1 files changed, 133 insertions, 0 deletions
diff --git a/src/server/events/Delta.hpp b/src/server/events/Delta.hpp
new file mode 100644
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--- /dev/null
+++ b/src/server/events/Delta.hpp
@@ -0,0 +1,133 @@
+/*
+  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_DELTA_HPP
+#define INGEN_EVENTS_DELTA_HPP
+
+#include <vector>
+
+#include <boost/optional.hpp>
+
+#include "lilv/lilv.h"
+
+#include "CompiledGraph.hpp"
+#include "ControlBindings.hpp"
+#include "Event.hpp"
+#include "PluginImpl.hpp"
+
+namespace Ingen {
+
+class Resource;
+
+namespace Server {
+
+class Engine;
+class GraphImpl;
+class RunContext;
+
+namespace Events {
+
+class SetPortValue;
+
+/** Set properties of a graph object.
+ * \ingroup engine
+ */
+class Delta : public Event
+{
+public:
+	Delta(Engine&           engine,
+	      SPtr<Interface>   client,
+	      SampleCount       timestamp,
+	      const Ingen::Put& msg);
+
+	Delta(Engine&             engine,
+	      SPtr<Interface>     client,
+	      SampleCount         timestamp,
+	      const Ingen::Delta& msg);
+
+	Delta(Engine&                   engine,
+	      SPtr<Interface>           client,
+	      SampleCount               timestamp,
+	      const Ingen::SetProperty& msg);
+
+	~Delta();
+
+	void add_set_event(const char* port_symbol,
+	                   const void* value,
+	                   uint32_t    size,
+	                   uint32_t    type);
+
+	bool pre_process(PreProcessContext& ctx);
+	void execute(RunContext& context);
+	void post_process();
+	void undo(Interface& target);
+
+	Execution get_execution() const;
+
+private:
+	enum class Type {
+		SET,
+		PUT,
+		PATCH
+	};
+
+	enum class SpecialType {
+		NONE,
+		ENABLE,
+		ENABLE_BROADCAST,
+		POLYPHONY,
+		POLYPHONIC,
+		PORT_INDEX,
+		CONTROL_BINDING,
+		PRESET,
+		LOADED_BUNDLE
+	};
+
+	typedef std::vector<SetPortValue*> SetEvents;
+
+	void init();
+
+	Event*                    _create_event;
+	SetEvents                 _set_events;
+	std::vector<SpecialType>  _types;
+	std::vector<SpecialType>  _remove_types;
+	URI                       _subject;
+	Properties                _properties;
+	Properties                _remove;
+	ClientUpdate              _update;
+	Ingen::Resource*          _object;
+	GraphImpl*                _graph;
+	MPtr<CompiledGraph>       _compiled_graph;
+	ControlBindings::Binding* _binding;
+	LilvState*                _state;
+	Resource::Graph           _context;
+	Type                      _type;
+
+	Properties _added;
+	Properties _removed;
+
+	std::vector<ControlBindings::Binding*> _removed_bindings;
+
+	boost::optional<Resource> _preset;
+
+	bool _block;
+};
+
+} // namespace Events
+} // namespace Server
+} // namespace Ingen
+
+#endif // INGEN_EVENTS_DELTA_HPP