New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/drape_frontend/read_mwm_task.hpp

@@ -0,0 +1,49 @@
+#pragma once
+
+#include "drape_frontend/tile_info.hpp"
+
+#include "base/thread.hpp"
+
+#include <memory>
+
+namespace df
+{
+class ReadMWMTask : public threads::IRoutine
+{
+public:
+  explicit ReadMWMTask(MapDataProvider & model);
+
+  void Do() override;
+
+  void Init(std::shared_ptr<TileInfo> const & tileInfo);
+  void Reset() override;
+  bool IsCancelled() const override;
+  TileKey const & GetTileKey() const { return m_tileKey; }
+
+private:
+  std::weak_ptr<TileInfo> m_tileInfo;
+  TileKey m_tileKey;
+  MapDataProvider & m_model;
+
+#ifdef DEBUG
+  bool m_checker;
+#endif
+};
+
+class ReadMWMTaskFactory
+{
+public:
+  explicit ReadMWMTaskFactory(MapDataProvider & model)
+    : m_model(model)
+  {}
+
+  // Caller must handle object life cycle.
+  ReadMWMTask * GetNew() const
+  {
+    return new ReadMWMTask(m_model);
+  }
+
+private:
+  MapDataProvider & m_model;
+};
+}  // namespace df