--- /dev/null
+/*
+ * Copyright (C) 2009-2010 Andy Spencer <andy753421@gmail.com>
+ *
+ * This program 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIS_CALLBACK_H__
+#define __GIS_CALLBACK_H__
+
+#include <glib.h>
+#include <glib-object.h>
+#include "gis-object.h"
+
+/* GisCallback */
+#define GIS_TYPE_CALLBACK (gis_callback_get_type())
+
+GOBJECT_HEAD(
+ GIS, CALLBACK,
+ Gis, Callback,
+ gis, callback);
+
+typedef gpointer (*GisCallbackFunc)(GisCallback *callback, gpointer user_data);
+
+struct _GisCallback {
+ GisObject parent;
+ GisCallbackFunc callback;
+ gpointer user_data;
+};
+
+struct _GisCallbackClass {
+ GisObjectClass parent_class;
+};
+
+GisCallback *gis_callback_new(GisCallbackFunc callback, gpointer user_data);
+
+#endif