1 files changed, 202 insertions, 0 deletions
diff --git a/includes/resourceloader/DerivativeResourceLoaderContext.php b/includes/resourceloader/DerivativeResourceLoaderContext.php
new file mode 100644
index 00000000..d114d7ed
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+++ b/includes/resourceloader/DerivativeResourceLoaderContext.php
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+<?php
+/**
+ * Derivative context for resource loader modules.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author Kunal Mehta
+ */
+
+/**
+ * Allows changing specific properties of a context object,
+ * without changing the main one. Inspired by DerivativeContext.
+ *
+ * @since 1.24
+ */
+class DerivativeResourceLoaderContext extends ResourceLoaderContext {
+
+	/**
+	 * @var ResourceLoaderContext
+	 */
+	private $context;
+	protected $modules;
+	protected $language;
+	protected $direction;
+	protected $skin;
+	protected $user;
+	protected $debug;
+	protected $only;
+	protected $version;
+	protected $hash;
+	protected $raw;
+
+	public function __construct( ResourceLoaderContext $context ) {
+		$this->context = $context;
+	}
+
+	public function getModules() {
+		if ( !is_null( $this->modules ) ) {
+			return $this->modules;
+		} else {
+			return $this->context->getModules();
+		}
+	}
+
+	/**
+	 * @param string[] $modules
+	 */
+	public function setModules( array $modules ) {
+		$this->modules = $modules;
+	}
+
+	public function getLanguage() {
+		if ( !is_null( $this->language ) ) {
+			return $this->language;
+		} else {
+			return $this->context->getLanguage();
+		}
+	}
+
+	/**
+	 * @param string $language
+	 */
+	public function setLanguage( $language ) {
+		$this->language = $language;
+		$this->direction = null; // Invalidate direction since it might be based on language
+		$this->hash = null;
+	}
+
+	public function getDirection() {
+		if ( !is_null( $this->direction ) ) {
+			return $this->direction;
+		} else {
+			return $this->context->getDirection();
+		}
+	}
+
+	/**
+	 * @param string $direction
+	 */
+	public function setDirection( $direction ) {
+		$this->direction = $direction;
+		$this->hash = null;
+	}
+
+	public function getSkin() {
+		if ( !is_null( $this->skin ) ) {
+			return $this->skin;
+		} else {
+			return $this->context->getSkin();
+		}
+	}
+
+	/**
+	 * @param string $skin
+	 */
+	public function setSkin( $skin ) {
+		$this->skin = $skin;
+		$this->hash = null;
+	}
+
+	public function getUser() {
+		if ( !is_null( $this->user ) ) {
+			return $this->user;
+		} else {
+			return $this->context->getUser();
+		}
+	}
+
+	/**
+	 * @param string $user
+	 */
+	public function setUser( $user ) {
+		$this->user = $user;
+		$this->hash = null;
+	}
+
+	public function getDebug() {
+		if ( !is_null( $this->debug ) ) {
+			return $this->debug;
+		} else {
+			return $this->context->getDebug();
+		}
+	}
+
+	/**
+	 * @param bool $debug
+	 */
+	public function setDebug( $debug ) {
+		$this->debug = $debug;
+		$this->hash = null;
+	}
+
+	public function getOnly() {
+		if ( !is_null( $this->only ) ) {
+			return $this->only;
+		} else {
+			return $this->context->getOnly();
+		}
+	}
+
+	/**
+	 * @param string $only
+	 */
+	public function setOnly( $only ) {
+		$this->only = $only;
+		$this->hash = null;
+	}
+
+	public function getVersion() {
+		if ( !is_null( $this->version ) ) {
+			return $this->version;
+		} else {
+			return $this->context->getVersion();
+		}
+	}
+
+	/**
+	 * @param string $version
+	 */
+	public function setVersion( $version ) {
+		$this->version = $version;
+		$this->hash = null;
+	}
+
+	public function getRaw() {
+		if ( !is_null( $this->raw ) ) {
+			return $this->raw;
+		} else {
+			return $this->context->getRaw();
+		}
+	}
+
+	/**
+	 * @param bool $raw
+	 */
+	public function setRaw( $raw ) {
+		$this->raw = $raw;
+	}
+
+	public function getRequest() {
+		return $this->context->getRequest();
+	}
+
+	public function getResourceLoader() {
+		return $this->context->getResourceLoader();
+	}
+
+}