+ cspi_device_listener_unref (listener);
+}
+
+/**
+ * SPI_createAccessibleDeviceListener:
+ * @callback : an #AccessibleDeviceListenerCB callback function, or NULL.
+ * @user_data: a pointer to data which will be passed to the callback when invoked.
+ *
+ * Create a new #AccessibleDeviceListener with a specified callback function.
+ *
+ * Returns: a pointer to a newly-created #AccessibleDeviceListener.
+ *
+ **/
+AccessibleDeviceListener *
+SPI_createAccessibleDeviceListener (AccessibleDeviceListenerCB callback,
+ void *user_data)
+{
+ AccessibleDeviceListener *listener = cspi_device_listener_new ();
+ if (callback)
+ {
+ AccessibleDeviceListener_addCallback (listener, callback, user_data);
+ }
+ return listener;
+}
+
+/**
+ * AccessibleDeviceListener_addCallback:
+ * @listener: the #AccessibleDeviceListener instance to modify.
+ * @callback: an #AccessibleDeviceListenerCB function pointer.
+ * @user_data: a pointer to data which will be passed to the callback when invoked.
+ *
+ * Add an in-process callback function to an existing #AccessibleDeviceListener.
+ *
+ * Returns: #TRUE if successful, otherwise #FALSE.
+ *
+ **/
+SPIBoolean
+AccessibleDeviceListener_addCallback (AccessibleDeviceListener *listener,
+ AccessibleDeviceListenerCB callback,
+ void *user_data)
+{
+ cspi_device_listener_add_cb (listener, callback, user_data);
+ return TRUE;
+}
+
+/**
+ * AccessibleDeviceListener_removeCallback:
+ * @listener: the #AccessibleDeviceListener instance to modify.
+ * @callback: an #AccessibleDeviceListenerCB function pointer.
+ *
+ * Remove an in-process callback function from an existing #AccessibleDeviceListener.
+ *
+ * Returns: #TRUE if successful, otherwise #FALSE.
+ *
+ **/
+SPIBoolean
+AccessibleDeviceListener_removeCallback (AccessibleDeviceListener *listener,
+ AccessibleDeviceListenerCB callback)
+{
+ cspi_device_listener_remove_cb (listener, callback);
+ return TRUE;
+}
+
+/**
+ * AccessibleDeviceListener_unref:
+ * @listener: a pointer to the #AccessibleDeviceListener being operated on.
+ *
+ * Decrements an #AccessibleDeviceListener's reference count.
+ **/
+void
+AccessibleDeviceListener_unref (AccessibleDeviceListener *listener)
+{
+ cspi_device_listener_unref (listener);