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131 lines
6.7 KiB
C
131 lines
6.7 KiB
C
/*
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* Copyright © 2009, 2010 Codethink Limited
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* Copyright © 2010 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the licence, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Authors: Ryan Lortie <desrt@desrt.ca>
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* Matthias Clasen <mclasen@redhat.com>
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*/
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#ifndef __G_SETTINGS_BACKEND_H__
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#define __G_SETTINGS_BACKEND_H__
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#if !defined (G_SETTINGS_ENABLE_BACKEND) && !defined (GIO_COMPILATION)
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#error "You must define G_SETTINGS_ENABLE_BACKEND before including <gio/gsettingsbackend.h>."
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#endif
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#include <glib-object.h>
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G_BEGIN_DECLS
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#define G_TYPE_SETTINGS_BACKEND (g_settings_backend_get_type ())
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#define G_SETTINGS_BACKEND(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
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G_TYPE_SETTINGS_BACKEND, GSettingsBackend))
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#define G_SETTINGS_BACKEND_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
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G_TYPE_SETTINGS_BACKEND, GSettingsBackendClass))
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#define G_IS_SETTINGS_BACKEND(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
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G_TYPE_SETTINGS_BACKEND))
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#define G_IS_SETTINGS_BACKEND_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
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G_TYPE_SETTINGS_BACKEND))
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#define G_SETTINGS_BACKEND_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
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G_TYPE_SETTINGS_BACKEND, GSettingsBackendClass))
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/**
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* G_SETTINGS_BACKEND_EXTENSION_POINT_NAME:
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*
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* Extension point for #GSettingsBackend functionality.
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**/
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#define G_SETTINGS_BACKEND_EXTENSION_POINT_NAME "gsettings-backend"
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/**
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* GSettingsBackend:
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*
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* An implementation of a settings storage repository.
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**/
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typedef struct _GSettingsBackendPrivate GSettingsBackendPrivate;
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typedef struct _GSettingsBackendClass GSettingsBackendClass;
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typedef struct _GSettingsBackend GSettingsBackend;
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struct _GSettingsBackendClass
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{
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GObjectClass parent_class;
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gboolean (*supports_context) (const gchar *context);
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GVariant * (*read) (GSettingsBackend *backend,
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const gchar *key,
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const GVariantType *expected_type);
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gboolean (*write) (GSettingsBackend *backend,
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const gchar *key,
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GVariant *value,
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gpointer origin_tag);
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gboolean (*write_keys) (GSettingsBackend *backend,
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GTree *tree,
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gpointer origin_tag);
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void (*reset) (GSettingsBackend *backend,
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const gchar *key,
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gpointer origin_tag);
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void (*reset_path) (GSettingsBackend *backend,
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const gchar *path,
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gpointer origin_tag);
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gboolean (*get_writable) (GSettingsBackend *backend,
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const gchar *key);
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void (*subscribe) (GSettingsBackend *backend,
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const gchar *name);
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void (*unsubscribe) (GSettingsBackend *backend,
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const gchar *name);
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};
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struct _GSettingsBackend
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{
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GObject parent_instance;
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/*< private >*/
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GSettingsBackendPrivate *priv;
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};
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GType g_settings_backend_get_type (void);
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void g_settings_backend_setup (const gchar *context,
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GSettingsBackend *backend);
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void g_settings_backend_setup_keyfile (const gchar *context,
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const gchar *filename);
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void g_settings_backend_changed (GSettingsBackend *backend,
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const gchar *key,
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gpointer origin_tag);
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void g_settings_backend_path_changed (GSettingsBackend *backend,
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const gchar *path,
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gpointer origin_tag);
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void g_settings_backend_keys_changed (GSettingsBackend *backend,
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const gchar *path,
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gchar const * const *items,
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gpointer origin_tag);
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void g_settings_backend_path_writable_changed(GSettingsBackend *backend,
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const gchar *path);
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void g_settings_backend_writable_changed (GSettingsBackend *backend,
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const gchar *key);
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void g_settings_backend_changed_tree (GSettingsBackend *backend,
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GTree *tree,
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gpointer origin_tag);
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G_END_DECLS
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#endif /* __G_SETTINGS_BACKEND_H__ */
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