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Diffstat (limited to 'src/libs/gui/ThreadedLoader.h')
-rw-r--r-- | src/libs/gui/ThreadedLoader.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/libs/gui/ThreadedLoader.h b/src/libs/gui/ThreadedLoader.h new file mode 100644 index 00000000..58a18fae --- /dev/null +++ b/src/libs/gui/ThreadedLoader.h @@ -0,0 +1,99 @@ +/* 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 + */ + +#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 "interface/EngineInterface.h" +#include "client/PatchModel.h" +#include "client/Serializer.h" +#include "client/DeprecatedLoader.h" +#include "serialisation/Loader.h" +using std::string; +using std::list; +using boost::optional; + +using namespace Ingen::Client; +using namespace Ingen::Serialisation; + +namespace Ingen { +namespace GUI { + + +/** 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 GUI + */ +class ThreadedLoader : public Raul::Slave +{ +public: + ThreadedLoader(SharedPtr<EngineInterface> engine); + ~ThreadedLoader(); + + // 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<Path> engine_parent, + 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(); + + SharedPtr<Glib::Module> _serialisation_module; + + SharedPtr<EngineInterface> _engine; + SharedPtr<Loader> _loader; + + DeprecatedLoader _deprecated_loader; + Serializer _serializer; + Raul::Mutex _mutex; + list<Closure> _events; +}; + + +} // namespace GUI +} // namespace Ingen + +#endif // LOADERRTHREAD_H |