/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /* representation of simple property values within CSS declarations */ #include "nsCSSValue.h" #include "mozilla/Likely.h" #include "mozilla/MemoryReporting.h" #include "mozilla/css/ImageLoader.h" #include "CSSCalc.h" #include "gfxFontConstants.h" #include "imgIRequest.h" #include "imgRequestProxy.h" #include "nsIDocument.h" #include "nsIPrincipal.h" #include "nsCSSProps.h" #include "nsCSSStyleSheet.h" #include "nsNetUtil.h" #include "nsPresContext.h" #include "nsStyleUtil.h" #include "nsDeviceContext.h" using namespace mozilla; nsCSSValue::nsCSSValue(int32_t aValue, nsCSSUnit aUnit) : mUnit(aUnit) { NS_ABORT_IF_FALSE(aUnit == eCSSUnit_Integer || aUnit == eCSSUnit_Enumerated || aUnit == eCSSUnit_EnumColor, "not an int value"); if (aUnit == eCSSUnit_Integer || aUnit == eCSSUnit_Enumerated || aUnit == eCSSUnit_EnumColor) { mValue.mInt = aValue; } else { mUnit = eCSSUnit_Null; mValue.mInt = 0; } } nsCSSValue::nsCSSValue(float aValue, nsCSSUnit aUnit) : mUnit(aUnit) { NS_ABORT_IF_FALSE(eCSSUnit_Percent <= aUnit, "not a float value"); if (eCSSUnit_Percent <= aUnit) { mValue.mFloat = aValue; MOZ_ASSERT(!mozilla::IsNaN(mValue.mFloat)); } else { mUnit = eCSSUnit_Null; mValue.mInt = 0; } } nsCSSValue::nsCSSValue(const nsString& aValue, nsCSSUnit aUnit) : mUnit(aUnit) { NS_ABORT_IF_FALSE(UnitHasStringValue(), "not a string value"); if (UnitHasStringValue()) { mValue.mString = BufferFromString(aValue).take(); } else { mUnit = eCSSUnit_Null; mValue.mInt = 0; } } nsCSSValue::nsCSSValue(nsCSSValue::Array* aValue, nsCSSUnit aUnit) : mUnit(aUnit) { NS_ABORT_IF_FALSE(UnitHasArrayValue(), "bad unit"); mValue.mArray = aValue; mValue.mArray->AddRef(); } nsCSSValue::nsCSSValue(mozilla::css::URLValue* aValue) : mUnit(eCSSUnit_URL) { mValue.mURL = aValue; mValue.mURL->AddRef(); } nsCSSValue::nsCSSValue(mozilla::css::ImageValue* aValue) : mUnit(eCSSUnit_Image) { mValue.mImage = aValue; mValue.mImage->AddRef(); } nsCSSValue::nsCSSValue(nsCSSValueGradient* aValue) : mUnit(eCSSUnit_Gradient) { mValue.mGradient = aValue; mValue.mGradient->AddRef(); } nsCSSValue::nsCSSValue(nsCSSValueTokenStream* aValue) : mUnit(eCSSUnit_TokenStream) { mValue.mTokenStream = aValue; mValue.mTokenStream->AddRef(); } nsCSSValue::nsCSSValue(const nsCSSValue& aCopy) : mUnit(aCopy.mUnit) { if (mUnit <= eCSSUnit_DummyInherit) { // nothing to do, but put this important case first } else if (eCSSUnit_Percent <= mUnit) { mValue.mFloat = aCopy.mValue.mFloat; MOZ_ASSERT(!mozilla::IsNaN(mValue.mFloat)); } else if (UnitHasStringValue()) { mValue.mString = aCopy.mValue.mString; mValue.mString->AddRef(); } else if (eCSSUnit_Integer <= mUnit && mUnit <= eCSSUnit_EnumColor) { mValue.mInt = aCopy.mValue.mInt; } else if (IsIntegerColorUnit()) { mValue.mColor = aCopy.mValue.mColor; } else if (IsFloatColorUnit()) { mValue.mFloatColor = aCopy.mValue.mFloatColor; mValue.mFloatColor->AddRef(); } else if (UnitHasArrayValue()) { mValue.mArray = aCopy.mValue.mArray; mValue.mArray->AddRef(); } else if (eCSSUnit_URL == mUnit) { mValue.mURL = aCopy.mValue.mURL; mValue.mURL->AddRef(); } else if (eCSSUnit_Image == mUnit) { mValue.mImage = aCopy.mValue.mImage; mValue.mImage->AddRef(); } else if (eCSSUnit_Gradient == mUnit) { mValue.mGradient = aCopy.mValue.mGradient; mValue.mGradient->AddRef(); } else if (eCSSUnit_TokenStream == mUnit) { mValue.mTokenStream = aCopy.mValue.mTokenStream; mValue.mTokenStream->AddRef(); } else if (eCSSUnit_Pair == mUnit) { mValue.mPair = aCopy.mValue.mPair; mValue.mPair->AddRef(); } else if (eCSSUnit_Triplet == mUnit) { mValue.mTriplet = aCopy.mValue.mTriplet; mValue.mTriplet->AddRef(); } else if (eCSSUnit_Rect == mUnit) { mValue.mRect = aCopy.mValue.mRect; mValue.mRect->AddRef(); } else if (eCSSUnit_List == mUnit) { mValue.mList = aCopy.mValue.mList; mValue.mList->AddRef(); } else if (eCSSUnit_ListDep == mUnit) { mValue.mListDependent = aCopy.mValue.mListDependent; } else if (eCSSUnit_SharedList == mUnit) { mValue.mSharedList = aCopy.mValue.mSharedList; mValue.mSharedList->AddRef(); } else if (eCSSUnit_PairList == mUnit) { mValue.mPairList = aCopy.mValue.mPairList; mValue.mPairList->AddRef(); } else if (eCSSUnit_PairListDep == mUnit) { mValue.mPairListDependent = aCopy.mValue.mPairListDependent; } else if (eCSSUnit_GridTemplateAreas == mUnit) { mValue.mGridTemplateAreas = aCopy.mValue.mGridTemplateAreas; mValue.mGridTemplateAreas->AddRef(); } else { NS_ABORT_IF_FALSE(false, "unknown unit"); } } nsCSSValue& nsCSSValue::operator=(const nsCSSValue& aCopy) { if (this != &aCopy) { Reset(); new (this) nsCSSValue(aCopy); } return *this; } bool nsCSSValue::operator==(const nsCSSValue& aOther) const { NS_ABORT_IF_FALSE(mUnit != eCSSUnit_ListDep && aOther.mUnit != eCSSUnit_ListDep && mUnit != eCSSUnit_PairListDep && aOther.mUnit != eCSSUnit_PairListDep, "don't use operator== with dependent lists"); if (mUnit == aOther.mUnit) { if (mUnit <= eCSSUnit_DummyInherit) { return true; } else if (UnitHasStringValue()) { return (NS_strcmp(GetBufferValue(mValue.mString), GetBufferValue(aOther.mValue.mString)) == 0); } else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_EnumColor)) { return mValue.mInt == aOther.mValue.mInt; } else if (IsIntegerColorUnit()) { return mValue.mColor == aOther.mValue.mColor; } else if (IsFloatColorUnit()) { return *mValue.mFloatColor == *aOther.mValue.mFloatColor; } else if (UnitHasArrayValue()) { return *mValue.mArray == *aOther.mValue.mArray; } else if (eCSSUnit_URL == mUnit) { return *mValue.mURL == *aOther.mValue.mURL; } else if (eCSSUnit_Image == mUnit) { return *mValue.mImage == *aOther.mValue.mImage; } else if (eCSSUnit_Gradient == mUnit) { return *mValue.mGradient == *aOther.mValue.mGradient; } else if (eCSSUnit_TokenStream == mUnit) { return *mValue.mTokenStream == *aOther.mValue.mTokenStream; } else if (eCSSUnit_Pair == mUnit) { return *mValue.mPair == *aOther.mValue.mPair; } else if (eCSSUnit_Triplet == mUnit) { return *mValue.mTriplet == *aOther.mValue.mTriplet; } else if (eCSSUnit_Rect == mUnit) { return *mValue.mRect == *aOther.mValue.mRect; } else if (eCSSUnit_List == mUnit) { return *mValue.mList == *aOther.mValue.mList; } else if (eCSSUnit_SharedList == mUnit) { return *mValue.mSharedList == *aOther.mValue.mSharedList; } else if (eCSSUnit_PairList == mUnit) { return *mValue.mPairList == *aOther.mValue.mPairList; } else if (eCSSUnit_GridTemplateAreas == mUnit) { return *mValue.mGridTemplateAreas == *aOther.mValue.mGridTemplateAreas; } else { return mValue.mFloat == aOther.mValue.mFloat; } } return false; } double nsCSSValue::GetAngleValueInRadians() const { double angle = GetFloatValue(); switch (GetUnit()) { case eCSSUnit_Radian: return angle; case eCSSUnit_Turn: return angle * 2 * M_PI; case eCSSUnit_Degree: return angle * M_PI / 180.0; case eCSSUnit_Grad: return angle * M_PI / 200.0; default: NS_ABORT_IF_FALSE(false, "unrecognized angular unit"); return 0.0; } } imgRequestProxy* nsCSSValue::GetImageValue(nsIDocument* aDocument) const { NS_ABORT_IF_FALSE(mUnit == eCSSUnit_Image, "not an Image value"); return mValue.mImage->mRequests.GetWeak(aDocument); } nscoord nsCSSValue::GetFixedLength(nsPresContext* aPresContext) const { NS_ABORT_IF_FALSE(mUnit == eCSSUnit_PhysicalMillimeter, "not a fixed length unit"); float inches = mValue.mFloat / MM_PER_INCH_FLOAT; return NSToCoordFloorClamped(inches * float(aPresContext->DeviceContext()->AppUnitsPerPhysicalInch())); } nscoord nsCSSValue::GetPixelLength() const { NS_ABORT_IF_FALSE(IsPixelLengthUnit(), "not a fixed length unit"); double scaleFactor; switch (mUnit) { case eCSSUnit_Pixel: return nsPresContext::CSSPixelsToAppUnits(mValue.mFloat); case eCSSUnit_Pica: scaleFactor = 16.0; break; case eCSSUnit_Point: scaleFactor = 4/3.0; break; case eCSSUnit_Inch: scaleFactor = 96.0; break; case eCSSUnit_Millimeter: scaleFactor = 96/25.4; break; case eCSSUnit_Centimeter: scaleFactor = 96/2.54; break; default: NS_ERROR("should never get here"); return 0; } return nsPresContext::CSSPixelsToAppUnits(float(mValue.mFloat*scaleFactor)); } void nsCSSValue::DoReset() { if (UnitHasStringValue()) { mValue.mString->Release(); } else if (IsFloatColorUnit()) { mValue.mFloatColor->Release(); } else if (UnitHasArrayValue()) { mValue.mArray->Release(); } else if (eCSSUnit_URL == mUnit) { mValue.mURL->Release(); } else if (eCSSUnit_Image == mUnit) { mValue.mImage->Release(); } else if (eCSSUnit_Gradient == mUnit) { mValue.mGradient->Release(); } else if (eCSSUnit_TokenStream == mUnit) { mValue.mTokenStream->Release(); } else if (eCSSUnit_Pair == mUnit) { mValue.mPair->Release(); } else if (eCSSUnit_Triplet == mUnit) { mValue.mTriplet->Release(); } else if (eCSSUnit_Rect == mUnit) { mValue.mRect->Release(); } else if (eCSSUnit_List == mUnit) { mValue.mList->Release(); } else if (eCSSUnit_SharedList == mUnit) { mValue.mSharedList->Release(); } else if (eCSSUnit_PairList == mUnit) { mValue.mPairList->Release(); } else if (eCSSUnit_GridTemplateAreas == mUnit) { mValue.mGridTemplateAreas->Release(); } mUnit = eCSSUnit_Null; } void nsCSSValue::SetIntValue(int32_t aValue, nsCSSUnit aUnit) { NS_ABORT_IF_FALSE(aUnit == eCSSUnit_Integer || aUnit == eCSSUnit_Enumerated || aUnit == eCSSUnit_EnumColor, "not an int value"); Reset(); if (aUnit == eCSSUnit_Integer || aUnit == eCSSUnit_Enumerated || aUnit == eCSSUnit_EnumColor) { mUnit = aUnit; mValue.mInt = aValue; } } void nsCSSValue::SetPercentValue(float aValue) { Reset(); mUnit = eCSSUnit_Percent; mValue.mFloat = aValue; MOZ_ASSERT(!mozilla::IsNaN(mValue.mFloat)); } void nsCSSValue::SetFloatValue(float aValue, nsCSSUnit aUnit) { NS_ABORT_IF_FALSE(eCSSUnit_Number <= aUnit, "not a float value"); Reset(); if (eCSSUnit_Number <= aUnit) { mUnit = aUnit; mValue.mFloat = aValue; MOZ_ASSERT(!mozilla::IsNaN(mValue.mFloat)); } } void nsCSSValue::SetStringValue(const nsString& aValue, nsCSSUnit aUnit) { Reset(); mUnit = aUnit; NS_ABORT_IF_FALSE(UnitHasStringValue(), "not a string unit"); if (UnitHasStringValue()) { mValue.mString = BufferFromString(aValue).take(); } else mUnit = eCSSUnit_Null; } void nsCSSValue::SetColorValue(nscolor aValue) { SetIntegerColorValue(aValue, eCSSUnit_RGBAColor); } void nsCSSValue::SetIntegerColorValue(nscolor aValue, nsCSSUnit aUnit) { Reset(); mUnit = aUnit; NS_ABORT_IF_FALSE(IsIntegerColorUnit(), "bad unit"); mValue.mColor = aValue; } void nsCSSValue::SetFloatColorValue(float aComponent1, float aComponent2, float aComponent3, float aAlpha, nsCSSUnit aUnit) { Reset(); mUnit = aUnit; NS_ABORT_IF_FALSE(IsFloatColorUnit(), "bad unit"); mValue.mFloatColor = new nsCSSValueFloatColor(aComponent1, aComponent2, aComponent3, aAlpha); mValue.mFloatColor->AddRef(); } void nsCSSValue::SetArrayValue(nsCSSValue::Array* aValue, nsCSSUnit aUnit) { Reset(); mUnit = aUnit; NS_ABORT_IF_FALSE(UnitHasArrayValue(), "bad unit"); mValue.mArray = aValue; mValue.mArray->AddRef(); } void nsCSSValue::SetURLValue(mozilla::css::URLValue* aValue) { Reset(); mUnit = eCSSUnit_URL; mValue.mURL = aValue; mValue.mURL->AddRef(); } void nsCSSValue::SetImageValue(mozilla::css::ImageValue* aValue) { Reset(); mUnit = eCSSUnit_Image; mValue.mImage = aValue; mValue.mImage->AddRef(); } void nsCSSValue::SetGradientValue(nsCSSValueGradient* aValue) { Reset(); mUnit = eCSSUnit_Gradient; mValue.mGradient = aValue; mValue.mGradient->AddRef(); } void nsCSSValue::SetTokenStreamValue(nsCSSValueTokenStream* aValue) { Reset(); mUnit = eCSSUnit_TokenStream; mValue.mTokenStream = aValue; mValue.mTokenStream->AddRef(); } void nsCSSValue::SetPairValue(const nsCSSValuePair* aValue) { // pairs should not be used for null/inherit/initial values NS_ABORT_IF_FALSE(aValue && aValue->mXValue.GetUnit() != eCSSUnit_Null && aValue->mYValue.GetUnit() != eCSSUnit_Null && aValue->mXValue.GetUnit() != eCSSUnit_Inherit && aValue->mYValue.GetUnit() != eCSSUnit_Inherit && aValue->mXValue.GetUnit() != eCSSUnit_Initial && aValue->mYValue.GetUnit() != eCSSUnit_Initial && aValue->mXValue.GetUnit() != eCSSUnit_Unset && aValue->mYValue.GetUnit() != eCSSUnit_Unset, "missing or inappropriate pair value"); Reset(); mUnit = eCSSUnit_Pair; mValue.mPair = new nsCSSValuePair_heap(aValue->mXValue, aValue->mYValue); mValue.mPair->AddRef(); } void nsCSSValue::SetPairValue(const nsCSSValue& xValue, const nsCSSValue& yValue) { NS_ABORT_IF_FALSE(xValue.GetUnit() != eCSSUnit_Null && yValue.GetUnit() != eCSSUnit_Null && xValue.GetUnit() != eCSSUnit_Inherit && yValue.GetUnit() != eCSSUnit_Inherit && xValue.GetUnit() != eCSSUnit_Initial && yValue.GetUnit() != eCSSUnit_Initial && xValue.GetUnit() != eCSSUnit_Unset && yValue.GetUnit() != eCSSUnit_Unset, "inappropriate pair value"); Reset(); mUnit = eCSSUnit_Pair; mValue.mPair = new nsCSSValuePair_heap(xValue, yValue); mValue.mPair->AddRef(); } void nsCSSValue::SetTripletValue(const nsCSSValueTriplet* aValue) { // triplet should not be used for null/inherit/initial values NS_ABORT_IF_FALSE(aValue && aValue->mXValue.GetUnit() != eCSSUnit_Null && aValue->mYValue.GetUnit() != eCSSUnit_Null && aValue->mZValue.GetUnit() != eCSSUnit_Null && aValue->mXValue.GetUnit() != eCSSUnit_Inherit && aValue->mYValue.GetUnit() != eCSSUnit_Inherit && aValue->mZValue.GetUnit() != eCSSUnit_Inherit && aValue->mXValue.GetUnit() != eCSSUnit_Initial && aValue->mYValue.GetUnit() != eCSSUnit_Initial && aValue->mZValue.GetUnit() != eCSSUnit_Initial && aValue->mXValue.GetUnit() != eCSSUnit_Unset && aValue->mYValue.GetUnit() != eCSSUnit_Unset && aValue->mZValue.GetUnit() != eCSSUnit_Unset, "missing or inappropriate triplet value"); Reset(); mUnit = eCSSUnit_Triplet; mValue.mTriplet = new nsCSSValueTriplet_heap(aValue->mXValue, aValue->mYValue, aValue->mZValue); mValue.mTriplet->AddRef(); } void nsCSSValue::SetTripletValue(const nsCSSValue& xValue, const nsCSSValue& yValue, const nsCSSValue& zValue) { // Only allow Null for the z component NS_ABORT_IF_FALSE(xValue.GetUnit() != eCSSUnit_Null && yValue.GetUnit() != eCSSUnit_Null && xValue.GetUnit() != eCSSUnit_Inherit && yValue.GetUnit() != eCSSUnit_Inherit && zValue.GetUnit() != eCSSUnit_Inherit && xValue.GetUnit() != eCSSUnit_Initial && yValue.GetUnit() != eCSSUnit_Initial && zValue.GetUnit() != eCSSUnit_Initial && xValue.GetUnit() != eCSSUnit_Unset && yValue.GetUnit() != eCSSUnit_Unset && zValue.GetUnit() != eCSSUnit_Unset, "inappropriate triplet value"); Reset(); mUnit = eCSSUnit_Triplet; mValue.mTriplet = new nsCSSValueTriplet_heap(xValue, yValue, zValue); mValue.mTriplet->AddRef(); } nsCSSRect& nsCSSValue::SetRectValue() { Reset(); mUnit = eCSSUnit_Rect; mValue.mRect = new nsCSSRect_heap; mValue.mRect->AddRef(); return *mValue.mRect; } nsCSSValueList* nsCSSValue::SetListValue() { Reset(); mUnit = eCSSUnit_List; mValue.mList = new nsCSSValueList_heap; mValue.mList->AddRef(); return mValue.mList; } void nsCSSValue::SetSharedListValue(nsCSSValueSharedList* aList) { Reset(); mUnit = eCSSUnit_SharedList; mValue.mSharedList = aList; mValue.mSharedList->AddRef(); } void nsCSSValue::SetDependentListValue(nsCSSValueList* aList) { Reset(); if (aList) { mUnit = eCSSUnit_ListDep; mValue.mListDependent = aList; } } nsCSSValuePairList* nsCSSValue::SetPairListValue() { Reset(); mUnit = eCSSUnit_PairList; mValue.mPairList = new nsCSSValuePairList_heap; mValue.mPairList->AddRef(); return mValue.mPairList; } void nsCSSValue::SetDependentPairListValue(nsCSSValuePairList* aList) { Reset(); if (aList) { mUnit = eCSSUnit_PairListDep; mValue.mPairListDependent = aList; } } nsCSSValueGridTemplateAreas& nsCSSValue::SetGridTemplateAreas() { Reset(); mUnit = eCSSUnit_GridTemplateAreas; mValue.mGridTemplateAreas = new nsCSSValueGridTemplateAreas; mValue.mGridTemplateAreas->AddRef(); return *mValue.mGridTemplateAreas; } void nsCSSValue::SetAutoValue() { Reset(); mUnit = eCSSUnit_Auto; } void nsCSSValue::SetInheritValue() { Reset(); mUnit = eCSSUnit_Inherit; } void nsCSSValue::SetInitialValue() { Reset(); mUnit = eCSSUnit_Initial; } void nsCSSValue::SetUnsetValue() { Reset(); mUnit = eCSSUnit_Unset; } void nsCSSValue::SetNoneValue() { Reset(); mUnit = eCSSUnit_None; } void nsCSSValue::SetAllValue() { Reset(); mUnit = eCSSUnit_All; } void nsCSSValue::SetNormalValue() { Reset(); mUnit = eCSSUnit_Normal; } void nsCSSValue::SetSystemFontValue() { Reset(); mUnit = eCSSUnit_System_Font; } void nsCSSValue::SetDummyValue() { Reset(); mUnit = eCSSUnit_Dummy; } void nsCSSValue::SetDummyInheritValue() { Reset(); mUnit = eCSSUnit_DummyInherit; } void nsCSSValue::StartImageLoad(nsIDocument* aDocument) const { NS_ABORT_IF_FALSE(eCSSUnit_URL == mUnit, "Not a URL value!"); mozilla::css::ImageValue* image = new mozilla::css::ImageValue(mValue.mURL->GetURI(), mValue.mURL->mString, mValue.mURL->mReferrer, mValue.mURL->mOriginPrincipal, aDocument); if (image) { nsCSSValue* writable = const_cast(this); writable->SetImageValue(image); } } nscolor nsCSSValue::GetColorValue() const { NS_ABORT_IF_FALSE(IsNumericColorUnit(), "not a color value"); if (IsFloatColorUnit()) { return mValue.mFloatColor->GetColorValue(mUnit); } return mValue.mColor; } bool nsCSSValue::IsNonTransparentColor() const { // We have the value in the form it was specified in at this point, so we // have to look for both the keyword 'transparent' and its equivalent in // rgba notation. nsDependentString buf; return (IsIntegerColorUnit() && NS_GET_A(GetColorValue()) > 0) || (IsFloatColorUnit() && mValue.mFloatColor->IsNonTransparentColor()) || (mUnit == eCSSUnit_Ident && !nsGkAtoms::transparent->Equals(GetStringValue(buf))) || (mUnit == eCSSUnit_EnumColor); } nsCSSValue::Array* nsCSSValue::InitFunction(nsCSSKeyword aFunctionId, uint32_t aNumArgs) { nsRefPtr func = Array::Create(aNumArgs + 1); func->Item(0).SetIntValue(aFunctionId, eCSSUnit_Enumerated); SetArrayValue(func, eCSSUnit_Function); return func; } bool nsCSSValue::EqualsFunction(nsCSSKeyword aFunctionId) const { if (mUnit != eCSSUnit_Function) { return false; } nsCSSValue::Array* func = mValue.mArray; NS_ABORT_IF_FALSE(func && func->Count() >= 1 && func->Item(0).GetUnit() == eCSSUnit_Enumerated, "illegally structured function value"); nsCSSKeyword thisFunctionId = func->Item(0).GetKeywordValue(); return thisFunctionId == aFunctionId; } // static already_AddRefed nsCSSValue::BufferFromString(const nsString& aValue) { nsRefPtr buffer = nsStringBuffer::FromString(aValue); if (buffer) { return buffer.forget(); } nsString::size_type length = aValue.Length(); // NOTE: Alloc prouduces a new, already-addref'd (refcnt = 1) buffer. // NOTE: String buffer allocation is currently fallible. buffer = nsStringBuffer::Alloc((length + 1) * sizeof(char16_t)); if (MOZ_UNLIKELY(!buffer)) { NS_RUNTIMEABORT("out of memory"); } char16_t* data = static_cast(buffer->Data()); nsCharTraits::copy(data, aValue.get(), length); // Null-terminate. data[length] = 0; return buffer.forget(); } namespace { struct CSSValueSerializeCalcOps { CSSValueSerializeCalcOps(nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aSerialization) : mProperty(aProperty), mResult(aResult), mValueSerialization(aSerialization) { } typedef nsCSSValue input_type; typedef nsCSSValue::Array input_array_type; static nsCSSUnit GetUnit(const input_type& aValue) { return aValue.GetUnit(); } void Append(const char* aString) { mResult.AppendASCII(aString); } void AppendLeafValue(const input_type& aValue) { NS_ABORT_IF_FALSE(aValue.GetUnit() == eCSSUnit_Percent || aValue.IsLengthUnit(), "unexpected unit"); aValue.AppendToString(mProperty, mResult, mValueSerialization); } void AppendNumber(const input_type& aValue) { NS_ABORT_IF_FALSE(aValue.GetUnit() == eCSSUnit_Number, "unexpected unit"); aValue.AppendToString(mProperty, mResult, mValueSerialization); } private: nsCSSProperty mProperty; nsAString &mResult; nsCSSValue::Serialization mValueSerialization; }; } // anonymous namespace void nsCSSValue::AppendToString(nsCSSProperty aProperty, nsAString& aResult, Serialization aSerialization) const { // eCSSProperty_UNKNOWN gets used for some recursive calls below. NS_ABORT_IF_FALSE((0 <= aProperty && aProperty <= eCSSProperty_COUNT_no_shorthands) || aProperty == eCSSProperty_UNKNOWN, "property ID out of range"); nsCSSUnit unit = GetUnit(); if (unit == eCSSUnit_Null) { return; } if (eCSSUnit_String <= unit && unit <= eCSSUnit_Attr) { if (unit == eCSSUnit_Attr) { aResult.AppendLiteral("attr("); } nsAutoString buffer; GetStringValue(buffer); if (unit == eCSSUnit_String) { nsStyleUtil::AppendEscapedCSSString(buffer, aResult); } else if (unit == eCSSUnit_Families) { // XXX We really need to do *some* escaping. aResult.Append(buffer); } else { nsStyleUtil::AppendEscapedCSSIdent(buffer, aResult); } } else if (eCSSUnit_Array <= unit && unit <= eCSSUnit_Steps) { switch (unit) { case eCSSUnit_Counter: aResult.AppendLiteral("counter("); break; case eCSSUnit_Counters: aResult.AppendLiteral("counters("); break; case eCSSUnit_Cubic_Bezier: aResult.AppendLiteral("cubic-bezier("); break; case eCSSUnit_Steps: aResult.AppendLiteral("steps("); break; default: break; } nsCSSValue::Array *array = GetArrayValue(); bool mark = false; for (size_t i = 0, i_end = array->Count(); i < i_end; ++i) { if (mark && array->Item(i).GetUnit() != eCSSUnit_Null) { if (unit == eCSSUnit_Array && eCSSProperty_transition_timing_function != aProperty) aResult.AppendLiteral(" "); else aResult.AppendLiteral(", "); } if (unit == eCSSUnit_Steps && i == 1) { NS_ABORT_IF_FALSE(array->Item(i).GetUnit() == eCSSUnit_Enumerated && (array->Item(i).GetIntValue() == NS_STYLE_TRANSITION_TIMING_FUNCTION_STEP_START || array->Item(i).GetIntValue() == NS_STYLE_TRANSITION_TIMING_FUNCTION_STEP_END), "unexpected value"); if (array->Item(i).GetIntValue() == NS_STYLE_TRANSITION_TIMING_FUNCTION_STEP_START) { aResult.AppendLiteral("start"); } else { aResult.AppendLiteral("end"); } continue; } nsCSSProperty prop = ((eCSSUnit_Counter <= unit && unit <= eCSSUnit_Counters) && i == array->Count() - 1) ? eCSSProperty_list_style_type : aProperty; if (array->Item(i).GetUnit() != eCSSUnit_Null) { array->Item(i).AppendToString(prop, aResult, aSerialization); mark = true; } } if (eCSSUnit_Array == unit && aProperty == eCSSProperty_transition_timing_function) { aResult.AppendLiteral(")"); } } /* Although Function is backed by an Array, we'll handle it separately * because it's a bit quirky. */ else if (eCSSUnit_Function == unit) { const nsCSSValue::Array* array = GetArrayValue(); NS_ABORT_IF_FALSE(array->Count() >= 1, "Functions must have at least one element for the name."); /* Append the function name. */ const nsCSSValue& functionName = array->Item(0); if (functionName.GetUnit() == eCSSUnit_Enumerated) { // We assume that the first argument is always of nsCSSKeyword type. const nsCSSKeyword functionId = functionName.GetKeywordValue(); NS_ConvertASCIItoUTF16 ident(nsCSSKeywords::GetStringValue(functionId)); // Bug 721136: Normalize the identifier to lowercase, except that things // like scaleX should have the last character capitalized. This matches // what other browsers do. switch (functionId) { case eCSSKeyword_rotatex: case eCSSKeyword_scalex: case eCSSKeyword_skewx: case eCSSKeyword_translatex: ident.Replace(ident.Length() - 1, 1, char16_t('X')); break; case eCSSKeyword_rotatey: case eCSSKeyword_scaley: case eCSSKeyword_skewy: case eCSSKeyword_translatey: ident.Replace(ident.Length() - 1, 1, char16_t('Y')); break; case eCSSKeyword_rotatez: case eCSSKeyword_scalez: case eCSSKeyword_translatez: ident.Replace(ident.Length() - 1, 1, char16_t('Z')); break; default: break; } nsStyleUtil::AppendEscapedCSSIdent(ident, aResult); } else { MOZ_ASSERT(false, "should no longer have non-enumerated functions"); } aResult.AppendLiteral("("); /* Now, step through the function contents, writing each of them as we go. */ for (size_t index = 1; index < array->Count(); ++index) { array->Item(index).AppendToString(aProperty, aResult, aSerialization); /* If we're not at the final element, append a comma. */ if (index + 1 != array->Count()) aResult.AppendLiteral(", "); } /* Finally, append the closing parenthesis. */ aResult.AppendLiteral(")"); } else if (IsCalcUnit()) { NS_ABORT_IF_FALSE(GetUnit() == eCSSUnit_Calc, "unexpected unit"); CSSValueSerializeCalcOps ops(aProperty, aResult, aSerialization); css::SerializeCalc(*this, ops); } else if (eCSSUnit_Integer == unit) { aResult.AppendInt(GetIntValue(), 10); } else if (eCSSUnit_Enumerated == unit) { int32_t intValue = GetIntValue(); switch(aProperty) { case eCSSProperty_text_combine_horizontal: if (intValue <= NS_STYLE_TEXT_COMBINE_HORIZ_ALL) { AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, intValue), aResult); } else if (intValue == NS_STYLE_TEXT_COMBINE_HORIZ_DIGITS_2) { aResult.AppendLiteral("digits 2"); } else if (intValue == NS_STYLE_TEXT_COMBINE_HORIZ_DIGITS_3) { aResult.AppendLiteral("digits 3"); } else { aResult.AppendLiteral("digits 4"); } break; case eCSSProperty_text_decoration_line: if (NS_STYLE_TEXT_DECORATION_LINE_NONE == intValue) { AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, intValue), aResult); } else { // Ignore the "override all" internal value. // (It doesn't have a string representation.) intValue &= ~NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL; nsStyleUtil::AppendBitmaskCSSValue( aProperty, intValue, NS_STYLE_TEXT_DECORATION_LINE_UNDERLINE, NS_STYLE_TEXT_DECORATION_LINE_PREF_ANCHORS, aResult); } break; case eCSSProperty_marks: if (intValue == NS_STYLE_PAGE_MARKS_NONE) { AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, intValue), aResult); } else { nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue, NS_STYLE_PAGE_MARKS_CROP, NS_STYLE_PAGE_MARKS_REGISTER, aResult); } break; case eCSSProperty_paint_order: static_assert (NS_STYLE_PAINT_ORDER_BITWIDTH * NS_STYLE_PAINT_ORDER_LAST_VALUE <= 8, "SVGStyleStruct::mPaintOrder and the following cast not big enough"); nsStyleUtil::AppendPaintOrderValue(static_cast(GetIntValue()), aResult); break; case eCSSProperty_font_synthesis: nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue, NS_FONT_SYNTHESIS_WEIGHT, NS_FONT_SYNTHESIS_STYLE, aResult); break; case eCSSProperty_font_variant_east_asian: nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue, NS_FONT_VARIANT_EAST_ASIAN_JIS78, NS_FONT_VARIANT_EAST_ASIAN_RUBY, aResult); break; case eCSSProperty_font_variant_ligatures: nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue, NS_FONT_VARIANT_LIGATURES_NONE, NS_FONT_VARIANT_LIGATURES_NO_CONTEXTUAL, aResult); break; case eCSSProperty_font_variant_numeric: nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue, NS_FONT_VARIANT_NUMERIC_LINING, NS_FONT_VARIANT_NUMERIC_ORDINAL, aResult); break; case eCSSProperty_grid_auto_flow: nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue, NS_STYLE_GRID_AUTO_FLOW_NONE, NS_STYLE_GRID_AUTO_FLOW_DENSE, aResult); break; case eCSSProperty_grid_auto_position: case eCSSProperty_grid_column_start: case eCSSProperty_grid_column_end: case eCSSProperty_grid_row_start: case eCSSProperty_grid_row_end: // "span" is the only enumerated-unit value for these properties aResult.AppendLiteral("span"); break; case eCSSProperty_touch_action: nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue, NS_STYLE_TOUCH_ACTION_PAN_X, NS_STYLE_TOUCH_ACTION_PAN_Y, aResult); break; default: const nsAFlatCString& name = nsCSSProps::LookupPropertyValue(aProperty, intValue); AppendASCIItoUTF16(name, aResult); break; } } else if (eCSSUnit_EnumColor == unit) { // we can lookup the property in the ColorTable and then // get a string mapping the name nsAutoCString str; if (nsCSSProps::GetColorName(GetIntValue(), str)){ AppendASCIItoUTF16(str, aResult); } else { NS_ABORT_IF_FALSE(false, "bad color value"); } } else if (IsNumericColorUnit(unit)) { if (aSerialization == eNormalized || unit == eCSSUnit_RGBColor || unit == eCSSUnit_RGBAColor) { nscolor color = GetColorValue(); if (aSerialization == eNormalized && color == NS_RGBA(0, 0, 0, 0)) { // Use the strictest match for 'transparent' so we do correct // round-tripping of all other rgba() values. aResult.AppendLiteral("transparent"); } else { uint8_t a = NS_GET_A(color); bool showAlpha = (aSerialization == eNormalized && a < 255) || (aSerialization == eAuthorSpecified && unit == eCSSUnit_RGBAColor); if (showAlpha) { aResult.AppendLiteral("rgba("); } else { aResult.AppendLiteral("rgb("); } NS_NAMED_LITERAL_STRING(comma, ", "); aResult.AppendInt(NS_GET_R(color), 10); aResult.Append(comma); aResult.AppendInt(NS_GET_G(color), 10); aResult.Append(comma); aResult.AppendInt(NS_GET_B(color), 10); if (showAlpha) { aResult.Append(comma); aResult.AppendFloat(nsStyleUtil::ColorComponentToFloat(a)); } aResult.Append(char16_t(')')); } } else if (eCSSUnit_HexColor == unit) { nscolor color = GetColorValue(); aResult.Append('#'); aResult.AppendPrintf("%02x", NS_GET_R(color)); aResult.AppendPrintf("%02x", NS_GET_G(color)); aResult.AppendPrintf("%02x", NS_GET_B(color)); } else if (eCSSUnit_ShortHexColor == unit) { nscolor color = GetColorValue(); aResult.Append('#'); aResult.AppendInt(NS_GET_R(color) / 0x11, 16); aResult.AppendInt(NS_GET_G(color) / 0x11, 16); aResult.AppendInt(NS_GET_B(color) / 0x11, 16); } else { MOZ_ASSERT(IsFloatColorUnit()); mValue.mFloatColor->AppendToString(unit, aResult); } } else if (eCSSUnit_URL == unit || eCSSUnit_Image == unit) { aResult.Append(NS_LITERAL_STRING("url(")); nsStyleUtil::AppendEscapedCSSString( nsDependentString(GetOriginalURLValue()), aResult); aResult.Append(NS_LITERAL_STRING(")")); } else if (eCSSUnit_Element == unit) { aResult.Append(NS_LITERAL_STRING("-moz-element(#")); nsAutoString tmpStr; GetStringValue(tmpStr); nsStyleUtil::AppendEscapedCSSIdent(tmpStr, aResult); aResult.Append(NS_LITERAL_STRING(")")); } else if (eCSSUnit_Percent == unit) { aResult.AppendFloat(GetPercentValue() * 100.0f); } else if (eCSSUnit_Percent < unit) { // length unit aResult.AppendFloat(GetFloatValue()); } else if (eCSSUnit_Gradient == unit) { nsCSSValueGradient* gradient = GetGradientValue(); if (gradient->mIsLegacySyntax) { aResult.AppendLiteral("-moz-"); } if (gradient->mIsRepeating) { aResult.AppendLiteral("repeating-"); } if (gradient->mIsRadial) { aResult.AppendLiteral("radial-gradient("); } else { aResult.AppendLiteral("linear-gradient("); } bool needSep = false; if (gradient->mIsRadial && !gradient->mIsLegacySyntax) { if (!gradient->mIsExplicitSize) { if (gradient->GetRadialShape().GetUnit() != eCSSUnit_None) { NS_ABORT_IF_FALSE(gradient->GetRadialShape().GetUnit() == eCSSUnit_Enumerated, "bad unit for radial gradient shape"); int32_t intValue = gradient->GetRadialShape().GetIntValue(); NS_ABORT_IF_FALSE(intValue != NS_STYLE_GRADIENT_SHAPE_LINEAR, "radial gradient with linear shape?!"); AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(intValue, nsCSSProps::kRadialGradientShapeKTable), aResult); needSep = true; } if (gradient->GetRadialSize().GetUnit() != eCSSUnit_None) { if (needSep) { aResult.AppendLiteral(" "); } NS_ABORT_IF_FALSE(gradient->GetRadialSize().GetUnit() == eCSSUnit_Enumerated, "bad unit for radial gradient size"); int32_t intValue = gradient->GetRadialSize().GetIntValue(); AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(intValue, nsCSSProps::kRadialGradientSizeKTable), aResult); needSep = true; } } else { NS_ABORT_IF_FALSE(gradient->GetRadiusX().GetUnit() != eCSSUnit_None, "bad unit for radial gradient explicit size"); gradient->GetRadiusX().AppendToString(aProperty, aResult, aSerialization); if (gradient->GetRadiusY().GetUnit() != eCSSUnit_None) { aResult.AppendLiteral(" "); gradient->GetRadiusY().AppendToString(aProperty, aResult, aSerialization); } needSep = true; } } if (!gradient->mIsRadial && !gradient->mIsLegacySyntax) { if (gradient->mBgPos.mXValue.GetUnit() != eCSSUnit_None || gradient->mBgPos.mYValue.GetUnit() != eCSSUnit_None) { MOZ_ASSERT(gradient->mAngle.GetUnit() == eCSSUnit_None); NS_ABORT_IF_FALSE(gradient->mBgPos.mXValue.GetUnit() == eCSSUnit_Enumerated && gradient->mBgPos.mYValue.GetUnit() == eCSSUnit_Enumerated, "unexpected unit"); aResult.AppendLiteral("to"); if (!(gradient->mBgPos.mXValue.GetIntValue() & NS_STYLE_BG_POSITION_CENTER)) { aResult.AppendLiteral(" "); gradient->mBgPos.mXValue.AppendToString(eCSSProperty_background_position, aResult, aSerialization); } if (!(gradient->mBgPos.mYValue.GetIntValue() & NS_STYLE_BG_POSITION_CENTER)) { aResult.AppendLiteral(" "); gradient->mBgPos.mYValue.AppendToString(eCSSProperty_background_position, aResult, aSerialization); } needSep = true; } else if (gradient->mAngle.GetUnit() != eCSSUnit_None) { gradient->mAngle.AppendToString(aProperty, aResult, aSerialization); needSep = true; } } else if (gradient->mBgPos.mXValue.GetUnit() != eCSSUnit_None || gradient->mBgPos.mYValue.GetUnit() != eCSSUnit_None || gradient->mAngle.GetUnit() != eCSSUnit_None) { if (needSep) { aResult.AppendLiteral(" "); } if (gradient->mIsRadial && !gradient->mIsLegacySyntax) { aResult.AppendLiteral("at "); } if (gradient->mBgPos.mXValue.GetUnit() != eCSSUnit_None) { gradient->mBgPos.mXValue.AppendToString(eCSSProperty_background_position, aResult, aSerialization); aResult.AppendLiteral(" "); } if (gradient->mBgPos.mXValue.GetUnit() != eCSSUnit_None) { gradient->mBgPos.mYValue.AppendToString(eCSSProperty_background_position, aResult, aSerialization); aResult.AppendLiteral(" "); } if (gradient->mAngle.GetUnit() != eCSSUnit_None) { NS_ABORT_IF_FALSE(gradient->mIsLegacySyntax, "angle is allowed only for legacy syntax"); gradient->mAngle.AppendToString(aProperty, aResult, aSerialization); } needSep = true; } if (gradient->mIsRadial && gradient->mIsLegacySyntax && (gradient->GetRadialShape().GetUnit() != eCSSUnit_None || gradient->GetRadialSize().GetUnit() != eCSSUnit_None)) { MOZ_ASSERT(!gradient->mIsExplicitSize); if (needSep) { aResult.AppendLiteral(", "); } if (gradient->GetRadialShape().GetUnit() != eCSSUnit_None) { NS_ABORT_IF_FALSE(gradient->GetRadialShape().GetUnit() == eCSSUnit_Enumerated, "bad unit for radial gradient shape"); int32_t intValue = gradient->GetRadialShape().GetIntValue(); NS_ABORT_IF_FALSE(intValue != NS_STYLE_GRADIENT_SHAPE_LINEAR, "radial gradient with linear shape?!"); AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(intValue, nsCSSProps::kRadialGradientShapeKTable), aResult); aResult.AppendLiteral(" "); } if (gradient->GetRadialSize().GetUnit() != eCSSUnit_None) { NS_ABORT_IF_FALSE(gradient->GetRadialSize().GetUnit() == eCSSUnit_Enumerated, "bad unit for radial gradient size"); int32_t intValue = gradient->GetRadialSize().GetIntValue(); AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(intValue, nsCSSProps::kRadialGradientSizeKTable), aResult); } needSep = true; } if (needSep) { aResult.AppendLiteral(", "); } for (uint32_t i = 0 ;;) { gradient->mStops[i].mColor.AppendToString(aProperty, aResult, aSerialization); if (gradient->mStops[i].mLocation.GetUnit() != eCSSUnit_None) { aResult.AppendLiteral(" "); gradient->mStops[i].mLocation.AppendToString(aProperty, aResult, aSerialization); } if (++i == gradient->mStops.Length()) { break; } aResult.AppendLiteral(", "); } aResult.AppendLiteral(")"); } else if (eCSSUnit_TokenStream == unit) { nsCSSProperty shorthand = mValue.mTokenStream->mShorthandPropertyID; if (shorthand == eCSSProperty_UNKNOWN || nsCSSProps::PropHasFlags(shorthand, CSS_PROPERTY_IS_ALIAS) || aProperty == eCSSProperty__x_system_font) { // We treat serialization of aliases like '-moz-transform' as a special // case, since it really wants to be serialized as if it were a longhand // even though it is implemented as a shorthand. aResult.Append(mValue.mTokenStream->mTokenStream); } } else if (eCSSUnit_Pair == unit) { if (eCSSProperty_font_variant_alternates == aProperty) { int32_t intValue = GetPairValue().mXValue.GetIntValue(); nsAutoString out; // simple, enumerated values nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue & NS_FONT_VARIANT_ALTERNATES_ENUMERATED_MASK, NS_FONT_VARIANT_ALTERNATES_HISTORICAL, NS_FONT_VARIANT_ALTERNATES_HISTORICAL, out); // functional values const nsCSSValueList *list = GetPairValue().mYValue.GetListValue(); nsAutoTArray altValues; nsStyleUtil::ComputeFunctionalAlternates(list, altValues); nsStyleUtil::SerializeFunctionalAlternates(altValues, out); aResult.Append(out); } else if (eCSSProperty_grid_auto_position == aProperty) { GetPairValue().mXValue.AppendToString(aProperty, aResult, aSerialization); aResult.AppendLiteral(" / "); GetPairValue().mYValue.AppendToString(aProperty, aResult, aSerialization); } else { GetPairValue().AppendToString(aProperty, aResult, aSerialization); } } else if (eCSSUnit_Triplet == unit) { GetTripletValue().AppendToString(aProperty, aResult, aSerialization); } else if (eCSSUnit_Rect == unit) { GetRectValue().AppendToString(aProperty, aResult, aSerialization); } else if (eCSSUnit_List == unit || eCSSUnit_ListDep == unit) { GetListValue()->AppendToString(aProperty, aResult, aSerialization); } else if (eCSSUnit_SharedList == unit) { GetSharedListValue()->AppendToString(aProperty, aResult, aSerialization); } else if (eCSSUnit_PairList == unit || eCSSUnit_PairListDep == unit) { switch (aProperty) { case eCSSProperty_font_feature_settings: nsStyleUtil::AppendFontFeatureSettings(*this, aResult); break; default: GetPairListValue()->AppendToString(aProperty, aResult, aSerialization); break; } } else if (eCSSUnit_GridTemplateAreas == unit) { GetGridTemplateAreas().AppendToString(aProperty, aResult, aSerialization); } switch (unit) { case eCSSUnit_Null: break; case eCSSUnit_Auto: aResult.AppendLiteral("auto"); break; case eCSSUnit_Inherit: aResult.AppendLiteral("inherit"); break; case eCSSUnit_Initial: aResult.AppendLiteral("initial"); break; case eCSSUnit_Unset: aResult.AppendLiteral("unset"); break; case eCSSUnit_None: aResult.AppendLiteral("none"); break; case eCSSUnit_Normal: aResult.AppendLiteral("normal"); break; case eCSSUnit_System_Font: aResult.AppendLiteral("-moz-use-system-font"); break; case eCSSUnit_All: aResult.AppendLiteral("all"); break; case eCSSUnit_Dummy: case eCSSUnit_DummyInherit: NS_ABORT_IF_FALSE(false, "should never serialize"); break; case eCSSUnit_String: break; case eCSSUnit_Ident: break; case eCSSUnit_Families: break; case eCSSUnit_URL: break; case eCSSUnit_Image: break; case eCSSUnit_Element: break; case eCSSUnit_Array: break; case eCSSUnit_Attr: case eCSSUnit_Cubic_Bezier: case eCSSUnit_Steps: case eCSSUnit_Counter: case eCSSUnit_Counters: aResult.Append(char16_t(')')); break; case eCSSUnit_Local_Font: break; case eCSSUnit_Font_Format: break; case eCSSUnit_Function: break; case eCSSUnit_Calc: break; case eCSSUnit_Calc_Plus: break; case eCSSUnit_Calc_Minus: break; case eCSSUnit_Calc_Times_L: break; case eCSSUnit_Calc_Times_R: break; case eCSSUnit_Calc_Divided: break; case eCSSUnit_Integer: break; case eCSSUnit_Enumerated: break; case eCSSUnit_EnumColor: break; case eCSSUnit_RGBColor: break; case eCSSUnit_RGBAColor: break; case eCSSUnit_HexColor: break; case eCSSUnit_ShortHexColor: break; case eCSSUnit_PercentageRGBColor: break; case eCSSUnit_PercentageRGBAColor: break; case eCSSUnit_HSLColor: break; case eCSSUnit_HSLAColor: break; case eCSSUnit_Percent: aResult.Append(char16_t('%')); break; case eCSSUnit_Number: break; case eCSSUnit_Gradient: break; case eCSSUnit_TokenStream: break; case eCSSUnit_Pair: break; case eCSSUnit_Triplet: break; case eCSSUnit_Rect: break; case eCSSUnit_List: break; case eCSSUnit_ListDep: break; case eCSSUnit_SharedList: break; case eCSSUnit_PairList: break; case eCSSUnit_PairListDep: break; case eCSSUnit_GridTemplateAreas: break; case eCSSUnit_Inch: aResult.AppendLiteral("in"); break; case eCSSUnit_Millimeter: aResult.AppendLiteral("mm"); break; case eCSSUnit_PhysicalMillimeter: aResult.AppendLiteral("mozmm"); break; case eCSSUnit_Centimeter: aResult.AppendLiteral("cm"); break; case eCSSUnit_Point: aResult.AppendLiteral("pt"); break; case eCSSUnit_Pica: aResult.AppendLiteral("pc"); break; case eCSSUnit_ViewportWidth: aResult.AppendLiteral("vw"); break; case eCSSUnit_ViewportHeight: aResult.AppendLiteral("vh"); break; case eCSSUnit_ViewportMin: aResult.AppendLiteral("vmin"); break; case eCSSUnit_ViewportMax: aResult.AppendLiteral("vmax"); break; case eCSSUnit_EM: aResult.AppendLiteral("em"); break; case eCSSUnit_XHeight: aResult.AppendLiteral("ex"); break; case eCSSUnit_Char: aResult.AppendLiteral("ch"); break; case eCSSUnit_RootEM: aResult.AppendLiteral("rem"); break; case eCSSUnit_Pixel: aResult.AppendLiteral("px"); break; case eCSSUnit_Degree: aResult.AppendLiteral("deg"); break; case eCSSUnit_Grad: aResult.AppendLiteral("grad"); break; case eCSSUnit_Radian: aResult.AppendLiteral("rad"); break; case eCSSUnit_Turn: aResult.AppendLiteral("turn"); break; case eCSSUnit_Hertz: aResult.AppendLiteral("Hz"); break; case eCSSUnit_Kilohertz: aResult.AppendLiteral("kHz"); break; case eCSSUnit_Seconds: aResult.Append(char16_t('s')); break; case eCSSUnit_Milliseconds: aResult.AppendLiteral("ms"); break; case eCSSUnit_FlexFraction: aResult.AppendLiteral("fr"); break; } } size_t nsCSSValue::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = 0; switch (GetUnit()) { // No value: nothing extra to measure. case eCSSUnit_Null: case eCSSUnit_Auto: case eCSSUnit_Inherit: case eCSSUnit_Initial: case eCSSUnit_Unset: case eCSSUnit_None: case eCSSUnit_Normal: case eCSSUnit_System_Font: case eCSSUnit_All: case eCSSUnit_Dummy: case eCSSUnit_DummyInherit: break; // String case eCSSUnit_String: case eCSSUnit_Ident: case eCSSUnit_Families: case eCSSUnit_Attr: case eCSSUnit_Local_Font: case eCSSUnit_Font_Format: case eCSSUnit_Element: n += mValue.mString->SizeOfIncludingThisIfUnshared(aMallocSizeOf); break; // Array case eCSSUnit_Array: case eCSSUnit_Counter: case eCSSUnit_Counters: case eCSSUnit_Cubic_Bezier: case eCSSUnit_Steps: case eCSSUnit_Function: case eCSSUnit_Calc: case eCSSUnit_Calc_Plus: case eCSSUnit_Calc_Minus: case eCSSUnit_Calc_Times_L: case eCSSUnit_Calc_Times_R: case eCSSUnit_Calc_Divided: break; // URL case eCSSUnit_URL: n += mValue.mURL->SizeOfIncludingThis(aMallocSizeOf); break; // Image case eCSSUnit_Image: // Not yet measured. Measurement may be added later if DMD finds it // worthwhile. break; // Gradient case eCSSUnit_Gradient: n += mValue.mGradient->SizeOfIncludingThis(aMallocSizeOf); break; // TokenStream case eCSSUnit_TokenStream: n += mValue.mTokenStream->SizeOfIncludingThis(aMallocSizeOf); break; // Pair case eCSSUnit_Pair: n += mValue.mPair->SizeOfIncludingThis(aMallocSizeOf); break; // Triplet case eCSSUnit_Triplet: n += mValue.mTriplet->SizeOfIncludingThis(aMallocSizeOf); break; // Rect case eCSSUnit_Rect: n += mValue.mRect->SizeOfIncludingThis(aMallocSizeOf); break; // List case eCSSUnit_List: n += mValue.mList->SizeOfIncludingThis(aMallocSizeOf); break; // ListDep: not measured because it's non-owning. case eCSSUnit_ListDep: break; // SharedList case eCSSUnit_SharedList: // Makes more sense not to measure, since it most cases the list // will be shared. break; // PairList case eCSSUnit_PairList: n += mValue.mPairList->SizeOfIncludingThis(aMallocSizeOf); break; // PairListDep: not measured because it's non-owning. case eCSSUnit_PairListDep: break; // GridTemplateAreas case eCSSUnit_GridTemplateAreas: n += mValue.mGridTemplateAreas->SizeOfIncludingThis(aMallocSizeOf); break; // Int: nothing extra to measure. case eCSSUnit_Integer: case eCSSUnit_Enumerated: case eCSSUnit_EnumColor: break; // Integer Color: nothing extra to measure. case eCSSUnit_RGBColor: case eCSSUnit_RGBAColor: case eCSSUnit_HexColor: case eCSSUnit_ShortHexColor: break; // Float Color case eCSSUnit_PercentageRGBColor: case eCSSUnit_PercentageRGBAColor: case eCSSUnit_HSLColor: case eCSSUnit_HSLAColor: n += mValue.mFloatColor->SizeOfIncludingThis(aMallocSizeOf); break; // Float: nothing extra to measure. case eCSSUnit_Percent: case eCSSUnit_Number: case eCSSUnit_PhysicalMillimeter: case eCSSUnit_ViewportWidth: case eCSSUnit_ViewportHeight: case eCSSUnit_ViewportMin: case eCSSUnit_ViewportMax: case eCSSUnit_EM: case eCSSUnit_XHeight: case eCSSUnit_Char: case eCSSUnit_RootEM: case eCSSUnit_Point: case eCSSUnit_Inch: case eCSSUnit_Millimeter: case eCSSUnit_Centimeter: case eCSSUnit_Pica: case eCSSUnit_Pixel: case eCSSUnit_Degree: case eCSSUnit_Grad: case eCSSUnit_Turn: case eCSSUnit_Radian: case eCSSUnit_Hertz: case eCSSUnit_Kilohertz: case eCSSUnit_Seconds: case eCSSUnit_Milliseconds: case eCSSUnit_FlexFraction: break; default: NS_ABORT_IF_FALSE(false, "bad nsCSSUnit"); break; } return n; } // --- nsCSSValueList ----------------- nsCSSValueList::~nsCSSValueList() { MOZ_COUNT_DTOR(nsCSSValueList); NS_CSS_DELETE_LIST_MEMBER(nsCSSValueList, this, mNext); } nsCSSValueList* nsCSSValueList::Clone() const { nsCSSValueList* result = new nsCSSValueList(*this); nsCSSValueList* dest = result; const nsCSSValueList* src = this->mNext; while (src) { dest->mNext = new nsCSSValueList(*src); dest = dest->mNext; src = src->mNext; } return result; } void nsCSSValueList::CloneInto(nsCSSValueList* aList) const { NS_ASSERTION(!aList->mNext, "Must be an empty list!"); aList->mValue = mValue; aList->mNext = mNext ? mNext->Clone() : nullptr; } static void AppendValueListToString(const nsCSSValueList* val, nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aSerialization) { for (;;) { val->mValue.AppendToString(aProperty, aResult, aSerialization); val = val->mNext; if (!val) break; if (nsCSSProps::PropHasFlags(aProperty, CSS_PROPERTY_VALUE_LIST_USES_COMMAS)) aResult.Append(char16_t(',')); aResult.Append(char16_t(' ')); } } static void AppendGridTemplateToString(const nsCSSValueList* val, nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aSerialization) { // This is called for the "list" that's the top-level value of the property. for (;;) { bool addSpaceSpearator = true; nsCSSUnit unit = val->mValue.GetUnit(); if (unit == eCSSUnit_Null) { // Empty or omitted . Serializes to nothing. addSpaceSpearator = false; // Avoid a double space. } else if (unit == eCSSUnit_List || unit == eCSSUnit_ListDep) { // Non-empty aResult.AppendLiteral("("); AppendValueListToString(val->mValue.GetListValue(), aProperty, aResult, aSerialization); aResult.AppendLiteral(")"); } else { // val->mValue.AppendToString(aProperty, aResult, aSerialization); } val = val->mNext; if (!val) { break; } if (addSpaceSpearator) { aResult.Append(char16_t(' ')); } } } void nsCSSValueList::AppendToString(nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aSerialization) const { if (aProperty == eCSSProperty_grid_template_columns || aProperty == eCSSProperty_grid_template_rows) { AppendGridTemplateToString(this, aProperty, aResult, aSerialization); } else { AppendValueListToString(this, aProperty, aResult, aSerialization); } } bool nsCSSValueList::operator==(const nsCSSValueList& aOther) const { if (this == &aOther) return true; const nsCSSValueList *p1 = this, *p2 = &aOther; for ( ; p1 && p2; p1 = p1->mNext, p2 = p2->mNext) { if (p1->mValue != p2->mValue) return false; } return !p1 && !p2; // true if same length, false otherwise } size_t nsCSSValueList::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = 0; const nsCSSValueList* v = this; while (v) { n += aMallocSizeOf(v); n += v->mValue.SizeOfExcludingThis(aMallocSizeOf); v = v->mNext; } return n; } size_t nsCSSValueList_heap::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); n += mValue.SizeOfExcludingThis(aMallocSizeOf); n += mNext ? mNext->SizeOfIncludingThis(aMallocSizeOf) : 0; return n; } // --- nsCSSValueSharedList ----------------- nsCSSValueSharedList::~nsCSSValueSharedList() { MOZ_COUNT_DTOR(nsCSSValueSharedList); if (mHead) { NS_CSS_DELETE_LIST_MEMBER(nsCSSValueList, mHead, mNext); delete mHead; } } void nsCSSValueSharedList::AppendToString(nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aSerialization) const { if (mHead) { mHead->AppendToString(aProperty, aResult, aSerialization); } } bool nsCSSValueSharedList::operator==(const nsCSSValueSharedList& aOther) const { return !mHead == !aOther.mHead && (!mHead || *mHead == *aOther.mHead); } size_t nsCSSValueSharedList::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = 0; n += aMallocSizeOf(this); n += mHead->SizeOfIncludingThis(aMallocSizeOf); return n; } // --- nsCSSRect ----------------- nsCSSRect::nsCSSRect(void) { MOZ_COUNT_CTOR(nsCSSRect); } nsCSSRect::nsCSSRect(const nsCSSRect& aCopy) : mTop(aCopy.mTop), mRight(aCopy.mRight), mBottom(aCopy.mBottom), mLeft(aCopy.mLeft) { MOZ_COUNT_CTOR(nsCSSRect); } nsCSSRect::~nsCSSRect() { MOZ_COUNT_DTOR(nsCSSRect); } void nsCSSRect::AppendToString(nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aSerialization) const { NS_ABORT_IF_FALSE(mTop.GetUnit() != eCSSUnit_Null && mTop.GetUnit() != eCSSUnit_Inherit && mTop.GetUnit() != eCSSUnit_Initial && mTop.GetUnit() != eCSSUnit_Unset, "parser should have used a bare value"); if (eCSSProperty_border_image_slice == aProperty || eCSSProperty_border_image_width == aProperty || eCSSProperty_border_image_outset == aProperty) { NS_NAMED_LITERAL_STRING(space, " "); mTop.AppendToString(aProperty, aResult, aSerialization); aResult.Append(space); mRight.AppendToString(aProperty, aResult, aSerialization); aResult.Append(space); mBottom.AppendToString(aProperty, aResult, aSerialization); aResult.Append(space); mLeft.AppendToString(aProperty, aResult, aSerialization); } else { NS_NAMED_LITERAL_STRING(comma, ", "); aResult.AppendLiteral("rect("); mTop.AppendToString(aProperty, aResult, aSerialization); aResult.Append(comma); mRight.AppendToString(aProperty, aResult, aSerialization); aResult.Append(comma); mBottom.AppendToString(aProperty, aResult, aSerialization); aResult.Append(comma); mLeft.AppendToString(aProperty, aResult, aSerialization); aResult.Append(char16_t(')')); } } void nsCSSRect::SetAllSidesTo(const nsCSSValue& aValue) { mTop = aValue; mRight = aValue; mBottom = aValue; mLeft = aValue; } size_t nsCSSRect_heap::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); n += mTop .SizeOfExcludingThis(aMallocSizeOf); n += mRight .SizeOfExcludingThis(aMallocSizeOf); n += mBottom.SizeOfExcludingThis(aMallocSizeOf); n += mLeft .SizeOfExcludingThis(aMallocSizeOf); return n; } static_assert(NS_SIDE_TOP == 0 && NS_SIDE_RIGHT == 1 && NS_SIDE_BOTTOM == 2 && NS_SIDE_LEFT == 3, "box side constants not top/right/bottom/left == 0/1/2/3"); /* static */ const nsCSSRect::side_type nsCSSRect::sides[4] = { &nsCSSRect::mTop, &nsCSSRect::mRight, &nsCSSRect::mBottom, &nsCSSRect::mLeft, }; // --- nsCSSValuePair ----------------- void nsCSSValuePair::AppendToString(nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aSerialization) const { mXValue.AppendToString(aProperty, aResult, aSerialization); if (mYValue.GetUnit() != eCSSUnit_Null) { aResult.Append(char16_t(' ')); mYValue.AppendToString(aProperty, aResult, aSerialization); } } size_t nsCSSValuePair::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = 0; n += mXValue.SizeOfExcludingThis(aMallocSizeOf); n += mYValue.SizeOfExcludingThis(aMallocSizeOf); return n; } size_t nsCSSValuePair_heap::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); n += mXValue.SizeOfExcludingThis(aMallocSizeOf); n += mYValue.SizeOfExcludingThis(aMallocSizeOf); return n; } // --- nsCSSValueTriplet ----------------- void nsCSSValueTriplet::AppendToString(nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aSerialization) const { mXValue.AppendToString(aProperty, aResult, aSerialization); if (mYValue.GetUnit() != eCSSUnit_Null) { aResult.Append(char16_t(' ')); mYValue.AppendToString(aProperty, aResult, aSerialization); if (mZValue.GetUnit() != eCSSUnit_Null) { aResult.Append(char16_t(' ')); mZValue.AppendToString(aProperty, aResult, aSerialization); } } } size_t nsCSSValueTriplet_heap::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); n += mXValue.SizeOfExcludingThis(aMallocSizeOf); n += mYValue.SizeOfExcludingThis(aMallocSizeOf); n += mZValue.SizeOfExcludingThis(aMallocSizeOf); return n; } // --- nsCSSValuePairList ----------------- nsCSSValuePairList::~nsCSSValuePairList() { MOZ_COUNT_DTOR(nsCSSValuePairList); NS_CSS_DELETE_LIST_MEMBER(nsCSSValuePairList, this, mNext); } nsCSSValuePairList* nsCSSValuePairList::Clone() const { nsCSSValuePairList* result = new nsCSSValuePairList(*this); nsCSSValuePairList* dest = result; const nsCSSValuePairList* src = this->mNext; while (src) { dest->mNext = new nsCSSValuePairList(*src); dest = dest->mNext; src = src->mNext; } return result; } void nsCSSValuePairList::AppendToString(nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aSerialization) const { const nsCSSValuePairList* item = this; for (;;) { NS_ABORT_IF_FALSE(item->mXValue.GetUnit() != eCSSUnit_Null, "unexpected null unit"); item->mXValue.AppendToString(aProperty, aResult, aSerialization); if (item->mXValue.GetUnit() != eCSSUnit_Inherit && item->mXValue.GetUnit() != eCSSUnit_Initial && item->mXValue.GetUnit() != eCSSUnit_Unset && item->mYValue.GetUnit() != eCSSUnit_Null) { aResult.Append(char16_t(' ')); item->mYValue.AppendToString(aProperty, aResult, aSerialization); } item = item->mNext; if (!item) break; if (nsCSSProps::PropHasFlags(aProperty, CSS_PROPERTY_VALUE_LIST_USES_COMMAS)) aResult.Append(char16_t(',')); aResult.Append(char16_t(' ')); } } bool nsCSSValuePairList::operator==(const nsCSSValuePairList& aOther) const { if (this == &aOther) return true; const nsCSSValuePairList *p1 = this, *p2 = &aOther; for ( ; p1 && p2; p1 = p1->mNext, p2 = p2->mNext) { if (p1->mXValue != p2->mXValue || p1->mYValue != p2->mYValue) return false; } return !p1 && !p2; // true if same length, false otherwise } size_t nsCSSValuePairList::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = 0; const nsCSSValuePairList* v = this; while (v) { n += aMallocSizeOf(v); n += v->mXValue.SizeOfExcludingThis(aMallocSizeOf); n += v->mYValue.SizeOfExcludingThis(aMallocSizeOf); v = v->mNext; } return n; } size_t nsCSSValuePairList_heap::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); n += mXValue.SizeOfExcludingThis(aMallocSizeOf); n += mYValue.SizeOfExcludingThis(aMallocSizeOf); n += mNext ? mNext->SizeOfIncludingThis(aMallocSizeOf) : 0; return n; } size_t nsCSSValue::Array::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); for (size_t i = 0; i < mCount; i++) { n += mArray[i].SizeOfExcludingThis(aMallocSizeOf); } return n; } css::URLValue::URLValue(nsIURI* aURI, nsStringBuffer* aString, nsIURI* aReferrer, nsIPrincipal* aOriginPrincipal) : mURI(aURI), mString(aString), mReferrer(aReferrer), mOriginPrincipal(aOriginPrincipal), mURIResolved(true) { NS_ABORT_IF_FALSE(aOriginPrincipal, "Must have an origin principal"); mString->AddRef(); } css::URLValue::URLValue(nsStringBuffer* aString, nsIURI* aBaseURI, nsIURI* aReferrer, nsIPrincipal* aOriginPrincipal) : mURI(aBaseURI), mString(aString), mReferrer(aReferrer), mOriginPrincipal(aOriginPrincipal), mURIResolved(false) { NS_ABORT_IF_FALSE(aOriginPrincipal, "Must have an origin principal"); mString->AddRef(); } css::URLValue::~URLValue() { mString->Release(); } bool css::URLValue::operator==(const URLValue& aOther) const { bool eq; return NS_strcmp(nsCSSValue::GetBufferValue(mString), nsCSSValue::GetBufferValue(aOther.mString)) == 0 && (GetURI() == aOther.GetURI() || // handles null == null (mURI && aOther.mURI && NS_SUCCEEDED(mURI->Equals(aOther.mURI, &eq)) && eq)) && (mOriginPrincipal == aOther.mOriginPrincipal || (NS_SUCCEEDED(mOriginPrincipal->Equals(aOther.mOriginPrincipal, &eq)) && eq)); } bool css::URLValue::URIEquals(const URLValue& aOther) const { NS_ABORT_IF_FALSE(mURIResolved && aOther.mURIResolved, "How do you know the URIs aren't null?"); bool eq; // Worth comparing GetURI() to aOther.GetURI() and mOriginPrincipal to // aOther.mOriginPrincipal, because in the (probably common) case when this // value was one of the ones that in fact did not change this will be our // fast path to equality return (mURI == aOther.mURI || (NS_SUCCEEDED(mURI->Equals(aOther.mURI, &eq)) && eq)) && (mOriginPrincipal == aOther.mOriginPrincipal || (NS_SUCCEEDED(mOriginPrincipal->Equals(aOther.mOriginPrincipal, &eq)) && eq)); } nsIURI* css::URLValue::GetURI() const { if (!mURIResolved) { mURIResolved = true; // Be careful to not null out mURI before we've passed it as the base URI nsCOMPtr newURI; NS_NewURI(getter_AddRefs(newURI), NS_ConvertUTF16toUTF8(nsCSSValue::GetBufferValue(mString)), nullptr, mURI); newURI.swap(mURI); } return mURI; } size_t css::URLValue::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); // This string is unshared. n += mString->SizeOfIncludingThisMustBeUnshared(aMallocSizeOf); // Measurement of the following members may be added later if DMD finds it is // worthwhile: // - mURI // - mReferrer // - mOriginPrincipal return n; } css::ImageValue::ImageValue(nsIURI* aURI, nsStringBuffer* aString, nsIURI* aReferrer, nsIPrincipal* aOriginPrincipal, nsIDocument* aDocument) : URLValue(aURI, aString, aReferrer, aOriginPrincipal) { // NB: If aDocument is not the original document, we may not be able to load // images from aDocument. Instead we do the image load from the original doc // and clone it to aDocument. nsIDocument* loadingDoc = aDocument->GetOriginalDocument(); if (!loadingDoc) { loadingDoc = aDocument; } loadingDoc->StyleImageLoader()->LoadImage(aURI, aOriginPrincipal, aReferrer, this); if (loadingDoc != aDocument) { aDocument->StyleImageLoader()->MaybeRegisterCSSImage(this); } } static PLDHashOperator ClearRequestHashtable(nsISupports* aKey, nsRefPtr& aValue, void* aClosure) { mozilla::css::ImageValue* image = static_cast(aClosure); nsIDocument* doc = static_cast(aKey); #ifdef DEBUG { nsCOMPtr slowDoc = do_QueryInterface(aKey); MOZ_ASSERT(slowDoc == doc); } #endif if (doc) { doc->StyleImageLoader()->DeregisterCSSImage(image); } if (aValue) { aValue->CancelAndForgetObserver(NS_BINDING_ABORTED); } return PL_DHASH_REMOVE; } css::ImageValue::~ImageValue() { mRequests.Enumerate(&ClearRequestHashtable, this); } nsCSSValueGradientStop::nsCSSValueGradientStop() : mLocation(eCSSUnit_None), mColor(eCSSUnit_Null) { MOZ_COUNT_CTOR(nsCSSValueGradientStop); } nsCSSValueGradientStop::nsCSSValueGradientStop(const nsCSSValueGradientStop& aOther) : mLocation(aOther.mLocation), mColor(aOther.mColor) { MOZ_COUNT_CTOR(nsCSSValueGradientStop); } nsCSSValueGradientStop::~nsCSSValueGradientStop() { MOZ_COUNT_DTOR(nsCSSValueGradientStop); } size_t nsCSSValueGradientStop::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = 0; n += mLocation.SizeOfExcludingThis(aMallocSizeOf); n += mColor .SizeOfExcludingThis(aMallocSizeOf); return n; } nsCSSValueGradient::nsCSSValueGradient(bool aIsRadial, bool aIsRepeating) : mIsRadial(aIsRadial), mIsRepeating(aIsRepeating), mIsLegacySyntax(false), mIsExplicitSize(false), mBgPos(eCSSUnit_None), mAngle(eCSSUnit_None) { mRadialValues[0].SetNoneValue(); mRadialValues[1].SetNoneValue(); } size_t nsCSSValueGradient::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); n += mBgPos.SizeOfExcludingThis(aMallocSizeOf); n += mAngle.SizeOfExcludingThis(aMallocSizeOf); n += mRadialValues[0].SizeOfExcludingThis(aMallocSizeOf); n += mRadialValues[1].SizeOfExcludingThis(aMallocSizeOf); n += mStops.SizeOfExcludingThis(aMallocSizeOf); for (uint32_t i = 0; i < mStops.Length(); i++) { n += mStops[i].SizeOfExcludingThis(aMallocSizeOf); } return n; } // --- nsCSSValueTokenStream ------------ nsCSSValueTokenStream::nsCSSValueTokenStream() : mPropertyID(eCSSProperty_UNKNOWN) , mShorthandPropertyID(eCSSProperty_UNKNOWN) { MOZ_COUNT_CTOR(nsCSSValueTokenStream); } nsCSSValueTokenStream::~nsCSSValueTokenStream() { MOZ_COUNT_DTOR(nsCSSValueTokenStream); } size_t nsCSSValueTokenStream::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); n += mTokenStream.SizeOfExcludingThisIfUnshared(aMallocSizeOf); return n; } // --- nsCSSValueFloatColor ------------- bool nsCSSValueFloatColor::operator==(nsCSSValueFloatColor& aOther) const { return mComponent1 == aOther.mComponent1 && mComponent2 == aOther.mComponent2 && mComponent3 == aOther.mComponent3 && mAlpha == aOther.mAlpha; } nscolor nsCSSValueFloatColor::GetColorValue(nsCSSUnit aUnit) const { MOZ_ASSERT(nsCSSValue::IsFloatColorUnit(aUnit), "unexpected unit"); if (aUnit == eCSSUnit_PercentageRGBColor || aUnit == eCSSUnit_PercentageRGBAColor) { return NS_RGBA(NSToIntRound(mComponent1 * 255.0f), NSToIntRound(mComponent2 * 255.0f), NSToIntRound(mComponent3 * 255.0f), NSToIntRound(mAlpha * 255.0f)); } // HSL color MOZ_ASSERT(aUnit == eCSSUnit_HSLColor || aUnit == eCSSUnit_HSLAColor); nscolor hsl = NS_HSL2RGB(mComponent1, mComponent2, mComponent3); return NS_RGBA(NS_GET_R(hsl), NS_GET_G(hsl), NS_GET_B(hsl), NSToIntRound(mAlpha * 255.0f)); } bool nsCSSValueFloatColor::IsNonTransparentColor() const { return mAlpha > 0.0f; } void nsCSSValueFloatColor::AppendToString(nsCSSUnit aUnit, nsAString& aResult) const { MOZ_ASSERT(nsCSSValue::IsFloatColorUnit(aUnit), "unexpected unit"); bool hasAlpha = aUnit == eCSSUnit_PercentageRGBAColor || aUnit == eCSSUnit_HSLAColor; bool isHSL = aUnit == eCSSUnit_HSLColor || aUnit == eCSSUnit_HSLAColor; if (isHSL) { aResult.AppendLiteral("hsl"); } else { aResult.AppendLiteral("rgb"); } if (hasAlpha) { aResult.AppendLiteral("a("); } else { aResult.Append('('); } if (isHSL) { aResult.AppendFloat(mComponent1 * 360.0f); aResult.AppendLiteral(", "); } else { aResult.AppendFloat(mComponent1 * 100.0f); aResult.AppendLiteral("%, "); } aResult.AppendFloat(mComponent2 * 100.0f); aResult.AppendLiteral("%, "); aResult.AppendFloat(mComponent3 * 100.0f); if (hasAlpha) { aResult.AppendLiteral("%, "); aResult.AppendFloat(mAlpha); aResult.Append(')'); } else { aResult.AppendLiteral("%)"); } } size_t nsCSSValueFloatColor::SizeOfIncludingThis( mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = aMallocSizeOf(this); return n; } // --- nsCSSCornerSizes ----------------- nsCSSCornerSizes::nsCSSCornerSizes(void) { MOZ_COUNT_CTOR(nsCSSCornerSizes); } nsCSSCornerSizes::nsCSSCornerSizes(const nsCSSCornerSizes& aCopy) : mTopLeft(aCopy.mTopLeft), mTopRight(aCopy.mTopRight), mBottomRight(aCopy.mBottomRight), mBottomLeft(aCopy.mBottomLeft) { MOZ_COUNT_CTOR(nsCSSCornerSizes); } nsCSSCornerSizes::~nsCSSCornerSizes() { MOZ_COUNT_DTOR(nsCSSCornerSizes); } void nsCSSCornerSizes::Reset() { NS_FOR_CSS_FULL_CORNERS(corner) { this->GetCorner(corner).Reset(); } } static_assert(NS_CORNER_TOP_LEFT == 0 && NS_CORNER_TOP_RIGHT == 1 && NS_CORNER_BOTTOM_RIGHT == 2 && NS_CORNER_BOTTOM_LEFT == 3, "box corner constants not tl/tr/br/bl == 0/1/2/3"); /* static */ const nsCSSCornerSizes::corner_type nsCSSCornerSizes::corners[4] = { &nsCSSCornerSizes::mTopLeft, &nsCSSCornerSizes::mTopRight, &nsCSSCornerSizes::mBottomRight, &nsCSSCornerSizes::mBottomLeft, }; void nsCSSValueGridTemplateAreas::AppendToString(nsCSSProperty aProperty, nsAString& aResult, nsCSSValue::Serialization aValueSerialization) const { uint32_t length = mTemplates.Length(); if (length == 0) { aResult.AppendLiteral("none"); } else { nsStyleUtil::AppendEscapedCSSString(mTemplates[0], aResult); for (uint32_t i = 1; i < length; i++) { aResult.Append(char16_t(' ')); nsStyleUtil::AppendEscapedCSSString(mTemplates[i], aResult); } } } size_t nsCSSValueGridTemplateAreas::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const { size_t n = mNamedAreas.SizeOfExcludingThis(aMallocSizeOf); n += mTemplates.SizeOfIncludingThis(aMallocSizeOf); return n; }