[url_launcher] Add InAppBrowserConfiguration parameter (flutter#5758)

This is flutter#5166 portion of platform interface changes. Adds `InAppBrowserConfiguration` parameter, as well as `InAppBrowserConfiguration.showTitle` parameter that configures whether to show or not to show webpage title

Author: Alex-Usmanov

packages/url_launcher/url_launcher_platform_interface/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.3.0
+* Adds `InAppBrowserConfiguration` parameter to `LaunchOptions`, to configure in-app browser views, such as Android Custom Tabs or `SFSafariViewController`.
+* Adds `showTitle` parameter to `InAppBrowserConfiguration` in order to control web-page title visibility.
+
 ## 2.2.1
 
 * Updates minimum supported SDK version to Flutter 3.10/Dart 3.0.

packages/url_launcher/url_launcher_platform_interface/lib/src/types.dart

@@ -50,13 +50,26 @@ class InAppWebViewConfiguration {
   final Map<String, String> headers;
 }
 
+/// Additional configuration options for [PreferredLaunchMode.inAppBrowserView].
+@immutable
+class InAppBrowserConfiguration {
+  /// Creates a new InAppBrowserConfiguration with given settings.
+  const InAppBrowserConfiguration({this.showTitle = false});
+
+  /// Whether or not to show the webpage title.
+  ///
+  /// May not be supported on all platforms.
+  final bool showTitle;
+}
+
 /// Options for [launchUrl].
 @immutable
 class LaunchOptions {
   /// Creates a new parameter object with the given options.
   const LaunchOptions({
     this.mode = PreferredLaunchMode.platformDefault,
     this.webViewConfiguration = const InAppWebViewConfiguration(),
+    this.browserConfiguration = const InAppBrowserConfiguration(),
     this.webOnlyWindowName,
   });
 
@@ -66,6 +79,9 @@ class LaunchOptions {
   /// Configuration for the web view in [PreferredLaunchMode.inAppWebView] mode.
   final InAppWebViewConfiguration webViewConfiguration;
 
+  /// Configuration for the browser view in [PreferredLaunchMode.inAppBrowserView] mode.
+  final InAppBrowserConfiguration browserConfiguration;
+
   /// A web-platform-specific option to set the link target.
   ///
   /// Default behaviour when unset should be to open the url in a new tab.

packages/url_launcher/url_launcher_platform_interface/pubspec.yaml

@@ -4,7 +4,7 @@ repository: https://github.com/flutter/packages/tree/main/packages/url_launcher/
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+url_launcher%22
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 2.2.1
+version: 2.3.0
 
 environment:
   sdk: ">=3.0.0 <4.0.0"

packages/url_launcher/url_launcher_platform_interface/test/in_app_browser_configuration_test.dart

@@ -0,0 +1,16 @@
+// Copyright 2013 The Flutter 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 'package:flutter_test/flutter_test.dart';
+import 'package:url_launcher_platform_interface/url_launcher_platform_interface.dart';
+
+void main() {
+  test('InAppBrowserConfiguration defaults to showTitle false', () {
+    expect(const InAppBrowserConfiguration().showTitle, false);
+  });
+
+  test('InAppBrowserConfiguration showTitle can be set to true', () {
+    expect(const InAppBrowserConfiguration(showTitle: true).showTitle, true);
+  });
+}

packages/url_launcher/url_launcher_platform_interface/test/launch_options_test.dart

@@ -0,0 +1,28 @@
+// Copyright 2013 The Flutter 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 'package:flutter_test/flutter_test.dart';
+import 'package:url_launcher_platform_interface/url_launcher_platform_interface.dart';
+
+void main() {
+  test('LaunchOptions have default InAppBrowserConfiguration when not passed',
+      () {
+    expect(
+      const LaunchOptions().browserConfiguration,
+      const InAppBrowserConfiguration(),
+    );
+  });
+
+  test('passing non-default InAppBrowserConfiguration to LaunchOptions works',
+      () {
+    const InAppBrowserConfiguration browserConfiguration =
+        InAppBrowserConfiguration(showTitle: true);
+
+    const LaunchOptions launchOptions = LaunchOptions(
+      browserConfiguration: browserConfiguration,
+    );
+
+    expect(launchOptions.browserConfiguration, browserConfiguration);
+  });
+}