Repo created

libs/drape_frontend/tile_info.hpp

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+#pragma once
+
+#include "drape_frontend/custom_features_context.hpp"
+#include "drape_frontend/engine_context.hpp"
+#include "drape_frontend/tile_key.hpp"
+
+#include "indexer/feature_decl.hpp"
+
+#include "base/exception.hpp"
+#include "base/macros.hpp"
+
+#include <atomic>
+#include <set>
+#include <vector>
+
+class FeatureType;
+
+namespace df
+{
+class MapDataProvider;
+class Stylist;
+
+class TileInfo
+{
+public:
+  DECLARE_EXCEPTION(ReadCanceledException, RootException);
+
+  TileInfo(drape_ptr<EngineContext> && engineContext);
+
+  void ReadFeatures(MapDataProvider const & model);
+  void Cancel();
+  bool IsCancelled() const;
+
+  m2::RectD GetGlobalRect() const;
+  TileKey const & GetTileKey() const { return m_context->GetTileKey(); }
+  bool operator<(TileInfo const & other) const { return GetTileKey() < other.GetTileKey(); }
+
+private:
+  void ReadFeatureIndex(MapDataProvider const & model);
+  void ThrowIfCancelled() const;
+  bool DoNeedReadIndex() const;
+
+  int GetZoomLevel() const;
+
+private:
+  drape_ptr<EngineContext> m_context;
+  std::vector<FeatureID> m_featureInfo;
+  std::atomic<bool> m_isCanceled;
+  std::set<MwmSet::MwmId> m_mwms;
+
+  DISALLOW_COPY_AND_MOVE(TileInfo);
+};
+}  // namespace df