Repo created

libs/drape_frontend/metaline_manager.hpp

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+#pragma once
+
+#include "drape_frontend/read_metaline_task.hpp"
+
+#include "drape/drape_routine.hpp"
+#include "drape/pointers.hpp"
+
+#include "indexer/feature_decl.hpp"
+
+#include <memory>
+#include <mutex>
+#include <set>
+
+namespace df
+{
+class ThreadsCommutator;
+
+class MetalineManager
+{
+public:
+  MetalineManager(ref_ptr<ThreadsCommutator> commutator, MapDataProvider & model);
+  ~MetalineManager();
+
+  void Stop();
+
+  void Update(std::set<MwmSet::MwmId> const & mwms);
+
+  m2::SharedSpline GetMetaline(FeatureID const & fid) const;
+
+private:
+  void OnTaskFinished(std::shared_ptr<ReadMetalineTask> const & task);
+
+  MapDataProvider & m_model;
+  ref_ptr<ThreadsCommutator> m_commutator;
+
+  dp::ActiveTasks<ReadMetalineTask> m_activeTasks;
+
+  MetalineCache m_metalineCache;
+  mutable std::mutex m_metalineCacheMutex;
+
+  std::set<MwmSet::MwmId> m_mwms;
+  std::mutex m_mwmsMutex;
+};
+}  // namespace df