ce43cf5f0c
* make the registries available as dynamic interfaces of the core * improve a bit the C API of WpObject & WpInterfaceImpl
122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
/* WirePlumber
|
|
*
|
|
* Copyright © 2019 Collabora Ltd.
|
|
* @author George Kiagiadakis <george.kiagiadakis@collabora.com>
|
|
*
|
|
* SPDX-License-Identifier: LGPL-2.1-or-later
|
|
*/
|
|
|
|
#include "interface-impl.h"
|
|
#include "object.h"
|
|
|
|
typedef struct {
|
|
WpObject *object;
|
|
} WpInterfaceImplPrivate;
|
|
|
|
G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (WpInterfaceImpl, wp_interface_impl, G_TYPE_OBJECT);
|
|
|
|
static void
|
|
wp_interface_impl_init (WpInterfaceImpl * self)
|
|
{
|
|
}
|
|
|
|
static void
|
|
wp_interface_impl_finalize (GObject * obj)
|
|
{
|
|
WpInterfaceImpl *self = WP_INTERFACE_IMPL (obj);
|
|
WpInterfaceImplPrivate *priv = wp_interface_impl_get_instance_private (self);
|
|
|
|
g_clear_weak_pointer (&priv->object);
|
|
|
|
G_OBJECT_CLASS (wp_interface_impl_parent_class)->finalize (obj);
|
|
}
|
|
|
|
static void
|
|
wp_interface_impl_class_init (WpInterfaceImplClass * klass)
|
|
{
|
|
GObjectClass *object_class = (GObjectClass *) klass;
|
|
object_class->finalize = wp_interface_impl_finalize;
|
|
}
|
|
|
|
/**
|
|
* wp_interface_impl_set_object: (skip)
|
|
* @self: the interface implementation instance
|
|
* @object: (nullable) (transfer none): the implementor
|
|
*/
|
|
void
|
|
wp_interface_impl_set_object (WpInterfaceImpl * self, WpObject * object)
|
|
{
|
|
WpInterfaceImplPrivate *priv = wp_interface_impl_get_instance_private (self);
|
|
|
|
g_return_if_fail (WP_IS_INTERFACE_IMPL (self));
|
|
g_return_if_fail (WP_IS_OBJECT (object));
|
|
|
|
g_set_weak_pointer (&priv->object, object);
|
|
}
|
|
|
|
/**
|
|
* wp_interface_impl_get_object: (method)
|
|
* @self: the interface implementation instance
|
|
*
|
|
* Returns: (nullable) (transfer none): the object implementing this interface
|
|
*/
|
|
WpObject *
|
|
wp_interface_impl_get_object (WpInterfaceImpl * self)
|
|
{
|
|
WpInterfaceImplPrivate *priv = wp_interface_impl_get_instance_private (self);
|
|
|
|
g_return_val_if_fail (WP_IS_INTERFACE_IMPL (self), NULL);
|
|
|
|
return priv->object;
|
|
}
|
|
|
|
/**
|
|
* wp_interface_impl_get_sibling: (method)
|
|
* @self: the interface implementation instance
|
|
* @interface: an interface type
|
|
*
|
|
* Returns: (type GObject*) (nullable) (transfer full): the object
|
|
* implementing @interface
|
|
*/
|
|
gpointer
|
|
wp_interface_impl_get_sibling (WpInterfaceImpl * self, GType interface)
|
|
{
|
|
WpInterfaceImplPrivate *priv = wp_interface_impl_get_instance_private (self);
|
|
GObject *iface = NULL;
|
|
|
|
g_return_val_if_fail (WP_IS_INTERFACE_IMPL (self), NULL);
|
|
g_return_val_if_fail (G_TYPE_IS_INTERFACE (interface), NULL);
|
|
|
|
if (g_type_is_a (G_TYPE_FROM_INSTANCE (self), interface)) {
|
|
iface = G_OBJECT (g_object_ref (self));
|
|
} else if (priv->object) {
|
|
iface = wp_object_get_interface (priv->object, interface);
|
|
}
|
|
|
|
return iface;
|
|
}
|
|
|
|
/**
|
|
* wp_interface_impl_get_prerequisites: (virtual get_prerequisites)
|
|
* @self: the interface implementation instance
|
|
* @n_prerequisites: (out): the number of elements in the returned array
|
|
*
|
|
* Returns: (array length=n_prerequisites) (transfer none): the types that are
|
|
* required by this interface implementation
|
|
*/
|
|
GType *
|
|
wp_interface_impl_get_prerequisites (WpInterfaceImpl * self,
|
|
guint * n_prerequisites)
|
|
{
|
|
WpInterfaceImplClass * klass = WP_INTERFACE_IMPL_GET_CLASS (self);
|
|
|
|
g_return_val_if_fail (WP_IS_INTERFACE_IMPL (self), NULL);
|
|
g_return_val_if_fail (n_prerequisites != NULL, NULL);
|
|
|
|
if (klass->get_prerequisites)
|
|
return klass->get_prerequisites (self, n_prerequisites);
|
|
|
|
*n_prerequisites = 0;
|
|
return NULL;
|
|
}
|