1 files changed, 29 insertions, 0 deletions
diff --git a/include/mbgl/layermanager/layer_factory.hpp b/include/mbgl/layermanager/layer_factory.hpp
new file mode 100644
index 0000000000..3e2b2c3ddd
--- /dev/null
+++ b/include/mbgl/layermanager/layer_factory.hpp
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <mbgl/style/layer.hpp>
+
+namespace mbgl {
+
+class RenderLayer;
+
+/**
+ * @brief The LayerFactory abstract class
+ * 
+ * This class is responsible for creation of the layer objects that belong to a concrete layer type.
+ */
+class LayerFactory {
+public:
+    virtual ~LayerFactory() = default;
+    /// Returns the layer type data.
+    virtual const style::LayerTypeInfo* getTypeInfo() const noexcept = 0;
+    /// Returns a new Layer instance on success call; returns `nulltptr` otherwise. 
+    virtual std::unique_ptr<style::Layer> createLayer(const std::string& id, const style::conversion::Convertible& value) noexcept = 0;
+    /// Returns a new RenderLayer instance on success call; returns `nulltptr` otherwise.
+    virtual std::unique_ptr<RenderLayer> createRenderLayer(Immutable<style::Layer::Impl>) noexcept = 0;
+
+protected:
+    optional<std::string> getSource(const style::conversion::Convertible& value) const noexcept;
+    bool initSourceLayerAndFilter(style::Layer*, const style::conversion::Convertible& value) const noexcept;
+};
+
+} // namespace mbgl