/*
- * accessible.c: test for accessibility implementation
+ * AT-SPI - Assistive Technology Service Provider Interface
+ * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
+ * Copyright 2001 Sun Microsystems Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library 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.
*/
-#include <config.h>
-#include <bonobo/Bonobo.h>
+/* accessible.c: the core of the accessibility implementation */
+
+#include <config.h>
#include <stdio.h>
+#include <bonobo/bonobo-exception.h>
+#include <atk/atk.h>
+#include <libspi/libspi.h>
+
+/* Our parent Gtk object type */
+#define PARENT_TYPE SPI_TYPE_BASE
+
+static AtkObject *
+get_accessible_from_servant (PortableServer_Servant servant)
+{
+ SpiBase *object = SPI_BASE (bonobo_object_from_servant (servant));
+
+ if (!object)
+ {
+ return NULL;
+ }
+
+ return object->atko;
+}
+
+/*
+ * CORBA Accessibility::Accessible::get_name method implementation
+ */
+static CORBA_char *
+impl_accessibility_accessible_get_name (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ const gchar *name;
+ CORBA_char *retval;
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_val_if_fail (object != NULL, CORBA_string_dup (""));
+
+ name = atk_object_get_name (object);
+
+ if (name)
+ {
+ retval = CORBA_string_dup (name);
+ }
+ else
+ {
+ retval = CORBA_string_dup ("");
+ }
+
+ return retval;
+}
+
+/*
+ * CORBA Accessibility::Accessible::set_name method implementation
+ */
+static void
+impl_accessibility_accessible_set_name (PortableServer_Servant servant,
+ const CORBA_char *name,
+ CORBA_Environment *ev)
+{
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_if_fail (object != NULL);
+
+ atk_object_set_name (object, name);
+}
/*
- * This pulls the CORBA definitions for the "Accessibility::Accessible" server
+ * CORBA Accessibility::Accessible::get_description method implementation
*/
-#include "Accessible.h"
+static CORBA_char *
+impl_accessibility_accessible_get_description (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ const gchar *descr;
+ CORBA_char *retval;
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_val_if_fail (object != NULL, CORBA_string_dup (""));
+
+ descr = atk_object_get_description (object);
+
+ if (descr)
+ {
+ retval = CORBA_string_dup (descr);
+ }
+ else
+ {
+ retval = CORBA_string_dup ("");
+ }
+
+ return retval;
+}
/*
- * This pulls the definition for the BonoboObject (Gtk Type)
+ * CORBA Accessibility::Accessible::set_description method implementation
*/
-#include "accessible.h"
+static void
+impl_accessibility_accessible_set_description (PortableServer_Servant servant,
+ const CORBA_char *descr,
+ CORBA_Environment *ev)
+{
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_if_fail (object != NULL);
+
+ atk_object_set_description (object, descr);
+}
/*
- * Our parent Gtk object type
+ * CORBA Accessibility::Accessible::get_parent method implementation
*/
-#define PARENT_TYPE BONOBO_X_OBJECT_TYPE
+static Accessibility_Accessible
+impl_accessibility_accessible_get_parent (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ AtkObject *parent;
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_val_if_fail (object != NULL, CORBA_OBJECT_NIL);
+
+ parent = atk_object_get_parent (object);
+
+ return spi_accessible_new_return (parent, FALSE, ev);
+}
/*
- * A pointer to our parent object class
+ * CORBA Accessibility::Accessible::get_IndexInParent method implementation
*/
-static GObjectClass *accessible_parent_class;
+static CORBA_long
+impl_accessibility_accessible_get_index_in_parent (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_val_if_fail (object != NULL, -1);
+
+ return atk_object_get_index_in_parent (object);
+}
/*
- * Implemented GObject::finalize
+ * CORBA Accessibility::Accessible::get_childCount method implementation
*/
-static void
-accessible_object_finalize (GObject *object)
+static CORBA_long
+impl_accessibility_accessible_get_child_count (PortableServer_Servant servant,
+ CORBA_Environment *ev)
{
- Accessible *accessible = ACCESSIBLE (object);
+ AtkObject *object = get_accessible_from_servant (servant);
- printf("accessible_object_finalize called\n");
- g_free (accessible->atko);
+ g_return_val_if_fail (object != NULL, 0);
- printf("atko freed, calling parent finalize\n");
- accessible_parent_class->finalize (object);
+ return atk_object_get_n_accessible_children (object);
}
/*
- * CORBA Accessibility::Accessible::get_name method implementation
+ * CORBA Accessibility::Accessible::getChildAtIndex method implementation
*/
-static CORBA_char *
-impl_accessibility_accessible_get_name (PortableServer_Servant servant,
- CORBA_Environment *ev)
+static Accessibility_Accessible
+impl_accessibility_accessible_get_child_at_index (PortableServer_Servant servant,
+ const CORBA_long index,
+ CORBA_Environment *ev)
+{
+ AtkObject *child;
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_val_if_fail (object != NULL, 0);
+
+ child = atk_object_ref_accessible_child (object, index);
+
+ return spi_accessible_new_return (child, TRUE, ev);
+}
+
+/*
+ * CORBA Accessibility::Accessible::getState method implementation
+ */
+static Accessibility_StateSet
+impl_accessibility_accessible_get_state (PortableServer_Servant servant,
+ CORBA_Environment *ev)
{
- CORBA_char * retval;
- Accessible *accessible = ACCESSIBLE (bonobo_object_from_servant (servant));
- retval = CORBA_string_dup (atk_object_get_name (accessible->atko));
- fprintf (stderr, "Accessible get_name called: %s\n", retval);
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ bonobo_return_val_if_fail (object != NULL, NULL, ev);
+
+ printf ("SpiAccessible get_state.\n");
+
+ /* TODO: implement the bonobo stateset class */
+ return (Accessibility_StateSet) NULL;
+}
+
+/*
+ * CORBA Accessibility::Accessible::getRelationSet method implementation
+ */
+static Accessibility_RelationSet *
+impl_accessibility_accessible_get_relation_set (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ Accessibility_RelationSet *retval;
+ gint n_relations;
+ gint i;
+ AtkRelationSet *relation_set;
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ bonobo_return_val_if_fail (object != NULL, NULL, ev);
+
+ relation_set = atk_object_ref_relation_set (object);
+
+ n_relations = atk_relation_set_get_n_relations (relation_set);
+ retval = CORBA_sequence_Accessibility_Relation__alloc ();
+ CORBA_sequence_Accessibility_Relation_allocbuf (n_relations);
+
+ for (i = 0; i < n_relations; ++i)
+ {
+ retval->_buffer[i] =
+ bonobo_object_dup_ref (
+ BONOBO_OBJREF (
+ spi_relation_new (atk_relation_set_get_relation (relation_set, i))),
+ ev);
+ }
+
+ printf ("SpiAccessible get_relation_set.\n");
return retval;
}
/*
- * CORBA Accessibility::Accessible::set_name method implementation
+ * CORBA Accessibility::Accessible::getRole method implementation
*/
-static void
-impl_accessibility_accessible_set_name (PortableServer_Servant servant,
- const CORBA_char *name,
- CORBA_Environment *ev)
+static Accessibility_Role
+impl_accessibility_accessible_get_role (PortableServer_Servant servant,
+ CORBA_Environment *ev)
{
- Accessible *accessible = ACCESSIBLE (bonobo_object_from_servant (servant));
- atk_object_set_name (accessible->atko, name);
- printf ("Accessible set_name called: %s\n", name);
+ AtkRole role;
+ Accessibility_Role retval;
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_val_if_fail (object != NULL, 0);
+
+ role = atk_object_get_role (object);
+ retval = role; /* FIXME: relies on ability to cast these back and forth */
+
+ return retval;
}
static void
-accessible_class_init (AccessibleClass *klass)
+spi_accessible_class_init (SpiAccessibleClass *klass)
{
- GObjectClass * object_class = (GObjectClass *) klass;
POA_Accessibility_Accessible__epv *epv = &klass->epv;
- accessible_parent_class = g_type_class_ref (BONOBO_X_OBJECT_TYPE);
- /*accessible_parent_class = g_type_class_peek_parent (klass);*/
-
- object_class->finalize = accessible_object_finalize;
epv->_get_name = impl_accessibility_accessible_get_name;
epv->_set_name = impl_accessibility_accessible_set_name;
+ epv->_get_description = impl_accessibility_accessible_get_description;
+ epv->_set_description = impl_accessibility_accessible_set_description;
+
+ epv->_get_parent = impl_accessibility_accessible_get_parent;
+ epv->_get_childCount = impl_accessibility_accessible_get_child_count;
+ epv->getChildAtIndex = impl_accessibility_accessible_get_child_at_index;
+ epv->getIndexInParent = impl_accessibility_accessible_get_index_in_parent;
+
+ epv->getRelationSet = impl_accessibility_accessible_get_relation_set;
+ epv->getState = impl_accessibility_accessible_get_state;
+ epv->getRole = impl_accessibility_accessible_get_role;
+}
+
+static void
+spi_accessible_init (SpiAccessible *accessible)
+{
+}
+
+BONOBO_TYPE_FUNC_FULL (SpiAccessible,
+ Accessibility_Accessible,
+ PARENT_TYPE,
+ spi_accessible);
+
+static GHashTable *public_corba_refs = NULL;
+
+static GHashTable *
+get_public_refs (void)
+{
+ if (!public_corba_refs)
+ {
+ public_corba_refs = g_hash_table_new (NULL, NULL);
+ }
+ return public_corba_refs;
}
static void
-accessible_init (Accessible *accessible)
-{
-}
-
-GType
-accessible_get_type (void)
-{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo tinfo = {
- sizeof (AccessibleClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) accessible_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class data */
- sizeof (Accessible),
- 0, /* n preallocs */
- (GInstanceInitFunc) accessible_init,
- NULL /* value table */
- };
- /*
- * Here we use bonobo_x_type_unique instead of
- * gtk_type_unique, this auto-generates a load of
- * CORBA structures for us. All derived types must
- * use bonobo_x_type_unique.
- */
- type = bonobo_x_type_unique (
- PARENT_TYPE,
- POA_Accessibility_Accessible__init,
- NULL,
- G_STRUCT_OFFSET (AccessibleClass, epv),
- &tinfo,
- "Accessible");
- }
-
- return type;
-}
-
-Accessible *
-accessible_new (AtkObject *o)
-{
- Accessible *retval =
- ACCESSIBLE (g_object_new (accessible_get_type (), NULL));
- retval->atko = ATK_OBJECT (o);
+de_register_public_ref (SpiBase *object)
+{
+ g_hash_table_remove (get_public_refs (), object->atko);
+}
+
+SpiAccessible *
+spi_accessible_new (AtkObject *o)
+{
+ SpiAccessible *retval;
+ CORBA_Environment ev;
+
+ CORBA_exception_init (&ev);
+
+ if ((retval = g_hash_table_lookup (get_public_refs (), o)))
+ {
+ bonobo_object_ref (BONOBO_OBJECT (retval));
+ return retval;
+ }
+
+ retval = g_object_new (SPI_ACCESSIBLE_TYPE, NULL);
+
+ spi_base_construct (SPI_BASE (retval), o);
+
+ g_hash_table_insert (get_public_refs (), o, retval);
+ g_signal_connect (G_OBJECT (retval), "destroy",
+ G_CALLBACK (de_register_public_ref),
+ NULL);
+
+ /* aggregate appropriate SPI interfaces based on ATK interfaces */
+
+ if (ATK_IS_ACTION (o))
+ {
+ bonobo_object_add_interface (bonobo_object (retval),
+ BONOBO_OBJECT (spi_action_interface_new (o)));
+ }
+
+ if (ATK_IS_COMPONENT (o))
+ {
+ bonobo_object_add_interface (bonobo_object (retval),
+ BONOBO_OBJECT (spi_component_interface_new (o)));
+ }
+
+ if (ATK_IS_EDITABLE_TEXT (o))
+ {
+ bonobo_object_add_interface (bonobo_object (retval),
+ BONOBO_OBJECT(spi_editable_text_interface_new (o)));
+ }
+
+ else if (ATK_IS_HYPERTEXT (o))
+ {
+ bonobo_object_add_interface (bonobo_object (retval),
+ BONOBO_OBJECT (spi_hypertext_interface_new (o)));
+ }
+
+ else if (ATK_IS_TEXT (o))
+ {
+ bonobo_object_add_interface (bonobo_object (retval),
+ BONOBO_OBJECT (spi_text_interface_new (o)));
+ }
+
+ if (ATK_IS_IMAGE (o))
+ {
+ bonobo_object_add_interface (bonobo_object (retval),
+ BONOBO_OBJECT (spi_image_interface_new (o)));
+ }
+
+ if (ATK_IS_SELECTION (o))
+ {
+ bonobo_object_add_interface (bonobo_object (retval),
+ BONOBO_OBJECT (spi_selection_interface_new (o)));
+ }
+
+ if (ATK_IS_TABLE (o))
+ {
+ bonobo_object_add_interface (bonobo_object (retval),
+ BONOBO_OBJECT (spi_table_interface_new (o)));
+ }
+
+ if (ATK_IS_VALUE (o))
+ {
+ bonobo_object_add_interface (bonobo_object (retval),
+ BONOBO_OBJECT (spi_value_interface_new (o)));
+ }
+
return retval;
}
+
+/**
+ * spi_accessible_new_return:
+ * @o: an AtkObject or NULL
+ * @release_ref: whether to unref this AtkObject before return
+ * @ev: a CORBA environment
+ *
+ * A helper function to instantiate a CORBA accessiblility
+ * proxy from an AtkObject.
+ *
+ * Return value: the proxy or CORBA_OBJECT_NIL
+ **/
+Accessibility_Accessible
+spi_accessible_new_return (AtkObject *o,
+ gboolean release_ref,
+ CORBA_Environment *ev)
+{
+ SpiAccessible *accessible;
+
+ if (!o)
+ {
+ return CORBA_OBJECT_NIL;
+ }
+
+ accessible = spi_accessible_new (o);
+
+ if (release_ref)
+ {
+ g_object_unref (G_OBJECT (o));
+ }
+
+ return CORBA_Object_duplicate (BONOBO_OBJREF (accessible), ev);
+}
projects / platform / core / uifw / at-spi2-atk.git / blobdiff