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Listener.cc

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// guard need for compilers that require template source included in header
#ifndef LISTENER_CC_TEMPLATE
#define LISTENER_CC_TEMPLATE

#include "Listener.hh"
#include "EventSender.hh"

template<typename EvType>
void 
Listener<EvType>::ignoreThisEvent()
{
    // only a valid call if processing an event
    if (! _processingEvent) return;
    
    assert( EventSender<EvType>::isSending() );
    if (! _ignoringHeardEvent) 
    {
        EventSender<EvType>::instance().incEventIgnored();
        _ignoringHeardEvent = true;
    }
    
    //assert( EventSender<EvType>::isRegistered(this) == _registered); 
}

template<typename EvType>
void 
Listener<EvType>::ignoreEvents() 
{
    if (_registered) 
    {
        EventSender<EvType>::instance().removeListener(this);
        _registered = false;
    }
    
    //assert( ! EventSender<EvType>::isRegistered(this) ); 
}

template<typename EvType>
void 
Listener<EvType>::listenForEvents() 
{
    if (!_registered) 
    {
        EventSender<EvType>::instance().registerListener(this);
        _registered = true;
    }
    
    //assert( EventSender<EvType>::isRegistered(this) ); 
}

    
#endif // LISTENER_CC_TEMPLATE

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