/*
    Copyright (C) 1998-99 Paul Barton-Davis 

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id$
*/

#include <vector>

#include "pbd/receiver.h"
#include "pbd/transmitter.h"

using namespace sigc;

Receiver::Receiver () {}

Receiver::~Receiver ()

{
	hangup ();
}

void
Receiver::hangup ()
{
	vector<sigc::connection *>::iterator i;

	for (i = connections.begin(); i != connections.end (); i++) {
		(*i)->disconnect ();
		delete *i;
	}

	connections.erase (connections.begin(), connections.end());
}

void
Receiver::listen_to (Transmitter &transmitter)

{
	sigc::connection *c = new sigc::connection;

	(*c) = transmitter.sender().connect(mem_fun(*this, &Receiver::receive));

	connections.push_back (c);
}