nsresult
SVGMPathElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aMaybeScriptedPrincipal,
bool aNotify)
{
if (!aValue && aName == nsGkAtoms::href) {
// href attr being removed.
if (aNamespaceID == kNameSpaceID_None) {
UnlinkHrefTarget(true);
// After unsetting href, we may still have xlink:href, so we should
// try to add it back.
const nsAttrValue* xlinkHref =
mAttrsAndChildren.GetAttr(nsGkAtoms::href, kNameSpaceID_XLink);
if (xlinkHref) {
UpdateHrefTarget(GetParent(), xlinkHref->GetStringValue());
}
} else if (aNamespaceID == kNameSpaceID_XLink &&
!HasAttr(kNameSpaceID_None, nsGkAtoms::href)) {
UnlinkHrefTarget(true);
} // else: we unset some random-namespace href attribute, or unset xlink:href
// but still have href attribute, so keep the target linking to href.
}
return SVGMPathElementBase::AfterSetAttr(aNamespaceID, aName,
aValue, aOldValue,
aMaybeScriptedPrincipal, aNotify);
}
nsresult
SVGMPathElement::UnsetAttr(int32_t aNamespaceID,
nsIAtom* aAttribute, bool aNotify)
{
nsresult rv = SVGMPathElementBase::UnsetAttr(aNamespaceID, aAttribute,
aNotify);
NS_ENSURE_SUCCESS(rv, rv);
if (aNamespaceID == kNameSpaceID_XLink &&
aAttribute == nsGkAtoms::href) {
UnlinkHrefTarget(true);
}
return NS_OK;
}
