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container: Add diagnostic warnings for deprecated vfuncs

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The old add(), remove(), and foreach() virtual functions are deprecated;
ClutterContainer should warn if the public API detects that the vfuncs
have been overridden.

Strictly speaking, it's still legal to override those vfuncs: you can
chain up to the default vtable, or you could just provide an equivalent
implementation. The goal is to avoid having to override the Container
interface, until we can safely deprecate it and remove it in Clutter
2.0.
This commit is contained in:
Emmanuele Bassi 2011-12-20 15:21:06 +00:00 committed by Emmanuele Bassi
parent 477c60c185
commit 7f092af15b
1 changed files with 48 additions and 3 deletions
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51
clutter/clutter-container.c
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@ -247,6 +247,19 @@ container_add_actor (ClutterContainer *container,
clutter_container_create_child_meta (container, actor);
#ifdef CLUTTER_ENABLE_DEBUG
if (G_UNLIKELY (_clutter_diagnostic_enabled ()))
{
ClutterContainerIface *iface = CLUTTER_CONTAINER_GET_IFACE (container);
if (iface->add != container_real_add)
_clutter_diagnostic_message ("The ClutterContainer::add() virtual "
"function has been deprecated and it "
"should not be overridden by newly "
"written code");
}
#endif /* CLUTTER_ENABLE_DEBUG */
CLUTTER_CONTAINER_GET_IFACE (container)->add (container, actor);
}
@ -269,6 +282,19 @@ container_remove_actor (ClutterContainer *container,
clutter_container_destroy_child_meta (container, actor);
#ifdef CLUTTER_ENABLE_DEBUG
if (G_UNLIKELY (_clutter_diagnostic_enabled ()))
{
ClutterContainerIface *iface = CLUTTER_CONTAINER_GET_IFACE (container);
if (iface->remove != container_real_remove)
_clutter_diagnostic_message ("The ClutterContainer::remove() virtual "
"function has been deprecated and it "
"should not be overridden by newly "
"written code");
}
#endif /* CLUTTER_ENABLE_DEBUG */
CLUTTER_CONTAINER_GET_IFACE (container)->remove (container, actor);
}
@ -521,6 +547,19 @@ clutter_container_foreach (ClutterContainer *container,
g_return_if_fail (CLUTTER_IS_CONTAINER (container));
g_return_if_fail (callback != NULL);
#ifdef CLUTTER_ENABLE_DEBUG
if (G_UNLIKELY (_clutter_diagnostic_enabled ()))
{
ClutterContainerIface *iface = CLUTTER_CONTAINER_GET_IFACE (container);
if (iface->foreach != container_real_foreach)
_clutter_diagnostic_message ("The ClutterContainer::foreach() "
"virtual function has been deprecated "
"and it should not be overridden by "
"newly written code");
}
#endif /* CLUTTER_ENABLE_DEBUG */
CLUTTER_CONTAINER_GET_IFACE (container)->foreach (container,
callback,
user_data);
@ -551,11 +590,17 @@ clutter_container_foreach_with_internals (ClutterContainer *container,
g_return_if_fail (callback != NULL);
iface = CLUTTER_CONTAINER_GET_IFACE (container);
if (!iface->foreach)
#ifdef CLUTTER_ENABLE_DEBUG
if (G_UNLIKELY (_clutter_diagnostic_enabled ()))
{
CLUTTER_CONTAINER_WARN_NOT_IMPLEMENTED (container, "foreach");
return;
if (iface->foreach_with_internals != NULL)
_clutter_diagnostic_message ("The ClutterContainer::foreach_with_internals() "
"virtual function has been deprecated "
"and it should not be overridden by "
"newly written code");
}
#endif /* CLUTTER_ENABLE_DEBUG */
if (iface->foreach_with_internals != NULL)
iface->foreach_with_internals (container, callback, user_data);