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diff --git a/ingen/client/GraphModel.hpp b/ingen/client/GraphModel.hpp
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+++ b/ingen/client/GraphModel.hpp
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+/*
+  This file is part of Ingen.
+  Copyright 2007-2012 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_GRAPHMODEL_HPP
+#define INGEN_CLIENT_GRAPHMODEL_HPP
+
+#include "ingen/client/BlockModel.hpp"
+#include "raul/SharedPtr.hpp"
+
+namespace Ingen {
+namespace Client {
+
+class ClientStore;
+class EdgeModel;
+
+/** Client's model of a graph.
+ *
+ * @ingroup IngenClient
+ */
+class GraphModel : public BlockModel
+{
+public:
+	/* WARNING: Copy constructor creates a shallow copy WRT connections */
+
+	GraphType graph_type() const { return GraphObject::GRAPH; }
+
+	SharedPtr<EdgeModel> get_edge(const Ingen::GraphObject* tail,
+	                              const Ingen::GraphObject* head);
+
+	bool     enabled()       const;
+	bool     polyphonic()    const;
+	uint32_t internal_poly() const;
+
+	// Signals
+	INGEN_SIGNAL(new_block, void, SharedPtr<BlockModel>);
+	INGEN_SIGNAL(removed_block, void, SharedPtr<BlockModel>);
+	INGEN_SIGNAL(new_edge, void, SharedPtr<EdgeModel>);
+	INGEN_SIGNAL(removed_edge, void, SharedPtr<EdgeModel>);
+
+private:
+	friend class ClientStore;
+
+	GraphModel(URIs& uris, const Raul::Path& graph_path)
+		: BlockModel(uris, uris.ingen_Graph, graph_path)
+	{}
+
+	void clear();
+	void add_child(SharedPtr<ObjectModel> c);
+	bool remove_child(SharedPtr<ObjectModel> c);
+
+	void add_edge(SharedPtr<EdgeModel> cm);
+	void remove_edge(const Ingen::GraphObject* tail,
+	                 const Ingen::GraphObject* head);
+};
+
+} // namespace Client
+} // namespace Ingen
+
+#endif // INGEN_CLIENT_GRAPHMODEL_HPP