void ossimROIEventListener::processEvent(ossimEvent& event)
{
if(event.isConsumed()) return;
ossimROIEvent* roiEvent = PTR_CAST(ossimROIEvent,
&event);
if(roiEvent)
{
const int type = roiEvent->getEventType();
switch ( type )
{
case ossimROIEvent::OSSIM_RECTANGLE_ROI:
handleRectangleROIEvent( *roiEvent );
break;
case ossimROIEvent::OSSIM_POLYGON_ROI:
handlePolygonROIEvent( *roiEvent );
break;
case ossimROIEvent::OSSIM_POLYLINE_ROI:
handlePolylineROIEvent( *roiEvent );
break;
default:
break;
}
}
}
void ossimImageChainChildListener::processEvent(ossimEvent& event)
{
if(!theChain) return;
ossimConnectableObjectListener::processEvent(event);
ossimConnectableObject* obj = PTR_CAST(ossimConnectableObject,
event.getCurrentObject());
if((ossimConnectableObject*)theChain->getFirstSource() == obj)
{
if(event.isPropagatingToOutputs())
{
ossimConnectableObject::ConnectableObjectList& outputList = theChain->getOutputList();
ossim_uint32 idx = 0;
for(idx = 0; idx < outputList.size();++idx)
{
if(outputList[idx].valid())
{
outputList[idx]->fireEvent(event);
outputList[idx]->propagateEventToOutputs(event);
}
}
}
}
}
void ossimImageAoiListener::processEvent(ossimEvent& event)
{
switch(event.getId())
{
case OSSIM_EVENT_AOI_RECTANGLE_ID:
{
ossimImageRectangleEvent* eventCast = static_cast<ossimImageRectangleEvent*>(&event);
imageRectangleEvent(*eventCast);
break;
}
case OSSIM_EVENT_AOI_POLYGON_ID:
{
ossimImagePolygonEvent* eventCast = static_cast<ossimImagePolygonEvent*>(&event);
imagePolygonEvent(*eventCast);
break;
}
default:
{
ossimListener::processEvent(event);
break;
}
}
}
void ossimListenerManager::fireEvent(ossimEvent& event)
{
// only process the event if it has not been consumed.
event.setCurrentObject( dynamic_cast<ossimObject*>(this) );
if(event.isConsumed())
{
return;
}
theFireEventFlag = true;
std::list<ossimListener*>::iterator currentIterator = theListenerList.begin();
while(currentIterator != theListenerList.end())
{
// only fire if the event is not consumed
if(!event.isConsumed())
{
if(*currentIterator)
{
if(theDelayedRemove.end()==std::find(theDelayedRemove.begin(),
theDelayedRemove.end(),
(*currentIterator)))
{
if((*currentIterator)->isListenerEnabled())
{
(*currentIterator)->processEvent(event);
}
}
}
}
else
{
// the event is now consumed so stop propagating.
//
theFireEventFlag = false;
break;
}
++currentIterator;
}
theFireEventFlag = false;
if(theDelayedAdd.size())
{
for(std::list<ossimListener*>::iterator current = theDelayedAdd.begin();
current != theDelayedAdd.end();++current)
{
addListener(*current);
}
theDelayedAdd.clear();
}
if(theDelayedRemove.size())
{
for(std::list<ossimListener*>::iterator current = theDelayedRemove.begin();
current != theDelayedRemove.end();++current)
{
removeListener(*current);
}
theDelayedRemove.clear();
}
}