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+/* AlsaPortDevice.java -- ALSA MIDI Port Devices
+ Copyright (C) 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath 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, or (at your option)
+any later version.
+
+GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.javax.sound.midi.alsa;
+
+import javax.sound.midi.MidiDevice;
+import javax.sound.midi.MidiMessage;
+import javax.sound.midi.Receiver;
+import javax.sound.midi.Transmitter;
+
+// FIXME: This next import is only rquired for gcj it seems.
+import javax.sound.midi.MidiDevice.Info;
+
+import gnu.javax.sound.midi.alsa.AlsaMidiDeviceProvider.AlsaPortInfo;
+
+/**
+ * ALSA Port Device
+ *
+ * @author Anthony Green (green@redhat.com)
+ *
+ */
+public abstract class AlsaPortDevice implements MidiDevice
+{
+ /**
+ * The ALSA Receiver class.
+ *
+ * @author Anthony Green (green@redhat.com)
+ *
+ */
+ public class AlsaReceiver implements Receiver
+ {
+ /* (non-Javadoc)
+ * @see javax.sound.midi.Receiver#send(javax.sound.midi.MidiMessage, long)
+ */
+ public void send(MidiMessage message, long timeStamp)
+ throws IllegalStateException
+ {
+ // TODO Auto-generated method stub
+
+ }
+
+ /* (non-Javadoc)
+ * @see javax.sound.midi.Receiver#close()
+ */
+ public void close()
+ {
+ // TODO Auto-generated method stub
+
+ }
+ }
+
+ AlsaMidiDeviceProvider.AlsaPortInfo info;
+
+ public AlsaPortDevice (AlsaPortInfo info)
+ {
+ this.info = info;
+ }
+
+ public Info getDeviceInfo()
+ {
+ return info;
+ }
+
+ native void run_receiver_thread_ (long client, long port, Receiver receiver);
+
+ /**
+ * The ALSA Transmitter class.
+ *
+ * @author Anthony Green (green@redhat.com)
+ *
+ */
+ protected class AlsaTransmitter implements Transmitter, Runnable
+ {
+ private Receiver receiver;
+
+ public void run()
+ {
+ run_receiver_thread_ (info.client, info.port, receiver);
+ }
+
+ /* (non-Javadoc)
+ * @see javax.sound.midi.Transmitter#setReceiver(javax.sound.midi.Receiver)
+ */
+ public void setReceiver(Receiver receiver)
+ {
+ synchronized (this)
+ {
+ this.receiver = receiver;
+ }
+
+ // Create the processing thread
+ new Thread(this).start();
+ }
+
+ /* (non-Javadoc)
+ * @see javax.sound.midi.Transmitter#getReceiver()
+ */
+ public Receiver getReceiver()
+ {
+ synchronized (this)
+ {
+ return receiver;
+ }
+ }
+
+ /* (non-Javadoc)
+ * @see javax.sound.midi.Transmitter#close()
+ */
+ public void close()
+ {
+ synchronized (this)
+ {
+ receiver.close();
+ receiver = null;
+ }
+ }
+ }
+}