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#pragma once
#include <mbgl/style/expression/expression.hpp>
#include <mbgl/style/source.hpp>
#include <mbgl/util/constants.hpp>
#include <mbgl/util/geojson.hpp>
#include <mbgl/util/optional.hpp>
#include <memory>
#include <unordered_map>
#include <utility>
namespace mbgl {
class AsyncRequest;
namespace style {
struct GeoJSONOptions {
// GeoJSON-VT options
uint8_t minzoom = 0;
uint8_t maxzoom = 18;
uint16_t tileSize = util::tileSize;
uint16_t buffer = 128;
double tolerance = 0.375;
bool lineMetrics = false;
// Supercluster options
bool cluster = false;
uint16_t clusterRadius = 50;
uint8_t clusterMaxZoom = 17;
using ClusterExpression = std::pair<std::shared_ptr<mbgl::style::expression::Expression>,
std::shared_ptr<mbgl::style::expression::Expression>>;
using ClusterProperties = std::unordered_map<std::string, ClusterExpression>;
ClusterProperties clusterProperties;
};
class GeoJSONSource final : public Source {
public:
GeoJSONSource(const std::string& id, optional<GeoJSONOptions> = nullopt);
~GeoJSONSource() final;
void setURL(const std::string& url);
void setGeoJSON(const GeoJSON&);
optional<std::string> getURL() const;
class Impl;
const Impl& impl() const;
void loadDescription(FileSource&) final;
bool supportsLayerType(const mbgl::style::LayerTypeInfo*) const override;
mapbox::base::WeakPtr<Source> makeWeakPtr() override {
return weakFactory.makeWeakPtr();
}
private:
optional<std::string> url;
std::unique_ptr<AsyncRequest> req;
mapbox::base::WeakPtrFactory<Source> weakFactory {this};
};
template <>
inline bool Source::is<GeoJSONSource>() const {
return getType() == SourceType::GeoJSON;
}
} // namespace style
} // namespace mbgl
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