1 files changed, 99 insertions, 0 deletions
diff --git a/src/engine/events/Learn.cpp b/src/engine/events/Learn.cpp
new file mode 100644
index 00000000..e700ab79
--- /dev/null
+++ b/src/engine/events/Learn.cpp
@@ -0,0 +1,99 @@
+/* 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 "events/Learn.hpp"
+#include "ClientBroadcaster.hpp"
+#include "ControlBindings.hpp"
+#include "Engine.hpp"
+#include "EngineStore.hpp"
+#include "NodeImpl.hpp"
+#include "PluginImpl.hpp"
+#include "PortImpl.hpp"
+#include "Responder.hpp"
+#include "internals/Controller.hpp"
+
+using namespace std;
+
+namespace Ingen {
+namespace Events {
+
+
+Learn::Learn(Engine& engine, SharedPtr<Responder> responder, SampleCount timestamp, const Raul::Path& path)
+	: QueuedEvent(engine, responder, timestamp)
+	, _error(NO_ERROR)
+	, _path(path)
+	, _object(NULL)
+	, _done(false)
+{
+}
+
+
+void
+Learn::pre_process()
+{
+	_object = _engine.engine_store()->find_object(_path);
+
+	PortImpl* port = dynamic_cast<PortImpl*>(_object);
+	if (port) {
+		_done = true;
+		if (port->type() == Shared::PortType::CONTROL)
+			_engine.control_bindings()->learn(port);
+	}
+
+	QueuedEvent::pre_process();
+}
+
+
+void
+Learn::execute(ProcessContext& context)
+{
+	QueuedEvent::execute(context);
+
+	if (_done || !_object)
+		return;
+
+	NodeImpl* node = dynamic_cast<NodeImpl*>(_object);
+	if (node) {
+		if (node->plugin_impl()->type() == Shared::Plugin::Internal) {
+			((NodeBase*)_object)->learn();
+		} else {
+			_error = INVALID_NODE_TYPE;
+		}
+	}
+}
+
+
+void
+Learn::post_process()
+{
+	if (_error == NO_ERROR) {
+		_responder->respond_ok();
+	} else if (_object == NULL) {
+		string msg = "Did not find node '";
+		msg.append(_path.str()).append("' for learn.");
+		_responder->respond_error(msg);
+	} else {
+		const string msg = string("Object '") + _path.str() + "' is not capable of learning.";
+		_responder->respond_error(msg);
+	}
+}
+
+
+} // namespace Ingen
+} // namespace Events
+
+