Method LoadRoutePoints

libs/map/routing_manager.cpp:1499–1571

}

void RoutingManager::LoadRoutePoints(LoadRouteHandler const & handler)
{
  GetPlatform().RunTask(Platform::Thread::File, [this, handler]()
  {
    if (!HasSavedRoutePoints())
    {
      if (handler)
        handler(false /* success */);
      return;
    }

    // Delete file after loading.
    auto const fileName = GetPlatform().SettingsPathForFile(kRoutePointsFile);
    SCOPE_GUARD(routePointsFileGuard, bind(&FileWriter::DeleteFileX, cref(fileName)));

    string data;
    try
    {
      ReaderPtr<Reader>(GetPlatform().GetReader(fileName)).ReadAsString(data);
    }
    catch (RootException const & ex)
    {
      LOG(LWARNING, ("Loading road points failed:", ex.Msg()));
      if (handler)
        handler(false /* success */);
      return;
    }

    auto points = DeserializeRoutePoints(data);
    if (handler && points.empty())
    {
      handler(false /* success */);
      return;
    }

    GetPlatform().RunTask(Platform::Thread::Gui, [this, handler, points = std::move(points)]() mutable
    {
      ASSERT(m_bmManager != nullptr, ());
      // If we have found my position and the saved route used the user's position, we use my position as start point.
      bool routeUsedPosition = false;
      auto const & myPosMark = m_bmManager->MyPositionMark();
      auto editSession = m_bmManager->GetEditSession();
      editSession.ClearGroup(UserMark::Type::ROUTING);
      for (auto & p : points)
      {
        // Check if the saved route used the user's position
        if (p.m_replaceWithMyPositionAfterRestart && p.m_pointType == RouteMarkType::Start)
          routeUsedPosition = true;

        if (p.m_replaceWithMyPositionAfterRestart && p.m_pointType == RouteMarkType::Start && myPosMark.HasPosition())
        {
          RouteMarkData startPt;
          startPt.m_pointType = RouteMarkType::Start;
          startPt.m_isMyPosition = true;
          startPt.m_position = myPosMark.GetPivot();
          AddRoutePoint(std::move(startPt));
        }
        else