Merge "Remove $this reference in static method"

[lhc/web/wiklou.git] / includes / media / GIF.php

diff --git a/includes/media/GIF.php b/includes/media/GIF.php
index 94aca61..b998d18 100644 (file)
--- a/includes/media/GIF.php
+++ b/includes/media/GIF.php
@@ -187,4 +187,25 @@ class GIFHandler extends BitmapHandler {
 
                return $wgLang->commaList( $info );
        }
+
+       /**
+        * Return the duration of the GIF file.
+        *
+        * Shown in the &query=imageinfo&iiprop=size api query.
+        *
+        * @param $file File
+        * @return float The duration of the file.
+        */
+       public function getLength( $file ) {
+               $serMeta = $file->getMetadata();
+               MediaWiki\suppressWarnings();
+               $metadata = unserialize( $serMeta );
+               MediaWiki\restoreWarnings();
+
+               if ( !$metadata || !isset( $metadata['duration'] ) || !$metadata['duration'] ) {
+                       return 0.0;
+               } else {
+                       return (float)$metadata['duration'];
+               }
+       }
 }