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/*
* Copyright © 2013 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: Nick Dedekind <nick.dedekind@canonical.com
*/
#include "gtksimpleactionobserver.h"
typedef GObjectClass GtkSimpleActionObserverClass;
struct _GtkSimpleActionObserver
{
GObject parent_instance;
GtkActionObservable *observable;
gchar* action_name;
GtkActionAddedFunc action_added;
GtkActionEnabledChangedFunc action_enabled_changed;
GtkActionStateChangedFunc action_state_changed;
GtkActionRemovedFunc action_removed;
};
static void gtk_simple_action_observer_init_observer_iface (GtkActionObserverInterface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkSimpleActionObserver, gtk_simple_action_observer, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTION_OBSERVER, gtk_simple_action_observer_init_observer_iface))
static void
gtk_simple_action_observer_finalize (GObject *object)
{
GtkSimpleActionObserver *self = GTK_SIMPLE_ACTION_OBSERVER (object);
g_clear_object (&self->observable);
g_free(self->action_name);
G_OBJECT_CLASS (gtk_simple_action_observer_parent_class)->finalize (object);
}
static void
gtk_simple_action_observer_init (GtkSimpleActionObserver * self)
{
}
static void
gtk_simple_action_observer_class_init (GtkSimpleActionObserverClass *class)
{
class->finalize = gtk_simple_action_observer_finalize;
}
static void
gtk_simple_action_observer_action_added (GtkActionObserver *observer,
GtkActionObservable *observable,
const gchar *action_name,
const GVariantType *parameter_type,
gboolean enabled,
GVariant *state)
{
GtkSimpleActionObserver* self;
self = GTK_SIMPLE_ACTION_OBSERVER (observer);
self->action_added(self, action_name, enabled, state);
}
static void
gtk_simple_action_observer_action_enabled_changed (GtkActionObserver *observer,
GtkActionObservable *observable,
const gchar *action_name,
gboolean enabled)
{
GtkSimpleActionObserver* self;
self = GTK_SIMPLE_ACTION_OBSERVER (observer);
self->action_enabled_changed(self, action_name, enabled);
}
static void
gtk_simple_action_observer_action_state_changed (GtkActionObserver *observer,
GtkActionObservable *observable,
const gchar *action_name,
GVariant *state)
{
GtkSimpleActionObserver* self;
self = GTK_SIMPLE_ACTION_OBSERVER (observer);
self->action_state_changed(self, action_name, state);
}
static void
gtk_simple_action_observer_action_removed (GtkActionObserver *observer,
GtkActionObservable *observable,
const gchar *action_name)
{
GtkSimpleActionObserver* self;
self = GTK_SIMPLE_ACTION_OBSERVER (observer);
self->action_removed(self, action_name);
}
static void
gtk_simple_action_observer_init_observer_iface (GtkActionObserverInterface *iface)
{
iface->action_added = gtk_simple_action_observer_action_added;
iface->action_enabled_changed = gtk_simple_action_observer_action_enabled_changed;
iface->action_state_changed = gtk_simple_action_observer_action_state_changed;
iface->action_removed = gtk_simple_action_observer_action_removed;
}
GtkSimpleActionObserver*
gtk_simple_action_observer_new (GtkActionObservable *observable,
GtkActionAddedFunc action_added,
GtkActionEnabledChangedFunc action_enabled_changed,
GtkActionStateChangedFunc action_state_changed,
GtkActionRemovedFunc action_removed)
{
GtkSimpleActionObserver* self;
self = g_object_new (GTK_TYPE_SIMPLE_ACTION_OBSERVER, NULL);
self->observable = g_object_ref (observable);
self->action_name = NULL;
self->action_added = action_added;
self->action_enabled_changed = action_enabled_changed;
self->action_state_changed = action_state_changed;
self->action_removed = action_removed;
return self;
}
void
gtk_simple_action_observer_register_action (GtkSimpleActionObserver *self,
const gchar *action_name)
{
gtk_simple_action_observer_unregister_action(self);
if (action_name && g_strcmp0(action_name, "") != 0) {
self->action_name = g_strdup (action_name);
if (g_strcmp0(self->action_name, "") != 0) {
gtk_action_observable_register_observer (self->observable, self->action_name, GTK_ACTION_OBSERVER (self));
}
}
}
void
gtk_simple_action_observer_unregister_action (GtkSimpleActionObserver *self)
{
if (self->action_name) {
gtk_action_observable_unregister_observer(self->observable, self->action_name, GTK_ACTION_OBSERVER (self));
g_free(self->action_name);
self->action_name = NULL;
}
}
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