frodo-wii/Src/gui/listener.cpp

40 lines
827 B
C++

#include <utils.hh>
#include "listener.hh"
ListenerManager::ListenerManager()
{
printf("Flushing listeners\n");
this->flushListeners();
}
void ListenerManager::registerListener(Listener *kl)
{
int n_listeners = sizeof(this->listeners) / sizeof(*this->listeners);
int i;
/* Don't register already registered listeners */
for (i = 0; i < n_listeners; i++)
if (this->listeners[i] == kl)
return;
/* Find a free spot */
for (i = 0; i < n_listeners; i++)
if (!this->listeners[i])
break;
panic_if(i == n_listeners,
"No free listeners!\n");
this->listeners[i] = kl;
}
void ListenerManager::unregisterListener(Listener *kl)
{
int n_listeners = sizeof(this->listeners) / sizeof(*this->listeners);
for (int i = 0; i < n_listeners; i++)
{
if (this->listeners[i] == kl)
this->listeners[i] = NULL;
}
}