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Bug 538633 - nsAccessible tree navigation methods should deal with nsAccessible pointers, r=marcoz, davidb, sr=neil

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This commit is contained in:
Alexander Surkov
2010-01-11 22:14:06 +08:00
parent 10cec0a223
commit 9f820199e5
34 changed files with 241 additions and 268 deletions
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9
accessible/src/html/nsHTMLFormControlAccessible.cpp
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@@ -673,19 +673,20 @@ nsHTMLLegendAccessible::GetRelationByType(PRUint32 aRelationType,
if (aRelationType == nsIAccessibleRelation::RELATION_LABEL_FOR) {
// Look for groupbox parent
nsCOMPtr<nsIAccessible> groupboxAccessible = GetParent();
if (nsAccUtils::Role(groupboxAccessible) == nsIAccessibleRole::ROLE_GROUPING) {
nsAccessible* groupbox = GetParent();
if (nsAccUtils::Role(groupbox) == nsIAccessibleRole::ROLE_GROUPING) {
// XXX: if group box exposes more than one relation of the given type
// then we fail.
nsCOMPtr<nsIAccessible> testLabelAccessible =
nsRelUtils::GetRelatedAccessible(groupboxAccessible,
nsRelUtils::GetRelatedAccessible(groupbox,
nsIAccessibleRelation::RELATION_LABELLED_BY);
if (testLabelAccessible == this) {
// We're the first child of the parent groupbox, see
// nsHTMLGroupboxAccessible::GetRelationByType().
return nsRelUtils::
AddTarget(aRelationType, aRelation, groupboxAccessible);
AddTarget(aRelationType, aRelation, groupbox);
}
}
}