From 952d0c985dd511050ba17f4e293faf01d7885dad Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Wed, 3 Jun 2009 00:56:34 +0000
Subject: Chop "Event" from event source file names.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@2066 a436a847-0d15-0410-975c-d299462d15a1
---
 src/engine/events/CreateNode.cpp | 148 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 src/engine/events/CreateNode.cpp

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

diff --git a/src/engine/events/CreateNode.cpp b/src/engine/events/CreateNode.cpp
new file mode 100644
index 00000000..28b50258
--- /dev/null
+++ b/src/engine/events/CreateNode.cpp
@@ -0,0 +1,148 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007-2009 Dave 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/Maid.hpp"
+#include "raul/Path.hpp"
+#include "raul/Path.hpp"
+#include "redlandmm/World.hpp"
+#include "module/World.hpp"
+#include "CreateNode.hpp"
+#include "Responder.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 "AudioDriver.hpp"
+
+using namespace std;
+using namespace Raul;
+
+namespace Ingen {
+
+using namespace Shared;
+
+CreateNodeEvent::CreateNodeEvent(
+		Engine&                      engine,
+		SharedPtr<Responder>         responder,
+		SampleCount                  timestamp,
+		const Path&                  path,
+		const URI&                   plugin_uri,
+		bool                         polyphonic,
+		const Resource::Properties&  properties)
+	: QueuedEvent(engine, responder, timestamp)
+	, _path(path)
+	, _plugin_uri(plugin_uri)
+	, _polyphonic(polyphonic)
+	, _patch(NULL)
+	, _node(NULL)
+	, _compiled_patch(NULL)
+	, _node_already_exists(false)
+	, _properties(properties)
+{
+	string uri = _plugin_uri.str();
+	if (uri.substr(0, 3) == "om:") {
+		size_t colon = 2;
+		uri = uri.substr(colon + 1);
+		if ((colon = uri.find(":")) == string::npos)
+			return;
+		_plugin_type = uri.substr(0, colon + 1);
+		_plugin_label = uri.substr(colon + 1);
+		uri = "";
+	}
+}
+
+
+void
+CreateNodeEvent::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());
+
+	PluginImpl* const plugin = (_plugin_label == "")
+			? _engine.node_factory()->plugin(_plugin_uri.str())
+			: _engine.node_factory()->plugin(_plugin_type, _plugin_lib, _plugin_label);
+
+	if (_patch && plugin) {
+
+		_node = plugin->instantiate(_path.name(), _polyphonic, _patch, _engine);
+		_node->properties().insert(_properties.begin(), _properties.end());
+
+		if (_node != NULL) {
+			_node->activate();
+
+			// 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));
+			//_node->add_to_store(_engine.engine_store());
+			_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();
+		}
+	}
+	QueuedEvent::pre_process();
+}
+
+
+void
+CreateNodeEvent::execute(ProcessContext& context)
+{
+	QueuedEvent::execute(context);
+
+	if (_node != NULL) {
+		if (_patch->compiled_patch() != NULL)
+			_engine.maid()->push(_patch->compiled_patch());
+		_patch->compiled_patch(_compiled_patch);
+	}
+}
+
+
+void
+CreateNodeEvent::post_process()
+{
+	string msg;
+	if (_node_already_exists) {
+		msg = string("Could not create node - ").append(_path.str());// + " already exists.";
+		_responder->respond_error(msg);
+	} else if (_patch == NULL) {
+		msg = "Could not find patch '" + _path.parent().str() +"' to add node.";
+		_responder->respond_error(msg);
+	} else if (_node == NULL) {
+		msg = "Unable to load node ";
+		msg += _path.str() + " (you're missing the plugin " + _plugin_uri.str() + ")";
+		_responder->respond_error(msg);
+	} else {
+		_responder->respond_ok();
+		_engine.broadcaster()->send_object(_node, true); // yes, send ports
+	}
+}
+
+
+} // namespace Ingen
+
-- 
cgit v1.2.1