Method SetCallback

libs/map/gps_track.cpp:119–127

}

void GpsTrack::SetCallback(TGpsTrackDiffCallback callback)
{
  {
    lock_guard<mutex> lg(m_callbackGuard);
    m_callback = callback;
    m_needSendSnapshop = true;
  }
  ScheduleTask();
}

void GpsTrack::ScheduleTask()
{