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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 <unordered_map>
#include <vector>
#include <map>
#include <memory>
namespace mbgl {
class Painter;
class TransformState;
class RenderTile;
class RenderedQueryOptions;
class SourceQueryOptions;
class Tile;
class RenderSourceObserver;
class TileParameters;
namespace algorithm {
class ClipIDGenerator;
} // namespace algorithm
class RenderSource : protected TileObserver {
public:
RenderSource(Immutable<style::Source::Impl>);
~RenderSource() override = default;
virtual bool isLoaded() const = 0;
// Called when the camera has changed. May load new tiles, unload obsolete tiles, or
// trigger re-placement of existing complete tiles.
virtual void updateTiles(const TileParameters&) = 0;
// Removes all tiles (by putting them into the cache).
virtual void removeTiles() = 0;
// Remove all tiles and clear the cache.
virtual void invalidateTiles() = 0;
// Request that all loaded tiles re-run the layout operation on the existing source
// data with fresh style information.
virtual void reloadTiles() = 0;
virtual void startRender(algorithm::ClipIDGenerator&,
const mat4& projMatrix,
const mat4& clipMatrix,
const TransformState&) = 0;
virtual void finishRender(Painter&) = 0;
virtual std::map<UnwrappedTileID, RenderTile>& getRenderTiles() = 0;
virtual std::unordered_map<std::string, std::vector<Feature>>
queryRenderedFeatures(const ScreenLineString& geometry,
const TransformState& transformState,
const RenderedQueryOptions& options) const = 0;
virtual std::vector<Feature>
querySourceFeatures(const SourceQueryOptions&) const = 0;
virtual void setCacheSize(size_t) = 0;
virtual void onLowMemory() = 0;
virtual void dumpDebugLogs() const = 0;
void setObserver(RenderSourceObserver*);
Immutable<style::Source::Impl> baseImpl;
void setImpl(Immutable<style::Source::Impl>);
bool enabled = false;
protected:
RenderSourceObserver* observer;
void onTileChanged(Tile&) final;
void onTileError(Tile&, std::exception_ptr) final;
};
} // namespace mbgl
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