New cpp folder structure

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

libs/drape_frontend/read_mwm_task.cpp

@@ -0,0 +1,58 @@
+#include "drape_frontend/read_mwm_task.hpp"
+
+namespace df
+{
+ReadMWMTask::ReadMWMTask(MapDataProvider & model)
+  : m_model(model)
+{
+#ifdef DEBUG
+  m_checker = false;
+#endif
+}
+
+void ReadMWMTask::Init(std::shared_ptr<TileInfo> const & tileInfo)
+{
+  m_tileInfo = tileInfo;
+  m_tileKey = tileInfo->GetTileKey();
+#ifdef DEBUG
+  m_checker = true;
+#endif
+}
+
+void ReadMWMTask::Reset()
+{
+#ifdef DEBUG
+  m_checker = false;
+#endif
+  m_tileInfo.reset();
+  IRoutine::Reset();
+}
+
+bool ReadMWMTask::IsCancelled() const
+{
+  std::shared_ptr<TileInfo> tile = m_tileInfo.lock();
+  if (tile == nullptr)
+    return true;
+
+  return tile->IsCancelled() || IRoutine::IsCancelled();
+}
+
+void ReadMWMTask::Do()
+{
+#ifdef DEBUG
+  ASSERT(m_checker, ());
+#endif
+
+  std::shared_ptr<TileInfo> tile = m_tileInfo.lock();
+  if (tile == nullptr)
+    return;
+  try
+  {
+    tile->ReadFeatures(m_model);
+  }
+  catch (TileInfo::ReadCanceledException &)
+  {
+    return;
+  }
+}
+}  // namespace df