1 files changed, 154 insertions, 0 deletions
diff --git a/src/progs/ingenuity/Loader.h b/src/progs/ingenuity/Loader.h
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+/* This file is part of Om.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * Om 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.
+ * 
+ * Om 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 LOADERTHREAD_H
+#define LOADERTHREAD_H
+
+#include <string>
+#include <cassert>
+using std::string;
+
+namespace LibOmClient {
+	class PatchLibrarian;
+	class PatchModel;
+}
+using LibOmClient::PatchLibrarian;
+using LibOmClient::PatchModel;
+
+
+namespace OmGtk {
+	
+/** Event to run in the Loader thread.
+ *
+ * \ingroup OmGtk
+ */
+class LoaderEvent
+{
+public:
+	virtual void execute() = 0;
+	virtual ~LoaderEvent() {}
+protected:
+	LoaderEvent() {}
+};
+
+
+/** Loader thread patch loading event.
+ *
+ * \ingroup OmGtk
+ */
+class LoadPatchEvent : public LoaderEvent
+{
+public:
+	LoadPatchEvent(PatchLibrarian* pl, PatchModel* model, bool wait, bool merge)
+	: m_patch_librarian(pl), m_patch_model(model), m_wait(wait), m_merge(merge) {}
+	virtual ~LoadPatchEvent() {}
+	void execute();
+private:
+	PatchLibrarian* m_patch_librarian;
+	PatchModel*     m_patch_model;
+	bool            m_wait;
+	bool            m_merge;
+};
+
+
+/** Loader thread patch loading event.
+ *
+ * \ingroup OmGtk
+ */
+class SavePatchEvent : public LoaderEvent
+{
+public:
+	SavePatchEvent(PatchLibrarian* pl, PatchModel* pm, const string& filename, bool recursive)
+	: m_patch_librarian(pl), m_patch_model(pm), m_filename(filename), m_recursive(recursive) {}
+	virtual ~SavePatchEvent() {}
+	void execute();
+private:
+	PatchLibrarian* m_patch_librarian;
+	PatchModel*     m_patch_model;
+	string          m_filename;
+	bool            m_recursive;
+};
+
+/*
+class LoadSessionEvent : public LoaderEvent
+{
+public:
+	LoadSessionEvent(PatchLibrarian* pl, const string& filename)
+	: m_patch_librarian(pl), m_filename(filename) {}
+	virtual ~LoadSessionEvent() {}
+	void execute();
+private:
+	PatchLibrarian* m_patch_librarian;
+	string          m_filename;
+};
+
+
+class SaveSessionEvent : public LoaderEvent
+{
+public:
+	SaveSessionEvent(PatchLibrarian* pl, const string& filename)
+	: m_patch_librarian(pl), m_filename(filename) {}
+	virtual ~SaveSessionEvent() {}
+	void execute();
+private:
+	PatchLibrarian* m_patch_librarian;
+	string          m_filename;
+};
+*/
+
+/** 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.
+ *
+ * \ingroup OmGtk
+ */
+class Loader
+{
+public:
+	Loader(PatchLibrarian* const patch_librarian);
+	~Loader() { m_thread_exit_flag = true; }
+
+	void launch();
+	void exit() { m_thread_exit_flag = true; }
+	
+	void load_patch(PatchModel* model, bool wait, bool merge);
+	void save_patch(PatchModel* model, const string& filename, bool recursive);
+	
+	//void load_session(const string& filename);
+	//void save_session(const string& filename);
+	
+	static void* thread_function(void* me);
+
+private:	
+	void* m_thread_function(void*);
+	
+	void set_event(LoaderEvent* ev);
+
+	PatchLibrarian* const m_patch_librarian;
+	LoaderEvent*          m_event;
+	bool                  m_thread_exit_flag;
+	pthread_t             m_thread;
+	pthread_mutex_t       m_mutex;
+	pthread_cond_t        m_cond;
+
+};
+
+
+} // namespace OmGtk
+
+#endif // LOADERRTHREAD_H