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PATH: usr / include / glib-2.0 / gio

/*
 * 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 2.1 of the License, 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, see <http://www.gnu.org/licenses/>.
 *
 * 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;

/**
 * GSettingsBackendClass:
 * @read: virtual method to read a key's value
 * @get_writable: virtual method to get if a key is writable
 * @write: virtual method to change key's value
 * @write_tree: virtual method to change a tree of keys
 * @reset: virtual method to reset state
 * @subscribe: virtual method to subscribe to key changes
 * @unsubscribe: virtual method to unsubscribe to key changes
 * @sync: virtual method to sync state
 * @get_permission: virtual method to get permission of a key
 * @read_user_value: virtual method to read user's key value
 *
 * Class structure for #GSettingsBackend.
 */
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);

GVariant *    (*read_user_value)  (GSettingsBackend    *backend,
                                     const gchar         *key,
                                     const GVariantType  *expected_type);

/*< private >*/
  gpointer padding[23];
};

struct _GSettingsBackend
{
  GObject parent_instance;

/*< private >*/
  GSettingsBackendPrivate *priv;
};

GLIB_AVAILABLE_IN_ALL
GType                   g_settings_backend_get_type                     (void);

GLIB_AVAILABLE_IN_ALL
void                    g_settings_backend_changed                      (GSettingsBackend    *backend,
                                                                         const gchar         *key,
                                                                         gpointer             origin_tag);
GLIB_AVAILABLE_IN_ALL
void                    g_settings_backend_path_changed                 (GSettingsBackend    *backend,
                                                                         const gchar         *path,
                                                                         gpointer             origin_tag);
GLIB_AVAILABLE_IN_ALL
void                    g_settings_backend_flatten_tree                 (GTree               *tree,
                                                                         gchar              **path,
                                                                         const gchar       ***keys,
                                                                         GVariant          ***values);
GLIB_AVAILABLE_IN_ALL
void                    g_settings_backend_keys_changed                 (GSettingsBackend    *backend,
                                                                         const gchar         *path,
                                                                         gchar const * const *items,
                                                                         gpointer             origin_tag);

GLIB_AVAILABLE_IN_ALL
void                    g_settings_backend_path_writable_changed        (GSettingsBackend    *backend,
                                                                         const gchar         *path);
GLIB_AVAILABLE_IN_ALL
void                    g_settings_backend_writable_changed             (GSettingsBackend    *backend,
                                                                         const gchar         *key);
GLIB_AVAILABLE_IN_ALL
void                    g_settings_backend_changed_tree                 (GSettingsBackend    *backend,
                                                                         GTree               *tree,
                                                                         gpointer             origin_tag);

GLIB_AVAILABLE_IN_ALL
GSettingsBackend *      g_settings_backend_get_default                  (void);

GLIB_AVAILABLE_IN_ALL
GSettingsBackend *      g_keyfile_settings_backend_new                  (const gchar         *filename,
                                                                         const gchar         *root_path,
                                                                         const gchar         *root_group);

GLIB_AVAILABLE_IN_ALL
GSettingsBackend *      g_null_settings_backend_new                     (void);

GLIB_AVAILABLE_IN_ALL
GSettingsBackend *      g_memory_settings_backend_new                   (void);

G_END_DECLS

#endif /* __G_SETTINGS_BACKEND_H__ */

[-] gicon.h [edit]
[-] gmenumodel.h [edit]
[-] gdbusobjectproxy.h [edit]
[-] gnetworking.h [edit]
[-] gresolver.h [edit]
[-] gremoteactiongroup.h [edit]
[-] gsimpleproxyresolver.h [edit]
[-] gdbusobjectmanagerserver.h [edit]
[-] gsubprocesslauncher.h [edit]
[-] giostream.h [edit]
[-] gdbusproxy.h [edit]
[-] gvfs.h [edit]
[-] gfilterinputstream.h [edit]
[-] gdbusintrospection.h [edit]
[-] gsocketconnection.h [edit]
[-] gfilteroutputstream.h [edit]
[-] gemblem.h [edit]
[-] gtlsconnection.h [edit]
[-] gdbusnamewatching.h [edit]
[-] giomodule.h [edit]
[-] gtcpwrapperconnection.h [edit]
[-] gasyncresult.h [edit]
[-] gcontenttype.h [edit]
[-] gfileicon.h [edit]
[-] gresource.h [edit]
[-] gioenumtypes.h [edit]
[-] gasyncinitable.h [edit]
[-] gioenums.h [edit]
[-] gio.h [edit]
[-] gseekable.h [edit]
[-] gproxyaddressenumerator.h [edit]
[-] ginetaddressmask.h [edit]
[-] gemblemedicon.h [edit]
[-] gmemoryoutputstream.h [edit]
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[-] gvolume.h [edit]
[-] gdbusutils.h [edit]
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[+] ..
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[-] gtask.h [edit]
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[-] gsimplepermission.h [edit]
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[-] gsettings.h [edit]
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[-] gdbusobjectmanager.h [edit]
[-] gsubprocess.h [edit]
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[-] gfileattribute.h [edit]
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[-] ginitable.h [edit]
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[-] gdbusnameowning.h [edit]
[-] gpermission.h [edit]
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[-] giotypes.h [edit]
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