From 6f93b3d7c80f9dee2d95fac1bbc4f781a6f45979 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Mon, 18 Sep 2006 06:24:53 +0000
Subject: Work on loading old (deprecated) patches. More error tolerance in
 Store, related bugfixes. Patch port adding (threading) bug fixed (made event
 blocking). Better PatchView cacheing. Moved generic things from engine to
 util (shared) Bug fixes, features, etc.

git-svn-id: http://svn.drobilla.net/lad/ingen@142 a436a847-0d15-0410-975c-d299462d15a1
---
 src/progs/ingenuity/Loader.h | 120 ++++++++-----------------------------------
 1 file changed, 22 insertions(+), 98 deletions(-)

(limited to 'src/progs/ingenuity/Loader.h')

diff --git a/src/progs/ingenuity/Loader.h b/src/progs/ingenuity/Loader.h
index 58c301af..a33945a1 100644
--- a/src/progs/ingenuity/Loader.h
+++ b/src/progs/ingenuity/Loader.h
@@ -19,97 +19,23 @@
 
 #include <string>
 #include <cassert>
+#include "util/Thread.h"
+#include "util/Slave.h"
+#include "util/Mutex.h"
+#include "util/Condition.h"
 #include "ModelEngineInterface.h"
+#include "ObjectModel.h"
 using std::string;
 
 namespace Ingen { namespace Client {
 	class PatchLibrarian;
 	class PatchModel;
-	class ModelEngineInterface;
 } }
 using namespace Ingen::Client;
 
 namespace Ingenuity {
 
 
-/** Event to run in the Loader thread.
- *
- * \ingroup Ingenuity
- */
-class LoaderEvent
-{
-public:
-	virtual void execute() = 0;
-	virtual ~LoaderEvent() {}
-protected:
-	LoaderEvent() {}
-};
-
-
-/** Loader thread patch loading event.
- *
- * \ingroup Ingenuity
- */
-class LoadPatchEvent : public LoaderEvent
-{
-public:
-	LoadPatchEvent(PatchLibrarian* pl, CountedPtr<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;
-	CountedPtr<PatchModel> m_patch_model;
-	bool                   m_wait;
-	bool                   m_merge;
-};
-
-
-/** Loader thread patch loading event.
- *
- * \ingroup Ingenuity
- */
-class SavePatchEvent : public LoaderEvent
-{
-public:
-	SavePatchEvent(PatchLibrarian* pl, CountedPtr<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;
-	CountedPtr<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
@@ -118,37 +44,35 @@ private:
  *
  * \ingroup Ingenuity
  */
-class Loader
+class Loader : public Slave
 {
 public:
 	Loader(CountedPtr<ModelEngineInterface> engine);
 	~Loader();
 
-	PatchLibrarian& librarian() { return *m_patch_librarian; }
+	PatchLibrarian& librarian() { return *_patch_librarian; }
 
-	void launch();
-	void exit() { m_thread_exit_flag = true; }
+	void load_patch(const string&      filename,
+	                const string&      parent_path,
+	                const string&      name,
+	                size_t             poly,
+	                const MetadataMap& initial_data,
+	                bool               merge = false);
 	
-	void load_patch(CountedPtr<PatchModel> model, bool wait, bool merge);
 	void save_patch(CountedPtr<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;
+	/** Returns nothing and takes no parameters (because they have all been bound) */
+	typedef sigc::slot<void> Closure;
+
+	void _whipped();
 
+	PatchLibrarian* const _patch_librarian;
+	Mutex                 _mutex;
+	Condition             _cond;
+	Closure               _event;
 };
 
 
-- 
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