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si-interfaces: add default implementations of optional methods

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Implementations are not required to provide implementations for these
if they don't need them
This commit is contained in:
George Kiagiadakis 2020-04-22 13:49:37 +03:00
parent 78fe4dc30e
commit 45059cb348
1 changed files with 34 additions and 3 deletions
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37
lib/wp/si-interfaces.c
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@ -23,9 +23,24 @@
*/
G_DEFINE_INTERFACE (WpSiEndpoint, wp_si_endpoint, WP_TYPE_SESSION_ITEM)
static WpProperties *
wp_si_endpoint_default_get_properties (WpSiEndpoint * self)
{
return NULL;
}
static WpSiStreamAcquisition *
wp_si_endpoint_default_get_stream_acquisition (WpSiEndpoint * self)
{
return NULL;
}
static void
wp_si_endpoint_default_init (WpSiEndpointInterface * iface)
{
iface->get_properties = wp_si_endpoint_default_get_properties;
iface->get_stream_acquisition = wp_si_endpoint_default_get_stream_acquisition;
g_signal_new ("endpoint-properties-changed", G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
@ -106,9 +121,9 @@ wp_si_endpoint_get_stream (WpSiEndpoint * self, guint index)
* wp_si_endpoint_get_stream_acquisition: (virtual get_stream_acquisition)
* @self: the session item
*
* Returns: (transfer none): the stream acquisition interface associated with
* this endpoint, or %NULL if this endpoint does not require acquiring
* streams before linking them
* Returns: (transfer none) (nullable): the stream acquisition interface
* associated with this endpoint, or %NULL if this endpoint does not require
* acquiring streams before linking them
*/
WpSiStreamAcquisition *
wp_si_endpoint_get_stream_acquisition (WpSiEndpoint * self)
@ -182,9 +197,17 @@ wp_si_multi_endpoint_get_endpoint (WpSiMultiEndpoint * self, guint index)
*/
G_DEFINE_INTERFACE (WpSiStream, wp_si_stream, WP_TYPE_SESSION_ITEM)
static WpProperties *
wp_si_stream_default_get_properties (WpSiStream * self)
{
return NULL;
}
static void
wp_si_stream_default_init (WpSiStreamInterface * iface)
{
iface->get_properties = wp_si_stream_default_get_properties;
g_signal_new ("stream-properties-changed", G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
}
@ -246,9 +269,17 @@ wp_si_stream_get_parent_endpoint (WpSiStream * self)
*/
G_DEFINE_INTERFACE (WpSiLink, wp_si_link, WP_TYPE_SESSION_ITEM)
static WpProperties *
wp_si_link_default_get_properties (WpSiLink * self)
{
return NULL;
}
static void
wp_si_link_default_init (WpSiLinkInterface * iface)
{
iface->get_properties = wp_si_link_default_get_properties;
g_signal_new ("link-properties-changed", G_TYPE_FROM_INTERFACE (iface),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, G_TYPE_NONE, 0);
}