From fe871217b2ebed97b694431e2a8277e996237cf6 Mon Sep 17 00:00:00 2001 From: Henry-Hiles Date: Sun, 23 Aug 2026 13:55:07 -0400 Subject: [PATCH] support for registering pushers --- .vscode/settings.json | 4 +- android/app/build.gradle.kts | 4 + gomuks | 2 +- lib/controllers/client.dart | 10 ++ lib/controllers/settings_sections.dart | 43 +++++++ lib/controllers/unified_push.dart | 106 ++++++++++++++++++ lib/main.dart | 34 +++--- lib/models/capabilities.dart | 25 +++++ lib/models/client_state.dart | 1 + lib/models/join_rule.dart | 2 +- lib/models/membership_action.dart | 3 - lib/models/membership_status.dart | 3 - lib/models/requests/register_pusher.dart | 56 +++++++++ linux/flutter/generated_plugin_registrant.cc | 4 + linux/flutter/generated_plugins.cmake | 1 + linux/runner/my_application.cc | 2 + macos/Flutter/GeneratedPluginRegistrant.swift | 2 + pubspec.lock | 64 +++++++++++ pubspec.yaml | 2 + .../flutter/generated_plugin_registrant.cc | 3 + windows/flutter/generated_plugins.cmake | 1 + 21 files changed, 350 insertions(+), 22 deletions(-) create mode 100644 lib/controllers/unified_push.dart create mode 100644 lib/models/capabilities.dart create mode 100644 lib/models/requests/register_pusher.dart diff --git a/.vscode/settings.json b/.vscode/settings.json index 2ff533e..fac2ed8 100644 --- a/.vscode/settings.json +++ b/.vscode/settings.json @@ -11,6 +11,8 @@ "muks", "prefs", "unban", - "unredact" + "unifiedpush", + "unredact", + "webpush" ] } diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts index 8a23bb6..9f9a087 100644 --- a/android/app/build.gradle.kts +++ b/android/app/build.gradle.kts @@ -63,6 +63,10 @@ android { } } +dependencies { + implementation("org.unifiedpush.android:embedded-fcm-distributor:3.1.0") +} + kotlin { compilerOptions { jvmTarget = org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_21 diff --git a/gomuks b/gomuks index 9444dd2..6c8b278 160000 --- a/gomuks +++ b/gomuks @@ -1 +1 @@ -Subproject commit 9444dd293664c300c6e710bb6cddcd9c6cab365d +Subproject commit 6c8b2781e02f27b64f37735cba6634784f117b88 diff --git a/lib/controllers/client.dart b/lib/controllers/client.dart index b7d1eb4..782e4a7 100644 --- a/lib/controllers/client.dart +++ b/lib/controllers/client.dart @@ -2,6 +2,7 @@ import "dart:ffi"; import "dart:io"; import "dart:isolate"; import "dart:math"; + import "package:fast_immutable_collections/fast_immutable_collections.dart"; import "package:ffi/ffi.dart"; import "package:flutter/foundation.dart"; @@ -14,6 +15,7 @@ import "package:nexus/controllers/sync_status.dart"; import "package:nexus/controllers/top_level_spaces.dart"; import "package:nexus/helpers/extensions/gomuks_buffer.dart"; import "package:nexus/main.dart"; +import "package:nexus/models/capabilities.dart"; import "package:nexus/models/content/message.dart"; import "package:nexus/models/event.dart"; import "package:nexus/models/oauth_auth_code_response.dart"; @@ -30,6 +32,7 @@ import "package:nexus/models/requests/oauth/get_auth_url.dart"; import "package:nexus/models/requests/oauth/register_client.dart"; import "package:nexus/models/requests/paginate.dart"; import "package:nexus/models/requests/redact_event.dart"; +import "package:nexus/models/requests/register_pusher.dart"; import "package:nexus/models/requests/report.dart"; import "package:nexus/models/requests/send_event.dart"; import "package:nexus/models/requests/send_message.dart"; @@ -273,6 +276,9 @@ class ClientController extends AsyncNotifier { Future setAccountData(SetAccountDataRequest request) => _sendCommand("set_account_data", request.toJson()); + Future registerPusher(RegisterPusherRequest request) => + _sendCommand("register_homeserver_push", request.toJson()); + Future uploadMedia(UploadMediaRequest request) async => .fromJson(await _sendCommand("upload_media", request.toJson())); @@ -310,6 +316,10 @@ class ClientController extends AsyncNotifier { Future getSpecVersions() async => .fromJson(await _sendCommand("get_versions")); + Future getCapabilities() async => Capabilities.fromJson( + (await _sendCommand("get_capabilities"))["capabilities"], + ); + Future discoverHomeserver(Uri homeserver) async { try { final response = await _sendCommand("discover_homeserver", { diff --git a/lib/controllers/settings_sections.dart b/lib/controllers/settings_sections.dart index 042b42b..fea0d26 100644 --- a/lib/controllers/settings_sections.dart +++ b/lib/controllers/settings_sections.dart @@ -9,6 +9,7 @@ import "package:nexus/controllers/account_data.dart"; import "package:nexus/controllers/client.dart"; import "package:nexus/controllers/client_state.dart"; import "package:nexus/controllers/settings.dart"; +import "package:nexus/controllers/unified_push.dart"; import "package:nexus/controllers/spec_versions.dart"; import "package:nexus/models/account_data.dart"; import "package:nexus/models/settings_category.dart"; @@ -95,6 +96,46 @@ class SettingsSectionsController if (ref.watch(ClientStateController.provider)?.isLoggedIn == true) "Account": .new([ .new(title: "Profile", icon: Icons.person, settings: .new([])), + .new( + title: "Notifications", + icon: Icons.notifications, + settings: .new([ + // TODO: Disable if not supported + .new( + title: "Push notifications", + description: "Enable push notifications using Web Push", + builder: (title, description, icon) => Consumer( + builder: (context, ref, _) { + final pusherRegistered = ref.watch( + UnifiedPushController.provider, + ); + return SwitchListTile( + title: Text(title), + subtitle: Text(description), + secondary: Icon(icon), + value: pusherRegistered.maybeWhen( + data: (value) => value, + orElse: () => false, + ), + onChanged: pusherRegistered.maybeWhen( + data: (_) => + (value) => value + ? ref + .watch( + UnifiedPushController.provider.notifier, + ) + .register() + .onError(showError) + : /*deregeister*/ null, + orElse: () => null, + ), + ); + }, + ), + icon: Icons.notification_add, + ), + ]), + ), .new( title: "Safety", icon: Icons.gpp_good, @@ -166,6 +207,8 @@ class SettingsSectionsController onPressed: () async { Navigator.of(context) .popUntil((route) => route.isFirst); + Navigator.of(context) + .popUntil((route) => route.isFirst); await WidgetsBinding.instance.endOfFrame; diff --git a/lib/controllers/unified_push.dart b/lib/controllers/unified_push.dart new file mode 100644 index 0000000..c7a6cde --- /dev/null +++ b/lib/controllers/unified_push.dart @@ -0,0 +1,106 @@ +import "dart:io"; + +import "package:flutter_riverpod/flutter_riverpod.dart"; +import "package:intl/intl.dart"; +import "package:nexus/main.dart"; +import "package:nexus/controllers/client.dart"; +import "package:nexus/controllers/client_state.dart"; +import "package:nexus/models/requests/register_pusher.dart"; +import "package:unifiedpush/unifiedpush.dart"; +import "package:unifiedpush_storage_shared_preferences/storage.dart"; + +class UnifiedPushController extends AsyncNotifier { + @override + Future build() async { + final registered = await UnifiedPush.initialize( + linuxOptions: .new( + dbusName: "nexus.federated.nexus", + storage: UnifiedPushStorageSharedPreferences(), + background: isInBackground, + ), + onNewEndpoint: (endpoint, instance) async { + final client = ref.watch(ClientController.provider.notifier); + await client.registerPusher( + .new( + appDisplayName: "Nexus", + appId: "nexus.federated.nexus", + data: PusherData.webPush( + url: Uri.parse(endpoint.url), + auth: endpoint.pubKeySet!.auth, + ), + deviceDisplayName: + "Nexus on ${toBeginningOfSentenceCase(Platform.operatingSystem)}", + kind: .webPush, + lang: "en", + pushKey: endpoint.pubKeySet!.pubKey, + ), + + // Pusher( + // appDisplayName: , + // data: { + // "url": endpoint.url, + // "auth": endpoint.pubKeySet.auth, + // "format": "event_id_only", + // }, + // deviceDisplayName: "Nexus", + // kind: "org.matrix.msc4174.webpush", + // lang: WidgetsBinding.instance.platformDispatcher.locale + // .toLanguageTag(), + // pushkey: endpoint.pubKeySet.publicKey, + // ), + ); + }, + onMessage: (message, instance) async { + print(message); + // TODO: Handle incoming message + }, + onRegistrationFailed: (e, r) { + throw "e"; + }, + onUnregistered: (_) { + throw "r"; + }, + onTempUnavailable: (_) { + throw "t"; + }, + ); + + if (registered) { + // Needs to be registered every startup + await register(true); + } + + return registered; + } + + Future register([bool early = false]) async { + final clientState = ref.watch(ClientStateController.provider); + if (clientState?.deviceId == null) ref.invalidateSelf(); + + final alreadyRegistered = early ? true : await future; + final client = ref.watch(ClientController.provider.notifier); + final capabilities = await client.getCapabilities(); + + if (capabilities.webpush?.vapid == null) { + throw UnsupportedError( + "Your homeserver does not support MSC4174 (Web Push), and therefore cannot send notifications to Nexus.", + ); + } + + if (!alreadyRegistered && + !await UnifiedPush.tryUseCurrentOrDefaultDistributor()) { + throw Exception("No UnifiedPush distributors found"); + } + + await UnifiedPush.register( + instance: clientState!.deviceId!, + vapid: capabilities.webpush?.vapid, + ); + + if (!alreadyRegistered) ref.invalidateSelf(); + } + + static final provider = AsyncNotifierProvider( + UnifiedPushController.new, + ); +} diff --git a/lib/main.dart b/lib/main.dart index a87d7f5..7b2aa63 100644 --- a/lib/main.dart +++ b/lib/main.dart @@ -10,6 +10,7 @@ import "package:nexus/controllers/client_state.dart"; import "package:nexus/controllers/multi_provider.dart"; import "package:nexus/controllers/settings.dart"; import "package:nexus/controllers/shared_prefs.dart"; +import "package:nexus/controllers/unified_push.dart"; import "package:nexus/helpers/extensions/better_when.dart"; import "package:nexus/helpers/extensions/scheme_to_theme.dart"; import "package:nexus/helpers/font_licenses.dart"; @@ -22,6 +23,7 @@ import "package:window_manager/window_manager.dart"; import "package:material_ui/material_ui.dart"; final GlobalKey navigatorKey = GlobalKey(); +late final bool isInBackground; final class Logger extends ProviderObserver { @override @@ -62,7 +64,7 @@ void showError(Object error, [StackTrace? stackTrace]) { } } -void main() async { +void main(List args) async { WidgetsFlutterBinding.ensureInitialized(); MediaKit.ensureInitialized(); @@ -77,25 +79,30 @@ void main() async { await windowManager.setMinimumSize(Size.square(500)); } + isInBackground = args.contains("--unifiedpush-bg"); + LicenseRegistry.addLicense(() => Stream.fromIterable(fontLicenses)); FlutterError.onError = (FlutterErrorDetails details) => showError(details.exception.toString(), details.stack); - runApp( - ProviderScope( - retry: (_, _) => null, - observers: [ - // Change false to true if you want debug information on provider reloads - // ignore: dead_code - if (false && kDebugMode) Logger(), - ], - child: const App(), - ), - ); + if (!isInBackground) { + runApp( + ProviderScope( + retry: (_, _) => null, + observers: [ + // Change false to true if you want debug information on provider reloads + // ignore: dead_code + if (false && kDebugMode) Logger(), + ], + child: App(isInBackground), + ), + ); + } } -class const App({super.key}) extends StatelessWidget { +class const App(final bool isInBackground, {super.key}) + extends StatelessWidget { @override Widget build(BuildContext context) => DynamicColorBuilder( builder: (lightDynamic, darkDynamic) => Consumer( @@ -138,6 +145,7 @@ class const App({super.key}) extends StatelessWidget { IListConst([ SharedPrefsController.provider, ClientController.provider, + UnifiedPushController.provider, ]), ), ) diff --git a/lib/models/capabilities.dart b/lib/models/capabilities.dart new file mode 100644 index 0000000..6830170 --- /dev/null +++ b/lib/models/capabilities.dart @@ -0,0 +1,25 @@ +import "package:freezed_annotation/freezed_annotation.dart"; + +part "capabilities.freezed.dart"; +part "capabilities.g.dart"; + +@Freezed(toJson: false, fromJson: false) +@JsonSerializable() +class const Capabilities({ + @JsonKey(name: "org.matrix.msc4174.webpush") final WebPush? webpush, +}) with _$Capabilities { + Map toJson() => _$CapabilitiesToJson(this); + + factory Capabilities.fromJson(Map json) => + _$CapabilitiesFromJson(json); +} + +@Freezed(toJson: false, fromJson: false) +@JsonSerializable() +class const WebPush({required final bool enabled, final String? vapid}) + with _$WebPush { + Map toJson() => _$WebPushToJson(this); + + factory WebPush.fromJson(Map json) => + _$WebPushFromJson(json); +} diff --git a/lib/models/client_state.dart b/lib/models/client_state.dart index ff433ab..262203d 100644 --- a/lib/models/client_state.dart +++ b/lib/models/client_state.dart @@ -10,6 +10,7 @@ class const ClientState({ required final bool isLoggedIn, required final bool isVerified, required final String? userId, + required final String? deviceId, required final String? homeserverUrl, }) with _$ClientState { Map toJson() => _$ClientStateToJson(this); diff --git a/lib/models/join_rule.dart b/lib/models/join_rule.dart index 3fade23..44fb9bb 100644 --- a/lib/models/join_rule.dart +++ b/lib/models/join_rule.dart @@ -1,4 +1,4 @@ import "package:freezed_annotation/freezed_annotation.dart"; -@JsonEnum(fieldRename: FieldRename.snake) +@JsonEnum(fieldRename: .snake) enum JoinRule { public, knock, invite, private, restricted, knockRestricted } diff --git a/lib/models/membership_action.dart b/lib/models/membership_action.dart index d852164..f03ca99 100644 --- a/lib/models/membership_action.dart +++ b/lib/models/membership_action.dart @@ -1,4 +1 @@ -import "package:freezed_annotation/freezed_annotation.dart"; - -@JsonEnum() enum MembershipAction { ban, kick, unban, invite } diff --git a/lib/models/membership_status.dart b/lib/models/membership_status.dart index ba7a241..7eb5f72 100644 --- a/lib/models/membership_status.dart +++ b/lib/models/membership_status.dart @@ -1,4 +1 @@ -import "package:freezed_annotation/freezed_annotation.dart"; - -@JsonEnum() enum MembershipStatus { leave, invite, ban, join, knock } diff --git a/lib/models/requests/register_pusher.dart b/lib/models/requests/register_pusher.dart new file mode 100644 index 0000000..dd34e62 --- /dev/null +++ b/lib/models/requests/register_pusher.dart @@ -0,0 +1,56 @@ +import "package:freezed_annotation/freezed_annotation.dart"; + +part "register_pusher.freezed.dart"; +part "register_pusher.g.dart"; + +@Freezed(toJson: false, fromJson: false) +@JsonSerializable() +class const RegisterPusherRequest({ + required final String appDisplayName, + required final String appId, + final bool append = false, + required final PusherData data, + required final String deviceDisplayName, + required final PusherKind kind, + required final String lang, + + /// TODO: What does this do? + final String? profileTag, + + @JsonKey(name: "pushkey") required final String pushKey, +}) with _$RegisterPusherRequest { + Map toJson() => _$RegisterPusherRequestToJson(this); +} + +@freezed +sealed class PusherData with _$PusherData { + const factory PusherData.http({ + required Uri url, + @Default(PushFormat.eventIdOnly) PushFormat format, + }) = HttpPusherData; + + const factory PusherData.webPush({ + required Uri url, + @Default(PushFormat.eventIdOnly) PushFormat format, + + /// `data.auth`: RFC8291 authentication secret. + required String auth, + }) = WebPushPusherData; + + factory PusherData.fromJson(Map json) => + _$PusherDataFromJson(json); +} + +@JsonEnum(fieldRename: .snake) +enum PushFormat { + @JsonValue(null) + all, + eventIdOnly, +} + +enum PusherKind { + http, + email, + @JsonValue("org.matrix.msc4174.webpush") + webPush, +} diff --git a/linux/flutter/generated_plugin_registrant.cc b/linux/flutter/generated_plugin_registrant.cc index 603ea6a..70d9ba2 100644 --- a/linux/flutter/generated_plugin_registrant.cc +++ b/linux/flutter/generated_plugin_registrant.cc @@ -13,6 +13,7 @@ #include #include #include +#include #include void fl_register_plugins(FlPluginRegistry* registry) { @@ -37,6 +38,9 @@ void fl_register_plugins(FlPluginRegistry* registry) { 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); + g_autoptr(FlPluginRegistrar) webcrypto_registrar = + fl_plugin_registry_get_registrar_for_plugin(registry, "WebcryptoPlugin"); + webcrypto_plugin_register_with_registrar(webcrypto_registrar); g_autoptr(FlPluginRegistrar) window_manager_registrar = fl_plugin_registry_get_registrar_for_plugin(registry, "WindowManagerPlugin"); window_manager_plugin_register_with_registrar(window_manager_registrar); diff --git a/linux/flutter/generated_plugins.cmake b/linux/flutter/generated_plugins.cmake index 7d8f046..1d53ad7 100644 --- a/linux/flutter/generated_plugins.cmake +++ b/linux/flutter/generated_plugins.cmake @@ -10,6 +10,7 @@ list(APPEND FLUTTER_PLUGIN_LIST media_kit_video screen_retriever_linux url_launcher_linux + webcrypto window_manager ) diff --git a/linux/runner/my_application.cc b/linux/runner/my_application.cc index 62e5450..739e6df 100644 --- a/linux/runner/my_application.cc +++ b/linux/runner/my_application.cc @@ -1,5 +1,6 @@ #include "my_application.h" +#include #include #ifdef GDK_WINDOWING_X11 #include @@ -72,6 +73,7 @@ static void my_application_activate(GApplication* application) { gdk_rgba_parse(&background_color, "#000000"); fl_view_set_background_color(view, &background_color); gtk_widget_show(GTK_WIDGET(view)); + if (std::getenv("FLUTTER_HEADLESS")) gtk_widget_hide(GTK_WIDGET(window)); gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view)); // Show the window when Flutter renders. diff --git a/macos/Flutter/GeneratedPluginRegistrant.swift b/macos/Flutter/GeneratedPluginRegistrant.swift index f18d831..5d90835 100644 --- a/macos/Flutter/GeneratedPluginRegistrant.swift +++ b/macos/Flutter/GeneratedPluginRegistrant.swift @@ -15,6 +15,7 @@ import screen_retriever_macos import shared_preferences_foundation import url_launcher_macos import wakelock_plus +import webcrypto import window_manager func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { @@ -28,5 +29,6 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) { SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin")) UrlLauncherPlugin.register(with: registry.registrar(forPlugin: "UrlLauncherPlugin")) WakelockPlusMacosPlugin.register(with: registry.registrar(forPlugin: "WakelockPlusMacosPlugin")) + WebcryptoPlugin.register(with: registry.registrar(forPlugin: "WebcryptoPlugin")) WindowManagerPlugin.register(with: registry.registrar(forPlugin: "WindowManagerPlugin")) } diff --git a/pubspec.lock b/pubspec.lock index d45c4d4..1625e8a 100644 --- a/pubspec.lock +++ b/pubspec.lock @@ -1509,6 +1509,54 @@ packages: url: "https://pub.dev" source: hosted version: "1.4.0" + unifiedpush: + dependency: "direct main" + description: + name: unifiedpush + sha256: "8ed9767f750a1dc6159a77e2171641d0cb825dc87682d1ce1b8618689b79f58e" + url: "https://pub.dev" + source: hosted + version: "6.2.0" + unifiedpush_android: + dependency: transitive + description: + name: unifiedpush_android + sha256: "2e6684e0a1a39ad8d6c7bc0d197954d50686acb1b1a7614b18ab0e0126f5492a" + url: "https://pub.dev" + source: hosted + version: "3.4.1" + unifiedpush_linux: + dependency: transitive + description: + name: unifiedpush_linux + sha256: c062d5eedd1cec70bcd33270cc4e01ae0ff6501f33d471167c06b34a968adfeb + url: "https://pub.dev" + source: hosted + version: "1.0.0" + unifiedpush_platform_interface: + dependency: transitive + description: + name: unifiedpush_platform_interface + sha256: "83372bc8d794b8b12ef6993b518d7be907dcfc2191bdf6de0ece5c4445d89880" + url: "https://pub.dev" + source: hosted + version: "4.0.0" + unifiedpush_storage_interface: + dependency: transitive + description: + name: unifiedpush_storage_interface + sha256: b8d423a4695efc616aa21d8ab48fb5ef99d6288c68b56282b8faac1579ceabd9 + url: "https://pub.dev" + source: hosted + version: "1.0.0" + unifiedpush_storage_shared_preferences: + dependency: "direct main" + description: + name: unifiedpush_storage_shared_preferences + sha256: eda9c52bac0058f81e0d9c65e33eedc12c5901d2e68ad47fdf68175ddf00a3b4 + url: "https://pub.dev" + source: hosted + version: "1.0.0" universal_platform: dependency: transitive description: @@ -1685,6 +1733,14 @@ packages: url: "https://pub.dev" source: hosted version: "3.0.3" + webcrypto: + dependency: transitive + description: + name: webcrypto + sha256: "6b43001c4110856ff7fa5e5e65e7b2d44bec1d8b54a4d84d5fa2c7622267c5c1" + url: "https://pub.dev" + source: hosted + version: "0.6.0" webkit_inspection_protocol: dependency: transitive description: @@ -1693,6 +1749,14 @@ packages: url: "https://pub.dev" source: hosted version: "1.2.1" + webpush_encryption: + dependency: transitive + description: + name: webpush_encryption + sha256: "5b83272b91acda6ae515fcd980c94f06bf413702282497c5a68f5dfc64fed27f" + url: "https://pub.dev" + source: hosted + version: "1.0.1" win32: dependency: transitive description: diff --git a/pubspec.yaml b/pubspec.yaml index a9b2e01..520cb91 100644 --- a/pubspec.yaml +++ b/pubspec.yaml @@ -79,6 +79,8 @@ dependencies: app_links: 7.2.1 file_selector: 1.1.0 material_ui: 1.0.1 + unifiedpush: ^6.2.0 + unifiedpush_storage_shared_preferences: ^1.0.0 dev_dependencies: build_runner: 2.16.0 diff --git a/windows/flutter/generated_plugin_registrant.cc b/windows/flutter/generated_plugin_registrant.cc index 0694802..5d2b53e 100644 --- a/windows/flutter/generated_plugin_registrant.cc +++ b/windows/flutter/generated_plugin_registrant.cc @@ -13,6 +13,7 @@ #include #include #include +#include #include void RegisterPlugins(flutter::PluginRegistry* registry) { @@ -30,6 +31,8 @@ void RegisterPlugins(flutter::PluginRegistry* registry) { registry->GetRegistrarForPlugin("ScreenRetrieverWindowsPluginCApi")); UrlLauncherWindowsRegisterWithRegistrar( registry->GetRegistrarForPlugin("UrlLauncherWindows")); + WebcryptoPluginRegisterWithRegistrar( + registry->GetRegistrarForPlugin("WebcryptoPlugin")); WindowManagerPluginRegisterWithRegistrar( registry->GetRegistrarForPlugin("WindowManagerPlugin")); } diff --git a/windows/flutter/generated_plugins.cmake b/windows/flutter/generated_plugins.cmake index 238ef93..51af01c 100644 --- a/windows/flutter/generated_plugins.cmake +++ b/windows/flutter/generated_plugins.cmake @@ -10,6 +10,7 @@ list(APPEND FLUTTER_PLUGIN_LIST media_kit_video screen_retriever_windows url_launcher_windows + webcrypto window_manager )