1 files changed, 145 insertions, 0 deletions
diff --git a/src/libs/engine/events/DisconnectPortEvent.cpp b/src/libs/engine/events/DisconnectPortEvent.cpp
new file mode 100644
index 00000000..a4c213d5
--- /dev/null
+++ b/src/libs/engine/events/DisconnectPortEvent.cpp
@@ -0,0 +1,145 @@
+/* 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
+ */
+
+#include "DisconnectPortEvent.h"
+#include <iostream>
+#include "Responder.h"
+#include "Om.h"
+#include "OmApp.h"
+#include "Maid.h"
+#include "List.h"
+#include "Node.h"
+#include "Connection.h"
+#include "DisconnectionEvent.h"
+#include "Port.h"
+#include "Array.h"
+#include "InputPort.h"
+#include "OutputPort.h"
+#include "Patch.h"
+#include "ClientBroadcaster.h"
+#include "util.h"
+#include "ObjectStore.h"
+#include "util/Path.h"
+
+using std::cerr; using std::endl;
+
+namespace Om {
+
+
+DisconnectPortEvent::DisconnectPortEvent(CountedPtr<Responder> responder, const string& port_path)
+: QueuedEvent(responder),
+  m_port_path(port_path),
+  m_patch(NULL),
+  m_port(NULL),
+  m_process_order(NULL),
+  m_succeeded(true),
+  m_lookup(true)
+{
+}
+
+
+DisconnectPortEvent::DisconnectPortEvent(Port* port)
+: QueuedEvent(),
+  m_port_path(""),
+  m_patch((port->parent_node() == NULL) ? NULL : port->parent_node()->parent_patch()),
+  m_port(port),
+  m_process_order(NULL),
+  m_succeeded(true),
+  m_lookup(false)
+{
+	//cerr << "DisconnectPortEvent()\n";
+}
+
+
+DisconnectPortEvent::~DisconnectPortEvent()
+{
+	for (List<DisconnectionEvent*>::iterator i = m_disconnection_events.begin(); i != m_disconnection_events.end(); ++i)
+		delete (*i);
+}
+
+
+void
+DisconnectPortEvent::pre_process()
+{
+	// cerr << "Preparing disconnection event...\n";
+	
+	if (m_lookup) {
+		m_patch = om->object_store()->find_patch(m_port_path.parent().parent());
+	
+		if (m_patch == NULL) {
+			m_succeeded = false;
+			QueuedEvent::pre_process();
+			return;
+		}
+		
+		m_port = om->object_store()->find_port(m_port_path);
+		
+		if (m_port == NULL) {
+			m_succeeded = false;
+			QueuedEvent::pre_process();
+			return;
+		}
+	}
+
+	if (m_patch == NULL) {
+		m_succeeded = false;
+		QueuedEvent::pre_process();
+		return;
+	}
+	
+	Connection* c = NULL;
+	for (List<Connection*>::const_iterator i = m_patch->connections().begin(); i != m_patch->connections().end(); ++i) {
+		c = (*i);
+		if ((c->src_port() == m_port || c->dst_port() == m_port) && !c->pending_disconnection()) {
+			DisconnectionEvent* ev = new DisconnectionEvent(CountedPtr<Responder>(new Responder()), c->src_port(), c->dst_port());
+			ev->pre_process();
+			m_disconnection_events.push_back(new ListNode<DisconnectionEvent*>(ev));
+			c->pending_disconnection(true);
+		}
+	}
+
+	m_succeeded = true;
+	QueuedEvent::pre_process();	
+}
+
+
+void
+DisconnectPortEvent::execute(samplecount offset)
+{
+	if (m_succeeded) {
+		for (List<DisconnectionEvent*>::iterator i = m_disconnection_events.begin(); i != m_disconnection_events.end(); ++i)
+			(*i)->execute(offset);
+	}
+	
+	QueuedEvent::execute(offset);
+}
+
+
+void
+DisconnectPortEvent::post_process()
+{
+	if (m_succeeded) {
+		m_responder->respond_ok();
+		for (List<DisconnectionEvent*>::iterator i = m_disconnection_events.begin(); i != m_disconnection_events.end(); ++i)
+			(*i)->post_process();
+	} else {
+		m_responder->respond_error("Unable to disconnect port.");
+	}
+}
+
+
+} // namespace Om
+