* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
+ * Copyright 2008, 2010 Codethink Ltd.
* Copyright 2001, 2002 Sun Microsystems Inc.,
* Copyright 2001, 2002 Ximian, Inc.
*
* Boston, MA 02111-1307, USA.
*/
-/* registry.c: the main accessibility service registry implementation */
+#include <config.h>
+#include <string.h>
+#include <dbus/dbus-glib-lowlevel.h>
-#undef SPI_LISTENER_DEBUG
-#undef SPI_DEBUG
-#undef SPI_QUEUE_DEBUG
+#include "paths.h"
+#include "registry.h"
+#include "introspection.h"
-#include <config.h>
-#ifdef SPI_DEBUG
-# include <stdio.h>
-#endif
+static void
+children_added_listener (DBusConnection * bus,
+ gint index,
+ const gchar * name,
+ const gchar * path);
-#include <spi-common/spi-dbus.h>
+static void
+children_removed_listener (DBusConnection * bus,
+ gint index,
+ const gchar * name,
+ const gchar * path);
-#include "registry.h"
-#include "dbus/dbus-glib-lowlevel.h"
-
-/* Our parent GObject type */
-#define PARENT_TYPE G_OBJECT_TYPE
-
-int _dbg = 0;
-
-typedef enum {
- ETYPE_FOCUS,
- ETYPE_OBJECT,
- ETYPE_PROPERTY,
- ETYPE_WINDOW,
- ETYPE_TOOLKIT,
- ETYPE_KEYBOARD,
- ETYPE_MOUSE,
- ETYPE_LAST_DEFINED
-} EventTypeCategory;
-
-typedef struct {
- const char *event_name;
- EventTypeCategory type_cat;
- GQuark major; /* from string segment[1] */
- GQuark minor; /* from string segment[1]+segment[2] */
- GQuark detail; /* from string segment[3] (not concatenated) */
-} EventTypeStruct;
+/*---------------------------------------------------------------------------*/
-G_DEFINE_TYPE(SpiRegistry, spi_registry, G_TYPE_OBJECT)
+typedef struct _SpiReference
+{
+ gchar *name;
+ gchar *path;
+} SpiReference;
+
+static SpiReference *
+spi_reference_new (const gchar *name, const gchar *path)
+{
+ SpiReference *ref;
+
+ ref = g_new0 (SpiReference, 1);
+ ref->name = g_strdup (name);
+ ref->path = g_strdup (path);
+
+ return ref;
+}
static void
-spi_registry_set_debug (const char *debug_flag_string)
+spi_reference_free (SpiReference *ref)
{
- if (debug_flag_string)
- _dbg = (int) g_ascii_strtod (debug_flag_string, NULL);
+ g_free (ref->name);
+ g_free (ref->path);
+ g_free (ref);
}
-static void emit(SpiRegistry *registry, const char *name, int first_type, ...)
+/*---------------------------------------------------------------------------*/
+
+G_DEFINE_TYPE(SpiRegistry, spi_registry, G_TYPE_OBJECT)
+
+static void
+spi_registry_class_init (SpiRegistryClass *klass)
{
- va_list arg;
+ GObjectClass * object_class = (GObjectClass *) klass;
- va_start(arg, first_type);
- spi_dbus_emit_valist(registry->droute.bus, SPI_DBUS_PATH_REGISTRY, SPI_DBUS_INTERFACE_REGISTRY, name, first_type, arg);
- va_end(arg);
+ spi_registry_parent_class = g_type_class_ref (G_TYPE_OBJECT);
}
static void
-desktop_add_application (SpiDesktop *desktop,
- guint index, gpointer data)
+spi_registry_init (SpiRegistry *registry)
{
- SpiRegistry *registry = SPI_REGISTRY (data);
- const char *name = g_list_nth_data(desktop->applications, index);
-
- emit(registry, "ApplicationAdd", DBUS_TYPE_UINT32, &index, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
+ registry->apps = g_ptr_array_new_with_free_func ((GDestroyNotify) spi_reference_free);
+}
+
+/*---------------------------------------------------------------------------*/
+
+static dbus_bool_t
+return_v_string (DBusMessageIter * iter, const gchar * str)
+{
+ DBusMessageIter variant;
+
+ if (!dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "s",
+ &variant))
+ return FALSE;
+ dbus_message_iter_append_basic (&variant, DBUS_TYPE_STRING, &str);
+ dbus_message_iter_close_container (iter, &variant);
+ return TRUE;
+}
+
+static dbus_bool_t
+append_reference (DBusMessageIter * iter, const char * name, const char * path)
+{
+ DBusMessageIter iter_struct;
+
+ if (!dbus_message_iter_open_container (iter, DBUS_TYPE_STRUCT, NULL,
+ &iter_struct))
+ return FALSE;
+ dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &name);
+ dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &path);
+ dbus_message_iter_close_container (iter, &iter_struct);
+ return TRUE;
}
+/*---------------------------------------------------------------------------*/
+
+static gboolean
+compare_reference (SpiReference *one, SpiReference *two)
+{
+ if (g_strcmp0 (one->name, two->name) == 0 &&
+ g_strcmp0 (one->path, two->path) == 0)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+static gboolean
+find_index_of_reference (GPtrArray *arr, const gchar *name, const gchar * path, guint *index)
+{
+ SpiReference *ref;
+ gboolean found = FALSE;
+ guint i = 0;
+
+ ref = spi_reference_new (name, path);
+
+ for (i = 0; i < arr->len && found == FALSE; i++)
+ {
+ if (compare_reference (ref, g_ptr_array_index (arr, i)));
+ {
+ found = TRUE;
+ }
+ }
+ spi_reference_free (ref);
+
+ *index = i;
+ return found;
+}
static void
-desktop_remove_application (SpiDesktop *desktop,
- guint index, gpointer data)
+add_application (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
{
- SpiRegistry *registry = SPI_REGISTRY (data);
- const char *name = g_list_nth_data(desktop->applications, index);
-
- emit(registry, "ApplicationRemove", DBUS_TYPE_UINT32, &index, DBUS_TYPE_STRING, &name, DBUS_TYPE_INVALID);
+ g_ptr_array_add (reg->apps, spi_reference_new (name, path));
+ children_added_listener (bus, reg->apps->len - 1, name, path);
}
+static void
+set_id (SpiRegistry *reg, DBusConnection *bus, const gchar *name, const gchar *path)
+{
+ DBusMessage *message;
+ DBusMessageIter iter, iter_variant;
+ const char *iface_application = "org.a11y.atspi.Application";
+ const char *id = "Id";
+
+ message = dbus_message_new_method_call (name, path,
+ DBUS_INTERFACE_PROPERTIES, "Set");
+ if (!message)
+ return;
+ dbus_message_iter_init_append (message, &iter);
+ dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &iface_application);
+ dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &id);
+ dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "i", &iter_variant);
+ dbus_message_iter_append_basic (&iter_variant, DBUS_TYPE_INT32, ®->id);
+ /* TODO: This will cause problems if we cycle through 2^31 ids */
+ reg->id++;
+ dbus_message_iter_close_container (&iter, &iter_variant);
+ dbus_connection_send (bus, message, NULL);
+ dbus_message_unref (message);
+}
static void
-spi_registry_object_finalize (GObject *object)
+remove_application (SpiRegistry *reg, DBusConnection *bus, guint index)
{
- DBG (1, g_warning ("spi_registry_object_finalize called\n"));
- g_object_unref (SPI_REGISTRY (object)->de_controller);
+ SpiReference *ref = g_ptr_array_index (reg->apps, index);
- G_OBJECT_CLASS (spi_registry_parent_class)->finalize (object);
+ /*TODO spi_remove_device_listeners (registry->de_controller, old);*/
+ children_removed_listener (bus, index, ref->name, ref->path);
+ g_ptr_array_remove_index (reg->apps, index);
}
-/**
- * registerApplication:
- * @application: a reference to the requesting @Application
- * return values: void
- *
- * Register a new application with the accessibility broker.
- *
- **/
-static DBusMessage *
-impl_accessibility_registry_register_application (DBusConnection *bus, DBusMessage *message, void *user_data)
+static void
+handle_disconnection (DBusConnection *bus, DBusMessage *message, void *user_data)
+{
+ char *name, *old, *new;
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+
+ if (dbus_message_get_args (message, NULL,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_STRING, &old,
+ DBUS_TYPE_STRING, &new,
+ DBUS_TYPE_INVALID))
+ {
+ if (*old != '\0' && *new == '\0')
+ {
+ /* Remove all children with the application name the same as the disconnected application. */
+ guint i;
+ for (i = 0; i < reg->apps->len; i++)
+ {
+ SpiReference *ref = g_ptr_array_index (reg->apps, i);
+ while (!g_strcmp0 (old, ref->name))
+ {
+ children_removed_listener (bus, i, old, ref->path);
+ g_ptr_array_remove_index (reg->apps, i);
+ }
+ }
+ }
+ }
+}
+
+static DBusHandlerResult
+signal_filter (DBusConnection *bus, DBusMessage *message, void *user_data)
{
SpiRegistry *registry = SPI_REGISTRY (user_data);
- const char *application = dbus_message_get_sender (message);
+ guint res = DBUS_HANDLER_RESULT_HANDLED;
+ const char *iface = dbus_message_get_interface (message);
+ const char *member = dbus_message_get_member (message);
-#ifdef SPI_DEBUG
- fprintf (stderr, "registering app %s\n", application);
-#endif
- spi_desktop_add_application (registry->desktop, application);
+ if (!g_strcmp0(iface, DBUS_INTERFACE_DBUS) && !g_strcmp0(member, "NameOwnerChanged"))
+ handle_disconnection (bus, message, user_data);
+ else
+ res = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
- /*
- * TODO: change the implementation below to a WM-aware one;
- * e.g. don't add all apps to the SpiDesktop
- */
- return dbus_message_new_method_return (message);
+ return res;
}
-/**
- * deregisterApplication:
- * @application: a reference to the @Application
- * to be deregistered.
- * return values: void
- *
- * De-register an application previously registered with the broker.
- *
- **/
+/* org.at_spi.Socket interface */
+/*---------------------------------------------------------------------------*/
+
+static DBusMessage*
+impl_Embed (DBusConnection *bus, DBusMessage *message, void *user_data)
+{
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+ DBusMessageIter iter, iter_struct;
+ gchar *app_name, *obj_path;
+
+ DBusMessage *reply = NULL;
+ DBusMessageIter reply_iter;
+
+ dbus_message_iter_init (message, &iter);
+ dbus_message_iter_recurse (&iter, &iter_struct);
+ if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
+ goto error;
+ dbus_message_iter_get_basic (&iter_struct, &app_name);
+ if (!dbus_message_iter_next (&iter_struct))
+ goto error;
+ if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
+ goto error;
+ dbus_message_iter_get_basic (&iter_struct, &obj_path);
+
+ add_application(reg, bus, app_name, obj_path);
+
+ set_id (reg, bus, app_name, obj_path);
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_iter_init_append (reply, &reply_iter);
+ append_reference (&reply_iter,
+ dbus_bus_get_unique_name (bus),
+ SPI_DBUS_PATH_ROOT);
+
+ return reply;
+error:
+ return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
+}
+
+static DBusMessage*
+impl_Unembed (DBusConnection *bus, DBusMessage *message, void *user_data)
+{
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+ DBusMessageIter iter, iter_struct;
+ gchar *app_name, *obj_path;
+ guint index;
+
+ dbus_message_iter_init (message, &iter);
+ dbus_message_iter_recurse (&iter, &iter_struct);
+ if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_STRING))
+ goto error;
+ dbus_message_iter_get_basic (&iter_struct, &app_name);
+ if (!dbus_message_iter_next (&iter_struct))
+ goto error;
+ if (!(dbus_message_iter_get_arg_type (&iter_struct) == DBUS_TYPE_OBJECT_PATH))
+ goto error;
+ dbus_message_iter_get_basic (&iter_struct, &obj_path);
+
+ if (find_index_of_reference (reg->apps, app_name, obj_path, &index))
+ remove_application(reg, bus, index);
+
+ return NULL;
+error:
+ return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
+}
+
+/* org.at_spi.Component interface */
+/*---------------------------------------------------------------------------*/
+
static DBusMessage *
-impl_accessibility_registry_deregister_application (DBusConnection *bus, DBusMessage *message, void *user_data)
+impl_Contains (DBusConnection * bus, DBusMessage * message, void *user_data)
{
- SpiRegistry *registry = SPI_REGISTRY (user_data);
- const char *application = dbus_message_get_sender (message);
+ dbus_bool_t retval = FALSE;
+ DBusMessage *reply;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
+ DBUS_TYPE_INVALID);
+ return reply;
+}
+
+static DBusMessage *
+impl_GetAccessibleAtPoint (DBusConnection * bus, DBusMessage * message,
+ void *user_data)
+{
+ DBusMessage *reply = NULL;
+ DBusMessageIter iter;
- spi_desktop_remove_application (registry->desktop, application);
+ reply = dbus_message_new_method_return (message);
+ dbus_message_iter_init_append (reply, &iter);
+ append_reference (&iter,
+ dbus_bus_get_unique_name (bus),
+ SPI_DBUS_PATH_NULL);
-#ifdef SPI_DEBUG
- fprintf (stderr, "de-registered app %s\n", application);
-#endif
- return dbus_message_new_method_return (message);
+ return reply;
}
-/**
- * getDesktopCount:
- * return values: a short integer indicating the current number of
- * @Desktops.
- *
- * Get the current number of desktops.
- *
- **/
static DBusMessage *
-impl_accessibility_registry_get_desktop_count (DBusConnection *bus, DBusMessage *message, void *user_data)
+impl_GetExtents (DBusConnection * bus, DBusMessage * message, void *user_data)
{
- dbus_int16_t n_desktops = 1;
+ dbus_uint32_t coord_type;
+ dbus_int32_t x = 0, y = 0, width = 1024, height = 768;
DBusMessage *reply;
+ DBusMessageIter iter, iter_struct;
- /* TODO: implement support for multiple virtual desktops */
reply = dbus_message_new_method_return (message);
- if (reply)
- {
- dbus_message_append_args (reply, DBUS_TYPE_INT16, &n_desktops, DBUS_TYPE_INVALID);
- }
+ dbus_message_iter_init_append (reply, &iter);
+ dbus_message_iter_open_container (&iter, DBUS_TYPE_STRUCT, NULL,
+ &iter_struct);
+ dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &x);
+ dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &y);
+ dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &width);
+ dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_INT32, &height);
+ dbus_message_iter_close_container (&iter, &iter_struct);
return reply;
}
-/**
- * getDesktop:
- * @n: the index of the requested @Desktop.
- * return values: a reference to the requested @Desktop.
- *
- * Get the nth accessible desktop.
- *
- **/
static DBusMessage *
-impl_accessibility_registry_get_desktop (DBusConnection *bus, DBusMessage *message, void *user_data)
+impl_GetPosition (DBusConnection * bus, DBusMessage * message,
+ void *user_data)
{
- DBusError error;
- dbus_int16_t n;
- const char *path;
DBusMessage *reply;
+ dbus_int32_t x = 0, y = 0;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_INT32, &x, DBUS_TYPE_INT32,
+ &y, DBUS_TYPE_INVALID);
+ return reply;
+}
+
+static DBusMessage *
+impl_GetSize (DBusConnection * bus, DBusMessage * message, void *user_data)
+{
+ /* TODO - Get the screen size */
+ DBusMessage *reply;
+ dbus_int32_t width = 1024, height = 768;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_INT32, &width,
+ DBUS_TYPE_INT32, &height, DBUS_TYPE_INVALID);
+ return reply;
+}
+
+#define LAYER_WIDGET 3;
+
+static DBusMessage *
+impl_GetLayer (DBusConnection * bus, DBusMessage * message, void *user_data)
+{
+ DBusMessage *reply;
+ dbus_uint32_t rv = LAYER_WIDGET;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv,
+ DBUS_TYPE_INVALID);
+ return reply;
+}
+
+static DBusMessage *
+impl_GetMDIZOrder (DBusConnection * bus, DBusMessage * message,
+ void *user_data)
+{
+ DBusMessage *reply;
+ dbus_int16_t rv = 0;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_INT16, &rv,
+ DBUS_TYPE_INVALID);
+ return reply;
+}
+
+static DBusMessage *
+impl_GrabFocus (DBusConnection * bus, DBusMessage * message, void *user_data)
+{
+ DBusMessage *reply;
+ dbus_bool_t retval = FALSE;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_BOOLEAN, &retval,
+ DBUS_TYPE_INVALID);
+ return reply;
+}
+
+static DBusMessage *
+impl_GetAlpha (DBusConnection * bus, DBusMessage * message, void *user_data)
+{
+ double rv = 1.0;
+ DBusMessage *reply;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_DOUBLE, &rv,
+ DBUS_TYPE_INVALID);
+ return reply;
+}
+
+/* org.at_spi.Accessible interface */
+/*---------------------------------------------------------------------------*/
+
+static dbus_bool_t
+impl_get_Name (DBusMessageIter * iter, void *user_data)
+{
+ const gchar *name = "main";
+ return return_v_string (iter, name);
+}
+
+static dbus_bool_t
+impl_get_Description (DBusMessageIter * iter, void *user_data)
+{
+ const gchar *description = "";
+ return return_v_string (iter, description);
+}
+
+static dbus_bool_t
+impl_get_Parent (DBusMessageIter * iter, void *user_data)
+{
+ const gchar *name = "";
+ DBusMessageIter iter_variant;
+
+ dbus_message_iter_open_container (iter, DBUS_TYPE_VARIANT, "(so)",
+ &iter_variant);
+ append_reference (&iter_variant,
+ name,
+ SPI_DBUS_PATH_NULL);
+ dbus_message_iter_close_container (iter, &iter_variant);
+ return TRUE;
+}
+
+static dbus_bool_t
+impl_get_ChildCount (DBusMessageIter * iter, void *user_data)
+{
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+ dbus_int32_t rv = reg->apps->len;
+
+ return dbus_message_iter_append_basic (iter, DBUS_TYPE_INT32, &rv);
+}
+
+static DBusMessage *
+impl_GetChildAtIndex (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
+{
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+ DBusMessage *reply;
+ DBusMessageIter iter;
+ DBusError error;
+ SpiReference *ref;
+ dbus_int32_t i;
- /* TODO: implement support for multiple virtual desktops */
dbus_error_init (&error);
- if (!dbus_message_get_args (message, &error, DBUS_TYPE_INT16, &n, DBUS_TYPE_INVALID))
- {
- return spi_dbus_general_error (message);
- }
- path = (n == 0? SPI_DBUS_PATH_DESKTOP: "/");
+ if (!dbus_message_get_args
+ (message, &error, DBUS_TYPE_INT32, &i, DBUS_TYPE_INVALID))
+ {
+ return dbus_message_new_error (message, DBUS_ERROR_FAILED, "Invalid arguments");
+ }
+
reply = dbus_message_new_method_return (message);
- if (reply)
- {
- dbus_message_append_args (reply, DBUS_TYPE_STRING, &path, DBUS_TYPE_INVALID);
- }
+ dbus_message_iter_init_append (reply, &iter);
+
+ ref = g_ptr_array_index (reg->apps, i);
+ append_reference (&iter, ref->name, ref->path);
+
return reply;
}
+static DBusMessage *
+impl_GetChildren (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
+{
+ DBusMessage *reply = NULL;
+ DBusMessageIter iter, iter_array;
+ SpiRegistry *reg = SPI_REGISTRY (user_data);
+ int i;
+
+ reply = dbus_message_new_method_return (message);
+
+ dbus_message_iter_init_append (reply, &iter);
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &iter_array);
+ for (i=0; i < reg->apps->len; i++)
+ {
+ SpiReference *current = g_ptr_array_index (reg->apps, i);
+ append_reference (&iter_array, current->name, current->path);
+ }
+ dbus_message_iter_close_container(&iter, &iter_array);
+ return reply;
+}
-/**
- * getDesktopList:
- * return values: a sequence containing references to
- * the @Desktops.
- *
- * Get a list of accessible desktops.
- *
- **/
static DBusMessage *
-impl_accessibility_registry_get_desktop_list (DBusConnection *bus, DBusMessage *message, void *user_data)
+impl_GetIndexInParent (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
+{
+ DBusMessage *reply;
+ dbus_uint32_t rv = 0;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
+ return reply;
+}
+
+static DBusMessage *
+impl_GetRelationSet (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
{
DBusMessage *reply;
DBusMessageIter iter, iter_array;
- const char *path = SPI_DBUS_PATH_DESKTOP;
reply = dbus_message_new_method_return (message);
- if (!reply) return NULL;
- dbus_message_iter_init_append(reply, &iter);
- if (!dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "o", &iter_array)) goto oom;
- dbus_message_iter_append_basic(&iter_array, DBUS_TYPE_STRING, &path);
- if (!dbus_message_iter_close_container (&iter, &iter_array)) goto oom;
+ dbus_message_iter_init_append (reply, &iter);
+ dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "(ua(so))", &iter_array);
+ dbus_message_iter_close_container (&iter, &iter_array);
+
return reply;
-oom:
- // TODO: handle out-of-memory
+}
+
+static DBusMessage *
+impl_GetRole (DBusConnection * bus, DBusMessage * message, void * user_data)
+{
+ DBusMessage *reply;
+ dbus_uint32_t rv = 0;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_UINT32, &rv, DBUS_TYPE_INVALID);
return reply;
}
+static DBusMessage *
+impl_GetRoleName (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
+{
+ DBusMessage *reply;
+ const char *role_name = "unknown";
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
+ DBUS_TYPE_INVALID);
+ return reply;
+}
static DBusMessage *
-impl_accessibility_registry_get_device_event_controller (DBusConnection *bus, DBusMessage *message, void *user_data)
+impl_GetLocalizedRoleName (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
{
+ /* TODO - Localize this */
DBusMessage *reply;
- const char *path = SPI_DBUS_PATH_DEC;
+ const char *role_name = "unknown";
reply = dbus_message_new_method_return (message);
- if (reply)
- {
- dbus_message_append_args (reply, DBUS_TYPE_STRING, &path, DBUS_TYPE_INVALID);
- }
+ dbus_message_append_args (reply, DBUS_TYPE_STRING, &role_name,
+ DBUS_TYPE_INVALID);
return reply;
}
+static DBusMessage *
+impl_GetState (DBusConnection * bus, DBusMessage * message, void *user_data)
+{
+ DBusMessage *reply = NULL;
+ DBusMessageIter iter, iter_array;
-static void
-spi_registry_class_init (SpiRegistryClass *klass)
+ dbus_uint32_t states[2] = {0, 0};
+ guint count;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_iter_init_append (reply, &iter);
+
+ dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "u", &iter_array);
+ for (count = 0; count < 2; count++)
+ {
+ dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_UINT32,
+ &states[count]);
+ }
+ dbus_message_iter_close_container (&iter, &iter_array);
+ return reply;
+}
+
+static DBusMessage *
+impl_GetAttributes (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
{
- GObjectClass * object_class = (GObjectClass *) klass;
+ DBusMessage *reply = NULL;
+ DBusMessageIter iter, array;
- spi_registry_parent_class = g_type_class_ref (G_TYPE_OBJECT);
+ reply = dbus_message_new_method_return (message);
+ dbus_message_iter_init_append (reply, &iter);
+ dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "{ss}", &array);
+ dbus_message_iter_close_container (&iter, &array);
+
+ return reply;
+}
+
+static DBusMessage *
+impl_GetApplication (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
+{
+ DBusMessage *reply = NULL;
+ DBusMessageIter iter;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_iter_init_append (reply, &iter);
+ append_reference (&iter,
+ dbus_bus_get_unique_name (bus),
+ SPI_DBUS_PATH_NULL);
+
+ return reply;
+}
+
+static DBusMessage *
+impl_GetInterfaces (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
+{
+ DBusMessage *reply;
+ DBusMessageIter iter, iter_array;
+
+ const char *acc = SPI_DBUS_INTERFACE_ACCESSIBLE;
+ const char *com = SPI_DBUS_INTERFACE_COMPONENT;
+
+ reply = dbus_message_new_method_return (message);
+
+ dbus_message_iter_init_append (reply, &iter);
+ dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "s",
+ &iter_array);
+ dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &acc);
+ dbus_message_iter_append_basic (&iter_array, DBUS_TYPE_STRING, &com);
+ dbus_message_iter_close_container (&iter, &iter_array);
+
+ return reply;
+}
+
+/*---------------------------------------------------------------------------*/
+
+static void
+emit_Available (DBusConnection * bus)
+{
+ DBusMessage *sig;
+ DBusMessageIter iter;
- object_class->finalize = spi_registry_object_finalize;
+ sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, SPI_DBUS_INTERFACE_SOCKET, "Available");
+
+ dbus_message_iter_init_append(sig, &iter);
+ append_reference (&iter, SPI_DBUS_NAME_REGISTRY, SPI_DBUS_PATH_ROOT);
+
+ dbus_connection_send(bus, sig, NULL);
+ dbus_message_unref(sig);
}
-static DBusObjectPathVTable droute_vtable =
+/*---------------------------------------------------------------------------*/
+
+static const char *introspection_header =
+"<?xml version=\"1.0\"?>\n";
+
+static const char *introspection_node_element =
+"<node name=\"%s\">\n";
+
+static const char *introspection_footer =
+"</node>";
+
+static DBusMessage *
+impl_Introspect (DBusConnection * bus,
+ DBusMessage * message, void *user_data)
{
- NULL,
- &droute_message,
- NULL, NULL, NULL, NULL
-};
+ GString *output;
+ gchar *final;
+ gint i;
-static void
-spi_registry_init (SpiRegistry *registry)
+ const gchar *pathstr = SPI_DBUS_PATH_ROOT;
+
+ DBusMessage *reply;
+
+ output = g_string_new(introspection_header);
+
+ g_string_append_printf(output, introspection_node_element, pathstr);
+
+ g_string_append (output, spi_org_a11y_atspi_Accessible);
+ g_string_append (output, spi_org_a11y_atspi_Component);
+
+ g_string_append(output, introspection_footer);
+ final = g_string_free(output, FALSE);
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_append_args(reply, DBUS_TYPE_STRING, &final, DBUS_TYPE_INVALID);
+
+ g_free(final);
+ return reply;
+}
+
+/*---------------------------------------------------------------------------*/
+
+/*
+ * Emits an AT-SPI event.
+ * AT-SPI events names are split into three parts:
+ * class:major:minor
+ * This is mapped onto D-Bus events as:
+ * D-Bus Interface:Signal Name:Detail argument
+ *
+ * Marshals a basic type into the 'any_data' attribute of
+ * the AT-SPI event.
+ */
+static void
+emit_event (DBusConnection *bus,
+ const char *klass,
+ const char *major,
+ const char *minor,
+ dbus_int32_t detail1,
+ dbus_int32_t detail2,
+ const char *name,
+ const char *path)
{
- DBusError error;
+ DBusMessage *sig;
+ DBusMessageIter iter, iter_variant;
+
+ sig = dbus_message_new_signal(SPI_DBUS_PATH_ROOT, klass, major);
- spi_registry_set_debug (g_getenv ("AT_SPI_DEBUG"));
- /*
- * TODO: FIXME, this module makes the foolish assumptions that
- * registryd uses the same display as the apps, and that the
- * DISPLAY environment variable is set.
- */
- gdk_init (NULL, NULL);
+ dbus_message_iter_init_append(sig, &iter);
- registry->exit_notify_timeout = 200;
- registry->queue_handler_id = 0;
+ dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
+ dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
+ dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
- dbus_error_init (&error);
- registry->droute.bus = dbus_bus_get(DBUS_BUS_SESSION, &error);
- if (!registry->droute.bus)
- {
- g_warning("Couldn't connect to dbus: %s\n", error.message);
- return;
- }
- spi_registry_initialize_registry_interface (®istry->droute);
- spi_registry_initialize_desktop_interface (®istry->droute);
- spi_registry_initialize_dec_interface (®istry->droute);
- // todo: initialize accessible and component interfaces, for desktop?
- if (!dbus_connection_try_register_fallback (registry->droute.bus, "/org/freedesktop/atspi", &droute_vtable, ®istry->droute, &error))
- {
- g_warning("Couldn't register droute.\n");
- }
- dbus_connection_setup_with_g_main(registry->droute.bus, g_main_context_default());
-
- // TODO: decide whether focus_object is still relevant
- registry->desktop = spi_desktop_new ();
- /* Register callback notification for application addition and removal */
- g_signal_connect (G_OBJECT (registry->desktop),
- "application_added",
- G_CALLBACK (desktop_add_application),
- registry);
-
- g_signal_connect (G_OBJECT (registry->desktop),
- "application_removed",
- G_CALLBACK (desktop_remove_application),
- registry);
-
- registry->de_controller = spi_device_event_controller_new (registry);
+ dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(so)",
+ &iter_variant);
+ append_reference (&iter_variant, name, path);
+ dbus_message_iter_close_container (&iter, &iter_variant);
+
+ append_reference (&iter,
+ dbus_bus_get_unique_name (bus),
+ SPI_DBUS_PATH_ROOT);
+
+ dbus_connection_send(bus, sig, NULL);
+ dbus_message_unref(sig);
}
-SpiRegistry *
-spi_registry_new (void)
+/*---------------------------------------------------------------------------*/
+
+/*
+ * Children changed signal converter and forwarder.
+ *
+ * Klass (Interface) org.a11y.atspi.Event.Object
+ * Major is the signal name.
+ * Minor is 'add' or 'remove'
+ * detail1 is the index.
+ * detail2 is 0.
+ * any_data is the child reference.
+ */
+
+static void
+children_added_listener (DBusConnection * bus,
+ gint index,
+ const gchar * name,
+ const gchar * path)
{
- SpiRegistry *retval = g_object_new (SPI_REGISTRY_TYPE, NULL);
- return retval;
+ emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "add", index, 0,
+ name, path);
}
-static DRouteMethod methods[] =
+static void
+children_removed_listener (DBusConnection * bus,
+ gint index,
+ const gchar * name,
+ const gchar * path)
{
- { impl_accessibility_registry_register_application , "registerApplication" },
- { impl_accessibility_registry_deregister_application, "deregisterApplication" },
- { impl_accessibility_registry_get_desktop_count, "getDesktopCount" },
- { impl_accessibility_registry_get_desktop, "getDesktop" },
- { impl_accessibility_registry_get_desktop_list, "getDesktopList" },
- { impl_accessibility_registry_get_device_event_controller, "getDeviceEventController" },
- { NULL, NULL }
-};
+ emit_event (bus, SPI_DBUS_INTERFACE_EVENT_OBJECT, "ChildrenChanged", "remove", index, 0,
+ name, path);
+}
+
+/*---------------------------------------------------------------------------*/
+
+static DBusHandlerResult
+handle_method (DBusConnection *bus, DBusMessage *message, void *user_data)
+{
+ DBusHandlerResult result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+ const gchar *iface = dbus_message_get_interface (message);
+ const gchar *member = dbus_message_get_member (message);
+ const gint type = dbus_message_get_type (message);
+
+ DBusMessage *reply = NULL;
+
+ /* Check for basic reasons not to handle */
+ if (type != DBUS_MESSAGE_TYPE_METHOD_CALL ||
+ member == NULL ||
+ iface == NULL)
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+
+ if (!strcmp (iface, "org.freedesktop.DBus.Properties"))
+ {
+ if (!strcmp (member, "Get"))
+ {
+ const gchar *prop_iface;
+ const gchar *prop_member;
+ DBusError error;
+
+ dbus_error_init (&error);
+ if (dbus_message_get_args (message,
+ &error,
+ DBUS_TYPE_STRING,
+ &prop_iface,
+ DBUS_TYPE_STRING,
+ &prop_member,
+ DBUS_TYPE_INVALID))
+ {
+ DBusMessageIter iter;
+
+ reply = dbus_message_new_method_return (message);
+ dbus_message_iter_init_append (reply, &iter);
+
+
+ if (!strcmp (prop_iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
+ {
+ if (!strcmp (prop_member, "Name"))
+ impl_get_Name (&iter, user_data);
+ else if (!strcmp (prop_member, "Description"))
+ impl_get_Description (&iter, user_data);
+ else if (!strcmp (prop_member, "Parent"))
+ impl_get_Parent (&iter, user_data);
+ else if (!strcmp (prop_member, "ChildCount"))
+ impl_get_ChildCount (&iter, user_data);
+ else
+ {
+ dbus_message_unref (reply);
+ reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, "Property unavailable");
+ }
+ }
+ }
+ else
+ {
+ reply = dbus_message_new_error (message, DBUS_ERROR_FAILED, error.message);
+ }
+ result = DBUS_HANDLER_RESULT_HANDLED;
+ }
+ else if (!strcmp (member, "GetAll"))
+ {
+ result = DBUS_HANDLER_RESULT_HANDLED;
+ }
+ }
+
+ if (!strcmp (iface, SPI_DBUS_INTERFACE_ACCESSIBLE))
+ {
+ result = DBUS_HANDLER_RESULT_HANDLED;
+ if (!strcmp (member, "GetChildAtIndex"))
+ reply = impl_GetChildAtIndex (bus, message, user_data);
+ else if (!strcmp (member, "GetChildren"))
+ reply = impl_GetChildren (bus, message, user_data);
+ else if (!strcmp (member, "GetIndexInParent"))
+ reply = impl_GetIndexInParent (bus, message, user_data);
+ else if (!strcmp (member, "GetRelationSet"))
+ reply = impl_GetRelationSet (bus, message, user_data);
+ else if (!strcmp (member, "GetRole"))
+ reply = impl_GetRole (bus, message, user_data);
+ else if (!strcmp (member, "GetRoleName"))
+ reply = impl_GetRoleName (bus, message, user_data);
+ else if (!strcmp (member, "GetLocalizedRoleName"))
+ reply = impl_GetLocalizedRoleName (bus, message, user_data);
+ else if (!strcmp (member, "GetState"))
+ reply = impl_GetState (bus, message, user_data);
+ else if (!strcmp (member, "GetAttributes"))
+ reply = impl_GetAttributes (bus, message, user_data);
+ else if (!strcmp (member, "GetApplication"))
+ reply = impl_GetApplication (bus, message, user_data);
+ else if (!strcmp (member, "GetInterfaces"))
+ reply = impl_GetInterfaces (bus, message, user_data);
+ else
+ result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ }
+
+ if (!strcmp (iface, SPI_DBUS_INTERFACE_COMPONENT))
+ {
+ result = DBUS_HANDLER_RESULT_HANDLED;
+ if (!strcmp (member, "Contains"))
+ reply = impl_Contains (bus, message, user_data);
+ else if (!strcmp (member, "GetAccessibleAtPoint"))
+ reply = impl_GetAccessibleAtPoint (bus, message, user_data);
+ else if (!strcmp (member, "GetExtents"))
+ reply = impl_GetExtents (bus, message, user_data);
+ else if (!strcmp (member, "GetPosition"))
+ reply = impl_GetPosition (bus, message, user_data);
+ else if (!strcmp (member, "GetSize"))
+ reply = impl_GetSize (bus, message, user_data);
+ else if (!strcmp (member, "GetLayer"))
+ reply = impl_GetLayer (bus, message, user_data);
+ else if (!strcmp (member, "GetMDIZOrder"))
+ reply = impl_GetMDIZOrder (bus, message, user_data);
+ else if (!strcmp (member, "GrabFocus"))
+ reply = impl_GrabFocus (bus, message, user_data);
+ else if (!strcmp (member, "GetAlpha"))
+ reply = impl_GetAlpha (bus, message, user_data);
+ else
+ result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ }
+
+ if (!strcmp (iface, SPI_DBUS_INTERFACE_SOCKET))
+ {
+ result = DBUS_HANDLER_RESULT_HANDLED;
+ if (!strcmp (member, "Embed"))
+ reply = impl_Embed (bus, message, user_data);
+ else if (!strcmp (member, "Unembed"))
+ reply = impl_Unembed (bus, message, user_data);
+ else
+ result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ }
+
+ if (!strcmp (iface, "org.freedesktop.DBus.Introspectable"))
+ {
+ result = DBUS_HANDLER_RESULT_HANDLED;
+ if (!strcmp (member, "Introspect"))
+ reply = impl_Introspect (bus, message, user_data);
+ else
+ result = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+ }
+
+ if (result == DBUS_HANDLER_RESULT_HANDLED)
+ {
+ if (!reply)
+ {
+ reply = dbus_message_new_method_return (message);
+ }
+
+ dbus_connection_send (bus, reply, NULL);
+ dbus_message_unref (reply);
+ }
+#if 0
+ else
+ {
+ g_print ("Registry | Unhandled message : %s|%s\n", iface, member);
+ }
+#endif
+
+ return result;
+}
+
+/*---------------------------------------------------------------------------*/
-void
-spi_registry_initialize_registry_interface (DRouteData * data)
+static DBusObjectPathVTable registry_vtable =
{
- droute_add_interface (data, "org.freedesktop.atspi.Registry", methods,
- NULL, NULL, NULL);
+ NULL,
+ &handle_method,
+ NULL, NULL, NULL, NULL
};
+
+static gchar *app_sig_match_name_owner =
+ "type='signal', interface='org.freedesktop.DBus', member='NameOwnerChanged'";
+
+SpiRegistry *
+spi_registry_new (DBusConnection *bus)
+{
+ SpiRegistry *reg = g_object_new (SPI_REGISTRY_TYPE, NULL);
+
+ reg->bus = bus;
+
+ dbus_bus_add_match (bus, app_sig_match_name_owner, NULL);
+ dbus_connection_add_filter (bus, signal_filter, reg, NULL);
+
+ dbus_connection_register_object_path (bus, SPI_DBUS_PATH_ROOT, ®istry_vtable, reg);
+
+ emit_Available (bus);
+
+ return reg;
+}
+
+/*END------------------------------------------------------------------------*/
projects / platform / upstream / at-spi2-core.git / blobdiff