* 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
#include <config.h>
#include <stdio.h>
-#include <libbonobo.h>
-#include <libspi/desktop.h>
+#include <string.h>
+#include <atk/atkcomponent.h>
+#include <gdk/gdkscreen.h>
+#include <gdk/gdkx.h>
+
+#include <spi-common/spi-dbus.h>
+
+#include "desktop.h"
+#include "registry.h"
+
+G_DEFINE_TYPE(SpiDesktop, spi_desktop, G_TYPE_OBJECT)
+
+/* SpiDesktop signals */
+enum {
+ APPLICATION_ADDED,
+ APPLICATION_REMOVED,
+LAST_SIGNAL
+};
+static guint spi_desktop_signals[LAST_SIGNAL];
+
/* Our parent Gtk object type */
#define PARENT_TYPE SPI_ACCESSIBLE_TYPE
+typedef struct {
+ SpiDesktop *desktop;
+ const char *path;
+} Application;
+
+static gboolean exiting = FALSE;
+
/* A pointer to our parent object class */
-static SpiAccessibleClass *parent_class;
+static GObjectClass *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 (void)
+{
+ 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
+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)
+spi_desktop_init (SpiDesktop *desktop)
{
- SPI_ACCESSIBLE (desktop)->atko = g_object_new (ATK_TYPE_OBJECT, NULL);
desktop->applications = NULL;
- atk_object_set_name (ATK_OBJECT (SPI_ACCESSIBLE (desktop)->atko), "main");
}
-static CORBA_long
-impl_desktop_get_child_count (PortableServer_Servant servant,
- CORBA_Environment * ev)
+static void
+spi_desktop_dispose (GObject *object)
+{
+ SpiDesktop *desktop = (SpiDesktop *) object;
+
+ while (desktop->applications)
+ {
+ Application *app = desktop->applications->data;
+ g_assert (app != NULL);
+ spi_desktop_remove_application (desktop, app->path);
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static dbus_bool_t
+impl_desktop_get_child_count (const char *path, DBusMessageIter * iter,
+ void *user_data)
{
- SpiDesktop *desktop = SPI_DESKTOP (bonobo_object_from_servant (servant));
+ SpiDesktop *desktop = SPI_REGISTRY(user_data)->desktop;
+
if (desktop->applications)
{
- return g_list_length (desktop->applications);
+ return droute_return_v_int32(iter, g_list_length (desktop->applications));
}
else
{
- return 0;
+ return droute_return_v_int32(iter, 0);
}
}
-static Accessibility_Accessible
-impl_desktop_get_child_at_index (PortableServer_Servant servant,
- const CORBA_long index,
- CORBA_Environment * ev)
+static DBusMessage *
+impl_desktop_get_child_at_index (DBusConnection *bus, DBusMessage *message, void *user_data)
{
- SpiDesktop *desktop = SPI_DESKTOP (bonobo_object_from_servant (servant));
- CORBA_Object retval;
- if ((desktop->applications) && (index < g_list_length (desktop->applications)))
- {
- 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);
- }
- else
+ SpiDesktop *desktop = SPI_REGISTRY(user_data)->desktop;
+ DBusError error;
+ dbus_int32_t index;
+ Application *app;
+ const char *path;
+ DBusMessage *reply;
+
+ dbus_error_init (&error);
+ if (!dbus_message_get_args (message, &error, DBUS_TYPE_INT32, &index, DBUS_TYPE_INVALID))
+ {
+ return spi_dbus_general_error (message);
+ }
+ app = g_list_nth_data (desktop->applications, index);
+ path = (app? app->path: SPI_DBUS_PATH_NULL);
+
+ reply = dbus_message_new_method_return (message);
+ if (reply)
{
- fprintf (stderr, "no %ldth child\n", (long) index);
- retval = CORBA_OBJECT_NIL;
+ dbus_message_append_args (reply, DBUS_TYPE_STRING, &path, DBUS_TYPE_INVALID);
}
- return (Accessibility_Accessible) retval;
+
+ return reply;
}
static void
-spi_desktop_class_init (SpiDesktopClass *klass)
+spi_desktop_exiting (void)
{
- SpiAccessibleClass * spi_accessible_class = (SpiAccessibleClass *) klass;
- POA_Accessibility_Accessible__epv *epv = &spi_accessible_class->epv;
+ exiting = TRUE;
+}
- parent_class = g_type_class_ref (SPI_ACCESSIBLE_TYPE);
+static void
+spi_desktop_class_init (SpiDesktopClass *klass)
+{
+ GObjectClass * object_class = (GObjectClass *) klass;
- epv->_get_childCount = impl_desktop_get_child_count;
- epv->getChildAtIndex = impl_desktop_get_child_at_index;
-}
+ object_class->dispose = spi_desktop_dispose;
+
+ parent_class = g_type_class_ref (G_TYPE_OBJECT);
-BONOBO_TYPE_FUNC_FULL (SpiDesktop,
- Accessibility_Desktop,
- PARENT_TYPE,
- spi_desktop);
+ 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);
+ g_atexit (spi_desktop_exiting);
+}
SpiDesktop *
spi_desktop_new (void)
{
- SpiDesktop *retval = g_object_new (SPI_DESKTOP_TYPE, NULL);
+ return g_object_new (SPI_DESKTOP_TYPE, NULL);
+}
+
+static void
+abnormal_application_termination (gpointer object, Application *app)
+{
+ g_return_if_fail (SPI_IS_DESKTOP (app->desktop));
+
+ if (!exiting)
+ spi_desktop_remove_application (app->desktop, app->path);
+}
+
+void
+spi_desktop_add_application (SpiDesktop *desktop,
+ const char *application)
+{
+ Application *app;
+
+ g_return_if_fail (SPI_IS_DESKTOP (desktop));
+
+ spi_desktop_remove_application (desktop, application);
+
+ app = g_new (Application, 1);
+ app->desktop = desktop;
+ app->path = application;
+
+ desktop->applications = g_list_append (desktop->applications, app);
+
+ // TODO: Listen for termination, and call abnormal_application_termination
+
+ g_signal_emit (G_OBJECT (desktop),
+ spi_desktop_signals[APPLICATION_ADDED], 0,
+ g_list_index (desktop->applications, app));
+}
+
+void
+spi_desktop_remove_application (SpiDesktop *desktop,
+ const char *path)
+{
+ guint idx;
+ GList *l;
+
+ g_return_if_fail (path != NULL);
+ g_return_if_fail (SPI_IS_DESKTOP (desktop));
+
+ idx = 0;
+ for (l = desktop->applications; l; l = l->next)
+ {
+ Application *app = (Application *) l->data;
+
+ if (!strcmp(app->path, path))
+ {
+ break;
+ }
+ idx++;
+ }
- return retval;
+ if (l)
+ {
+ Application *app = (Application *) l->data;
+
+ desktop->applications = g_list_delete_link (desktop->applications, l);
+
+ // TODO: unlisten for broken app, if appropriate
+ g_free (app);
+
+ g_signal_emit (G_OBJECT (desktop), spi_desktop_signals[APPLICATION_REMOVED], 0, idx);
+ }
}
+
+static DRouteMethod methods[] =
+{
+ { impl_desktop_get_child_at_index, "getChildAtIndex" },
+ { NULL, NULL }
+};
+
+static DRouteProperty properties[] =
+{
+ { impl_desktop_get_child_count, NULL, "getChildCount" },
+ { NULL, NULL, NULL }
+};
+
+void
+spi_registry_initialize_desktop_interface (DRouteData * data)
+{
+ droute_add_interface (data, "org.freedesktop.atspi.Desktop", methods,
+ properties, NULL, NULL);
+};
projects / platform / core / uifw / at-spi2-atk.git / blobdiff