Merge "Allow skins/extensions to define custom OOUI themes"

[lhc/web/wiklou.git] / includes / resourceloader / ResourceLoaderImage.php

diff --git a/includes/resourceloader/ResourceLoaderImage.php b/includes/resourceloader/ResourceLoaderImage.php
index 5b39fc7..9003951 100644 (file)
--- a/includes/resourceloader/ResourceLoaderImage.php
+++ b/includes/resourceloader/ResourceLoaderImage.php
@@ -226,10 +226,13 @@ class ResourceLoaderImage {
                        'image' => $this->getName(),
                        'variant' => $variant,
                        'format' => $format,
-                       'lang' => $context->getLanguage(),
-                       'skin' => $context->getSkin(),
-                       'version' => $context->getVersion(),
                ];
+               if ( $this->varyOnLanguage() ) {
+                       $query['lang'] = $context->getLanguage();
+               }
+               // The following parameters are at the end to keep the original order of the parameters.
+               $query['skin'] = $context->getSkin();
+               $query['version'] = $context->getVersion();
 
                return wfAppendQuery( $script, $query );
        }
@@ -458,4 +461,16 @@ class ResourceLoaderImage {
                        return $png ?: false;
                }
        }
+
+       /**
+        * Check if the image depends on the language.
+        *
+        * @return bool
+        */
+       private function varyOnLanguage() {
+               return is_array( $this->descriptor ) && (
+                       isset( $this->descriptor['ltr'] ) ||
+                       isset( $this->descriptor['rtl'] ) ||
+                       isset( $this->descriptor['lang'] ) );
+       }
 }