* Boston, MA 02111-1307, USA.
*/
-/*
- * accessible.c: test for accessibility implementation
- *
- */
-#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>
-/*
- * This pulls the CORBA definitions for the "Accessibility::Accessible" server
- */
-#include <libspi/Accessibility.h>
-
-/*
- * This pulls the definition for the BonoboObject (Gtk Type)
- */
-#include "accessible.h"
-#include "component.h"
-#include "editabletext.h"
-#include "hyperlink.h"
-#include "hypertext.h"
-#include "image.h"
-#include "selection.h"
-#include "table.h"
-#include "text.h"
-#include "value.h"
-#include "action.h"
-
-/*
- * Our parent Gtk object type
- */
-#define PARENT_TYPE BONOBO_OBJECT_TYPE
+/* Our parent Gtk object type */
+#define PARENT_TYPE SPI_TYPE_BASE
-/*
- * A pointer to our parent object class
- */
-static GObjectClass *spi_accessible_parent_class;
-
-/*
- * Implemented GObject::finalize
- */
-static void
-spi_accessible_object_finalize (GObject *object)
+static AtkObject *
+get_accessible_from_servant (PortableServer_Servant servant)
{
- SpiAccessible *accessible = SPI_ACCESSIBLE (object);
+ SpiBase *object = SPI_BASE (bonobo_object_from_servant (servant));
- printf("spi_accessible_object_finalize called\n");
- ATK_OBJECT (accessible->atko); /* assertion */
- g_object_unref (G_OBJECT(accessible->atko));
- accessible->atko = NULL;
+ if (!object)
+ {
+ return NULL;
+ }
- printf("atko freed, calling parent finalize\n");
- spi_accessible_parent_class->finalize (object);
+ return object->atko;
}
/*
impl_accessibility_accessible_get_name (PortableServer_Servant servant,
CORBA_Environment *ev)
{
- CORBA_char * retval;
- SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- retval = (CORBA_char *) atk_object_get_name (accessible->atko);
- if (retval )
- retval = CORBA_string_dup (retval);
+ 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 ("");
+ {
+ retval = CORBA_string_dup ("");
+ }
return retval;
}
const CORBA_char *name,
CORBA_Environment *ev)
{
- SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- atk_object_set_name (accessible->atko, name);
- printf ("SpiAccessible set_name called: %s\n", name);
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_if_fail (object != NULL);
+
+ atk_object_set_name (object, name);
}
/*
impl_accessibility_accessible_get_description (PortableServer_Servant servant,
CORBA_Environment *ev)
{
- CORBA_char * retval;
- SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- retval = CORBA_string_dup (atk_object_get_description (accessible->atko));
+ 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;
}
*/
static void
impl_accessibility_accessible_set_description (PortableServer_Servant servant,
- const CORBA_char *name,
+ const CORBA_char *descr,
CORBA_Environment *ev)
{
- SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- atk_object_set_description (accessible->atko, name);
- printf ("SpiAccessible set_description called: %s\n", name);
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_if_fail (object != NULL);
+
+ atk_object_set_description (object, descr);
}
/*
impl_accessibility_accessible_get_parent (PortableServer_Servant servant,
CORBA_Environment *ev)
{
- Accessibility_Accessible retval;
- SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- AtkObject *parent;
+ AtkObject *parent;
+ AtkObject *object = get_accessible_from_servant (servant);
- parent = atk_object_get_parent (accessible->atko);
- retval = BONOBO_OBJREF (spi_accessible_new (parent));
+ g_return_val_if_fail (object != NULL, CORBA_OBJECT_NIL);
- printf ("SpiAccessible get_parent called\n");
+ parent = atk_object_get_parent (object);
- return CORBA_Object_duplicate (retval, ev);
+ return spi_accessible_new_return (parent, FALSE, ev);
}
/*
impl_accessibility_accessible_get_index_in_parent (PortableServer_Servant servant,
CORBA_Environment *ev)
{
- CORBA_long retval;
- SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- retval = (CORBA_long) atk_object_get_index_in_parent (accessible->atko);
- printf ("SpiAccessible get_index_in_parent called\n");
- return retval;
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_val_if_fail (object != NULL, -1);
+
+ return atk_object_get_index_in_parent (object);
}
/*
impl_accessibility_accessible_get_child_count (PortableServer_Servant servant,
CORBA_Environment *ev)
{
- CORBA_long retval;
- SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- retval = (CORBA_long) atk_object_get_n_accessible_children (accessible->atko);
- printf ("SpiAccessible get_childCount called: %d\n", (int) retval);
- return retval;
+ AtkObject *object = get_accessible_from_servant (servant);
+
+ g_return_val_if_fail (object != NULL, 0);
+
+ return atk_object_get_n_accessible_children (object);
}
/*
const CORBA_long index,
CORBA_Environment *ev)
{
- Accessibility_Accessible retval;
- SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- AtkObject *child = atk_object_ref_accessible_child (accessible->atko, (gint) index);
- retval = BONOBO_OBJREF (spi_accessible_new (child));
- printf ("SpiAccessible get_child_at_index called.\n");
- return CORBA_Object_duplicate (retval, 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);
}
/*
impl_accessibility_accessible_get_state (PortableServer_Servant servant,
CORBA_Environment *ev)
{
- Accessibility_StateSet retval;
-/* SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- AtkStateSet *state = atk_object_ref_state_set (accessible->atko); */
- retval = CORBA_OBJECT_NIL;
+ 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) retval;
+ return (Accessibility_StateSet) NULL;
}
/*
CORBA_Environment *ev)
{
Accessibility_RelationSet *retval;
-/* SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- AtkRelationSet *relation_set = atk_object_ref_relation_set (accessible->atko); */
+ 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 ();
- /*
- * TODO: fill the sequence with relation set objects, themselves
- * initialized from the AtkRelation object in the AtkRelationSet.
- */
+ 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;
}
impl_accessibility_accessible_get_role (PortableServer_Servant servant,
CORBA_Environment *ev)
{
+ AtkRole role;
Accessibility_Role retval;
- SpiAccessible *accessible = SPI_ACCESSIBLE (bonobo_object_from_servant (servant));
- AtkRole role = atk_object_get_role (accessible->atko);
- retval = role;
- printf ("SpiAccessible get_role.\n");
- return (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
spi_accessible_class_init (SpiAccessibleClass *klass)
{
- GObjectClass * object_class = (GObjectClass *) klass;
POA_Accessibility_Accessible__epv *epv = &klass->epv;
- spi_accessible_parent_class = g_type_class_peek_parent (klass);
-
- object_class->finalize = spi_accessible_object_finalize;
epv->_get_name = impl_accessibility_accessible_get_name;
epv->_set_name = impl_accessibility_accessible_set_name;
{
}
-GType
-spi_accessible_get_type (void)
+BONOBO_TYPE_FUNC_FULL (SpiAccessible,
+ Accessibility_Accessible,
+ PARENT_TYPE,
+ spi_accessible);
+
+static GHashTable *public_corba_refs = NULL;
+
+static GHashTable *
+get_public_refs (void)
{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo tinfo = {
- sizeof (SpiAccessibleClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) spi_accessible_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class data */
- sizeof (SpiAccessible),
- 0, /* n preallocs */
- (GInstanceInitFunc) spi_accessible_init,
- NULL /* value table */
- };
- /*
- * Bonobo_type_unique auto-generates a load of
- * CORBA structures for us. All derived types must
- * use bonobo_type_unique.
- */
- type = bonobo_type_unique (
- PARENT_TYPE,
- POA_Accessibility_Accessible__init,
- NULL,
- G_STRUCT_OFFSET (SpiAccessibleClass, epv),
- &tinfo,
- "SpiAccessible");
- }
-
- return type;
+ if (!public_corba_refs)
+ {
+ public_corba_refs = g_hash_table_new (NULL, NULL);
+ }
+ return public_corba_refs;
+}
+
+static void
+de_register_public_ref (SpiBase *object)
+{
+ g_hash_table_remove (get_public_refs (), object->atko);
}
SpiAccessible *
spi_accessible_new (AtkObject *o)
{
- SpiAccessible *retval =
- SPI_ACCESSIBLE (g_object_new (spi_accessible_get_type (), NULL));
+ SpiAccessible *retval;
CORBA_Environment ev;
+
CORBA_exception_init (&ev);
- g_object_ref (o);
- retval->atko = ATK_OBJECT (o);
- /*
- * TODO: add interface containers/constructors for SPI_EDITABLE_TEXT, SPI_HYPERTEXT,
- * SPI_IMAGE, SPI_SELECTION, SPI_TABLE, SPI_TEXT, SPI_VALUE.
- */
+ g_assert (o);
+
+ 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);
- /* add appropriate ATK interfaces */
+ 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))
{
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);
+}