--- /dev/null
+<?php
+/**
+ * Hooks.php
+ */
+
+/**
+ * Hook handlers for Vector skin.
+ *
+ * Hook handler method names should be in the form of:
+ * on<HookName>()
+ */
+
+class VectorHooks {
+ /**
+ * BeforePageDisplayMobile hook handler
+ *
+ * Make Vector responsive when operating in mobile mode (useformat=mobile)
+ *
+ * @see https://www.mediawiki.org/wiki/Extension:MobileFrontend/BeforePageDisplayMobile
+ * @param OutputPage $out
+ * @param SkinTemplate $sk
+ */
+ public static function onBeforePageDisplayMobile( OutputPage $out, $sk ) {
+ // This makes Vector behave in responsive mode when MobileFrontend is installed
+ if ( $sk instanceof SkinVector ) {
+ $sk->enableResponsiveMode();
+ }
+ }
+}