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| author | win7-7 <win7-7@users.noreply.github.com> | 2020-02-03 20:47:41 +0200 |
|---|---|---|
| committer | win7-7 <win7-7@users.noreply.github.com> | 2020-02-03 20:47:41 +0200 |
| commit | 597a6996f14429d09a7c89b1f774d2490cca3dd6 (patch) | |
| tree | 3dbc37b8f412d636abcb5b167f58f3fbb1faa2a0 /dom/mathml | |
| parent | c4e1022f578b264641f5e25fcef3069bdae7490e (diff) | |
| download | uxp-597a6996f14429d09a7c89b1f774d2490cca3dd6.tar.gz | |
Issue #1386 - Devirtualize GetRowSpan/GetColSpan
It's at ~1.5% on the perf log for the Netflix use case, which seems a bit too much.
Diffstat (limited to 'dom/mathml')
| -rw-r--r-- | dom/mathml/nsMathMLElement.cpp | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/dom/mathml/nsMathMLElement.cpp b/dom/mathml/nsMathMLElement.cpp index d6aef876c7..2be9316824 100644 --- a/dom/mathml/nsMathMLElement.cpp +++ b/dom/mathml/nsMathMLElement.cpp @@ -9,6 +9,7 @@ #include "base/compiler_specific.h" #include "mozilla/ArrayUtils.h" #include "nsGkAtoms.h" +#include "nsITableCellLayout.h" // for MAX_COLSPAN / MAX_ROWSPAN #include "nsCRT.h" #include "nsLayoutStylesheetCache.h" #include "nsRuleData.h" @@ -150,8 +151,9 @@ nsMathMLElement::ParseAttribute(int32_t aNamespaceID, const nsAString& aValue, nsAttrValue& aResult) { + MOZ_ASSERT(IsMathMLElement()); if (aNamespaceID == kNameSpaceID_None) { - if (IsMathMLElement(nsGkAtoms::math) && aAttribute == nsGkAtoms::mode) { + if (mNodeInfo->Equals(nsGkAtoms::math) && aAttribute == nsGkAtoms::mode) { WarnDeprecated(nsGkAtoms::mode->GetUTF16String(), nsGkAtoms::display->GetUTF16String(), OwnerDoc()); } @@ -165,6 +167,16 @@ nsMathMLElement::ParseAttribute(int32_t aNamespaceID, aAttribute == nsGkAtoms::mathbackground_) { return aResult.ParseColor(aValue); } + if (mNodeInfo->Equals(nsGkAtoms::mtd_)) { + if (aAttribute == nsGkAtoms::columnspan_) { + aResult.ParseClampedNonNegativeInt(aValue, 1, 1, MAX_COLSPAN); + return true; + } + if (aAttribute == nsGkAtoms::rowspan) { + aResult.ParseClampedNonNegativeInt(aValue, 1, 0, MAX_ROWSPAN); + return true; + } + } } return nsMathMLElementBase::ParseAttribute(aNamespaceID, aAttribute, @@ -209,6 +221,8 @@ static Element::MappedAttributeEntry sDirStyles[] = { bool nsMathMLElement::IsAttributeMapped(const nsIAtom* aAttribute) const { + MOZ_ASSERT(IsMathMLElement()); + static const MappedAttributeEntry* const mtableMap[] = { sMtableStyles, sCommonPresStyles @@ -240,10 +254,10 @@ nsMathMLElement::IsAttributeMapped(const nsIAtom* aAttribute) const if (IsAnyOfMathMLElements(nsGkAtoms::mstyle_, nsGkAtoms::math)) return FindAttributeDependence(aAttribute, mstyleMap); - if (IsMathMLElement(nsGkAtoms::mtable_)) + if (mNodeInfo->Equals(nsGkAtoms::mtable_)) return FindAttributeDependence(aAttribute, mtableMap); - if (IsMathMLElement(nsGkAtoms::mrow_)) + if (mNodeInfo->Equals(nsGkAtoms::mrow_)) return FindAttributeDependence(aAttribute, mrowMap); if (IsAnyOfMathMLElements(nsGkAtoms::maction_, |