1 files changed, 88 insertions, 0 deletions
diff --git a/src/mbgl/map/tile_data.hpp b/src/mbgl/map/tile_data.hpp
new file mode 100644
index 0000000000..1ae215b204
--- /dev/null
+++ b/src/mbgl/map/tile_data.hpp
@@ -0,0 +1,88 @@
+#ifndef MBGL_MAP_TILE_DATA
+#define MBGL_MAP_TILE_DATA
+
+#include <mbgl/map/tile.hpp>
+#include <mbgl/renderer/debug_bucket.hpp>
+#include <mbgl/geometry/debug_font_buffer.hpp>
+
+#include <mbgl/util/noncopyable.hpp>
+#include <mbgl/util/ptr.hpp>
+
+#include <atomic>
+#include <exception>
+#include <iosfwd>
+#include <string>
+#include <functional>
+
+namespace uv {
+class worker;
+}
+
+namespace mbgl {
+
+class Map;
+class FileSource;
+class Painter;
+class SourceInfo;
+class StyleLayer;
+class Request;
+
+class TileData : public std::enable_shared_from_this<TileData>,
+             private util::noncopyable {
+public:
+    struct exception : std::exception {};
+    struct geometry_too_long_exception : exception {};
+
+public:
+    typedef util::ptr<TileData> Ptr;
+
+    enum class State {
+        invalid,
+        initial,
+        loading,
+        loaded,
+        parsed,
+        obsolete
+    };
+
+public:
+    TileData(Tile::ID const& id, const SourceInfo&);
+    ~TileData();
+
+    void request(uv::worker&, FileSource&, float pixelRatio, std::function<void ()> callback);
+    void reparse(uv::worker&, std::function<void ()> callback);
+    void cancel();
+    const std::string toString() const;
+
+    inline bool ready() const {
+        return state == State::parsed;
+    }
+
+    // Override this in the child class.
+    virtual void parse() = 0;
+    virtual void render(Painter &painter, util::ptr<StyleLayer> layer_desc, const mat4 &matrix) = 0;
+    virtual bool hasData(StyleLayer const& layer_desc) const = 0;
+
+
+public:
+    const Tile::ID id;
+    const std::string name;
+    std::atomic<State> state;
+
+public:
+    const SourceInfo& source;
+
+protected:
+    std::unique_ptr<Request> req;
+    std::string data;
+
+    // Contains the tile ID string for painting debug information.
+    DebugFontBuffer debugFontBuffer;
+
+public:
+    DebugBucket debugBucket;
+};
+
+}
+
+#endif