* Copyright 2010, 2011 Novell, Inc.
*
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 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.
+ * Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser 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.
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
#include "atspi-private.h"
#include "atspi-accessible-private.h"
#include <string.h>
+enum {
+ REGION_CHANGED,
+ LAST_SIGNAL
+};
+
static gboolean enable_caching = FALSE;
static guint quark_locale;
+static guint atspi_accessible_signals[LAST_SIGNAL] = { 0, };
+
+static gboolean
+screen_reader_signal_watcher (GSignalInvocationHint *signal_hint,
+ guint n_param_values,
+ const GValue *param_values,
+ gpointer data)
+{
+ GObject *object;
+ AtspiAccessible *accessible;
+ GSignalQuery signal_query;
+ const char *name;
+ DBusMessage *signal;
+ DBusMessageIter iter, iter_struct, iter_variant, iter_array;
+ dbus_int32_t detail1, detail2;
+ const char *detail = "";
+
+ object = g_value_get_object (param_values + 0);
+ g_return_val_if_fail (ATSPI_IS_ACCESSIBLE(object), FALSE);
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+ name = signal_query.signal_name;
+ detail1 = g_value_get_int (param_values + 1);
+ detail2 = g_value_get_int (param_values + 2);
+ accessible = ATSPI_ACCESSIBLE (object);
+
+ signal = dbus_message_new_signal (ATSPI_DBUS_PATH_SCREEN_READER,
+ ATSPI_DBUS_INTERFACE_EVENT_SCREEN_READER,
+ "RegionChanged");
+ dbus_message_iter_init_append (signal, &iter);
+ dbus_message_iter_append_basic (&iter, DBUS_TYPE_STRING, &detail);
+ dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &detail1);
+ dbus_message_iter_append_basic (&iter, DBUS_TYPE_INT32, &detail2);
+ dbus_message_iter_open_container (&iter, DBUS_TYPE_VARIANT, "(so)",
+ &iter_variant);
+ dbus_message_iter_open_container (&iter_variant, DBUS_TYPE_STRUCT, NULL,
+ &iter_struct);
+ dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_STRING, &accessible->parent.app->bus_name);
+ dbus_message_iter_append_basic (&iter_struct, DBUS_TYPE_OBJECT_PATH, &accessible->parent.path);
+ dbus_message_iter_close_container (&iter_variant, &iter_struct);
+ dbus_message_iter_close_container (&iter, &iter_variant);
+ dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, "{sv}",
+ &iter_array);
+ dbus_message_iter_close_container (&iter, &iter_array);
+ dbus_connection_send (_atspi_bus (), signal, NULL);
+ dbus_message_unref (signal);
+ return TRUE;
+}
+
static void
atspi_action_interface_init (AtspiAction *action)
{
#endif
static void
+atspi_accessible_unref (GObject *accessible)
+{
+ if (accessible != NULL)
+ g_object_unref(accessible);
+}
+
+static void
atspi_accessible_init (AtspiAccessible *accessible)
{
#ifdef DEBUG_REF_COUNTS
accessible->priv = atspi_accessible_get_instance_private (accessible);
- accessible->children = g_ptr_array_new_with_free_func (g_object_unref);
+ accessible->children = g_ptr_array_new_with_free_func (atspi_accessible_unref);
}
static void
#endif
G_OBJECT_CLASS (atspi_accessible_parent_class)->finalize (object);
+
+ /* TODO: remove emission hook */
}
static void
object_class->finalize = atspi_accessible_finalize;
quark_locale = g_quark_from_string ("accessible-locale");
+
+ /**
+ * AtspiAccessible::region-changed:
+ * @atspiaccessible: the object which received the signal
+ * @arg1: an integer specifying the current offset of the text being read,
+ * if the object is textual.
+ * @arg2: an integer specifying the ending offset of the text being read,
+ * if the object is textual.
+ *
+ * The signal "region-changed" is emitted by a screen reader to indicate
+ * that it is now reading or tracking a new object, or, a new piece of
+ * text within an object. This allows a magnifier to gain the information
+ * needed to highlight the object that the screen reader is reading.
+ */
+ atspi_accessible_signals[REGION_CHANGED] =
+ g_signal_new ("region_changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (AtspiAccessibleClass, region_changed),
+ NULL, NULL,
+ atspi_marshal_VOID__INT_INT,
+ G_TYPE_NONE,
+ 2, G_TYPE_INT, G_TYPE_INT);
+
+ g_signal_add_emission_hook (atspi_accessible_signals[REGION_CHANGED], 0,
+ screen_reader_signal_watcher, NULL,
+ (GDestroyNotify) NULL);
}
/**
return locale;
}
+/**
+ * atspi_accessible_get_accessible_id:
+ * @obj: an #AtspiAccessible
+ *
+ * Gets the accessible id of the accessible. This is not meant to be presented
+ * to the user, but to be an id which is stable over application development.
+ * Typically, this is the gtkbuilder id.
+ *
+ * Since: 2.34
+ *
+ * Returns: a character string representing the accessible id of the
+ * #AtspiAccessible object or NULL on exception.
+ **/
+gchar*
+atspi_accessible_get_accessible_id (AtspiAccessible *obj, GError **error)
+{
+ gchar *accessible_id;
+
+ g_return_val_if_fail (obj != NULL, NULL);
+
+ if (!_atspi_dbus_get_property (obj, atspi_interface_accessible,
+ "AccessibleId", error, "s", &accessible_id))
+ return NULL;
+
+ return accessible_id;
+}
+
void
free_value (gpointer data)
{
projects / platform / upstream / at-spi2-core.git / blobdiff