Dont load UI on embedded pages

lib/AppInfo/Application.php

@@ -26,17 +26,16 @@
 use OC\Authentication\Token\IProvider;
 use OCA\Notifications\App;
 use OCA\Notifications\Capabilities;
+use OCA\Notifications\Listener\BeforeTemplateRenderedListener;
 use OCA\Notifications\Listener\UserDeletedListener;
 use OCA\Notifications\Notifier\AdminNotifications;
 use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\AppFramework\Bootstrap\IBootstrap;
 use OCP\AppFramework\Bootstrap\IRegistrationContext;
+use OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent;
 use OCP\AppFramework\IAppContainer;
-use OCP\IRequest;
-use OCP\IUserSession;
 use OCP\Notification\IManager;
 use OCP\User\Events\UserDeletedEvent;
-use OCP\Util;
 
 class Application extends \OCP\AppFramework\App implements IBootstrap {
 	public const APP_ID = 'notifications';
@@ -52,27 +51,18 @@ public function register(IRegistrationContext $context): void {
 			return $c->getServer()->get(IProvider::class);
 		});
 
+		$context->registerNotifierService(AdminNotifications::class);
+
 		$context->registerEventListener(UserDeletedEvent::class, UserDeletedListener::class);
+		$context->registerEventListener(BeforeTemplateRenderedEvent::class, BeforeTemplateRenderedListener::class);
 	}
 
 	public function boot(IBootContext $context): void {
 		$context->injectFn(\Closure::fromCallable([$this, 'registerAppAndNotifier']));
 	}
 
-	public function registerAppAndNotifier(IManager $notificationManager, IRequest $request, IUserSession $userSession): void {
+	public function registerAppAndNotifier(IManager $notificationManager): void {
 		// notification app
 		$notificationManager->registerApp(App::class);
-
-		// admin notifications
-		$notificationManager->registerNotifierService(AdminNotifications::class);
-
-		// User interface
-		if ($userSession->getUser() !== null
-			&& strpos($request->getPathInfo(), '/s/') !== 0
-			&& strpos($request->getPathInfo(), '/login/') !== 0
-			&& substr($request->getScriptName(), 0 - \strlen('/index.php')) === '/index.php') {
-			Util::addScript('notifications', 'notifications-main');
-			Util::addStyle('notifications', 'styles');
-		}
 	}
 }

lib/Listener/BeforeTemplateRenderedListener.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2021 Joas Schilling <coding@schilljs.com>
+ *
+ * @author Joas Schilling <coding@schilljs.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Notifications\Listener;
+
+use OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent;
+use OCP\AppFramework\Http\TemplateResponse;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\Util;
+
+class BeforeTemplateRenderedListener implements IEventListener {
+	public function handle(Event $event): void {
+		if (!($event instanceof BeforeTemplateRenderedEvent)) {
+			// Unrelated
+			return;
+		}
+
+		if ($event->getResponse()->getRenderAs() !== TemplateResponse::RENDER_AS_USER) {
+			return;
+		}
+
+		Util::addScript('notifications', 'notifications-main');
+		Util::addStyle('notifications', 'styles');
+	}
+}