1 files changed, 155 insertions, 0 deletions
diff --git a/src/gui/ThreadedLoader.cpp b/src/gui/ThreadedLoader.cpp
new file mode 100644
index 00000000..008b14c4
--- /dev/null
+++ b/src/gui/ThreadedLoader.cpp
@@ -0,0 +1,155 @@
+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave 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
+ */
+
+#include <iostream>
+#include <string>
+#include "module/global.hpp"
+#include "module/World.hpp"
+#include "module/Module.hpp"
+#include "client/PatchModel.hpp"
+#include "App.hpp"
+#include "ThreadedLoader.hpp"
+
+using namespace std;
+
+namespace Ingen {
+namespace GUI {
+
+
+ThreadedLoader::ThreadedLoader(SharedPtr<EngineInterface> engine)
+	: _engine(engine)
+	, _deprecated_loader(engine)
+{
+	set_name("Loader");
+	
+	if (parser())
+		start();
+	else
+		cerr << "WARNING: Failed to load ingen_serialisation module, load disabled." << endl;
+}
+
+
+SharedPtr<Parser>
+ThreadedLoader::parser()
+{
+	if (_parser)
+		return _parser;
+
+	World* world = App::instance().world();
+	if (!world->serialisation_module)
+		world->serialisation_module = Ingen::Shared::load_module("ingen_serialisation");
+
+	if (world->serialisation_module) {
+		Parser* (*new_parser)() = NULL;
+
+		bool found = App::instance().world()->serialisation_module->get_symbol(
+				"new_parser", (void*&)new_parser);
+
+		if (found)
+			_parser = SharedPtr<Parser>(new_parser());
+	}
+
+	return _parser;
+}
+
+
+void
+ThreadedLoader::_whipped()
+{
+	_mutex.lock();
+	
+	while ( ! _events.empty() ) {
+		_events.front()();
+		_events.pop_front();
+	}
+
+	_mutex.unlock();
+}
+
+void
+ThreadedLoader::load_patch(bool                    merge,
+                           const Glib::ustring&    data_base_uri,
+                           const Path&             data_path,
+                           GraphObject::Variables  engine_data,
+                           optional<Path>          engine_parent,
+                           optional<Symbol>        engine_symbol)
+{
+	_mutex.lock();
+
+	// FIXME: Filthy hack to load deprecated patches based on file extension
+	if (data_base_uri.substr(data_base_uri.length()-3) == ".om") {
+		_events.push_back(sigc::hide_return(sigc::bind(
+				sigc::mem_fun(_deprecated_loader, &DeprecatedLoader::load_patch),
+				data_base_uri,
+				engine_parent,
+				(engine_symbol) ? engine_symbol.get() : "",
+				engine_data,
+				false)));
+	} else {
+		Glib::ustring engine_base = "";
+		if (engine_parent) {
+			if (merge)
+				engine_base = engine_parent.get();
+			else
+				engine_base = engine_parent.get().base();
+		}
+		
+		if (merge && (!engine_parent || engine_parent.get() == "/"))
+			engine_base = engine_base.substr(0, engine_base.find_last_of("/"));
+		
+		_events.push_back(sigc::hide_return(sigc::bind(
+				sigc::mem_fun(_parser.get(), &Ingen::Serialisation::Parser::parse_document),
+				App::instance().world(),
+				App::instance().world()->engine.get(),
+				data_base_uri, // document
+				data_base_uri + data_path.substr(1), // object URI document
+				engine_base,
+				engine_symbol,
+				engine_data)));
+	}
+	
+	whip();
+	
+	_mutex.unlock();
+}
+
+
+void
+ThreadedLoader::save_patch(SharedPtr<PatchModel> model, const string& filename)
+{
+	_mutex.lock();
+
+	_events.push_back(sigc::hide_return(sigc::bind(
+		sigc::mem_fun(this, &ThreadedLoader::save_patch_event),
+		model, filename)));
+
+	_mutex.unlock();
+	
+	whip();
+}
+
+
+void
+ThreadedLoader::save_patch_event(SharedPtr<PatchModel> model, const string& filename)
+{
+	if (App::instance().serialiser())
+		App::instance().serialiser()->to_file(model, filename);
+}
+
+
+} // namespace GUI
+} // namespace Ingen