return false;
}
+ /**
+ * Which languages (systemLanguage attribute) is supported.
+ *
+ * @note This list is not guaranteed to be exhaustive.
+ * To avoid OOM errors, we only look at first bit of a file.
+ * Thus all languages on this list are present in the file,
+ * but its possible for the file to have a language not on
+ * this list.
+ *
+ * @param File $file
+ * @return Array of language codes, or empty if no language switching supported.
+ */
+ public function getAvailableLanguages( File $file ) {
+ $metadata = $file->getMetadata();
+ $langList = array();
+ if ( $metadata ) {
+ $metadata = $this->unpackMetadata( $metadata );
+ if ( isset( $metadata['translations'] ) ) {
+ foreach ( $metadata['translations'] as $lang => $langType ) {
+ if ( $langType === SvgReader::LANG_FULL_MATCH ) {
+ $langList[] = $lang;
+ }
+ }
+ }
+ }
+ return $langList;
+ }
+
+ /**
+ * What language to render file in if none selected.
+ *
+ * @return String language code.
+ */
+ public function getDefaultRenderLanguage( File $file ) {
+ return 'en';
+ }
+
/**
* We do not support making animated svg thumbnails
*/
$clientHeight = $params['height'];
$physicalWidth = $params['physicalWidth'];
$physicalHeight = $params['physicalHeight'];
- $lang = isset( $params['lang'] ) ? $params['lang'] : 'en';
+ $lang = isset( $params['lang'] ) ? $params['lang'] : $this->getDefaultRenderLanguage( $image );
if ( $flags & self::TRANSFORM_LATER ) {
return new ThumbnailImage( $image, $dstUrl, $dstPath, $params );
return self::METADATA_GOOD;
}
- function visibleMetadataFields() {
+ protected function visibleMetadataFields() {
$fields = array( 'objectname', 'imagedescription' );
return $fields;
return ( $value > 0 );
} elseif ( $name == 'lang' ) {
// Validate $code
- if ( !Language::isValidBuiltinCode( $value ) ) {
+ if ( $value === '' || !Language::isValidBuiltinCode( $value ) ) {
wfDebug( "Invalid user language code\n" );
return false;