Make MessageList extensible.

Also add a placeholder ESettingsMessageList extension.  Going to clean
out some of the direct GSettings usage in MessageList by adding GObject
properties and binding them to GSettings keys from the extension.

1 files changed, 66 insertions, 0 deletions

diff --git a/modules/settings/e-settings-message-list.h b/modules/settings/e-settings-message-list.h
new file mode 100644
index 0000000000..81e7f117da
--- /dev/null
+++ b/modules/settings/e-settings-message-list.h
@@ -0,0 +1,66 @@
+/*
+ * e-settings-message-list.h
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#ifndef E_SETTINGS_MESSAGE_LIST_H
+#define E_SETTINGS_MESSAGE_LIST_H
+
+#include <libebackend/libebackend.h>
+
+/* Standard GObject macros */
+#define E_TYPE_SETTINGS_MESSAGE_LIST \
+	(e_settings_message_list_get_type ())
+#define E_SETTINGS_MESSAGE_LIST(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST \
+	((obj), E_TYPE_SETTINGS_MESSAGE_LIST, ESettingsMessageList))
+#define E_SETTINGS_MESSAGE_LIST_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_CAST \
+	((cls), E_TYPE_SETTINGS_MESSAGE_LIST, ESettingsMessageListClass))
+#define E_IS_SETTINGS_MESSAGE_LIST(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE \
+	((obj), E_TYPE_SETTINGS_MESSAGE_LIST))
+#define E_IS_SETTINGS_MESSAGE_LIST_CLASS(cls) \
+	(G_TYPE_CHECK_CLASS_TYPE \
+	((cls), E_TYPE_SETTINGS_MESSAGE_LIST))
+#define E_SETTINGS_MESSAGE_LIST_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS \
+	((obj), E_TYPE_SETTINGS_MESSAGE_LIST, ESettingsMessageListClass))
+
+G_BEGIN_DECLS
+
+typedef struct _ESettingsMessageList ESettingsMessageList;
+typedef struct _ESettingsMessageListClass ESettingsMessageListClass;
+typedef struct _ESettingsMessageListPrivate ESettingsMessageListPrivate;
+
+struct _ESettingsMessageList {
+	EExtension parent;
+	ESettingsMessageListPrivate *priv;
+};
+
+struct _ESettingsMessageListClass {
+	EExtensionClass parent_class;
+};
+
+GType		e_settings_message_list_get_type
+						(void) G_GNUC_CONST;
+void		e_settings_message_list_type_register
+						(GTypeModule *type_module);
+
+G_END_DECLS
+
+#endif /* E_SETTINGS_MESSAGE_LIST_H */
+