1 files changed, 40 insertions, 0 deletions
diff --git a/include/mbgl/style/sources/custom_vector_source.hpp b/include/mbgl/style/sources/custom_vector_source.hpp
new file mode 100644
index 0000000000..a256c8e7f7
--- /dev/null
+++ b/include/mbgl/style/sources/custom_vector_source.hpp
@@ -0,0 +1,40 @@
+#pragma once
+
+#include <mbgl/style/source.hpp>
+#include <mbgl/style/sources/geojson_source.hpp>
+#include <mbgl/util/geo.hpp>
+#include <mbgl/util/geojson.hpp>
+#include <mbgl/util/variant.hpp>
+
+namespace mbgl {
+namespace style {
+
+struct Error { std::string message; };
+
+using FetchTileResult = variant<
+    mapbox::geojson::geojson,
+    Error>;
+
+using FetchTileCallback = std::function<void(const CanonicalTileID& tileID, const FetchTileResult&)>;
+using FetchTileFunction = std::function<void(const CanonicalTileID&, FetchTileCallback)>;
+
+class CustomVectorSource : public Source {
+public:
+    CustomVectorSource(std::string id,
+                       GeoJSONOptions options,
+                       FetchTileFunction fetchTile);
+
+    void loadDescription(FileSource&) final;
+
+    // Private implementation
+    class Impl;
+    const Impl& impl() const;
+};
+
+template <>
+inline bool Source::is<CustomVectorSource>() const {
+    return getType() == SourceType::CustomVector;
+}
+
+} // namespace style
+} // namespace mbgl