+ /**
+ * Get the language in which the content of this page is written when
+ * viewed by user. Defaults to $this->getPageLanguage(), but if the user
+ * specified a preferred variant, the variant will be used.
+ *
+ * This default implementation just returns $this->getPageLanguage( $title, $content ) unless
+ * the user specified a preferred variant.
+ *
+ * Note that the pages view language is not cacheable, since it depends on user settings.
+ *
+ * Also note that the page language may or may not depend on the actual content of the page,
+ * that is, this method may load the content in order to determine the language.
+ *
+ * @since 1.WD
+ *
+ * @param Title $title the page to determine the language for.
+ * @param Content|null $content the page's content, if you have it handy, to avoid reloading it.
+ *
+ * @return Language the page's language code for viewing
+ */
+ public function getPageViewLanguage( Title $title, Content $content = null ) {
+ $pageLang = $this->getPageLanguage( $title, $content );
+
+ if ( $title->getNamespace() !== NS_MEDIAWIKI ) {
+ // If the user chooses a variant, the content is actually
+ // in a language whose code is the variant code.
+ $variant = $pageLang->getPreferredVariant();
+ if ( $pageLang->getCode() !== $variant ) {
+ $pageLang = Language::factory( $variant );
+ }
+ }
+
+ return $pageLang;
+ }
+