Add InitialState Appframework service

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

lib/composer/composer/autoload_classmap.php

@@ -70,6 +70,7 @@ return array(
     'OCP\\AppFramework\\PublicShareController' => $baseDir . '/lib/public/AppFramework/PublicShareController.php',
     'OCP\\AppFramework\\QueryException' => $baseDir . '/lib/public/AppFramework/QueryException.php',
     'OCP\\AppFramework\\Services\\IAppConfig' => $baseDir . '/lib/public/AppFramework/Services/IAppConfig.php',
+    'OCP\\AppFramework\\Services\\IInitialState' => $baseDir . '/lib/public/AppFramework/Services/IInitialState.php',
     'OCP\\AppFramework\\Utility\\IControllerMethodReflector' => $baseDir . '/lib/public/AppFramework/Utility/IControllerMethodReflector.php',
     'OCP\\AppFramework\\Utility\\ITimeFactory' => $baseDir . '/lib/public/AppFramework/Utility/ITimeFactory.php',
     'OCP\\App\\AppPathNotFoundException' => $baseDir . '/lib/public/App/AppPathNotFoundException.php',
@@ -558,6 +559,7 @@ return array(
     'OC\\AppFramework\\Routing\\RouteActionHandler' => $baseDir . '/lib/private/AppFramework/Routing/RouteActionHandler.php',
     'OC\\AppFramework\\Routing\\RouteConfig' => $baseDir . '/lib/private/AppFramework/Routing/RouteConfig.php',
     'OC\\AppFramework\\Services\\AppConfig' => $baseDir . '/lib/private/AppFramework/Services/AppConfig.php',
+    'OC\\AppFramework\\Services\\InitialState' => $baseDir . '/lib/private/AppFramework/Services/InitialState.php',
     'OC\\AppFramework\\Utility\\ControllerMethodReflector' => $baseDir . '/lib/private/AppFramework/Utility/ControllerMethodReflector.php',
     'OC\\AppFramework\\Utility\\SimpleContainer' => $baseDir . '/lib/private/AppFramework/Utility/SimpleContainer.php',
     'OC\\AppFramework\\Utility\\TimeFactory' => $baseDir . '/lib/private/AppFramework/Utility/TimeFactory.php',

lib/composer/composer/autoload_static.php

@@ -99,6 +99,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OCP\\AppFramework\\PublicShareController' => __DIR__ . '/../../..' . '/lib/public/AppFramework/PublicShareController.php',
         'OCP\\AppFramework\\QueryException' => __DIR__ . '/../../..' . '/lib/public/AppFramework/QueryException.php',
         'OCP\\AppFramework\\Services\\IAppConfig' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Services/IAppConfig.php',
+        'OCP\\AppFramework\\Services\\IInitialState' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Services/IInitialState.php',
         'OCP\\AppFramework\\Utility\\IControllerMethodReflector' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Utility/IControllerMethodReflector.php',
         'OCP\\AppFramework\\Utility\\ITimeFactory' => __DIR__ . '/../../..' . '/lib/public/AppFramework/Utility/ITimeFactory.php',
         'OCP\\App\\AppPathNotFoundException' => __DIR__ . '/../../..' . '/lib/public/App/AppPathNotFoundException.php',
@@ -587,6 +588,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
         'OC\\AppFramework\\Routing\\RouteActionHandler' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Routing/RouteActionHandler.php',
         'OC\\AppFramework\\Routing\\RouteConfig' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Routing/RouteConfig.php',
         'OC\\AppFramework\\Services\\AppConfig' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Services/AppConfig.php',
+        'OC\\AppFramework\\Services\\InitialState' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Services/InitialState.php',
         'OC\\AppFramework\\Utility\\ControllerMethodReflector' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Utility/ControllerMethodReflector.php',
         'OC\\AppFramework\\Utility\\SimpleContainer' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Utility/SimpleContainer.php',
         'OC\\AppFramework\\Utility\\TimeFactory' => __DIR__ . '/../../..' . '/lib/private/AppFramework/Utility/TimeFactory.php',

lib/private/AppFramework/DependencyInjection/DIContainer.php

@@ -53,6 +53,7 @@ use OCP\AppFramework\Http\IOutput;
 use OCP\AppFramework\IAppContainer;
 use OCP\AppFramework\QueryException;
 use OCP\AppFramework\Services\IAppConfig;
+use OCP\AppFramework\Services\IInitialState;
 use OCP\AppFramework\Utility\IControllerMethodReflector;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\Files\Folder;
@@ -296,6 +297,7 @@ class DIContainer extends SimpleContainer implements IAppContainer {
 		$this->registerAlias(\OCP\Collaboration\Resources\IManager::class, OC\Collaboration\Resources\Manager::class);
 
 		$this->registerAlias(IAppConfig::class, OC\AppFramework\Services\AppConfig::class);
+		$this->registerAlias(IInitialState::class, OC\AppFramework\Services\InitialState::class);
 	}
 
 	/**

lib/private/AppFramework/Services/InitialState.php

@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.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 OC\AppFramework\Services;
+
+use OCP\AppFramework\Services\Closure;
+use OCP\AppFramework\Services\IInitialState;
+use OCP\IInitialStateService;
+
+class InitialState implements IInitialState {
+	/** @var IInitialStateService */
+	private $state;
+
+	/** @var string */
+	private $appName;
+
+	public function __construct(IInitialStateService $state, string $appName) {
+		$this->state = $state;
+		$this->appName = $appName;
+	}
+
+	public function provideInitialState(string $key, $data): void {
+		$this->state->provideInitialState($this->appName, $key, $data);
+	}
+
+	public function provideLazyInitialState(string $key, \Closure $closure): void {
+		$this->state->provideLazyInitialState($this->appName, $key, $closure);
+	}
+}

lib/public/AppFramework/Services/IInitialState.php

@@ -0,0 +1,54 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2020, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.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 OCP\AppFramework\Services;
+
+interface IInitialState {
+
+	/**
+	 * Allows an app to provide its initial state to the template system.
+	 * Use this if you know your initial state sill be used for example if
+	 * you are in the render function of you controller.
+	 *
+	 * @since 20.0.0
+	 *
+	 * @param string $key
+	 * @param bool|int|float|string|array|\JsonSerializable $data
+	 */
+	public function provideInitialState(string $key, $data): void;
+
+	/**
+	 * Allows an app to provide its initial state via a lazy method.
+	 * This will call the closure when the template is being generated.
+	 * Use this if your app is injected into pages. Since then the render method
+	 * is not called explicitly. But we do not want to load the state on webdav
+	 * requests for example.
+	 *
+	 * @since 20.0.0
+	 *
+	 * @param string $key
+	 * @param Closure $closure returns a primitive or an object that implements JsonSerializable
+	 */
+	public function provideLazyInitialState(string $key, \Closure $closure): void;
+}