Preliminary work towards native LV2 UI.

git-svn-id: http://svn.drobilla.net/lad/trunk/ingen@4074 a436a847-0d15-0410-975c-d299462d15a1

3 files changed, 132 insertions, 1 deletions

diff --git a/ingen/shared/AtomSink.hpp b/ingen/shared/AtomSink.hpp
new file mode 100644
index 00000000..e8192567
--- /dev/null
+++ b/ingen/shared/AtomSink.hpp
@@ -0,0 +1,36 @@
+/* This file is part of Ingen.
+ * Copyright 2012 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_ATOMSINK_HPP
+#define INGEN_ATOMSINK_HPP
+
+#include "lv2/lv2plug.in/ns/ext/atom/atom.h"
+
+namespace Ingen {
+namespace Shared {
+
+class AtomSink {
+public:
+	virtual ~AtomSink() {}
+	virtual void write(const LV2_Atom* msg) = 0;
+};
+
+} // namespace Shared
+} // namespace Ingen
+
+#endif // INGEN_ATOMSINK_HPP
+
diff --git a/ingen/shared/AtomWriter.hpp b/ingen/shared/AtomWriter.hpp
new file mode 100644
index 00000000..3ba59583
--- /dev/null
+++ b/ingen/shared/AtomWriter.hpp
@@ -0,0 +1,95 @@
+/* This file is part of Ingen.
+ * Copyright 2012 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_SHARED_ATOM_WRITER_HPP
+#define INGEN_SHARED_ATOM_WRITER_HPP
+
+#include "ingen/Interface.hpp"
+#include "ingen/shared/LV2URIMap.hpp"
+#include "ingen/shared/URIs.hpp"
+#include "lv2/lv2plug.in/ns/ext/atom/forge.h"
+#include "serd/serd.h"
+
+namespace Ingen {
+namespace Shared {
+
+class AtomSink;
+
+/** An Interface that writes LV2 atoms. */
+class AtomWriter : public Interface
+{
+public:
+	AtomWriter(LV2URIMap& map, URIs& uris, AtomSink& sink);
+	~AtomWriter() {}
+
+	Raul::URI uri() const { return "http://drobilla.net/ns/ingen#AtomWriter"; }
+
+	void bundle_begin();
+
+	void bundle_end();
+
+	void put(const Raul::URI&            uri,
+	         const Resource::Properties& properties,
+	         Resource::Graph             ctx = Resource::DEFAULT);
+
+	void delta(const Raul::URI&            uri,
+	           const Resource::Properties& remove,
+	           const Resource::Properties& add);
+
+	void move(const Raul::Path& old_path,
+	          const Raul::Path& new_path);
+
+	void del(const Raul::URI& uri);
+
+	void connect(const Raul::Path& src_port_path,
+	             const Raul::Path& dst_port_path);
+
+	void disconnect(const Raul::URI& src,
+	                const Raul::URI& dst);
+
+	void disconnect_all(const Raul::Path& parent_patch_path,
+	                    const Raul::Path& path);
+
+	void set_property(const Raul::URI&  subject,
+	                  const Raul::URI&  predicate,
+	                  const Raul::Atom& value);
+
+	void set_response_id(int32_t id);
+
+	void get(const Raul::URI& uri);
+
+	void response(int32_t id, Status status);
+
+	void error(const std::string& msg);
+
+private:
+	void    finish_msg();
+	int32_t next_id();
+
+	LV2URIMap&     _map;
+	URIs&          _uris;
+	AtomSink&      _sink;
+	SerdChunk      _out;
+	LV2_Atom_Forge _forge;
+	int32_t        _id;
+};
+
+} // namespace Shared
+} // namespace Ingen
+
+#endif // INGEN_SHARED_ATOM_WRITER_HPP
+
diff --git a/ingen/shared/URIs.hpp b/ingen/shared/URIs.hpp
index 22c46f15..4f95c6c7 100644
--- a/ingen/shared/URIs.hpp
+++ b/ingen/shared/URIs.hpp
@@ -44,7 +44,7 @@ public:
 
 	const Quark atom_Bool;
 	const Quark atom_Float;
-	const Quark atom_Int32;
+	const Quark atom_Int;
 	const Quark atom_MessagePort;
 	const Quark atom_String;
 	const Quark atom_ValuePort;