rem: void KMMessage::setTransferInProgress( bool value, bool force ) { if ( force && !value ) mTransferInProgress = 0; else value ? ++mTransferInProgress : --mTransferInProgress; if ( mTransferInProgress < 0 ) mTransferInProgress = 0; }
add: virtual void setTransferInProgress(bool value) { mTransferInProgress = value; }
context: void KMMessage::setTransferInProgress( bool value, bool force ){  if ( force && !value )    mTransferInProgress = 0;  else    value ? ++mTransferInProgress : --mTransferInProgress;  if ( mTransferInProgress < 0 )    mTransferInProgress = 0;}