[tracker/writeback: 5/8] TrackerWriteback: add dummy module.

[Philip Van Hoof <pvanhoof src gnome org>]

commit a3fc7fb53d585fb8014555f34f6b82773b4d9ab3
Author: Carlos Garnacho <carlos lanedo com>
Date:   Wed Nov 11 12:47:28 2009 +0100

    TrackerWriteback: add dummy module.
    
    Modules will derive from the TrackerWriteback object, its API has to be devised
    yet.

 src/tracker-writeback/Makefile.am                |   10 ++--
 src/tracker-writeback/tracker-writeback-dummy.c  |   61 ++++++++++++++++++++++
 src/tracker-writeback/tracker-writeback-module.c |   12 +----
 src/tracker-writeback/tracker-writeback-module.h |    4 +-
 src/tracker-writeback/tracker-writeback.c        |   15 +++++
 src/tracker-writeback/tracker-writeback.h        |    5 ++
 6 files changed, 90 insertions(+), 17 deletions(-)
---
diff --git a/src/tracker-writeback/Makefile.am b/src/tracker-writeback/Makefile.am
index 3d13b85..9e9d6aa 100644
--- a/src/tracker-writeback/Makefile.am
+++ b/src/tracker-writeback/Makefile.am
@@ -16,13 +16,13 @@ INCLUDES = 								\
 	$(GMODULE_CFLAGS) 						\
 	$(DBUS_CFLAGS)
 
-#modules_LTLIBRARIES = 							\
-#	libwriteback-dummy.la
+modules_LTLIBRARIES = 							\
+	libwriteback-dummy.la
 
 # dummy
-#libwriteback_dummy_la_SOURCES = tracker-writeback-dummy.c
-#libwriteback_dummy_la_LDFLAGS = $(module_flags)
-#libwriteback_dummy_la_LIBADD = $(GLIB2_LIBS) $(GCOV_LIBS)
+libwriteback_dummy_la_SOURCES = tracker-writeback-dummy.c
+libwriteback_dummy_la_LDFLAGS = $(module_flags)
+libwriteback_dummy_la_LIBADD = $(GLIB2_LIBS) $(GCOV_LIBS)
 
 #
 # Binaries
diff --git a/src/tracker-writeback/tracker-writeback-dummy.c b/src/tracker-writeback/tracker-writeback-dummy.c
new file mode 100644
index 0000000..641fef2
--- /dev/null
+++ b/src/tracker-writeback/tracker-writeback-dummy.c
@@ -0,0 +1,61 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2008, Nokia
+ *
+ * This library 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.
+ *
+ * This library 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 more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ */
+
+#include "tracker-writeback.h"
+
+#define TRACKER_TYPE_WRITEBACK_DUMMY    (tracker_writeback_dummy_get_type ())
+
+typedef struct TrackerWritebackDummy TrackerWritebackDummy;
+typedef struct TrackerWritebackDummyClass TrackerWritebackDummyClass;
+
+struct TrackerWritebackDummy {
+        TrackerWriteback parent_instance;
+};
+
+struct TrackerWritebackDummyClass {
+        TrackerWritebackClass parent_class;
+};
+
+static GType tracker_writeback_dummy_get_type (void) G_GNUC_CONST;
+
+G_DEFINE_DYNAMIC_TYPE (TrackerWritebackDummy, tracker_writeback_dummy, TRACKER_TYPE_WRITEBACK);
+
+static void
+tracker_writeback_dummy_class_init (TrackerWritebackDummyClass *klass)
+{
+}
+
+static void
+tracker_writeback_dummy_class_finalize (TrackerWritebackDummyClass *klass)
+{
+}
+
+static void
+tracker_writeback_dummy_init (TrackerWritebackDummy *dummy)
+{
+}
+
+TrackerWriteback *
+writeback_module_get (GTypeModule *module)
+{
+        tracker_writeback_dummy_register_type (module);
+
+        return g_object_new (TRACKER_TYPE_WRITEBACK_DUMMY, NULL);
+}
diff --git a/src/tracker-writeback/tracker-writeback-module.c b/src/tracker-writeback/tracker-writeback-module.c
index ecd8bbc..d431808 100644
--- a/src/tracker-writeback/tracker-writeback-module.c
+++ b/src/tracker-writeback/tracker-writeback-module.c
@@ -65,10 +65,8 @@ tracker_writeback_module_load (GTypeModule *module)
 
 	g_module_make_resident (writeback_module->module);
 
-	if (!g_module_symbol (writeback_module->module, "writeback_module_initialize",
-			      (gpointer *) &writeback_module->initialize) ||
-	    !g_module_symbol (writeback_module->module, "writeback_module_shutdown",
-			      (gpointer *) &writeback_module->shutdown)) {
+	if (!g_module_symbol (writeback_module->module, "writeback_module_get",
+			      (gpointer *) &writeback_module->get)) {
 		g_warning ("Could not load module symbols for '%s': %s",
 			   writeback_module->name,
 			   g_module_error ());
@@ -76,8 +74,6 @@ tracker_writeback_module_load (GTypeModule *module)
 		return FALSE;
 	}
 
-	writeback_module->initialize (module);
-
 	return TRUE;
 }
 
@@ -87,13 +83,9 @@ tracker_writeback_module_unload (GTypeModule *module)
 	TrackerWritebackModule *writeback_module;
 
 	writeback_module = TRACKER_WRITEBACK_MODULE (module);
-	writeback_module->shutdown ();
 
 	g_module_close (writeback_module->module);
 	writeback_module->module = NULL;
-
-	writeback_module->initialize = NULL;
-	writeback_module->shutdown = NULL;
 }
 
 TrackerWritebackModule *
diff --git a/src/tracker-writeback/tracker-writeback-module.h b/src/tracker-writeback/tracker-writeback-module.h
index 5e23349..a42236c 100644
--- a/src/tracker-writeback/tracker-writeback-module.h
+++ b/src/tracker-writeback/tracker-writeback-module.h
@@ -24,6 +24,7 @@
 
 #include <glib.h>
 #include <glib-object.h>
+#include "tracker-writeback.h"
 
 G_BEGIN_DECLS
 
@@ -39,8 +40,7 @@ struct TrackerWritebackModule {
 	GModule *module;
 	gchar *name;
 
-        void (* initialize) (GTypeModule *module);
-        void (* shutdown)   (void);
+        TrackerWriteback * (* get) (GTypeModule *module);
 };
 
 struct TrackerWritebackModuleClass {
diff --git a/src/tracker-writeback/tracker-writeback.c b/src/tracker-writeback/tracker-writeback.c
index a4b274b..a368d42 100644
--- a/src/tracker-writeback/tracker-writeback.c
+++ b/src/tracker-writeback/tracker-writeback.c
@@ -18,3 +18,18 @@
  * Boston, MA  02110-1301, USA.
  */
 
+#include "tracker-writeback.h"
+
+G_DEFINE_ABSTRACT_TYPE (TrackerWriteback, tracker_writeback, G_TYPE_OBJECT)
+
+static void
+tracker_writeback_class_init (TrackerWritebackClass *klass)
+{
+
+}
+
+static void
+tracker_writeback_init (TrackerWriteback *writeback)
+{
+
+}
diff --git a/src/tracker-writeback/tracker-writeback.h b/src/tracker-writeback/tracker-writeback.h
index 9f27e41..efd03ef 100644
--- a/src/tracker-writeback/tracker-writeback.h
+++ b/src/tracker-writeback/tracker-writeback.h
@@ -18,6 +18,8 @@
  * Boston, MA  02110-1301, USA.
  */
 
+#include <glib-object.h>
+
 #ifndef __TRACKER_WRITEBACK_H__
 #define __TRACKER_WRITEBACK_H__
 
@@ -43,6 +45,9 @@ struct TrackerWritebackClass {
 
 GType          tracker_writeback_get_type (void) G_GNUC_CONST;
 
+/* Entry function to be defined by modules */
+TrackerWriteback * writeback_module_get (GTypeModule *module);
+
 G_END_DECLS
 
 #endif /* __TRACKER_WRITEBACK_H__ */