Add a global setting to disable keyboard shortcuts

Signed-off-by: Joas Schilling <coding@schilljs.com>

3 files changed, 74 insertions, 0 deletions

diff --git a/apps/theming/lib/AppInfo/Application.php b/apps/theming/lib/AppInfo/Application.php
index 0f567b4d0e4..48bf42252c7 100644
--- a/apps/theming/lib/AppInfo/Application.php
+++ b/apps/theming/lib/AppInfo/Application.php
@@ -25,12 +25,15 @@
 namespace OCA\Theming\AppInfo;
 
 use OCA\Theming\Capabilities;
+use OCA\Theming\Listener\BeforePreferenceListener;
 use OCA\Theming\Listener\BeforeTemplateRenderedListener;
 use OCP\AppFramework\App;
 use OCP\AppFramework\Bootstrap\IBootContext;
 use OCP\AppFramework\Bootstrap\IBootstrap;
 use OCP\AppFramework\Bootstrap\IRegistrationContext;
 use OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent;
+use OCP\Config\BeforePreferenceDeletedEvent;
+use OCP\Config\BeforePreferenceSetEvent;
 
 class Application extends App implements IBootstrap {
 	public const APP_ID = 'theming';
@@ -42,6 +45,8 @@ class Application extends App implements IBootstrap {
 	public function register(IRegistrationContext $context): void {
 		$context->registerCapability(Capabilities::class);
 		$context->registerEventListener(BeforeTemplateRenderedEvent::class, BeforeTemplateRenderedListener::class);
+		$context->registerEventListener(BeforePreferenceSetEvent::class, BeforePreferenceListener::class);
+		$context->registerEventListener(BeforePreferenceDeletedEvent::class, BeforePreferenceListener::class);
 	}
 
 	public function boot(IBootContext $context): void {
diff --git a/apps/theming/lib/Listener/BeforePreferenceListener.php b/apps/theming/lib/Listener/BeforePreferenceListener.php
new file mode 100644
index 00000000000..a1add86e600
--- /dev/null
+++ b/apps/theming/lib/Listener/BeforePreferenceListener.php
@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2022 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\Theming\Listener;
+
+use OCA\Theming\AppInfo\Application;
+use OCP\Config\BeforePreferenceDeletedEvent;
+use OCP\Config\BeforePreferenceSetEvent;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+
+class BeforePreferenceListener implements IEventListener {
+	public function handle(Event $event): void {
+		if (!$event instanceof BeforePreferenceSetEvent
+			&& !$event instanceof BeforePreferenceDeletedEvent) {
+			return;
+		}
+
+		if ($event->getAppId() !== Application::APP_ID) {
+			return;
+		}
+
+		if ($event->getConfigKey() !== 'shortcuts_disabled') {
+			return;
+		}
+
+		if ($event instanceof BeforePreferenceSetEvent) {
+			$event->setValid($event->getConfigValue() === 'yes');
+			return;
+		}
+
+		$event->setValid(true);
+	}
+}
diff --git a/apps/theming/lib/Listener/BeforeTemplateRenderedListener.php b/apps/theming/lib/Listener/BeforeTemplateRenderedListener.php
index d6e00b927ae..1d28a1d4399 100644
--- a/apps/theming/lib/Listener/BeforeTemplateRenderedListener.php
+++ b/apps/theming/lib/Listener/BeforeTemplateRenderedListener.php
@@ -29,6 +29,8 @@ use OCA\Theming\AppInfo\Application;
 use OCA\Theming\Service\BackgroundService;
 use OCA\Theming\Service\JSDataService;
 use OCA\Theming\Service\ThemeInjectionService;
+use OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent;
+use OCP\AppFramework\Http\TemplateResponse;
 use OCP\AppFramework\Services\IInitialState;
 use OCP\EventDispatcher\Event;
 use OCP\EventDispatcher\IEventListener;
@@ -64,6 +66,17 @@ class BeforeTemplateRenderedListener implements IEventListener {
 			fn () => $this->container->get(JSDataService::class),
 		);
 
+		/** @var BeforeTemplateRenderedEvent $event */
+		if ($event->getResponse()->getRenderAs() === TemplateResponse::RENDER_AS_USER) {
+			$this->initialState->provideLazyInitialState('shortcutsDisabled', function () {
+				if ($this->userSession->getUser()) {
+					$uid = $this->userSession->getUser()->getUID();
+					return $this->config->getUserValue($uid, Application::APP_ID, 'shortcuts_disabled', 'no') === 'yes';
+				}
+				return false;
+			});
+		}
+
 		$this->themeInjectionService->injectHeaders();
 
 		$user = $this->userSession->getUser();