Remove edits when remove the map

indexer/osm_editor.cpp

@@ -339,6 +339,25 @@ void Editor::ClearAllLocalEdits()
   Invalidate();
 }
 
+void Editor::OnMapDeregistered(platform::LocalCountryFile const & localFile)
+{
+  // TODO: to add some synchronization mechanism for whole Editor class
+  lock_guard<mutex> g(m_mapDeregisteredMtx);
+
+  using TFeaturePair = decltype(m_features)::value_type;
+  // Cannot search by MwmId because country already removed. So, search by country name.
+  auto const matchedMwm =
+      find_if(begin(m_features), end(m_features), [&localFile](TFeaturePair const & item) {
+        return item.first.GetInfo()->GetCountryName() == localFile.GetCountryName();
+      });
+
+  if (m_features.end() != matchedMwm)
+  {
+    m_features.erase(matchedMwm);
+    Save(GetEditorFilePath());
+  }
+}
+
 Editor::FeatureStatus Editor::GetFeatureStatus(MwmSet::MwmId const & mwmId, uint32_t index) const
 {
   // Most popular case optimization.

indexer/osm_editor.hpp

@@ -17,6 +17,7 @@
 #include "std/ctime.hpp"
 #include "std/function.hpp"
 #include "std/map.hpp"
+#include "std/mutex.hpp"
 #include "std/string.hpp"
 #include "std/vector.hpp"
 
@@ -71,6 +72,8 @@ public:
     LoadMapEdits();
   }
 
+  void OnMapDeregistered(platform::LocalCountryFile const & localFile) override;
+
   using TFeatureIDFunctor = function<void(FeatureID const &)>;
   void ForEachFeatureInMwmRectAndScale(MwmSet::MwmId const & id,
                                        TFeatureIDFunctor const & f,
@@ -215,6 +218,8 @@ private:
 
   /// Notes to be sent to osm.
   shared_ptr<editor::Notes> m_notes;
+  // Mutex which locks OnMapDeregistered method
+  mutex m_mapDeregisteredMtx;
 };  // class Editor
 
 string DebugPrint(Editor::FeatureStatus fs);