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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 <atk/atk.h>
#include <droute/droute.h>
#include "spi-dbus.h"
#include "accessible-stateset.h"
#include "object.h"
#include "introspection.h"
#include "bridge.h"
static DBusMessage *
new_socket_call_message (AtkComponent *component, const char *member)
{
char *id = g_object_get_data (G_OBJECT (component), "dbus-plug-parent");
char *bus_parent;
char *path_parent;
if (!id)
{
g_warning ("new_socket_call_message: no id");
return NULL;
}
bus_parent = g_strdup (id);
if (bus_parent && (path_parent = g_utf8_strchr (bus_parent + 1, -1, ':')))
{
DBusMessage *message;
*(path_parent++) = '\0';
message = dbus_message_new_method_call (bus_parent, path_parent,
ATSPI_DBUS_INTERFACE_COMPONENT,
member);
g_free (bus_parent);
return message;
}
return NULL;
}
static void
atspi_plug_component_get_extents (AtkComponent *component, gint *x, gint *y,
gint *width, gint *height,
AtkCoordType coord_type)
{
DBusMessage *message = new_socket_call_message (component, "GetExtents");
DBusMessage *reply;
dbus_uint32_t coord_type_dbus = coord_type;
DBusError error;
const char *signature;
DBusMessageIter iter, iter_struct;
dbus_int32_t tmp;
dbus_error_init (&error);
dbus_message_append_args (message, DBUS_TYPE_UINT32, &coord_type_dbus, DBUS_TYPE_INVALID);
reply = dbus_connection_send_with_reply_and_block (spi_global_app_data->bus,
message, -1, &error);
dbus_message_unref (message);
if (!reply)
{
*x = -1;
*y = -1;
*width = -1;
*height = -1;
return;
}
signature = dbus_message_get_signature (reply);
if (g_strcmp0 (signature, "(iiii)") != 0)
{
g_warning ("Got unexpected signature %s from GetExtents\n", signature);
dbus_message_unref (reply);
*x = -1;
*y = -1;
*width = -1;
*height = -1;
return;
}
dbus_message_iter_init (reply, &iter);
dbus_message_iter_recurse (&iter, &iter_struct);
dbus_message_iter_get_basic (&iter_struct, &tmp);
*x = tmp;
dbus_message_iter_next (&iter_struct);
dbus_message_iter_get_basic (&iter_struct, &tmp);
*y = tmp;
dbus_message_iter_next (&iter_struct);
dbus_message_iter_get_basic (&iter_struct, &tmp);
*width = tmp;
dbus_message_iter_next (&iter_struct);
dbus_message_iter_get_basic (&iter_struct, &tmp);
*height = tmp;
dbus_message_unref (reply);
}
static void
atspi_plug_component_get_position (AtkComponent *component, gint *x, gint *y,
AtkCoordType coord_type)
{
DBusMessage *message = new_socket_call_message (component, "GetPosition");
DBusMessage *reply;
dbus_uint32_t coord_type_dbus = coord_type;
DBusError error;
dbus_int32_t x_dbus, y_dbus;
dbus_error_init (&error);
dbus_message_append_args (message, DBUS_TYPE_UINT32, &coord_type_dbus, DBUS_TYPE_INVALID);
reply = dbus_connection_send_with_reply_and_block (spi_global_app_data->bus,
message, -1, &error);
dbus_message_unref (message);
if (!reply)
{
*x = -1;
*y = -1;
return;
}
if (!dbus_message_get_args (reply, NULL, DBUS_TYPE_INT32, &x_dbus,
DBUS_TYPE_INT32, &y_dbus, DBUS_TYPE_INVALID))
{
g_warning ("GetPosition failed: %s", error.message);
dbus_error_free (&error);
*x = -1;
*y = -1;
}
else
{
*x = x_dbus;
*y = y_dbus;
}
dbus_message_unref (reply);
}
static void
atspi_plug_component_get_size (AtkComponent *component,
gint *width, gint *height)
{
DBusMessage *message = new_socket_call_message (component, "GetSize");
DBusMessage *reply;
DBusError error;
dbus_uint32_t width_dbus, height_dbus;
dbus_error_init (&error);
reply = dbus_connection_send_with_reply_and_block (spi_global_app_data->bus,
message, -1, &error);
dbus_message_unref (message);
if (!reply)
{
*width = -1;
*height = -1;
return;
}
if (!dbus_message_get_args (reply, NULL, DBUS_TYPE_INT32, &width_dbus,
DBUS_TYPE_INT32, &height_dbus, DBUS_TYPE_INVALID))
{
g_warning ("GetSize failed: %s", error.message);
dbus_error_free (&error);
*width = -1;
*height = -1;
}
else
{
*width = width_dbus;
*height = height_dbus;
}
dbus_message_unref (reply);
}
static DBusMessage *
impl_Embedded (DBusConnection *bus,
DBusMessage *message,
void *user_data)
{
AtkObject *object = (AtkObject *) user_data;
char *path;
gchar *id;
if (!dbus_message_get_args (message, NULL, DBUS_TYPE_STRING, &path, DBUS_TYPE_INVALID))
{
return droute_invalid_arguments_error (message);
}
id = g_strconcat (dbus_message_get_sender (message), ":", path, NULL);
g_object_set_data_full (G_OBJECT (object), "dbus-plug-parent", id, (GDestroyNotify)g_free);
if (ATK_IS_COMPONENT (object))
{
AtkComponent *component = ATK_COMPONENT (object);
AtkComponentIface *iface = ATK_COMPONENT_GET_IFACE (component);
iface->get_extents = atspi_plug_component_get_extents;
iface->get_size = atspi_plug_component_get_size;
iface->get_position = atspi_plug_component_get_position;
}
/* Retrieve some info about the children, if they exist, when
embedding the plug to ensure the a11y subtree is generated.
https://bugzilla.gnome.org/show_bug.cgi?id=663876 */
atk_object_get_n_accessible_children (object);
return dbus_message_new_method_return (message);
}
static DRouteMethod methods[] = {
{impl_Embedded, "Embedded"},
{NULL, NULL}
};
void
spi_initialize_socket (DRoutePath * path)
{
droute_path_add_interface (path,
ATSPI_DBUS_INTERFACE_SOCKET,
spi_org_a11y_atspi_Socket,
methods, NULL);
};
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