From 138a87e915ad3aff184730415105f94c874174bf Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Wed, 20 Apr 2011 16:26:40 +0000
Subject: Rename Ingen::Engine to Ingen::Server (hopefully avoid odd name
 clases and fix #675).

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@3184 a436a847-0d15-0410-975c-d299462d15a1
---
 src/server/events/CreateNode.cpp | 146 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 src/server/events/CreateNode.cpp

(limited to 'src/server/events/CreateNode.cpp')

diff --git a/src/server/events/CreateNode.cpp b/src/server/events/CreateNode.cpp
new file mode 100644
index 00000000..01d4f285
--- /dev/null
+++ b/src/server/events/CreateNode.cpp
@@ -0,0 +1,146 @@
+/* This file is part of Ingen.
+ * Copyright 2007-2011 David Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "raul/log.hpp"
+#include "raul/Maid.hpp"
+#include "raul/Path.hpp"
+#include "sord/sordmm.hpp"
+#include "shared/LV2URIMap.hpp"
+#include "CreateNode.hpp"
+#include "Request.hpp"
+#include "PatchImpl.hpp"
+#include "NodeImpl.hpp"
+#include "PluginImpl.hpp"
+#include "Engine.hpp"
+#include "PatchImpl.hpp"
+#include "NodeFactory.hpp"
+#include "ClientBroadcaster.hpp"
+#include "EngineStore.hpp"
+#include "PortImpl.hpp"
+#include "Driver.hpp"
+
+using namespace std;
+using namespace Raul;
+
+namespace Ingen {
+namespace Server {
+namespace Events {
+
+CreateNode::CreateNode(
+		Engine&                      engine,
+		SharedPtr<Request>           request,
+		SampleCount                  timestamp,
+		const Path&                  path,
+		const URI&                   plugin_uri,
+		const Resource::Properties&  properties)
+	: QueuedEvent(engine, request, timestamp)
+	, _path(path)
+	, _plugin_uri(plugin_uri)
+	, _patch(NULL)
+	, _plugin(NULL)
+	, _node(NULL)
+	, _compiled_patch(NULL)
+	, _node_already_exists(false)
+	, _polyphonic(false)
+	, _properties(properties)
+{
+	const Resource::Properties::const_iterator p = properties.find(
+			engine.world()->uris()->ingen_polyphonic);
+	if (p != properties.end() && p->second.type() == Raul::Atom::BOOL
+			&& p->second.get_bool())
+		_polyphonic = true;
+}
+
+void
+CreateNode::pre_process()
+{
+	if (_engine.engine_store()->find_object(_path) != NULL) {
+		_node_already_exists = true;
+		QueuedEvent::pre_process();
+		return;
+	}
+
+	_patch  = _engine.engine_store()->find_patch(_path.parent());
+	_plugin = _engine.node_factory()->plugin(_plugin_uri.str());
+
+	if (_patch && _plugin) {
+
+		_node = _plugin->instantiate(*_engine.buffer_factory(), _path.symbol(), _polyphonic, _patch, _engine);
+
+		if (_node != NULL) {
+			_node->properties().insert(_properties.begin(), _properties.end());
+			_node->activate(*_engine.buffer_factory());
+
+			// This can be done here because the audio thread doesn't touch the
+			// node tree - just the process order array
+			_patch->add_node(new PatchImpl::Nodes::Node(_node));
+			_engine.engine_store()->add(_node);
+
+			// FIXME: not really necessary to build process order since it's not connected,
+			// just append to the list
+			if (_patch->enabled())
+				_compiled_patch = _patch->compile();
+		}
+	}
+
+	if (!_node)
+		_error = 1;
+
+	QueuedEvent::pre_process();
+}
+
+void
+CreateNode::execute(ProcessContext& context)
+{
+	QueuedEvent::execute(context);
+
+	if (_node) {
+		_engine.maid()->push(_patch->compiled_patch());
+		_patch->compiled_patch(_compiled_patch);
+	}
+}
+
+void
+CreateNode::post_process()
+{
+	if (!_request)
+		return;
+
+	string msg;
+	if (_node_already_exists) {
+		msg = string("Could not create node - ").append(_path.str());// + " already exists.";
+		_request->respond_error(msg);
+	} else if (_patch == NULL) {
+		msg = "Could not find patch '" + _path.parent().str() +"' to add node.";
+		_request->respond_error(msg);
+	} else if (_plugin == NULL) {
+		msg = "Unable to load node ";
+		msg += _path.str() + " (you're missing the plugin " + _plugin_uri.str() + ")";
+		_request->respond_error(msg);
+	} else if (_node == NULL) {
+		msg = "Failed to instantiate plugin " + _plugin_uri.str();
+		_request->respond_error(msg);
+	} else {
+		_request->respond_ok();
+		_engine.broadcaster()->send_object(_node, true); // yes, send ports
+	}
+}
+
+} // namespace Server
+} // namespace Ingen
+} // namespace Events
+
-- 
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