forked from AuroraMiddleware/gtk
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
/*
|
|
* Copyright © 2011 Canonical Limited
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* licence 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* Authors: Ryan Lortie <desrt@desrt.ca>
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include "gtkactionobservableprivate.h"
|
|
|
|
G_DEFINE_INTERFACE (GtkActionObservable, gtk_action_observable, G_TYPE_OBJECT)
|
|
|
|
void
|
|
gtk_action_observable_default_init (GtkActionObservableInterface *iface)
|
|
{
|
|
}
|
|
|
|
/**
|
|
* gtk_action_observable_register_observer:
|
|
* @observable: a `GtkActionObservable`
|
|
* @action_name: the name of the action
|
|
* @observer: the `GtkActionObserver` to which the events will be reported
|
|
*
|
|
* Registers @observer as being interested in changes to @action_name on
|
|
* @observable.
|
|
*/
|
|
void
|
|
gtk_action_observable_register_observer (GtkActionObservable *observable,
|
|
const char *action_name,
|
|
GtkActionObserver *observer)
|
|
{
|
|
g_return_if_fail (GTK_IS_ACTION_OBSERVABLE (observable));
|
|
|
|
GTK_ACTION_OBSERVABLE_GET_IFACE (observable)
|
|
->register_observer (observable, action_name, observer);
|
|
}
|
|
|
|
/**
|
|
* gtk_action_observable_unregister_observer:
|
|
* @observable: a `GtkActionObservable`
|
|
* @action_name: the name of the action
|
|
* @observer: the `GtkActionObserver` to which the events will be reported
|
|
*
|
|
* Removes the registration of @observer as being interested in changes
|
|
* to @action_name on @observable.
|
|
*
|
|
* If the observer was registered multiple times, it must be
|
|
* unregistered an equal number of times.
|
|
*/
|
|
void
|
|
gtk_action_observable_unregister_observer (GtkActionObservable *observable,
|
|
const char *action_name,
|
|
GtkActionObserver *observer)
|
|
{
|
|
g_return_if_fail (GTK_IS_ACTION_OBSERVABLE (observable));
|
|
|
|
GTK_ACTION_OBSERVABLE_GET_IFACE (observable)
|
|
->unregister_observer (observable, action_name, observer);
|
|
}
|