+		};
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+			children = (
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+				10C47C9C15752FE372FF2CDC /* Pods_RunnerTests.framework */,
+			);
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+			sourceTree = "<group>";
+		};
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+
+/* Begin PBXNativeTarget section */
+		331C80D4294CF70F00263BE5 /* RunnerTests */ = {
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+				3399D490228B24CF009A79C7 /* ShellScript */,
+				40D98D982D3C9F50CF1E0699 /* [CP] Embed Pods Frameworks */,
+			);
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+			);
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+			);
+			name = Runner;
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+			productReference = 33CC10ED2044A3C60003C045 /* desktop_photo_search.app */;
+			productType = "com.apple.product-type.application";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		33CC10E52044A3C60003C045 /* Project object */ = {
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+			attributes = {
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+			buildConfigurationList = 33CC10E82044A3C60003C045 /* Build configuration list for PBXProject "Runner" */;
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+			);
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+}

desktop_photo_search/fluent_ui/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

desktop_photo_search/fluent_ui/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1430"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+               BuildableName = "desktop_photo_search.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "desktop_photo_search.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C80D4294CF70F00263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "desktop_photo_search.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "desktop_photo_search.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

desktop_photo_search/fluent_ui/macos/Runner.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>

desktop_photo_search/fluent_ui/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

desktop_photo_search/fluent_ui/macos/Runner/AppDelegate.swift

@@ -0,0 +1,9 @@
+import Cocoa
+import FlutterMacOS
+
+@NSApplicationMain
+class AppDelegate: FlutterAppDelegate {
+  override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
+    return true
+  }
+}

desktop_photo_search/fluent_ui/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,68 @@
+{
+  "images" : [
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_16.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_64.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_128.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_1024.png",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

desktop_photo_search/fluent_ui/macos/Runner/Base.lproj/MainMenu.xib

@@ -0,0 +1,343 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14490.70"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
+            <connections>
+                <outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="Runner" customModuleProvider="target">
+            <connections>
+                <outlet property="applicationMenu" destination="uQy-DD-JDr" id="XBo-yE-nKs"/>
+                <outlet property="mainFlutterWindow" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
+            </connections>
+        </customObject>
+        <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
+        <menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
+            <items>
+                <menuItem title="APP_NAME" id="1Xt-HY-uBw">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="APP_NAME" systemMenu="apple" id="uQy-DD-JDr">
+                        <items>
+                            <menuItem title="About APP_NAME" id="5kV-Vb-QxS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
+                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
+                            <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
+                            <menuItem title="Services" id="NMo-om-nkz">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
+                            <menuItem title="Hide APP_NAME" keyEquivalent="h" id="Olw-nP-bQN">
+                                <connections>
+                                    <action selector="hide:" target="-1" id="PnN-Uc-m68"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Show All" id="Kd2-mp-pUS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
+                            <menuItem title="Quit APP_NAME" keyEquivalent="q" id="4sb-4s-VLi">
+                                <connections>
+                                    <action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Edit" id="5QF-Oa-p0T">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Edit" id="W48-6f-4Dl">
+                        <items>
+                            <menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
+                                <connections>
+                                    <action selector="undo:" target="-1" id="M6e-cu-g7V"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
+                                <connections>
+                                    <action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
+                            <menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
+                                <connections>
+                                    <action selector="cut:" target="-1" id="YJe-68-I9s"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
+                                <connections>
+                                    <action selector="copy:" target="-1" id="G1f-GL-Joy"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
+                                <connections>
+                                    <action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Delete" id="pa3-QI-u2k">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
+                                <connections>
+                                    <action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
+                            <menuItem title="Find" id="4EN-yA-p0u">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Find" id="1b7-l0-nxx">
+                                    <items>
+                                        <menuItem title="Find…" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find and Replace…" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
+                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
+                                            <connections>
+                                                <action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
+                                    <items>
+                                        <menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
+                                            <connections>
+                                                <action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
+                                            <connections>
+                                                <action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
+                                        <menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Substitutions" id="9ic-FL-obx">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
+                                    <items>
+                                        <menuItem title="Show Substitutions" id="z6F-FW-3nz">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
+                                        <menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Quotes" id="hQb-2v-fYv">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Dashes" id="rgM-f4-ycn">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Links" id="cwL-P1-jid">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Data Detectors" id="tRr-pd-1PS">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Text Replacement" id="HFQ-gK-NFA">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Transformations" id="2oI-Rn-ZJC">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Transformations" id="c8a-y6-VQd">
+                                    <items>
+                                        <menuItem title="Make Upper Case" id="vmV-6d-7jI">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Make Lower Case" id="d9M-CD-aMd">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Capitalize" id="UEZ-Bs-lqG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Speech" id="xrE-MZ-jX0">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Speech" id="3rS-ZA-NoH">
+                                    <items>
+                                        <menuItem title="Start Speaking" id="Ynk-f8-cLZ">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Stop Speaking" id="Oyz-dy-DGm">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="View" id="H8h-7b-M4v">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="View" id="HyV-fh-RgO">
+                        <items>
+                            <menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa">
+                                <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
+                                <connections>
+                                    <action selector="toggleFullScreen:" target="-1" id="dU3-MA-1Rq"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Window" id="aUF-d1-5bR">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
+                        <items>
+                            <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
+                                <connections>
+                                    <action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Zoom" id="R4o-n2-Eq4">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
+                            <menuItem title="Bring All to Front" id="LE2-aR-0XJ">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Help" id="EPT-qC-fAb">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Help" systemMenu="help" id="rJ0-wn-3NY"/>
+                </menuItem>
+            </items>
+            <point key="canvasLocation" x="142" y="-258"/>
+        </menu>
+        <window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
+            <rect key="contentRect" x="335" y="390" width="800" height="600"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
+            <view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
+                <rect key="frame" x="0.0" y="0.0" width="800" height="600"/>
+                <autoresizingMask key="autoresizingMask"/>
+            </view>
+        </window>
+    </objects>
+</document>

desktop_photo_search/fluent_ui/macos/Runner/Configs/AppInfo.xcconfig

@@ -0,0 +1,14 @@
+// Application-level settings for the Runner target.
+//
+// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the
+// future. If not, the values below would default to using the project name when this becomes a
+// 'flutter create' template.
+
+// The application's name. By default this is also the title of the Flutter window.
+PRODUCT_NAME = desktop_photo_search
+
+// The application's bundle identifier
+PRODUCT_BUNDLE_IDENTIFIER = com.example.desktopPhotoSearch
+
+// The copyright displayed in application information
+PRODUCT_COPYRIGHT = Copyright © 2023 com.example. All rights reserved.

desktop_photo_search/fluent_ui/macos/Runner/Configs/Debug.xcconfig

@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Debug.xcconfig"
+#include "Warnings.xcconfig"

desktop_photo_search/fluent_ui/macos/Runner/Configs/Release.xcconfig

@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Release.xcconfig"
+#include "Warnings.xcconfig"

desktop_photo_search/fluent_ui/macos/Runner/Configs/Warnings.xcconfig

@@ -0,0 +1,13 @@
+WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings
+GCC_WARN_UNDECLARED_SELECTOR = YES
+CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES
+CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE
+CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
+CLANG_WARN_PRAGMA_PACK = YES
+CLANG_WARN_STRICT_PROTOTYPES = YES
+CLANG_WARN_COMMA = YES
+GCC_WARN_STRICT_SELECTOR_MATCH = YES
+CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES
+CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
+GCC_WARN_SHADOW = YES
+CLANG_WARN_UNREACHABLE_CODE = YES

desktop_photo_search/fluent_ui/macos/Runner/DebugProfile.entitlements

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.cs.allow-jit</key>
+	<true/>
+	<key>com.apple.security.files.user-selected.read-write</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+	<key>com.apple.security.network.server</key>
+	<true/>
+</dict>
+</plist>

desktop_photo_search/fluent_ui/macos/Runner/Info.plist

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>$(PRODUCT_COPYRIGHT)</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>

desktop_photo_search/fluent_ui/macos/Runner/MainFlutterWindow.swift

@@ -0,0 +1,15 @@
+import Cocoa
+import FlutterMacOS
+
+class MainFlutterWindow: NSWindow {
+  override func awakeFromNib() {
+    let flutterViewController = FlutterViewController()
+    let windowFrame = self.frame
+    self.contentViewController = flutterViewController
+    self.setFrame(windowFrame, display: true)
+
+    RegisterGeneratedPlugins(registry: flutterViewController)
+
+    super.awakeFromNib()
+  }
+}

desktop_photo_search/fluent_ui/macos/Runner/Release.entitlements

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.files.user-selected.read-write</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+</dict>
+</plist>

desktop_photo_search/fluent_ui/macos/RunnerTests/RunnerTests.swift

@@ -0,0 +1,12 @@
+import FlutterMacOS
+import Cocoa
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}

desktop_photo_search/fluent_ui/pubspec.yaml

@@ -0,0 +1,55 @@
+name: desktop_photo_search
+description: Search for Photos, using the Unsplash API.
+publish_to: 'none'
+version: 1.0.0+1
+resolution: workspace
+
+environment:
+  sdk: ^3.9.0-0
+
+dependencies:
+  built_collection: ^5.1.1
+  built_value: ^8.6.1
+  cupertino_icons: ^1.0.5
+  file_selector: ^1.0.0
+  fluent_ui: ^4.7.2
+  fluentui_system_icons: ^1.1.208
+  flutter:
+    sdk: flutter
+  http: ^1.2.1
+  logging: ^1.2.0
+  menubar:
+    git:
+      url: https://github.com/google/flutter-desktop-embedding.git
+      path: plugins/menubar
+  provider: ^6.0.5
+  transparent_image: ^2.0.1
+  url_launcher: ^6.1.12
+  uuid: ^4.0.0
+
+dev_dependencies:
+  analysis_defaults:
+    path: ../../analysis_defaults
+  async: ^2.11.0
+  build: ^3.0.0
+  build_runner: ^2.4.6
+  built_value_generator: ^8.6.1
+  flutter_test:
+    sdk: flutter
+  grinder: ^0.9.4
+  msix: ^3.16.1
+
+flutter:
+  uses-material-design: true
+
+msix_config:
+  display_name: Flutter Desktop Photo Search
+  publisher_display_name: flutter.dev
+  store: false # Set to true to deploy to Microsoft Store
+  publisher: CN=01A6D5C0-D51A-4EEE-8DD0-F134DDD378F7
+  identity_name: 16354flutter.dev.FlutterDesktopPhotoSearch
+  msix_version: 1.0.0.1
+  icons_background_color: "#ffffff"
+  architecture: x64
+  # See https://docs.microsoft.com/en-us/windows/uwp/packaging/app-capability-declarations
+  capabilities: "internetClient"

desktop_photo_search/fluent_ui/test/unsplash_test.dart

@@ -0,0 +1,538 @@
+// Copyright 2019 The Flutter team. 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:desktop_photo_search/src/unsplash/photo.dart';
+import 'package:desktop_photo_search/src/unsplash/search_photos_response.dart';
+import 'package:desktop_photo_search/src/unsplash/unsplash.dart';
+import 'package:desktop_photo_search/src/unsplash/user.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:http/http.dart';
+import 'package:http/testing.dart';
+
+void main() {
+  test('Photo.fromJson', () {
+    const input = '''
+{
+  "id": "Dwu85P9SOIk",
+  "created_at": "2016-05-03T11:00:28-04:00",
+  "updated_at": "2016-07-10T11:00:01-05:00",
+  "width": 2448,
+  "height": 3264,
+  "color": "#6E633A",
+  "downloads": 1345,
+  "likes": 24,
+  "liked_by_user": false,
+  "description": "A man drinking a coffee.",
+  "exif": {
+    "make": "Canon",
+    "model": "Canon EOS 40D",
+    "exposure_time": "0.011111111111111112",
+    "aperture": "4.970854",
+    "focal_length": "37",
+    "iso": 100
+  },
+  "location": {
+    "city": "Montreal",
+    "country": "Canada",
+    "position": {
+      "latitude": 45.4732984,
+      "longitude": -73.6384879
+    }
+  },
+  "tags": [
+    { "title": "man" },
+    { "title": "drinking" },
+    { "title": "coffee" }
+  ],
+  "current_user_collections": [
+    {
+      "id": 206,
+      "title": "Makers: Cat and Ben",
+      "published_at": "2016-01-12T18:16:09-05:00",
+      "updated_at": "2016-07-10T11:00:01-05:00",
+      "cover_photo": null,
+      "user": null
+    }
+  ],
+  "urls": {
+    "raw": "https://images.unsplash.com/photo-1417325384643-aac51acc9e5d",
+    "full": "https://images.unsplash.com/photo-1417325384643-aac51acc9e5d?q=75&fm=jpg",
+    "regular": "https://images.unsplash.com/photo-1417325384643-aac51acc9e5d?q=75&fm=jpg&w=1080&fit=max",
+    "small": "https://images.unsplash.com/photo-1417325384643-aac51acc9e5d?q=75&fm=jpg&w=400&fit=max",
+    "thumb": "https://images.unsplash.com/photo-1417325384643-aac51acc9e5d?q=75&fm=jpg&w=200&fit=max"
+  },
+  "links": {
+    "self": "https://api.unsplash.com/photos/Dwu85P9SOIk",
+    "html": "https://unsplash.com/photos/Dwu85P9SOIk",
+    "download": "https://unsplash.com/photos/Dwu85P9SOIk/download",
+    "download_location": "https://api.unsplash.com/photos/Dwu85P9SOIk/download"
+  },
+  "user": {
+    "id": "QPxL2MGqfrw",
+    "updated_at": "2016-07-10T11:00:01-05:00",
+    "username": "exampleuser",
+    "name": "Joe Example",
+    "portfolio_url": "https://example.com/",
+    "bio": "Just an everyday Joe",
+    "location": "Montreal",
+    "total_likes": 5,
+    "total_photos": 10,
+    "total_collections": 13,
+    "links": {
+      "self": "https://api.unsplash.com/users/exampleuser",
+      "html": "https://unsplash.com/exampleuser",
+      "photos": "https://api.unsplash.com/users/exampleuser/photos",
+      "likes": "https://api.unsplash.com/users/exampleuser/likes",
+      "portfolio": "https://api.unsplash.com/users/exampleuser/portfolio"
+    }
+  }
+}
+      ''';
+
+    final photo = Photo.fromJson(input)!;
+    expect(photo.id, 'Dwu85P9SOIk');
+    expect(photo.createdAt, '2016-05-03T11:00:28-04:00');
+    expect(photo.updatedAt, '2016-07-10T11:00:01-05:00');
+    expect(photo.width, 2448);
+    expect(photo.height, 3264);
+    expect(photo.color, '#6E633A');
+    expect(photo.downloads, 1345);
+    expect(photo.likedByUser, false);
+    expect(photo.exif!.make, 'Canon');
+    expect(photo.exif!.iso, 100);
+    expect(photo.location!.city, 'Montreal');
+    expect(photo.location!.country, 'Canada');
+    expect(photo.location!.position!.latitude, 45.4732984);
+    expect(photo.location!.position!.longitude, -73.6384879);
+  });
+
+  test('User.fromJson', () {
+    const input = '''
+{
+  "id": "pXhwzz1JtQU",
+  "updated_at": "2016-07-10T11:00:01-05:00",
+  "username": "jimmyexample",
+  "name": "James Example",
+  "first_name": "James",
+  "last_name": "Example",
+  "instagram_username": "instantgrammer",
+  "twitter_username": "jimmy",
+  "portfolio_url": null,
+  "bio": "The user's bio",
+  "location": "Montreal, Qc",
+  "total_likes": 20,
+  "total_photos": 10,
+  "total_collections": 5,
+  "followed_by_user": false,
+  "followers_count": 300,
+  "following_count": 25,
+  "downloads": 225974,
+  "profile_image": {
+    "small": "https://images.unsplash.com/face-springmorning.jpg?q=80&fm=jpg&crop=faces&fit=crop&h=32&w=32",
+    "medium": "https://images.unsplash.com/face-springmorning.jpg?q=80&fm=jpg&crop=faces&fit=crop&h=64&w=64",
+    "large": "https://images.unsplash.com/face-springmorning.jpg?q=80&fm=jpg&crop=faces&fit=crop&h=128&w=128"
+  },
+  "badge": {
+    "title": "Book contributor",
+    "primary": true,
+    "slug": "book-contributor",
+    "link": "https://book.unsplash.com"
+  },
+  "links": {
+    "self": "https://api.unsplash.com/users/jimmyexample",
+    "html": "https://unsplash.com/jimmyexample",
+    "photos": "https://api.unsplash.com/users/jimmyexample/photos",
+    "likes": "https://api.unsplash.com/users/jimmyexample/likes",
+    "portfolio": "https://api.unsplash.com/users/jimmyexample/portfolio"
+  }
+}
+      ''';
+
+    final user = User.fromJson(input)!;
+    expect(user.id, 'pXhwzz1JtQU');
+  });
+
+  test('SearchPhotosResponse.fromJson', () {
+    const input = '''
+{
+  "total": 133,
+  "total_pages": 7,
+  "results": [
+    {
+      "id": "eOLpJytrbsQ",
+      "created_at": "2014-11-18T14:35:36-05:00",
+      "width": 4000,
+      "height": 3000,
+      "color": "#A7A2A1",
+      "likes": 286,
+      "liked_by_user": false,
+      "description": "A man drinking a coffee.",
+      "user": {
+        "id": "Ul0QVz12Goo",
+        "username": "ugmonk",
+        "name": "Jeff Sheldon",
+        "first_name": "Jeff",
+        "last_name": "Sheldon",
+        "instagram_username": "instantgrammer",
+        "twitter_username": "ugmonk",
+        "portfolio_url": "http://ugmonk.com/",
+        "profile_image": {
+          "small": "https://images.unsplash.com/profile-1441298803695-accd94000cac?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&fit=crop&h=32&w=32&s=7cfe3b93750cb0c93e2f7caec08b5a41",
+          "medium": "https://images.unsplash.com/profile-1441298803695-accd94000cac?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&fit=crop&h=64&w=64&s=5a9dc749c43ce5bd60870b129a40902f",
+          "large": "https://images.unsplash.com/profile-1441298803695-accd94000cac?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&fit=crop&h=128&w=128&s=32085a077889586df88bfbe406692202"
+        },
+        "links": {
+          "self": "https://api.unsplash.com/users/ugmonk",
+          "html": "http://unsplash.com/@ugmonk",
+          "photos": "https://api.unsplash.com/users/ugmonk/photos",
+          "likes": "https://api.unsplash.com/users/ugmonk/likes"
+        }
+      },
+      "current_user_collections": [],
+      "urls": {
+        "raw": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f",
+        "full": "https://hd.unsplash.com/photo-1416339306562-f3d12fefd36f",
+        "regular": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=1080&fit=max&s=92f3e02f63678acc8416d044e189f515",
+        "small": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&s=263af33585f9d32af39d165b000845eb",
+        "thumb": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=200&fit=max&s=8aae34cf35df31a592f0bef16e6342ef"
+      },
+      "links": {
+        "self": "https://api.unsplash.com/photos/eOLpJytrbsQ",
+        "html": "http://unsplash.com/photos/eOLpJytrbsQ",
+        "download": "http://unsplash.com/photos/eOLpJytrbsQ/download"
+      }
+    }
+  ]
+}
+      ''';
+
+    final response = SearchPhotosResponse.fromJson(input)!;
+    expect(response.total, 133);
+    expect(response.totalPages, 7);
+    expect(response.results[0].id, 'eOLpJytrbsQ');
+    expect(response.results[0].user!.id, 'Ul0QVz12Goo');
+  });
+
+  group('Unsplash API client', () {
+    test('handles success', () async {
+      const searchPhotosResponseBody = '''
+{
+  "total": 133,
+  "total_pages": 7,
+  "results": [
+    {
+      "id": "eOLpJytrbsQ",
+      "created_at": "2014-11-18T14:35:36-05:00",
+      "width": 4000,
+      "height": 3000,
+      "color": "#A7A2A1",
+      "likes": 286,
+      "liked_by_user": false,
+      "description": "A man drinking a coffee.",
+      "user": {
+        "id": "Ul0QVz12Goo",
+        "username": "ugmonk",
+        "name": "Jeff Sheldon",
+        "first_name": "Jeff",
+        "last_name": "Sheldon",
+        "instagram_username": "instantgrammer",
+        "twitter_username": "ugmonk",
+        "portfolio_url": "http://ugmonk.com/",
+        "profile_image": {
+          "small": "https://images.unsplash.com/profile-1441298803695-accd94000cac?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&fit=crop&h=32&w=32&s=7cfe3b93750cb0c93e2f7caec08b5a41",
+          "medium": "https://images.unsplash.com/profile-1441298803695-accd94000cac?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&fit=crop&h=64&w=64&s=5a9dc749c43ce5bd60870b129a40902f",
+          "large": "https://images.unsplash.com/profile-1441298803695-accd94000cac?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&fit=crop&h=128&w=128&s=32085a077889586df88bfbe406692202"
+        },
+        "links": {
+          "self": "https://api.unsplash.com/users/ugmonk",
+          "html": "http://unsplash.com/@ugmonk",
+          "photos": "https://api.unsplash.com/users/ugmonk/photos",
+          "likes": "https://api.unsplash.com/users/ugmonk/likes"
+        }
+      },
+      "current_user_collections": [],
+      "urls": {
+        "raw": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f",
+        "full": "https://hd.unsplash.com/photo-1416339306562-f3d12fefd36f",
+        "regular": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=1080&fit=max&s=92f3e02f63678acc8416d044e189f515",
+        "small": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&s=263af33585f9d32af39d165b000845eb",
+        "thumb": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=200&fit=max&s=8aae34cf35df31a592f0bef16e6342ef"
+      },
+      "links": {
+        "self": "https://api.unsplash.com/photos/eOLpJytrbsQ",
+        "html": "http://unsplash.com/photos/eOLpJytrbsQ",
+        "download": "http://unsplash.com/photos/eOLpJytrbsQ/download"
+      }
+    }
+  ]
+}
+      ''';
+
+      final httpClient = MockClient((req) async {
+        return Response(
+          searchPhotosResponseBody,
+          200,
+          request: req,
+          headers: {'content-type': 'application/json'},
+        );
+      });
+
+      final unsplashClient = Unsplash(
+        accessKey: 'not-an-access-key',
+        httpClient: httpClient,
+      );
+
+      final response = (await unsplashClient.searchPhotos(query: 'red'))!;
+
+      expect(response.total, 133);
+      expect(response.totalPages, 7);
+      expect(response.results[0].id, 'eOLpJytrbsQ');
+      expect(response.results[0].user!.id, 'Ul0QVz12Goo');
+    });
+
+    test('handles failure', () async {
+      const apiError =
+          '{"errors":["OAuth error: The access token is invalid"]}';
+
+      final httpClient = MockClient((req) async {
+        return Response(
+          apiError,
+          401,
+          request: req,
+          headers: {'content-type': 'application/json'},
+        );
+      });
+
+      final unsplashClient = Unsplash(
+        accessKey: 'not-an-access-key',
+        httpClient: httpClient,
+      );
+
+      try {
+        await unsplashClient.searchPhotos(query: 'red');
+        fail('UnsplashException should have been thrown');
+      } on UnsplashException catch (e) {
+        expect(
+          e.toString(),
+          'UnsplashException: OAuth error: The access token is invalid',
+        );
+      }
+    });
+
+    test('handles broken JSON', () async {
+      const apiError = '{"tot'; // truncated JSON.
+
+      final httpClient = MockClient((req) async {
+        return Response(
+          apiError,
+          401,
+          request: req,
+          headers: {'content-type': 'application/json'},
+        );
+      });
+
+      final unsplashClient = Unsplash(
+        accessKey: 'not-an-access-key',
+        httpClient: httpClient,
+      );
+
+      try {
+        await unsplashClient.searchPhotos(query: 'red');
+        fail('UnsplashException should have been thrown');
+      } on UnsplashException catch (e) {
+        expect(e.toString(), 'UnsplashException: Invalid JSON received');
+      }
+    });
+  });
+
+  test('handles utf8 content in JSON', () async {
+    const searchPhotosResponseBody = '''
+{
+    "total": 22395,
+    "total_pages": 2240,
+    "results": [
+        {
+            "id": "E4u_Zo9PET8",
+            "created_at": "2019-12-29T13:45:28-05:00",
+            "updated_at": "2020-11-05T17:12:18-05:00",
+            "promoted_at": null,
+            "width": 2598,
+            "height": 4618,
+            "color": "#A53E40",
+            "blur_hash": "LlO{8lL#XSbu*Jtla0jZOrb^ozjF",
+            "description": null,
+            "alt_description": "red apparel",
+            "urls": {
+                "raw": "https://images.unsplash.com/photo-1577645113639-32537a4a938b?ixlib=rb-1.2.1\u0026ixid=eyJhcHBfaWQiOjM5NTU5fQ",
+                "full": "https://images.unsplash.com/photo-1577645113639-32537a4a938b?ixlib=rb-1.2.1\u0026q=85\u0026fm=jpg\u0026crop=entropy\u0026cs=srgb\u0026ixid=eyJhcHBfaWQiOjM5NTU5fQ",
+                "regular": "https://images.unsplash.com/photo-1577645113639-32537a4a938b?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=entropy\u0026cs=tinysrgb\u0026w=1080\u0026fit=max\u0026ixid=eyJhcHBfaWQiOjM5NTU5fQ",
+                "small": "https://images.unsplash.com/photo-1577645113639-32537a4a938b?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=entropy\u0026cs=tinysrgb\u0026w=400\u0026fit=max\u0026ixid=eyJhcHBfaWQiOjM5NTU5fQ",
+                "thumb": "https://images.unsplash.com/photo-1577645113639-32537a4a938b?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=entropy\u0026cs=tinysrgb\u0026w=200\u0026fit=max\u0026ixid=eyJhcHBfaWQiOjM5NTU5fQ"
+            },
+            "links": {
+                "self": "https://api.unsplash.com/photos/E4u_Zo9PET8",
+                "html": "https://unsplash.com/photos/E4u_Zo9PET8",
+                "download": "https://unsplash.com/photos/E4u_Zo9PET8/download",
+                "download_location": "https://api.unsplash.com/photos/E4u_Zo9PET8/download"
+            },
+            "categories": [],
+            "likes": 132,
+            "liked_by_user": false,
+            "current_user_collections": [],
+            "sponsorship": null,
+            "user": {
+                "id": "_2nQcPrbyuE",
+                "updated_at": "2020-11-06T01:37:51-05:00",
+                "username": "svalenas",
+                "name": "Sergiu Vălenaș",
+                "first_name": "Sergiu",
+                "last_name": "Vălenaș",
+                "twitter_username": null,
+                "portfolio_url": null,
+                "bio": "Gifted psychologist and enthusiast photographer",
+                "location": "Cluj-Napoca, Romania",
+                "links": {
+                    "self": "https://api.unsplash.com/users/svalenas",
+                    "html": "https://unsplash.com/@svalenas",
+                    "photos": "https://api.unsplash.com/users/svalenas/photos",
+                    "likes": "https://api.unsplash.com/users/svalenas/likes",
+                    "portfolio": "https://api.unsplash.com/users/svalenas/portfolio",
+                    "following": "https://api.unsplash.com/users/svalenas/following",
+                    "followers": "https://api.unsplash.com/users/svalenas/followers"
+                },
+                "profile_image": {
+                    "small": "https://images.unsplash.com/profile-1597067601066-d43176d68553image?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=faces\u0026cs=tinysrgb\u0026fit=crop\u0026h=32\u0026w=32",
+                    "medium": "https://images.unsplash.com/profile-1597067601066-d43176d68553image?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=faces\u0026cs=tinysrgb\u0026fit=crop\u0026h=64\u0026w=64",
+                    "large": "https://images.unsplash.com/profile-1597067601066-d43176d68553image?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=faces\u0026cs=tinysrgb\u0026fit=crop\u0026h=128\u0026w=128"
+                },
+                "instagram_username": "svalenas",
+                "total_collections": 0,
+                "total_likes": 413,
+                "total_photos": 129,
+                "accepted_tos": true
+            },
+            "tags": [
+                {
+                    "type": "landing_page",
+                    "title": "red",
+                    "source": {
+                        "ancestry": {
+                            "type": {
+                                "slug": "wallpapers",
+                                "pretty_slug": "HD Wallpapers"
+                            },
+                            "category": {
+                                "slug": "colors",
+                                "pretty_slug": "Color"
+                            },
+                            "subcategory": {
+                                "slug": "red",
+                                "pretty_slug": "Red"
+                            }
+                        },
+                        "title": "HD Red Wallpapers",
+                        "subtitle": "Download Free Red Wallpapers",
+                        "description": "Choose from a curated selection of red wallpapers for your mobile and desktop screens. Always free on Unsplash.",
+                        "meta_title": "Red Wallpapers: Free HD Download [500+ HQ] | Unsplash",
+                        "meta_description": "Choose from hundreds of free red wallpapers. Download HD wallpapers for free on Unsplash.",
+                        "cover_photo": {
+                            "id": "HyBXy5PHQR8",
+                            "created_at": "2018-02-17T13:44:58-05:00",
+                            "updated_at": "2020-10-21T01:07:42-04:00",
+                            "promoted_at": null,
+                            "width": 3024,
+                            "height": 4032,
+                            "color": "#C51918",
+                            "blur_hash": "L9Bmx_o1o1Jl|cwxWpWpN]\$5N]sU",
+                            "description": null,
+                            "alt_description": "red textile",
+                            "urls": {
+                                "raw": "https://images.unsplash.com/photo-1518893063132-36e46dbe2428?ixlib=rb-1.2.1",
+                                "full": "https://images.unsplash.com/photo-1518893063132-36e46dbe2428?ixlib=rb-1.2.1\u0026q=85\u0026fm=jpg\u0026crop=entropy\u0026cs=srgb",
+                                "regular": "https://images.unsplash.com/photo-1518893063132-36e46dbe2428?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=entropy\u0026cs=tinysrgb\u0026w=1080\u0026fit=max",
+                                "small": "https://images.unsplash.com/photo-1518893063132-36e46dbe2428?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=entropy\u0026cs=tinysrgb\u0026w=400\u0026fit=max",
+                                "thumb": "https://images.unsplash.com/photo-1518893063132-36e46dbe2428?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=entropy\u0026cs=tinysrgb\u0026w=200\u0026fit=max"
+                            },
+                            "links": {
+                                "self": "https://api.unsplash.com/photos/HyBXy5PHQR8",
+                                "html": "https://unsplash.com/photos/HyBXy5PHQR8",
+                                "download": "https://unsplash.com/photos/HyBXy5PHQR8/download",
+                                "download_location": "https://api.unsplash.com/photos/HyBXy5PHQR8/download"
+                            },
+                            "categories": [],
+                            "likes": 1243,
+                            "liked_by_user": false,
+                            "current_user_collections": [],
+                            "sponsorship": null,
+                            "user": {
+                                "id": "6nkkrwW9M-s",
+                                "updated_at": "2020-10-22T20:44:54-04:00",
+                                "username": "montylov",
+                                "name": "MontyLov",
+                                "first_name": "MontyLov",
+                                "last_name": null,
+                                "twitter_username": "MontyLov",
+                                "portfolio_url": "http://montylov.com",
+                                "bio": "Stay humble and innovate.",
+                                "location": null,
+                                "links": {
+                                    "self": "https://api.unsplash.com/users/montylov",
+                                    "html": "https://unsplash.com/@montylov",
+                                    "photos": "https://api.unsplash.com/users/montylov/photos",
+                                    "likes": "https://api.unsplash.com/users/montylov/likes",
+                                    "portfolio": "https://api.unsplash.com/users/montylov/portfolio",
+                                    "following": "https://api.unsplash.com/users/montylov/following",
+                                    "followers": "https://api.unsplash.com/users/montylov/followers"
+                                },
+                                "profile_image": {
+                                    "small": "https://images.unsplash.com/profile-1588478301600-b5e5203a574aimage?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=faces\u0026cs=tinysrgb\u0026fit=crop\u0026h=32\u0026w=32",
+                                    "medium": "https://images.unsplash.com/profile-1588478301600-b5e5203a574aimage?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=faces\u0026cs=tinysrgb\u0026fit=crop\u0026h=64\u0026w=64",
+                                    "large": "https://images.unsplash.com/profile-1588478301600-b5e5203a574aimage?ixlib=rb-1.2.1\u0026q=80\u0026fm=jpg\u0026crop=faces\u0026cs=tinysrgb\u0026fit=crop\u0026h=128\u0026w=128"
+                                },
+                                "instagram_username": "montylov",
+                                "total_collections": 1,
+                                "total_likes": 0,
+                                "total_photos": 79,
+                                "accepted_tos": false
+                            }
+                        }
+                    }
+                },
+                {
+                    "type": "search",
+                    "title": "rug"
+                },
+                {
+                    "type": "search",
+                    "title": "plant"
+                }
+            ]
+        }
+    ]
+}
+      ''';
+
+    final httpClient = MockClient((req) async {
+      return Response(
+        searchPhotosResponseBody,
+        200,
+        request: req,
+        headers: {'content-type': 'application/json; charset=utf-8'},
+      );
+    });
+
+    final unsplashClient = Unsplash(
+      accessKey: 'not-an-access-key',
+      httpClient: httpClient,
+    );
+
+    final response = (await unsplashClient.searchPhotos(query: 'red'))!;
+
+    expect(response.total, 22395);
+    expect(response.totalPages, 2240);
+    expect(response.results[0].id, 'E4u_Zo9PET8');
+    expect(response.results[0].user!.id, '_2nQcPrbyuE');
+    expect(response.results[0].user!.name, 'Sergiu Vălenaș');
+  });
+}

desktop_photo_search/fluent_ui/test/widget_test.dart

@@ -0,0 +1,134 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:typed_data';
+
+import 'package:desktop_photo_search/src/model/photo_search_model.dart';
+import 'package:desktop_photo_search/src/unsplash/photo.dart';
+import 'package:desktop_photo_search/src/unsplash/search_photos_response.dart';
+import 'package:desktop_photo_search/src/unsplash/unsplash.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:provider/provider.dart';
+
+class FakeUnsplash implements Unsplash {
+  static const searchPhotosResponse = '''
+{
+  "total": 133,
+  "total_pages": 7,
+  "results": [
+    {
+      "id": "eOLpJytrbsQ",
+      "created_at": "2014-11-18T14:35:36-05:00",
+      "width": 4000,
+      "height": 3000,
+      "color": "#A7A2A1",
+      "likes": 286,
+      "liked_by_user": false,
+      "description": "A man drinking a coffee.",
+      "user": {
+        "id": "Ul0QVz12Goo",
+        "username": "ugmonk",
+        "name": "Jeff Sheldon",
+        "first_name": "Jeff",
+        "last_name": "Sheldon",
+        "instagram_username": "instantgrammer",
+        "twitter_username": "ugmonk",
+        "portfolio_url": "http://ugmonk.com/",
+        "profile_image": {
+          "small": "https://images.unsplash.com/profile-1441298803695-accd94000cac?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&fit=crop&h=32&w=32&s=7cfe3b93750cb0c93e2f7caec08b5a41",
+          "medium": "https://images.unsplash.com/profile-1441298803695-accd94000cac?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&fit=crop&h=64&w=64&s=5a9dc749c43ce5bd60870b129a40902f",
+          "large": "https://images.unsplash.com/profile-1441298803695-accd94000cac?ixlib=rb-0.3.5&q=80&fm=jpg&crop=faces&cs=tinysrgb&fit=crop&h=128&w=128&s=32085a077889586df88bfbe406692202"
+        },
+        "links": {
+          "self": "https://api.unsplash.com/users/ugmonk",
+          "html": "http://unsplash.com/@ugmonk",
+          "photos": "https://api.unsplash.com/users/ugmonk/photos",
+          "likes": "https://api.unsplash.com/users/ugmonk/likes"
+        }
+      },
+      "current_user_collections": [],
+      "urls": {
+        "raw": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f",
+        "full": "https://hd.unsplash.com/photo-1416339306562-f3d12fefd36f",
+        "regular": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=1080&fit=max&s=92f3e02f63678acc8416d044e189f515",
+        "small": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=400&fit=max&s=263af33585f9d32af39d165b000845eb",
+        "thumb": "https://images.unsplash.com/photo-1416339306562-f3d12fefd36f?ixlib=rb-0.3.5&q=80&fm=jpg&crop=entropy&cs=tinysrgb&w=200&fit=max&s=8aae34cf35df31a592f0bef16e6342ef"
+      },
+      "links": {
+        "self": "https://api.unsplash.com/photos/eOLpJytrbsQ",
+        "html": "http://unsplash.com/photos/eOLpJytrbsQ",
+        "download": "http://unsplash.com/photos/eOLpJytrbsQ/download"
+      }
+    }
+  ]
+}
+      ''';
+
+  @override
+  Future<SearchPhotosResponse?> searchPhotos({
+    String? query,
+    num page = 1,
+    num perPage = 10,
+    List<num> collections = const [],
+    SearchPhotosOrientation? orientation,
+  }) async {
+    return SearchPhotosResponse.fromJson(searchPhotosResponse);
+  }
+
+  @override
+  Future<Uint8List> download(Photo photo) {
+    throw UnimplementedError();
+  }
+}
+
+const fabKey = Key('fab');
+
+class PhotoSearchModelTester extends StatelessWidget {
+  const PhotoSearchModelTester({required this.query, super.key});
+  final String query;
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: TextButton(
+        key: fabKey,
+        onPressed: () async {
+          await Provider.of<PhotoSearchModel>(
+            context,
+            listen: false,
+          ).addSearch(query);
+        },
+        child: const Text('Search for a Photo'),
+      ),
+    );
+  }
+}
+
+void main() {
+  group('search_list', () {
+    testWidgets('starts empty', (tester) async {
+      final unsplashSearches = PhotoSearchModel(FakeUnsplash());
+      final testWidget = ChangeNotifierProvider<PhotoSearchModel>(
+        create: (context) => unsplashSearches,
+        child: const PhotoSearchModelTester(query: 'clouds'),
+      );
+      await tester.pumpWidget(testWidget);
+      expect(unsplashSearches.entries.length, 0);
+    });
+
+    testWidgets('addSearch adds searches', (tester) async {
+      final unsplashSearches = PhotoSearchModel(FakeUnsplash());
+      final testWidget = ChangeNotifierProvider<PhotoSearchModel>(
+        create: (context) => unsplashSearches,
+        child: const PhotoSearchModelTester(query: 'clouds'),
+      );
+      await tester.pumpWidget(testWidget);
+      await tester.tap(find.byKey(fabKey));
+      await tester.tap(find.byKey(fabKey));
+      await tester.pumpAndSettle();
+
+      expect(unsplashSearches.entries.length, 2);
+    });
+  });
+}

desktop_photo_search/fluent_ui/tool/grind.dart

@@ -0,0 +1,55 @@
+// Copyright 2019 The Flutter team. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:async/async.dart' show StreamGroup;
+import 'package:grinder/grinder.dart';
+
+void main(List<String> args) => grind(args);
+
+@DefaultTask()
+@Depends(pubGet, generateJsonBindings, analyzeSource, test)
+void build() {}
+
+@Task()
+Future<void> pubGet() async =>
+    _logProcessOutput(Process.start('flutter', ['pub', 'get']));
+
+@Task()
+Future<void> generateJsonBindings() async => _logProcessOutput(
+  Process.start('flutter', [
+    'pub',
+    'run',
+    'build_runner',
+    'build',
+    '--delete-conflicting-outputs',
+  ]),
+);
+
+@Task()
+Future<void> watch() async => _logProcessOutput(
+  Process.start('dart', ['run', 'build_runner', 'watch']),
+);
+
+@Task()
+Future<void> analyzeSource() async =>
+    _logProcessOutput(Process.start('flutter', ['analyze']));
+
+@Task()
+Future<void> test() async =>
+    _logProcessOutput(Process.start('flutter', ['test']));
+
+@Task()
+Future<void> clean() => _logProcessOutput(Process.start('flutter', ['clean']));
+
+Future<void> _logProcessOutput(Future<Process> proc) async {
+  final process = await proc;
+  final output = StreamGroup.merge([process.stdout, process.stderr]);
+  await for (final message in output) {
+    log(utf8.decode(message));
+  }
+}

desktop_photo_search/fluent_ui/windows/.gitignore

@@ -0,0 +1,17 @@
+flutter/ephemeral/
+
+# Visual Studio user-specific files.
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Visual Studio build-related files.
+x64/
+x86/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/

desktop_photo_search/fluent_ui/windows/CMakeLists.txt

@@ -0,0 +1,108 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.14)
+project(desktop_photo_search LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "desktop_photo_search")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(VERSION 3.14...3.25)
+
+# Define build configuration option.
+get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(IS_MULTICONFIG)
+  set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
+    CACHE STRING "" FORCE)
+else()
+  if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_BUILD_TYPE "Debug" CACHE
+      STRING "Flutter build mode" FORCE)
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+      "Debug" "Profile" "Release")
+  endif()
+endif()
+# Define settings for the Profile build mode.
+set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
+set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
+set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
+set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
+
+# Use Unicode for all projects.
+add_definitions(-DUNICODE -D_UNICODE)
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_17)
+  target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
+  target_compile_options(${TARGET} PRIVATE /EHsc)
+  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner")
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# Support files are copied into place next to the executable, so that it can
+# run in place. This is done instead of making a separate bundle (as on Linux)
+# so that building and running from within Visual Studio will work.
+set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
+# Make the "install" step default, as it's required to run.
+set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+if(PLUGIN_BUNDLED_LIBRARIES)
+  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
+
+# Copy the native assets provided by the build.dart from all packages.
+set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/windows/")
+install(DIRECTORY "${NATIVE_ASSETS_DIR}"
+   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+   COMPONENT Runtime)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  CONFIGURATIONS Profile;Release
+  COMPONENT Runtime)

desktop_photo_search/fluent_ui/windows/flutter/CMakeLists.txt

@@ -0,0 +1,109 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.14)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
+
+# Set fallback configurations for older versions of the flutter tool.
+if (NOT DEFINED FLUTTER_TARGET_PLATFORM)
+  set(FLUTTER_TARGET_PLATFORM "windows-x64")
+endif()
+
+# === Flutter Library ===
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "flutter_export.h"
+  "flutter_windows.h"
+  "flutter_messenger.h"
+  "flutter_plugin_registrar.h"
+  "flutter_texture_registrar.h"
+)
+list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
+add_dependencies(flutter flutter_assemble)
+
+# === Wrapper ===
+list(APPEND CPP_WRAPPER_SOURCES_CORE
+  "core_implementations.cc"
+  "standard_codec.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
+  "plugin_registrar.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_APP
+  "flutter_engine.cc"
+  "flutter_view_controller.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
+
+# Wrapper sources needed for a plugin.
+add_library(flutter_wrapper_plugin STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+)
+apply_standard_settings(flutter_wrapper_plugin)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  POSITION_INDEPENDENT_CODE ON)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
+target_include_directories(flutter_wrapper_plugin PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_plugin flutter_assemble)
+
+# Wrapper sources needed for the runner.
+add_library(flutter_wrapper_app STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_APP}
+)
+apply_standard_settings(flutter_wrapper_app)
+target_link_libraries(flutter_wrapper_app PUBLIC flutter)
+target_include_directories(flutter_wrapper_app PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_app flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
+set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
+    ${CPP_WRAPPER_SOURCES_APP}
+    ${PHONY_OUTPUT}
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
+      ${FLUTTER_TARGET_PLATFORM} $<CONFIG>
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+  ${CPP_WRAPPER_SOURCES_APP}
+)

desktop_photo_search/fluent_ui/windows/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,20 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+#include <file_selector_windows/file_selector_windows.h>
+#include <menubar/menubar_plugin.h>
+#include <url_launcher_windows/url_launcher_windows.h>
+
+void RegisterPlugins(flutter::PluginRegistry* registry) {
+  FileSelectorWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FileSelectorWindows"));
+  MenubarPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("MenubarPlugin"));
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
+}

desktop_photo_search/fluent_ui/windows/flutter/generated_plugin_registrant.h

@@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter/plugin_registry.h>
+
+// Registers Flutter plugins.
+void RegisterPlugins(flutter::PluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_

desktop_photo_search/fluent_ui/windows/flutter/generated_plugins.cmake

@@ -0,0 +1,26 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+  file_selector_windows
+  menubar
+  url_launcher_windows
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)

desktop_photo_search/fluent_ui/windows/runner/CMakeLists.txt

@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 3.14)
+project(runner LANGUAGES CXX)
+
+# Define the application target. To change its name, change BINARY_NAME in the
+# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
+# work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME} WIN32
+  "flutter_window.cpp"
+  "main.cpp"
+  "utils.cpp"
+  "win32_window.cpp"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+  "Runner.rc"
+  "runner.exe.manifest"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add preprocessor definitions for the build version.
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}")
+
+# Disable Windows macros that collide with C++ standard library functions.
+target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
+
+# Add dependency libraries and include directories. Add any application-specific
+# dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
+target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib")
+target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)

desktop_photo_search/fluent_ui/windows/runner/Runner.rc

@@ -0,0 +1,121 @@
+// Microsoft Visual C++ generated resource script.
+//
+#pragma code_page(65001)
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "winres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (United States) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+    "#include ""winres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD)
+#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD
+#else
+#define VERSION_AS_NUMBER 1,0,0,0
+#endif
+
+#if defined(FLUTTER_VERSION)
+#define VERSION_AS_STRING FLUTTER_VERSION
+#else
+#define VERSION_AS_STRING "1.0.0"
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION VERSION_AS_NUMBER
+ PRODUCTVERSION VERSION_AS_NUMBER
+ FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+#ifdef _DEBUG
+ FILEFLAGS VS_FF_DEBUG
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS VOS__WINDOWS32
+ FILETYPE VFT_APP
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904e4"
+        BEGIN
+            VALUE "CompanyName", "com.example" "\0"
+            VALUE "FileDescription", "desktop_photo_search" "\0"
+            VALUE "FileVersion", VERSION_AS_STRING "\0"
+            VALUE "InternalName", "desktop_photo_search" "\0"
+            VALUE "LegalCopyright", "Copyright (C) 2023 com.example. All rights reserved." "\0"
+            VALUE "OriginalFilename", "desktop_photo_search.exe" "\0"
+            VALUE "ProductName", "desktop_photo_search" "\0"
+            VALUE "ProductVersion", VERSION_AS_STRING "\0"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1252
+    END
+END
+
+#endif    // English (United States) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED

desktop_photo_search/fluent_ui/windows/runner/flutter_window.cpp

@@ -0,0 +1,71 @@
+#include "flutter_window.h"
+
+#include <optional>
+
+#include "flutter/generated_plugin_registrant.h"
+
+FlutterWindow::FlutterWindow(const flutter::DartProject& project)
+    : project_(project) {}
+
+FlutterWindow::~FlutterWindow() {}
+
+bool FlutterWindow::OnCreate() {
+  if (!Win32Window::OnCreate()) {
+    return false;
+  }
+
+  RECT frame = GetClientArea();
+
+  // The size here must match the window dimensions to avoid unnecessary surface
+  // creation / destruction in the startup path.
+  flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
+      frame.right - frame.left, frame.bottom - frame.top, project_);
+  // Ensure that basic setup of the controller was successful.
+  if (!flutter_controller_->engine() || !flutter_controller_->view()) {
+    return false;
+  }
+  RegisterPlugins(flutter_controller_->engine());
+  SetChildContent(flutter_controller_->view()->GetNativeWindow());
+
+  flutter_controller_->engine()->SetNextFrameCallback([&]() {
+    this->Show();
+  });
+
+  // Flutter can complete the first frame before the "show window" callback is
+  // registered. The following call ensures a frame is pending to ensure the
+  // window is shown. It is a no-op if the first frame hasn't completed yet.
+  flutter_controller_->ForceRedraw();
+
+  return true;
+}
+
+void FlutterWindow::OnDestroy() {
+  if (flutter_controller_) {
+    flutter_controller_ = nullptr;
+  }
+
+  Win32Window::OnDestroy();
+}
+
+LRESULT
+FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
+                              WPARAM const wparam,
+                              LPARAM const lparam) noexcept {
+  // Give Flutter, including plugins, an opportunity to handle window messages.
+  if (flutter_controller_) {
+    std::optional<LRESULT> result =
+        flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
+                                                      lparam);
+    if (result) {
+      return *result;
+    }
+  }
+
+  switch (message) {
+    case WM_FONTCHANGE:
+      flutter_controller_->engine()->ReloadSystemFonts();
+      break;
+  }
+
+  return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
+}

desktop_photo_search/fluent_ui/windows/runner/flutter_window.h

@@ -0,0 +1,33 @@
+#ifndef RUNNER_FLUTTER_WINDOW_H_
+#define RUNNER_FLUTTER_WINDOW_H_
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+
+#include <memory>
+
+#include "win32_window.h"
+
+// A window that does nothing but host a Flutter view.
+class FlutterWindow : public Win32Window {
+ public:
+  // Creates a new FlutterWindow hosting a Flutter view running |project|.
+  explicit FlutterWindow(const flutter::DartProject& project);
+  virtual ~FlutterWindow();
+
+ protected:
+  // Win32Window:
+  bool OnCreate() override;
+  void OnDestroy() override;
+  LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
+                         LPARAM const lparam) noexcept override;
+
+ private:
+  // The project to run.
+  flutter::DartProject project_;
+
+  // The Flutter instance hosted by this window.
+  std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
+};
+
+#endif  // RUNNER_FLUTTER_WINDOW_H_

desktop_photo_search/fluent_ui/windows/runner/main.cpp

@@ -0,0 +1,43 @@
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+#include <windows.h>
+
+#include "flutter_window.h"
+#include "utils.h"
+
+int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
+                      _In_ wchar_t *command_line, _In_ int show_command) {
+  // Attach to console when present (e.g., 'flutter run') or create a
+  // new console when running with a debugger.
+  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
+    CreateAndAttachConsole();
+  }
+
+  // Initialize COM, so that it is available for use in the library and/or
+  // plugins.
+  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+
+  flutter::DartProject project(L"data");
+
+  std::vector<std::string> command_line_arguments =
+      GetCommandLineArguments();
+
+  project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
+
+  FlutterWindow window(project);
+  Win32Window::Point origin(10, 10);
+  Win32Window::Size size(1280, 720);
+  if (!window.Create(L"desktop_photo_search", origin, size)) {
+    return EXIT_FAILURE;
+  }
+  window.SetQuitOnClose(true);
+
+  ::MSG msg;
+  while (::GetMessage(&msg, nullptr, 0, 0)) {
+    ::TranslateMessage(&msg);
+    ::DispatchMessage(&msg);
+  }
+
+  ::CoUninitialize();
+  return EXIT_SUCCESS;
+}

desktop_photo_search/fluent_ui/windows/runner/resource.h

@@ -0,0 +1,16 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by Runner.rc
+//
+#define IDI_APP_ICON                    101
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        102
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif

desktop_photo_search/fluent_ui/windows/runner/runner.exe.manifest

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows 10 and Windows 11 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+      <!-- Windows 8.1 -->
+      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
+      <!-- Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
+      <!-- Windows 7 -->
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
+    </application>
+  </compatibility>
+</assembly>

desktop_photo_search/fluent_ui/windows/runner/utils.cpp

@@ -0,0 +1,65 @@
+#include "utils.h"
+
+#include <flutter_windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <windows.h>
+
+#include <iostream>
+
+void CreateAndAttachConsole() {
+  if (::AllocConsole()) {
+    FILE *unused;
+    if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
+      _dup2(_fileno(stdout), 1);
+    }
+    if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
+      _dup2(_fileno(stdout), 2);
+    }
+    std::ios::sync_with_stdio();
+    FlutterDesktopResyncOutputStreams();
+  }
+}
+
+std::vector<std::string> GetCommandLineArguments() {
+  // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
+  int argc;
+  wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
+  if (argv == nullptr) {
+    return std::vector<std::string>();
+  }
+
+  std::vector<std::string> command_line_arguments;
+
+  // Skip the first argument as it's the binary name.
+  for (int i = 1; i < argc; i++) {
+    command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
+  }
+
+  ::LocalFree(argv);
+
+  return command_line_arguments;
+}
+
+std::string Utf8FromUtf16(const wchar_t* utf16_string) {
+  if (utf16_string == nullptr) {
+    return std::string();
+  }
+  int target_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      -1, nullptr, 0, nullptr, nullptr)
+    -1; // remove the trailing null character
+  int input_length = (int)wcslen(utf16_string);
+  std::string utf8_string;
+  if (target_length <= 0 || target_length > utf8_string.max_size()) {
+    return utf8_string;
+  }
+  utf8_string.resize(target_length);
+  int converted_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      input_length, utf8_string.data(), target_length, nullptr, nullptr);
+  if (converted_length == 0) {
+    return std::string();
+  }
+  return utf8_string;
+}

desktop_photo_search/fluent_ui/windows/runner/utils.h

@@ -0,0 +1,19 @@
+#ifndef RUNNER_UTILS_H_
+#define RUNNER_UTILS_H_
+
+#include <string>
+#include <vector>
+
+// Creates a console for the process, and redirects stdout and stderr to
+// it for both the runner and the Flutter library.
+void CreateAndAttachConsole();
+
+// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
+// encoded in UTF-8. Returns an empty std::string on failure.
+std::string Utf8FromUtf16(const wchar_t* utf16_string);
+
+// Gets the command line arguments passed in as a std::vector<std::string>,
+// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
+std::vector<std::string> GetCommandLineArguments();
+
+#endif  // RUNNER_UTILS_H_

desktop_photo_search/fluent_ui/windows/runner/win32_window.cpp

@@ -0,0 +1,288 @@
+#include "win32_window.h"
+
+#include <dwmapi.h>
+#include <flutter_windows.h>
+
+#include "resource.h"
+
+namespace {
+
+/// Window attribute that enables dark mode window decorations.
+///
+/// Redefined in case the developer's machine has a Windows SDK older than
+/// version 10.0.22000.0.
+/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
+#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
+#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
+#endif
+
+constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
+
+/// Registry key for app theme preference.
+///
+/// A value of 0 indicates apps should use dark mode. A non-zero or missing
+/// value indicates apps should use light mode.
+constexpr const wchar_t kGetPreferredBrightnessRegKey[] =
+  L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
+constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme";
+
+// The number of Win32Window objects that currently exist.
+static int g_active_window_count = 0;
+
+using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
+
+// Scale helper to convert logical scaler values to physical using passed in
+// scale factor
+int Scale(int source, double scale_factor) {
+  return static_cast<int>(source * scale_factor);
+}
+
+// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
+// This API is only needed for PerMonitor V1 awareness mode.
+void EnableFullDpiSupportIfAvailable(HWND hwnd) {
+  HMODULE user32_module = LoadLibraryA("User32.dll");
+  if (!user32_module) {
+    return;
+  }
+  auto enable_non_client_dpi_scaling =
+      reinterpret_cast<EnableNonClientDpiScaling*>(
+          GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
+  if (enable_non_client_dpi_scaling != nullptr) {
+    enable_non_client_dpi_scaling(hwnd);
+  }
+  FreeLibrary(user32_module);
+}
+
+}  // namespace
+
+// Manages the Win32Window's window class registration.
+class WindowClassRegistrar {
+ public:
+  ~WindowClassRegistrar() = default;
+
+  // Returns the singleton registrar instance.
+  static WindowClassRegistrar* GetInstance() {
+    if (!instance_) {
+      instance_ = new WindowClassRegistrar();
+    }
+    return instance_;
+  }
+
+  // Returns the name of the window class, registering the class if it hasn't
+  // previously been registered.
+  const wchar_t* GetWindowClass();
+
+  // Unregisters the window class. Should only be called if there are no
+  // instances of the window.
+  void UnregisterWindowClass();
+
+ private:
+  WindowClassRegistrar() = default;
+
+  static WindowClassRegistrar* instance_;
+
+  bool class_registered_ = false;
+};
+
+WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;
+
+const wchar_t* WindowClassRegistrar::GetWindowClass() {
+  if (!class_registered_) {
+    WNDCLASS window_class{};
+    window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
+    window_class.lpszClassName = kWindowClassName;
+    window_class.style = CS_HREDRAW | CS_VREDRAW;
+    window_class.cbClsExtra = 0;
+    window_class.cbWndExtra = 0;
+    window_class.hInstance = GetModuleHandle(nullptr);
+    window_class.hIcon =
+        LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
+    window_class.hbrBackground = 0;
+    window_class.lpszMenuName = nullptr;
+    window_class.lpfnWndProc = Win32Window::WndProc;
+    RegisterClass(&window_class);
+    class_registered_ = true;
+  }
+  return kWindowClassName;
+}
+
+void WindowClassRegistrar::UnregisterWindowClass() {
+  UnregisterClass(kWindowClassName, nullptr);
+  class_registered_ = false;
+}
+
+Win32Window::Win32Window() {
+  ++g_active_window_count;
+}
+
+Win32Window::~Win32Window() {
+  --g_active_window_count;
+  Destroy();
+}
+
+bool Win32Window::Create(const std::wstring& title,
+                         const Point& origin,
+                         const Size& size) {
+  Destroy();
+
+  const wchar_t* window_class =
+      WindowClassRegistrar::GetInstance()->GetWindowClass();
+
+  const POINT target_point = {static_cast<LONG>(origin.x),
+                              static_cast<LONG>(origin.y)};
+  HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
+  UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
+  double scale_factor = dpi / 96.0;
+
+  HWND window = CreateWindow(
+      window_class, title.c_str(), WS_OVERLAPPEDWINDOW,
+      Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
+      Scale(size.width, scale_factor), Scale(size.height, scale_factor),
+      nullptr, nullptr, GetModuleHandle(nullptr), this);
+
+  if (!window) {
+    return false;
+  }
+
+  UpdateTheme(window);
+
+  return OnCreate();
+}
+
+bool Win32Window::Show() {
+  return ShowWindow(window_handle_, SW_SHOWNORMAL);
+}
+
+// static
+LRESULT CALLBACK Win32Window::WndProc(HWND const window,
+                                      UINT const message,
+                                      WPARAM const wparam,
+                                      LPARAM const lparam) noexcept {
+  if (message == WM_NCCREATE) {
+    auto window_struct = reinterpret_cast<CREATESTRUCT*>(lparam);
+    SetWindowLongPtr(window, GWLP_USERDATA,
+                     reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
+
+    auto that = static_cast<Win32Window*>(window_struct->lpCreateParams);
+    EnableFullDpiSupportIfAvailable(window);
+    that->window_handle_ = window;
+  } else if (Win32Window* that = GetThisFromHandle(window)) {
+    return that->MessageHandler(window, message, wparam, lparam);
+  }
+
+  return DefWindowProc(window, message, wparam, lparam);
+}
+
+LRESULT
+Win32Window::MessageHandler(HWND hwnd,
+                            UINT const message,
+                            WPARAM const wparam,
+                            LPARAM const lparam) noexcept {
+  switch (message) {
+    case WM_DESTROY:
+      window_handle_ = nullptr;
+      Destroy();
+      if (quit_on_close_) {
+        PostQuitMessage(0);
+      }
+      return 0;
+
+    case WM_DPICHANGED: {
+      auto newRectSize = reinterpret_cast<RECT*>(lparam);
+      LONG newWidth = newRectSize->right - newRectSize->left;
+      LONG newHeight = newRectSize->bottom - newRectSize->top;
+
+      SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
+                   newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
+
+      return 0;
+    }
+    case WM_SIZE: {
+      RECT rect = GetClientArea();
+      if (child_content_ != nullptr) {
+        // Size and position the child window.
+        MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
+                   rect.bottom - rect.top, TRUE);
+      }
+      return 0;
+    }
+
+    case WM_ACTIVATE:
+      if (child_content_ != nullptr) {
+        SetFocus(child_content_);
+      }
+      return 0;
+
+    case WM_DWMCOLORIZATIONCOLORCHANGED:
+      UpdateTheme(hwnd);
+      return 0;
+  }
+
+  return DefWindowProc(window_handle_, message, wparam, lparam);
+}
+
+void Win32Window::Destroy() {
+  OnDestroy();
+
+  if (window_handle_) {
+    DestroyWindow(window_handle_);
+    window_handle_ = nullptr;
+  }
+  if (g_active_window_count == 0) {
+    WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
+  }
+}
+
+Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
+  return reinterpret_cast<Win32Window*>(
+      GetWindowLongPtr(window, GWLP_USERDATA));
+}
+
+void Win32Window::SetChildContent(HWND content) {
+  child_content_ = content;
+  SetParent(content, window_handle_);
+  RECT frame = GetClientArea();
+
+  MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
+             frame.bottom - frame.top, true);
+
+  SetFocus(child_content_);
+}
+
+RECT Win32Window::GetClientArea() {
+  RECT frame;
+  GetClientRect(window_handle_, &frame);
+  return frame;
+}
+
+HWND Win32Window::GetHandle() {
+  return window_handle_;
+}
+
+void Win32Window::SetQuitOnClose(bool quit_on_close) {
+  quit_on_close_ = quit_on_close;
+}
+
+bool Win32Window::OnCreate() {
+  // No-op; provided for subclasses.
+  return true;
+}
+
+void Win32Window::OnDestroy() {
+  // No-op; provided for subclasses.
+}
+
+void Win32Window::UpdateTheme(HWND const window) {
+  DWORD light_mode;
+  DWORD light_mode_size = sizeof(light_mode);
+  LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey,
+                               kGetPreferredBrightnessRegValue,
+                               RRF_RT_REG_DWORD, nullptr, &light_mode,
+                               &light_mode_size);
+
+  if (result == ERROR_SUCCESS) {
+    BOOL enable_dark_mode = light_mode == 0;
+    DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE,
+                          &enable_dark_mode, sizeof(enable_dark_mode));
+  }
+}

desktop_photo_search/fluent_ui/windows/runner/win32_window.h

@@ -0,0 +1,102 @@
+#ifndef RUNNER_WIN32_WINDOW_H_
+#define RUNNER_WIN32_WINDOW_H_
+
+#include <windows.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+// A class abstraction for a high DPI-aware Win32 Window. Intended to be
+// inherited from by classes that wish to specialize with custom
+// rendering and input handling
+class Win32Window {
+ public:
+  struct Point {
+    unsigned int x;
+    unsigned int y;
+    Point(unsigned int x, unsigned int y) : x(x), y(y) {}
+  };
+
+  struct Size {
+    unsigned int width;
+    unsigned int height;
+    Size(unsigned int width, unsigned int height)
+        : width(width), height(height) {}
+  };
+
+  Win32Window();
+  virtual ~Win32Window();
+
+  // Creates a win32 window with |title| that is positioned and sized using
+  // |origin| and |size|. New windows are created on the default monitor. Window
+  // sizes are specified to the OS in physical pixels, hence to ensure a
+  // consistent size this function will scale the inputted width and height as
+  // as appropriate for the default monitor. The window is invisible until
+  // |Show| is called. Returns true if the window was created successfully.
+  bool Create(const std::wstring& title, const Point& origin, const Size& size);
+
+  // Show the current window. Returns true if the window was successfully shown.
+  bool Show();
+
+  // Release OS resources associated with window.
+  void Destroy();
+
+  // Inserts |content| into the window tree.
+  void SetChildContent(HWND content);
+
+  // Returns the backing Window handle to enable clients to set icon and other
+  // window properties. Returns nullptr if the window has been destroyed.
+  HWND GetHandle();
+
+  // If true, closing this window will quit the application.
+  void SetQuitOnClose(bool quit_on_close);
+
+  // Return a RECT representing the bounds of the current client area.
+  RECT GetClientArea();
+
+ protected:
+  // Processes and route salient window messages for mouse handling,
+  // size change and DPI. Delegates handling of these to member overloads that
+  // inheriting classes can handle.
+  virtual LRESULT MessageHandler(HWND window,
+                                 UINT const message,
+                                 WPARAM const wparam,
+                                 LPARAM const lparam) noexcept;
+
+  // Called when CreateAndShow is called, allowing subclass window-related
+  // setup. Subclasses should return false if setup fails.
+  virtual bool OnCreate();
+
+  // Called when Destroy is called.
+  virtual void OnDestroy();
+
+ private:
+  friend class WindowClassRegistrar;
+
+  // OS callback called by message pump. Handles the WM_NCCREATE message which
+  // is passed when the non-client area is being created and enables automatic
+  // non-client DPI scaling so that the non-client area automatically
+  // responds to changes in DPI. All other messages are handled by
+  // MessageHandler.
+  static LRESULT CALLBACK WndProc(HWND const window,
+                                  UINT const message,
+                                  WPARAM const wparam,
+                                  LPARAM const lparam) noexcept;
+
+  // Retrieves a class instance pointer for |window|
+  static Win32Window* GetThisFromHandle(HWND const window) noexcept;
+
+  // Update the window frame's theme to match the system theme.
+  static void UpdateTheme(HWND const window);
+
+  bool quit_on_close_ = false;
+
+  // window handle for top level window.
+  HWND window_handle_ = nullptr;
+
+  // window handle for hosted content.
+  HWND child_content_ = nullptr;
+};
+
+#endif  // RUNNER_WIN32_WINDOW_H_