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Bug 984760 part 2: Use GridTemplateAreasValue though nsRefPtr pointers. r=dholbert

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This commit is contained in:
Simon Sapin
2014-03-21 23:06:16 +08:00
parent 4ca8d6c048
commit 1dd63c0ce5
8 changed files with 85 additions and 80 deletions
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6
layout/style/Declaration.cpp
View File

@@ -1022,7 +1022,7 @@ Declaration::GetValue(nsCSSProperty aProperty, nsAString& aValue,
// which isn't a value that the shorthand can express. Bail. // which isn't a value that the shorthand can express. Bail.
return; return;
} }
const GridTemplateAreasValue& areas = areasValue.GetGridTemplateAreas(); const GridTemplateAreasValue* areas = areasValue.GetGridTemplateAreas();
const nsCSSValueList* rowsItem = rowsValue.GetListValue(); const nsCSSValueList* rowsItem = rowsValue.GetListValue();
uint32_t nRowItems = 0; uint32_t nRowItems = 0;
while (rowsItem) { while (rowsItem) {
@@ -1030,7 +1030,7 @@ Declaration::GetValue(nsCSSProperty aProperty, nsAString& aValue,
rowsItem = rowsItem->mNext; rowsItem = rowsItem->mNext;
} }
MOZ_ASSERT(nRowItems % 2 == 1, "expected an odd number of items"); MOZ_ASSERT(nRowItems % 2 == 1, "expected an odd number of items");
if ((nRowItems - 1) / 2 != areas.NRows()) { if ((nRowItems - 1) / 2 != areas->NRows()) {
// Not serializable, bail. // Not serializable, bail.
return; return;
} }
@@ -1057,7 +1057,7 @@ Declaration::GetValue(nsCSSProperty aProperty, nsAString& aValue,
aValue.AppendLiteral(")"); aValue.AppendLiteral(")");
} else { } else {
nsStyleUtil::AppendEscapedCSSString(areas.mTemplates[row++], aValue); nsStyleUtil::AppendEscapedCSSString(areas->mTemplates[row++], aValue);
aValue.Append(char16_t(' ')); aValue.Append(char16_t(' '));
// <track-size> // <track-size>

33
layout/style/nsCSSParser.cpp
View File

@@ -673,7 +673,7 @@ protected:
// |aAreaIndices| is a lookup table to help us parse faster, // |aAreaIndices| is a lookup table to help us parse faster,
// mapping area names to indices in |aResult.mNamedAreas|. // mapping area names to indices in |aResult.mNamedAreas|.
bool ParseGridTemplateAreasLine(const nsAutoString& aInput, bool ParseGridTemplateAreasLine(const nsAutoString& aInput,
css::GridTemplateAreasValue& aResult, css::GridTemplateAreasValue* aResult,
nsDataHashtable<nsStringHashKey, uint32_t>& aAreaIndices); nsDataHashtable<nsStringHashKey, uint32_t>& aAreaIndices);
bool ParseGridTemplateAreas(); bool ParseGridTemplateAreas();
bool ParseGridTemplate(); bool ParseGridTemplate();
@@ -7156,15 +7156,15 @@ CSSParserImpl::ParseGridTemplateColumnsRows(nsCSSProperty aPropID)
bool bool
CSSParserImpl::ParseGridTemplateAreasLine(const nsAutoString& aInput, CSSParserImpl::ParseGridTemplateAreasLine(const nsAutoString& aInput,
css::GridTemplateAreasValue& aAreas, css::GridTemplateAreasValue* aAreas,
nsDataHashtable<nsStringHashKey, uint32_t>& aAreaIndices) nsDataHashtable<nsStringHashKey, uint32_t>& aAreaIndices)
{ {
aAreas.mTemplates.AppendElement(mToken.mIdent); aAreas->mTemplates.AppendElement(mToken.mIdent);
nsCSSGridTemplateAreaScanner scanner(aInput); nsCSSGridTemplateAreaScanner scanner(aInput);
nsCSSGridTemplateAreaToken token; nsCSSGridTemplateAreaToken token;
css::GridNamedArea* currentArea = nullptr; css::GridNamedArea* currentArea = nullptr;
uint32_t row = aAreas.NRows(); uint32_t row = aAreas->NRows();
uint32_t column; uint32_t column;
for (column = 1; scanner.Next(token); column++) { for (column = 1; scanner.Next(token); column++) {
if (token.isTrash) { if (token.isTrash) {
@@ -7194,9 +7194,9 @@ CSSParserImpl::ParseGridTemplateAreasLine(const nsAutoString& aInput,
// Check if this is the continuation of an existing named area: // Check if this is the continuation of an existing named area:
uint32_t index; uint32_t index;
if (aAreaIndices.Get(token.mName, &index)) { if (aAreaIndices.Get(token.mName, &index)) {
MOZ_ASSERT(index < aAreas.mNamedAreas.Length(), MOZ_ASSERT(index < aAreas->mNamedAreas.Length(),
"Invalid aAreaIndices hash table"); "Invalid aAreaIndices hash table");
currentArea = &aAreas.mNamedAreas[index]; currentArea = &aAreas->mNamedAreas[index];
if (currentArea->mColumnStart != column || if (currentArea->mColumnStart != column ||
currentArea->mRowEnd != row) { currentArea->mRowEnd != row) {
// Existing named area, but not forming a rectangle // Existing named area, but not forming a rectangle
@@ -7206,8 +7206,8 @@ CSSParserImpl::ParseGridTemplateAreasLine(const nsAutoString& aInput,
currentArea->mRowEnd++; currentArea->mRowEnd++;
} else { } else {
// New named area // New named area
aAreaIndices.Put(token.mName, aAreas.mNamedAreas.Length()); aAreaIndices.Put(token.mName, aAreas->mNamedAreas.Length());
currentArea = aAreas.mNamedAreas.AppendElement(); currentArea = aAreas->mNamedAreas.AppendElement();
currentArea->mName = token.mName; currentArea->mName = token.mName;
// For column or row N (starting at 1), // For column or row N (starting at 1),
// the start line is N, the end line is N + 1 // the start line is N, the end line is N + 1
@@ -7230,8 +7230,8 @@ CSSParserImpl::ParseGridTemplateAreasLine(const nsAutoString& aInput,
// On other rows, check that the number of columns is consistent // On other rows, check that the number of columns is consistent
// between rows. // between rows.
if (row == 1) { if (row == 1) {
aAreas.mNColumns = column; aAreas->mNColumns = column;
} else if (aAreas.mNColumns != column) { } else if (aAreas->mNColumns != column) {
return false; return false;
} }
return true; return true;
@@ -7246,7 +7246,8 @@ CSSParserImpl::ParseGridTemplateAreas()
return true; return true;
} }
css::GridTemplateAreasValue& areas = value.SetGridTemplateAreas(); nsRefPtr<css::GridTemplateAreasValue> areas =
new css::GridTemplateAreasValue();
nsDataHashtable<nsStringHashKey, uint32_t> areaIndices; nsDataHashtable<nsStringHashKey, uint32_t> areaIndices;
for (;;) { for (;;) {
if (!GetToken(true)) { if (!GetToken(true)) {
@@ -7261,11 +7262,11 @@ CSSParserImpl::ParseGridTemplateAreas()
} }
} }
if (areas.NRows() == 0) { if (areas->NRows() == 0) {
return false; return false;
} }
AppendValue(eCSSProperty_grid_template_areas, value); AppendValue(eCSSProperty_grid_template_areas, nsCSSValue(areas));
return true; return true;
} }
@@ -7366,9 +7367,9 @@ CSSParserImpl::ParseGridTemplateAfterString(const nsCSSValue& aFirstLineNames)
MOZ_ASSERT(mToken.mType == eCSSToken_String, MOZ_ASSERT(mToken.mType == eCSSToken_String,
"ParseGridTemplateAfterString called with a non-string token"); "ParseGridTemplateAfterString called with a non-string token");
nsCSSValue areasValue;
nsCSSValue rowsValue; nsCSSValue rowsValue;
css::GridTemplateAreasValue& areas = areasValue.SetGridTemplateAreas(); nsRefPtr<css::GridTemplateAreasValue> areas =
new css::GridTemplateAreasValue();
nsDataHashtable<nsStringHashKey, uint32_t> areaIndices; nsDataHashtable<nsStringHashKey, uint32_t> areaIndices;
nsCSSValueList* rowsItem = rowsValue.SetListValue(); nsCSSValueList* rowsItem = rowsValue.SetListValue();
rowsItem->mValue = aFirstLineNames; rowsItem->mValue = aFirstLineNames;
@@ -7410,7 +7411,7 @@ CSSParserImpl::ParseGridTemplateAfterString(const nsCSSValue& aFirstLineNames)
} }
} }
AppendValue(eCSSProperty_grid_template_areas, areasValue); AppendValue(eCSSProperty_grid_template_areas, nsCSSValue(areas));
AppendValue(eCSSProperty_grid_template_rows, rowsValue); AppendValue(eCSSProperty_grid_template_rows, rowsValue);
return true; return true;
} }

34
layout/style/nsCSSValue.cpp
View File

@@ -104,6 +104,13 @@ nsCSSValue::nsCSSValue(nsCSSValueTokenStream* aValue)
mValue.mTokenStream->AddRef(); mValue.mTokenStream->AddRef();
} }
nsCSSValue::nsCSSValue(mozilla::css::GridTemplateAreasValue* aValue)
: mUnit(eCSSUnit_GridTemplateAreas)
{
mValue.mGridTemplateAreas = aValue;
mValue.mGridTemplateAreas->AddRef();
}
nsCSSValue::nsCSSValue(const nsCSSValue& aCopy) nsCSSValue::nsCSSValue(const nsCSSValue& aCopy)
: mUnit(aCopy.mUnit) : mUnit(aCopy.mUnit)
{ {
@@ -460,6 +467,14 @@ void nsCSSValue::SetTokenStreamValue(nsCSSValueTokenStream* aValue)
mValue.mTokenStream->AddRef(); mValue.mTokenStream->AddRef();
} }
void nsCSSValue::SetGridTemplateAreas(mozilla::css::GridTemplateAreasValue* aValue)
{
Reset();
mUnit = eCSSUnit_GridTemplateAreas;
mValue.mGridTemplateAreas = aValue;
mValue.mGridTemplateAreas->AddRef();
}
void nsCSSValue::SetPairValue(const nsCSSValuePair* aValue) void nsCSSValue::SetPairValue(const nsCSSValuePair* aValue)
{ {
// pairs should not be used for null/inherit/initial values // pairs should not be used for null/inherit/initial values
@@ -596,15 +611,6 @@ void nsCSSValue::SetDependentPairListValue(nsCSSValuePairList* aList)
} }
} }
mozilla::css::GridTemplateAreasValue& nsCSSValue::SetGridTemplateAreas()
{
Reset();
mUnit = eCSSUnit_GridTemplateAreas;
mValue.mGridTemplateAreas = new mozilla::css::GridTemplateAreasValue;
mValue.mGridTemplateAreas->AddRef();
return *mValue.mGridTemplateAreas;
}
void nsCSSValue::SetAutoValue() void nsCSSValue::SetAutoValue()
{ {
Reset(); Reset();
@@ -1345,13 +1351,13 @@ nsCSSValue::AppendToString(nsCSSProperty aProperty, nsAString& aResult,
break; break;
} }
} else if (eCSSUnit_GridTemplateAreas == unit) { } else if (eCSSUnit_GridTemplateAreas == unit) {
const mozilla::css::GridTemplateAreasValue& areas = GetGridTemplateAreas(); const mozilla::css::GridTemplateAreasValue* areas = GetGridTemplateAreas();
MOZ_ASSERT(!areas.mTemplates.IsEmpty(), MOZ_ASSERT(!areas->mTemplates.IsEmpty(),
"Unexpected empty array in GridTemplateAreasValue"); "Unexpected empty array in GridTemplateAreasValue");
nsStyleUtil::AppendEscapedCSSString(areas.mTemplates[0], aResult); nsStyleUtil::AppendEscapedCSSString(areas->mTemplates[0], aResult);
for (uint32_t i = 1; i < areas.mTemplates.Length(); i++) { for (uint32_t i = 1; i < areas->mTemplates.Length(); i++) {
aResult.Append(char16_t(' ')); aResult.Append(char16_t(' '));
nsStyleUtil::AppendEscapedCSSString(areas.mTemplates[i], aResult); nsStyleUtil::AppendEscapedCSSString(areas->mTemplates[i], aResult);
} }
} }

52
layout/style/nsCSSValue.h
View File

@@ -144,7 +144,7 @@ struct GridNamedArea {
uint32_t mRowEnd; uint32_t mRowEnd;
}; };
struct GridTemplateAreasValue { struct GridTemplateAreasValue MOZ_FINAL {
// Parsed value // Parsed value
nsTArray<GridNamedArea> mNamedAreas; nsTArray<GridNamedArea> mNamedAreas;
@@ -168,13 +168,6 @@ struct GridTemplateAreasValue {
{ {
} }
void Reset()
{
mNamedAreas.Clear();
mTemplates.Clear();
mNColumns = 0;
}
bool operator==(const GridTemplateAreasValue& aOther) const bool operator==(const GridTemplateAreasValue& aOther) const
{ {
return mTemplates == aOther.mTemplates; return mTemplates == aOther.mTemplates;
@@ -188,6 +181,17 @@ struct GridTemplateAreasValue {
NS_INLINE_DECL_REFCOUNTING(GridTemplateAreasValue) NS_INLINE_DECL_REFCOUNTING(GridTemplateAreasValue)
size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const; size_t SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const;
private:
// Private destructor to make sure this isn't used as a stack variable
// or member variable.
~GridTemplateAreasValue()
{
}
GridTemplateAreasValue(const GridTemplateAreasValue& aOther) MOZ_DELETE;
GridTemplateAreasValue&
operator=(const GridTemplateAreasValue& aOther) MOZ_DELETE;
}; };
} }
@@ -247,6 +251,8 @@ enum nsCSSUnit {
eCSSUnit_Image = 41, // (nsCSSValue::Image*) value eCSSUnit_Image = 41, // (nsCSSValue::Image*) value
eCSSUnit_Gradient = 42, // (nsCSSValueGradient*) value eCSSUnit_Gradient = 42, // (nsCSSValueGradient*) value
eCSSUnit_TokenStream = 43, // (nsCSSValueTokenStream*) value eCSSUnit_TokenStream = 43, // (nsCSSValueTokenStream*) value
eCSSUnit_GridTemplateAreas = 44, // (GridTemplateAreasValue*)
// for grid-template-areas
eCSSUnit_Pair = 50, // (nsCSSValuePair*) pair of values eCSSUnit_Pair = 50, // (nsCSSValuePair*) pair of values
eCSSUnit_Triplet = 51, // (nsCSSValueTriplet*) triplet of values eCSSUnit_Triplet = 51, // (nsCSSValueTriplet*) triplet of values
@@ -260,8 +266,6 @@ enum nsCSSUnit {
eCSSUnit_PairListDep = 57, // (nsCSSValuePairList*) same as PairList eCSSUnit_PairListDep = 57, // (nsCSSValuePairList*) same as PairList
// but does not own the list // but does not own the list
eCSSUnit_GridTemplateAreas = 60, // (GridTemplateAreasValue*) for grid-template-areas
eCSSUnit_Integer = 70, // (int) simple value eCSSUnit_Integer = 70, // (int) simple value
eCSSUnit_Enumerated = 71, // (int) value has enumerated meaning eCSSUnit_Enumerated = 71, // (int) value has enumerated meaning
@@ -359,6 +363,7 @@ public:
explicit nsCSSValue(mozilla::css::ImageValue* aValue); explicit nsCSSValue(mozilla::css::ImageValue* aValue);
explicit nsCSSValue(nsCSSValueGradient* aValue); explicit nsCSSValue(nsCSSValueGradient* aValue);
explicit nsCSSValue(nsCSSValueTokenStream* aValue); explicit nsCSSValue(nsCSSValueTokenStream* aValue);
explicit nsCSSValue(mozilla::css::GridTemplateAreasValue* aValue);
nsCSSValue(const nsCSSValue& aCopy); nsCSSValue(const nsCSSValue& aCopy);
~nsCSSValue() { Reset(); } ~nsCSSValue() { Reset(); }
@@ -553,8 +558,6 @@ public:
inline nsCSSValueTriplet& GetTripletValue(); inline nsCSSValueTriplet& GetTripletValue();
inline const nsCSSValueTriplet& GetTripletValue() const; inline const nsCSSValueTriplet& GetTripletValue() const;
inline mozilla::css::GridTemplateAreasValue& GetGridTemplateAreas();
inline const mozilla::css::GridTemplateAreasValue& GetGridTemplateAreas() const;
mozilla::css::URLValue* GetURLStructValue() const mozilla::css::URLValue* GetURLStructValue() const
{ {
@@ -570,6 +573,13 @@ public:
return mValue.mImage; return mValue.mImage;
} }
mozilla::css::GridTemplateAreasValue* GetGridTemplateAreas() const
{
NS_ABORT_IF_FALSE(mUnit == eCSSUnit_GridTemplateAreas,
"not a grid-template-areas value");
return mValue.mGridTemplateAreas;
}
const char16_t* GetOriginalURLValue() const const char16_t* GetOriginalURLValue() const
{ {
NS_ABORT_IF_FALSE(mUnit == eCSSUnit_URL || mUnit == eCSSUnit_Image, NS_ABORT_IF_FALSE(mUnit == eCSSUnit_URL || mUnit == eCSSUnit_Image,
@@ -611,6 +621,7 @@ public:
void SetImageValue(mozilla::css::ImageValue* aImage); void SetImageValue(mozilla::css::ImageValue* aImage);
void SetGradientValue(nsCSSValueGradient* aGradient); void SetGradientValue(nsCSSValueGradient* aGradient);
void SetTokenStreamValue(nsCSSValueTokenStream* aTokenStream); void SetTokenStreamValue(nsCSSValueTokenStream* aTokenStream);
void SetGridTemplateAreas(mozilla::css::GridTemplateAreasValue* aValue);
void SetPairValue(const nsCSSValuePair* aPair); void SetPairValue(const nsCSSValuePair* aPair);
void SetPairValue(const nsCSSValue& xValue, const nsCSSValue& yValue); void SetPairValue(const nsCSSValue& xValue, const nsCSSValue& yValue);
void SetSharedListValue(nsCSSValueSharedList* aList); void SetSharedListValue(nsCSSValueSharedList* aList);
@@ -634,7 +645,6 @@ public:
nsCSSRect& SetRectValue(); nsCSSRect& SetRectValue();
nsCSSValueList* SetListValue(); nsCSSValueList* SetListValue();
nsCSSValuePairList* SetPairListValue(); nsCSSValuePairList* SetPairListValue();
mozilla::css::GridTemplateAreasValue& SetGridTemplateAreas();
void StartImageLoad(nsIDocument* aDocument) const; // Only pretend const void StartImageLoad(nsIDocument* aDocument) const; // Only pretend const
@@ -1246,22 +1256,6 @@ nsCSSValue::GetPairListValue() const
} }
} }
inline mozilla::css::GridTemplateAreasValue&
nsCSSValue::GetGridTemplateAreas()
{
NS_ABORT_IF_FALSE (mUnit == eCSSUnit_GridTemplateAreas,
"not a grid-template-areas value");
return *mValue.mGridTemplateAreas;
}
inline const mozilla::css::GridTemplateAreasValue&
nsCSSValue::GetGridTemplateAreas() const
{
NS_ABORT_IF_FALSE (mUnit == eCSSUnit_GridTemplateAreas,
"not a grid-template-areas value");
return *mValue.mGridTemplateAreas;
}
struct nsCSSValueGradientStop { struct nsCSSValueGradientStop {
public: public:
nsCSSValueGradientStop(); nsCSSValueGradientStop();

12
layout/style/nsComputedDOMStyle.cpp
View File

@@ -2274,18 +2274,20 @@ nsComputedDOMStyle::DoGetBackgroundSize()
CSSValue* CSSValue*
nsComputedDOMStyle::DoGetGridTemplateAreas() nsComputedDOMStyle::DoGetGridTemplateAreas()
{ {
const nsTArray<nsString>& templates = const css::GridTemplateAreasValue* areas =
StylePosition()->mGridTemplateAreas.mTemplates; StylePosition()->mGridTemplateAreas;
if (templates.IsEmpty()) { if (!areas) {
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue;
val->SetIdent(eCSSKeyword_none); val->SetIdent(eCSSKeyword_none);
return val; return val;
} }
MOZ_ASSERT(!areas->mTemplates.IsEmpty(),
"Unexpected empty array in GridTemplateAreasValue");
nsDOMCSSValueList *valueList = GetROCSSValueList(false); nsDOMCSSValueList *valueList = GetROCSSValueList(false);
for (uint32_t i = 0; i < templates.Length(); i++) { for (uint32_t i = 0; i < areas->mTemplates.Length(); i++) {
nsAutoString str; nsAutoString str;
nsStyleUtil::AppendEscapedCSSString(templates[i], str); nsStyleUtil::AppendEscapedCSSString(areas->mTemplates[i], str);
nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue;
val->SetString(str); val->SetString(str);
valueList->AppendCSSValue(val); valueList->AppendCSSValue(val);

13
layout/style/nsRuleNode.cpp
View File

@@ -7234,8 +7234,8 @@ SetGridTrackList(const nsCSSValue& aValue,
static void static void
SetGridTemplateAreas(const nsCSSValue& aValue, SetGridTemplateAreas(const nsCSSValue& aValue,
css::GridTemplateAreasValue& aResult, nsRefPtr<css::GridTemplateAreasValue>* aResult,
const css::GridTemplateAreasValue& aParentValue, css::GridTemplateAreasValue* aParentValue,
bool& aCanStoreInRuleTree) bool& aCanStoreInRuleTree)
{ {
switch (aValue.GetUnit()) { switch (aValue.GetUnit()) {
@@ -7244,17 +7244,17 @@ SetGridTemplateAreas(const nsCSSValue& aValue,
case eCSSUnit_Inherit: case eCSSUnit_Inherit:
aCanStoreInRuleTree = false; aCanStoreInRuleTree = false;
aResult = aParentValue; *aResult = aParentValue;
break; break;
case eCSSUnit_Initial: case eCSSUnit_Initial:
case eCSSUnit_Unset: case eCSSUnit_Unset:
case eCSSUnit_None: case eCSSUnit_None:
aResult.Reset(); *aResult = nullptr;
break; break;
default: default:
aResult = aValue.GetGridTemplateAreas(); *aResult = aValue.GetGridTemplateAreas();
} }
} }
@@ -7521,7 +7521,8 @@ nsRuleNode::ComputePositionData(void* aStartStruct,
// grid-tempate-areas // grid-tempate-areas
SetGridTemplateAreas(*aRuleData->ValueForGridTemplateAreas(), SetGridTemplateAreas(*aRuleData->ValueForGridTemplateAreas(),
pos->mGridTemplateAreas, parentPos->mGridTemplateAreas, &pos->mGridTemplateAreas,
parentPos->mGridTemplateAreas,
canStoreInRuleTree); canStoreInRuleTree);
// grid-auto-position // grid-auto-position

11
layout/style/nsStyleStruct.cpp
View File

@@ -1254,12 +1254,11 @@ nsStylePosition::nsStylePosition(void)
mZIndex.SetAutoValue(); mZIndex.SetAutoValue();
mGridAutoPositionColumn.SetToInteger(1); mGridAutoPositionColumn.SetToInteger(1);
mGridAutoPositionRow.SetToInteger(1); mGridAutoPositionRow.SetToInteger(1);
// mGridTemplateRows, mGridTemplateColumns, and mGridTemplateAreas // Other members get their default constructors
// get their default constructors // which initialize them to representations of their respective initial value.
// which initialize them to empty arrays, // mGridTemplateAreas: nullptr for 'none'
// which represent the properties' initial value 'none'. // mGridTemplate{Rows,Columns}: empty arrays for 'none'
// mGrid{Column,Row}{Start,End}: false/0/empty values for 'auto'
// mGrid{Column,Row}{Start,End} get their default constructor, 'auto'
} }
nsStylePosition::~nsStylePosition(void) nsStylePosition::~nsStylePosition(void)

4
layout/style/nsStyleStruct.h
View File

@@ -1300,7 +1300,9 @@ struct nsStylePosition {
// in nsStyleStruct.cpp // in nsStyleStruct.cpp
nsStyleGridTrackList mGridTemplateColumns; nsStyleGridTrackList mGridTemplateColumns;
nsStyleGridTrackList mGridTemplateRows; nsStyleGridTrackList mGridTemplateRows;
mozilla::css::GridTemplateAreasValue mGridTemplateAreas;
// nullptr for 'none'
nsRefPtr<mozilla::css::GridTemplateAreasValue> mGridTemplateAreas;
// We represent the "grid-auto-position" property in two parts: // We represent the "grid-auto-position" property in two parts:
nsStyleGridLine mGridAutoPositionColumn; nsStyleGridLine mGridAutoPositionColumn;