1 files changed, 32 insertions, 0 deletions
diff --git a/src/mbgl/tile/vector_tile_source.cpp b/src/mbgl/tile/vector_tile_source.cpp
new file mode 100644
index 0000000000..9563fb7bee
--- /dev/null
+++ b/src/mbgl/tile/vector_tile_source.cpp
@@ -0,0 +1,32 @@
+#include <mbgl/tile/vector_tile_source.hpp>
+#include <mbgl/tile/vector_tile.hpp>
+#include <mbgl/storage/file_source.hpp>
+
+namespace mbgl {
+
+VectorTileSource::VectorTileSource(const OverscaledTileID& tileID_,
+                                   float pixelRatio_,
+                                   const std::string& urlTemplate_,
+                                   FileSource& fileSource_)
+    : tileID(tileID_), pixelRatio(pixelRatio_), urlTemplate(urlTemplate_), fileSource(fileSource_) {
+}
+
+std::unique_ptr<AsyncRequest>
+VectorTileSource::monitorTile(const GeometryTileSource::Callback& callback) {
+    const Resource resource = Resource::tile(urlTemplate, pixelRatio, tileID.canonical.x,
+                                             tileID.canonical.y, tileID.canonical.z);
+    return fileSource.request(resource, [callback, this](Response res) {
+        if (res.error) {
+            callback(std::make_exception_ptr(std::runtime_error(res.error->message)), nullptr,
+                     res.modified, res.expires);
+        } else if (res.notModified) {
+            return;
+        } else if (res.noContent) {
+            callback(nullptr, nullptr, res.modified, res.expires);
+        } else {
+            callback(nullptr, std::make_unique<VectorTile>(res.data), res.modified, res.expires);
+        }
+    });
+}
+
+} // namespace mbgl