зеркало из https://github.com/mozilla/gecko-dev.git
3350 строки
105 KiB
C++
3350 строки
105 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* representation of simple property values within CSS declarations */
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#include "nsCSSValue.h"
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#include "mozilla/ServoStyleSet.h"
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#include "mozilla/StyleSheetInlines.h"
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#include "mozilla/Likely.h"
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#include "mozilla/MemoryReporting.h"
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#include "mozilla/css/ImageLoader.h"
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#include "CSSCalc.h"
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#include "gfxFontConstants.h"
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#include "imgIRequest.h"
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#include "imgRequestProxy.h"
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#include "nsIDocument.h"
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#include "nsCSSProps.h"
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#include "nsNetUtil.h"
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#include "nsPresContext.h"
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#include "nsStyleUtil.h"
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#include "nsDeviceContext.h"
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#include "nsStyleSet.h"
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#include "nsContentUtils.h"
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using namespace mozilla;
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using namespace mozilla::css;
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static bool
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MightHaveRef(const nsString& aString)
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{
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const char16_t* current = aString.get();
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for (; *current != '\0'; current++) {
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if (*current == '#') {
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return true;
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}
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}
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return false;
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}
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nsCSSValue::nsCSSValue(int32_t aValue, nsCSSUnit aUnit)
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: mUnit(aUnit)
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{
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MOZ_ASSERT(aUnit == eCSSUnit_Integer || aUnit == eCSSUnit_Enumerated ||
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aUnit == eCSSUnit_EnumColor,
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"not an int value");
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if (aUnit == eCSSUnit_Integer || aUnit == eCSSUnit_Enumerated ||
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aUnit == eCSSUnit_EnumColor) {
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mValue.mInt = aValue;
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}
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else {
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mUnit = eCSSUnit_Null;
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mValue.mInt = 0;
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}
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}
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nsCSSValue::nsCSSValue(float aValue, nsCSSUnit aUnit)
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: mUnit(aUnit)
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{
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MOZ_ASSERT(eCSSUnit_Percent <= aUnit, "not a float value");
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if (eCSSUnit_Percent <= aUnit) {
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mValue.mFloat = aValue;
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MOZ_ASSERT(!mozilla::IsNaN(mValue.mFloat));
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}
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else {
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mUnit = eCSSUnit_Null;
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mValue.mInt = 0;
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}
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}
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nsCSSValue::nsCSSValue(const nsString& aValue, nsCSSUnit aUnit)
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: mUnit(aUnit)
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{
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MOZ_ASSERT(UnitHasStringValue(), "not a string value");
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if (UnitHasStringValue()) {
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mValue.mString = BufferFromString(aValue).take();
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}
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else {
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mUnit = eCSSUnit_Null;
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mValue.mInt = 0;
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}
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}
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nsCSSValue::nsCSSValue(nsCSSValue::Array* aValue, nsCSSUnit aUnit)
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: mUnit(aUnit)
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{
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MOZ_ASSERT(UnitHasArrayValue(), "bad unit");
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mValue.mArray = aValue;
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mValue.mArray->AddRef();
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}
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nsCSSValue::nsCSSValue(mozilla::css::URLValue* aValue)
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: mUnit(eCSSUnit_URL)
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{
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mValue.mURL = aValue;
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mValue.mURL->AddRef();
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}
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nsCSSValue::nsCSSValue(mozilla::css::ImageValue* aValue)
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: mUnit(eCSSUnit_Image)
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{
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mValue.mImage = aValue;
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mValue.mImage->AddRef();
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}
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nsCSSValue::nsCSSValue(nsCSSValueGradient* aValue)
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: mUnit(eCSSUnit_Gradient)
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{
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mValue.mGradient = aValue;
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mValue.mGradient->AddRef();
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}
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nsCSSValue::nsCSSValue(nsCSSValueTokenStream* aValue)
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: mUnit(eCSSUnit_TokenStream)
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{
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mValue.mTokenStream = aValue;
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mValue.mTokenStream->AddRef();
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}
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nsCSSValue::nsCSSValue(mozilla::css::GridTemplateAreasValue* aValue)
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: mUnit(eCSSUnit_GridTemplateAreas)
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{
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mValue.mGridTemplateAreas = aValue;
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mValue.mGridTemplateAreas->AddRef();
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}
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nsCSSValue::nsCSSValue(css::FontFamilyListRefCnt* aValue)
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: mUnit(eCSSUnit_FontFamilyList)
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{
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mValue.mFontFamilyList = aValue;
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mValue.mFontFamilyList->AddRef();
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}
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nsCSSValue::nsCSSValue(const nsCSSValue& aCopy)
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: mUnit(aCopy.mUnit)
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{
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if (mUnit <= eCSSUnit_DummyInherit) {
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// nothing to do, but put this important case first
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}
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else if (eCSSUnit_Percent <= mUnit) {
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mValue.mFloat = aCopy.mValue.mFloat;
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MOZ_ASSERT(!mozilla::IsNaN(mValue.mFloat));
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}
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else if (UnitHasStringValue()) {
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mValue.mString = aCopy.mValue.mString;
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mValue.mString->AddRef();
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}
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else if (eCSSUnit_Integer <= mUnit && mUnit <= eCSSUnit_EnumColor) {
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mValue.mInt = aCopy.mValue.mInt;
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}
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else if (IsIntegerColorUnit()) {
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mValue.mColor = aCopy.mValue.mColor;
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}
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else if (IsFloatColorUnit()) {
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mValue.mFloatColor = aCopy.mValue.mFloatColor;
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mValue.mFloatColor->AddRef();
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}
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else if (eCSSUnit_ComplexColor == mUnit) {
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mValue.mComplexColor = aCopy.mValue.mComplexColor;
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mValue.mComplexColor->AddRef();
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}
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else if (UnitHasArrayValue()) {
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mValue.mArray = aCopy.mValue.mArray;
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mValue.mArray->AddRef();
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}
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else if (eCSSUnit_URL == mUnit) {
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mValue.mURL = aCopy.mValue.mURL;
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mValue.mURL->AddRef();
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}
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else if (eCSSUnit_Image == mUnit) {
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mValue.mImage = aCopy.mValue.mImage;
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mValue.mImage->AddRef();
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}
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else if (eCSSUnit_Gradient == mUnit) {
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mValue.mGradient = aCopy.mValue.mGradient;
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mValue.mGradient->AddRef();
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}
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else if (eCSSUnit_TokenStream == mUnit) {
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mValue.mTokenStream = aCopy.mValue.mTokenStream;
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mValue.mTokenStream->AddRef();
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}
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else if (eCSSUnit_Pair == mUnit) {
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mValue.mPair = aCopy.mValue.mPair;
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mValue.mPair->AddRef();
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}
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else if (eCSSUnit_Triplet == mUnit) {
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mValue.mTriplet = aCopy.mValue.mTriplet;
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mValue.mTriplet->AddRef();
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}
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else if (eCSSUnit_Rect == mUnit) {
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mValue.mRect = aCopy.mValue.mRect;
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mValue.mRect->AddRef();
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}
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else if (eCSSUnit_List == mUnit) {
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mValue.mList = aCopy.mValue.mList;
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mValue.mList->AddRef();
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}
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else if (eCSSUnit_ListDep == mUnit) {
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mValue.mListDependent = aCopy.mValue.mListDependent;
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}
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else if (eCSSUnit_SharedList == mUnit) {
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mValue.mSharedList = aCopy.mValue.mSharedList;
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mValue.mSharedList->AddRef();
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}
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else if (eCSSUnit_PairList == mUnit) {
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mValue.mPairList = aCopy.mValue.mPairList;
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mValue.mPairList->AddRef();
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}
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else if (eCSSUnit_PairListDep == mUnit) {
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mValue.mPairListDependent = aCopy.mValue.mPairListDependent;
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}
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else if (eCSSUnit_GridTemplateAreas == mUnit) {
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mValue.mGridTemplateAreas = aCopy.mValue.mGridTemplateAreas;
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mValue.mGridTemplateAreas->AddRef();
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}
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else if (eCSSUnit_FontFamilyList == mUnit) {
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mValue.mFontFamilyList = aCopy.mValue.mFontFamilyList;
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mValue.mFontFamilyList->AddRef();
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}
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else if (eCSSUnit_AtomIdent == mUnit) {
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mValue.mAtom = aCopy.mValue.mAtom;
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mValue.mAtom->AddRef();
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}
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else {
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MOZ_ASSERT(false, "unknown unit");
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}
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}
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nsCSSValue& nsCSSValue::operator=(const nsCSSValue& aCopy)
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{
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if (this != &aCopy) {
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Reset();
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new (this) nsCSSValue(aCopy);
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}
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return *this;
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}
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nsCSSValue&
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nsCSSValue::operator=(nsCSSValue&& aOther)
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{
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MOZ_ASSERT(this != &aOther, "Self assigment with rvalue reference");
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Reset();
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mUnit = aOther.mUnit;
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mValue = aOther.mValue;
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aOther.mUnit = eCSSUnit_Null;
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return *this;
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}
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bool nsCSSValue::operator==(const nsCSSValue& aOther) const
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{
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MOZ_ASSERT(mUnit != eCSSUnit_ListDep &&
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aOther.mUnit != eCSSUnit_ListDep &&
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mUnit != eCSSUnit_PairListDep &&
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aOther.mUnit != eCSSUnit_PairListDep,
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"don't use operator== with dependent lists");
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if (mUnit == aOther.mUnit) {
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if (mUnit <= eCSSUnit_DummyInherit) {
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return true;
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}
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else if (UnitHasStringValue()) {
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return (NS_strcmp(GetBufferValue(mValue.mString),
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GetBufferValue(aOther.mValue.mString)) == 0);
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}
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else if ((eCSSUnit_Integer <= mUnit) && (mUnit <= eCSSUnit_EnumColor)) {
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return mValue.mInt == aOther.mValue.mInt;
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}
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else if (IsIntegerColorUnit()) {
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return mValue.mColor == aOther.mValue.mColor;
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}
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else if (IsFloatColorUnit()) {
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return *mValue.mFloatColor == *aOther.mValue.mFloatColor;
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}
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else if (eCSSUnit_ComplexColor == mUnit) {
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return *mValue.mComplexColor == *aOther.mValue.mComplexColor;
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}
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else if (UnitHasArrayValue()) {
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return *mValue.mArray == *aOther.mValue.mArray;
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}
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else if (eCSSUnit_URL == mUnit) {
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return mValue.mURL->Equals(*aOther.mValue.mURL);
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}
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else if (eCSSUnit_Image == mUnit) {
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return mValue.mImage->Equals(*aOther.mValue.mImage);
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}
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else if (eCSSUnit_Gradient == mUnit) {
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return *mValue.mGradient == *aOther.mValue.mGradient;
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}
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else if (eCSSUnit_TokenStream == mUnit) {
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return *mValue.mTokenStream == *aOther.mValue.mTokenStream;
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}
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else if (eCSSUnit_Pair == mUnit) {
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return *mValue.mPair == *aOther.mValue.mPair;
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}
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else if (eCSSUnit_Triplet == mUnit) {
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return *mValue.mTriplet == *aOther.mValue.mTriplet;
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}
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else if (eCSSUnit_Rect == mUnit) {
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return *mValue.mRect == *aOther.mValue.mRect;
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}
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else if (eCSSUnit_List == mUnit) {
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return nsCSSValueList::Equal(mValue.mList, aOther.mValue.mList);
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}
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else if (eCSSUnit_SharedList == mUnit) {
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return *mValue.mSharedList == *aOther.mValue.mSharedList;
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}
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else if (eCSSUnit_PairList == mUnit) {
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return nsCSSValuePairList::Equal(mValue.mPairList,
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aOther.mValue.mPairList);
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}
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else if (eCSSUnit_GridTemplateAreas == mUnit) {
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return *mValue.mGridTemplateAreas == *aOther.mValue.mGridTemplateAreas;
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}
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else if (eCSSUnit_FontFamilyList == mUnit) {
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return *mValue.mFontFamilyList == *aOther.mValue.mFontFamilyList;
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}
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else if (eCSSUnit_AtomIdent == mUnit) {
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return mValue.mAtom == aOther.mValue.mAtom;
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}
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else {
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return mValue.mFloat == aOther.mValue.mFloat;
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}
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}
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return false;
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}
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double
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nsCSSValue::GetAngleValueInRadians() const
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{
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double angle = GetFloatValue();
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switch (GetUnit()) {
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case eCSSUnit_Radian: return angle;
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case eCSSUnit_Turn: return angle * 2 * M_PI;
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case eCSSUnit_Degree: return angle * M_PI / 180.0;
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case eCSSUnit_Grad: return angle * M_PI / 200.0;
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default:
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MOZ_ASSERT(false, "unrecognized angular unit");
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return 0.0;
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}
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}
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double
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nsCSSValue::GetAngleValueInDegrees() const
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{
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double angle = GetFloatValue();
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switch (GetUnit()) {
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case eCSSUnit_Degree: return angle;
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case eCSSUnit_Grad: return angle * 0.9; // grad / 400 * 360
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case eCSSUnit_Radian: return angle * 180.0 / M_PI; // rad / 2pi * 360
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case eCSSUnit_Turn: return angle * 360.0;
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default:
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MOZ_ASSERT(false, "unrecognized angular unit");
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return 0.0;
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}
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}
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imgRequestProxy* nsCSSValue::GetImageValue(nsIDocument* aDocument) const
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{
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MOZ_ASSERT(mUnit == eCSSUnit_Image, "not an Image value");
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return mValue.mImage->mRequests.GetWeak(aDocument);
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}
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already_AddRefed<imgRequestProxy>
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nsCSSValue::GetPossiblyStaticImageValue(nsIDocument* aDocument,
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nsPresContext* aPresContext) const
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{
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imgRequestProxy* req = GetImageValue(aDocument);
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if (aPresContext->IsDynamic()) {
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return do_AddRef(req);
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}
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return nsContentUtils::GetStaticRequest(aDocument, req);
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}
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nscoord nsCSSValue::GetFixedLength(nsPresContext* aPresContext) const
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{
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MOZ_ASSERT(mUnit == eCSSUnit_PhysicalMillimeter,
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"not a fixed length unit");
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float inches = mValue.mFloat / MM_PER_INCH_FLOAT;
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return NSToCoordFloorClamped(inches *
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float(aPresContext->DeviceContext()->AppUnitsPerPhysicalInch()));
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}
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nscoord nsCSSValue::GetPixelLength() const
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{
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MOZ_ASSERT(IsPixelLengthUnit(), "not a fixed length unit");
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double scaleFactor;
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switch (mUnit) {
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case eCSSUnit_Pixel: return nsPresContext::CSSPixelsToAppUnits(mValue.mFloat);
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case eCSSUnit_Pica: scaleFactor = 16.0; break;
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case eCSSUnit_Point: scaleFactor = 4/3.0; break;
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case eCSSUnit_Inch: scaleFactor = 96.0; break;
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case eCSSUnit_Millimeter: scaleFactor = 96/25.4; break;
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case eCSSUnit_Centimeter: scaleFactor = 96/2.54; break;
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case eCSSUnit_Quarter: scaleFactor = 96/101.6; break;
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default:
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NS_ERROR("should never get here");
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return 0;
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}
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return nsPresContext::CSSPixelsToAppUnits(float(mValue.mFloat*scaleFactor));
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}
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// Assert against resetting non-trivial CSS values from the parallel Servo
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// traversal, since the refcounts aren't thread-safe.
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// Note that the caller might be an OMTA thread, which is allowed to operate off
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// main thread because it owns all of the corresponding nsCSSValues and any that
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// they might be sharing members with.
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#define DO_RELEASE(member) { \
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MOZ_ASSERT(NS_IsInCompositorThread() || !ServoStyleSet::IsInServoTraversal()); \
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mValue.member->Release(); \
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}
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void nsCSSValue::DoReset()
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{
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if (UnitHasStringValue()) {
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mValue.mString->Release();
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} else if (IsFloatColorUnit()) {
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DO_RELEASE(mFloatColor);
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} else if (eCSSUnit_ComplexColor == mUnit) {
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DO_RELEASE(mComplexColor);
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} else if (UnitHasArrayValue()) {
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DO_RELEASE(mArray);
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} else if (eCSSUnit_URL == mUnit) {
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DO_RELEASE(mURL);
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} else if (eCSSUnit_Image == mUnit) {
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DO_RELEASE(mImage);
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} else if (eCSSUnit_Gradient == mUnit) {
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DO_RELEASE(mGradient);
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} else if (eCSSUnit_TokenStream == mUnit) {
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DO_RELEASE(mTokenStream);
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} else if (eCSSUnit_Pair == mUnit) {
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DO_RELEASE(mPair);
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} else if (eCSSUnit_Triplet == mUnit) {
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DO_RELEASE(mTriplet);
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} else if (eCSSUnit_Rect == mUnit) {
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DO_RELEASE(mRect);
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} else if (eCSSUnit_List == mUnit) {
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DO_RELEASE(mList);
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} else if (eCSSUnit_SharedList == mUnit) {
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DO_RELEASE(mSharedList);
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} else if (eCSSUnit_PairList == mUnit) {
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DO_RELEASE(mPairList);
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} else if (eCSSUnit_GridTemplateAreas == mUnit) {
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DO_RELEASE(mGridTemplateAreas);
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} else if (eCSSUnit_FontFamilyList == mUnit) {
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DO_RELEASE(mFontFamilyList);
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} else if (eCSSUnit_AtomIdent == mUnit) {
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DO_RELEASE(mAtom);
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}
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mUnit = eCSSUnit_Null;
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}
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#undef DO_RELEASE
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void nsCSSValue::SetIntValue(int32_t aValue, nsCSSUnit aUnit)
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{
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MOZ_ASSERT(aUnit == eCSSUnit_Integer || aUnit == eCSSUnit_Enumerated ||
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aUnit == eCSSUnit_EnumColor,
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"not an int value");
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Reset();
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if (aUnit == eCSSUnit_Integer || aUnit == eCSSUnit_Enumerated ||
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aUnit == eCSSUnit_EnumColor) {
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mUnit = aUnit;
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mValue.mInt = aValue;
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}
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}
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void nsCSSValue::SetPercentValue(float aValue)
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{
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Reset();
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mUnit = eCSSUnit_Percent;
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mValue.mFloat = aValue;
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MOZ_ASSERT(!mozilla::IsNaN(mValue.mFloat));
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}
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void nsCSSValue::SetFloatValue(float aValue, nsCSSUnit aUnit)
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{
|
|
MOZ_ASSERT(IsFloatUnit(aUnit), "not a float value");
|
|
Reset();
|
|
if (IsFloatUnit(aUnit)) {
|
|
mUnit = aUnit;
|
|
mValue.mFloat = aValue;
|
|
MOZ_ASSERT(!mozilla::IsNaN(mValue.mFloat));
|
|
}
|
|
}
|
|
|
|
void nsCSSValue::SetStringValue(const nsString& aValue,
|
|
nsCSSUnit aUnit)
|
|
{
|
|
Reset();
|
|
mUnit = aUnit;
|
|
MOZ_ASSERT(UnitHasStringValue(), "not a string unit");
|
|
if (UnitHasStringValue()) {
|
|
mValue.mString = BufferFromString(aValue).take();
|
|
} else
|
|
mUnit = eCSSUnit_Null;
|
|
}
|
|
|
|
void
|
|
nsCSSValue::SetAtomIdentValue(already_AddRefed<nsIAtom> aValue)
|
|
{
|
|
Reset();
|
|
mUnit = eCSSUnit_AtomIdent;
|
|
mValue.mAtom = aValue.take();
|
|
}
|
|
|
|
void nsCSSValue::SetColorValue(nscolor aValue)
|
|
{
|
|
SetIntegerColorValue(aValue, eCSSUnit_RGBAColor);
|
|
}
|
|
|
|
|
|
|
|
void nsCSSValue::SetIntegerColorValue(nscolor aValue, nsCSSUnit aUnit)
|
|
{
|
|
Reset();
|
|
mUnit = aUnit;
|
|
MOZ_ASSERT(IsIntegerColorUnit(), "bad unit");
|
|
mValue.mColor = aValue;
|
|
}
|
|
|
|
void nsCSSValue::SetIntegerCoordValue(nscoord aValue)
|
|
{
|
|
SetFloatValue(nsPresContext::AppUnitsToFloatCSSPixels(aValue),
|
|
eCSSUnit_Pixel);
|
|
}
|
|
|
|
void nsCSSValue::SetFloatColorValue(float aComponent1,
|
|
float aComponent2,
|
|
float aComponent3,
|
|
float aAlpha,
|
|
nsCSSUnit aUnit)
|
|
{
|
|
Reset();
|
|
mUnit = aUnit;
|
|
MOZ_ASSERT(IsFloatColorUnit(), "bad unit");
|
|
mValue.mFloatColor =
|
|
new nsCSSValueFloatColor(aComponent1, aComponent2, aComponent3, aAlpha);
|
|
mValue.mFloatColor->AddRef();
|
|
}
|
|
|
|
void
|
|
nsCSSValue::SetRGBAColorValue(const RGBAColorData& aValue)
|
|
{
|
|
SetFloatColorValue(aValue.mR, aValue.mG, aValue.mB,
|
|
aValue.mA, eCSSUnit_PercentageRGBAColor);
|
|
}
|
|
|
|
void
|
|
nsCSSValue::SetComplexColorValue(already_AddRefed<ComplexColorValue> aValue)
|
|
{
|
|
Reset();
|
|
mUnit = eCSSUnit_ComplexColor;
|
|
mValue.mComplexColor = aValue.take();
|
|
}
|
|
|
|
void nsCSSValue::SetArrayValue(nsCSSValue::Array* aValue, nsCSSUnit aUnit)
|
|
{
|
|
Reset();
|
|
mUnit = aUnit;
|
|
MOZ_ASSERT(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::SetGridTemplateAreas(mozilla::css::GridTemplateAreasValue* aValue)
|
|
{
|
|
Reset();
|
|
mUnit = eCSSUnit_GridTemplateAreas;
|
|
mValue.mGridTemplateAreas = aValue;
|
|
mValue.mGridTemplateAreas->AddRef();
|
|
}
|
|
|
|
void nsCSSValue::SetFontFamilyListValue(css::FontFamilyListRefCnt* aValue)
|
|
{
|
|
Reset();
|
|
mUnit = eCSSUnit_FontFamilyList;
|
|
mValue.mFontFamilyList = aValue;
|
|
mValue.mFontFamilyList->AddRef();
|
|
}
|
|
|
|
void nsCSSValue::SetPairValue(const nsCSSValuePair* aValue)
|
|
{
|
|
// pairs should not be used for null/inherit/initial values
|
|
MOZ_ASSERT(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)
|
|
{
|
|
MOZ_ASSERT(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
|
|
MOZ_ASSERT(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
|
|
MOZ_ASSERT(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;
|
|
}
|
|
}
|
|
|
|
void
|
|
nsCSSValue::AdoptListValue(UniquePtr<nsCSSValueList> aValue)
|
|
{
|
|
// We have to copy the first element since for owned lists the first
|
|
// element should be an nsCSSValueList_heap object.
|
|
SetListValue();
|
|
mValue.mList->mValue = Move(aValue->mValue);
|
|
mValue.mList->mNext = aValue->mNext;
|
|
aValue->mNext = nullptr;
|
|
aValue.reset();
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
void
|
|
nsCSSValue::AdoptPairListValue(UniquePtr<nsCSSValuePairList> aValue)
|
|
{
|
|
// We have to copy the first element, since for owned pair lists, the first
|
|
// element should be an nsCSSValuePairList_heap object.
|
|
SetPairListValue();
|
|
mValue.mPairList->mXValue = Move(aValue->mXValue);
|
|
mValue.mPairList->mYValue = Move(aValue->mYValue);
|
|
mValue.mPairList->mNext = aValue->mNext;
|
|
aValue->mNext = nullptr;
|
|
aValue.reset();
|
|
}
|
|
|
|
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::SetCalcValue(const nsStyleCoord::CalcValue* aCalc)
|
|
{
|
|
RefPtr<nsCSSValue::Array> arr = nsCSSValue::Array::Create(1);
|
|
if (!aCalc->mHasPercent) {
|
|
arr->Item(0).SetIntegerCoordValue(aCalc->mLength);
|
|
} else {
|
|
nsCSSValue::Array *arr2 = nsCSSValue::Array::Create(2);
|
|
arr->Item(0).SetArrayValue(arr2, eCSSUnit_Calc_Plus);
|
|
arr2->Item(0).SetIntegerCoordValue(aCalc->mLength);
|
|
arr2->Item(1).SetPercentValue(aCalc->mPercent);
|
|
}
|
|
|
|
SetArrayValue(arr, eCSSUnit_Calc);
|
|
}
|
|
|
|
nsStyleCoord::CalcValue
|
|
nsCSSValue::GetCalcValue() const
|
|
{
|
|
MOZ_ASSERT(mUnit == eCSSUnit_Calc,
|
|
"The unit should be eCSSUnit_Calc");
|
|
|
|
const nsCSSValue::Array* array = GetArrayValue();
|
|
MOZ_ASSERT(array->Count() == 1,
|
|
"There should be a 1-length array");
|
|
|
|
const nsCSSValue& rootValue = array->Item(0);
|
|
|
|
nsStyleCoord::CalcValue result;
|
|
|
|
if (rootValue.GetUnit() == eCSSUnit_Pixel) {
|
|
result.mLength = rootValue.GetFloatValue();
|
|
result.mPercent = 0.0f;
|
|
result.mHasPercent = false;
|
|
} else {
|
|
MOZ_ASSERT(rootValue.GetUnit() == eCSSUnit_Calc_Plus,
|
|
"Calc unit should be eCSSUnit_Calc_Plus");
|
|
|
|
const nsCSSValue::Array *calcPlusArray = rootValue.GetArrayValue();
|
|
MOZ_ASSERT(calcPlusArray->Count() == 2,
|
|
"eCSSUnit_Calc_Plus should have a 2-length array");
|
|
|
|
const nsCSSValue& length = calcPlusArray->Item(0);
|
|
const nsCSSValue& percent = calcPlusArray->Item(1);
|
|
MOZ_ASSERT(length.GetUnit() == eCSSUnit_Pixel,
|
|
"The first value should be eCSSUnit_Pixel");
|
|
MOZ_ASSERT(percent.GetUnit() == eCSSUnit_Percent,
|
|
"The first value should be eCSSUnit_Percent");
|
|
result.mLength = length.GetFloatValue();
|
|
result.mPercent = percent.GetPercentValue();
|
|
result.mHasPercent = true;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
void nsCSSValue::StartImageLoad(nsIDocument* aDocument) const
|
|
{
|
|
MOZ_ASSERT(eCSSUnit_URL == mUnit, "Not a URL value!");
|
|
mozilla::css::ImageValue* image =
|
|
new mozilla::css::ImageValue(mValue.mURL->GetURI(),
|
|
mValue.mURL->mString,
|
|
do_AddRef(mValue.mURL->mExtraData),
|
|
aDocument);
|
|
|
|
nsCSSValue* writable = const_cast<nsCSSValue*>(this);
|
|
writable->SetImageValue(image);
|
|
}
|
|
|
|
nscolor nsCSSValue::GetColorValue() const
|
|
{
|
|
MOZ_ASSERT(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)
|
|
{
|
|
RefPtr<nsCSSValue::Array> 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;
|
|
MOZ_ASSERT(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<nsStringBuffer>
|
|
nsCSSValue::BufferFromString(const nsString& aValue)
|
|
{
|
|
RefPtr<nsStringBuffer> 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.
|
|
size_t sz = (length + 1) * sizeof(char16_t);
|
|
buffer = nsStringBuffer::Alloc(sz);
|
|
if (MOZ_UNLIKELY(!buffer)) {
|
|
NS_ABORT_OOM(sz);
|
|
}
|
|
|
|
char16_t* data = static_cast<char16_t*>(buffer->Data());
|
|
nsCharTraits<char16_t>::copy(data, aValue.get(), length);
|
|
// Null-terminate.
|
|
data[length] = 0;
|
|
return buffer.forget();
|
|
}
|
|
|
|
void
|
|
nsCSSValue::AtomizeIdentValue()
|
|
{
|
|
MOZ_ASSERT(mUnit == eCSSUnit_Ident);
|
|
nsCOMPtr<nsIAtom> atom = NS_Atomize(GetStringBufferValue());
|
|
Reset();
|
|
mUnit = eCSSUnit_AtomIdent;
|
|
mValue.mAtom = atom.forget().take();
|
|
}
|
|
|
|
namespace {
|
|
|
|
struct CSSValueSerializeCalcOps {
|
|
CSSValueSerializeCalcOps(nsCSSPropertyID 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)
|
|
{
|
|
MOZ_ASSERT(aValue.GetUnit() == eCSSUnit_Percent ||
|
|
aValue.IsLengthUnit() ||
|
|
aValue.GetUnit() == eCSSUnit_Number,
|
|
"unexpected unit");
|
|
aValue.AppendToString(mProperty, mResult, mValueSerialization);
|
|
}
|
|
|
|
void AppendCoefficient(const input_type& aValue)
|
|
{
|
|
MOZ_ASSERT(aValue.GetUnit() == eCSSUnit_Number, "unexpected unit");
|
|
aValue.AppendToString(mProperty, mResult, mValueSerialization);
|
|
}
|
|
|
|
private:
|
|
nsCSSPropertyID mProperty;
|
|
nsAString &mResult;
|
|
nsCSSValue::Serialization mValueSerialization;
|
|
};
|
|
|
|
} // namespace
|
|
|
|
void
|
|
nsCSSValue::AppendPolygonToString(nsCSSPropertyID aProperty, nsAString& aResult,
|
|
Serialization aSerialization) const
|
|
{
|
|
const nsCSSValue::Array* array = GetArrayValue();
|
|
MOZ_ASSERT(array->Count() > 1 && array->Count() <= 3,
|
|
"Polygons must have name and at least one more value.");
|
|
// When the array has 2 elements, the item on index 1 is the coordinate
|
|
// pair list.
|
|
// When the array has 3 elements, the item on index 1 is a fill-rule
|
|
// and item on index 2 is the coordinate pair list.
|
|
size_t index = 1;
|
|
if (array->Count() == 3) {
|
|
const nsCSSValue& fillRuleValue = array->Item(index);
|
|
MOZ_ASSERT(fillRuleValue.GetUnit() == eCSSUnit_Enumerated,
|
|
"Expected polygon fill rule.");
|
|
int32_t fillRule = fillRuleValue.GetIntValue();
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(fillRule,
|
|
nsCSSProps::kFillRuleKTable),
|
|
aResult);
|
|
aResult.AppendLiteral(", ");
|
|
++index;
|
|
}
|
|
array->Item(index).AppendToString(aProperty, aResult, aSerialization);
|
|
}
|
|
|
|
inline void
|
|
nsCSSValue::AppendPositionCoordinateToString(
|
|
const nsCSSValue& aValue, nsCSSPropertyID aProperty,
|
|
nsAString& aResult, Serialization aSerialization) const
|
|
{
|
|
if (aValue.GetUnit() == eCSSUnit_Enumerated) {
|
|
int32_t intValue = aValue.GetIntValue();
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(intValue,
|
|
nsCSSProps::kShapeRadiusKTable), aResult);
|
|
} else {
|
|
aValue.AppendToString(aProperty, aResult, aSerialization);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsCSSValue::AppendCircleOrEllipseToString(nsCSSKeyword aFunctionId,
|
|
nsCSSPropertyID aProperty,
|
|
nsAString& aResult,
|
|
Serialization aSerialization) const
|
|
{
|
|
const nsCSSValue::Array* array = GetArrayValue();
|
|
size_t count = aFunctionId == eCSSKeyword_circle ? 2 : 3;
|
|
MOZ_ASSERT(array->Count() == count + 1, "wrong number of arguments");
|
|
|
|
bool hasRadii = array->Item(1).GetUnit() != eCSSUnit_Null;
|
|
|
|
// closest-side is the default, so we don't need to
|
|
// output it if all values are closest-side.
|
|
if (array->Item(1).GetUnit() == eCSSUnit_Enumerated &&
|
|
StyleShapeRadius(array->Item(1).GetIntValue()) == StyleShapeRadius::ClosestSide &&
|
|
(aFunctionId == eCSSKeyword_circle ||
|
|
(array->Item(2).GetUnit() == eCSSUnit_Enumerated &&
|
|
StyleShapeRadius(array->Item(2).GetIntValue()) == StyleShapeRadius::ClosestSide))) {
|
|
hasRadii = false;
|
|
} else {
|
|
AppendPositionCoordinateToString(array->Item(1), aProperty,
|
|
aResult, aSerialization);
|
|
|
|
if (hasRadii && aFunctionId == eCSSKeyword_ellipse) {
|
|
aResult.Append(' ');
|
|
AppendPositionCoordinateToString(array->Item(2), aProperty,
|
|
aResult, aSerialization);
|
|
}
|
|
}
|
|
|
|
if (hasRadii) {
|
|
aResult.Append(' ');
|
|
}
|
|
|
|
// Any position specified?
|
|
if (array->Item(count).GetUnit() != eCSSUnit_Array) {
|
|
MOZ_ASSERT(array->Item(count).GetUnit() == eCSSUnit_Null,
|
|
"unexpected value");
|
|
// We only serialize to the 2 or 4 value form
|
|
// |circle()| is valid, but should be expanded
|
|
// to |circle(at 50% 50%)|
|
|
aResult.AppendLiteral("at 50% 50%");
|
|
return;
|
|
}
|
|
|
|
aResult.AppendLiteral("at ");
|
|
array->Item(count).AppendBasicShapePositionToString(aResult, aSerialization);
|
|
}
|
|
|
|
// https://drafts.csswg.org/css-shapes/#basic-shape-serialization
|
|
// basic-shape asks us to omit a lot of redundant things whilst serializing
|
|
// position values. Other specs are not clear about this
|
|
// (https://github.com/w3c/csswg-drafts/issues/368), so for now we special-case
|
|
// basic shapes only
|
|
void
|
|
nsCSSValue::AppendBasicShapePositionToString(nsAString& aResult,
|
|
Serialization aSerialization) const
|
|
{
|
|
const nsCSSValue::Array* array = GetArrayValue();
|
|
// We always parse these into an array of four elements
|
|
MOZ_ASSERT(array->Count() == 4,
|
|
"basic-shape position value doesn't have enough elements");
|
|
|
|
const nsCSSValue &xEdge = array->Item(0);
|
|
const nsCSSValue &xOffset = array->Item(1);
|
|
const nsCSSValue &yEdge = array->Item(2);
|
|
const nsCSSValue &yOffset = array->Item(3);
|
|
|
|
MOZ_ASSERT(xEdge.GetUnit() == eCSSUnit_Enumerated &&
|
|
yEdge.GetUnit() == eCSSUnit_Enumerated &&
|
|
xOffset.IsLengthPercentCalcUnit() &&
|
|
yOffset.IsLengthPercentCalcUnit() &&
|
|
xEdge.GetIntValue() != NS_STYLE_IMAGELAYER_POSITION_CENTER &&
|
|
yEdge.GetIntValue() != NS_STYLE_IMAGELAYER_POSITION_CENTER,
|
|
"Ensure invariants from ParsePositionValueBasicShape "
|
|
"haven't been modified");
|
|
if (xEdge.GetIntValue() == NS_STYLE_IMAGELAYER_POSITION_LEFT &&
|
|
yEdge.GetIntValue() == NS_STYLE_IMAGELAYER_POSITION_TOP) {
|
|
// We can omit these defaults
|
|
xOffset.AppendToString(eCSSProperty_UNKNOWN, aResult, aSerialization);
|
|
aResult.Append(' ');
|
|
yOffset.AppendToString(eCSSProperty_UNKNOWN, aResult, aSerialization);
|
|
} else {
|
|
// We only serialize to the two or four valued form
|
|
xEdge.AppendToString(eCSSProperty_object_position, aResult, aSerialization);
|
|
aResult.Append(' ');
|
|
xOffset.AppendToString(eCSSProperty_UNKNOWN, aResult, aSerialization);
|
|
aResult.Append(' ');
|
|
yEdge.AppendToString(eCSSProperty_object_position, aResult, aSerialization);
|
|
aResult.Append(' ');
|
|
yOffset.AppendToString(eCSSProperty_UNKNOWN, aResult, aSerialization);
|
|
}
|
|
}
|
|
|
|
// Helper to append |aString| with the shorthand sides notation used in e.g.
|
|
// 'padding'. |aProperties| and |aValues| are expected to have 4 elements.
|
|
/*static*/ void
|
|
nsCSSValue::AppendSidesShorthandToString(const nsCSSPropertyID aProperties[],
|
|
const nsCSSValue* aValues[],
|
|
nsAString& aString,
|
|
nsCSSValue::Serialization
|
|
aSerialization)
|
|
{
|
|
const nsCSSValue& value1 = *aValues[0];
|
|
const nsCSSValue& value2 = *aValues[1];
|
|
const nsCSSValue& value3 = *aValues[2];
|
|
const nsCSSValue& value4 = *aValues[3];
|
|
|
|
MOZ_ASSERT(value1.GetUnit() != eCSSUnit_Null, "null value 1");
|
|
value1.AppendToString(aProperties[0], aString, aSerialization);
|
|
if (value1 != value2 || value1 != value3 || value1 != value4) {
|
|
aString.Append(char16_t(' '));
|
|
MOZ_ASSERT(value2.GetUnit() != eCSSUnit_Null, "null value 2");
|
|
value2.AppendToString(aProperties[1], aString, aSerialization);
|
|
if (value1 != value3 || value2 != value4) {
|
|
aString.Append(char16_t(' '));
|
|
MOZ_ASSERT(value3.GetUnit() != eCSSUnit_Null, "null value 3");
|
|
value3.AppendToString(aProperties[2], aString, aSerialization);
|
|
if (value2 != value4) {
|
|
aString.Append(char16_t(' '));
|
|
MOZ_ASSERT(value4.GetUnit() != eCSSUnit_Null, "null value 4");
|
|
value4.AppendToString(aProperties[3], aString, aSerialization);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*static*/ void
|
|
nsCSSValue::AppendBasicShapeRadiusToString(const nsCSSPropertyID aProperties[],
|
|
const nsCSSValue* aValues[],
|
|
nsAString& aResult,
|
|
Serialization aSerialization)
|
|
{
|
|
bool needY = false;
|
|
const nsCSSValue* xVals[4];
|
|
const nsCSSValue* yVals[4];
|
|
for (int i = 0; i < 4; i++) {
|
|
if (aValues[i]->GetUnit() == eCSSUnit_Pair) {
|
|
needY = true;
|
|
xVals[i] = &aValues[i]->GetPairValue().mXValue;
|
|
yVals[i] = &aValues[i]->GetPairValue().mYValue;
|
|
} else {
|
|
xVals[i] = yVals[i] = aValues[i];
|
|
}
|
|
}
|
|
|
|
AppendSidesShorthandToString(aProperties, xVals, aResult, aSerialization);
|
|
if (needY) {
|
|
aResult.AppendLiteral(" / ");
|
|
AppendSidesShorthandToString(aProperties, yVals, aResult, aSerialization);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsCSSValue::AppendInsetToString(nsCSSPropertyID aProperty, nsAString& aResult,
|
|
Serialization aSerialization) const
|
|
{
|
|
const nsCSSValue::Array* array = GetArrayValue();
|
|
MOZ_ASSERT(array->Count() == 6,
|
|
"inset function has wrong number of arguments");
|
|
if (array->Item(1).GetUnit() != eCSSUnit_Null) {
|
|
array->Item(1).AppendToString(aProperty, aResult, aSerialization);
|
|
if (array->Item(2).GetUnit() != eCSSUnit_Null) {
|
|
aResult.Append(' ');
|
|
array->Item(2).AppendToString(aProperty, aResult, aSerialization);
|
|
if (array->Item(3).GetUnit() != eCSSUnit_Null) {
|
|
aResult.Append(' ');
|
|
array->Item(3).AppendToString(aProperty, aResult, aSerialization);
|
|
if (array->Item(4).GetUnit() != eCSSUnit_Null) {
|
|
aResult.Append(' ');
|
|
array->Item(4).AppendToString(aProperty, aResult, aSerialization);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (array->Item(5).GetUnit() == eCSSUnit_Array) {
|
|
const nsCSSPropertyID* subprops =
|
|
nsCSSProps::SubpropertyEntryFor(eCSSProperty_border_radius);
|
|
const nsCSSValue::Array* radius = array->Item(5).GetArrayValue();
|
|
MOZ_ASSERT(radius->Count() == 4, "expected 4 radii values");
|
|
const nsCSSValue* vals[4] = {
|
|
&(radius->Item(0)),
|
|
&(radius->Item(1)),
|
|
&(radius->Item(2)),
|
|
&(radius->Item(3))
|
|
};
|
|
aResult.AppendLiteral(" round ");
|
|
AppendBasicShapeRadiusToString(subprops, vals, aResult,
|
|
aSerialization);
|
|
} else {
|
|
MOZ_ASSERT(array->Item(5).GetUnit() == eCSSUnit_Null,
|
|
"unexpected value");
|
|
}
|
|
}
|
|
|
|
/* static */ void
|
|
nsCSSValue::AppendAlignJustifyValueToString(int32_t aValue, nsAString& aResult)
|
|
{
|
|
auto legacy = aValue & NS_STYLE_ALIGN_LEGACY;
|
|
if (legacy) {
|
|
aValue &= ~legacy;
|
|
aResult.AppendLiteral("legacy ");
|
|
}
|
|
auto overflowPos = aValue & (NS_STYLE_ALIGN_SAFE | NS_STYLE_ALIGN_UNSAFE);
|
|
aValue &= ~overflowPos;
|
|
MOZ_ASSERT(!(aValue & NS_STYLE_ALIGN_FLAG_BITS),
|
|
"unknown bits in align/justify value");
|
|
MOZ_ASSERT((aValue != NS_STYLE_ALIGN_AUTO &&
|
|
aValue != NS_STYLE_ALIGN_NORMAL &&
|
|
aValue != NS_STYLE_ALIGN_BASELINE &&
|
|
aValue != NS_STYLE_ALIGN_LAST_BASELINE) ||
|
|
(!legacy && !overflowPos),
|
|
"auto/normal/baseline/'last baseline' never have any flags");
|
|
MOZ_ASSERT(legacy == 0 || overflowPos == 0,
|
|
"'legacy' together with <overflow-position>");
|
|
if (aValue == NS_STYLE_ALIGN_LAST_BASELINE) {
|
|
aResult.AppendLiteral("last ");
|
|
aValue = NS_STYLE_ALIGN_BASELINE;
|
|
}
|
|
const auto& kwtable(nsCSSProps::kAlignAllKeywords);
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(aValue, kwtable), aResult);
|
|
// Don't serialize the 'unsafe' keyword; it's the default.
|
|
if (MOZ_UNLIKELY(overflowPos == NS_STYLE_ALIGN_SAFE)) {
|
|
aResult.Append(' ');
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(overflowPos, kwtable),
|
|
aResult);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a re-ordered version of an csCSSValue::Array representing a shadow
|
|
* item (including a drop-shadow() filter function) suitable for serialization.
|
|
*/
|
|
static already_AddRefed<nsCSSValue::Array>
|
|
GetReorderedShadowArrayForSerialization(const nsCSSValue::Array* aOriginalArray)
|
|
{
|
|
MOZ_ASSERT(aOriginalArray);
|
|
|
|
RefPtr<nsCSSValue::Array> reorderArray = nsCSSValue::Array::Create(6);
|
|
|
|
reorderArray->Item(0) = aOriginalArray->Item(4); // Color
|
|
for (uint8_t i = 0; i < 4; i++) {
|
|
reorderArray->Item(i + 1) = aOriginalArray->Item(i); // Length
|
|
}
|
|
reorderArray->Item(5) = aOriginalArray->Item(5); // Inset
|
|
|
|
return reorderArray.forget();
|
|
}
|
|
|
|
void
|
|
nsCSSValue::AppendToString(nsCSSPropertyID aProperty, nsAString& aResult,
|
|
Serialization aSerialization) const
|
|
{
|
|
// eCSSProperty_UNKNOWN gets used for some recursive calls below.
|
|
MOZ_ASSERT((0 <= aProperty &&
|
|
aProperty <= eCSSProperty_COUNT_no_shorthands) ||
|
|
aProperty == eCSSProperty_UNKNOWN ||
|
|
aProperty == eCSSProperty_DOM,
|
|
"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 {
|
|
nsStyleUtil::AppendEscapedCSSIdent(buffer, aResult);
|
|
}
|
|
}
|
|
else if (eCSSUnit_Array <= unit && unit <= eCSSUnit_Symbols) {
|
|
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;
|
|
case eCSSUnit_Symbols: aResult.AppendLiteral("symbols("); break;
|
|
default: break;
|
|
}
|
|
|
|
nsCSSValue::Array *array = GetArrayValue();
|
|
|
|
// CSSParserImpl::ParseShadowItem stores shadow items in a specific order
|
|
// that does not match the order we use when serializing computed shadow
|
|
// items. In order to match the computed value order, we shuffle the items
|
|
// in the shadow array before serializing it.
|
|
RefPtr<nsCSSValue::Array> reordered;
|
|
if (aProperty == eCSSProperty_text_shadow ||
|
|
aProperty == eCSSProperty_box_shadow ||
|
|
aProperty == eCSSProperty_filter) {
|
|
reordered = GetReorderedShadowArrayForSerialization(array);
|
|
array = reordered.get();
|
|
}
|
|
|
|
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) ||
|
|
unit == eCSSUnit_Symbols)
|
|
aResult.Append(' ');
|
|
else if (unit != eCSSUnit_Steps)
|
|
aResult.AppendLiteral(", ");
|
|
}
|
|
if (unit == eCSSUnit_Steps && i == 1) {
|
|
MOZ_ASSERT(array->Item(i).GetUnit() == eCSSUnit_Enumerated,
|
|
"unexpected value");
|
|
int32_t side = array->Item(i).GetIntValue();
|
|
MOZ_ASSERT(side == NS_STYLE_TRANSITION_TIMING_FUNCTION_STEP_START ||
|
|
side == NS_STYLE_TRANSITION_TIMING_FUNCTION_STEP_END ||
|
|
side == -1,
|
|
"unexpected value");
|
|
if (side == NS_STYLE_TRANSITION_TIMING_FUNCTION_STEP_START) {
|
|
aResult.AppendLiteral(", start");
|
|
} else if (side == NS_STYLE_TRANSITION_TIMING_FUNCTION_STEP_END) {
|
|
aResult.AppendLiteral(", end");
|
|
}
|
|
continue;
|
|
}
|
|
if (unit == eCSSUnit_Symbols && i == 0) {
|
|
MOZ_ASSERT(array->Item(i).GetUnit() == eCSSUnit_Enumerated,
|
|
"unexpected value");
|
|
int32_t system = array->Item(i).GetIntValue();
|
|
if (system != NS_STYLE_COUNTER_SYSTEM_SYMBOLIC) {
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(
|
|
system, nsCSSProps::kCounterSystemKTable), aResult);
|
|
mark = true;
|
|
}
|
|
continue;
|
|
}
|
|
nsCSSPropertyID 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.Append(')');
|
|
}
|
|
}
|
|
/* 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();
|
|
MOZ_ASSERT(array->Count() >= 1,
|
|
"Functions must have at least one element for the name.");
|
|
|
|
const nsCSSValue& functionName = array->Item(0);
|
|
MOZ_ASSERT(functionName.GetUnit() == eCSSUnit_Enumerated,
|
|
"Functions must have an enumerated name.");
|
|
// The first argument is always of nsCSSKeyword type.
|
|
const nsCSSKeyword functionId = functionName.GetKeywordValue();
|
|
|
|
// minmax(auto, <flex>) is equivalent to (and is our internal representation
|
|
// of) <flex>, and both are serialized as <flex>
|
|
if (functionId == eCSSKeyword_minmax &&
|
|
array->Count() == 3 &&
|
|
array->Item(1).GetUnit() == eCSSUnit_Auto &&
|
|
array->Item(2).GetUnit() == eCSSUnit_FlexFraction) {
|
|
array->Item(2).AppendToString(aProperty, aResult, aSerialization);
|
|
MOZ_ASSERT(aProperty == eCSSProperty_grid_template_columns ||
|
|
aProperty == eCSSProperty_grid_template_rows ||
|
|
aProperty == eCSSProperty_grid_auto_columns ||
|
|
aProperty == eCSSProperty_grid_auto_rows);
|
|
return;
|
|
}
|
|
|
|
/* Append the function name. */
|
|
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);
|
|
aResult.Append('(');
|
|
|
|
switch (functionId) {
|
|
case eCSSKeyword_polygon:
|
|
AppendPolygonToString(aProperty, aResult, aSerialization);
|
|
break;
|
|
|
|
case eCSSKeyword_circle:
|
|
case eCSSKeyword_ellipse:
|
|
AppendCircleOrEllipseToString(functionId, aProperty, aResult,
|
|
aSerialization);
|
|
break;
|
|
|
|
case eCSSKeyword_inset:
|
|
AppendInsetToString(aProperty, aResult, aSerialization);
|
|
break;
|
|
|
|
default: {
|
|
// 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.Append(')');
|
|
}
|
|
else if (IsCalcUnit()) {
|
|
MOZ_ASSERT(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_upright:
|
|
if (intValue <= NS_STYLE_TEXT_COMBINE_UPRIGHT_ALL) {
|
|
AppendASCIItoUTF16(nsCSSProps::LookupPropertyValue(aProperty, intValue),
|
|
aResult);
|
|
} else if (intValue == NS_STYLE_TEXT_COMBINE_UPRIGHT_DIGITS_2) {
|
|
aResult.AppendLiteral("digits 2");
|
|
} else if (intValue == NS_STYLE_TEXT_COMBINE_UPRIGHT_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_BLINK,
|
|
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<uint8_t>(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_ROW,
|
|
NS_STYLE_GRID_AUTO_FLOW_DENSE,
|
|
aResult);
|
|
break;
|
|
|
|
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_NONE,
|
|
NS_STYLE_TOUCH_ACTION_MANIPULATION,
|
|
aResult);
|
|
break;
|
|
|
|
case eCSSProperty_clip_path:
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(intValue,
|
|
nsCSSProps::kClipPathGeometryBoxKTable),
|
|
aResult);
|
|
break;
|
|
|
|
case eCSSProperty_shape_outside:
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(intValue,
|
|
nsCSSProps::kShapeOutsideShapeBoxKTable),
|
|
aResult);
|
|
break;
|
|
|
|
case eCSSProperty_contain:
|
|
if (intValue & NS_STYLE_CONTAIN_STRICT) {
|
|
NS_ASSERTION(intValue == (NS_STYLE_CONTAIN_STRICT | NS_STYLE_CONTAIN_ALL_BITS),
|
|
"contain: strict should imply contain: layout style paint");
|
|
// Only output strict.
|
|
intValue = NS_STYLE_CONTAIN_STRICT;
|
|
}
|
|
nsStyleUtil::AppendBitmaskCSSValue(aProperty,
|
|
intValue,
|
|
NS_STYLE_CONTAIN_STRICT,
|
|
NS_STYLE_CONTAIN_PAINT,
|
|
aResult);
|
|
break;
|
|
|
|
case eCSSProperty_align_content:
|
|
case eCSSProperty_justify_content: {
|
|
AppendAlignJustifyValueToString(intValue & NS_STYLE_ALIGN_ALL_BITS, aResult);
|
|
auto fallback = intValue >> NS_STYLE_ALIGN_ALL_SHIFT;
|
|
if (fallback) {
|
|
MOZ_ASSERT(nsCSSProps::ValueToKeywordEnum(fallback & ~NS_STYLE_ALIGN_FLAG_BITS,
|
|
nsCSSProps::kAlignSelfPosition)
|
|
!= eCSSKeyword_UNKNOWN, "unknown fallback value");
|
|
aResult.Append(' ');
|
|
AppendAlignJustifyValueToString(fallback, aResult);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case eCSSProperty_align_items:
|
|
case eCSSProperty_align_self:
|
|
case eCSSProperty_justify_items:
|
|
case eCSSProperty_justify_self:
|
|
AppendAlignJustifyValueToString(intValue, aResult);
|
|
break;
|
|
|
|
case eCSSProperty_text_emphasis_position: {
|
|
nsStyleUtil::AppendBitmaskCSSValue(aProperty, intValue,
|
|
NS_STYLE_TEXT_EMPHASIS_POSITION_OVER,
|
|
NS_STYLE_TEXT_EMPHASIS_POSITION_RIGHT,
|
|
aResult);
|
|
break;
|
|
}
|
|
|
|
case eCSSProperty_text_emphasis_style: {
|
|
auto fill = intValue & NS_STYLE_TEXT_EMPHASIS_STYLE_FILL_MASK;
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(
|
|
fill, nsCSSProps::kTextEmphasisStyleFillKTable), aResult);
|
|
aResult.Append(' ');
|
|
auto shape = intValue & NS_STYLE_TEXT_EMPHASIS_STYLE_SHAPE_MASK;
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(
|
|
shape, nsCSSProps::kTextEmphasisStyleShapeKTable), aResult);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
const nsCString& 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 {
|
|
MOZ_ASSERT(false, "bad color value");
|
|
}
|
|
}
|
|
else if (IsNumericColorUnit(unit)) {
|
|
nscolor color = GetColorValue();
|
|
// For brevity, we omit the alpha component if it's equal to 255 (full
|
|
// opaque). Also, we use "rgba" rather than "rgb" when the color includes
|
|
// the non-opaque alpha value, for backwards-compat (even though they're
|
|
// aliases as of css-color-4).
|
|
// e.g.:
|
|
// rgba(1, 2, 3, 1.0) => rgb(1, 2, 3)
|
|
// rgba(1, 2, 3, 0.5) => rgba(1, 2, 3, 0.5)
|
|
|
|
uint8_t a = NS_GET_A(color);
|
|
bool showAlpha = (a != 255);
|
|
|
|
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_ComplexColor == unit) {
|
|
StyleComplexColor color = GetStyleComplexColorValue();
|
|
nsCSSValue serializable;
|
|
if (color.IsCurrentColor()) {
|
|
serializable.SetIntValue(NS_COLOR_CURRENTCOLOR, eCSSUnit_EnumColor);
|
|
} else if (color.IsNumericColor()) {
|
|
serializable.SetColorValue(color.mColor);
|
|
} else {
|
|
MOZ_ASSERT_UNREACHABLE("Cannot serialize a complex color");
|
|
}
|
|
serializable.AppendToString(aProperty, aResult, aSerialization);
|
|
}
|
|
else if (eCSSUnit_URL == unit || eCSSUnit_Image == unit) {
|
|
aResult.AppendLiteral("url(");
|
|
nsStyleUtil::AppendEscapedCSSString(
|
|
nsDependentString(GetOriginalURLValue()), aResult);
|
|
aResult.Append(')');
|
|
}
|
|
else if (eCSSUnit_Element == unit) {
|
|
aResult.AppendLiteral("-moz-element(#");
|
|
nsAutoString tmpStr;
|
|
GetStringValue(tmpStr);
|
|
nsStyleUtil::AppendEscapedCSSIdent(tmpStr, aResult);
|
|
aResult.Append(')');
|
|
}
|
|
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) {
|
|
if (gradient->mIsMozLegacySyntax) {
|
|
aResult.AppendLiteral("-moz-");
|
|
} else {
|
|
aResult.AppendLiteral("-webkit-");
|
|
}
|
|
}
|
|
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) {
|
|
MOZ_ASSERT(gradient->GetRadialShape().GetUnit() ==
|
|
eCSSUnit_Enumerated,
|
|
"bad unit for radial gradient shape");
|
|
int32_t intValue = gradient->GetRadialShape().GetIntValue();
|
|
MOZ_ASSERT(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.Append(' ');
|
|
}
|
|
MOZ_ASSERT(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 {
|
|
MOZ_ASSERT(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.Append(' ');
|
|
gradient->GetRadiusY().AppendToString(aProperty, aResult,
|
|
aSerialization);
|
|
}
|
|
needSep = true;
|
|
}
|
|
}
|
|
if (!gradient->mIsRadial &&
|
|
!(gradient->mIsLegacySyntax && gradient->mIsMozLegacySyntax)) {
|
|
if (gradient->mBgPos.mXValue.GetUnit() != eCSSUnit_None ||
|
|
gradient->mBgPos.mYValue.GetUnit() != eCSSUnit_None) {
|
|
MOZ_ASSERT(gradient->mAngle.GetUnit() == eCSSUnit_None);
|
|
MOZ_ASSERT(gradient->mBgPos.mXValue.GetUnit() == eCSSUnit_Enumerated &&
|
|
gradient->mBgPos.mYValue.GetUnit() == eCSSUnit_Enumerated,
|
|
"unexpected unit");
|
|
if (!gradient->mIsLegacySyntax) {
|
|
aResult.AppendLiteral("to ");
|
|
}
|
|
bool didAppendX = false;
|
|
if (!(gradient->mBgPos.mXValue.GetIntValue() & NS_STYLE_IMAGELAYER_POSITION_CENTER)) {
|
|
gradient->mBgPos.mXValue.AppendToString(eCSSProperty_background_position_x,
|
|
aResult, aSerialization);
|
|
didAppendX = true;
|
|
}
|
|
if (!(gradient->mBgPos.mYValue.GetIntValue() & NS_STYLE_IMAGELAYER_POSITION_CENTER)) {
|
|
if (didAppendX) {
|
|
// We're appending both an x-keyword and a y-keyword.
|
|
// Add a space between them here.
|
|
aResult.Append(' ');
|
|
}
|
|
gradient->mBgPos.mYValue.AppendToString(eCSSProperty_background_position_y,
|
|
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.Append(' ');
|
|
}
|
|
if (gradient->mIsRadial && !gradient->mIsLegacySyntax) {
|
|
aResult.AppendLiteral("at ");
|
|
}
|
|
if (gradient->mBgPos.mXValue.GetUnit() != eCSSUnit_None) {
|
|
gradient->mBgPos.mXValue.AppendToString(eCSSProperty_background_position_x,
|
|
aResult, aSerialization);
|
|
aResult.Append(' ');
|
|
}
|
|
if (gradient->mBgPos.mYValue.GetUnit() != eCSSUnit_None) {
|
|
gradient->mBgPos.mYValue.AppendToString(eCSSProperty_background_position_y,
|
|
aResult, aSerialization);
|
|
aResult.Append(' ');
|
|
}
|
|
if (gradient->mAngle.GetUnit() != eCSSUnit_None) {
|
|
MOZ_ASSERT(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) {
|
|
MOZ_ASSERT(gradient->GetRadialShape().GetUnit() == eCSSUnit_Enumerated,
|
|
"bad unit for radial gradient shape");
|
|
int32_t intValue = gradient->GetRadialShape().GetIntValue();
|
|
MOZ_ASSERT(intValue != NS_STYLE_GRADIENT_SHAPE_LINEAR,
|
|
"radial gradient with linear shape?!");
|
|
AppendASCIItoUTF16(nsCSSProps::ValueToKeyword(intValue,
|
|
nsCSSProps::kRadialGradientShapeKTable),
|
|
aResult);
|
|
aResult.Append(' ');
|
|
}
|
|
|
|
if (gradient->GetRadialSize().GetUnit() != eCSSUnit_None) {
|
|
MOZ_ASSERT(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 ;;) {
|
|
bool isInterpolationHint = gradient->mStops[i].mIsInterpolationHint;
|
|
if (!isInterpolationHint) {
|
|
gradient->mStops[i].mColor.AppendToString(aProperty, aResult,
|
|
aSerialization);
|
|
}
|
|
if (gradient->mStops[i].mLocation.GetUnit() != eCSSUnit_None) {
|
|
if (!isInterpolationHint) {
|
|
aResult.Append(' ');
|
|
}
|
|
gradient->mStops[i].mLocation.AppendToString(aProperty, aResult,
|
|
aSerialization);
|
|
}
|
|
if (++i == gradient->mStops.Length()) {
|
|
break;
|
|
}
|
|
aResult.AppendLiteral(", ");
|
|
}
|
|
|
|
aResult.Append(')');
|
|
} else if (eCSSUnit_TokenStream == unit) {
|
|
nsCSSPropertyID 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. We also need to
|
|
// serialize -x-system-font's token stream value, even though the
|
|
// value is set through the font shorthand. This serialization
|
|
// of -x-system-font is needed when we need to output the
|
|
// 'font' shorthand followed by a number of overriding font
|
|
// longhand components.
|
|
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();
|
|
AutoTArray<gfxAlternateValue,8> altValues;
|
|
|
|
nsStyleUtil::ComputeFunctionalAlternates(list, altValues);
|
|
nsStyleUtil::SerializeFunctionalAlternates(altValues, out);
|
|
aResult.Append(out);
|
|
} 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) {
|
|
const mozilla::css::GridTemplateAreasValue* areas = GetGridTemplateAreas();
|
|
MOZ_ASSERT(!areas->mTemplates.IsEmpty(),
|
|
"Unexpected empty array in GridTemplateAreasValue");
|
|
nsStyleUtil::AppendEscapedCSSString(areas->mTemplates[0], aResult);
|
|
for (uint32_t i = 1; i < areas->mTemplates.Length(); i++) {
|
|
aResult.Append(char16_t(' '));
|
|
nsStyleUtil::AppendEscapedCSSString(areas->mTemplates[i], aResult);
|
|
}
|
|
} else if (eCSSUnit_FontFamilyList == unit) {
|
|
nsStyleUtil::AppendEscapedCSSFontFamilyList(*mValue.mFontFamilyList,
|
|
aResult);
|
|
} else if (eCSSUnit_AtomIdent == unit) {
|
|
nsDependentAtomString buffer(GetAtomValue());
|
|
nsStyleUtil::AppendEscapedCSSIdent(buffer, aResult);
|
|
}
|
|
|
|
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:
|
|
MOZ_ASSERT(false, "should never serialize");
|
|
break;
|
|
|
|
case eCSSUnit_FontFamilyList: break;
|
|
case eCSSUnit_String: break;
|
|
case eCSSUnit_Ident: break;
|
|
case eCSSUnit_AtomIdent: 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_Symbols:
|
|
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_HexColorAlpha: break;
|
|
case eCSSUnit_ShortHexColorAlpha: break;
|
|
case eCSSUnit_PercentageRGBColor: break;
|
|
case eCSSUnit_PercentageRGBAColor: break;
|
|
case eCSSUnit_HSLColor: break;
|
|
case eCSSUnit_HSLAColor: break;
|
|
case eCSSUnit_ComplexColor: 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_Quarter: aResult.AppendLiteral("q"); 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_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_Symbols:
|
|
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;
|
|
|
|
case eCSSUnit_FontFamilyList:
|
|
n += mValue.mFontFamilyList->SizeOfIncludingThis(aMallocSizeOf);
|
|
break;
|
|
|
|
// Atom is always shared, and thus should not be counted.
|
|
case eCSSUnit_AtomIdent:
|
|
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:
|
|
case eCSSUnit_HexColorAlpha:
|
|
case eCSSUnit_ShortHexColorAlpha:
|
|
break;
|
|
|
|
// Float Color
|
|
case eCSSUnit_PercentageRGBColor:
|
|
case eCSSUnit_PercentageRGBAColor:
|
|
case eCSSUnit_HSLColor:
|
|
case eCSSUnit_HSLAColor:
|
|
n += mValue.mFloatColor->SizeOfIncludingThis(aMallocSizeOf);
|
|
break;
|
|
|
|
// Complex Color
|
|
case eCSSUnit_ComplexColor:
|
|
n += mValue.mComplexColor->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_Quarter:
|
|
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:
|
|
MOZ_ASSERT(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;
|
|
}
|
|
|
|
MOZ_ASSERT(result, "shouldn't return null; supposed to be infallible");
|
|
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,
|
|
nsCSSPropertyID 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,
|
|
nsCSSPropertyID aProperty, nsAString& aResult,
|
|
nsCSSValue::Serialization aSerialization)
|
|
{
|
|
// This is called for the "list" that's the top-level value of the property.
|
|
bool isSubgrid = false;
|
|
for (;;) {
|
|
bool addSpaceSeparator = true;
|
|
nsCSSUnit unit = val->mValue.GetUnit();
|
|
|
|
if (unit == eCSSUnit_Enumerated &&
|
|
val->mValue.GetIntValue() == NS_STYLE_GRID_TEMPLATE_SUBGRID) {
|
|
MOZ_ASSERT(!isSubgrid, "saw subgrid once already");
|
|
isSubgrid = true;
|
|
aResult.AppendLiteral("subgrid");
|
|
|
|
} else if (unit == eCSSUnit_Pair) {
|
|
// This is a repeat 'auto-fill' / 'auto-fit'.
|
|
const nsCSSValuePair& pair = val->mValue.GetPairValue();
|
|
switch (pair.mXValue.GetIntValue()) {
|
|
case NS_STYLE_GRID_REPEAT_AUTO_FILL:
|
|
aResult.AppendLiteral("repeat(auto-fill, ");
|
|
break;
|
|
case NS_STYLE_GRID_REPEAT_AUTO_FIT:
|
|
aResult.AppendLiteral("repeat(auto-fit, ");
|
|
break;
|
|
default:
|
|
MOZ_ASSERT_UNREACHABLE("unexpected enum value");
|
|
}
|
|
const nsCSSValueList* repeatList = pair.mYValue.GetListValue();
|
|
if (repeatList->mValue.GetUnit() != eCSSUnit_Null) {
|
|
aResult.Append('[');
|
|
AppendValueListToString(repeatList->mValue.GetListValue(), aProperty,
|
|
aResult, aSerialization);
|
|
aResult.Append(']');
|
|
if (!isSubgrid) {
|
|
aResult.Append(' ');
|
|
}
|
|
} else if (isSubgrid) {
|
|
aResult.AppendLiteral("[]");
|
|
}
|
|
if (!isSubgrid) {
|
|
repeatList = repeatList->mNext;
|
|
repeatList->mValue.AppendToString(aProperty, aResult, aSerialization);
|
|
repeatList = repeatList->mNext;
|
|
if (repeatList->mValue.GetUnit() != eCSSUnit_Null) {
|
|
aResult.AppendLiteral(" [");
|
|
AppendValueListToString(repeatList->mValue.GetListValue(), aProperty,
|
|
aResult, aSerialization);
|
|
aResult.Append(']');
|
|
}
|
|
}
|
|
aResult.Append(')');
|
|
|
|
} else if (unit == eCSSUnit_Null) {
|
|
// Empty or omitted <line-names>.
|
|
if (isSubgrid) {
|
|
aResult.AppendLiteral("[]");
|
|
} else {
|
|
// Serializes to nothing.
|
|
addSpaceSeparator = false; // Avoid a double space.
|
|
}
|
|
|
|
} else if (unit == eCSSUnit_List || unit == eCSSUnit_ListDep) {
|
|
// Non-empty <line-names>
|
|
aResult.Append('[');
|
|
AppendValueListToString(val->mValue.GetListValue(), aProperty,
|
|
aResult, aSerialization);
|
|
aResult.Append(']');
|
|
|
|
} else {
|
|
// <track-size>
|
|
val->mValue.AppendToString(aProperty, aResult, aSerialization);
|
|
if (!isSubgrid &&
|
|
val->mNext &&
|
|
val->mNext->mValue.GetUnit() == eCSSUnit_Null &&
|
|
!val->mNext->mNext) {
|
|
// Break out of the loop early to avoid a trailing space.
|
|
break;
|
|
}
|
|
}
|
|
|
|
val = val->mNext;
|
|
if (!val) {
|
|
break;
|
|
}
|
|
|
|
if (addSpaceSeparator) {
|
|
aResult.Append(char16_t(' '));
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsCSSValueList::AppendToString(nsCSSPropertyID 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);
|
|
}
|
|
}
|
|
|
|
/* static */ bool
|
|
nsCSSValueList::Equal(const nsCSSValueList* aList1,
|
|
const nsCSSValueList* aList2)
|
|
{
|
|
if (aList1 == aList2) {
|
|
return true;
|
|
}
|
|
|
|
const nsCSSValueList *p1 = aList1, *p2 = aList2;
|
|
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
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
n += aMallocSizeOf(this);
|
|
n += mValue.SizeOfExcludingThis(aMallocSizeOf);
|
|
n += mNext ? mNext->SizeOfIncludingThis(aMallocSizeOf) : 0;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
// --- nsCSSValueSharedList -----------------
|
|
|
|
nsCSSValueSharedList::~nsCSSValueSharedList()
|
|
{
|
|
if (mHead) {
|
|
NS_CSS_DELETE_LIST_MEMBER(nsCSSValueList, mHead, mNext);
|
|
delete mHead;
|
|
}
|
|
}
|
|
|
|
void
|
|
nsCSSValueSharedList::AppendToString(nsCSSPropertyID aProperty, nsAString& aResult,
|
|
nsCSSValue::Serialization aSerialization) const
|
|
{
|
|
if (mHead) {
|
|
mHead->AppendToString(aProperty, aResult, aSerialization);
|
|
}
|
|
}
|
|
|
|
bool
|
|
nsCSSValueSharedList::operator==(const nsCSSValueSharedList& aOther) const
|
|
{
|
|
return nsCSSValueList::Equal(mHead, aOther.mHead);
|
|
}
|
|
|
|
size_t
|
|
nsCSSValueSharedList::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
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(nsCSSPropertyID aProperty, nsAString& aResult,
|
|
nsCSSValue::Serialization aSerialization) const
|
|
{
|
|
MOZ_ASSERT(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) {
|
|
nsCSSPropertyID props[] = { aProperty, aProperty, aProperty, aProperty };
|
|
const nsCSSValue* values[] = { &mTop, &mRight, &mBottom, &mLeft };
|
|
nsCSSValue::AppendSidesShorthandToString(props, values,
|
|
aResult, aSerialization);
|
|
} else if (eCSSProperty_DOM == 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
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
n += aMallocSizeOf(this);
|
|
n += mTop .SizeOfExcludingThis(aMallocSizeOf);
|
|
n += mRight .SizeOfExcludingThis(aMallocSizeOf);
|
|
n += mBottom.SizeOfExcludingThis(aMallocSizeOf);
|
|
n += mLeft .SizeOfExcludingThis(aMallocSizeOf);
|
|
}
|
|
return n;
|
|
}
|
|
|
|
static_assert(eSideTop == 0 && eSideRight == 1 &&
|
|
eSideBottom == 2 && eSideLeft == 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(nsCSSPropertyID 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
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
n += aMallocSizeOf(this);
|
|
n += mXValue.SizeOfExcludingThis(aMallocSizeOf);
|
|
n += mYValue.SizeOfExcludingThis(aMallocSizeOf);
|
|
}
|
|
return n;
|
|
}
|
|
|
|
// --- nsCSSValueTriplet -----------------
|
|
|
|
void
|
|
nsCSSValueTriplet::AppendToString(nsCSSPropertyID 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
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
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;
|
|
}
|
|
|
|
MOZ_ASSERT(result, "shouldn't return null; supposed to be infallible");
|
|
return result;
|
|
}
|
|
|
|
void
|
|
nsCSSValuePairList::AppendToString(nsCSSPropertyID aProperty,
|
|
nsAString& aResult,
|
|
nsCSSValue::Serialization aSerialization) const
|
|
{
|
|
const nsCSSValuePairList* item = this;
|
|
for (;;) {
|
|
MOZ_ASSERT(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) ||
|
|
aProperty == eCSSProperty_clip_path ||
|
|
aProperty == eCSSProperty_shape_outside)
|
|
aResult.Append(char16_t(','));
|
|
aResult.Append(char16_t(' '));
|
|
}
|
|
}
|
|
|
|
/* static */ bool
|
|
nsCSSValuePairList::Equal(const nsCSSValuePairList* aList1,
|
|
const nsCSSValuePairList* aList2)
|
|
{
|
|
if (aList1 == aList2) {
|
|
return true;
|
|
}
|
|
|
|
const nsCSSValuePairList *p1 = aList1, *p2 = aList2;
|
|
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
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
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::URLValueData::URLValueData(already_AddRefed<PtrHolder<nsIURI>> aURI,
|
|
const nsAString& aString,
|
|
already_AddRefed<URLExtraData> aExtraData)
|
|
: mURI(Move(aURI))
|
|
, mString(aString)
|
|
, mExtraData(Move(aExtraData))
|
|
, mURIResolved(true)
|
|
{
|
|
MOZ_ASSERT(mExtraData);
|
|
MOZ_ASSERT(mExtraData->GetPrincipal());
|
|
}
|
|
|
|
css::URLValueData::URLValueData(const nsAString& aString,
|
|
already_AddRefed<URLExtraData> aExtraData)
|
|
: mString(aString)
|
|
, mExtraData(Move(aExtraData))
|
|
, mURIResolved(false)
|
|
{
|
|
MOZ_ASSERT(mExtraData);
|
|
MOZ_ASSERT(mExtraData->GetPrincipal());
|
|
}
|
|
|
|
bool
|
|
css::URLValueData::Equals(const URLValueData& aOther) const
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
bool eq;
|
|
const URLExtraData* self = mExtraData;
|
|
const URLExtraData* other = aOther.mExtraData;
|
|
return mString == aOther.mString &&
|
|
(GetURI() == aOther.GetURI() || // handles null == null
|
|
(mURI && aOther.mURI &&
|
|
NS_SUCCEEDED(mURI->Equals(aOther.mURI, &eq)) &&
|
|
eq)) &&
|
|
(self->BaseURI() == other->BaseURI() ||
|
|
(NS_SUCCEEDED(self->BaseURI()->Equals(other->BaseURI(), &eq)) &&
|
|
eq)) &&
|
|
(self->GetPrincipal() == other->GetPrincipal() ||
|
|
self->GetPrincipal()->Equals(other->GetPrincipal())) &&
|
|
IsLocalRef() == aOther.IsLocalRef();
|
|
}
|
|
|
|
bool
|
|
css::URLValueData::DefinitelyEqualURIs(const URLValueData& aOther) const
|
|
{
|
|
return mExtraData->BaseURI() == aOther.mExtraData->BaseURI() &&
|
|
mString == aOther.mString;
|
|
}
|
|
|
|
bool
|
|
css::URLValueData::DefinitelyEqualURIsAndPrincipal(
|
|
const URLValueData& aOther) const
|
|
{
|
|
return mExtraData->GetPrincipal() == aOther.mExtraData->GetPrincipal() &&
|
|
DefinitelyEqualURIs(aOther);
|
|
}
|
|
|
|
nsIURI*
|
|
css::URLValueData::GetURI() const
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
if (!mURIResolved) {
|
|
MOZ_ASSERT(!mURI);
|
|
nsCOMPtr<nsIURI> newURI;
|
|
NS_NewURI(getter_AddRefs(newURI),
|
|
NS_ConvertUTF16toUTF8(mString),
|
|
nullptr, mExtraData->BaseURI());
|
|
mURI = new PtrHolder<nsIURI>("URLValueData::mURI", newURI.forget());
|
|
mURIResolved = true;
|
|
}
|
|
|
|
return mURI;
|
|
}
|
|
|
|
bool
|
|
css::URLValueData::IsLocalRef() const
|
|
{
|
|
if (mIsLocalRef.isNothing()) {
|
|
// IsLocalRefURL is O(N), use it only when IsLocalRef is called.
|
|
mIsLocalRef.emplace(nsContentUtils::IsLocalRefURL(mString));
|
|
}
|
|
|
|
return mIsLocalRef.value();
|
|
}
|
|
|
|
bool
|
|
css::URLValueData::HasRef() const
|
|
{
|
|
bool result = false;
|
|
|
|
if (IsLocalRef()) {
|
|
result = true;
|
|
} else {
|
|
if (nsIURI* uri = GetURI()) {
|
|
nsAutoCString ref;
|
|
nsresult rv = uri->GetRef(ref);
|
|
if (NS_SUCCEEDED(rv) && !ref.IsEmpty()) {
|
|
result = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
mMightHaveRef = Some(result);
|
|
|
|
return result;
|
|
}
|
|
|
|
bool
|
|
css::URLValueData::MightHaveRef() const
|
|
{
|
|
if (mMightHaveRef.isNothing()) {
|
|
bool result = ::MightHaveRef(mString);
|
|
if (!ServoStyleSet::IsInServoTraversal()) {
|
|
// Can only cache the result if we're not on a style worker thread.
|
|
mMightHaveRef.emplace(result);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
return mMightHaveRef.value();
|
|
}
|
|
|
|
already_AddRefed<nsIURI>
|
|
css::URLValueData::ResolveLocalRef(nsIURI* aURI) const
|
|
{
|
|
nsCOMPtr<nsIURI> result = GetURI();
|
|
|
|
if (result && IsLocalRef()) {
|
|
nsCString ref;
|
|
mURI->GetRef(ref);
|
|
|
|
aURI->Clone(getter_AddRefs(result));
|
|
result->SetRef(ref);
|
|
}
|
|
|
|
return result.forget();
|
|
}
|
|
|
|
already_AddRefed<nsIURI>
|
|
css::URLValueData::ResolveLocalRef(nsIContent* aContent) const
|
|
{
|
|
nsCOMPtr<nsIURI> url = aContent->GetBaseURI();
|
|
return ResolveLocalRef(url);
|
|
}
|
|
|
|
void
|
|
css::URLValueData::GetSourceString(nsString& aRef) const
|
|
{
|
|
nsIURI* uri = GetURI();
|
|
if (!uri) {
|
|
aRef.Truncate();
|
|
return;
|
|
}
|
|
|
|
nsCString cref;
|
|
if (IsLocalRef()) {
|
|
// XXXheycam It's possible we can just return mString in this case, since
|
|
// it should be the "#fragment" string the URLValueData was created with.
|
|
uri->GetRef(cref);
|
|
cref.Insert('#', 0);
|
|
} else {
|
|
// It's not entirely clear how to best handle failure here. Ensuring the
|
|
// string is empty seems safest.
|
|
nsresult rv = uri->GetSpec(cref);
|
|
if (NS_FAILED(rv)) {
|
|
cref.Truncate();
|
|
}
|
|
}
|
|
|
|
aRef = NS_ConvertUTF8toUTF16(cref);
|
|
}
|
|
|
|
bool
|
|
css::URLValueData::EqualsExceptRef(nsIURI* aURI) const
|
|
{
|
|
nsIURI* uri = GetURI();
|
|
if (!uri) {
|
|
return false;
|
|
}
|
|
|
|
bool ret = false;
|
|
uri->EqualsExceptRef(aURI, &ret);
|
|
return ret;
|
|
}
|
|
|
|
size_t
|
|
css::URLValueData::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
size_t n = 0;
|
|
n += mString.SizeOfExcludingThisIfUnshared(aMallocSizeOf);
|
|
|
|
// Measurement of the following members may be added later if DMD finds it
|
|
// is worthwhile:
|
|
// - mURI
|
|
// - mExtraData
|
|
return n;
|
|
}
|
|
|
|
URLValue::URLValue(const nsAString& aString, nsIURI* aBaseURI, nsIURI* aReferrer,
|
|
nsIPrincipal* aOriginPrincipal)
|
|
: URLValueData(aString, do_AddRef(new URLExtraData(aBaseURI, aReferrer,
|
|
aOriginPrincipal)))
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
}
|
|
|
|
URLValue::URLValue(nsIURI* aURI, const nsAString& aString, nsIURI* aBaseURI,
|
|
nsIURI* aReferrer, nsIPrincipal* aOriginPrincipal)
|
|
: URLValueData(do_AddRef(new PtrHolder<nsIURI>("URLValueData::mURI", aURI)),
|
|
aString,
|
|
do_AddRef(new URLExtraData(aBaseURI, aReferrer,
|
|
aOriginPrincipal)))
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
}
|
|
|
|
size_t
|
|
css::URLValue::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
n += aMallocSizeOf(this);
|
|
n += URLValueData::SizeOfExcludingThis(aMallocSizeOf);
|
|
}
|
|
return n;
|
|
}
|
|
|
|
css::ImageValue::ImageValue(nsIURI* aURI, const nsAString& aString,
|
|
already_AddRefed<URLExtraData> aExtraData,
|
|
nsIDocument* aDocument)
|
|
: URLValueData(do_AddRef(new PtrHolder<nsIURI>("URLValueData::mURI", aURI)),
|
|
aString, Move(aExtraData))
|
|
{
|
|
Initialize(aDocument);
|
|
}
|
|
|
|
css::ImageValue::ImageValue(const nsAString& aString,
|
|
already_AddRefed<URLExtraData> aExtraData)
|
|
: URLValueData(aString, Move(aExtraData))
|
|
{
|
|
}
|
|
|
|
void
|
|
css::ImageValue::Initialize(nsIDocument* aDocument)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
// 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;
|
|
}
|
|
|
|
if (!mLoadedImage) {
|
|
loadingDoc->StyleImageLoader()->LoadImage(GetURI(),
|
|
mExtraData->GetPrincipal(),
|
|
mExtraData->GetReferrer(), this);
|
|
|
|
mLoadedImage = true;
|
|
}
|
|
|
|
aDocument->StyleImageLoader()->MaybeRegisterCSSImage(this);
|
|
}
|
|
|
|
css::ImageValue::~ImageValue()
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread() || mRequests.Count() == 0,
|
|
"Destructor should run on main thread, or on non-main thread "
|
|
"when mRequest is empty!");
|
|
|
|
for (auto iter = mRequests.Iter(); !iter.Done(); iter.Next()) {
|
|
nsIDocument* doc = iter.Key();
|
|
RefPtr<imgRequestProxy>& proxy = iter.Data();
|
|
|
|
if (doc) {
|
|
doc->StyleImageLoader()->DeregisterCSSImage(this);
|
|
}
|
|
|
|
if (proxy) {
|
|
proxy->CancelAndForgetObserver(NS_BINDING_ABORTED);
|
|
}
|
|
|
|
iter.Remove();
|
|
}
|
|
}
|
|
|
|
size_t
|
|
css::ComplexColorValue::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
n += aMallocSizeOf(this);
|
|
}
|
|
return n;
|
|
}
|
|
|
|
nsCSSValueGradientStop::nsCSSValueGradientStop()
|
|
: mLocation(eCSSUnit_None),
|
|
mColor(eCSSUnit_Null),
|
|
mIsInterpolationHint(false)
|
|
{
|
|
MOZ_COUNT_CTOR(nsCSSValueGradientStop);
|
|
}
|
|
|
|
nsCSSValueGradientStop::nsCSSValueGradientStop(const nsCSSValueGradientStop& aOther)
|
|
: mLocation(aOther.mLocation),
|
|
mColor(aOther.mColor),
|
|
mIsInterpolationHint(aOther.mIsInterpolationHint)
|
|
{
|
|
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),
|
|
mIsMozLegacySyntax(false),
|
|
mIsExplicitSize(false),
|
|
mBgPos(eCSSUnit_None),
|
|
mAngle(eCSSUnit_None)
|
|
{
|
|
mRadialValues[0].SetNoneValue();
|
|
mRadialValues[1].SetNoneValue();
|
|
}
|
|
|
|
size_t
|
|
nsCSSValueGradient::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
n += aMallocSizeOf(this);
|
|
n += mBgPos.SizeOfExcludingThis(aMallocSizeOf);
|
|
n += mAngle.SizeOfExcludingThis(aMallocSizeOf);
|
|
n += mRadialValues[0].SizeOfExcludingThis(aMallocSizeOf);
|
|
n += mRadialValues[1].SizeOfExcludingThis(aMallocSizeOf);
|
|
n += mStops.ShallowSizeOfExcludingThis(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)
|
|
, mLevel(SheetType::Count)
|
|
{}
|
|
|
|
nsCSSValueTokenStream::~nsCSSValueTokenStream()
|
|
{}
|
|
|
|
size_t
|
|
nsCSSValueTokenStream::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
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");
|
|
|
|
// We should clamp each component value since eCSSUnit_PercentageRGBColor
|
|
// and eCSSUnit_PercentageRGBAColor may store values greater than 1.0.
|
|
if (aUnit == eCSSUnit_PercentageRGBColor ||
|
|
aUnit == eCSSUnit_PercentageRGBAColor) {
|
|
return NS_RGBA(
|
|
// We need to clamp before multiplying by 255.0f to avoid overflow.
|
|
NSToIntRound(mozilla::clamped(mComponent1, 0.0f, 1.0f) * 255.0f),
|
|
NSToIntRound(mozilla::clamped(mComponent2, 0.0f, 1.0f) * 255.0f),
|
|
NSToIntRound(mozilla::clamped(mComponent3, 0.0f, 1.0f) * 255.0f),
|
|
NSToIntRound(mozilla::clamped(mAlpha, 0.0f, 1.0f) * 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
|
|
{
|
|
// Similar to the rgb()/rgba() case in nsCSSValue::AppendToString. We omit the
|
|
// alpha component if it's equal to 1.0f (full opaque). Also, we try to
|
|
// preserve the author-specified function name, unless it's rgba()/hsla() and
|
|
// we're omitting the alpha component - then we use rgb()/hsl().
|
|
MOZ_ASSERT(nsCSSValue::IsFloatColorUnit(aUnit), "unexpected unit");
|
|
|
|
bool showAlpha = (mAlpha != 1.0f);
|
|
bool isHSL = (aUnit == eCSSUnit_HSLColor ||
|
|
aUnit == eCSSUnit_HSLAColor);
|
|
|
|
if (isHSL) {
|
|
aResult.AppendLiteral("hsl");
|
|
} else {
|
|
aResult.AppendLiteral("rgb");
|
|
}
|
|
if (showAlpha && (aUnit == eCSSUnit_HSLAColor || aUnit == eCSSUnit_PercentageRGBAColor)) {
|
|
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 (showAlpha) {
|
|
aResult.AppendLiteral("%, ");
|
|
aResult.AppendFloat(mAlpha);
|
|
aResult.Append(')');
|
|
} else {
|
|
aResult.AppendLiteral("%)");
|
|
}
|
|
}
|
|
|
|
size_t
|
|
nsCSSValueFloatColor::SizeOfIncludingThis(
|
|
mozilla::MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
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(eCornerTopLeft == 0 && eCornerTopRight == 1 &&
|
|
eCornerBottomRight == 2 && eCornerBottomLeft == 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,
|
|
};
|
|
|
|
size_t
|
|
mozilla::css::GridTemplateAreasValue::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
|
|
{
|
|
// Only measure it if it's unshared, to avoid double-counting.
|
|
size_t n = 0;
|
|
if (mRefCnt <= 1) {
|
|
n += aMallocSizeOf(this);
|
|
n += mNamedAreas.ShallowSizeOfExcludingThis(aMallocSizeOf);
|
|
n += mTemplates.ShallowSizeOfExcludingThis(aMallocSizeOf);
|
|
}
|
|
return n;
|
|
}
|