#include "StdAfx.h"
#include "LBroadcaster.h"
#include "LListener.h"

LBroadcaster::LBroadcaster() {
	mBroadcasting = true;
}

LBroadcaster::LBroadcaster(const LBroadcaster& other) {
	mBroadcasting = other.mBroadcasting;
}

/*virtual*/ LBroadcaster::~LBroadcaster() {
	BroadcastMessage(0xFFFFFFFF, this);

	LArrayIterator iter(mListeners);
	LListener *listener;

	while (iter.Next(&listener)) {
		listener->RemoveBroadcaster(this);
	}
}

void LBroadcaster::AddListener(LListener* listener) {
	// bug - should pass &listener to FetchIndexOf
	if (mListeners.FetchIndexOf(listener) == 0) {
		mListeners.Add(&listener);
		listener->AddBroadcaster(this);
	}
}

void LBroadcaster::RemoveListener(LListener* listener) {
	mListeners.Remove(&listener);
	listener->RemoveBroadcaster(this);
}

void LBroadcaster::BroadcastMessage(unsigned int msg, void* data) {
	if (mBroadcasting) {
		LArrayIterator iter(mListeners);
		LListener *listener;

		while (iter.Next(&listener)) {
			if (listener->IsListening())
				listener->ListenToMessage(msg, data);
		}
	}
}