1 files changed, 86 insertions, 0 deletions
diff --git a/src/server/events/Delete.hpp b/src/server/events/Delete.hpp
new file mode 100644
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--- /dev/null
+++ b/src/server/events/Delete.hpp
@@ -0,0 +1,86 @@
+/*
+  This file is part of Ingen.
+  Copyright 2007-2016 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_EVENTS_DELETE_HPP
+#define INGEN_EVENTS_DELETE_HPP
+
+#include <map>
+#include <vector>
+
+#include "ingen/Store.hpp"
+
+#include "CompiledGraph.hpp"
+#include "ControlBindings.hpp"
+#include "Event.hpp"
+#include "GraphImpl.hpp"
+
+namespace Raul {
+template<typename T> class Array;
+}
+
+namespace Ingen {
+namespace Server {
+
+class BlockImpl;
+class DuplexPort;
+class EnginePort;
+class PortImpl;
+
+namespace Events {
+
+class DisconnectAll;
+
+/** Delete a graph object.
+ * \ingroup engine
+ */
+class Delete : public Event
+{
+public:
+	Delete(Engine&           engine,
+	       SPtr<Interface>   client,
+	       FrameTime         timestamp,
+	       const Ingen::Del& msg);
+
+	~Delete();
+
+	bool pre_process(PreProcessContext& ctx);
+	void execute(RunContext& context);
+	void post_process();
+	void undo(Interface& target);
+
+private:
+	using IndexChange  = std::pair<uint32_t, uint32_t>;
+	using IndexChanges = std::map<Raul::Path, IndexChange>;
+
+	const Ingen::Del        _msg;
+	Raul::Path              _path;
+	SPtr<BlockImpl>         _block; ///< Non-NULL iff a block
+	SPtr<DuplexPort>        _port; ///< Non-NULL iff a port
+	EnginePort*             _engine_port;
+	MPtr<GraphImpl::Ports>  _ports_array; ///< New (external) ports for Graph
+	MPtr<CompiledGraph>     _compiled_graph; ///< Graph's new process order
+	DisconnectAll*          _disconnect_event;
+	Store::Objects          _removed_objects;
+	IndexChanges            _port_index_changes;
+
+	std::vector<ControlBindings::Binding*> _removed_bindings;
+};
+
+} // namespace Events
+} // namespace Server
+} // namespace Ingen
+
+#endif // INGEN_EVENTS_DELETE_HPP