diff --git a/admin_language.api.php b/admin_language.api.php
new file mode 100644
index 0000000..b6160eb
--- /dev/null
+++ b/admin_language.api.php
@@ -0,0 +1,34 @@
+<?php
+/**
+ * @file
+ * API documentation for Administration language.
+ */
+
+/**
+ * Determine if a language switch is necessary.
+ *
+ * @param $sections Array with the enabled sections to switch language in.
+ * @return boolean If TRUE the language is switched.
+ */
+function hook_admin_language_switch_language($sections) {
+  foreach ($sections as $section) {
+    switch ($section) {
+      case 'admin':
+        if (arg(0) == 'admin' || (arg(0) == 'js' && arg(1) == 'admin')) {
+          return TRUE;
+        }
+        break;
+      case 'node':
+        if (arg(0) == 'node' && (arg(1) == 'add' || arg(2) == 'edit' || arg(2) == 'translate')) {
+          return TRUE;
+        }
+        break;
+      case 'user':
+        if (arg(0) == 'user' && arg(2) == 'edit') {
+          return TRUE;
+        }
+        break;
+    }
+  }
+  return FALSE;
+}
diff --git a/admin_language.module b/admin_language.module
index e85cd98..654aef6 100644
--- a/admin_language.module
+++ b/admin_language.module
@@ -52,11 +52,16 @@ function admin_language_init() {
   $access = user_access('display admin pages in another language');
   $count = variable_get('language_count', 1);
 
-  $switch_language = _admin_language_switch_language();
+  $switch_language = TRUE;
+  $sections = array_filter(variable_get('admin_language_sections', array('admin' => 'admin')));
+  foreach (module_implements('admin_language_switch_language') as $module) {
+    if (($switch_language = module_invoke($module, 'admin_language_switch_language', $sections))) {
+      break;
+    }
+  }
 
   if ($access && $count > 1 && $switch_language) {
-    $languages = language_list('enabled');
-    $languages = $languages[1];
+    $languages = language_list();
 
     global $language;
     $admin_language = variable_get('admin_language_default', 'en');
@@ -145,40 +150,35 @@ function admin_language_languages_overview_form_submit($form, &$form_state) {
 /* --- UTILITY -------------------------------------------------------------- */
 
 /**
+ * Implements hook_admin_switch_language().
+ *
  * Determine whether the language needs to be switched on the current path.
  *
- * @return boolean
- *   TRUE to switch to the selected administration language or FALSE to use the
- *   default language.
+ * @param $sections
  */
-function _admin_language_switch_language() {
-  $switch = FALSE;
-  $sections = variable_get('admin_language_sections', array('admin' => 'admin'));
-
+function admin_language_admin_language_switch_language($sections) {
   foreach ($sections as $section) {
-    if (!$section) {
-      continue;
-    }
     switch ($section) {
       case 'admin':
-        if (arg(0) == 'admin') {
-          $switch = TRUE;
+        // Temporary also switch on admin_menu callback - remove this as soon as
+        // admin_menu implements this hook.
+        if (arg(0) == 'admin' || (arg(0) == 'js' && arg(1) == 'admin_menu')) {
+          return TRUE;
         }
         break;
       case 'node':
-        if ((arg(0) == 'node' && arg(1) == 'add') || (arg(0) == 'node' && arg(2) == 'edit')) {
-          $switch = TRUE;
+        if (arg(0) == 'node' && (arg(1) == 'add' || arg(2) == 'edit' || arg(2) == 'translate')) {
+          return TRUE;
         }
         break;
       case 'user':
         if (arg(0) == 'user' && arg(2) == 'edit') {
-          $switch = TRUE;
+          return TRUE;
         }
         break;
     }
   }
-
-  return $switch;
+  return FALSE;
 }
 
 /* --- THEME ---------------------------------------------------------------- */