class MediaHandlerFactory {
/**
+ * Default, MediaWiki core media handlers
+ *
+ * @var array
+ */
+ private static $coreHandlers = [
+ 'image/jpeg' => JpegHandler::class,
+ 'image/png' => PNGHandler::class,
+ 'image/gif' => GIFHandler::class,
+ 'image/tiff' => TiffHandler::class,
+ 'image/webp' => WebPHandler::class,
+ 'image/x-ms-bmp' => BmpHandler::class,
+ 'image/x-bmp' => BmpHandler::class,
+ 'image/x-xcf' => XCFHandler::class,
+ 'image/svg+xml' => SvgHandler::class, // official
+ 'image/svg' => SvgHandler::class, // compat
+ 'image/vnd.djvu' => DjVuHandler::class, // official
+ 'image/x.djvu' => DjVuHandler::class, // compat
+ 'image/x-djvu' => DjVuHandler::class, // compat
+ ];
+
+ /**
+ * @var array
+ */
+ private $registry;
+
+ /**
+ * Instance cache of MediaHandler objects by mimetype
+ *
* @var MediaHandler[]
*/
private $handlers;
+ public function __construct( array $registry ) {
+ $this->registry = $registry + self::$coreHandlers;
+ }
+
+ protected function getHandlerClass( $type ) {
+ return $this->registry[$type] ?? false;
+ }
+
/**
* @param string $type mimetype
* @return bool|MediaHandler
*/
public function getHandler( $type ) {
- global $wgMediaHandlers;
- if ( !isset( $wgMediaHandlers[$type] ) ) {
- wfDebug( __METHOD__ . ": no handler found for $type.\n" );
-
- return false;
+ if ( isset( $this->handlers[$type] ) ) {
+ return $this->handlers[$type];
}
- $class = $wgMediaHandlers[$type];
- if ( !isset( $this->handlers[$class] ) ) {
- $this->handlers[$class] = new $class;
- if ( !$this->handlers[$class]->isEnabled() ) {
+
+ $class = $this->getHandlerClass( $type );
+ if ( $class !== false ) {
+ /** @var MediaHandler $handler */
+ $handler = new $class;
+ if ( !$handler->isEnabled() ) {
wfDebug( __METHOD__ . ": $class is not enabled\n" );
- $this->handlers[$class] = false;
+ $handler = false;
}
+ } else {
+ wfDebug( __METHOD__ . ": no handler found for $type.\n" );
+ $handler = false;
}
- return $this->handlers[$class];
+ $this->handlers[$type] = $handler;
+ return $handler;
}
}