server/lib/private/Contacts/ContactsMenu/Providers/EMailProvider.php

<?php
/**
 * @copyright 2017 Christoph Wurst <christoph@winzerhof-wurst.at>
 *
 * @author Christoph Wurst <christoph@owncloud.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 OC\Contacts\ContactsMenu\Providers;

use OCP\Contacts\ContactsMenu\IActionFactory;
use OCP\Contacts\ContactsMenu\IEntry;
use OCP\Contacts\ContactsMenu\IProvider;
use OCP\IURLGenerator;

class EMailProvider implements IProvider {

	/** @var IActionFactory */
	private $actionFactory;

	/** @var IURLGenerator */
	private $urlGenerator;

	/**
	 * @param IActionFactory $actionFactory
	 * @param IURLGenerator $urlGenerator
	 */
	public function __construct(IActionFactory $actionFactory, IURLGenerator $urlGenerator) {
		$this->actionFactory = $actionFactory;
		$this->urlGenerator = $urlGenerator;
	}

	/**
	 * @param IEntry $entry
	 */
	public function process(IEntry $entry) {
		$iconUrl = $this->urlGenerator->getAbsoluteURL($this->urlGenerator->imagePath('core', 'actions/mail.svg'));
		foreach ($entry->getEMailAddresses() as $address) {
			if (empty($address)) {
				// Skip
				continue;
			}
			$action = $this->actionFactory->newEMailAction($iconUrl, $address, $address);
			$entry->addAction($action);
		}
	}

}