Method OrderCountries

libs/search/geocoder.cpp:457–528

}

Geocoder::ExtendedMwmInfos Geocoder::OrderCountries(bool inViewport, vector<MwmInfoPtr> const & infos)
{
  set<storage::CountryId> mwmsWithCities;
  set<storage::CountryId> mwmsWithStates;
  if (!inViewport)
  {
    for (auto const & p : m_cities)
      for (auto const & city : p.second)
        mwmsWithCities.insert(m_infoGetter.GetRegionCountryId(city.m_rect.Center()));
    for (auto const & p : m_regions[Region::TYPE_STATE])
      for (auto const & state : p.second)
        mwmsWithStates.insert(m_infoGetter.GetRegionCountryId(state.m_center));
  }

  auto const hasMatchedCity = [&mwmsWithCities](auto const & i)
  { return mwmsWithCities.count(i->GetCountryName()) != 0; };
  auto const hasMatchedState = [&mwmsWithStates](auto const & i)
  { return mwmsWithStates.count(i->GetCountryName()) != 0; };

  std::string locationMwm;
  if (m_params.m_position)
    locationMwm = m_infoGetter.GetRegionCountryId(*m_params.m_position);

  auto const viewportCenter = m_params.m_pivot.Center();
  std::string const viewportMwm = m_infoGetter.GetRegionCountryId(viewportCenter);

  ExtendedMwmInfos res;
  res.m_infos.reserve(infos.size());
  for (auto const & info : infos)
  {
    ExtendedMwmInfos::ExtendedMwmInfo ei;
    ei.m_info = info;

    auto const & rect = info->m_bordersRect;
    ei.m_type.m_viewportIntersected = m_params.m_pivot.IsIntersect(rect);
    ei.m_type.m_containsUserPosition = m_params.m_position && rect.IsPointInside(*m_params.m_position);
    ei.m_type.m_containsMatchedCity = hasMatchedCity(info);
    ei.m_type.m_containsMatchedState = hasMatchedState(info);

    // Order MWMs like:
    // - World
    // - containing viewport center
    // - containing user's position (except viewport search mode)
    // - less by viewport center or rect similarity

    if (info->GetType() == MwmInfo::WORLD)
      ei.m_score = -6;
    else if (info->GetCountryName() == viewportMwm)
      ei.m_score = -4;
    else if (!inViewport && ei.m_type.m_containsUserPosition)
    {
      ei.m_score = 0;
      if (info->GetCountryName() == locationMwm)
        ei.m_score = -2;
    }
    else
      ei.m_score = GetDistanceMeters(viewportCenter, rect);