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#pragma once
#include <mbgl/tile/tile_id.hpp>
#include <mbgl/tile/tile_observer.hpp>
#include <mbgl/util/mat4.hpp>
#include <mbgl/util/geo.hpp>
#include <mbgl/util/feature.hpp>
#include <mbgl/style/source_impl.hpp>
#include <mbgl/style/layer_impl.hpp>
#include <unordered_map>
#include <vector>
#include <map>
#include <memory>
namespace mbgl {
class PaintParameters;
class TransformState;
class RenderTile;
class RenderLayer;
class RenderedQueryOptions;
class SourceQueryOptions;
class Tile;
class RenderSourceObserver;
class TileParameters;
class RenderSource : protected TileObserver {
public:
static std::unique_ptr<RenderSource> create(Immutable<style::Source::Impl>);
// Check whether this source is of the given subtype.
template <class T>
bool is() const;
// Dynamically cast this source to the given subtype.
template <class T>
T* as() {
return is<T>() ? reinterpret_cast<T*>(this) : nullptr;
}
template <class T>
const T* as() const {
return is<T>() ? reinterpret_cast<const T*>(this) : nullptr;
}
bool isEnabled() const;
virtual bool isLoaded() const = 0;
virtual void update(Immutable<style::Source::Impl>,
const std::vector<Immutable<style::Layer::Impl>>&,
bool needsRendering,
bool needsRelayout,
const TileParameters&) = 0;
virtual void startRender(PaintParameters&) = 0;
virtual void finishRender(PaintParameters&) = 0;
// Returns an unsorted list of RenderTiles.
virtual std::vector<std::reference_wrapper<RenderTile>> getRenderTiles() = 0;
virtual std::unordered_map<std::string, std::vector<Feature>>
queryRenderedFeatures(const ScreenLineString& geometry,
const TransformState& transformState,
const std::vector<const RenderLayer*>& layers,
const RenderedQueryOptions& options) const = 0;
virtual std::vector<Feature>
querySourceFeatures(const SourceQueryOptions&) const = 0;
virtual void onLowMemory() = 0;
virtual void dumpDebugLogs() const = 0;
void setObserver(RenderSourceObserver*);
Immutable<style::Source::Impl> baseImpl;
protected:
RenderSource(Immutable<style::Source::Impl>);
RenderSourceObserver* observer;
bool enabled = false;
void onTileChanged(Tile&) final;
void onTileError(Tile&, std::exception_ptr) final;
};
} // namespace mbgl
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