send notifications natively

README.md

@@ -190,6 +190,12 @@ dart scripts/generate.dart
 > export CPATH="$(clang -v 2>&1 | grep "Selected GCC installation" | rev | cut -d' ' -f1 | rev)/include"
 > ```
 
+Build webcrypto:
+
+```sh
+flutter pub run webcrypto:setup
+```
+
 Build generated files, and watch for new changes:
 
 ```sh

android/app/build.gradle.kts

@@ -20,16 +20,21 @@ android {
     ndkVersion = flutter.ndkVersion
 
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_21
+		isCoreLibraryDesugaringEnabled = true
+		sourceCompatibility = JavaVersion.VERSION_21
         targetCompatibility = JavaVersion.VERSION_21
     }
 
     defaultConfig {
         applicationId = "nexus.federated.nexus"
-        minSdk = 29
+
+		minSdk = 29
         targetSdk = flutter.targetSdkVersion
+
         versionCode = flutter.versionCode
         versionName = flutter.versionName
+
+		multiDexEnabled = true
     }
 
     signingConfigs {
@@ -65,6 +70,7 @@ android {
 
 dependencies {
     implementation("org.unifiedpush.android:embedded-fcm-distributor:3.1.0")
+    coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.1.4")
 }
 
 kotlin {

ios/Runner/AppDelegate.swift

@@ -7,7 +7,8 @@ import UIKit
     _ application: UIApplication,
     didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
   ) -> Bool {
-    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
+    UNUserNotificationCenter.current().delegate = self as? UNUserNotificationCenterDelegate
+	return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
 
   func didInitializeImplicitFlutterEngine(_ engineBridge: FlutterImplicitEngineBridge) {

lib/controllers/notifications.dart

@@ -0,0 +1,97 @@
+import "dart:io";
+
+import "package:flutter_local_notifications/flutter_local_notifications.dart";
+import "package:flutter_riverpod/flutter_riverpod.dart";
+
+class NotificationsController
+    extends AsyncNotifier<FlutterLocalNotificationsPlugin> {
+  @override
+  Future<FlutterLocalNotificationsPlugin> build() async {
+    final notifications = FlutterLocalNotificationsPlugin();
+
+    final darwin = DarwinInitializationSettings();
+
+    await notifications.initialize(
+      settings: .new(
+        windows: .new(
+          appName: "Nexus",
+          appUserModelId: "nexus.federated.nexus",
+          guid: "dde78daf-130f-4e46-a80a-e31deeab45d7",
+        ),
+        android: .new("ic_launcher"),
+        iOS: darwin,
+        macOS: darwin,
+        linux: .new(defaultActionName: "Open"),
+      ),
+      onDidReceiveNotificationResponse: (details) {
+        print(details.data);
+      },
+    );
+
+    return notifications;
+  }
+
+  Future<bool> requestPermissions() async {
+    final controller = await future;
+
+    if (Platform.isIOS) {
+      return await controller
+              .resolvePlatformSpecificImplementation<
+                IOSFlutterLocalNotificationsPlugin
+              >()
+              ?.requestPermissions(alert: true, badge: true, sound: true) ??
+          true;
+    } else if (Platform.isMacOS) {
+      return await controller
+              .resolvePlatformSpecificImplementation<
+                MacOSFlutterLocalNotificationsPlugin
+              >()
+              ?.requestPermissions(alert: true, badge: true, sound: true) ??
+          true;
+    } else if (Platform.isAndroid) {
+      return await controller
+              .resolvePlatformSpecificImplementation<
+                AndroidFlutterLocalNotificationsPlugin
+              >()
+              ?.requestNotificationsPermission() ??
+          true;
+    }
+
+    return true;
+  }
+
+  Future<void> send({
+    required int id,
+    required String title,
+    String? body,
+    File? icon,
+    String? payload,
+  }) async {
+    final notificationDetails = NotificationDetails(
+      android: .new(
+        "messages",
+        "Messages",
+        largeIcon: icon == null ? null : FilePathAndroidBitmap(icon.path),
+      ),
+      iOS: .new(),
+      macOS: .new(),
+      linux: .new(icon: icon == null ? null : FilePathLinuxIcon(icon.path)),
+      windows: .new(),
+    );
+
+    final controller = await future;
+    await controller.show(
+      id: id,
+      title: title,
+      body: body,
+      notificationDetails: notificationDetails,
+      payload: payload,
+    );
+  }
+
+  static final provider =
+      AsyncNotifierProvider<
+        NotificationsController,
+        FlutterLocalNotificationsPlugin
+      >(NotificationsController.new);
+}

lib/controllers/settings_sections.dart

@@ -8,6 +8,7 @@ import "package:m3e_buttons/m3e_buttons.dart";
 import "package:nexus/controllers/account_data.dart";
 import "package:nexus/controllers/client.dart";
 import "package:nexus/controllers/client_state.dart";
+import "package:nexus/controllers/notifications.dart";
 import "package:nexus/controllers/settings.dart";
 import "package:nexus/controllers/unified_push.dart";
 import "package:nexus/controllers/spec_versions.dart";
@@ -132,17 +133,30 @@ class SettingsSectionsController
                             orElse: () => false,
                           )
                           ? pusherRegistered.maybeWhen(
-                              data: (_) =>
+                              data: (_) => (value) async {
-                                  (value) => value
+                                if (value) {
-                                  ? ref
+                                  if (await ref
+                                      .watch(
+                                        NotificationsController
+                                            .provider
+                                            .notifier,
+                                      )
+                                      .requestPermissions()) {
+                                    ref
                                         .watch(
                                           UnifiedPushController
                                               .provider
                                               .notifier,
                                         )
                                         .register()
-                                        .onError(showError)
+                                        .onError(showError);
-                                  : /*deregeister*/ null,
+                                  } else {
+                                    // TODO: Handle not granted
+                                  }
+                                } else {
+                                  // TODO: Deregister
+                                }
+                              },
                               orElse: () => null,
                             )
                           : null,

lib/controllers/unified_push.dart

@@ -3,9 +3,12 @@ import "dart:io";
 
 import "package:flutter_riverpod/flutter_riverpod.dart";
 import "package:intl/intl.dart";
+import "package:nexus/controllers/notifications.dart";
+import "package:nexus/controllers/rooms.dart";
 import "package:nexus/main.dart";
 import "package:nexus/controllers/client.dart";
 import "package:nexus/controllers/client_state.dart";
+import "package:nexus/models/content/message.dart";
 import "package:nexus/models/requests/register_pusher.dart";
 import "package:unifiedpush/unifiedpush.dart";
 import "package:unifiedpush_storage_shared_preferences/storage.dart";
@@ -38,10 +41,29 @@ class UnifiedPushController extends AsyncNotifier<bool> {
         );
       },
       onMessage: (message, instance) async {
+        if (message.decrypted == false) {
+          // TODO: Handle more gracefully, show option to re-register pusher
+          throw Exception("Failed to decrypt notification");
+        }
         final event = await client.handlePush(
           json.decode(String.fromCharCodes(message.content)),
         );
-        print(event);
+
+        final room = ref.read(
+          RoomsController.provider.select((rooms) => rooms[event.roomId]),
+        );
+
+        await ref
+            .read(NotificationsController.provider.notifier)
+            .send(
+              id: event.eventId.hashCode & 0x7fffffff,
+              title: room?.metadata?.name ?? "New Message",
+              body: switch (event.content) {
+                MessageContent(:final body) => body,
+                // TODO: Handle more types
+                _ => null,
+              },
+            );
       },
       onRegistrationFailed: (error, instance) => throw error,
       onUnregistered: (instance) => ref.invalidateSelf(),

lib/main.dart

@@ -8,6 +8,7 @@ import "package:media_kit/media_kit.dart";
 import "package:nexus/controllers/client.dart";
 import "package:nexus/controllers/client_state.dart";
 import "package:nexus/controllers/multi_provider.dart";
+import "package:nexus/controllers/notifications.dart";
 import "package:nexus/controllers/settings.dart";
 import "package:nexus/controllers/shared_prefs.dart";
 import "package:nexus/controllers/unified_push.dart";
@@ -146,6 +147,7 @@ class const App(final bool isInBackground, {super.key})
                   IListConst([
                     SharedPrefsController.provider,
                     ClientController.provider,
+                    NotificationsController.provider,
                     UnifiedPushController.provider,
                   ]),
                 ),

linux/flutter/generated_plugin_registrant.cc

@@ -13,6 +13,7 @@
 #include <media_kit_video/media_kit_video_plugin.h>
 #include <screen_retriever_linux/screen_retriever_linux_plugin.h>
 #include <url_launcher_linux/url_launcher_plugin.h>
+#include <webcrypto/webcrypto_plugin.h>
 #include <window_manager/window_manager_plugin.h>
 
 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);

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
 )
 

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -8,6 +8,7 @@ import Foundation
 import app_links
 import dynamic_color
 import file_selector_macos
+import flutter_local_notifications
 import media_kit_libs_macos_video
 import media_kit_video
 import package_info_plus
@@ -15,12 +16,14 @@ import screen_retriever_macos
 import shared_preferences_foundation
 import url_launcher_macos
 import wakelock_plus
+import webcrypto
 import window_manager
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   AppLinksMacosPlugin.register(with: registry.registrar(forPlugin: "AppLinksMacosPlugin"))
   DynamicColorPlugin.register(with: registry.registrar(forPlugin: "DynamicColorPlugin"))
   FileSelectorPlugin.register(with: registry.registrar(forPlugin: "FileSelectorPlugin"))
+  FlutterLocalNotificationsPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalNotificationsPlugin"))
   MediaKitLibsMacosVideoPlugin.register(with: registry.registrar(forPlugin: "MediaKitLibsMacosVideoPlugin"))
   MediaKitVideoPlugin.register(with: registry.registrar(forPlugin: "MediaKitVideoPlugin"))
   FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
@@ -28,5 +31,6 @@ 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"))
 }

pubspec.lock

@@ -169,14 +169,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.1.2"
-  change_case:
-    dependency: transitive
-    description:
-      name: change_case
-      sha256: e41ef3df58521194ef8d7649928954805aeb08061917cf658322305e61568003
-      url: "https://pub.dev"
-    source: hosted
-    version: "2.2.0"
   characters:
     dependency: transitive
     description:
@@ -519,6 +511,46 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "6.0.0"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      sha256: "1447ba911c60f2ba3f25dae1af151ec187162566b0f57e37771bf0b400f013ad"
+      url: "https://pub.dev"
+    source: hosted
+    version: "22.3.0"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      sha256: "9ca97e63776f29ab1b955725c09999fc2c150523269db150c39274f2a43c5a8b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.0.1"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      sha256: "43c3761d916c9bd3d5c7ebbc44d82f4990329840c0c5d62ad5260cc1b5d399bd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "12.2.0"
+  flutter_local_notifications_web:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_web
+      sha256: "516afaf97a2d1e67a036c6617321b00d205d72f7a67b6eccf936cd565f985878"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  flutter_local_notifications_windows:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_windows
+      sha256: "6f43bdd03b171b7a90f22647506fea33e2bb12294b7c7c7a3d690e960a382945"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
   flutter_localizations:
     dependency: "direct main"
     description: flutter
@@ -1007,14 +1039,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.19.3"
-  native_toolchain_cmake:
-    dependency: transitive
-    description:
-      name: native_toolchain_cmake
-      sha256: de90e8952bad0684bdcff4d674c53d961f5cd1fdcf3a0255a669a35986c4ac1d
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.2.7"
   navigation_rail_m3e:
     dependency: "direct main"
     description:
@@ -1517,6 +1541,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.7.1"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      sha256: "981d1020d6ef8fe1e7b3de5054e5b25579ae7c403d7734adc508ffc47668e9cb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.11.1"
   typed_data:
     dependency: transitive
     description:
@@ -1750,13 +1782,13 @@ packages:
     source: hosted
     version: "3.0.3"
   webcrypto:
-    dependency: "direct overridden"
+    dependency: "direct dev"
     description:
       name: webcrypto
-      sha256: "9885ed99a846191542dd6ca820c83a098117df56be57453832233a3fef68f3f2"
+      sha256: "6b43001c4110856ff7fa5e5e65e7b2d44bec1d8b54a4d84d5fa2c7622267c5c1"
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.1"
+    version: "0.6.0"
   webkit_inspection_protocol:
     dependency: transitive
     description:

pubspec.yaml

@@ -19,8 +19,6 @@ environment:
     sdk: 3.13.0
 
 dependency_overrides:
-    webcrypto: 0.6.1
-    hooks: 2.2.0
     dynamic_color: 2.1.0
     path_provider_android: 2.2.23 # Pinned to avoid JNI
     linkify:
@@ -83,6 +81,7 @@ dependencies:
     material_ui: 1.1.0
     unifiedpush: 6.2.0
     unifiedpush_storage_shared_preferences: 1.0.0
+    flutter_local_notifications: ^22.3.0
 
 dev_dependencies:
     build_runner: 2.16.0
@@ -91,6 +90,8 @@ dev_dependencies:
     riverpod_lint: 3.1.8
     flutter_launcher_icons: 0.14.4
     json_serializable: 6.14.1
+    # Transitive dep but needed for commands
+    webcrypto: any
 
 flutter_launcher_icons:
     image_path: assets/icon.png

windows/flutter/generated_plugin_registrant.cc

@@ -13,6 +13,7 @@
 #include <media_kit_video/media_kit_video_plugin_c_api.h>
 #include <screen_retriever_windows/screen_retriever_windows_plugin_c_api.h>
 #include <url_launcher_windows/url_launcher_windows.h>
+#include <webcrypto/webcrypto_plugin.h>
 #include <window_manager/window_manager_plugin.h>
 
 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"));
 }

windows/flutter/generated_plugins.cmake

@@ -10,10 +10,12 @@ list(APPEND FLUTTER_PLUGIN_LIST
   media_kit_video
   screen_retriever_windows
   url_launcher_windows
+  webcrypto
   window_manager
 )
 
 list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  flutter_local_notifications_windows
 )
 
 set(PLUGIN_BUNDLED_LIBRARIES)