1 files changed, 110 insertions, 0 deletions
diff --git a/mate-panel/libpanel-util/panel-cleanup.c b/mate-panel/libpanel-util/panel-cleanup.c
new file mode 100644
index 00000000..90b089da
--- /dev/null
+++ b/mate-panel/libpanel-util/panel-cleanup.c
@@ -0,0 +1,110 @@
+/*
+ * panel-cleanup.c: utility to clean up things on exit
+ *
+ * Copyright (C) 2008 Novell, Inc.
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ *
+ * Authors:
+ * Vincent Untz <[email protected]>
+ */
+
+#include <glib.h>
+#include <glib-object.h>
+
+#include "panel-cleanup.h"
+
+typedef struct {
+ PanelCleanFunc func;
+ gpointer data;
+} PanelClean;
+
+static GSList *cleaner;
+
+void
+panel_cleanup_do (void)
+{
+ GSList *l;
+
+ if (!cleaner)
+ return;
+
+ for (l = cleaner; l; l = l->next) {
+ PanelClean *clean;
+
+ clean = l->data;
+ clean->func (clean->data);
+ g_slice_free (PanelClean, clean);
+ }
+
+ g_slist_free (cleaner);
+ cleaner = NULL;
+}
+
+void
+panel_cleanup_register (PanelCleanFunc func,
+ gpointer data)
+{
+ PanelClean *clean;
+
+ g_return_if_fail (func != NULL);
+
+ clean = g_slice_new (PanelClean);
+ clean->func = func;
+ clean->data = data;
+
+ cleaner = g_slist_prepend (cleaner, clean);
+}
+
+void
+panel_cleanup_unregister (PanelCleanFunc func,
+ gpointer data)
+{
+ GSList *l, *next;
+ PanelClean *clean;
+
+ g_return_if_fail (func != NULL);
+
+ if (!cleaner)
+ return;
+
+ l = cleaner;
+
+ do {
+ next = l->next;
+
+ clean = l->data;
+ if (clean->func == func && clean->data == data) {
+ g_slice_free (PanelClean, clean);
+ cleaner = g_slist_delete_link (cleaner, l);
+ }
+
+ l = next;
+ } while (l);
+}
+
+void
+panel_cleanup_unref_and_nullify (gpointer data)
+{
+ GObject **obj;
+
+ g_return_if_fail (data != NULL);
+
+ obj = data;
+
+ g_object_unref (*obj);
+ *obj = NULL;
+}