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"
35 GType atspi_event_get_type (void);
38 * AtspiEventListenerCB:
39 * @event: (transfer full): The event for which notification is sent.
40 * @user_data: User data which is passed to the callback each time a notification takes place.
42 * A function prototype for callbacks via which clients are notified of AT-SPI events.
45 typedef void (*AtspiEventListenerCB) (const AtspiEvent *event,
49 * AtspiEventListenerSimpleCB:
50 * @event: (transfer full): The event for which notification is sent.
52 * Like #AtspiEventlistenerCB, but with no user_data.
55 typedef void (*AtspiEventListenerSimpleCB) (const AtspiEvent *event);
57 #define ATSPI_TYPE_EVENT_LISTENER (atspi_event_listener_get_type ())
58 #define ATSPI_EVENT_LISTENER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), ATSPI_TYPE_EVENT_LISTENER, AtspiEventListener))
59 #define ATSPI_EVENT_LISTENER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), ATSPI_TYPE_EVENT_LISTENER, AtspiEventListenerClass))
60 #define ATSPI_IS_EVENT_LISTENER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATSPI_TYPE_EVENT_LISTENER))
61 #define ATSPI_IS_EVENT_LISTENER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), ATSPI_TYPE_EVENT_LISTENER))
62 #define ATSPI_EVENT_LISTENER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), ATSPI_TYPE_EVENT_LISTENER, AtspiEventListenerClass))
64 typedef struct _AtspiEventListener AtspiEventListener;
65 struct _AtspiEventListener
68 AtspiEventListenerCB callback;
70 GDestroyNotify cb_destroyed;
73 typedef struct _AtspiEventListenerClass AtspiEventListenerClass;
74 struct _AtspiEventListenerClass
76 GObjectClass parent_class;
79 GType atspi_event_listener_get_type (void);
82 atspi_event_listener_new (AtspiEventListenerCB callback,
84 GDestroyNotify callback_destroyed);
87 atspi_event_listener_new_simple (AtspiEventListenerSimpleCB callback,
88 GDestroyNotify callback_destroyed);
91 atspi_event_listener_register (AtspiEventListener *listener,
92 const gchar *event_type,
96 atspi_event_listener_register_from_callback (AtspiEventListenerCB callback,
98 GDestroyNotify callback_destroyed,
99 const gchar *event_type,
103 atspi_event_listener_register_no_data (AtspiEventListenerSimpleCB callback,
104 GDestroyNotify callback_destroyed,
105 const gchar *event_type,
109 atspi_event_listener_deregister (AtspiEventListener *listener,
110 const gchar *event_type,
114 atspi_event_listener_deregister_from_callback (AtspiEventListenerCB callback,
116 const gchar *event_type,
120 atspi_event_listener_deregister_no_data (AtspiEventListenerSimpleCB callback,
121 const gchar *event_type,
126 #endif /* _ATSPI_EVENT_LISTENER_H_ */