//-----------------------------------------------------------------------------
// Removes all instances of a callable from the CListenerManager vector.
//-----------------------------------------------------------------------------
void CListenerManager::UnregisterListener(PyObject* pCallable)
{
// Get the object instance of the callable
object oCallable = object(handle<>(borrowed(pCallable)));
int index = FindCallback(oCallable); //m_vecCallables.Find(oCallable);
if (index == -1) {
BOOST_RAISE_EXCEPTION(PyExc_ValueError, "Callback not registered.")
}
else {
m_vecCallables.Remove(index);
}
}
void BaseSignal::OnDisconnect( CallbackBase* callback )
{
DALI_ASSERT_ALWAYS( NULL != callback && "Invalid member function pointer passed to Disconnect()" );
int index = FindCallback( callback );
if( index > INVALID_CALLBACK_INDEX )
{
DeleteConnection( index );
}
// call back is a temporary created to find which slot should be disconnected.
delete callback;
}
void BaseSignal::OnConnect( CallbackBase* callback )
{
DALI_ASSERT_ALWAYS( NULL != callback && "Invalid member function pointer passed to Connect()" );
int index = FindCallback( callback );
// Don't double-connect the same callback
if( INVALID_CALLBACK_INDEX == index )
{
// create a new signal connection object, to allow the signal to track the connection.
SignalConnection* connection = new SignalConnection( callback );
mSignalConnections.push_back( connection );
}
else
{
// clean-up required
delete callback;
}
}
void BaseSignal::OnDisconnect( ConnectionTrackerInterface* tracker, CallbackBase* callback )
{
DALI_ASSERT_ALWAYS( NULL != tracker && "Invalid ConnectionTrackerInterface pointer passed to Disconnect()" );
DALI_ASSERT_ALWAYS( NULL != callback && "Invalid member function pointer passed to Disconnect()" );
int index = FindCallback( callback );
if( index > INVALID_CALLBACK_INDEX )
{
// temporary pointer to disconnected callback
CallbackBase* disconnectedCallback = mSignalConnections[index]->GetCallback();
// close the signal side connection first.
DeleteConnection( index );
// close the slot side connection
tracker->SignalDisconnected( this, disconnectedCallback );
}
// call back is a temporary created to find which slot should be disconnected.
delete callback;
}
void BaseSignal::OnConnect( ConnectionTrackerInterface* tracker, CallbackBase* callback )
{
DALI_ASSERT_ALWAYS( NULL != tracker && "Invalid ConnectionTrackerInterface pointer passed to Connect()" );
DALI_ASSERT_ALWAYS( NULL != callback && "Invalid member function pointer passed to Connect()" );
int index = FindCallback( callback );
// Don't double-connect the same callback
if( INVALID_CALLBACK_INDEX == index )
{
// create a new signal connection object, to allow the signal to track the connection.
SignalConnection* connection = new SignalConnection( tracker, callback );
mSignalConnections.push_back( connection );
// Let the connection tracker know that a connection between a signal and a slot has been made.
tracker->SignalConnected( this, callback );
}
else
{
// clean-up required
delete callback;
}
}
//-----------------------------------------------------------------------------
// Return whether or not the given callback is registered.
//-----------------------------------------------------------------------------
bool CListenerManager::IsRegistered(object oCallback)
{
return FindCallback(oCallback) != -1;
//return m_vecCallables.HasElement(oCallback);
}