1 files changed, 14 insertions, 1 deletions
diff --git a/src/mbgl/tile/raster_tile_worker.hpp b/src/mbgl/tile/raster_tile_worker.hpp
index 44bc37ca5d..c99b6269ec 100644
--- a/src/mbgl/tile/raster_tile_worker.hpp
+++ b/src/mbgl/tile/raster_tile_worker.hpp
@@ -1,6 +1,8 @@
 #pragma once
 
+#include <mbgl/tile/tile_id.hpp>
 #include <mbgl/actor/actor_ref.hpp>
+#include <mbgl/util/optional.hpp>
 
 #include <memory>
 #include <string>
@@ -9,14 +11,25 @@ namespace mbgl {
 
 class RasterTile;
 
+namespace style {
+class Layer;
+} // namespace style
+
 class RasterTileWorker {
 public:
-    RasterTileWorker(ActorRef<RasterTileWorker>, ActorRef<RasterTile>);
+    RasterTileWorker(ActorRef<RasterTileWorker>, ActorRef<RasterTile>, OverscaledTileID);
+    ~RasterTileWorker();
 
+    void setLayers(std::vector<std::unique_ptr<style::Layer>>);
     void parse(std::shared_ptr<const std::string> data);
 
 private:
     ActorRef<RasterTile> parent;
+
+    const OverscaledTileID id;
+
+    // Outer optional indicates whether we've received it or not.
+    optional<std::vector<std::unique_ptr<style::Layer>>> layers;
 };
 
 } // namespace mbgl