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diff --git a/ingen/client/PortModel.hpp b/ingen/client/PortModel.hpp
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+/*
+  This file is part of Ingen.
+  Copyright 2007-2015 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_CLIENT_PORTMODEL_HPP
+#define INGEN_CLIENT_PORTMODEL_HPP
+
+#include <cstdlib>
+#include <string>
+
+#include "ingen/client/ObjectModel.hpp"
+#include "ingen/ingen.h"
+#include "ingen/types.hpp"
+#include "lv2/lv2plug.in/ns/ext/port-props/port-props.h"
+#include "lv2/lv2plug.in/ns/lv2core/lv2.h"
+
+namespace Raul { class Path; }
+
+namespace Ingen {
+namespace Client {
+
+/** Model of a port.
+ *
+ * @ingroup IngenClient
+ */
+class INGEN_API PortModel : public ObjectModel
+{
+public:
+	enum class Direction { INPUT, OUTPUT };
+
+	GraphType graph_type() const { return Node::GraphType::PORT; }
+
+	bool supports(const URIs::Quark& value_type) const;
+
+	inline uint32_t    index()     const { return _index; }
+	inline const Atom& value()     const { return get_property(_uris.ingen_value); }
+	inline bool        is_input()  const { return (_direction == Direction::INPUT); }
+	inline bool        is_output() const { return (_direction == Direction::OUTPUT); }
+
+	bool port_property(const URIs::Quark& uri) const;
+
+	bool is_logarithmic() const { return port_property(_uris.pprops_logarithmic); }
+	bool is_enumeration() const { return port_property(_uris.lv2_enumeration); }
+	bool is_integer()     const { return port_property(_uris.lv2_integer); }
+	bool is_toggle()      const { return port_property(_uris.lv2_toggled); }
+	bool is_numeric()     const {
+		return ObjectModel::is_a(_uris.lv2_ControlPort)
+			|| ObjectModel::is_a(_uris.lv2_CVPort);
+	}
+	bool is_uri() const;
+
+	inline bool operator==(const PortModel& pm) const { return (path() == pm.path()); }
+
+	void on_property(const URI& uri, const Atom& value);
+
+	// Signals
+	INGEN_SIGNAL(value_changed, void, const Atom&);
+	INGEN_SIGNAL(voice_changed, void, uint32_t, const Atom&);
+	INGEN_SIGNAL(activity, void, const Atom&);
+
+private:
+	friend class ClientStore;
+
+	PortModel(URIs&             uris,
+	          const Raul::Path& path,
+	          uint32_t          index,
+	          Direction         dir)
+		: ObjectModel(uris, path)
+		, _index(index)
+		, _direction(dir)
+	{}
+
+	void add_child(SPtr<ObjectModel> c)    { throw; }
+	bool remove_child(SPtr<ObjectModel> c) { throw; }
+
+	void set(SPtr<ObjectModel> model);
+
+	uint32_t  _index;
+	Direction _direction;
+};
+
+} // namespace Client
+} // namespace Ingen
+
+#endif // INGEN_CLIENT_PORTMODEL_HPP