/*
- * application.c: implements Application.idl
+ * 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.
+ */
+
+/*
+ * application.c: implements SpiApplication.idl
*
*/
+#include <string.h>
#include <config.h>
#include <bonobo/Bonobo.h>
-#include "atksimpleobject.h"
+#include <atk/atkutil.h>
/*
* This pulls the CORBA definitions for the "Accessibility::Accessible" server
*/
-#include "Desktop.h"
+#include <libspi/Accessibility.h>
/*
* This pulls the definition for the BonoboObject (GObject Type)
/*
* Our parent Gtk object type
*/
-#define PARENT_TYPE ACCESSIBLE_TYPE
+#define PARENT_TYPE SPI_ACCESSIBLE_TYPE
+
+/*
+ * A pointer to our parent object class
+ */
+static SpiAccessibleClass *spi_application_parent_class;
+
+static SpiApplication *the_app;
+
+/* static methods */
+
+static void notify_listeners (GList *listeners,
+ Accessibility_Event *e,
+ CORBA_Environment *ev);
+
+static char* lookup_toolkit_event_for_name (char *generic_name);
+
+static char* reverse_lookup_name_for_toolkit_event (char *toolkit_name);
+
+/*
+ * Implemented GObject::finalize
+ */
+static void
+spi_accessible_application_finalize (GObject *object)
+{
+ /* TODO: any necessary cleanup */
+ (G_OBJECT_CLASS (spi_application_parent_class))->finalize (object);
+}
+
+static CORBA_string
+impl_accessibility_application_get_toolkit_name (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ CORBA_char *retval;
+ SpiApplication *application = SPI_APPLICATION (bonobo_object_from_servant (servant));
+ retval = CORBA_string_dup (atk_get_toolkit_name ());
+ return retval;
+}
+
+static CORBA_string
+impl_accessibility_application_get_version (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ CORBA_char *retval;
+ SpiApplication *application = SPI_APPLICATION (bonobo_object_from_servant (servant));
+ retval = CORBA_string_dup (atk_get_toolkit_version ());
+ return retval;
+}
+
+static CORBA_long
+impl_accessibility_application_get_id (PortableServer_Servant servant,
+ CORBA_Environment *ev)
+{
+ CORBA_long retval;
+ SpiApplication *application = SPI_APPLICATION (bonobo_object_from_servant (servant));
+ retval = (CORBA_long) application->id;
+ return retval;
+}
+
+static void
+impl_accessibility_application_set_id (PortableServer_Servant servant,
+ const CORBA_long id,
+ CORBA_Environment *ev)
+{
+ SpiApplication *application = SPI_APPLICATION (bonobo_object_from_servant (servant));
+ application->id = id;
+}
+
+#define APP_STATIC_BUFF_SZ 64
+
+static gboolean
+spi_application_object_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ Accessibility_Event *e = Accessibility_Event__alloc();
+ AtkObject *aobject;
+ GObject *gobject;
+ SpiAccessible *source;
+ CORBA_Environment ev;
+ GSignalQuery signal_query;
+ gchar *name;
+ char sbuf[APP_STATIC_BUFF_SZ];
+ char *generic_name;
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+ name = signal_query.signal_name;
+ fprintf (stderr, "Received (object) signal %s:%s\n",
+ g_type_name (signal_query.itype), name);
+
+ /* TODO: move GTK dependency out of app.c into bridge */
+ snprintf(sbuf, APP_STATIC_BUFF_SZ, "Gtk:%s:%s", g_type_name (signal_query.itype), name);
+
+ generic_name = reverse_lookup_name_for_toolkit_event (sbuf);
+ gobject = g_value_get_object (param_values + 0);
+
+ /* notify the actual listeners */
+ if (ATK_IS_IMPLEMENTOR (gobject))
+ {
+ aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
+ }
+ else if (ATK_IS_OBJECT (gobject))
+ {
+ aobject = ATK_OBJECT (gobject);
+ g_object_ref (G_OBJECT (aobject));
+ }
+ else
+ {
+ g_error("received event from non-AtkImplementor");
+ }
+
+ g_return_val_if_fail (generic_name, FALSE);
+ if (generic_name)
+ {
+ source = spi_accessible_new (aobject);
+ e->type = CORBA_string_dup (generic_name);
+ e->source = BONOBO_OBJREF (source);
+ /*
+ * no need to dup this ref, since it's inprocess
+ * and will be dup'ed by (inprocess) notify_listeners() call below
+ */
+ e->detail1 = 0;
+ e->detail2 = 0;
+ if (the_app) notify_listeners (the_app->toolkit_listeners, e, &ev);
+ /* unref because the in-process notify has called b_o_dup_ref (e->source) */
+ bonobo_object_release_unref (e->source, &ev);
+ }
+ /* and, decrement the refcount on atkobject, incremented moments ago:
+ * the call to spi_accessible_new() above should have added an extra ref */
+ g_object_unref (G_OBJECT (aobject));
+
+ return TRUE;
+}
+
+
+static gboolean
+spi_application_toolkit_event_listener (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ Accessibility_Event *e = Accessibility_Event__alloc();
+ AtkObject *aobject;
+ GObject *gobject;
+ SpiAccessible *source;
+ CORBA_Environment ev;
+ GSignalQuery signal_query;
+ gchar *name;
+ char sbuf[APP_STATIC_BUFF_SZ];
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+ name = signal_query.signal_name;
+ fprintf (stderr, "Received signal %s:%s\n", g_type_name (signal_query.itype), name);
+
+ /* TODO: move GTK dependency out of app.c into bridge */
+ snprintf(sbuf, APP_STATIC_BUFF_SZ, "Gtk:%s:%s", g_type_name (signal_query.itype), name);
+
+ gobject = g_value_get_object (param_values + 0);
+ /* notify the actual listeners */
+ if (ATK_IS_IMPLEMENTOR (gobject))
+ {
+ aobject = atk_implementor_ref_accessible (ATK_IMPLEMENTOR (gobject));
+ source = spi_accessible_new (aobject);
+ e->type = CORBA_string_dup (sbuf);
+ e->source = BONOBO_OBJREF (source);
+ e->detail1 = 0;
+ e->detail2 = 0;
+ if (the_app) notify_listeners (the_app->toolkit_listeners, e, &ev);
+ bonobo_object_unref (source);
+ g_object_unref (G_OBJECT (aobject));
+ }
+ return TRUE;
+}
+
+static void
+impl_accessibility_application_register_toolkit_event_listener (PortableServer_Servant servant,
+ Accessibility_EventListener listener,
+ const CORBA_char *event_name,
+ CORBA_Environment *ev)
+{
+ guint spi_listener_id;
+ spi_listener_id =
+ atk_add_global_event_listener (spi_application_toolkit_event_listener, event_name);
+ the_app->toolkit_listeners = g_list_append (the_app->toolkit_listeners,
+ CORBA_Object_duplicate (listener, ev));
+#ifdef SPI_DEBUG
+ fprintf (stderr, "registered %d for toolkit events named: %s\n",
+ spi_listener_id,
+ event_name);
+#endif
+}
+
+static void
+impl_accessibility_application_register_object_event_listener (PortableServer_Servant servant,
+ Accessibility_EventListener listener,
+ const CORBA_char *event_name,
+ CORBA_Environment *ev)
+{
+ guint spi_listener_id;
+ char *toolkit_specific_event_name = lookup_toolkit_event_for_name (event_name);
+ if (toolkit_specific_event_name)
+ {
+ spi_listener_id =
+ atk_add_global_event_listener (spi_application_object_event_listener,
+ CORBA_string_dup (toolkit_specific_event_name));
+ the_app->toolkit_listeners = g_list_append (the_app->toolkit_listeners,
+ CORBA_Object_duplicate (listener, ev));
+ }
+#ifdef SPI_DEBUG
+ fprintf (stderr, "registered %d for object events named: %s\n",
+ spi_listener_id,
+ event_name);
+#endif
+}
static void
-application_class_init (ApplicationClass *klass)
+notify_listeners (GList *listeners, Accessibility_Event *e, CORBA_Environment *ev)
+{
+ int n_listeners=0;
+ int i;
+ if (listeners) n_listeners = g_list_length (listeners);
+
+ for (i=0; i<n_listeners; ++i) {
+ Accessibility_EventListener listener;
+ e->source = bonobo_object_dup_ref (e->source, ev);
+ listener = (Accessibility_EventListener) g_list_nth_data (listeners, i);
+ Accessibility_EventListener_notifyEvent (listener, e, ev);
+ /*
+ * when this (oneway) call completes, the CORBA refcount and
+ * Bonobo_Unknown refcount will be decremented by the recipient
+ */
+ }
+}
+
+static char *
+lookup_toolkit_event_for_name (char *generic_name)
{
- ;
+ char *toolkit_specific_name;
+ SpiApplicationClass *klass = g_type_class_peek (SPI_APPLICATION_TYPE);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "looking for %s in hash table.\n", generic_name);
+#endif
+ toolkit_specific_name =
+ (char *) g_hash_table_lookup (klass->toolkit_event_names, generic_name);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "generic event %s converted to %s\n", generic_name, toolkit_specific_name);
+#endif
+ return toolkit_specific_name;
+}
+
+static char *
+reverse_lookup_name_for_toolkit_event (char *toolkit_specific_name)
+{
+ char *generic_name;
+ SpiApplicationClass *klass = g_type_class_peek (SPI_APPLICATION_TYPE);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "(reverse lookup) looking for %s in hash table.\n", toolkit_specific_name);
+#endif
+ generic_name =
+ (char *) g_hash_table_lookup (klass->generic_event_names, toolkit_specific_name);
+#ifdef SPI_DEBUG
+ fprintf (stderr, "toolkit event %s converted to %s\n", toolkit_specific_name, generic_name);
+#endif
+ return generic_name;
+}
+
+static void
+init_toolkit_names (GHashTable **generic_event_names, GHashTable **toolkit_event_names)
+{
+ *toolkit_event_names = g_hash_table_new (g_str_hash, g_str_equal);
+ *generic_event_names = g_hash_table_new (g_str_hash, g_str_equal);
+ g_hash_table_insert (*toolkit_event_names,
+ "object:property-change",
+ "Gtk:AtkObject:property-change");
+ g_hash_table_insert (*generic_event_names,
+ "Gtk:AtkObject:property-change",
+ "object:property-change");
+#ifdef SPI_DEBUG
+ fprintf (stderr, "inserted spi_selection_changed hash\n");
+#endif
+}
+
+static void
+spi_application_class_init (SpiApplicationClass *klass)
+{
+ GObjectClass * object_class = (GObjectClass *) klass;
+ POA_Accessibility_Application__epv *epv = &klass->epv;
+
+ spi_application_parent_class = g_type_class_ref (SPI_ACCESSIBLE_TYPE);
+
+ object_class->finalize = spi_accessible_application_finalize;
+
+ epv->_get_toolkitName = impl_accessibility_application_get_toolkit_name;
+ epv->_get_version = impl_accessibility_application_get_version;
+ epv->_get_id = impl_accessibility_application_get_id;
+ epv->_set_id = impl_accessibility_application_set_id;
+ epv->registerToolkitEventListener = impl_accessibility_application_register_toolkit_event_listener;
+ init_toolkit_names (&klass->generic_event_names, &klass->toolkit_event_names);
}
static void
-application_init (Application *application)
+spi_application_init (SpiApplication *application)
{
- ACCESSIBLE (application)->atko = atk_simple_object_new();
+ SPI_ACCESSIBLE (application)->atko = g_object_new (atk_object_get_type(), NULL);
+ application->toolkit_listeners = (GList *) NULL;
+ the_app = application;
}
GType
-application_get_type (void)
+spi_application_get_type (void)
{
static GType type = 0;
if (!type) {
static const GTypeInfo tinfo = {
- sizeof (ApplicationClass),
+ sizeof (SpiApplicationClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
- (GClassInitFunc) application_class_init,
+ (GClassInitFunc) spi_application_class_init,
(GClassFinalizeFunc) NULL,
NULL, /* class data */
- sizeof (Application),
+ sizeof (SpiApplication),
0, /* n preallocs */
- (GInstanceInitFunc) application_init,
+ (GInstanceInitFunc) spi_application_init,
NULL /* value table */
};
/*
- * Here we use bonobo_x_type_unique instead of
- * gtk_type_unique, this auto-generates a load of
+ * Bonobo_type_unique auto-generates a load of
* CORBA structures for us. All derived types must
- * use bonobo_x_type_unique.
+ * use bonobo_type_unique.
*/
- type = bonobo_x_type_unique (
+ type = bonobo_type_unique (
PARENT_TYPE,
POA_Accessibility_Application__init,
NULL,
- G_STRUCT_OFFSET (ApplicationClass, epv),
+ G_STRUCT_OFFSET (SpiApplicationClass, epv),
&tinfo,
- "Application");
+ "SpiApplication");
}
return type;
}
-Application *
-application_new (char *name, char *desc, char *id)
+SpiApplication *
+spi_application_new (AtkObject *app_root)
{
- Application *retval =
- APPLICATION (g_object_new (application_get_type (), NULL));
- atk_object_set_name (ACCESSIBLE (retval)->atko, CORBA_string_dup (name));
- atk_object_set_description (ACCESSIBLE (retval)->atko, CORBA_string_dup (desc));
- retval->id = CORBA_string_dup (id);
+ SpiApplication *retval =
+ SPI_APPLICATION (g_object_new (spi_application_get_type (), NULL));
+ SPI_ACCESSIBLE (retval)->atko = app_root;
+ g_object_ref (G_OBJECT (app_root));
return retval;
}
projects / platform / core / uifw / at-spi2-atk.git / blobdiff