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add get_permission API to GSettingsBackend

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implement it in the various in-tree backends

also, lots of whitespace changes to realign the vtable members
This commit is contained in:
Ryan Lortie 2010-06-04 23:07:40 +02:00
parent 95c564cabe
commit 61f3f45cb9
7 changed files with 101 additions and 32 deletions
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11
gio/gdelayedsettingsbackend.c
View File

@ -202,6 +202,16 @@ g_delayed_settings_backend_unsubscribe (GSettingsBackend *backend,
g_settings_backend_unsubscribe (delayed->priv->backend, name);
}
static GPermission *
g_delayed_settings_backend_get_permission (GSettingsBackend *backend,
const gchar *path)
{
GDelayedSettingsBackend *delayed = G_DELAYED_SETTINGS_BACKEND (backend);
return g_settings_backend_get_permission (delayed->priv->backend, path);
}
/* method calls */
gboolean
g_delayed_settings_backend_get_has_unapplied (GDelayedSettingsBackend *delayed)
@ -419,6 +429,7 @@ g_delayed_settings_backend_class_init (GDelayedSettingsBackendClass *class)
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;
backend_class->get_permission = g_delayed_settings_backend_get_permission;
object_class->finalize = g_delayed_settings_backend_finalize;
}

9
gio/gkeyfilesettingsbackend.c
View File

@ -34,6 +34,7 @@
#include "gfile.h"
#include "gfileinfo.h"
#include "gfilemonitor.h"
#include "gsimplepermission.h"
#include "gioalias.h"
@ -244,6 +245,13 @@ g_keyfile_settings_backend_get_writable (GSettingsBackend *backend,
return kf_backend->priv->writable;
}
static GPermission *
g_keyfile_settings_backend_get_permission (GSettingsBackend *backend,
const gchar *path)
{
return g_simple_permission_new (TRUE);
}
static void
g_keyfile_settings_backend_keyfile_reload (GKeyfileSettingsBackend *kf_backend)
{
@ -499,6 +507,7 @@ g_keyfile_settings_backend_class_init (GKeyfileSettingsBackendClass *class)
backend_class->reset = g_keyfile_settings_backend_reset;
backend_class->reset_path = g_keyfile_settings_backend_reset_path;
backend_class->get_writable = g_keyfile_settings_backend_get_writable;
backend_class->get_permission = g_keyfile_settings_backend_get_permission;
/* No need to implement subscribed/unsubscribe: the only point would be to
* stop monitoring the file when there's no GSettings anymore, which is no
* big win. */

9
gio/gmemorysettingsbackend.c
View File

@ -22,6 +22,7 @@
#include "config.h"
#include "gmemorysettingsbackend.h"
#include "gsimplepermission.h"
#include "gsettingsbackend.h"
#include "giomodule.h"
@ -118,6 +119,13 @@ g_memory_settings_backend_get_writable (GSettingsBackend *backend,
return TRUE;
}
static GPermission *
g_memory_settings_backend_get_permission (GSettingsBackend *backend,
const gchar *path)
{
return g_simple_permission_new (TRUE);
}
static void
g_memory_settings_backend_finalize (GObject *object)
{
@ -146,5 +154,6 @@ g_memory_settings_backend_class_init (GMemorySettingsBackendClass *class)
backend_class->write = g_memory_settings_backend_write;
backend_class->write_keys = g_memory_settings_backend_write_keys;
backend_class->get_writable = g_memory_settings_backend_get_writable;
backend_class->get_permission = g_memory_settings_backend_get_permission;
object_class->finalize = g_memory_settings_backend_finalize;
}

11
gio/gnullsettingsbackend.c
View File

@ -22,6 +22,7 @@
#include "config.h"
#include "gnullsettingsbackend.h"
#include "gsimplepermission.h"
#include "gioalias.h"
@ -81,11 +82,18 @@ g_null_settings_backend_reset_path (GSettingsBackend *backend,
static gboolean
g_null_settings_backend_get_writable (GSettingsBackend *backend,
const gchar *name)
const gchar *name)
{
return FALSE;
}
static GPermission *
g_null_settings_backend_get_permission (GSettingsBackend *backend,
const gchar *path)
{
return g_simple_permission_new (FALSE);
}
static void
g_null_settings_backend_init (GNullSettingsBackend *memory)
{
@ -102,6 +110,7 @@ g_null_settings_backend_class_init (GNullSettingsBackendClass *class)
backend_class->reset = g_null_settings_backend_reset;
backend_class->reset_path = g_null_settings_backend_reset_path;
backend_class->get_writable = g_null_settings_backend_get_writable;
backend_class->get_permission = g_null_settings_backend_get_permission;
}
GSettingsBackend *

25
gio/gsettingsbackend.c
View File

@ -25,6 +25,7 @@
#include "gsettingsbackendinternal.h"
#include "gnullsettingsbackend.h"
#include "gsimplepermission.h"
#include "giomodule-priv.h"
#include "gio-marshal.h"
@ -1156,6 +1157,30 @@ g_settings_backend_supports_context (const gchar *context)
return FALSE;
}
/*< private >
* g_settings_backend_get_permission:
* @backend: a #GSettingsBackend
* @path: a path
* @returns: a non-%NULL #GPermission
*
* Gets the permission object associated with writing to keys below
* @path on @backend.
*
* If this is not implemented in the backend, then a %TRUE
* #GSimplePermission is returned.
*/
GPermission *
g_settings_backend_get_permission (GSettingsBackend *backend,
const gchar *path)
{
GSettingsBackendClass *class = G_SETTINGS_BACKEND_GET_CLASS (backend);
if (class->get_permission)
return class->get_permission (backend, path);
return g_simple_permission_new (TRUE);
}
/**
* g_settings_backend_setup:
* @context: a context string (not %NULL or "")

65
gio/gsettingsbackend.h
View File

@ -67,39 +67,42 @@ struct _GSettingsBackendClass
{
GObjectClass parent_class;
gboolean (*supports_context) (const gchar *context);
gboolean (*supports_context) (const gchar *context);
GVariant * (*read) (GSettingsBackend *backend,
const gchar *key,
const GVariantType *expected_type,
gboolean default_value);
gchar ** (*list) (GSettingsBackend *backend,
const gchar *path,
gchar **resets,
gsize n_resets,
gsize *length);
gboolean (*write) (GSettingsBackend *backend,
const gchar *key,
GVariant *value,
gpointer origin_tag);
gboolean (*write_keys) (GSettingsBackend *backend,
GTree *tree,
gpointer origin_tag);
void (*reset) (GSettingsBackend *backend,
const gchar *key,
gpointer origin_tag);
void (*reset_path) (GSettingsBackend *backend,
const gchar *path,
gpointer origin_tag);
gboolean (*get_writable) (GSettingsBackend *backend,
const gchar *key);
void (*subscribe) (GSettingsBackend *backend,
const gchar *name);
void (*unsubscribe) (GSettingsBackend *backend,
const gchar *name);
void (*sync) (GSettingsBackend *backend);
GVariant * (*read) (GSettingsBackend *backend,
const gchar *key,
const GVariantType *expected_type,
gboolean default_value);
gchar ** (*list) (GSettingsBackend *backend,
const gchar *path,
gchar **resets,
gsize n_resets,
gsize *length);
gboolean (*write) (GSettingsBackend *backend,
const gchar *key,
GVariant *value,
gpointer origin_tag);
gboolean (*write_keys) (GSettingsBackend *backend,
GTree *tree,
gpointer origin_tag);
void (*reset) (GSettingsBackend *backend,
const gchar *key,
gpointer origin_tag);
void (*reset_path) (GSettingsBackend *backend,
const gchar *path,
gpointer origin_tag);
gboolean (*get_writable) (GSettingsBackend *backend,
const gchar *key);
void (*subscribe) (GSettingsBackend *backend,
const gchar *name);
void (*unsubscribe) (GSettingsBackend *backend,
const gchar *name);
void (*sync) (GSettingsBackend *backend);
gpointer padding[8];
GPermission * (*get_permission) (GSettingsBackend *backend,
const gchar *path);
gpointer padding[7];
};
struct _GSettingsBackend

3
gio/gsettingsbackendinternal.h
View File

@ -99,6 +99,9 @@ G_GNUC_INTERNAL
void g_settings_backend_subscribe (GSettingsBackend *backend,
const char *name);
G_GNUC_INTERNAL
GPermission * g_settings_backend_get_permission (GSettingsBackend *backend,
const gchar *path);
G_GNUC_INTERNAL
GMainContext * g_settings_backend_get_active_context (void);
#endif /* __G_SETTINGS_BACKEND_INTERNAL_H__ */