2 * AT-SPI - Assistive Technology Service Provider Interface
3 * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
5 * Copyright 2002 Ximian, Inc.
6 * 2002 Sun Microsystems Inc.
7 * Copyright 2010, 2011 Novell, Inc.
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Library General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Library General Public License for more details.
20 * You should have received a copy of the GNU Library General Public
21 * License along with this library; if not, write to the
22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 * Boston, MA 02111-1307, USA.
26 #ifndef _ATSPI_EVENT_LISTENER_H_
27 #define _ATSPI_EVENT_LISTENER_H_
29 #include "glib-object.h"
31 #include "atspi-types.h"
33 GType atspi_event_get_type (void);
36 * AtspiEventListenerCB:
37 * @event: (transfer full): The event for which notification is sent.
38 * @user_data: User data which is passed to the callback each time a notification takes place.
40 * A function prototype for callbacks via which clients are notified of AT-SPI events.
43 typedef void (*AtspiEventListenerCB) (const AtspiEvent *event,
47 * AtspiEventListenerSimpleCB:
48 * @event: (transfer full): The event for which notification is sent.
50 * Like #AtspiEventlistenerCB, but with no user_data.
53 typedef void (*AtspiEventListenerSimpleCB) (const AtspiEvent *event);
55 #define ATSPI_TYPE_EVENT_LISTENER (atspi_event_listener_get_type ())
56 #define ATSPI_EVENT_LISTENER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), ATSPI_TYPE_EVENT_LISTENER, AtspiEventListener))
57 #define ATSPI_EVENT_LISTENER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ATSPI_TYPE_EVENT_LISTENER, AtspiEventListenerClass))
58 #define ATSPI_IS_EVENT_LISTENER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATSPI_TYPE_EVENT_LISTENER))
59 #define ATSPI_IS_EVENT_LISTENER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ATSPI_TYPE_EVENT_LISTENER))
60 #define ATSPI_EVENT_LISTENER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ATSPI_TYPE_EVENT_LISTENER, AtspiEventListenerClass))
62 typedef struct _AtspiEventListener AtspiEventListener;
63 struct _AtspiEventListener
66 AtspiEventListenerCB callback;
68 GDestroyNotify cb_destroyed;
71 typedef struct _AtspiEventListenerClass AtspiEventListenerClass;
72 struct _AtspiEventListenerClass
74 GObjectClass parent_class;
77 GType atspi_event_listener_get_type (void);
80 atspi_event_listener_new_simple (AtspiEventListenerSimpleCB callback,
81 GDestroyNotify callback_destroyed);
84 atspi_event_listener_register (AtspiEventListener *listener,
85 const gchar *event_type,
89 atspi_event_listener_register_from_callback (AtspiEventListenerCB callback,
91 GDestroyNotify callback_destroyed,
92 const gchar *event_type,
96 atspi_event_listener_register_no_data (AtspiEventListenerSimpleCB callback,
97 GDestroyNotify callback_destroyed,
98 const gchar *event_type,
102 atspi_event_listener_deregister (AtspiEventListener *listener,
103 const gchar *event_type,
107 atspi_event_listener_deregister_from_callback (AtspiEventListenerCB callback,
109 const gchar *event_type,
113 atspi_event_listener_deregister_no_data (AtspiEventListenerSimpleCB callback,
114 const gchar *event_type,
116 #endif /* _ATSPI_EVENT_LISTENER_H_ */