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Bug 1363481 - Add the old attribute value as a parameter to Element::AfterSetAttr

Browse source 
Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 05:26:58 -04:00 • committed by Roy Tam
commit 1f233fa14b
65 changed files with 352 additions and 161 deletions
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21
dom/base/nsAttrAndChildArray.cpp
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@ -382,12 +382,15 @@ nsAttrAndChildArray::AttrAt(uint32_t aPos) const
}
nsresult
nsAttrAndChildArray::SetAndSwapAttr(nsIAtom* aLocalName, nsAttrValue& aValue)
nsAttrAndChildArray::SetAndSwapAttr(nsIAtom* aLocalName, nsAttrValue& aValue,
bool* aHadValue)
{
*aHadValue = false;
uint32_t i, slotCount = AttrSlotCount();
for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
if (ATTRS(mImpl)[i].mName.Equals(aLocalName)) {
ATTRS(mImpl)[i].mValue.SwapValueWith(aValue);
*aHadValue = true;
return NS_OK;
}
}
@ -407,21 +410,22 @@ nsAttrAndChildArray::SetAndSwapAttr(nsIAtom* aLocalName, nsAttrValue& aValue)
}
nsresult
nsAttrAndChildArray::SetAndSwapAttr(mozilla::dom::NodeInfo* aName, nsAttrValue& aValue)
nsAttrAndChildArray::SetAndSwapAttr(mozilla::dom::NodeInfo* aName,
nsAttrValue& aValue, bool* aHadValue)
{
int32_t namespaceID = aName->NamespaceID();
nsIAtom* localName = aName->NameAtom();
if (namespaceID == kNameSpaceID_None) {
return SetAndSwapAttr(localName, aValue);
return SetAndSwapAttr(localName, aValue, aHadValue);
}
*aHadValue = false;
uint32_t i, slotCount = AttrSlotCount();
for (i = 0; i < slotCount && AttrSlotIsTaken(i); ++i) {
if (ATTRS(mImpl)[i].mName.Equals(localName, namespaceID)) {
ATTRS(mImpl)[i].mName.SetTo(aName);
ATTRS(mImpl)[i].mValue.Reset();
ATTRS(mImpl)[i].mValue.SwapValueWith(aValue);
*aHadValue = true;
return NS_OK;
}
}
@ -576,10 +580,11 @@ nsAttrAndChildArray::IndexOfAttr(nsIAtom* aLocalName, int32_t aNamespaceID) cons
}
nsresult
nsAttrAndChildArray::SetAndTakeMappedAttr(nsIAtom* aLocalName,
nsAttrAndChildArray::SetAndSwapMappedAttr(nsIAtom* aLocalName,
nsAttrValue& aValue,
nsMappedAttributeElement* aContent,
nsHTMLStyleSheet* aSheet)
nsHTMLStyleSheet* aSheet,
bool* aHadValue)
{
bool willAdd = true;
if (mImpl && mImpl->mMappedAttrs) {
@ -589,7 +594,7 @@ nsAttrAndChildArray::SetAndTakeMappedAttr(nsIAtom* aLocalName,
RefPtr<nsMappedAttributes> mapped =
GetModifiableMapped(aContent, aSheet, willAdd);
mapped->SetAndTakeAttr(aLocalName, aValue);
mapped->SetAndSwapAttr(aLocalName, aValue, aHadValue);
return MakeMappedUnique(mapped);
}