Merge NoteOnEvent and NoteOffEvent.

Consistent naming for object creation events.


git-svn-id: http://svn.drobilla.net/lad/ingen@792 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 145 insertions, 0 deletions

diff --git a/src/libs/engine/events/CreateNodeEvent.cpp b/src/libs/engine/events/CreateNodeEvent.cpp
new file mode 100644
index 00000000..65296de6
--- /dev/null
+++ b/src/libs/engine/events/CreateNodeEvent.cpp
@@ -0,0 +1,145 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 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 "CreateNodeEvent.hpp"
+#include "Responder.hpp"
+#include "Patch.hpp"
+#include "Node.hpp"
+#include "Tree.hpp"
+#include "Plugin.hpp"
+#include "Engine.hpp"
+#include "Patch.hpp"
+#include "NodeFactory.hpp"
+#include "ClientBroadcaster.hpp"
+#include "ObjectStore.hpp"
+#include "Port.hpp"
+
+namespace Ingen {
+
+
+CreateNodeEvent::CreateNodeEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const string& path,
+		const string& plugin_uri, bool poly)
+: QueuedEvent(engine, responder, timestamp),
+  _path(path),
+  _plugin_uri(plugin_uri),
+  _poly(poly),
+  _patch(NULL),
+  _node(NULL),
+  _compiled_patch(NULL),
+  _node_already_exists(false)
+{
+}
+
+
+/** DEPRECATED: Construct from type, library name, and plugin label.
+ *
+ * Do not use.
+ */
+CreateNodeEvent::CreateNodeEvent(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const string& path,
+		const string& plugin_type, const string& plugin_lib, const string& plugin_label, bool poly)
+: QueuedEvent(engine, responder, timestamp),
+  _path(path),
+  _plugin_type(plugin_type),
+  _plugin_lib(plugin_lib),
+  _plugin_label(plugin_label),
+  _poly(poly),
+  _patch(NULL),
+  _node(NULL),
+  _compiled_patch(NULL),
+  _node_already_exists(false)
+{
+}
+
+
+void
+CreateNodeEvent::pre_process()
+{
+	if (_engine.object_store()->find_object(_path) != NULL) {
+		_node_already_exists = true;
+		QueuedEvent::pre_process();
+		return;
+	}
+
+	_patch = _engine.object_store()->find_patch(_path.parent());
+
+	const Plugin* plugin = (_plugin_uri != "")
+		? _engine.node_factory()->plugin(_plugin_uri)
+		: _engine.node_factory()->plugin(_plugin_type, _plugin_lib, _plugin_label);
+
+	if (_patch && plugin) {
+			
+		_node = _engine.node_factory()->load_plugin(plugin, _path.name(), _poly, _patch);
+		
+		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 Raul::ListNode<Node*>(_node));
+			//_node->add_to_store(_engine.object_store());
+			_engine.object_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);// + " already exists.";
+		_responder->respond_error(msg);
+	} else if (_patch == NULL) {
+		msg = "Could not find patch '" + _path.parent() +"' for add_node.";
+		_responder->respond_error(msg);
+	} else if (_node == NULL) {
+		msg = "Unable to load node ";
+		msg.append(_path).append(" (you're missing the plugin \"").append(
+			_plugin_uri);
+		_responder->respond_error(msg);
+	} else {
+		_responder->respond_ok();
+		_engine.broadcaster()->send_node(_node, true); // yes, send ports
+	}
+}
+
+
+} // namespace Ingen
+