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#pragma once
#include <mbgl/tile/tile_id.hpp>
#include <mbgl/tile/tile_observer.hpp>
#include <mbgl/tile/tile.hpp>
#include <mbgl/tile/tile_cache.hpp>
#include <mbgl/style/types.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/mat4.hpp>
#include <mbgl/util/rapidjson.hpp>
#include <mbgl/util/feature.hpp>
#include <mbgl/util/range.hpp>
#include <vector>
#include <map>
namespace mbgl {
class Painter;
class FileSource;
class TransformState;
class RenderTile;
struct ClipID;
namespace algorithm {
class ClipIDGenerator;
} // namespace algorithm
namespace style {
class Style;
class UpdateParameters;
class QueryParameters;
class SourceObserver;
class Source : public TileObserver, private util::noncopyable {
public:
Source(SourceType, std::string id);
~Source() override;
bool loaded = false;
virtual void load(FileSource&) = 0;
bool isLoaded() const;
// Request or parse all the tiles relevant for the "TransformState". This method
// will return true if all the tiles were scheduled for updating of false if
// they were not. shouldReparsePartialTiles must be set to "true" if there is
// new data available that a tile in the "partial" state might be interested at.
bool update(const UpdateParameters&);
void startRender(algorithm::ClipIDGenerator&,
const mat4& projMatrix,
const TransformState&);
void finishRender(Painter&);
const std::map<UnwrappedTileID, RenderTile>& getRenderTiles() const;
Tile* getTile(const OverscaledTileID&) const;
std::unordered_map<std::string, std::vector<Feature>>
queryRenderedFeatures(const QueryParameters&) const;
void setCacheSize(size_t);
void onLowMemory();
void setObserver(SourceObserver* observer);
void dumpDebugLogs() const;
const SourceType type;
const std::string id;
bool enabled = false;
private:
// TileObserver implementation.
void onTileLoaded(Tile&, bool isNewTile) override;
void onTileError(Tile&, std::exception_ptr) override;
void onNeedsRepaint() override;
virtual uint16_t getTileSize() const = 0;
virtual Range<uint8_t> getZoomRange() = 0;
virtual std::unique_ptr<Tile> createTile(const OverscaledTileID&, const UpdateParameters&) = 0;
protected:
void invalidateTiles();
SourceObserver* observer = nullptr;
private:
// Stores the time when this source was most recently updated.
TimePoint updated = TimePoint::min();
std::map<OverscaledTileID, std::unique_ptr<Tile>> tiles;
std::map<UnwrappedTileID, RenderTile> renderTiles;
TileCache cache;
};
} // namespace style
} // namespace mbgl
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