Move to IBootstrap and make app 20 compatible

Signed-off-by: Julius Härtl <jus@bitgrid.net>

4 files changed, 123 insertions, 40 deletions

diff --git a/appinfo/app.php b/appinfo/app.php
deleted file mode 100644
index 873bc31..0000000
--- a/appinfo/app.php
+++ /dev/null
@@ -1,38 +0,0 @@
-<?php
-/**
- * @copyright Copyright (c) 2017 Julius Härtl <jus@bitgrid.net>
- *
- * @author Julius Härtl <jus@bitgrid.net>
- *
- * @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/>.
- *
- */
-
-$linkToCSS = \OC::$server->getURLGenerator()->linkToRoute(
-	'theming_customcss.Theming.getStylesheet',
-	[
-		'v' => \OC::$server->getConfig()->getAppValue('theming_customcss', 'cachebuster', '0'),
-	]
-);
-\OCP\Util::addHeader(
-	'link',
-	[
-		'rel' => 'stylesheet',
-		'href' => $linkToCSS,
-	]
-);
-
-$app = new \OCP\AppFramework\App('theming_customcss');
diff --git a/appinfo/info.xml b/appinfo/info.xml
index 0253216..eb276bf 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -4,14 +4,14 @@
 	<name>Custom CSS</name>
 	<summary>Adjust the Nextcloud theme with custom CSS</summary>
 	<description>Adjust the Nextcloud theme with custom CSS</description>
-	<version>1.6.0</version>
+	<version>1.7.0</version>
 	<licence>agpl</licence>
 	<author>Julius Härtl</author>
 	<namespace>ThemingCustomCss</namespace>
 	<category>customization</category>
     <bugs>https://github.com/juliushaertl/theming_customcss/issues</bugs>
 	<dependencies>
-		<nextcloud min-version="12" max-version="19" />
+		<nextcloud min-version="20" max-version="20" />
 	</dependencies>
 	<settings>
 		<admin>OCA\ThemingCustomCss\Settings\Admin</admin>
diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
new file mode 100644
index 0000000..3361a1e
--- /dev/null
+++ b/lib/AppInfo/Application.php
@@ -0,0 +1,50 @@
+<?php
+/**
+ * @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @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/>.
+ *
+ */
+
+declare(strict_types=1);
+
+
+namespace OCA\ThemingCustomCss\AppInfo;
+
+use OCA\ThemingCustomCss\Listeners\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;
+
+class Application extends App implements IBootstrap {
+
+	public const APP_ID = 'theming_customcss';
+
+	public function __construct() {
+		parent::__construct(self::APP_ID);
+	}
+
+	public function register(IRegistrationContext $context): void {
+		$context->registerEventListener(BeforeTemplateRenderedEvent::class, BeforeTemplateRenderedListener::class);
+	}
+
+	public function boot(IBootContext $context): void {
+	}
+}
diff --git a/lib/Listeners/BeforeTemplateRenderedListener.php b/lib/Listeners/BeforeTemplateRenderedListener.php
new file mode 100644
index 0000000..8660e25
--- /dev/null
+++ b/lib/Listeners/BeforeTemplateRenderedListener.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * @copyright Copyright (c) 2020 Julius Härtl <jus@bitgrid.net>
+ *
+ * @author Julius Härtl <jus@bitgrid.net>
+ *
+ * @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/>.
+ *
+ */
+
+declare(strict_types=1);
+
+
+namespace OCA\ThemingCustomCss\Listeners;
+
+
+use OCP\AppFramework\Http\Events\BeforeTemplateRenderedEvent;
+use OCP\EventDispatcher\Event;
+use OCP\EventDispatcher\IEventListener;
+use OCP\IConfig;
+use OCP\IURLGenerator;
+use OCP\Util;
+
+class BeforeTemplateRenderedListener implements IEventListener {
+
+	/** @var IConfig */
+	private $config;
+	/** @var IURLGenerator */
+	private $urlGenerator;
+
+	public function __construct(
+		IConfig $config,
+		IURLGenerator $urlGenerator
+	) {
+		$this->config = $config;
+		$this->urlGenerator = $urlGenerator;
+	}
+
+	public function handle(Event $event): void {
+		if (!$event instanceof BeforeTemplateRenderedEvent) {
+			return;
+		}
+
+		$linkToCSS = $this->urlGenerator->linkToRoute(
+			'theming_customcss.Theming.getStylesheet',
+			[
+				'v' => $this->config->getAppValue('theming_customcss', 'cachebuster', '0'),
+			]
+		);
+		Util::addHeader(
+			'link',
+			[
+				'rel' => 'stylesheet',
+				'href' => $linkToCSS,
+			]
+		);
+	}
+}