* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
- * Copyright 2001 Sun Microsystems Inc.
+ * Copyright 2001, 2002 Sun Microsystems Inc.,
+ * Copyright 2001, 2002 Ximian, Inc., Ximian Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
-/*
- * desktop.c: implements Desktop.idl
- *
- */
+/* desktop.c: implements SpiDesktop.idl */
-/* #include <config.h> */
+#include <config.h>
+#include <stdio.h>
#include <libbonobo.h>
+#include "desktop.h"
+#include <atk/atkcomponent.h>
+#include <gdk/gdkscreen.h>
+#include <gdk/gdkx.h>
-#include <stdio.h>
+/* SpiDesktop signals */
+enum {
+ APPLICATION_ADDED,
+ APPLICATION_REMOVED,
+LAST_SIGNAL
+};
+static guint spi_desktop_signals[LAST_SIGNAL];
-/*
- * This pulls the CORBA definitions for the "Accessibility::Accessible" server
- */
-#include <libspi/Accessibility.h>
-/*
- * This pulls the definition for the BonoboObject (Gtk Type)
- */
-#include "desktop.h"
+/* Our parent Gtk object type */
+#define PARENT_TYPE SPI_ACCESSIBLE_TYPE
-/*
- * Our parent Gtk object type
- */
-#define PARENT_TYPE ACCESSIBLE_TYPE
+typedef struct {
+ SpiDesktop *desktop;
+ Accessibility_Application ref;
+} Application;
-/*
- * A pointer to our parent object class
- */
-static AccessibleClass *parent_class;
+/* A pointer to our parent object class */
+static SpiAccessibleClass *parent_class;
+
+#define SPI_TYPE_ATK_DESKTOP (spi_atk_desktop_get_type ())
+#define SPI_ATK_DESKTOP(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), SPI_TYPE_ATK_DESKTOP, SpiAtkDesktop))
+#define SPI_IS_ATK_DESKTOP(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), SPI_TYPE_ATK_DESKTOP))
+
+typedef struct {
+ AtkObject parent;
+
+ GdkScreen *screen;
+} SpiAtkDesktop;
+
+typedef struct {
+ AtkObjectClass parent;
+} SpiAtkDesktopClass;
+
+static void spi_atk_desktop_init (SpiAtkDesktop *desktop);
+static void atk_component_interface_init (AtkComponentIface *iface);
+static void spi_atk_desktop_get_extents (AtkComponent *component,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height,
+ AtkCoordType coord_type);
+
+static GType
+spi_atk_desktop_get_type ()
+{
+ static GType type = 0;
+
+ if (!type)
+ {
+ static const GTypeInfo typeInfo =
+ {
+ sizeof (SpiAtkDesktopClass),
+ (GBaseInitFunc) NULL,
+ (GBaseFinalizeFunc) NULL,
+ (GClassInitFunc) NULL,
+ (GClassFinalizeFunc) NULL,
+ NULL,
+ sizeof (SpiAtkDesktop),
+ 0,
+ (GInstanceInitFunc) spi_atk_desktop_init,
+ } ;
+ static const GInterfaceInfo atk_component_info =
+ {
+ (GInterfaceInitFunc) atk_component_interface_init,
+ (GInterfaceFinalizeFunc) NULL,
+ NULL
+ };
+
+ type = g_type_register_static (ATK_TYPE_OBJECT,
+ "SpiAtkDesktop", &typeInfo, 0);
+ g_type_add_interface_static (type, ATK_TYPE_COMPONENT,
+ &atk_component_info);
+ }
+ return type;
+}
+
+static void
+spi_atk_desktop_init (SpiAtkDesktop *desktop)
+{
+ GdkDisplay *display;
+
+ atk_object_set_name (ATK_OBJECT (desktop), "main");
+ display = gdk_x11_lookup_xdisplay (GDK_DISPLAY ());
+ desktop->screen = gdk_display_get_default_screen (display);
+}
static void
-desktop_init (Desktop *desktop)
+atk_component_interface_init (AtkComponentIface *iface)
+{
+ g_return_if_fail (iface != NULL);
+
+ iface->get_extents = spi_atk_desktop_get_extents;
+}
+
+static void
+spi_atk_desktop_get_extents (AtkComponent *component,
+ gint *x,
+ gint *y,
+ gint *width,
+ gint *height,
+ AtkCoordType coord_type)
+{
+ SpiAtkDesktop *desktop;
+
+ g_return_if_fail (SPI_IS_ATK_DESKTOP (component));
+ desktop = SPI_ATK_DESKTOP (component);
+ *x = 0;
+ *y = 0;
+ *width = gdk_screen_get_width (desktop->screen);
+ *height = gdk_screen_get_height (desktop->screen);
+}
+
+static void
+spi_desktop_init (SpiDesktop *desktop)
{
- ACCESSIBLE (desktop)->atko = g_object_new (atk_object_get_type(), NULL);
desktop->applications = NULL;
- atk_object_set_name (ATK_OBJECT (ACCESSIBLE (desktop)->atko), "main");
+ bonobo_object_set_immortal (BONOBO_OBJECT (desktop), TRUE);
+}
+
+static void
+spi_desktop_dispose (GObject *object)
+{
+ SpiDesktop *desktop = (SpiDesktop *) object;
+
+ while (desktop->applications)
+ {
+ Application *app = desktop->applications->data;
+ g_assert (app->ref != CORBA_OBJECT_NIL);
+ spi_desktop_remove_application (desktop, app->ref);
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
}
static CORBA_long
impl_desktop_get_child_count (PortableServer_Servant servant,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
- Desktop *desktop = DESKTOP (bonobo_object_from_servant (servant));
+ SpiDesktop *desktop = SPI_DESKTOP (bonobo_object_from_servant (servant));
+
if (desktop->applications)
{
return g_list_length (desktop->applications);
static Accessibility_Accessible
impl_desktop_get_child_at_index (PortableServer_Servant servant,
- const CORBA_long index,
- CORBA_Environment * ev)
+ const CORBA_long index,
+ CORBA_Environment *ev)
{
- Desktop *desktop = DESKTOP (bonobo_object_from_servant (servant));
+ SpiDesktop *desktop = SPI_DESKTOP (bonobo_object_from_servant (servant));
CORBA_Object retval;
- if ((desktop->applications) && (index < g_list_length (desktop->applications)))
+ Application *app;
+
+ app = g_list_nth_data (desktop->applications, index);
+
+ if (app)
{
- fprintf (stderr, "getting application %ld\n", (long) index);
- /* */
- fprintf (stderr, "object address %p\n",
- g_list_nth_data (desktop->applications, index));
- retval = CORBA_Object_duplicate (
- (CORBA_Object) g_list_nth_data (desktop->applications, index), ev);
+ retval = bonobo_object_dup_ref (app->ref, ev);
+ if (BONOBO_EX (ev))
+ {
+ retval = CORBA_OBJECT_NIL;
+ }
}
else
{
- fprintf (stderr, "no %ldth child\n", (long) index);
retval = CORBA_OBJECT_NIL;
}
+
return (Accessibility_Accessible) retval;
}
static void
-desktop_class_init (DesktopClass *klass)
+spi_desktop_class_init (SpiDesktopClass *klass)
+{
+ GObjectClass * object_class = (GObjectClass *) klass;
+ SpiAccessibleClass * spi_accessible_class = (SpiAccessibleClass *) klass;
+ POA_Accessibility_Accessible__epv *epv = &spi_accessible_class->epv;
+
+ object_class->dispose = spi_desktop_dispose;
+
+ parent_class = g_type_class_ref (SPI_ACCESSIBLE_TYPE);
+
+ spi_desktop_signals[APPLICATION_ADDED] =
+ g_signal_new ("application_added",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (SpiDesktopClass, application_added),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__UINT,
+ G_TYPE_NONE,
+ 1, G_TYPE_UINT);
+ spi_desktop_signals[APPLICATION_REMOVED] =
+ g_signal_new ("application_removed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (SpiDesktopClass, application_removed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__UINT,
+ G_TYPE_NONE,
+ 1, G_TYPE_UINT);
+ epv->_get_childCount = impl_desktop_get_child_count;
+ epv->getChildAtIndex = impl_desktop_get_child_at_index;
+}
+
+BONOBO_TYPE_FUNC_FULL (SpiDesktop,
+ Accessibility_Desktop,
+ PARENT_TYPE,
+ spi_desktop);
+
+SpiDesktop *
+spi_desktop_new (void)
{
- AccessibleClass * accessible_class = (AccessibleClass *) klass;
- POA_Accessibility_Accessible__epv *epv = &accessible_class->epv;
+ SpiDesktop *desktop;
+ SpiAccessible *accessible;
- parent_class = g_type_class_ref (ACCESSIBLE_TYPE);
+ accessible = spi_accessible_construct (SPI_DESKTOP_TYPE, g_object_new (SPI_TYPE_ATK_DESKTOP, NULL));
+ g_assert (SPI_IS_DESKTOP (accessible));
+ desktop = SPI_DESKTOP (accessible);
- epv->_get_childCount = impl_desktop_get_child_count;
- epv->getChildAtIndex = impl_desktop_get_child_at_index;
+ return desktop;
}
-GType
-desktop_get_type (void)
+static void
+abnormal_application_termination (gpointer object, Application *app)
{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo tinfo = {
- sizeof (DesktopClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) desktop_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class data */
- sizeof (Desktop),
- 0, /* n preallocs */
- (GInstanceInitFunc) desktop_init,
- NULL /* value table */
- };
- /*
- * Here we use bonobo_type_unique instead of
- * gtk_type_unique, this 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_Desktop__init,
- NULL,
- G_STRUCT_OFFSET (DesktopClass, epv),
- &tinfo,
- "Desktop");
- }
-
- return type;
+ g_return_if_fail (SPI_IS_DESKTOP (app->desktop));
+
+ spi_desktop_remove_application (app->desktop, app->ref);
}
-Desktop *
-desktop_new (void)
+void
+spi_desktop_add_application (SpiDesktop *desktop,
+ const Accessibility_Application application)
{
- Desktop *retval =
- DESKTOP (g_object_new (desktop_get_type (), NULL));
- return retval;
+ CORBA_Environment ev;
+ Application *app;
+ Accessibility_Application ref;
+
+ g_return_if_fail (SPI_IS_DESKTOP (desktop));
+
+ spi_desktop_remove_application (desktop, application);
+
+ CORBA_exception_init (&ev);
+
+ ref = bonobo_object_dup_ref (application, &ev);
+
+ if (!BONOBO_EX (&ev))
+ {
+ app = g_new (Application, 1);
+ app->desktop = desktop;
+ app->ref = ref;
+
+ desktop->applications = g_list_append (desktop->applications, app);
+
+ ORBit_small_listen_for_broken (
+ app->ref, G_CALLBACK (abnormal_application_termination), app);
+
+ g_signal_emit (G_OBJECT (desktop),
+ spi_desktop_signals[APPLICATION_ADDED], 0,
+ g_list_index (desktop->applications, app));
+ }
+
+ CORBA_exception_free (&ev);
+}
+
+void
+spi_desktop_remove_application (SpiDesktop *desktop,
+ const Accessibility_Application app_ref)
+{
+ guint idx;
+ GList *l;
+ CORBA_Environment ev;
+
+ g_return_if_fail (app_ref != CORBA_OBJECT_NIL);
+ g_return_if_fail (SPI_IS_DESKTOP (desktop));
+
+ CORBA_exception_init (&ev);
+
+ idx = 0;
+ for (l = desktop->applications; l; l = l->next)
+ {
+ Application *app = (Application *) l->data;
+
+ if (CORBA_Object_is_equivalent (app->ref, app_ref, &ev))
+ {
+ break;
+ }
+ idx++;
+ }
+
+ CORBA_exception_free (&ev);
+
+ if (l)
+ {
+ Application *app = (Application *) l->data;
+
+ desktop->applications = g_list_delete_link (desktop->applications, l);
+
+ ORBit_small_unlisten_for_broken (app->ref, G_CALLBACK (abnormal_application_termination));
+ bonobo_object_release_unref (app->ref, NULL);
+ g_free (app);
+
+ g_signal_emit (G_OBJECT (desktop), spi_desktop_signals[APPLICATION_REMOVED], 0, idx);
+ }
}
projects / platform / core / uifw / at-spi2-atk.git / blobdiff