mirror of https://gitee.com/openkylin/glib2.0.git
175 lines
8.3 KiB
C
175 lines
8.3 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 2.1 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__ */
|