summaryrefslogtreecommitdiffstats
path: root/src/progs/ingenuity/ThreadedLoader.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/progs/ingenuity/ThreadedLoader.h')
-rw-r--r--src/progs/ingenuity/ThreadedLoader.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/progs/ingenuity/ThreadedLoader.h b/src/progs/ingenuity/ThreadedLoader.h
new file mode 100644
index 00000000..9212c9c7
--- /dev/null
+++ b/src/progs/ingenuity/ThreadedLoader.h
@@ -0,0 +1,95 @@
+/* This file is part of Ingen. Copyright (C) 2006 Dave Robillard.
+ *
+ * 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 THREADEDLOADER_H
+#define THREADEDLOADER_H
+
+#include <string>
+#include <list>
+#include <cassert>
+#include <boost/optional/optional.hpp>
+#include "raul/Thread.h"
+#include "raul/Slave.h"
+#include "raul/Mutex.h"
+#include "raul/Condition.h"
+#include "ModelEngineInterface.h"
+#include "ObjectModel.h"
+#include "Serializer.h"
+using std::string;
+using std::list;
+using boost::optional;
+
+namespace Ingen { namespace Client {
+ class Loader;
+ class PatchModel;
+} }
+using namespace Ingen::Client;
+
+namespace Ingenuity {
+
+
+/** Thread for loading patch files.
+ *
+ * This is a seperate thread so it can send all the loading message without
+ * blocking everything else, so the app can respond to the incoming events
+ * caused as a result of the patch loading, while the patch loads.
+ *
+ * Implemented as a slave with a list of closures (events) which processes
+ * all events in the (mutex protected) list each time it's whipped.
+ *
+ * \ingroup Ingenuity
+ */
+class ThreadedLoader : public Slave
+{
+public:
+ ThreadedLoader(SharedPtr<ModelEngineInterface> engine);
+ ~ThreadedLoader();
+
+ Loader& loader() const { return *_loader; }
+ Serializer& serializer() const { return *_serializer; }
+
+ // FIXME: there's a pattern here....
+ // (same core interface as Loader/Serializer)
+
+ void load_patch(bool merge,
+ const string& data_base_uri,
+ const Path& data_path,
+ MetadataMap engine_data,
+ optional<const Path&> engine_parent = optional<const Path&>(),
+ optional<const string&> engine_name = optional<const string&>(),
+ optional<size_t> engine_poly = optional<size_t>());
+
+ void save_patch(SharedPtr<PatchModel> model, const string& filename, bool recursive);
+
+private:
+
+ void save_patch_event(SharedPtr<PatchModel> model, const string& filename, bool recursive);
+
+ /** Returns nothing and takes no parameters (because they have all been bound) */
+ typedef sigc::slot<void> Closure;
+
+ void _whipped();
+
+ Loader* const _loader;
+ Serializer* const _serializer;
+ Mutex _mutex;
+ list<Closure> _events;
+};
+
+
+} // namespace Ingenuity
+
+#endif // LOADERRTHREAD_H