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Bug 1206107 - crash beginning in nightly 0916 in mozilla::a11y::Accessible::HasGenericType, part2, r=tbsaunde

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This commit is contained in:
Alexander Surkov 2015-10-07 10:59:02 -04:00
parent d5e1fdfdf3
commit 90389780a3
1 changed files with 22 additions and 13 deletions
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35
accessible/generic/DocAccessible.cpp
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@ -1364,14 +1364,15 @@ DocAccessible::ProcessInvalidationList()
continue;
}
if (!child->Parent()) {
Accessible* oldParent = child->Parent();
if (!oldParent) {
NS_ERROR("The accessible is in document but doesn't have a parent");
continue;
}
int32_t idxInParent = child->IndexInParent();
// XXX: update context flags
{
Accessible* oldParent = child->Parent();
nsRefPtr<AccReorderEvent> reorderEvent = new AccReorderEvent(oldParent);
nsRefPtr<AccMutationEvent> hideEvent =
new AccHideEvent(child, child->GetContent(), false);
@ -1385,21 +1386,29 @@ DocAccessible::ProcessInvalidationList()
FireDelayedEvent(reorderEvent);
}
bool isReinserted = false;
{
AutoTreeMutation mut(owner);
owner->AppendChild(child);
nsRefPtr<AccReorderEvent> reorderEvent = new AccReorderEvent(owner);
nsRefPtr<AccMutationEvent> showEvent =
new AccShowEvent(child, child->GetContent());
FireDelayedEvent(showEvent);
reorderEvent->AddSubMutationEvent(showEvent);
MaybeNotifyOfValueChange(owner);
FireDelayedEvent(reorderEvent);
isReinserted = owner->AppendChild(child);
}
child->SetRepositioned(true);
Accessible* newParent = owner;
if (!isReinserted) {
AutoTreeMutation mut(oldParent);
oldParent->InsertChildAt(idxInParent, child);
newParent = oldParent;
}
nsRefPtr<AccReorderEvent> reorderEvent = new AccReorderEvent(newParent);
nsRefPtr<AccMutationEvent> showEvent =
new AccShowEvent(child, child->GetContent());
FireDelayedEvent(showEvent);
reorderEvent->AddSubMutationEvent(showEvent);
MaybeNotifyOfValueChange(newParent);
FireDelayedEvent(reorderEvent);
child->SetRepositioned(isReinserted);
}
mARIAOwnsInvalidationList.Clear();