1 files changed, 46 insertions, 0 deletions
diff --git a/src/mbgl/sprite/sprite_loader.hpp b/src/mbgl/sprite/sprite_loader.hpp
new file mode 100644
index 0000000000..dbebede03b
--- /dev/null
+++ b/src/mbgl/sprite/sprite_loader.hpp
@@ -0,0 +1,46 @@
+#pragma once
+
+#include <mbgl/util/noncopyable.hpp>
+#include <mbgl/style/image.hpp>
+
+#include <string>
+#include <map>
+#include <set>
+#include <unordered_map>
+#include <array>
+#include <memory>
+
+namespace mbgl {
+
+class Scheduler;
+class FileSource;
+class SpriteLoaderObserver;
+
+class SpriteLoader : public util::noncopyable {
+public:
+    using Images = std::unordered_map<std::string, std::unique_ptr<style::Image>>;
+
+    SpriteLoader(float pixelRatio);
+    ~SpriteLoader();
+
+    void load(const std::string& url, Scheduler&, FileSource&);
+
+    void setObserver(SpriteLoaderObserver*);
+
+private:
+    void emitSpriteLoadedIfComplete();
+
+    // Invoked by SpriteAtlasWorker
+    friend class SpriteLoaderWorker;
+    void onParsed(Images&& result);
+    void onError(std::exception_ptr);
+
+    const float pixelRatio;
+
+    struct Loader;
+    std::unique_ptr<Loader> loader;
+
+    SpriteLoaderObserver* observer = nullptr;
+};
+
+} // namespace mbgl