Bug 620582 - a simple GPermission implementation

add GSimplePermission, a trivial const implementation of GPermission

can-request and can-release are always false for this implementation and
the value of 'allowed' is decided at construction.
This commit is contained in:
Ryan Lortie 2010-06-04 22:32:01 +02:00
parent 0957f76878
commit 4733488178
8 changed files with 149 additions and 0 deletions

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@ -158,6 +158,7 @@
<chapter id='permissions'>
<title>Permissions</title>
<xi:include href="xml/gpermission.xml"/>
<xi:include href="xml/gsimplepermission.xml"/>
</chapter>
<chapter id="extending">
<title>Extending GIO</title>

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@ -2611,3 +2611,11 @@ g_permission_get_type
GPermissionPrivate
GPermissionClass
</SECTION>
<SECTION>
<FILE>gsimplepermission</FILE>
GSimplePermission
g_simple_permission_new
<SUBSECTION Standard>
g_simple_permission_get_type
</SECTION>

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@ -77,6 +77,7 @@ g_seekable_get_type
g_settings_get_type
g_settings_backend_get_type
g_simple_async_result_get_type
g_simple_permission_get_type
g_socket_address_enumerator_get_type
g_socket_address_get_type
g_socket_client_get_type

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@ -333,6 +333,7 @@ libgio_2_0_la_SOURCES = \
gresolver.c \
gseekable.c \
gsimpleasyncresult.c \
gsimplepermission.c \
gsocket.c \
gsocketaddress.c \
gsocketaddressenumerator.c \
@ -478,6 +479,7 @@ gio_headers = \
gresolver.h \
gseekable.h \
gsimpleasyncresult.h \
gsimplepermission.h \
gsocket.h \
gsocketaddress.h \
gsocketaddressenumerator.h \

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@ -1746,3 +1746,10 @@ g_permission_release_async
g_permission_release_finish
#endif
#endif
#if IN_HEADER(__G_SIMPLE_PERMISSION_H__)
#if IN_FILE(__G_SIMPLE_PERMISSION_C__)
g_simple_permission_get_type
g_simple_permission_new
#endif
#endif

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@ -44,6 +44,7 @@ typedef struct _GConverterInputStream GConverterInputStream;
typedef struct _GConverterOutputStream GConverterOutputStream;
typedef struct _GDataInputStream GDataInputStream;
typedef struct _GPermission GPermission;
typedef struct _GSimplePermission GSimplePermission;
typedef struct _GZlibCompressor GZlibCompressor;
typedef struct _GZlibDecompressor GZlibDecompressor;

84
gio/gsimplepermission.c Normal file
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@ -0,0 +1,84 @@
/*
* Copyright © 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 "gsimplepermission.h"
#include "gpermission.h"
#include "gioalias.h"
/**
* SECTION:gsimplepermission
* @title: GSimplePermission
* @short_description: a #GPermission that doesn't change value
*
* #GSimplePermission is a trivial implementation of #GPermission that
* represents a permission that is either always or never allowed. The
* value is given at constuction and doesn't change.
*
* Calling request or release will result in errors.
**/
/**
* GSimplePermission:
*
* #GSimplePermission is an opaque data structure. There are no methods
* except for those defined by #GPermission.
**/
typedef GPermissionClass GSimplePermissionClass;
struct _GSimplePermission
{
GPermission parent_instance;
};
G_DEFINE_TYPE (GSimplePermission, g_simple_permission, G_TYPE_PERMISSION)
static void
g_simple_permission_init (GSimplePermission *simple)
{
}
static void
g_simple_permission_class_init (GSimplePermissionClass *class)
{
}
/**
* g_simple_permission_new:
* @allowed: %TRUE if the action is allowed
* @returns: the #GSimplePermission, as a #GPermission
*
* Creates a new #GPermission instance that represents an action that is
* either always or never allowed.
**/
GPermission *
g_simple_permission_new (gboolean allowed)
{
GPermission *permission = g_object_new (G_TYPE_SIMPLE_PERMISSION, NULL);
g_permission_impl_update (permission, allowed, FALSE, FALSE);
return permission;
}
#define __G_SIMPLE_PERMISSION_C__
#include "gioaliasdef.c"

45
gio/gsimplepermission.h Normal file
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@ -0,0 +1,45 @@
/*
* Copyright © 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>
*/
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#ifndef __G_SIMPLE_PERMISSION_H__
#define __G_SIMPLE_PERMISSION_H__
#include <gio/giotypes.h>
G_BEGIN_DECLS
#define G_TYPE_SIMPLE_PERMISSION (g_simple_permission_get_type ())
#define G_SIMPLE_PERMISSION(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_SIMPLE_PERMISSION, \
GSimplePermission))
#define G_IS_SIMPLE_PERMISSION(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_SIMPLE_PERMISSION))
GType g_simple_permission_get_type (void);
GPermission * g_simple_permission_new (gboolean allowed);
G_END_DECLS
#endif /* __G_SIMPLE_PERMISSION_H__ */