1 files changed, 79 insertions, 0 deletions
diff --git a/common/gdm-settings-backend.h b/common/gdm-settings-backend.h
new file mode 100644
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--- /dev/null
+++ b/common/gdm-settings-backend.h
@@ -0,0 +1,79 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+
+#ifndef __GDM_SETTINGS_BACKEND_H
+#define __GDM_SETTINGS_BACKEND_H
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+#define GDM_TYPE_SETTINGS_BACKEND (gdm_settings_backend_get_type ())
+G_DECLARE_DERIVABLE_TYPE (GdmSettingsBackend, gdm_settings_backend, GDM, SETTINGS_BACKEND, GObject)
+
+struct _GdmSettingsBackendClass
+{
+        GObjectClass   parent_class;
+
+        /* methods */
+        gboolean (*get_value)              (GdmSettingsBackend *settings_backend,
+                                            const char         *key,
+                                            char              **value,
+                                            GError            **error);
+        gboolean (*set_value)              (GdmSettingsBackend *settings_backend,
+                                            const char         *key,
+                                            const char         *value,
+                                            GError            **error);
+
+        /* signals */
+        void          (* value_changed)    (GdmSettingsBackend *settings_backend,
+                                            const char  *key,
+                                            const char  *old_value,
+                                            const char **new_value);
+};
+
+typedef enum
+{
+        GDM_SETTINGS_BACKEND_ERROR_GENERAL,
+        GDM_SETTINGS_BACKEND_ERROR_KEY_NOT_FOUND
+} GdmSettingsBackendError;
+
+#define GDM_SETTINGS_BACKEND_ERROR gdm_settings_backend_error_quark ()
+
+GQuark              gdm_settings_backend_error_quark            (void);
+
+gboolean            gdm_settings_backend_get_value              (GdmSettingsBackend *settings_backend,
+                                                                 const char  *key,
+                                                                 char       **value,
+                                                                 GError     **error);
+gboolean            gdm_settings_backend_set_value              (GdmSettingsBackend *settings_backend,
+                                                                 const char  *key,
+                                                                 const char  *value,
+                                                                 GError     **error);
+
+void                gdm_settings_backend_value_changed          (GdmSettingsBackend *settings_backend,
+                                                                 const char  *key,
+                                                                 const char  *old_value,
+                                                                 const char  *new_value);
+
+G_END_DECLS
+
+#endif /* __GDM_SETTINGS_BACKEND_H */