glib/gio/gsettingsbackend.h
Ryan Lortie d5bd531d96 Cleanup the GSettingsBackend API
This is a substantial ABI break.  Rebuild dconf.
2010-07-22 18:39:50 -04:00

139 lines
7.1 KiB
C

/*
* Copyright © 2009, 2010 Codethink Limited
* Copyright © 2010 Red Hat, Inc.
*
* This library 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 licence, 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Authors: Ryan Lortie <desrt@desrt.ca>
* Matthias Clasen <mclasen@redhat.com>
*/
#ifndef __G_SETTINGS_BACKEND_H__
#define __G_SETTINGS_BACKEND_H__
#if !defined (G_SETTINGS_ENABLE_BACKEND) && !defined (GIO_COMPILATION)
#error "You must define G_SETTINGS_ENABLE_BACKEND before including <gio/gsettingsbackend.h>."
#endif
#define __GIO_GIO_H_INSIDE__
#include <gio/giotypes.h>
#undef __GIO_GIO_H_INSIDE__
G_BEGIN_DECLS
#define G_TYPE_SETTINGS_BACKEND (g_settings_backend_get_type ())
#define G_SETTINGS_BACKEND(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_SETTINGS_BACKEND, GSettingsBackend))
#define G_SETTINGS_BACKEND_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
G_TYPE_SETTINGS_BACKEND, GSettingsBackendClass))
#define G_IS_SETTINGS_BACKEND(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_SETTINGS_BACKEND))
#define G_IS_SETTINGS_BACKEND_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
G_TYPE_SETTINGS_BACKEND))
#define G_SETTINGS_BACKEND_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
G_TYPE_SETTINGS_BACKEND, GSettingsBackendClass))
/**
* G_SETTINGS_BACKEND_EXTENSION_POINT_NAME:
*
* Extension point for #GSettingsBackend functionality.
**/
#define G_SETTINGS_BACKEND_EXTENSION_POINT_NAME "gsettings-backend"
/**
* GSettingsBackend:
*
* An implementation of a settings storage repository.
**/
typedef struct _GSettingsBackendPrivate GSettingsBackendPrivate;
typedef struct _GSettingsBackendClass GSettingsBackendClass;
struct _GSettingsBackendClass
{
GObjectClass parent_class;
GVariant * (*read) (GSettingsBackend *backend,
const gchar *key,
const GVariantType *expected_type,
gboolean default_value);
gboolean (*get_writable) (GSettingsBackend *backend,
const gchar *key);
gboolean (*write) (GSettingsBackend *backend,
const gchar *key,
GVariant *value,
gpointer origin_tag);
gboolean (*write_tree) (GSettingsBackend *backend,
GTree *tree,
gpointer origin_tag);
void (*reset) (GSettingsBackend *backend,
const gchar *key,
gpointer origin_tag);
void (*subscribe) (GSettingsBackend *backend,
const gchar *name);
void (*unsubscribe) (GSettingsBackend *backend,
const gchar *name);
void (*sync) (GSettingsBackend *backend);
GPermission * (*get_permission) (GSettingsBackend *backend,
const gchar *path);
gpointer padding[24];
};
struct _GSettingsBackend
{
GObject parent_instance;
/*< private >*/
GSettingsBackendPrivate *priv;
};
GType g_settings_backend_get_type (void);
void g_settings_backend_changed (GSettingsBackend *backend,
const gchar *key,
gpointer origin_tag);
void g_settings_backend_path_changed (GSettingsBackend *backend,
const gchar *path,
gpointer origin_tag);
void g_settings_backend_flatten_tree (GTree *tree,
gchar **path,
const gchar ***keys,
GVariant ***values);
void g_settings_backend_keys_changed (GSettingsBackend *backend,
const gchar *path,
gchar const * const *items,
gpointer origin_tag);
void g_settings_backend_path_writable_changed (GSettingsBackend *backend,
const gchar *path);
void g_settings_backend_writable_changed (GSettingsBackend *backend,
const gchar *key);
void g_settings_backend_changed_tree (GSettingsBackend *backend,
GTree *tree,
gpointer origin_tag);
GSettingsBackend * g_keyfile_settings_backend_new (const gchar *filename,
const gchar *root_path,
const gchar *root_group);
G_END_DECLS
#endif /* __G_SETTINGS_BACKEND_H__ */