nextcloud-server/apps/files/lib/Activity/Settings/FavoriteAction.php

<?php
/**
 * @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
 *
 * @author Joas Schilling <coding@schilljs.com>
 * @author Robin Appelman <robin@icewind.nl>
 *
 * @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\Files\Activity\Settings;

class FavoriteAction extends FileActivitySettings {
	/**
	 * @return string Lowercase a-z and underscore only identifier
	 * @since 11.0.0
	 */
	public function getIdentifier() {
		return 'favorite';
	}

	/**
	 * @return string A translated string
	 * @since 11.0.0
	 */
	public function getName() {
		return $this->l->t('A file has been added to or removed from your <strong>favorites</strong>');
	}

	/**
	 * @return int whether the filter should be rather on the top or bottom of
	 * the admin section. The filters are arranged in ascending order of the
	 * priority values. It is required to return a value between 0 and 100.
	 * @since 11.0.0
	 */
	public function getPriority() {
		return 5;
	}

	/**
	 * @return bool True when the option can be changed for the stream
	 * @since 11.0.0
	 */
	public function canChangeStream() {
		return false;
	}

	/**
	 * @return bool True when the option can be changed for the stream
	 * @since 11.0.0
	 */
	public function isDefaultEnabledStream() {
		return true;
	}

	/**
	 * @return bool True when the option can be changed for the mail
	 * @since 11.0.0
	 */
	public function canChangeMail() {
		return false;
	}

	/**
	 * @return bool True when the option can be changed for the stream
	 * @since 11.0.0
	 */
	public function isDefaultEnabledMail() {
		return false;
	}

	/**
	 * @return bool True when the option can be changed for the notification
	 * @since 20.0.0
	 */
	public function canChangeNotification() {
		return false;
	}
}