From 98fe0e7056e6697396249531785d3899f94d79be Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 10 Jun 2006 01:52:02 +0000
Subject: More juggling

git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1
---
 src/libs/engine/BridgeNode.cpp | 159 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 src/libs/engine/BridgeNode.cpp

(limited to 'src/libs/engine/BridgeNode.cpp')

diff --git a/src/libs/engine/BridgeNode.cpp b/src/libs/engine/BridgeNode.cpp
new file mode 100644
index 00000000..776bcc92
--- /dev/null
+++ b/src/libs/engine/BridgeNode.cpp
@@ -0,0 +1,159 @@
+/* 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 "BridgeNode.h"
+//#include "ClientBroadcaster.h"
+#include "Plugin.h"
+#include "Patch.h"
+#include "Om.h"
+#include "OmApp.h"
+#include "Maid.h"
+#include "Driver.h"
+#include "PortInfo.h"
+#include <cassert>
+
+namespace Om {
+
+template <typename T>
+BridgeNode<T>::BridgeNode(const string& path, size_t poly, Patch* parent, samplerate srate, size_t buffer_size)
+: InternalNode(path,
+	(parent->parent_patch() == NULL || poly != parent->parent_patch()->poly()) ? 1 : poly,
+	//poly,
+	parent, srate, buffer_size),
+  m_driver_port(NULL),
+  m_listnode(NULL),
+  m_external_port(NULL)
+{
+	//cerr << "Creating bridge node " << path << " - polyphony: " << m_poly << endl;
+	m_listnode = new ListNode<InternalNode*>(this);
+}
+template
+BridgeNode<sample>::BridgeNode(const string& path, size_t poly, Patch* parent, samplerate srate, size_t buffer_size);
+template
+BridgeNode<MidiMessage>::BridgeNode(const string& path, size_t poly, Patch* parent, samplerate srate, size_t buffer_size);
+
+
+template <typename T>
+BridgeNode<T>::~BridgeNode()
+{
+	delete m_driver_port;
+}
+template BridgeNode<sample>::~BridgeNode();
+template BridgeNode<MidiMessage>::~BridgeNode();
+
+
+template <typename T>
+void
+BridgeNode<T>::activate()
+{
+	assert(om->template driver<T>() != NULL);
+	assert(m_external_port != NULL); // Derived classes must create this
+	assert(parent_patch() != NULL);
+	
+	if (parent_patch()->parent() == NULL && om != NULL)
+		m_driver_port = om->template driver<T>()->create_port(m_external_port);
+
+	InternalNode::activate();
+}
+
+
+template <typename T>
+void
+BridgeNode<T>::deactivate()
+{
+	if (m_is_added)
+		remove_from_patch();
+	
+	InternalNode::deactivate();
+	
+	if (m_driver_port != NULL) {
+		delete m_driver_port;
+		m_driver_port = NULL;
+	}
+}
+
+	
+template <typename T>
+void
+BridgeNode<T>::add_to_patch()
+{
+	assert(parent_patch() != NULL);
+	
+	parent_patch()->add_bridge_node(m_listnode);
+
+	InternalNode::add_to_patch();
+	
+	// Activate driver port now in the audio thread (not before when created, to avoid race issues)
+	if (m_driver_port != NULL)
+		m_driver_port->add_to_driver();
+}
+
+
+template <typename T>
+void
+BridgeNode<T>::remove_from_patch()
+{
+	assert(parent_patch() != NULL);
+	
+	if (m_is_added) {
+		if (m_driver_port != NULL)
+			m_driver_port->remove_from_driver();
+		ListNode<InternalNode*>* ln = NULL;
+		ln = parent_patch()->remove_bridge_node(this);
+		
+		om->maid()->push(ln);
+		m_listnode = NULL;
+		
+	}
+	InternalNode::remove_from_patch();
+}
+
+
+template <typename T>
+void
+BridgeNode<T>::set_path(const Path& new_path)
+{
+	InternalNode::set_path(new_path);
+	
+	m_external_port->set_path(new_path);
+
+	if (m_driver_port != NULL)
+		m_driver_port->set_name(path().c_str());
+}
+
+
+#if 0
+template <typename T>
+void
+BridgeNode<T>::send_creation_messages(ClientInterface* client) const
+{
+	InternalNode::send_creation_messages(client);
+	om->client_broadcaster()->send_new_port_to(client, m_external_port);
+	
+	// Send metadata
+	for (map<string, string>::const_iterator i = metadata().begin(); i != metadata().end(); ++i)
+		om->client_broadcaster()->send_metadata_update_to(client, path(), (*i).first, (*i).second);
+	
+	// Send control value (if necessary)
+	//if (m_external_port->port_info()->is_control())
+	//	om->client_broadcaster()->send_control_change_to(client, path(),
+	//		((PortBase<sample>*)m_external_port)->buffer(0)->value_at(0));
+}
+#endif
+
+
+} // namespace Om
+
-- 
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