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#pragma once
#include <mbgl/style/sources/custom_geometry_source.hpp>
#include <mbgl/tile/tile_id.hpp>
#include <mbgl/util/geo.hpp>
#include <mbgl/util/geojson.hpp>
#include <mbgl/actor/actor_ref.hpp>
#include <map>
namespace mbgl {
namespace style {
using SetTileDataFunction = std::function<void(const GeoJSON&)>;
class CustomTileLoader : private util::noncopyable {
public:
using OverscaledIDFunctionTuple = std::tuple<uint8_t, int16_t, ActorRef<SetTileDataFunction>>;
CustomTileLoader(const TileFunction& fetchTileFn, const TileFunction& cancelTileFn);
void fetchTile(const OverscaledTileID& tileID, ActorRef<SetTileDataFunction> callbackRef);
void cancelTile(const OverscaledTileID& tileID);
void removeTile(const OverscaledTileID& tileID);
void setTileData(const CanonicalTileID& tileID, const GeoJSON& data);
void invalidateTile(const CanonicalTileID&);
void invalidateRegion(const LatLngBounds&, Range<uint8_t>);
private:
void invokeTileFetch(const CanonicalTileID& tileID);
void invokeTileCancel(const CanonicalTileID& tileID);
TileFunction fetchTileFunction;
TileFunction cancelTileFunction;
std::unordered_map<CanonicalTileID, std::vector<OverscaledIDFunctionTuple>> tileCallbackMap;
// Keep around a cache of tile data to serve back for wrapped and over-zooomed tiles
std::map<CanonicalTileID, std::unique_ptr<GeoJSON>> dataCache;
};
} // namespace style
} // namespace mbgl
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