Add global setting to disable keyboad shortcuts

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 @@ public function __construct() {
 	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 {

apps/theming/lib/Listener/BeforePreferenceListener.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * @copyright Copyright (c) 2022 Joas Schilling <[email protected]>
+ *
+ * @author Joas Schilling <[email protected]>
+ *
+ * @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);
+	}
+}

apps/theming/lib/Listener/BeforeTemplateRenderedListener.php

@@ -29,6 +29,8 @@
 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 @@ public function handle(Event $event): void {
 			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();

apps/theming/src/UserThemes.vue

@@ -23,7 +23,9 @@
 
 <template>
 	<section>
-		<NcSettingsSection class="theming" :title="t('theming', 'Appearance and accessibility')">
+		<NcSettingsSection :title="t('theming', 'Appearance and accessibility')"
+			:limit-width="false"
+			class="theming">
 			<p v-html="description" />
 			<p v-html="descriptionDetail" />
 
@@ -48,6 +50,18 @@
 					@change="changeFont" />
 			</div>
 		</NcSettingsSection>
+
+		<NcSettingsSection :title="t('theming', 'Keyboard shortcuts')">
+			<p>{{ t('theming', 'In some cases keyboard shortcuts can interfer with accessibility tools. In order to allow focusing on your tool correctly you can disable all keyboard shortcuts here. This will also disable all available shortcuts in apps.') }}</p>
+			<NcCheckboxRadioSwitch class="theming__preview-toggle"
+				:checked.sync="shortcutsDisabled"
+				name="shortcuts_disabled"
+				type="switch"
+				@change="changeShortcutsDisabled">
+				{{ t('theming', 'Disable all keyboard shortcuts') }}
+			</NcCheckboxRadioSwitch>
+		</NcSettingsSection>
+
 		<NcSettingsSection :title="t('theming', 'Background')"
 			class="background">
 			<p>{{ t('theming', 'Set a custom background') }}</p>
@@ -63,6 +77,7 @@
 import { generateOcsUrl, imagePath } from '@nextcloud/router'
 import { loadState } from '@nextcloud/initial-state'
 import axios from '@nextcloud/axios'
+import NcCheckboxRadioSwitch from '@nextcloud/vue/dist/Components/NcCheckboxRadioSwitch'
 import NcSettingsSection from '@nextcloud/vue/dist/Components/NcSettingsSection'
 
 import BackgroundSettings from './components/BackgroundSettings.vue'
@@ -72,6 +87,7 @@ import { getBackgroundUrl } from '../src/helpers/getBackgroundUrl.js'
 
 const availableThemes = loadState('theming', 'themes', [])
 const enforceTheme = loadState('theming', 'enforceTheme', '')
+const shortcutsDisabled = loadState('theming', 'shortcutsDisabled', false)
 
 const background = loadState('theming', 'background')
 const backgroundVersion = loadState('theming', 'backgroundVersion')
@@ -84,6 +100,7 @@ export default {
 	name: 'UserThemes',
 	components: {
 		ItemPreview,
+		NcCheckboxRadioSwitch,
 		NcSettingsSection,
 		BackgroundSettings,
 	},
@@ -92,6 +109,7 @@ export default {
 		return {
 			availableThemes,
 			enforceTheme,
+			shortcutsDisabled,
 			background,
 			themingDefaultBackground,
 		}
@@ -151,9 +169,17 @@ export default {
 			return '<a target="_blank" href="https://nextcloud.com/design" rel="noreferrer nofollow">'
 		},
 	},
+
 	mounted() {
 		this.updateGlobalStyles()
 	},
+
+	watch: {
+		shortcutsDisabled(newState) {
+			this.changeShortcutsDisabled(newState)
+		},
+	},
+
 	methods: {
 		updateBackground(data) {
 			this.background = (data.type === 'custom' || data.type === 'default') ? data.type : data.value
@@ -212,6 +238,29 @@ export default {
 			this.selectItem(enabled, id)
 		},
 
+		async changeShortcutsDisabled(newState) {
+			if (newState) {
+				await axios({
+					url: generateOcsUrl('apps/provisioning_api/api/v1/config/users/{appId}/{configKey}', {
+						appId: 'theming',
+						configKey: 'shortcuts_disabled',
+					}),
+					data: {
+						configValue: 'yes',
+					},
+					method: 'POST',
+				})
+			} else {
+				await axios({
+					url: generateOcsUrl('apps/provisioning_api/api/v1/config/users/{appId}/{configKey}', {
+						appId: 'theming',
+						configKey: 'shortcuts_disabled',
+					}),
+					method: 'DELETE',
+				})
+			}
+		},
+
 		updateBodyAttributes() {
 			const enabledThemesIDs = this.themes.filter(theme => theme.enabled === true).map(theme => theme.id)
 			const enabledFontsIDs = this.fonts.filter(font => font.enabled === true).map(font => font.id)

core/src/OCP/accessibility.js

@@ -0,0 +1,32 @@
+/**
+ * @copyright Copyright (c) 2022 Joas Schilling <[email protected]>
+ *
+ * @author Joas Schilling <[email protected]>
+ *
+ * @license AGPL-3.0-or-later
+ *
+ * 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/>.
+ *
+ */
+
+import { loadState } from '@nextcloud/initial-state'
+
+export default {
+	/**
+	 * @return {boolean} Whether the user opted-out of shortcuts so that they should not be registered
+	 */
+	disableKeyboardShortcuts() {
+		return loadState('theming', 'shortcutsDisabled', false)
+	},
+}

core/src/OCP/index.js

@@ -28,12 +28,14 @@ import * as AppConfig from './appconfig'
 import * as Comments from './comments'
 import * as WhatsNew from './whatsnew'
 
+import Accessibility from './accessibility'
 import Collaboration from './collaboration'
 import Loader from './loader'
 import Toast from './toast'
 
 /** @namespace OCP */
 export default {
+	Accessibility,
 	AppConfig,
 	Collaboration,
 	Comments,

core/src/components/HeaderMenu.vue

@@ -81,6 +81,7 @@ export default {
 				handler: this.closeMenu,
 				middleware: this.clickOutsideMiddleware,
 			},
+			shortcutsDisabled: OCP.Accessibility.disableKeyboardShortcuts(),
 		}
 	},
 
@@ -144,6 +145,10 @@ export default {
 		},
 
 		onKeyDown(event) {
+			if (this.shortcutsDisabled) {
+				return
+			}
+
 			// If opened and escape pressed, close
 			if (event.key === 'Escape' && this.opened) {
 				event.preventDefault()

core/src/views/UnifiedSearch.vue

@@ -334,6 +334,10 @@ export default {
 	},
 
 	mounted() {
+		if (OCP.Accessibility.disableKeyboardShortcuts()) {
+			return
+		}
+
 		document.addEventListener('keydown', (event) => {
 			// if not already opened, allows us to trigger default browser on second keydown
 			if (event.ctrlKey && event.key === 'f' && !this.open) {

dist/core-main.js.LICENSE.txt

@@ -427,10 +427,9 @@
  */
 
 /**
- * @copyright Copyright (c) 2018 Julius Härtl <[email protected]>
+ * @copyright Copyright (c) 2022 Joas Schilling <[email protected]>
  *
- * @author John Molakvoæ <[email protected]>
- * @author Julius Härtl <[email protected]>
+ * @author Joas Schilling <[email protected]>
  *
  * @license AGPL-3.0-or-later
  *