Commit d4a4a4cc authored by Allison Karlitskaya's avatar Allison Karlitskaya

GSettings: import delayed backend to master

parent 04c1eadf
......@@ -81,6 +81,8 @@ gio-marshal.c: gio-marshal.h gio-marshal.list
settings_sources = \
gsettingsbackendinternal.h \
gdelayedsettingsbackend.h \
gdelayedsettingsbackend. \
gnullsettingsbackend.h \
gnullsettingsbackend.c \
gsettingsbackend.c \
......
/*
* Copyright © 2009, 2010 Codethink Limited
*
* 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.
*
* Author: Ryan Lortie <desrt@desrt.ca>
*/
#include "config.h"
#include "gdelayedsettingsbackend.h"
#include "gsettingsbackendinternal.h"
#include <string.h>
#include "gioalias.h"
struct _GDelayedSettingsBackendPrivate
{
GSettingsBackend *backend;
GTree *delayed;
gpointer owner;
};
G_DEFINE_TYPE (GDelayedSettingsBackend,
g_delayed_settings_backend,
G_TYPE_SETTINGS_BACKEND)
static GVariant *
g_delayed_settings_backend_read (GSettingsBackend *backend,
const gchar *key,
const GVariantType *expected_type)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (backend);
GVariant *result;
if ((result = g_tree_lookup (delayed->priv->delayed, key)))
return g_variant_ref (result);
return g_settings_backend_read (delayed->priv->backend,
key, expected_type);
}
static gboolean
g_delayed_settings_backend_write (GSettingsBackend *backend,
const gchar *key,
GVariant *value,
gpointer origin_tag)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (backend);
gboolean was_empty;
was_empty = g_tree_nnodes (delayed->priv->delayed) == 0;
g_tree_insert (delayed->priv->delayed, g_strdup (key),
g_variant_ref_sink (value));
g_settings_backend_changed (backend, key, origin_tag);
if (was_empty && delayed->priv->owner)
g_object_notify (delayed->priv->owner, "has-unapplied");
return TRUE;
}
static gboolean
add_to_tree (gpointer key,
gpointer value,
gpointer user_data)
{
g_tree_insert (user_data, g_strdup (key), g_variant_ref (value));
return FALSE;
}
static gboolean
g_delayed_settings_backend_write_keys (GSettingsBackend *backend,
GTree *tree,
gpointer origin_tag)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (backend);
gboolean was_empty;
was_empty = g_tree_nnodes (delayed->priv->delayed) == 0;
g_tree_foreach (tree, add_to_tree, delayed->priv->delayed);
g_settings_backend_changed_tree (backend, tree, origin_tag);
if (was_empty && delayed->priv->owner)
g_object_notify (delayed->priv->owner, "has-unapplied");
return TRUE;
}
static gboolean
g_delayed_settings_backend_get_writable (GSettingsBackend *backend,
const gchar *name)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (backend);
return g_settings_backend_get_writable (delayed->priv->backend, name);
}
static void
g_delayed_settings_backend_reset (GSettingsBackend *backend,
const gchar *key,
gpointer origin_tag)
{
/* deal with this... */
}
static void
g_delayed_settings_backend_reset_path (GSettingsBackend *backend,
const gchar *path,
gpointer origin_tag)
{
/* deal with this... */
}
static void
g_delayed_settings_backend_subscribe (GSettingsBackend *backend,
const char *name)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (backend);
g_settings_backend_subscribe (delayed->priv->backend, name);
}
static void
g_delayed_settings_backend_unsubscribe (GSettingsBackend *backend,
const char *name)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (backend);
g_settings_backend_unsubscribe (delayed->priv->backend, name);
}
/* method calls */
gboolean
g_delayed_settings_backend_get_has_unapplied (GDelayedSettingsBackend *delayed)
{
return g_tree_nnodes (delayed->priv->delayed) > 0;
}
void
g_delayed_settings_backend_apply (GDelayedSettingsBackend *delayed)
{
if (g_tree_nnodes (delayed->priv->delayed) > 0)
{
GTree *tmp;
tmp = delayed->priv->delayed;
delayed->priv->delayed = g_settings_backend_create_tree ();
g_settings_backend_write_keys (delayed->priv->backend,
tmp, delayed->priv);
g_tree_unref (tmp);
if (delayed->priv->owner)
g_object_notify (delayed->priv->owner, "has-unapplied");
}
}
void
g_delayed_settings_backend_revert (GDelayedSettingsBackend *delayed)
{
if (g_tree_nnodes (delayed->priv->delayed) > 0)
{
GTree *tmp;
tmp = delayed->priv->delayed;
delayed->priv->delayed = g_settings_backend_create_tree ();
g_settings_backend_changed_tree (G_SETTINGS_BACKEND (delayed), tmp, NULL);
g_tree_unref (tmp);
if (delayed->priv->owner)
g_object_notify (delayed->priv->owner, "has-unapplied");
}
}
/* change notification */
static void
delayed_backend_changed (GSettingsBackend *backend,
const gchar *key,
gpointer origin_tag,
gpointer user_data)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (user_data);
if (origin_tag != delayed->priv)
g_settings_backend_changed (G_SETTINGS_BACKEND (delayed),
key, origin_tag);
}
static void
delayed_backend_keys_changed (GSettingsBackend *backend,
const gchar *path,
const gchar * const *items,
gpointer origin_tag,
gpointer user_data)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (user_data);
if (origin_tag != delayed->priv)
g_settings_backend_keys_changed (G_SETTINGS_BACKEND (delayed),
path, items, origin_tag);
}
static void
delayed_backend_path_changed (GSettingsBackend *backend,
const gchar *path,
gpointer origin_tag,
gpointer user_data)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (user_data);
if (origin_tag != delayed->priv)
g_settings_backend_path_changed (G_SETTINGS_BACKEND (delayed),
path, origin_tag);
}
static void
delayed_backend_writable_changed (GSettingsBackend *backend,
const gchar *key,
gpointer user_data)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (user_data);
/* XXX: maybe drop keys from the delayed-apply settings
* if they became non-writable?
*/
g_settings_backend_writable_changed (G_SETTINGS_BACKEND (delayed), key);
}
static void
delayed_backend_path_writable_changed (GSettingsBackend *backend,
const gchar *path,
gpointer user_data)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (user_data);
/* XXX: maybe drop keys from the delayed-apply settings
* if they became non-writable?
*/
g_settings_backend_path_writable_changed (G_SETTINGS_BACKEND (delayed),
path);
}
static void
g_delayed_settings_backend_finalize (GObject *object)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (object);
g_settings_backend_unwatch (delayed->priv->backend, delayed);
g_object_unref (delayed->priv->backend);
}
static void
g_delayed_settings_backend_class_init (GDelayedSettingsBackendClass *class)
{
GSettingsBackendClass *backend_class = G_SETTINGS_BACKEND_CLASS (class);
GObjectClass *object_class = G_OBJECT_CLASS (class);
g_type_class_add_private (class, sizeof (GDelayedSettingsBackendPrivate));
backend_class->read = g_delayed_settings_backend_read;
backend_class->write = g_delayed_settings_backend_write;
backend_class->write_keys = g_delayed_settings_backend_write_keys;
backend_class->reset = g_delayed_settings_backend_reset;
backend_class->reset_path = g_delayed_settings_backend_reset_path;
backend_class->get_writable = g_delayed_settings_backend_get_writable;
backend_class->subscribe = g_delayed_settings_backend_subscribe;
backend_class->unsubscribe = g_delayed_settings_backend_unsubscribe;
object_class->finalize = g_delayed_settings_backend_finalize;
}
static void
g_delayed_settings_backend_init (GDelayedSettingsBackend *delayed)
{
delayed->priv =
G_TYPE_INSTANCE_GET_PRIVATE (delayed, G_TYPE_DELAYED_SETTINGS_BACKEND,
GDelayedSettingsBackendPrivate);
delayed->priv->delayed = g_settings_backend_create_tree ();
}
GDelayedSettingsBackend *
g_delayed_settings_backend_new (GSettingsBackend *backend,
gpointer owner)
{
GDelayedSettingsBackend *delayed;
delayed = g_object_new (G_TYPE_DELAYED_SETTINGS_BACKEND, NULL);
delayed->priv->backend = g_object_ref (backend);
delayed->priv->owner = owner;
g_settings_backend_watch (delayed->priv->backend,
delayed_backend_changed,
delayed_backend_path_changed,
delayed_backend_keys_changed,
delayed_backend_writable_changed,
delayed_backend_path_writable_changed,
delayed);
return delayed;
}
/*
* Copyright © 2009, 2010 Codethink Limited
*
* 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.
*
* Author: Ryan Lortie <desrt@desrt.ca>
*/
#ifndef __G_DELAYED_SETTINGS_BACKEND_H__
#define __G_DELAYED_SETTINGS_BACKEND_H__
#include <glib-object.h>
#include <gio/gsettingsbackend.h>
#define G_TYPE_DELAYED_SETTINGS_BACKEND (g_delayed_settings_backend_get_type ())
#define G_DELAYED_SETTINGS_BACKEND(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_DELAYED_SETTINGS_BACKEND, \
GDelayedSettingsBackend))
#define G_DELAYED_SETTINGS_BACKEND_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
G_TYPE_DELAYED_SETTINGS_BACKEND, \
GDelayedSettingsBackendClass))
#define G_IS_DELAYED_SETTINGS_BACKEND(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_DELAYED_SETTINGS_BACKEND))
#define G_IS_DELAYED_SETTINGS_BACKEND_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
G_TYPE_DELAYED_SETTINGS_BACKEND))
#define G_DELAYED_SETTINGS_BACKEND_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
G_TYPE_DELAYED_SETTINGS_BACKEND, \
GDelayedSettingsBackendClass))
typedef struct _GDelayedSettingsBackendPrivate GDelayedSettingsBackendPrivate;
typedef struct _GDelayedSettingsBackendClass GDelayedSettingsBackendClass;
typedef struct _GDelayedSettingsBackend GDelayedSettingsBackend;
struct _GDelayedSettingsBackendClass
{
GSettingsBackendClass parent_class;
};
struct _GDelayedSettingsBackend
{
GSettingsBackend parent_instance;
GDelayedSettingsBackendPrivate *priv;
};
G_GNUC_INTERNAL
GType g_delayed_settings_backend_get_type (void);
G_GNUC_INTERNAL
GDelayedSettingsBackend * g_delayed_settings_backend_new (GSettingsBackend *backend,
gpointer owner);
G_GNUC_INTERNAL
void g_delayed_settings_backend_disown (GDelayedSettingsBackend *backend);
G_GNUC_INTERNAL
void g_delayed_settings_backend_revert (GDelayedSettingsBackend *delayed);
G_GNUC_INTERNAL
void g_delayed_settings_backend_apply (GDelayedSettingsBackend *delayed);
G_GNUC_INTERNAL
gboolean g_delayed_settings_backend_get_has_unapplied (GDelayedSettingsBackend *delayed);
#endif /* __G_DELAYED_SETTINGS_BACKEND_H__ */
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