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authorDavid Robillard <d@drobilla.net>2006-06-09 15:07:31 +0000
committerDavid Robillard <d@drobilla.net>2006-06-09 15:07:31 +0000
commitacbda29f838280ba98cf9e9e539e9d8a6e8fc6ad (patch)
treee31b37a2456e6d1e564c9a7146c88be259d338b0 /src/engine/Connection.h
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Added Om aka Graph aka god knows what
git-svn-id: http://svn.drobilla.net/lad/grauph@9 a436a847-0d15-0410-975c-d299462d15a1
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+/* This file is part of Om. Copyright (C) 2006 Dave Robillard.
+ *
+ * Om 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.
+ *
+ * Om 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 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.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef CONNECTION_H
+#define CONNECTION_H
+
+#include <cstdlib>
+#include "MaidObject.h"
+#include "util/types.h"
+
+namespace Om {
+
+class Port;
+
+
+/** Represents a single inbound connection for an InputPort.
+ *
+ * This can be a group of ports (ie coming from a polyphonic Node) or
+ * a single Port. This class exists basically as an abstraction of mixing
+ * down polyphonic inputs, so InputPort can just deal with mixing down
+ * multiple connections (oblivious to the polyphonic situation of the
+ * connection itself).
+ *
+ * \ingroup engine
+ */
+class Connection : public MaidObject
+{
+public:
+ virtual ~Connection() {}
+
+ Port* src_port() const { return m_src_port; }
+ Port* dst_port() const { return m_dst_port; }
+
+ /** Used by some (recursive) events to prevent double disconnections */
+ bool pending_disconnection() { return m_pending_disconnection; }
+ void pending_disconnection(bool b) { m_pending_disconnection = b; }
+
+protected:
+ // Disallow copies (undefined)
+ Connection(const Connection&);
+
+ Connection(Port* const src_port, Port* const dst_port);
+
+ Port* const m_src_port;
+ Port* const m_dst_port;
+ bool m_is_poly_to_mono;
+ bool m_pending_disconnection;
+};
+
+
+} // namespace Om
+
+#endif // CONNECTION_H