private void HandleLocationStatusChangedEvent()

in Backend/src/System.Device/Location/GeoCoordinateWatcherInternal.cs [504:567]
37 lines of code
11 McCabe index (conditional complexity)

        private void HandleLocationStatusChangedEvent(ReportStatus newStatus)
        {
            lock (this.InternalSyncObject)
            {
                //
                // If we are registered for civic address reports and a latlong provider
                // has become available, then unregister for civic address reports
                //
                if (m_civicAddrRegistered && m_latLongStatus != ReportStatus.NotSupported)
                {
                    if (m_civicAddrRegistered)
                    {
                        Guid reportType = LocationReportKey.CivicAddressReport;
                        if (m_location.UnregisterForReport(ref reportType) == 0)
                        {
                            m_civicAddrRegistered = false;
                        }
                    }
                }
            }

            GeoPositionStatus prevStatus = Status;
            
            //
            // Update current status
            //
            ReportStatus status = (ReportStatus.NotSupported != m_latLongStatus) ? m_latLongStatus : m_civicAddrStatus;
            m_curStatus = m_geoStatusMap[(int)status];

            ChangePermissionFromReportStatus(status);

            if (IsStarted)
            {
                //
                // If the reported status has changed, send a status change event
                //
                if (prevStatus != Status)
                {
                    OnPositionStatusChanged(new GeoPositionStatusChangedEventArgs(Status));

                    //
                    // If we have location data and have held off sending it until the
                    // status becomes ready, send the location event now
                    //
                    if (GeoPositionStatus.Ready == Status && m_eventPending)
                    {
                        m_eventPending = false;
                        OnPositionChanged(new GeoPositionChangedEventArgs<GeoCoordinate>(m_position));
                    }

                    // 
                    // If switching to ready from a permission denied state, then the sensor may not
                    // send a location changed event. So start a worker thread to get it via a
                    // synchronous request for current data.
                    // (Note: Check m_curStatus rather than Status because Status won't be Ready
                    // if there is no location data.) 
                    //
                    if (m_curStatus == GeoPositionStatus.Ready)
                    {
                        ThreadPool.QueueUserWorkItem(new WaitCallback(this.GetLocationData), null);
                    }
                }
            }
        }