Move com_workflow to services (#21760)

administrator/components/com_workflow/services/provider.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * @package     Joomla.Administrator
+ * @subpackage  com_workflow
+ *
+ * @copyright   Copyright (C) 2005 - 2018 Open Source Matters, Inc. All rights reserved.
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die;
+
+use Joomla\CMS\Dispatcher\DispatcherFactoryInterface;
+use Joomla\CMS\Extension\ComponentInterface;
+use Joomla\CMS\Extension\MVCComponent;
+use Joomla\CMS\Extension\Service\Provider\DispatcherFactory;
+use Joomla\CMS\Extension\Service\Provider\MVCFactoryFactory;
+use Joomla\CMS\MVC\Factory\MVCFactoryFactoryInterface;
+use Joomla\DI\Container;
+use Joomla\DI\ServiceProviderInterface;
+
+/**
+ * The workflow service provider.
+ *
+ * @since  4.0.0
+ */
+return new class implements ServiceProviderInterface
+{
+	/**
+	 * Registers the service provider with a DI container.
+	 *
+	 * @param   Container  $container  The DI container.
+	 *
+	 * @return  void
+	 *
+	 * @since   4.0.0
+	 */
+	public function register(Container $container)
+	{
+		$container->registerServiceProvider(new MVCFactoryFactory('\\Joomla\\Component\\Workflow'));
+		$container->registerServiceProvider(new DispatcherFactory('\\Joomla\\Component\\Workflow'));
+		$container->set(
+			ComponentInterface::class,
+			function (Container $container)
+			{
+				$component = new MVCComponent($container->get(DispatcherFactoryInterface::class));
+				$component->setMvcFactoryFactory($container->get(MVCFactoryFactoryInterface::class));
+
+				return $component;
+			}
+		);
+	}
+};