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/*
* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
* Copyright 2008 Novell, Inc.
* Copyright 2001, 2002 Sun Microsystems Inc.,
* Copyright 2001, 2002 Ximian, 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, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "bridge.h"
#include <atk/atk.h>
#include <droute/droute.h>
#include "accessible-stateset.h"
#include "atspi/atspi.h"
#include "introspection.h"
#include "object.h"
#include "spi-dbus.h"
#include <string.h>
static dbus_bool_t
impl_get_Version (DBusMessageIter *iter, void *user_data)
{
return droute_return_v_uint32 (iter, SPI_DBUS_ACCESSIBLE_VERSION);
}
impl_get_Name (DBusMessageIter *iter, void *user_data)
AtkObject *object = (AtkObject *) user_data;
g_return_val_if_fail (ATK_IS_OBJECT (user_data), FALSE);
return droute_return_v_string (iter, atk_object_get_name (object));
impl_get_Description (DBusMessageIter *iter, void *user_data)
return droute_return_v_string (iter, atk_object_get_description (object));
impl_get_Locale (DBusMessageIter *iter, void *user_data)
return droute_return_v_string (iter, atk_object_get_object_locale (object));
impl_get_Parent (DBusMessageIter *iter, void *user_data)
AtkObject *obj = (AtkObject *) user_data;
AtkObject *parent;
DBusMessageIter iter_variant;
dbus_uint32_t role;
role = spi_accessible_role_from_atk_role (atk_object_get_role (obj));
dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "(so)",
&iter_variant);
parent = atk_object_get_parent (obj);
if (parent == NULL)
/* TODO, move in to a 'Plug' wrapper. */
if (ATK_IS_PLUG (obj))
char *id = g_object_get_data (G_OBJECT (obj), "dbus-plug-parent");
char *bus_parent;
char *path_parent;
if (id)
bus_parent = g_strdup (id);
if (bus_parent && (path_parent = g_utf8_strchr (bus_parent + 1, -1, ':')))
DBusMessageIter iter_parent;
*(path_parent++) = '\0';
dbus_message_iter_open_container (&iter_variant, DBUS_TYPE_STRUCT, NULL,
&iter_parent);
dbus_message_iter_append_basic (&iter_parent, DBUS_TYPE_STRING, &bus_parent);
dbus_message_iter_append_basic (&iter_parent, DBUS_TYPE_OBJECT_PATH, &path_parent);
dbus_message_iter_close_container (&iter_variant, &iter_parent);
else
spi_object_append_null_reference (&iter_variant);
else if (role != ATSPI_ROLE_APPLICATION)
spi_object_append_desktop_reference (&iter_variant);
spi_object_append_reference (&iter_variant, parent);
dbus_message_iter_close_container (iter, &iter_variant);
return TRUE;
impl_get_ChildCount (DBusMessageIter *iter, void *user_data)
int childCount;
childCount = (ATK_IS_SOCKET (object) && atk_socket_is_occupied (ATK_SOCKET (object)))
? 1
: atk_object_get_n_accessible_children (object);
return droute_return_v_int32 (iter, childCount);
static DBusMessage *
impl_GetChildAtIndex (DBusConnection *bus,
DBusMessage *message,
void *user_data)
DBusMessage *reply;
dbus_int32_t i;
AtkObject *child;
g_return_val_if_fail (ATK_IS_OBJECT (user_data),
droute_not_yet_handled_error (message));
if (!dbus_message_get_args (message, NULL, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID))
return droute_invalid_arguments_error (message);
if (ATK_IS_SOCKET (object) && atk_socket_is_occupied (ATK_SOCKET (object)) && i == 0)
AtkSocket *socket = ATK_SOCKET (object);
gchar *child_name, *child_path;
child_name = g_strdup (socket->embedded_plug_id);
child_path = g_utf8_strchr (child_name + 1, -1, ':');
if (child_path)
DBusMessageIter iter, iter_socket;
*(child_path++) = '\0';
reply = dbus_message_new_method_return (message);
if (!reply)
return NULL;
dbus_message_iter_init_append (reply, &iter);
dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
&iter_socket);
dbus_message_iter_append_basic (&iter_socket, DBUS_TYPE_STRING, &child_name);
dbus_message_iter_append_basic (&iter_socket, DBUS_TYPE_OBJECT_PATH, &child_path);
g_free (child_name);
dbus_message_iter_close_container (&iter, &iter_socket);
return reply;
child = atk_object_ref_accessible_child (object, i);
reply = spi_object_return_reference (message, child);
if (child)
g_object_unref (child);
impl_GetChildren (DBusConnection *bus,
gint i;
gint count;
DBusMessageIter iter, iter_array;
count = atk_object_get_n_accessible_children (object);
if (count > ATSPI_MAX_CHILDREN)
gchar *errmsg = g_strdup_printf (
"Accessible's child count %d exceeds the maximum of %d handled by GetChildren.", count, ATSPI_MAX_CHILDREN);
reply = dbus_message_new_error (message, DBUS_ERROR_INVALID_ARGS, errmsg);
g_free (errmsg);
goto oom;
if (!dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(so)", &iter_array))
if (ATK_IS_SOCKET (object) && atk_socket_is_occupied (ATK_SOCKET (object)))
DBusMessageIter iter_struct;
dbus_message_iter_open_container (&iter_array, DBUS_TYPE_STRUCT, NULL,
&iter_struct);
dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING,
&child_name);
dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH,
&child_path);
dbus_message_iter_close_container (&iter_array, &iter_struct);
if (!dbus_message_iter_close_container (&iter, &iter_array))
for (i = 0; i < count; i++)
AtkObject *child = atk_object_ref_accessible_child (object, i);
spi_object_append_reference (&iter_array, child);
oom:
// TODO: handle out-of-memory
impl_GetIndexInParent (DBusConnection *bus,
dbus_int32_t rv;
rv = atk_object_get_index_in_parent (object);
dbus_message_append_args (reply, DBUS_TYPE_INT32, &rv, DBUS_TYPE_INVALID);
static gboolean
spi_init_relation_type_table (AtspiRelationType *types)
for (i = 0; i < ATK_RELATION_LAST_DEFINED; i++)
types[i] = ATSPI_RELATION_NULL;
types[ATK_RELATION_CONTROLLED_BY] = ATSPI_RELATION_CONTROLLED_BY;
types[ATK_RELATION_CONTROLLER_FOR] = ATSPI_RELATION_CONTROLLER_FOR;
types[ATK_RELATION_LABEL_FOR] = ATSPI_RELATION_LABEL_FOR;
types[ATK_RELATION_LABELLED_BY] = ATSPI_RELATION_LABELLED_BY;
types[ATK_RELATION_MEMBER_OF] = ATSPI_RELATION_MEMBER_OF;
types[ATK_RELATION_NODE_CHILD_OF] = ATSPI_RELATION_NODE_CHILD_OF;
types[ATK_RELATION_FLOWS_TO] = ATSPI_RELATION_FLOWS_TO;
types[ATK_RELATION_FLOWS_FROM] = ATSPI_RELATION_FLOWS_FROM;
types[ATK_RELATION_SUBWINDOW_OF] = ATSPI_RELATION_SUBWINDOW_OF;
types[ATK_RELATION_EMBEDS] = ATSPI_RELATION_EMBEDS;
types[ATK_RELATION_EMBEDDED_BY] = ATSPI_RELATION_EMBEDDED_BY;
types[ATK_RELATION_POPUP_FOR] = ATSPI_RELATION_POPUP_FOR;
types[ATK_RELATION_PARENT_WINDOW_OF] =
ATSPI_RELATION_PARENT_WINDOW_OF;
types[ATK_RELATION_DESCRIPTION_FOR] =
ATSPI_RELATION_DESCRIPTION_FOR;
types[ATK_RELATION_DESCRIBED_BY] = ATSPI_RELATION_DESCRIBED_BY;
types[ATK_RELATION_DETAILS] = ATSPI_RELATION_DETAILS;
types[ATK_RELATION_DETAILS_FOR] = ATSPI_RELATION_DETAILS_FOR;
types[ATK_RELATION_ERROR_MESSAGE] = ATSPI_RELATION_ERROR_MESSAGE;
types[ATK_RELATION_ERROR_FOR] = ATSPI_RELATION_ERROR_FOR;
types[ATK_RELATION_NODE_PARENT_OF] = ATSPI_RELATION_NODE_PARENT_OF;
static AtspiRelationType
spi_relation_type_from_atk_relation_type (AtkRelationType type)
static gboolean is_initialized = FALSE;
spi_relation_type_table[ATK_RELATION_LAST_DEFINED];
AtspiRelationType spi_type;
if (!is_initialized)
is_initialized = spi_init_relation_type_table (spi_relation_type_table);
if (type > ATK_RELATION_NULL && type < ATK_RELATION_LAST_DEFINED)
spi_type = spi_relation_type_table[type];
spi_type = ATSPI_RELATION_EXTENDED;
return spi_type;
impl_GetRelationSet (DBusConnection *bus,
AtkRelationSet *set;
DBusMessageIter iter, iter_array, iter_struct, iter_targets;
gint i, j;
set = atk_object_ref_relation_set (object);
if (!dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ua(so))", &iter_array))
count = 0;
if (set)
count = atk_relation_set_get_n_relations (set);
AtkRelation *r = atk_relation_set_get_relation (set, i);
AtkRelationType rt;
GPtrArray *target;
dbus_uint32_t type;
if (!r)
continue;
rt = atk_relation_get_relation_type (r);
type = spi_relation_type_from_atk_relation_type (rt);
target = atk_relation_get_target (r);
if (!dbus_message_iter_open_container (&iter_array, DBUS_TYPE_STRUCT, NULL, &iter_struct))
dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_UINT32, &type);
if (!dbus_message_iter_open_container (&iter_struct, DBUS_TYPE_ARRAY, "(so)", &iter_targets))
for (j = 0; j < target->len; j++)
AtkObject *obj = target->pdata[j];
if (!obj)
spi_object_append_reference (&iter_targets, obj);
dbus_message_iter_close_container (&iter_struct, &iter_targets);
dbus_message_iter_close_container (&iter, &iter_array);
g_object_unref (set);
// TODO: handle out of memory */
impl_GetRole (DBusConnection *bus, DBusMessage *message, void *user_data)
gint role;
dbus_uint32_t rv;
role = atk_object_get_role (object);
rv = spi_accessible_role_from_atk_role (role);
if (reply)
dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv,
DBUS_TYPE_INVALID);
impl_GetRoleName (DBusConnection *bus,
const char *role_name;
role_name = atk_role_get_name (role);
if (!role_name)
role_name = "";
dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
impl_GetLocalizedRoleName (DBusConnection *bus,
role_name = atk_role_get_localized_name (role);
impl_GetState (DBusConnection *bus, DBusMessage *message, void *user_data)
DBusMessage *reply = NULL;
dbus_uint32_t states[2];
guint count;
spi_atk_state_to_dbus_array (object, states);
dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "u", &iter_array);
for (count = 0; count < 2; count++)
dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_UINT32,
&states[count]);
impl_GetAttributes (DBusConnection *bus,
AtkAttributeSet *attributes;
DBusMessageIter iter;
attributes = atk_object_get_attributes (object);
spi_object_append_attribute_set (&iter, attributes);
atk_attribute_set_free (attributes);
impl_get_Attributes (DBusMessageIter *iter, void *user_data)
dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "a{ss}", &iter_variant);
spi_object_append_attribute_set (&iter_variant, attributes);
impl_GetApplication (DBusConnection *bus,
return spi_object_return_reference (message, atk_get_root ());
impl_GetInterfaces (DBusConnection *bus,
dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s",
&iter_array);
spi_object_append_interfaces (&iter_array, object);
impl_get_AccessibleId (DBusMessageIter *iter, void *user_data)
return droute_return_v_string (iter, atk_object_get_accessible_id (object));
impl_get_HelpText (DBusMessageIter *iter, void *user_data)
return droute_return_v_string (iter, atk_object_get_help_text (object));
static DRouteMethod methods[] = {
{ impl_GetChildAtIndex, "GetChildAtIndex" },
{ impl_GetChildren, "GetChildren" },
{ impl_GetIndexInParent, "GetIndexInParent" },
{ impl_GetRelationSet, "GetRelationSet" },
{ impl_GetRole, "GetRole" },
{ impl_GetRoleName, "GetRoleName" },
{ impl_GetLocalizedRoleName, "GetLocalizedRoleName" },
{ impl_GetState, "GetState" },
{ impl_GetAttributes, "GetAttributes" },
{ impl_GetApplication, "GetApplication" },
{ impl_GetInterfaces, "GetInterfaces" },
{ NULL, NULL }
};
static DRouteProperty properties[] = {
{ impl_get_Name, NULL, "Name" },
{ impl_get_Description, NULL, "Description" },
{ impl_get_Locale, NULL, "Locale" },
{ impl_get_Parent, NULL, "Parent" },
{ impl_get_ChildCount, NULL, "ChildCount" },
{ impl_get_Attributes, NULL, "Attributes" },
{ impl_get_AccessibleId, NULL, "AccessibleId" },
{ impl_get_HelpText, NULL, "HelpText" },
{ impl_get_Version, NULL, "version" },
{ NULL, NULL, NULL }
void
spi_initialize_accessible (DRoutePath *path)
spi_atk_add_interface (path,
ATSPI_DBUS_INTERFACE_ACCESSIBLE,
spi_org_a11y_atspi_Accessible,
methods, properties);