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+/* 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
+ */
+
+#ifndef INGEN_EVENTS_SETPORTVALUE_HPP
+#define INGEN_EVENTS_SETPORTVALUE_HPP
+
+#include "raul/Atom.hpp"
+#include "QueuedEvent.hpp"
+#include "types.hpp"
+
+namespace Ingen {
+namespace Server {
+
+class PortImpl;
+
+namespace Events {
+
+/** An event to change the value of a port.
+ *
+ * This event can either be queued or immediate, depending on the queued
+ * parameter passed to the constructor. It must be passed to the appropriate
+ * place (ie queued event passed to the event queue and non-queued event
+ * processed in the audio thread) or nasty things will happen.
+ *
+ * \ingroup engine
+ */
+class SetPortValue : public QueuedEvent
+{
+public:
+ SetPortValue(Engine& engine,
+ SharedPtr<Request> request,
+ bool queued,
+ SampleCount timestamp,
+ const Raul::Path& port_path,
+ const Raul::Atom& value);
+
+ SetPortValue(Engine& engine,
+ SharedPtr<Request> request,
+ SampleCount timestamp,
+ PortImpl* port,
+ const Raul::Atom& value);
+
+ ~SetPortValue();
+
+ void pre_process();
+ void execute(ProcessContext& context);
+ void post_process();
+
+private:
+ enum ErrorType {
+ NO_ERROR,
+ PORT_NOT_FOUND,
+ NO_SPACE,
+ TYPE_MISMATCH
+ };
+
+ void apply(Context& context);
+
+ bool _queued;
+ const Raul::Path _port_path;
+ const Raul::Atom _value;
+ PortImpl* _port;
+};
+
+} // namespace Server
+} // namespace Ingen
+} // namespace Events
+
+#endif // INGEN_EVENTS_SETPORTVALUE_HPP