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object: add new _abort_activation API

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Allows aborting an object activation by returning a transition error for all
pending transitions.
This commit is contained in:
Julian Bouzas 2021-11-23 14:48:33 -05:00
parent 7483f3573f
commit 93c0b48bd9
2 changed files with 43 additions and 0 deletions
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40
lib/wp/object.c
View file

@ -11,6 +11,7 @@
#include "object.h"
#include "log.h"
#include "core.h"
#include "error.h"
/*! \defgroup wpfeatureactivationtransition WpFeatureActivationTransition */
/*!
@ -466,6 +467,45 @@ wp_object_deactivate (WpObject * self, WpObjectFeatures features)
WP_OBJECT_GET_CLASS (self)->deactivate (self, features & priv->ft_active);
}
/*!
* \brief Aborts the current object activation by returning a transition error
* if any transitions are pending.
*
* This is usually used to stop any pending activation if an error happened.
*
* \ingroup wpobject
* \param self the object
* \param msg the message used in the transition error
* \since 0.4.6
*/
void
wp_object_abort_activation (WpObject * self, const gchar *msg)
{
WpObjectPrivate *priv;
g_autoptr (WpTransition) t = NULL;
g_return_if_fail (WP_IS_OBJECT (self));
priv = wp_object_get_instance_private (self);
g_clear_pointer (&priv->idle_advnc_source, g_source_unref);
/* abort ongoing transition if any */
t = g_weak_ref_get (&priv->ongoing_transition);
if (t)
wp_transition_return_error (t, g_error_new (WP_DOMAIN_LIBRARY,
WP_LIBRARY_ERROR_OPERATION_FAILED,
"Object activation aborted: %s", msg));
/* abort queued transitions */
while (!g_queue_is_empty (priv->transitions)) {
WpTransition *next = g_queue_pop_head (priv->transitions);
wp_transition_return_error (next, g_error_new (WP_DOMAIN_LIBRARY,
WP_LIBRARY_ERROR_OPERATION_FAILED,
"Object activation aborted: %s", msg));
}
}
/*!
* \brief Allows subclasses to update the currently active features.
*

3
lib/wp/object.h
View file

@ -106,6 +106,9 @@ void wp_object_deactivate (WpObject * self, WpObjectFeatures features);
/* for subclasses only */
WP_API
void wp_object_abort_activation (WpObject * self, const gchar *msg);
WP_API
void wp_object_update_features (WpObject * self, WpObjectFeatures activated,
WpObjectFeatures deactivated);