From 8feedf7fc2f9b41a48d9f02ea572d312514f115f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20Ka=CC=88fer?= <mail@kkaefer.com>
Date: Fri, 27 Jun 2014 19:15:33 +0200
Subject: [PATCH] also update child layers

---
 src/style/style_layer.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/style/style_layer.cpp b/src/style/style_layer.cpp
index eccadbeed..9e6de7861 100644
--- a/src/style/style_layer.cpp
+++ b/src/style/style_layer.cpp
@@ -48,6 +48,15 @@ void StyleLayer::setClasses(const std::vector<std::string> &class_names, const t
             appliedProperties.add(ClassID::Fallback, begin, end, value);
         }
     }
+
+    // Update all child layers as well.
+    if (layers) {
+        for (std::shared_ptr<StyleLayer> &layer : *layers) {
+            if (layer) {
+                layer->setClasses(class_names, now, defaultTransition);
+            }
+        }
+    }
 }
 
 // Helper function for applying all properties of a a single class that haven't been applied yet.