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efl_ui/popup: unset callbacks on win object when parent is removed 

these callbacks must be removed if there is no parent, otherwise they
may trigger once the widget is deleted and trigger invalid object access

@fix

Reviewed-by: Cedric BAIL <cedric.bail@free.fr>
Differential Revision: https://phab.enlightenment.org/D9429
This commit is contained in:
Mike Blumenkrantz 2019-07-26 13:22:44 -04:00 committed by Cedric BAIL
parent f7ce771e32
commit 44ff1e73bb
1 changed files with 12 additions and 2 deletions
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14
src/lib/elementary/efl_ui_popup.c
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@ -96,8 +96,18 @@ _parent_geom_cb(void *data, const Efl_Event *ev EINA_UNUSED)
}
EOLIAN static void
_efl_ui_popup_efl_ui_widget_widget_parent_set(Eo *obj, Efl_Ui_Popup_Data *pd EINA_UNUSED, Eo *parent EINA_UNUSED)
_efl_ui_popup_efl_ui_widget_widget_parent_set(Eo *obj, Efl_Ui_Popup_Data *pd EINA_UNUSED, Eo *parent)
{
if (!parent)
{
/* unsetting parent, probably before deletion */
if (pd->win_parent)
{
efl_event_callback_del(pd->win_parent, EFL_GFX_ENTITY_EVENT_SIZE_CHANGED, _parent_geom_cb, obj);
efl_event_callback_del(pd->win_parent, EFL_GFX_ENTITY_EVENT_POSITION_CHANGED, _parent_geom_cb, obj);
}
goto end;
}
pd->win_parent = efl_provider_find(obj, EFL_UI_WIN_CLASS);
if (!pd->win_parent)
{
@ -112,7 +122,7 @@ _efl_ui_popup_efl_ui_widget_widget_parent_set(Eo *obj, Efl_Ui_Popup_Data *pd EIN
efl_event_callback_add(pd->win_parent, EFL_GFX_ENTITY_EVENT_SIZE_CHANGED, _parent_geom_cb, obj);
efl_event_callback_add(pd->win_parent, EFL_GFX_ENTITY_EVENT_POSITION_CHANGED, _parent_geom_cb, obj);
end:
efl_ui_widget_parent_set(efl_super(obj, MY_CLASS), parent);
}