rollback to 3428, before the mysterious removal of libs/* at 3431/3432

git-svn-id: svn://localhost/ardour2/branches/3.0@3435 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 58 insertions, 0 deletions

diff --git a/libs/pbd/receiver.cc b/libs/pbd/receiver.cc
new file mode 100644
index 0000000000..5e7c10de70
--- /dev/null
+++ b/libs/pbd/receiver.cc
@@ -0,0 +1,58 @@
+/*
+    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);
+}