Method GetRouteFollowingInfo

libs/routing/routing_session.cpp:405–501

}

void RoutingSession::GetRouteFollowingInfo(FollowingInfo & info) const
{
  CHECK_THREAD_CHECKER(m_threadChecker, ());

  ASSERT(m_route, ());

  if (!m_route->IsValid())
  {
    // Nothing should be displayed on the screen about turns if these lines are executed.
    info = FollowingInfo();
    info.m_routingSessionState = m_state;
    info.m_indexOfNextStop = -1; // Invalid next stop index.
    return;
  }

  if (!IsNavigable())
  {
    info = FollowingInfo();
    info.m_distToTarget = platform::Distance::CreateFormatted(m_route->GetTotalDistanceMeters());
    info.m_time = static_cast<int>(std::max(kMinimumETASec, m_route->GetCurrentTimeToEndSec()));
    info.m_routingSessionState = m_state;
    info.m_indexOfNextStop = -1; // Invalid next stop index.
    return;
  }

  info.m_distToTarget = platform::Distance::CreateFormatted(m_route->GetCurrentDistanceToEndMeters());

  double distanceToTurnMeters = 0.;
  turns::TurnItem turn;
  m_route->GetNearestTurn(distanceToTurnMeters, turn);
  info.m_distToTurn = platform::Distance::CreateFormatted(distanceToTurnMeters);
  info.m_turn = turn.m_turn;

  info.m_speedLimitMps = GetCurrentSpeedLimit();

  // The turn after the next one.
  if (m_routingSettings.m_showTurnAfterNext)
    info.m_nextTurn = m_turnNotificationsMgr.GetSecondTurnNotification();
  else
    info.m_nextTurn = routing::turns::CarDirection::None;

  info.m_exitNum = turn.m_exitNum;
  info.m_time = static_cast<int>(std::max(kMinimumETASec, m_route->GetCurrentTimeToEndSec()));
  RouteSegment::RoadNameInfo currentRoadNameInfo, nextRoadNameInfo, nextNextRoadNameInfo;
  m_route->GetCurrentStreetName(currentRoadNameInfo);
  GetFullRoadName(currentRoadNameInfo, info.m_currentStreetName);
  m_route->GetNextTurnStreetName(nextRoadNameInfo);
  GetFullRoadName(nextRoadNameInfo, info.m_nextStreetName);
  m_route->GetNextNextTurnStreetName(nextNextRoadNameInfo);
  GetFullRoadName(nextNextRoadNameInfo, info.m_nextNextStreetName);

  info.m_completionPercent = GetCompletionPercent();

  // Lane information.
  info.m_lanes.clear();
  if (distanceToTurnMeters < kShowLanesMinDistInMeters || m_route->GetCurrentTimeToNearestTurnSec() < 60.0)
    info.m_lanes = turn.m_lanes;