2 files changed, 40 insertions, 0 deletions
diff --git a/apps/files/lib/AdvancedCapabilities.php b/apps/files/lib/AdvancedCapabilities.php
new file mode 100644
index 00000000000..22f990f0cf8
--- /dev/null
+++ b/apps/files/lib/AdvancedCapabilities.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\Files;
+
+use OCA\Files\Service\SettingsService;
+use OCP\Capabilities\ICapability;
+use OCP\Capabilities\IInitialStateExcludedCapability;
+
+/**
+ * Capabilities not needed for every request.
+ * This capabilities might be hard to compute or no used by the webui.
+ */
+class AdvancedCapabilities implements ICapability, IInitialStateExcludedCapability {
+
+	public function __construct(
+		protected SettingsService $service,
+	) {
+	}
+
+	/**
+	 * Return this classes capabilities
+	 *
+	 * @return array{files: array{'windows_compatible_filenames': bool}}
+	 */
+	public function getCapabilities(): array {
+		return [
+			'files' => [
+				'windows_compatible_filenames' => $this->service->hasFilesWindowsSupport(),
+			],
+		];
+	}
+}
diff --git a/apps/files/lib/AppInfo/Application.php b/apps/files/lib/AppInfo/Application.php
index 8d00912f7bb..4b3948d43b5 100644
--- a/apps/files/lib/AppInfo/Application.php
+++ b/apps/files/lib/AppInfo/Application.php
@@ -9,6 +9,7 @@ declare(strict_types=1);
 namespace OCA\Files\AppInfo;
 
 use Closure;
+use OCA\Files\AdvancedCapabilities;
 use OCA\Files\Capabilities;
 use OCA\Files\Collaboration\Resources\Listener;
 use OCA\Files\Collaboration\Resources\ResourceProvider;
@@ -107,6 +108,7 @@ class Application extends App implements IBootstrap {
 		 * Register capabilities
 		 */
 		$context->registerCapability(Capabilities::class);
+		$context->registerCapability(AdvancedCapabilities::class);
 		$context->registerCapability(DirectEditingCapabilities::class);
 
 		$context->registerDeclarativeSettings(DeclarativeAdminSettings::class);