/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim:set tw=78 expandtab softtabstop=2 ts=2 sw=2: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /* DOM object returned from element.getComputedStyle() */ #include "mozilla/Util.h" #include "nsComputedDOMStyle.h" #include "nsError.h" #include "nsDOMString.h" #include "nsIDOMCSSPrimitiveValue.h" #include "nsStyleContext.h" #include "nsIScrollableFrame.h" #include "nsContentUtils.h" #include "nsIContent.h" #include "nsCSSProps.h" #include "nsDOMCSSRect.h" #include "nsDOMCSSRGBColor.h" #include "nsDOMCSSValueList.h" #include "nsGkAtoms.h" #include "nsHTMLReflowState.h" #include "nsStyleUtil.h" #include "nsStyleStructInlines.h" #include "nsROCSSPrimitiveValue.h" #include "nsPresContext.h" #include "nsIDocument.h" #include "nsCSSPseudoElements.h" #include "nsStyleSet.h" #include "imgIRequest.h" #include "nsLayoutUtils.h" #include "nsCSSKeywords.h" #include "nsStyleCoord.h" #include "nsDisplayList.h" #include "nsDOMCSSDeclaration.h" #include "nsStyleTransformMatrix.h" #include "mozilla/dom/Element.h" #include "nsWrapperCacheInlines.h" #include "nsUTF8Utils.h" #include using namespace mozilla; using namespace mozilla::dom; #if defined(DEBUG_bzbarsky) || defined(DEBUG_caillon) #define DEBUG_ComputedDOMStyle #endif /* * This is the implementation of the readonly CSSStyleDeclaration that is * returned by the getComputedStyle() function. */ static nsComputedDOMStyle *sCachedComputedDOMStyle; already_AddRefed NS_NewComputedDOMStyle(dom::Element* aElement, const nsAString& aPseudoElt, nsIPresShell* aPresShell, nsComputedDOMStyle::StyleType aStyleType) { nsRefPtr computedStyle; if (sCachedComputedDOMStyle) { // There's an unused nsComputedDOMStyle cached, use it. // But before we use it, re-initialize the object. // Oh yeah baby, placement new! computedStyle = new (sCachedComputedDOMStyle) nsComputedDOMStyle(aElement, aPseudoElt, aPresShell, aStyleType); sCachedComputedDOMStyle = nullptr; } else { // No nsComputedDOMStyle cached, create a new one. computedStyle = new nsComputedDOMStyle(aElement, aPseudoElt, aPresShell, aStyleType); } return computedStyle.forget(); } nsComputedDOMStyle::nsComputedDOMStyle(dom::Element* aElement, const nsAString& aPseudoElt, nsIPresShell* aPresShell, StyleType aStyleType) : mDocumentWeak(nullptr), mOuterFrame(nullptr), mInnerFrame(nullptr), mPresShell(nullptr), mStyleType(aStyleType), mExposeVisitedStyle(false) { MOZ_ASSERT(aElement && aPresShell); mDocumentWeak = do_GetWeakReference(aPresShell->GetDocument()); mContent = aElement; if (!DOMStringIsNull(aPseudoElt) && !aPseudoElt.IsEmpty() && aPseudoElt.First() == PRUnichar(':')) { // deal with two-colon forms of aPseudoElt nsAString::const_iterator start, end; aPseudoElt.BeginReading(start); aPseudoElt.EndReading(end); NS_ASSERTION(start != end, "aPseudoElt is not empty!"); ++start; bool haveTwoColons = true; if (start == end || *start != PRUnichar(':')) { --start; haveTwoColons = false; } mPseudo = do_GetAtom(Substring(start, end)); MOZ_ASSERT(mPseudo); // There aren't any non-CSS2 pseudo-elements with a single ':' if (!haveTwoColons && (!nsCSSPseudoElements::IsPseudoElement(mPseudo) || !nsCSSPseudoElements::IsCSS2PseudoElement(mPseudo))) { // XXXbz I'd really rather we threw an exception or something, but // the DOM spec sucks. mPseudo = nullptr; } } MOZ_ASSERT(aPresShell->GetPresContext()); } nsComputedDOMStyle::~nsComputedDOMStyle() { } void nsComputedDOMStyle::Shutdown() { // We want to de-allocate without calling the dtor since we // already did that manually in doDestroyComputedDOMStyle(), // so cast our cached object to something that doesn't know // about our dtor. delete reinterpret_cast(sCachedComputedDOMStyle); sCachedComputedDOMStyle = nullptr; } NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(nsComputedDOMStyle, mContent) NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_BEGIN(nsComputedDOMStyle) return tmp->IsBlack(); NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_END NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_IN_CC_BEGIN(nsComputedDOMStyle) return tmp->IsBlack(); NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_IN_CC_END NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_THIS_BEGIN(nsComputedDOMStyle) return tmp->IsBlack(); NS_IMPL_CYCLE_COLLECTION_CAN_SKIP_THIS_END // QueryInterface implementation for nsComputedDOMStyle NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsComputedDOMStyle) NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY NS_INTERFACE_MAP_END_INHERITING(nsDOMCSSDeclaration) static void doDestroyComputedDOMStyle(nsComputedDOMStyle *aComputedStyle) { if (!sCachedComputedDOMStyle) { // The cache is empty, store aComputedStyle in the cache. sCachedComputedDOMStyle = aComputedStyle; sCachedComputedDOMStyle->~nsComputedDOMStyle(); } else { // The cache is full, delete aComputedStyle delete aComputedStyle; } } NS_IMPL_CYCLE_COLLECTING_ADDREF(nsComputedDOMStyle) NS_IMPL_CYCLE_COLLECTING_RELEASE_WITH_DESTROY(nsComputedDOMStyle, doDestroyComputedDOMStyle(this)) NS_IMETHODIMP nsComputedDOMStyle::GetPropertyValue(const nsCSSProperty aPropID, nsAString& aValue) { // This is mostly to avoid code duplication with GetPropertyCSSValue(); if // perf ever becomes an issue here (doubtful), we can look into changing // this. return GetPropertyValue( NS_ConvertASCIItoUTF16(nsCSSProps::GetStringValue(aPropID)), aValue); } NS_IMETHODIMP nsComputedDOMStyle::SetPropertyValue(const nsCSSProperty aPropID, const nsAString& aValue) { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; } NS_IMETHODIMP nsComputedDOMStyle::GetCssText(nsAString& aCssText) { aCssText.Truncate(); return NS_OK; } NS_IMETHODIMP nsComputedDOMStyle::SetCssText(const nsAString& aCssText) { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; } NS_IMETHODIMP nsComputedDOMStyle::GetLength(uint32_t* aLength) { NS_PRECONDITION(aLength, "Null aLength! Prepare to die!"); (void)GetQueryablePropertyMap(aLength); return NS_OK; } NS_IMETHODIMP nsComputedDOMStyle::GetParentRule(nsIDOMCSSRule** aParentRule) { *aParentRule = nullptr; return NS_OK; } NS_IMETHODIMP nsComputedDOMStyle::GetPropertyValue(const nsAString& aPropertyName, nsAString& aReturn) { aReturn.Truncate(); ErrorResult error; nsRefPtr val = GetPropertyCSSValue(aPropertyName, error); if (error.Failed()) { return error.ErrorCode(); } if (val) { nsString text; val->GetCssText(text, error); aReturn.Assign(text); return error.ErrorCode(); } return NS_OK; } /* static */ already_AddRefed nsComputedDOMStyle::GetStyleContextForElement(Element* aElement, nsIAtom* aPseudo, nsIPresShell* aPresShell, StyleType aStyleType) { // If the content has a pres shell, we must use it. Otherwise we'd // potentially mix rule trees by using the wrong pres shell's style // set. Using the pres shell from the content also means that any // content that's actually *in* a document will get the style from the // correct document. nsCOMPtr presShell = GetPresShellForContent(aElement); if (!presShell) { presShell = aPresShell; if (!presShell) return nullptr; } presShell->FlushPendingNotifications(Flush_Style); return GetStyleContextForElementNoFlush(aElement, aPseudo, presShell, aStyleType); } /* static */ already_AddRefed nsComputedDOMStyle::GetStyleContextForElementNoFlush(Element* aElement, nsIAtom* aPseudo, nsIPresShell* aPresShell, StyleType aStyleType) { NS_ABORT_IF_FALSE(aElement, "NULL element"); // If the content has a pres shell, we must use it. Otherwise we'd // potentially mix rule trees by using the wrong pres shell's style // set. Using the pres shell from the content also means that any // content that's actually *in* a document will get the style from the // correct document. nsIPresShell *presShell = GetPresShellForContent(aElement); if (!presShell) { presShell = aPresShell; if (!presShell) return nullptr; } if (!aPseudo && aStyleType == eAll) { nsIFrame* frame = aElement->GetPrimaryFrame(); if (frame) { nsStyleContext* result = nsLayoutUtils::GetStyleFrame(frame)->StyleContext(); // Don't use the style context if it was influenced by // pseudo-elements, since then it's not the primary style // for this element. if (!result->HasPseudoElementData()) { // this function returns an addrefed style context nsRefPtr ret = result; return ret.forget(); } } } // No frame has been created, or we have a pseudo, or we're looking // for the default style, so resolve the style ourselves. nsRefPtr parentContext; nsIContent* parent = aPseudo ? aElement : aElement->GetParent(); // Don't resolve parent context for document fragments. if (parent && parent->IsElement()) parentContext = GetStyleContextForElementNoFlush(parent->AsElement(), nullptr, presShell, aStyleType); nsPresContext *presContext = presShell->GetPresContext(); if (!presContext) return nullptr; nsStyleSet *styleSet = presShell->StyleSet(); nsRefPtr sc; if (aPseudo) { nsCSSPseudoElements::Type type = nsCSSPseudoElements::GetPseudoType(aPseudo); if (type >= nsCSSPseudoElements::ePseudo_PseudoElementCount) { return nullptr; } sc = styleSet->ResolvePseudoElementStyle(aElement, type, parentContext); } else { sc = styleSet->ResolveStyleFor(aElement, parentContext); } if (aStyleType == eDefaultOnly) { // We really only want the user and UA rules. Filter out the other ones. nsTArray< nsCOMPtr > rules; for (nsRuleNode* ruleNode = sc->RuleNode(); !ruleNode->IsRoot(); ruleNode = ruleNode->GetParent()) { if (ruleNode->GetLevel() == nsStyleSet::eAgentSheet || ruleNode->GetLevel() == nsStyleSet::eUserSheet) { rules.AppendElement(ruleNode->GetRule()); } } // We want to build a list of user/ua rules that is in order from least to // most important, so we have to reverse the list. // Integer division to get "stop" is purposeful here: if length is odd, we // don't have to do anything with the middle element of the array. for (uint32_t i = 0, length = rules.Length(), stop = length / 2; i < stop; ++i) { rules[i].swap(rules[length - i - 1]); } sc = styleSet->ResolveStyleForRules(parentContext, rules); } return sc.forget(); } nsMargin nsComputedDOMStyle::GetAdjustedValuesForBoxSizing() { // We want the width/height of whatever parts 'width' or 'height' controls, // which can be different depending on the value of the 'box-sizing' property. const nsStylePosition* stylePos = StylePosition(); nsMargin adjustment; switch(stylePos->mBoxSizing) { case NS_STYLE_BOX_SIZING_BORDER: adjustment += mInnerFrame->GetUsedBorder(); // fall through case NS_STYLE_BOX_SIZING_PADDING: adjustment += mInnerFrame->GetUsedPadding(); } return adjustment; } /* static */ nsIPresShell* nsComputedDOMStyle::GetPresShellForContent(nsIContent* aContent) { nsIDocument* currentDoc = aContent->GetCurrentDoc(); if (!currentDoc) return nullptr; return currentDoc->GetShell(); } // nsDOMCSSDeclaration abstract methods which should never be called // on a nsComputedDOMStyle object, but must be defined to avoid // compile errors. css::Declaration* nsComputedDOMStyle::GetCSSDeclaration(bool) { NS_RUNTIMEABORT("called nsComputedDOMStyle::GetCSSDeclaration"); return nullptr; } nsresult nsComputedDOMStyle::SetCSSDeclaration(css::Declaration*) { NS_RUNTIMEABORT("called nsComputedDOMStyle::SetCSSDeclaration"); return NS_ERROR_FAILURE; } nsIDocument* nsComputedDOMStyle::DocToUpdate() { NS_RUNTIMEABORT("called nsComputedDOMStyle::DocToUpdate"); return nullptr; } void nsComputedDOMStyle::GetCSSParsingEnvironment(CSSParsingEnvironment& aCSSParseEnv) { NS_RUNTIMEABORT("called nsComputedDOMStyle::GetCSSParsingEnvironment"); // Just in case NS_RUNTIMEABORT ever stops killing us for some reason aCSSParseEnv.mPrincipal = nullptr; } already_AddRefed nsComputedDOMStyle::GetPropertyCSSValue(const nsAString& aPropertyName, ErrorResult& aRv) { NS_ASSERTION(!mStyleContextHolder, "bad state"); nsCOMPtr document = do_QueryReferent(mDocumentWeak); if (!document) { aRv.Throw(NS_ERROR_NOT_AVAILABLE); return nullptr; } document->FlushPendingLinkUpdates(); nsCSSProperty prop = nsCSSProps::LookupProperty(aPropertyName, nsCSSProps::eEnabled); // We don't (for now, anyway, though it may make sense to change it // for all aliases, including those in nsCSSPropAliasList) want // aliases to be enumerable (via GetLength and IndexedGetter), so // handle them here rather than adding entries to // GetQueryablePropertyMap. if (prop != eCSSProperty_UNKNOWN && nsCSSProps::PropHasFlags(prop, CSS_PROPERTY_IS_ALIAS)) { const nsCSSProperty* subprops = nsCSSProps::SubpropertyEntryFor(prop); NS_ABORT_IF_FALSE(subprops[1] == eCSSProperty_UNKNOWN, "must have list of length 1"); prop = subprops[0]; } const ComputedStyleMapEntry* propEntry = nullptr; { uint32_t length = 0; const ComputedStyleMapEntry* propMap = GetQueryablePropertyMap(&length); for (uint32_t i = 0; i < length; ++i) { if (prop == propMap[i].mProperty) { propEntry = &propMap[i]; break; } } } if (!propEntry) { #ifdef DEBUG_ComputedDOMStyle NS_WARNING(PromiseFlatCString(NS_ConvertUTF16toUTF8(aPropertyName) + NS_LITERAL_CSTRING(" is not queryable!")).get()); #endif // NOTE: For branches, we should flush here for compatibility! return nullptr; } // Flush _before_ getting the presshell, since that could create a new // presshell. Also note that we want to flush the style on the document // we're computing style in, not on the document mContent is in -- the two // may be different. document->FlushPendingNotifications( propEntry->mNeedsLayoutFlush ? Flush_Layout : Flush_Style); #ifdef DEBUG mFlushedPendingReflows = propEntry->mNeedsLayoutFlush; #endif mPresShell = document->GetShell(); if (!mPresShell || !mPresShell->GetPresContext()) { aRv.Throw(NS_ERROR_NOT_AVAILABLE); return nullptr; } if (!mPseudo && mStyleType == eAll) { mOuterFrame = mContent->GetPrimaryFrame(); mInnerFrame = mOuterFrame; if (mOuterFrame) { nsIAtom* type = mOuterFrame->GetType(); if (type == nsGkAtoms::tableOuterFrame) { // If the frame is an outer table frame then we should get the style // from the inner table frame. mInnerFrame = mOuterFrame->GetFirstPrincipalChild(); NS_ASSERTION(mInnerFrame, "Outer table must have an inner"); NS_ASSERTION(!mInnerFrame->GetNextSibling(), "Outer table frames should have just one child, " "the inner table"); } mStyleContextHolder = mInnerFrame->StyleContext(); NS_ASSERTION(mStyleContextHolder, "Frame without style context?"); } } if (!mStyleContextHolder || mStyleContextHolder->HasPseudoElementData()) { #ifdef DEBUG if (mStyleContextHolder) { // We want to check that going through this path because of // HasPseudoElementData is rare, because it slows us down a good // bit. So check that we're really inside something associated // with a pseudo-element that contains elements. nsStyleContext *topWithPseudoElementData = mStyleContextHolder; while (topWithPseudoElementData->GetParent()->HasPseudoElementData()) { topWithPseudoElementData = topWithPseudoElementData->GetParent(); } NS_ASSERTION(nsCSSPseudoElements::PseudoElementContainsElements( topWithPseudoElementData->GetPseudo()), "we should be in a pseudo-element that is expected to " "contain elements"); } #endif // Need to resolve a style context mStyleContextHolder = nsComputedDOMStyle::GetStyleContextForElement(mContent->AsElement(), mPseudo, mPresShell, mStyleType); if (!mStyleContextHolder) { aRv.Throw(NS_ERROR_OUT_OF_MEMORY); return nullptr; } NS_ASSERTION(mPseudo || !mStyleContextHolder->HasPseudoElementData(), "should not have pseudo-element data"); } // mExposeVisitedStyle is set to true only by testing APIs that // require chrome privilege. NS_ABORT_IF_FALSE(!mExposeVisitedStyle || nsContentUtils::IsCallerChrome(), "mExposeVisitedStyle set incorrectly"); if (mExposeVisitedStyle && mStyleContextHolder->RelevantLinkVisited()) { nsStyleContext *styleIfVisited = mStyleContextHolder->GetStyleIfVisited(); if (styleIfVisited) { mStyleContextHolder = styleIfVisited; } } // Call our pointer-to-member-function. nsRefPtr val = (this->*(propEntry->mGetter))(); mOuterFrame = nullptr; mInnerFrame = nullptr; mPresShell = nullptr; // Release the current style context for it should be re-resolved // whenever a frame is not available. mStyleContextHolder = nullptr; return val.forget(); } NS_IMETHODIMP nsComputedDOMStyle::RemoveProperty(const nsAString& aPropertyName, nsAString& aReturn) { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; } NS_IMETHODIMP nsComputedDOMStyle::GetPropertyPriority(const nsAString& aPropertyName, nsAString& aReturn) { aReturn.Truncate(); return NS_OK; } NS_IMETHODIMP nsComputedDOMStyle::SetProperty(const nsAString& aPropertyName, const nsAString& aValue, const nsAString& aPriority) { return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; } NS_IMETHODIMP nsComputedDOMStyle::Item(uint32_t aIndex, nsAString& aReturn) { return nsDOMCSSDeclaration::Item(aIndex, aReturn); } void nsComputedDOMStyle::IndexedGetter(uint32_t aIndex, bool& aFound, nsAString& aPropName) { uint32_t length = 0; const ComputedStyleMapEntry* propMap = GetQueryablePropertyMap(&length); aFound = aIndex < length; if (aFound) { CopyASCIItoUTF16(nsCSSProps::GetStringValue(propMap[aIndex].mProperty), aPropName); } } // Property getters... CSSValue* nsComputedDOMStyle::DoGetBinding() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStyleDisplay* display = StyleDisplay(); if (display->mBinding) { val->SetURI(display->mBinding->GetURI()); } else { val->SetIdent(eCSSKeyword_none); } return val; } CSSValue* nsComputedDOMStyle::DoGetClear() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mBreakType, nsCSSProps::kClearKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFloat() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mFloats, nsCSSProps::kFloatKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetBottom() { return GetOffsetWidthFor(NS_SIDE_BOTTOM); } CSSValue* nsComputedDOMStyle::DoGetStackSizing() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(StyleXUL()->mStretchStack ? eCSSKeyword_stretch_to_fit : eCSSKeyword_ignore); return val; } void nsComputedDOMStyle::SetToRGBAColor(nsROCSSPrimitiveValue* aValue, nscolor aColor) { if (NS_GET_A(aColor) == 0) { aValue->SetIdent(eCSSKeyword_transparent); return; } nsROCSSPrimitiveValue *red = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *green = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *blue = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *alpha = new nsROCSSPrimitiveValue; uint8_t a = NS_GET_A(aColor); nsDOMCSSRGBColor *rgbColor = new nsDOMCSSRGBColor(red, green, blue, alpha, a < 255); red->SetNumber(NS_GET_R(aColor)); green->SetNumber(NS_GET_G(aColor)); blue->SetNumber(NS_GET_B(aColor)); alpha->SetNumber(nsStyleUtil::ColorComponentToFloat(a)); aValue->SetColor(rgbColor); } CSSValue* nsComputedDOMStyle::DoGetColor() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetToRGBAColor(val, StyleColor()->mColor); return val; } CSSValue* nsComputedDOMStyle::DoGetOpacity() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetNumber(StyleDisplay()->mOpacity); return val; } CSSValue* nsComputedDOMStyle::DoGetColumnCount() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStyleColumn* column = StyleColumn(); if (column->mColumnCount == NS_STYLE_COLUMN_COUNT_AUTO) { val->SetIdent(eCSSKeyword_auto); } else { val->SetNumber(column->mColumnCount); } return val; } CSSValue* nsComputedDOMStyle::DoGetColumnWidth() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; // XXX fix the auto case. When we actually have a column frame, I think // we should return the computed column width. SetValueToCoord(val, StyleColumn()->mColumnWidth, true); return val; } CSSValue* nsComputedDOMStyle::DoGetColumnGap() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStyleColumn* column = StyleColumn(); if (column->mColumnGap.GetUnit() == eStyleUnit_Normal) { val->SetAppUnits(StyleFont()->mFont.size); } else { SetValueToCoord(val, StyleColumn()->mColumnGap, true); } return val; } CSSValue* nsComputedDOMStyle::DoGetColumnFill() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleColumn()->mColumnFill, nsCSSProps::kColumnFillKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetColumnRuleWidth() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetAppUnits(StyleColumn()->GetComputedColumnRuleWidth()); return val; } CSSValue* nsComputedDOMStyle::DoGetColumnRuleStyle() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleColumn()->mColumnRuleStyle, nsCSSProps::kBorderStyleKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetColumnRuleColor() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStyleColumn* column = StyleColumn(); nscolor ruleColor; if (column->mColumnRuleColorIsForeground) { ruleColor = StyleColor()->mColor; } else { ruleColor = column->mColumnRuleColor; } SetToRGBAColor(val, ruleColor); return val; } CSSValue* nsComputedDOMStyle::DoGetContent() { const nsStyleContent *content = StyleContent(); if (content->ContentCount() == 0) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(eCSSKeyword_none); return val; } if (content->ContentCount() == 1 && content->ContentAt(0).mType == eStyleContentType_AltContent) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(eCSSKeyword__moz_alt_content); return val; } nsDOMCSSValueList *valueList = GetROCSSValueList(false); for (uint32_t i = 0, i_end = content->ContentCount(); i < i_end; ++i) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(val); const nsStyleContentData &data = content->ContentAt(i); switch (data.mType) { case eStyleContentType_String: { nsString str; nsStyleUtil::AppendEscapedCSSString( nsDependentString(data.mContent.mString), str); val->SetString(str); } break; case eStyleContentType_Image: { nsCOMPtr uri; if (data.mContent.mImage) { data.mContent.mImage->GetURI(getter_AddRefs(uri)); } val->SetURI(uri); } break; case eStyleContentType_Attr: { nsAutoString str; nsStyleUtil::AppendEscapedCSSIdent( nsDependentString(data.mContent.mString), str); val->SetString(str, nsIDOMCSSPrimitiveValue::CSS_ATTR); } break; case eStyleContentType_Counter: case eStyleContentType_Counters: { /* FIXME: counters should really use an object */ nsAutoString str; if (data.mType == eStyleContentType_Counter) { str.AppendLiteral("counter("); } else { str.AppendLiteral("counters("); } // WRITE ME nsCSSValue::Array *a = data.mContent.mCounters; nsStyleUtil::AppendEscapedCSSIdent( nsDependentString(a->Item(0).GetStringBufferValue()), str); int32_t typeItem = 1; if (data.mType == eStyleContentType_Counters) { typeItem = 2; str.AppendLiteral(", "); nsStyleUtil::AppendEscapedCSSString( nsDependentString(a->Item(1).GetStringBufferValue()), str); } NS_ABORT_IF_FALSE(eCSSUnit_None != a->Item(typeItem).GetUnit(), "'none' should be handled as enumerated value"); int32_t type = a->Item(typeItem).GetIntValue(); if (type != NS_STYLE_LIST_STYLE_DECIMAL) { str.AppendLiteral(", "); AppendASCIItoUTF16( nsCSSProps::ValueToKeyword(type, nsCSSProps::kListStyleKTable), str); } str.Append(PRUnichar(')')); val->SetString(str, nsIDOMCSSPrimitiveValue::CSS_COUNTER); } break; case eStyleContentType_OpenQuote: val->SetIdent(eCSSKeyword_open_quote); break; case eStyleContentType_CloseQuote: val->SetIdent(eCSSKeyword_close_quote); break; case eStyleContentType_NoOpenQuote: val->SetIdent(eCSSKeyword_no_open_quote); break; case eStyleContentType_NoCloseQuote: val->SetIdent(eCSSKeyword_no_close_quote); break; case eStyleContentType_AltContent: default: NS_NOTREACHED("unexpected type"); break; } } return valueList; } CSSValue* nsComputedDOMStyle::DoGetCounterIncrement() { const nsStyleContent *content = StyleContent(); if (content->CounterIncrementCount() == 0) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(eCSSKeyword_none); return val; } nsDOMCSSValueList *valueList = GetROCSSValueList(false); for (uint32_t i = 0, i_end = content->CounterIncrementCount(); i < i_end; ++i) { nsROCSSPrimitiveValue* name = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(name); nsROCSSPrimitiveValue* value = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(value); const nsStyleCounterData *data = content->GetCounterIncrementAt(i); nsAutoString escaped; nsStyleUtil::AppendEscapedCSSIdent(data->mCounter, escaped); name->SetString(escaped); value->SetNumber(data->mValue); // XXX This should really be integer } return valueList; } /* Convert the stored representation into a list of two values and then hand * it back. */ CSSValue* nsComputedDOMStyle::DoGetTransformOrigin() { /* We need to build up a list of two values. We'll call them * width and height. */ /* Store things as a value list */ nsDOMCSSValueList* valueList = GetROCSSValueList(false); /* Now, get the values. */ const nsStyleDisplay* display = StyleDisplay(); nsROCSSPrimitiveValue* width = new nsROCSSPrimitiveValue; SetValueToCoord(width, display->mTransformOrigin[0], false, &nsComputedDOMStyle::GetFrameBoundsWidthForTransform); valueList->AppendCSSValue(width); nsROCSSPrimitiveValue* height = new nsROCSSPrimitiveValue; SetValueToCoord(height, display->mTransformOrigin[1], false, &nsComputedDOMStyle::GetFrameBoundsHeightForTransform); valueList->AppendCSSValue(height); if (display->mTransformOrigin[2].GetUnit() != eStyleUnit_Coord || display->mTransformOrigin[2].GetCoordValue() != 0) { nsROCSSPrimitiveValue* depth = new nsROCSSPrimitiveValue; SetValueToCoord(depth, display->mTransformOrigin[2], false, nullptr); valueList->AppendCSSValue(depth); } return valueList; } /* Convert the stored representation into a list of two values and then hand * it back. */ CSSValue* nsComputedDOMStyle::DoGetPerspectiveOrigin() { /* We need to build up a list of two values. We'll call them * width and height. */ /* Store things as a value list */ nsDOMCSSValueList* valueList = GetROCSSValueList(false); /* Now, get the values. */ const nsStyleDisplay* display = StyleDisplay(); nsROCSSPrimitiveValue* width = new nsROCSSPrimitiveValue; SetValueToCoord(width, display->mPerspectiveOrigin[0], false, &nsComputedDOMStyle::GetFrameBoundsWidthForTransform); valueList->AppendCSSValue(width); nsROCSSPrimitiveValue* height = new nsROCSSPrimitiveValue; SetValueToCoord(height, display->mPerspectiveOrigin[1], false, &nsComputedDOMStyle::GetFrameBoundsHeightForTransform); valueList->AppendCSSValue(height); return valueList; } CSSValue* nsComputedDOMStyle::DoGetPerspective() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; if (StyleDisplay()->mChildPerspective.GetUnit() == eStyleUnit_Coord && StyleDisplay()->mChildPerspective.GetCoordValue() == 0.0) { val->SetIdent(eCSSKeyword_none); } else { SetValueToCoord(val, StyleDisplay()->mChildPerspective, false); } return val; } CSSValue* nsComputedDOMStyle::DoGetBackfaceVisibility() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mBackfaceVisibility, nsCSSProps::kBackfaceVisibilityKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetTransformStyle() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mTransformStyle, nsCSSProps::kTransformStyleKTable)); return val; } /* If the property is "none", hand back "none" wrapped in a value. * Otherwise, compute the aggregate transform matrix and hands it back in a * "matrix" wrapper. */ CSSValue* nsComputedDOMStyle::DoGetTransform() { /* First, get the display data. We'll need it. */ const nsStyleDisplay* display = StyleDisplay(); /* If there are no transforms, then we should construct a single-element * entry and hand it back. */ if (!display->mSpecifiedTransform) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; /* Set it to "none." */ val->SetIdent(eCSSKeyword_none); return val; } /* Otherwise, we need to compute the current value of the transform matrix, * store it in a string, and hand it back to the caller. */ /* Use the inner frame for width and height. If we fail, assume zero. * TODO: There is no good way for us to represent the case where there's no * frame, which is problematic. The reason is that when we have percentage * transforms, there are a total of four stored matrix entries that influence * the transform based on the size of the element. However, this poses a * problem, because only two of these values can be explicitly referenced * using the named transforms. Until a real solution is found, we'll just * use this approach. */ nsRect bounds = (mInnerFrame ? nsDisplayTransform::GetFrameBoundsForTransform(mInnerFrame) : nsRect(0, 0, 0, 0)); bool dummy; gfx3DMatrix matrix = nsStyleTransformMatrix::ReadTransforms(display->mSpecifiedTransform, mStyleContextHolder, mStyleContextHolder->PresContext(), dummy, bounds, float(nsDeviceContext::AppUnitsPerCSSPixel())); return MatrixToCSSValue(matrix); } /* static */ nsROCSSPrimitiveValue* nsComputedDOMStyle::MatrixToCSSValue(gfx3DMatrix& matrix) { bool is3D = !matrix.Is2D(); nsAutoString resultString(NS_LITERAL_STRING("matrix")); if (is3D) { resultString.Append(NS_LITERAL_STRING("3d")); } resultString.Append(NS_LITERAL_STRING("(")); resultString.AppendFloat(matrix._11); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._12); resultString.Append(NS_LITERAL_STRING(", ")); if (is3D) { resultString.AppendFloat(matrix._13); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._14); resultString.Append(NS_LITERAL_STRING(", ")); } resultString.AppendFloat(matrix._21); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._22); resultString.Append(NS_LITERAL_STRING(", ")); if (is3D) { resultString.AppendFloat(matrix._23); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._24); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._31); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._32); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._33); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._34); resultString.Append(NS_LITERAL_STRING(", ")); } resultString.AppendFloat(matrix._41); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._42); if (is3D) { resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._43); resultString.Append(NS_LITERAL_STRING(", ")); resultString.AppendFloat(matrix._44); } resultString.Append(NS_LITERAL_STRING(")")); /* Create a value to hold our result. */ nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetString(resultString); return val; } CSSValue* nsComputedDOMStyle::DoGetCounterReset() { const nsStyleContent *content = StyleContent(); if (content->CounterResetCount() == 0) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(eCSSKeyword_none); return val; } nsDOMCSSValueList *valueList = GetROCSSValueList(false); for (uint32_t i = 0, i_end = content->CounterResetCount(); i < i_end; ++i) { nsROCSSPrimitiveValue* name = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(name); nsROCSSPrimitiveValue* value = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(value); const nsStyleCounterData *data = content->GetCounterResetAt(i); nsAutoString escaped; nsStyleUtil::AppendEscapedCSSIdent(data->mCounter, escaped); name->SetString(escaped); value->SetNumber(data->mValue); // XXX This should really be integer } return valueList; } CSSValue* nsComputedDOMStyle::DoGetQuotes() { const nsStyleQuotes *quotes = StyleQuotes(); if (quotes->QuotesCount() == 0) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(eCSSKeyword_none); return val; } nsDOMCSSValueList *valueList = GetROCSSValueList(false); for (uint32_t i = 0, i_end = quotes->QuotesCount(); i < i_end; ++i) { nsROCSSPrimitiveValue* openVal = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(openVal); nsROCSSPrimitiveValue* closeVal = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(closeVal); nsString s; nsStyleUtil::AppendEscapedCSSString(*quotes->OpenQuoteAt(i), s); openVal->SetString(s); s.Truncate(); nsStyleUtil::AppendEscapedCSSString(*quotes->CloseQuoteAt(i), s); closeVal->SetString(s); } return valueList; } CSSValue* nsComputedDOMStyle::DoGetFontFamily() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleFont* font = StyleFont(); nsCOMPtr doc = do_QueryReferent(mDocumentWeak); NS_ASSERTION(doc, "document is required"); nsIPresShell* presShell = doc->GetShell(); NS_ASSERTION(presShell, "pres shell is required"); nsPresContext *presContext = presShell->GetPresContext(); NS_ASSERTION(presContext, "pres context is required"); const nsString& fontName = font->mFont.name; if (font->mGenericID == kGenericFont_NONE && !font->mFont.systemFont) { const nsFont* defaultFont = presContext->GetDefaultFont(kPresContext_DefaultVariableFont_ID, font->mLanguage); int32_t lendiff = fontName.Length() - defaultFont->name.Length(); if (lendiff > 0) { val->SetString(Substring(fontName, 0, lendiff-1)); // -1 removes comma } else { val->SetString(fontName); } } else { val->SetString(fontName); } return val; } CSSValue* nsComputedDOMStyle::DoGetFontSize() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; // Note: StyleFont()->mSize is the 'computed size'; // StyleFont()->mFont.size is the 'actual size' val->SetAppUnits(StyleFont()->mSize); return val; } CSSValue* nsComputedDOMStyle::DoGetFontSizeAdjust() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStyleFont *font = StyleFont(); if (font->mFont.sizeAdjust) { val->SetNumber(font->mFont.sizeAdjust); } else { val->SetIdent(eCSSKeyword_none); } return val; } CSSValue* nsComputedDOMStyle::DoGetFontStretch() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleFont()->mFont.stretch, nsCSSProps::kFontStretchKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFontStyle() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleFont()->mFont.style, nsCSSProps::kFontStyleKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFontWeight() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleFont* font = StyleFont(); uint16_t weight = font->mFont.weight; NS_ASSERTION(weight % 100 == 0, "unexpected value of font-weight"); val->SetNumber(weight); return val; } CSSValue* nsComputedDOMStyle::DoGetFontVariant() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleFont()->mFont.variant, nsCSSProps::kFontVariantKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFontFeatureSettings() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleFont* font = StyleFont(); if (font->mFont.fontFeatureSettings.IsEmpty()) { val->SetIdent(eCSSKeyword_normal); } else { nsAutoString result; nsStyleUtil::AppendFontFeatureSettings(font->mFont.fontFeatureSettings, result); val->SetString(result); } return val; } CSSValue* nsComputedDOMStyle::DoGetFontKerning() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleFont()->mFont.kerning, nsCSSProps::kFontKerningKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFontLanguageOverride() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleFont* font = StyleFont(); if (font->mFont.languageOverride.IsEmpty()) { val->SetIdent(eCSSKeyword_normal); } else { nsString str; nsStyleUtil::AppendEscapedCSSString(font->mFont.languageOverride, str); val->SetString(str); } return val; } CSSValue* nsComputedDOMStyle::DoGetFontSynthesis() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; int32_t intValue = StyleFont()->mFont.synthesis; if (0 == intValue) { val->SetIdent(eCSSKeyword_none); } else { nsAutoString valueStr; nsStyleUtil::AppendBitmaskCSSValue(eCSSProperty_font_synthesis, intValue, NS_FONT_SYNTHESIS_WEIGHT, NS_FONT_SYNTHESIS_STYLE, valueStr); val->SetString(valueStr); } return val; } CSSValue* nsComputedDOMStyle::DoGetFontVariantAlternates() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; int32_t intValue = StyleFont()->mFont.variantAlternates; if (0 == intValue) { val->SetIdent(eCSSKeyword_normal); return val; } // first, include enumerated values nsAutoString valueStr; nsStyleUtil::AppendBitmaskCSSValue(eCSSProperty_font_variant_alternates, intValue & NS_FONT_VARIANT_ALTERNATES_ENUMERATED_MASK, NS_FONT_VARIANT_ALTERNATES_HISTORICAL, NS_FONT_VARIANT_ALTERNATES_HISTORICAL, valueStr); // next, include functional values if present if (intValue & NS_FONT_VARIANT_ALTERNATES_FUNCTIONAL_MASK) { nsStyleUtil::SerializeFunctionalAlternates(StyleFont()->mFont.alternateValues, valueStr); } val->SetString(valueStr); return val; } CSSValue* nsComputedDOMStyle::DoGetFontVariantCaps() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; int32_t intValue = StyleFont()->mFont.variantCaps; if (0 == intValue) { val->SetIdent(eCSSKeyword_normal); } else { val->SetIdent( nsCSSProps::ValueToKeywordEnum(intValue, nsCSSProps::kFontVariantCapsKTable)); } return val; } CSSValue* nsComputedDOMStyle::DoGetFontVariantEastAsian() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; int32_t intValue = StyleFont()->mFont.variantEastAsian; if (0 == intValue) { val->SetIdent(eCSSKeyword_normal); } else { nsAutoString valueStr; nsStyleUtil::AppendBitmaskCSSValue(eCSSProperty_font_variant_east_asian, intValue, NS_FONT_VARIANT_EAST_ASIAN_JIS78, NS_FONT_VARIANT_EAST_ASIAN_RUBY, valueStr); val->SetString(valueStr); } return val; } CSSValue* nsComputedDOMStyle::DoGetFontVariantLigatures() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; int32_t intValue = StyleFont()->mFont.variantLigatures; if (0 == intValue) { val->SetIdent(eCSSKeyword_normal); } else { nsAutoString valueStr; nsStyleUtil::AppendBitmaskCSSValue(eCSSProperty_font_variant_ligatures, intValue, NS_FONT_VARIANT_LIGATURES_COMMON, NS_FONT_VARIANT_LIGATURES_NO_CONTEXTUAL, valueStr); val->SetString(valueStr); } return val; } CSSValue* nsComputedDOMStyle::DoGetFontVariantNumeric() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; int32_t intValue = StyleFont()->mFont.variantNumeric; if (0 == intValue) { val->SetIdent(eCSSKeyword_normal); } else { nsAutoString valueStr; nsStyleUtil::AppendBitmaskCSSValue(eCSSProperty_font_variant_numeric, intValue, NS_FONT_VARIANT_NUMERIC_LINING, NS_FONT_VARIANT_NUMERIC_ORDINAL, valueStr); val->SetString(valueStr); } return val; } CSSValue* nsComputedDOMStyle::DoGetFontVariantPosition() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; int32_t intValue = StyleFont()->mFont.variantPosition; if (0 == intValue) { val->SetIdent(eCSSKeyword_normal); } else { val->SetIdent( nsCSSProps::ValueToKeywordEnum(intValue, nsCSSProps::kFontVariantPositionKTable)); } return val; } CSSValue* nsComputedDOMStyle::GetBackgroundList(uint8_t nsStyleBackground::Layer::* aMember, uint32_t nsStyleBackground::* aCount, const int32_t aTable[]) { const nsStyleBackground* bg = StyleBackground(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); for (uint32_t i = 0, i_end = bg->*aCount; i < i_end; ++i) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(val); val->SetIdent(nsCSSProps::ValueToKeywordEnum(bg->mLayers[i].*aMember, aTable)); } return valueList; } CSSValue* nsComputedDOMStyle::DoGetBackgroundAttachment() { return GetBackgroundList(&nsStyleBackground::Layer::mAttachment, &nsStyleBackground::mAttachmentCount, nsCSSProps::kBackgroundAttachmentKTable); } CSSValue* nsComputedDOMStyle::DoGetBackgroundClip() { return GetBackgroundList(&nsStyleBackground::Layer::mClip, &nsStyleBackground::mClipCount, nsCSSProps::kBackgroundOriginKTable); } CSSValue* nsComputedDOMStyle::DoGetBackgroundColor() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; SetToRGBAColor(val, StyleBackground()->mBackgroundColor); return val; } static void SetValueToCalc(const nsStyleCoord::Calc *aCalc, nsROCSSPrimitiveValue *aValue) { nsRefPtr val = new nsROCSSPrimitiveValue; nsAutoString tmp, result; result.AppendLiteral("calc("); val->SetAppUnits(aCalc->mLength); val->GetCssText(tmp); result.Append(tmp); if (aCalc->mHasPercent) { result.AppendLiteral(" + "); val->SetPercent(aCalc->mPercent); val->GetCssText(tmp); result.Append(tmp); } result.AppendLiteral(")"); aValue->SetString(result); // not really SetString } static void AppendCSSGradientLength(const nsStyleCoord& aValue, nsROCSSPrimitiveValue* aPrimitive, nsAString& aString) { nsAutoString tokenString; if (aValue.IsCalcUnit()) SetValueToCalc(aValue.GetCalcValue(), aPrimitive); else if (aValue.GetUnit() == eStyleUnit_Coord) aPrimitive->SetAppUnits(aValue.GetCoordValue()); else aPrimitive->SetPercent(aValue.GetPercentValue()); aPrimitive->GetCssText(tokenString); aString.Append(tokenString); } static void AppendCSSGradientToBoxPosition(const nsStyleGradient* aGradient, nsAString& aString, bool& aNeedSep) { float xValue = aGradient->mBgPosX.GetPercentValue(); float yValue = aGradient->mBgPosY.GetPercentValue(); if (yValue == 1.0f && xValue == 0.5f) { // omit "to bottom" return; } NS_ASSERTION(yValue != 0.5f || xValue != 0.5f, "invalid box position"); aString.AppendLiteral("to"); if (yValue == 0.0f) { aString.AppendLiteral(" top"); } else if (yValue == 1.0f) { aString.AppendLiteral(" bottom"); } else if (yValue != 0.5f) { // do not write "center" keyword NS_NOTREACHED("invalid box position"); } if (xValue == 0.0f) { aString.AppendLiteral(" left"); } else if (xValue == 1.0f) { aString.AppendLiteral(" right"); } else if (xValue != 0.5f) { // do not write "center" keyword NS_NOTREACHED("invalid box position"); } aNeedSep = true; } void nsComputedDOMStyle::GetCSSGradientString(const nsStyleGradient* aGradient, nsAString& aString) { if (!aGradient->mLegacySyntax) { aString.Truncate(); } else { aString.AssignLiteral("-moz-"); } if (aGradient->mRepeating) { aString.AppendLiteral("repeating-"); } bool isRadial = aGradient->mShape != NS_STYLE_GRADIENT_SHAPE_LINEAR; if (isRadial) { aString.AppendLiteral("radial-gradient("); } else { aString.AppendLiteral("linear-gradient("); } bool needSep = false; nsAutoString tokenString; nsROCSSPrimitiveValue *tmpVal = new nsROCSSPrimitiveValue; if (isRadial && !aGradient->mLegacySyntax) { if (aGradient->mSize != NS_STYLE_GRADIENT_SIZE_EXPLICIT_SIZE) { if (aGradient->mShape == NS_STYLE_GRADIENT_SHAPE_CIRCULAR) { aString.AppendLiteral("circle"); needSep = true; } if (aGradient->mSize != NS_STYLE_GRADIENT_SIZE_FARTHEST_CORNER) { if (needSep) { aString.AppendLiteral(" "); } AppendASCIItoUTF16(nsCSSProps:: ValueToKeyword(aGradient->mSize, nsCSSProps::kRadialGradientSizeKTable), aString); needSep = true; } } else { AppendCSSGradientLength(aGradient->mRadiusX, tmpVal, aString); if (aGradient->mShape != NS_STYLE_GRADIENT_SHAPE_CIRCULAR) { aString.AppendLiteral(" "); AppendCSSGradientLength(aGradient->mRadiusY, tmpVal, aString); } needSep = true; } } if (aGradient->mBgPosX.GetUnit() != eStyleUnit_None) { MOZ_ASSERT(aGradient->mBgPosY.GetUnit() != eStyleUnit_None); if (!isRadial && !aGradient->mLegacySyntax) { AppendCSSGradientToBoxPosition(aGradient, aString, needSep); } else if (aGradient->mBgPosX.GetUnit() != eStyleUnit_Percent || aGradient->mBgPosX.GetPercentValue() != 0.5f || aGradient->mBgPosY.GetUnit() != eStyleUnit_Percent || aGradient->mBgPosY.GetPercentValue() != (isRadial ? 0.5f : 1.0f)) { if (isRadial && !aGradient->mLegacySyntax) { if (needSep) { aString.AppendLiteral(" "); } aString.AppendLiteral("at "); needSep = false; } AppendCSSGradientLength(aGradient->mBgPosX, tmpVal, aString); if (aGradient->mBgPosY.GetUnit() != eStyleUnit_None) { aString.AppendLiteral(" "); AppendCSSGradientLength(aGradient->mBgPosY, tmpVal, aString); } needSep = true; } } if (aGradient->mAngle.GetUnit() != eStyleUnit_None) { MOZ_ASSERT(!isRadial || aGradient->mLegacySyntax); if (needSep) { aString.AppendLiteral(" "); } nsStyleUtil::AppendAngleValue(aGradient->mAngle, aString); needSep = true; } if (isRadial && aGradient->mLegacySyntax && (aGradient->mShape == NS_STYLE_GRADIENT_SHAPE_CIRCULAR || aGradient->mSize != NS_STYLE_GRADIENT_SIZE_FARTHEST_CORNER)) { MOZ_ASSERT(aGradient->mSize != NS_STYLE_GRADIENT_SIZE_EXPLICIT_SIZE); if (needSep) { aString.AppendLiteral(", "); needSep = false; } if (aGradient->mShape == NS_STYLE_GRADIENT_SHAPE_CIRCULAR) { aString.AppendLiteral("circle"); needSep = true; } if (aGradient->mSize != NS_STYLE_GRADIENT_SIZE_FARTHEST_CORNER) { if (needSep) { aString.AppendLiteral(" "); } AppendASCIItoUTF16(nsCSSProps:: ValueToKeyword(aGradient->mSize, nsCSSProps::kRadialGradientSizeKTable), aString); } needSep = true; } // color stops for (uint32_t i = 0; i < aGradient->mStops.Length(); ++i) { if (needSep) { aString.AppendLiteral(", "); } SetToRGBAColor(tmpVal, aGradient->mStops[i].mColor); tmpVal->GetCssText(tokenString); aString.Append(tokenString); if (aGradient->mStops[i].mLocation.GetUnit() != eStyleUnit_None) { aString.AppendLiteral(" "); AppendCSSGradientLength(aGradient->mStops[i].mLocation, tmpVal, aString); } needSep = true; } delete tmpVal; aString.AppendLiteral(")"); } // -moz-image-rect(, , , , ) void nsComputedDOMStyle::GetImageRectString(nsIURI* aURI, const nsStyleSides& aCropRect, nsString& aString) { nsDOMCSSValueList* valueList = GetROCSSValueList(true); // nsROCSSPrimitiveValue *valURI = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(valURI); valURI->SetURI(aURI); // , , , NS_FOR_CSS_SIDES(side) { nsROCSSPrimitiveValue *valSide = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(valSide); SetValueToCoord(valSide, aCropRect.Get(side), false); } nsAutoString argumentString; valueList->GetCssText(argumentString); delete valueList; aString = NS_LITERAL_STRING("-moz-image-rect(") + argumentString + NS_LITERAL_STRING(")"); } void nsComputedDOMStyle::SetValueToStyleImage(const nsStyleImage& aStyleImage, nsROCSSPrimitiveValue* aValue) { switch (aStyleImage.GetType()) { case eStyleImageType_Image: { imgIRequest *req = aStyleImage.GetImageData(); nsCOMPtr uri; req->GetURI(getter_AddRefs(uri)); const nsStyleSides* cropRect = aStyleImage.GetCropRect(); if (cropRect) { nsAutoString imageRectString; GetImageRectString(uri, *cropRect, imageRectString); aValue->SetString(imageRectString); } else { aValue->SetURI(uri); } break; } case eStyleImageType_Gradient: { nsAutoString gradientString; GetCSSGradientString(aStyleImage.GetGradientData(), gradientString); aValue->SetString(gradientString); break; } case eStyleImageType_Element: { nsAutoString elementId; nsStyleUtil::AppendEscapedCSSIdent( nsDependentString(aStyleImage.GetElementId()), elementId); nsAutoString elementString = NS_LITERAL_STRING("-moz-element(#") + elementId + NS_LITERAL_STRING(")"); aValue->SetString(elementString); break; } case eStyleImageType_Null: aValue->SetIdent(eCSSKeyword_none); break; default: NS_NOTREACHED("unexpected image type"); break; } } CSSValue* nsComputedDOMStyle::DoGetBackgroundImage() { const nsStyleBackground* bg = StyleBackground(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); for (uint32_t i = 0, i_end = bg->mImageCount; i < i_end; ++i) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(val); const nsStyleImage& image = bg->mLayers[i].mImage; SetValueToStyleImage(image, val); } return valueList; } CSSValue* nsComputedDOMStyle::DoGetBackgroundInlinePolicy() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum( StyleBackground()->mBackgroundInlinePolicy, nsCSSProps::kBackgroundInlinePolicyKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetBackgroundOrigin() { return GetBackgroundList(&nsStyleBackground::Layer::mOrigin, &nsStyleBackground::mOriginCount, nsCSSProps::kBackgroundOriginKTable); } CSSValue* nsComputedDOMStyle::DoGetBackgroundPosition() { const nsStyleBackground* bg = StyleBackground(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); for (uint32_t i = 0, i_end = bg->mPositionCount; i < i_end; ++i) { nsDOMCSSValueList *itemList = GetROCSSValueList(false); valueList->AppendCSSValue(itemList); nsROCSSPrimitiveValue *valX = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(valX); nsROCSSPrimitiveValue *valY = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(valY); const nsStyleBackground::Position &pos = bg->mLayers[i].mPosition; if (!pos.mXPosition.mHasPercent) { NS_ABORT_IF_FALSE(pos.mXPosition.mPercent == 0.0f, "Shouldn't have mPercent!"); valX->SetAppUnits(pos.mXPosition.mLength); } else if (pos.mXPosition.mLength == 0) { valX->SetPercent(pos.mXPosition.mPercent); } else { SetValueToCalc(&pos.mXPosition, valX); } if (!pos.mYPosition.mHasPercent) { NS_ABORT_IF_FALSE(pos.mYPosition.mPercent == 0.0f, "Shouldn't have mPercent!"); valY->SetAppUnits(pos.mYPosition.mLength); } else if (pos.mYPosition.mLength == 0) { valY->SetPercent(pos.mYPosition.mPercent); } else { SetValueToCalc(&pos.mYPosition, valY); } } return valueList; } CSSValue* nsComputedDOMStyle::DoGetBackgroundRepeat() { const nsStyleBackground* bg = StyleBackground(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); for (uint32_t i = 0, i_end = bg->mRepeatCount; i < i_end; ++i) { nsDOMCSSValueList *itemList = GetROCSSValueList(false); valueList->AppendCSSValue(itemList); nsROCSSPrimitiveValue *valX = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(valX); const uint8_t& xRepeat = bg->mLayers[i].mRepeat.mXRepeat; const uint8_t& yRepeat = bg->mLayers[i].mRepeat.mYRepeat; bool hasContraction = true; unsigned contraction; if (xRepeat == yRepeat) { contraction = xRepeat; } else if (xRepeat == NS_STYLE_BG_REPEAT_REPEAT && yRepeat == NS_STYLE_BG_REPEAT_NO_REPEAT) { contraction = NS_STYLE_BG_REPEAT_REPEAT_X; } else if (xRepeat == NS_STYLE_BG_REPEAT_NO_REPEAT && yRepeat == NS_STYLE_BG_REPEAT_REPEAT) { contraction = NS_STYLE_BG_REPEAT_REPEAT_Y; } else { hasContraction = false; } if (hasContraction) { valX->SetIdent(nsCSSProps::ValueToKeywordEnum(contraction, nsCSSProps::kBackgroundRepeatKTable)); } else { nsROCSSPrimitiveValue *valY = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(valY); valX->SetIdent(nsCSSProps::ValueToKeywordEnum(xRepeat, nsCSSProps::kBackgroundRepeatKTable)); valY->SetIdent(nsCSSProps::ValueToKeywordEnum(yRepeat, nsCSSProps::kBackgroundRepeatKTable)); } } return valueList; } CSSValue* nsComputedDOMStyle::DoGetBackgroundSize() { const nsStyleBackground* bg = StyleBackground(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); for (uint32_t i = 0, i_end = bg->mSizeCount; i < i_end; ++i) { const nsStyleBackground::Size &size = bg->mLayers[i].mSize; switch (size.mWidthType) { case nsStyleBackground::Size::eContain: case nsStyleBackground::Size::eCover: { NS_ABORT_IF_FALSE(size.mWidthType == size.mHeightType, "unsynced types"); nsCSSKeyword keyword = size.mWidthType == nsStyleBackground::Size::eContain ? eCSSKeyword_contain : eCSSKeyword_cover; nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(val); val->SetIdent(keyword); break; } default: { nsDOMCSSValueList *itemList = GetROCSSValueList(false); valueList->AppendCSSValue(itemList); nsROCSSPrimitiveValue* valX = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(valX); nsROCSSPrimitiveValue* valY = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(valY); if (size.mWidthType == nsStyleBackground::Size::eAuto) { valX->SetIdent(eCSSKeyword_auto); } else { NS_ABORT_IF_FALSE(size.mWidthType == nsStyleBackground::Size::eLengthPercentage, "bad mWidthType"); if (!size.mWidth.mHasPercent && // negative values must have come from calc() size.mWidth.mLength >= 0) { NS_ABORT_IF_FALSE(size.mWidth.mPercent == 0.0f, "Shouldn't have mPercent"); valX->SetAppUnits(size.mWidth.mLength); } else if (size.mWidth.mLength == 0 && // negative values must have come from calc() size.mWidth.mPercent >= 0.0f) { valX->SetPercent(size.mWidth.mPercent); } else { SetValueToCalc(&size.mWidth, valX); } } if (size.mHeightType == nsStyleBackground::Size::eAuto) { valY->SetIdent(eCSSKeyword_auto); } else { NS_ABORT_IF_FALSE(size.mHeightType == nsStyleBackground::Size::eLengthPercentage, "bad mHeightType"); if (!size.mHeight.mHasPercent && // negative values must have come from calc() size.mHeight.mLength >= 0) { NS_ABORT_IF_FALSE(size.mHeight.mPercent == 0.0f, "Shouldn't have mPercent"); valY->SetAppUnits(size.mHeight.mLength); } else if (size.mHeight.mLength == 0 && // negative values must have come from calc() size.mHeight.mPercent >= 0.0f) { valY->SetPercent(size.mHeight.mPercent); } else { SetValueToCalc(&size.mHeight, valY); } } break; } } } return valueList; } CSSValue* nsComputedDOMStyle::DoGetPaddingTop() { return GetPaddingWidthFor(NS_SIDE_TOP); } CSSValue* nsComputedDOMStyle::DoGetPaddingBottom() { return GetPaddingWidthFor(NS_SIDE_BOTTOM); } CSSValue* nsComputedDOMStyle::DoGetPaddingLeft() { return GetPaddingWidthFor(NS_SIDE_LEFT); } CSSValue* nsComputedDOMStyle::DoGetPaddingRight() { return GetPaddingWidthFor(NS_SIDE_RIGHT); } CSSValue* nsComputedDOMStyle::DoGetBorderCollapse() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleTableBorder()->mBorderCollapse, nsCSSProps::kBorderCollapseKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetBorderSpacing() { nsDOMCSSValueList *valueList = GetROCSSValueList(false); nsROCSSPrimitiveValue* xSpacing = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(xSpacing); nsROCSSPrimitiveValue* ySpacing = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(ySpacing); const nsStyleTableBorder *border = StyleTableBorder(); xSpacing->SetAppUnits(border->mBorderSpacingX); ySpacing->SetAppUnits(border->mBorderSpacingY); return valueList; } CSSValue* nsComputedDOMStyle::DoGetCaptionSide() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleTableBorder()->mCaptionSide, nsCSSProps::kCaptionSideKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetEmptyCells() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleTableBorder()->mEmptyCells, nsCSSProps::kEmptyCellsKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetTableLayout() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleTable()->mLayoutStrategy, nsCSSProps::kTableLayoutKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetBorderTopStyle() { return GetBorderStyleFor(NS_SIDE_TOP); } CSSValue* nsComputedDOMStyle::DoGetBorderBottomStyle() { return GetBorderStyleFor(NS_SIDE_BOTTOM); } CSSValue* nsComputedDOMStyle::DoGetBorderLeftStyle() { return GetBorderStyleFor(NS_SIDE_LEFT); } CSSValue* nsComputedDOMStyle::DoGetBorderRightStyle() { return GetBorderStyleFor(NS_SIDE_RIGHT); } CSSValue* nsComputedDOMStyle::DoGetBorderBottomColors() { return GetBorderColorsFor(NS_SIDE_BOTTOM); } CSSValue* nsComputedDOMStyle::DoGetBorderLeftColors() { return GetBorderColorsFor(NS_SIDE_LEFT); } CSSValue* nsComputedDOMStyle::DoGetBorderRightColors() { return GetBorderColorsFor(NS_SIDE_RIGHT); } CSSValue* nsComputedDOMStyle::DoGetBorderTopColors() { return GetBorderColorsFor(NS_SIDE_TOP); } CSSValue* nsComputedDOMStyle::DoGetBorderBottomLeftRadius() { return GetEllipseRadii(StyleBorder()->mBorderRadius, NS_CORNER_BOTTOM_LEFT, true); } CSSValue* nsComputedDOMStyle::DoGetBorderBottomRightRadius() { return GetEllipseRadii(StyleBorder()->mBorderRadius, NS_CORNER_BOTTOM_RIGHT, true); } CSSValue* nsComputedDOMStyle::DoGetBorderTopLeftRadius() { return GetEllipseRadii(StyleBorder()->mBorderRadius, NS_CORNER_TOP_LEFT, true); } CSSValue* nsComputedDOMStyle::DoGetBorderTopRightRadius() { return GetEllipseRadii(StyleBorder()->mBorderRadius, NS_CORNER_TOP_RIGHT, true); } CSSValue* nsComputedDOMStyle::DoGetBorderTopWidth() { return GetBorderWidthFor(NS_SIDE_TOP); } CSSValue* nsComputedDOMStyle::DoGetBorderBottomWidth() { return GetBorderWidthFor(NS_SIDE_BOTTOM); } CSSValue* nsComputedDOMStyle::DoGetBorderLeftWidth() { return GetBorderWidthFor(NS_SIDE_LEFT); } CSSValue* nsComputedDOMStyle::DoGetBorderRightWidth() { return GetBorderWidthFor(NS_SIDE_RIGHT); } CSSValue* nsComputedDOMStyle::DoGetBorderTopColor() { return GetBorderColorFor(NS_SIDE_TOP); } CSSValue* nsComputedDOMStyle::DoGetBorderBottomColor() { return GetBorderColorFor(NS_SIDE_BOTTOM); } CSSValue* nsComputedDOMStyle::DoGetBorderLeftColor() { return GetBorderColorFor(NS_SIDE_LEFT); } CSSValue* nsComputedDOMStyle::DoGetBorderRightColor() { return GetBorderColorFor(NS_SIDE_RIGHT); } CSSValue* nsComputedDOMStyle::DoGetMarginTopWidth() { return GetMarginWidthFor(NS_SIDE_TOP); } CSSValue* nsComputedDOMStyle::DoGetMarginBottomWidth() { return GetMarginWidthFor(NS_SIDE_BOTTOM); } CSSValue* nsComputedDOMStyle::DoGetMarginLeftWidth() { return GetMarginWidthFor(NS_SIDE_LEFT); } CSSValue* nsComputedDOMStyle::DoGetMarginRightWidth() { return GetMarginWidthFor(NS_SIDE_RIGHT); } CSSValue* nsComputedDOMStyle::DoGetMarkerOffset() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StyleContent()->mMarkerOffset, false); return val; } CSSValue* nsComputedDOMStyle::DoGetOrient() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mOrient, nsCSSProps::kOrientKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetOutlineWidth() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleOutline* outline = StyleOutline(); nscoord width; if (outline->GetOutlineStyle() == NS_STYLE_BORDER_STYLE_NONE) { NS_ASSERTION(outline->GetOutlineWidth(width) && width == 0, "unexpected width"); width = 0; } else { #ifdef DEBUG bool res = #endif outline->GetOutlineWidth(width); NS_ASSERTION(res, "percent outline doesn't exist"); } val->SetAppUnits(width); return val; } CSSValue* nsComputedDOMStyle::DoGetOutlineStyle() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleOutline()->GetOutlineStyle(), nsCSSProps::kOutlineStyleKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetOutlineOffset() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetAppUnits(StyleOutline()->mOutlineOffset); return val; } CSSValue* nsComputedDOMStyle::DoGetOutlineRadiusBottomLeft() { return GetEllipseRadii(StyleOutline()->mOutlineRadius, NS_CORNER_BOTTOM_LEFT, false); } CSSValue* nsComputedDOMStyle::DoGetOutlineRadiusBottomRight() { return GetEllipseRadii(StyleOutline()->mOutlineRadius, NS_CORNER_BOTTOM_RIGHT, false); } CSSValue* nsComputedDOMStyle::DoGetOutlineRadiusTopLeft() { return GetEllipseRadii(StyleOutline()->mOutlineRadius, NS_CORNER_TOP_LEFT, false); } CSSValue* nsComputedDOMStyle::DoGetOutlineRadiusTopRight() { return GetEllipseRadii(StyleOutline()->mOutlineRadius, NS_CORNER_TOP_RIGHT, false); } CSSValue* nsComputedDOMStyle::DoGetOutlineColor() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; nscolor color; if (!StyleOutline()->GetOutlineColor(color)) color = StyleColor()->mColor; SetToRGBAColor(val, color); return val; } CSSValue* nsComputedDOMStyle::GetEllipseRadii(const nsStyleCorners& aRadius, uint8_t aFullCorner, bool aIsBorder) // else outline { nsStyleCoord radiusX, radiusY; if (mInnerFrame && aIsBorder) { nscoord radii[8]; mInnerFrame->GetBorderRadii(radii); radiusX.SetCoordValue(radii[NS_FULL_TO_HALF_CORNER(aFullCorner, false)]); radiusY.SetCoordValue(radii[NS_FULL_TO_HALF_CORNER(aFullCorner, true)]); } else { radiusX = aRadius.Get(NS_FULL_TO_HALF_CORNER(aFullCorner, false)); radiusY = aRadius.Get(NS_FULL_TO_HALF_CORNER(aFullCorner, true)); if (mInnerFrame) { // We need to convert to absolute coordinates before doing the // equality check below. nscoord v; v = StyleCoordToNSCoord(radiusX, &nsComputedDOMStyle::GetFrameBorderRectWidth, 0, true); radiusX.SetCoordValue(v); v = StyleCoordToNSCoord(radiusY, &nsComputedDOMStyle::GetFrameBorderRectHeight, 0, true); radiusY.SetCoordValue(v); } } // for compatibility, return a single value if X and Y are equal if (radiusX == radiusY) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetValueToCoord(val, radiusX, true); return val; } nsDOMCSSValueList *valueList = GetROCSSValueList(false); nsROCSSPrimitiveValue *valX = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(valX); nsROCSSPrimitiveValue *valY = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(valY); SetValueToCoord(valX, radiusX, true); SetValueToCoord(valY, radiusY, true); return valueList; } CSSValue* nsComputedDOMStyle::GetCSSShadowArray(nsCSSShadowArray* aArray, const nscolor& aDefaultColor, bool aIsBoxShadow) { if (!aArray) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(eCSSKeyword_none); return val; } static nscoord nsCSSShadowItem::* const shadowValuesNoSpread[] = { &nsCSSShadowItem::mXOffset, &nsCSSShadowItem::mYOffset, &nsCSSShadowItem::mRadius }; static nscoord nsCSSShadowItem::* const shadowValuesWithSpread[] = { &nsCSSShadowItem::mXOffset, &nsCSSShadowItem::mYOffset, &nsCSSShadowItem::mRadius, &nsCSSShadowItem::mSpread }; nscoord nsCSSShadowItem::* const * shadowValues; uint32_t shadowValuesLength; if (aIsBoxShadow) { shadowValues = shadowValuesWithSpread; shadowValuesLength = ArrayLength(shadowValuesWithSpread); } else { shadowValues = shadowValuesNoSpread; shadowValuesLength = ArrayLength(shadowValuesNoSpread); } nsDOMCSSValueList *valueList = GetROCSSValueList(true); for (nsCSSShadowItem *item = aArray->ShadowAt(0), *item_end = item + aArray->Length(); item < item_end; ++item) { nsDOMCSSValueList *itemList = GetROCSSValueList(false); valueList->AppendCSSValue(itemList); // Color is either the specified shadow color or the foreground color nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(val); nscolor shadowColor; if (item->mHasColor) { shadowColor = item->mColor; } else { shadowColor = aDefaultColor; } SetToRGBAColor(val, shadowColor); // Set the offsets, blur radius, and spread if available for (uint32_t i = 0; i < shadowValuesLength; ++i) { val = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(val); val->SetAppUnits(item->*(shadowValues[i])); } if (item->mInset && aIsBoxShadow) { // This is an inset box-shadow val = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(val); val->SetIdent( nsCSSProps::ValueToKeywordEnum(NS_STYLE_BOX_SHADOW_INSET, nsCSSProps::kBoxShadowTypeKTable)); } } return valueList; } CSSValue* nsComputedDOMStyle::DoGetBoxShadow() { return GetCSSShadowArray(StyleBorder()->mBoxShadow, StyleColor()->mColor, true); } CSSValue* nsComputedDOMStyle::DoGetZIndex() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StylePosition()->mZIndex, false); return val; } CSSValue* nsComputedDOMStyle::DoGetListStyleImage() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleList* list = StyleList(); if (!list->GetListStyleImage()) { val->SetIdent(eCSSKeyword_none); } else { nsCOMPtr uri; if (list->GetListStyleImage()) { list->GetListStyleImage()->GetURI(getter_AddRefs(uri)); } val->SetURI(uri); } return val; } CSSValue* nsComputedDOMStyle::DoGetListStylePosition() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleList()->mListStylePosition, nsCSSProps::kListStylePositionKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetListStyleType() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleList()->mListStyleType, nsCSSProps::kListStyleKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetImageRegion() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStyleList* list = StyleList(); if (list->mImageRegion.width <= 0 || list->mImageRegion.height <= 0) { val->SetIdent(eCSSKeyword_auto); } else { // create the cssvalues for the sides, stick them in the rect object nsROCSSPrimitiveValue *topVal = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *rightVal = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *bottomVal = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *leftVal = new nsROCSSPrimitiveValue; nsDOMCSSRect * domRect = new nsDOMCSSRect(topVal, rightVal, bottomVal, leftVal); topVal->SetAppUnits(list->mImageRegion.y); rightVal->SetAppUnits(list->mImageRegion.width + list->mImageRegion.x); bottomVal->SetAppUnits(list->mImageRegion.height + list->mImageRegion.y); leftVal->SetAppUnits(list->mImageRegion.x); val->SetRect(domRect); } return val; } CSSValue* nsComputedDOMStyle::DoGetLineHeight() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; nscoord lineHeight; if (GetLineHeightCoord(lineHeight)) { val->SetAppUnits(lineHeight); } else { SetValueToCoord(val, StyleText()->mLineHeight, true, nullptr, nsCSSProps::kLineHeightKTable); } return val; } CSSValue* nsComputedDOMStyle::DoGetVerticalAlign() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StyleTextReset()->mVerticalAlign, false, &nsComputedDOMStyle::GetLineHeightCoord, nsCSSProps::kVerticalAlignKTable); return val; } CSSValue* nsComputedDOMStyle::DoGetTextAlign() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleText()->mTextAlign, nsCSSProps::kTextAlignKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetTextAlignLast() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleText()->mTextAlignLast, nsCSSProps::kTextAlignLastKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetMozTextBlink() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleTextReset()->mTextBlink, nsCSSProps::kTextBlinkKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetTextDecoration() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleTextReset* textReset = StyleTextReset(); // If decoration style or color wasn't initial value, the author knew the // text-decoration is a shorthand property in CSS 3. // Return NULL in such cases. if (textReset->GetDecorationStyle() != NS_STYLE_TEXT_DECORATION_STYLE_SOLID) { return nullptr; } nscolor color; bool isForegroundColor; textReset->GetDecorationColor(color, isForegroundColor); if (!isForegroundColor) { return nullptr; } // Otherwise, the web pages may have been written for CSS 2.1 or earlier, // i.e., text-decoration was assumed as a longhand property. In that case, // we should return computed value same as CSS 2.1 for backward compatibility. uint8_t line = textReset->mTextDecorationLine; // Clear the -moz-anchor-decoration bit and the OVERRIDE_ALL bits -- we // don't want these to appear in the computed style. line &= ~(NS_STYLE_TEXT_DECORATION_LINE_PREF_ANCHORS | NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL); uint8_t blink = textReset->mTextBlink; if (blink == NS_STYLE_TEXT_BLINK_NONE && line == NS_STYLE_TEXT_DECORATION_LINE_NONE) { val->SetIdent(eCSSKeyword_none); } else { nsAutoString str; if (line != NS_STYLE_TEXT_DECORATION_LINE_NONE) { nsStyleUtil::AppendBitmaskCSSValue(eCSSProperty_text_decoration_line, line, NS_STYLE_TEXT_DECORATION_LINE_UNDERLINE, NS_STYLE_TEXT_DECORATION_LINE_LINE_THROUGH, str); } if (blink != NS_STYLE_TEXT_BLINK_NONE) { if (!str.IsEmpty()) { str.Append(PRUnichar(' ')); } nsStyleUtil::AppendBitmaskCSSValue(eCSSProperty_text_blink, blink, NS_STYLE_TEXT_BLINK_BLINK, NS_STYLE_TEXT_BLINK_BLINK, str); } val->SetString(str); } return val; } CSSValue* nsComputedDOMStyle::DoGetTextDecorationColor() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; nscolor color; bool isForeground; StyleTextReset()->GetDecorationColor(color, isForeground); if (isForeground) { color = StyleColor()->mColor; } SetToRGBAColor(val, color); return val; } CSSValue* nsComputedDOMStyle::DoGetTextDecorationLine() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; int32_t intValue = StyleTextReset()->mTextDecorationLine; if (NS_STYLE_TEXT_DECORATION_LINE_NONE == intValue) { val->SetIdent(eCSSKeyword_none); } else { nsAutoString decorationLineString; // Clear the -moz-anchor-decoration bit and the OVERRIDE_ALL bits -- we // don't want these to appear in the computed style. intValue &= ~(NS_STYLE_TEXT_DECORATION_LINE_PREF_ANCHORS | NS_STYLE_TEXT_DECORATION_LINE_OVERRIDE_ALL); nsStyleUtil::AppendBitmaskCSSValue(eCSSProperty_text_decoration_line, intValue, NS_STYLE_TEXT_DECORATION_LINE_UNDERLINE, NS_STYLE_TEXT_DECORATION_LINE_LINE_THROUGH, decorationLineString); val->SetString(decorationLineString); } return val; } CSSValue* nsComputedDOMStyle::DoGetTextDecorationStyle() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleTextReset()->GetDecorationStyle(), nsCSSProps::kTextDecorationStyleKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetTextIndent() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StyleText()->mTextIndent, false, &nsComputedDOMStyle::GetCBContentWidth); return val; } CSSValue* nsComputedDOMStyle::DoGetTextOverflow() { const nsStyleTextReset *style = StyleTextReset(); nsROCSSPrimitiveValue *first = new nsROCSSPrimitiveValue; const nsStyleTextOverflowSide *side = style->mTextOverflow.GetFirstValue(); if (side->mType == NS_STYLE_TEXT_OVERFLOW_STRING) { nsString str; nsStyleUtil::AppendEscapedCSSString(side->mString, str); first->SetString(str); } else { first->SetIdent( nsCSSProps::ValueToKeywordEnum(side->mType, nsCSSProps::kTextOverflowKTable)); } side = style->mTextOverflow.GetSecondValue(); if (!side) { return first; } nsROCSSPrimitiveValue *second = new nsROCSSPrimitiveValue; if (side->mType == NS_STYLE_TEXT_OVERFLOW_STRING) { nsString str; nsStyleUtil::AppendEscapedCSSString(side->mString, str); second->SetString(str); } else { second->SetIdent( nsCSSProps::ValueToKeywordEnum(side->mType, nsCSSProps::kTextOverflowKTable)); } nsDOMCSSValueList *valueList = GetROCSSValueList(false); valueList->AppendCSSValue(first); valueList->AppendCSSValue(second); return valueList; } CSSValue* nsComputedDOMStyle::DoGetTextShadow() { return GetCSSShadowArray(StyleText()->mTextShadow, StyleColor()->mColor, false); } CSSValue* nsComputedDOMStyle::DoGetTextTransform() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleText()->mTextTransform, nsCSSProps::kTextTransformKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetTabSize() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetNumber(StyleText()->mTabSize); return val; } CSSValue* nsComputedDOMStyle::DoGetLetterSpacing() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StyleText()->mLetterSpacing, false); return val; } CSSValue* nsComputedDOMStyle::DoGetWordSpacing() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetAppUnits(StyleText()->mWordSpacing); return val; } CSSValue* nsComputedDOMStyle::DoGetWhiteSpace() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleText()->mWhiteSpace, nsCSSProps::kWhitespaceKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetWindowShadow() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleUIReset()->mWindowShadow, nsCSSProps::kWindowShadowKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetWordBreak() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleText()->mWordBreak, nsCSSProps::kWordBreakKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetWordWrap() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleText()->mWordWrap, nsCSSProps::kWordWrapKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetHyphens() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleText()->mHyphens, nsCSSProps::kHyphensKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetTextSizeAdjust() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; switch (StyleText()->mTextSizeAdjust) { default: NS_NOTREACHED("unexpected value"); // fall through case NS_STYLE_TEXT_SIZE_ADJUST_AUTO: val->SetIdent(eCSSKeyword_auto); break; case NS_STYLE_TEXT_SIZE_ADJUST_NONE: val->SetIdent(eCSSKeyword_none); break; } return val; } CSSValue* nsComputedDOMStyle::DoGetPointerEvents() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleVisibility()->mPointerEvents, nsCSSProps::kPointerEventsKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetVisibility() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleVisibility()->mVisible, nsCSSProps::kVisibilityKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetWritingMode() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleVisibility()->mWritingMode, nsCSSProps::kWritingModeKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetDirection() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleVisibility()->mDirection, nsCSSProps::kDirectionKTable)); return val; } MOZ_STATIC_ASSERT(NS_STYLE_UNICODE_BIDI_NORMAL == 0, "unicode-bidi style constants not as expected"); CSSValue* nsComputedDOMStyle::DoGetUnicodeBidi() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleTextReset()->mUnicodeBidi, nsCSSProps::kUnicodeBidiKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetCursor() { nsDOMCSSValueList *valueList = GetROCSSValueList(true); const nsStyleUserInterface *ui = StyleUserInterface(); for (nsCursorImage *item = ui->mCursorArray, *item_end = ui->mCursorArray + ui->mCursorArrayLength; item < item_end; ++item) { nsDOMCSSValueList *itemList = GetROCSSValueList(false); valueList->AppendCSSValue(itemList); nsCOMPtr uri; item->GetImage()->GetURI(getter_AddRefs(uri)); nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(val); val->SetURI(uri); if (item->mHaveHotspot) { nsROCSSPrimitiveValue *valX = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(valX); nsROCSSPrimitiveValue *valY = new nsROCSSPrimitiveValue; itemList->AppendCSSValue(valY); valX->SetNumber(item->mHotspotX); valY->SetNumber(item->mHotspotY); } } nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(ui->mCursor, nsCSSProps::kCursorKTable)); valueList->AppendCSSValue(val); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAppearance() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mAppearance, nsCSSProps::kAppearanceKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetBoxAlign() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleXUL()->mBoxAlign, nsCSSProps::kBoxAlignKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetBoxDirection() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleXUL()->mBoxDirection, nsCSSProps::kBoxDirectionKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetBoxFlex() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetNumber(StyleXUL()->mBoxFlex); return val; } CSSValue* nsComputedDOMStyle::DoGetBoxOrdinalGroup() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetNumber(StyleXUL()->mBoxOrdinal); return val; } CSSValue* nsComputedDOMStyle::DoGetBoxOrient() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleXUL()->mBoxOrient, nsCSSProps::kBoxOrientKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetBoxPack() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleXUL()->mBoxPack, nsCSSProps::kBoxPackKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetBoxSizing() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StylePosition()->mBoxSizing, nsCSSProps::kBoxSizingKTable)); return val; } /* Border image properties */ CSSValue* nsComputedDOMStyle::DoGetBorderImageSource() { const nsStyleBorder* border = StyleBorder(); imgIRequest* imgSrc = border->GetBorderImage(); nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; if (imgSrc) { nsCOMPtr uri; imgSrc->GetURI(getter_AddRefs(uri)); val->SetURI(uri); } else { val->SetIdent(eCSSKeyword_none); } return val; } CSSValue* nsComputedDOMStyle::DoGetBorderImageSlice() { nsDOMCSSValueList* valueList = GetROCSSValueList(false); const nsStyleBorder* border = StyleBorder(); // Four slice numbers. NS_FOR_CSS_SIDES (side) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(val); SetValueToCoord(val, border->mBorderImageSlice.Get(side), true, nullptr); } // Fill keyword. if (NS_STYLE_BORDER_IMAGE_SLICE_FILL == border->mBorderImageFill) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(val); val->SetIdent(eCSSKeyword_fill); } return valueList; } CSSValue* nsComputedDOMStyle::DoGetBorderImageWidth() { const nsStyleBorder* border = StyleBorder(); nsDOMCSSValueList* valueList = GetROCSSValueList(false); NS_FOR_CSS_SIDES (side) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(val); SetValueToCoord(val, border->mBorderImageWidth.Get(side), true, nullptr); } return valueList; } CSSValue* nsComputedDOMStyle::DoGetBorderImageOutset() { nsDOMCSSValueList *valueList = GetROCSSValueList(false); const nsStyleBorder* border = StyleBorder(); // four slice numbers NS_FOR_CSS_SIDES (side) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(val); SetValueToCoord(val, border->mBorderImageOutset.Get(side), true, nullptr); } return valueList; } CSSValue* nsComputedDOMStyle::DoGetBorderImageRepeat() { nsDOMCSSValueList* valueList = GetROCSSValueList(false); const nsStyleBorder* border = StyleBorder(); // horizontal repeat nsROCSSPrimitiveValue* valX = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(valX); valX->SetIdent( nsCSSProps::ValueToKeywordEnum(border->mBorderImageRepeatH, nsCSSProps::kBorderImageRepeatKTable)); // vertical repeat nsROCSSPrimitiveValue* valY = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(valY); valY->SetIdent( nsCSSProps::ValueToKeywordEnum(border->mBorderImageRepeatV, nsCSSProps::kBorderImageRepeatKTable)); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAlignItems() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StylePosition()->mAlignItems, nsCSSProps::kAlignItemsKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetAlignSelf() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; uint8_t computedAlignSelf = StylePosition()->mAlignSelf; if (computedAlignSelf == NS_STYLE_ALIGN_SELF_AUTO) { // "align-self: auto" needs to compute to parent's align-items value. nsStyleContext* parentStyleContext = mStyleContextHolder->GetParent(); if (parentStyleContext) { computedAlignSelf = parentStyleContext->StylePosition()->mAlignItems; } else { // No parent --> use default. computedAlignSelf = NS_STYLE_ALIGN_ITEMS_INITIAL_VALUE; } } NS_ABORT_IF_FALSE(computedAlignSelf != NS_STYLE_ALIGN_SELF_AUTO, "Should have swapped out 'auto' for something non-auto"); val->SetIdent( nsCSSProps::ValueToKeywordEnum(computedAlignSelf, nsCSSProps::kAlignSelfKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFlexBasis() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; // XXXdholbert We could make this more automagic and resolve percentages // if we wanted, by passing in a PercentageBaseGetter instead of nullptr // below. Logic would go like this: // if (i'm a flex item) { // if (my flex container is horizontal) { // percentageBaseGetter = &nsComputedDOMStyle::GetCBContentWidth; // } else { // percentageBaseGetter = &nsComputedDOMStyle::GetCBContentHeight; // } // } SetValueToCoord(val, StylePosition()->mFlexBasis, true, nullptr, nsCSSProps::kWidthKTable); return val; } CSSValue* nsComputedDOMStyle::DoGetFlexDirection() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StylePosition()->mFlexDirection, nsCSSProps::kFlexDirectionKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFlexGrow() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetNumber(StylePosition()->mFlexGrow); return val; } CSSValue* nsComputedDOMStyle::DoGetFlexShrink() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetNumber(StylePosition()->mFlexShrink); return val; } CSSValue* nsComputedDOMStyle::DoGetOrder() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetNumber(StylePosition()->mOrder); return val; } CSSValue* nsComputedDOMStyle::DoGetJustifyContent() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StylePosition()->mJustifyContent, nsCSSProps::kJustifyContentKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFloatEdge() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleBorder()->mFloatEdge, nsCSSProps::kFloatEdgeKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetForceBrokenImageIcon() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetNumber(StyleUIReset()->mForceBrokenImageIcon); return val; } CSSValue* nsComputedDOMStyle::DoGetImageOrientation() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; nsAutoString string; nsStyleImageOrientation orientation = StyleVisibility()->mImageOrientation; if (orientation.IsFromImage()) { string.AppendLiteral("from-image"); } else { nsStyleUtil::AppendAngleValue(orientation.AngleAsCoord(), string); if (orientation.IsFlipped()) { string.AppendLiteral(" flip"); } } val->SetString(string); return val; } CSSValue* nsComputedDOMStyle::DoGetIMEMode() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleUIReset()->mIMEMode, nsCSSProps::kIMEModeKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetUserFocus() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleUserInterface()->mUserFocus, nsCSSProps::kUserFocusKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetUserInput() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleUserInterface()->mUserInput, nsCSSProps::kUserInputKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetUserModify() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleUserInterface()->mUserModify, nsCSSProps::kUserModifyKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetUserSelect() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleUIReset()->mUserSelect, nsCSSProps::kUserSelectKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetDisplay() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mDisplay, nsCSSProps::kDisplayKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetPosition() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mPosition, nsCSSProps::kPositionKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetClip() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStyleDisplay* display = StyleDisplay(); if (display->mClipFlags == NS_STYLE_CLIP_AUTO) { val->SetIdent(eCSSKeyword_auto); } else { // create the cssvalues for the sides, stick them in the rect object nsROCSSPrimitiveValue *topVal = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *rightVal = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *bottomVal = new nsROCSSPrimitiveValue; nsROCSSPrimitiveValue *leftVal = new nsROCSSPrimitiveValue; nsDOMCSSRect * domRect = new nsDOMCSSRect(topVal, rightVal, bottomVal, leftVal); if (display->mClipFlags & NS_STYLE_CLIP_TOP_AUTO) { topVal->SetIdent(eCSSKeyword_auto); } else { topVal->SetAppUnits(display->mClip.y); } if (display->mClipFlags & NS_STYLE_CLIP_RIGHT_AUTO) { rightVal->SetIdent(eCSSKeyword_auto); } else { rightVal->SetAppUnits(display->mClip.width + display->mClip.x); } if (display->mClipFlags & NS_STYLE_CLIP_BOTTOM_AUTO) { bottomVal->SetIdent(eCSSKeyword_auto); } else { bottomVal->SetAppUnits(display->mClip.height + display->mClip.y); } if (display->mClipFlags & NS_STYLE_CLIP_LEFT_AUTO) { leftVal->SetIdent(eCSSKeyword_auto); } else { leftVal->SetAppUnits(display->mClip.x); } val->SetRect(domRect); } return val; } CSSValue* nsComputedDOMStyle::DoGetOverflow() { const nsStyleDisplay* display = StyleDisplay(); if (display->mOverflowX != display->mOverflowY) { // No value to return. We can't express this combination of // values as a shorthand. return nullptr; } nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(display->mOverflowX, nsCSSProps::kOverflowKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetOverflowX() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mOverflowX, nsCSSProps::kOverflowSubKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetOverflowY() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mOverflowY, nsCSSProps::kOverflowSubKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetResize() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mResize, nsCSSProps::kResizeKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetPageBreakAfter() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStyleDisplay *display = StyleDisplay(); if (display->mBreakAfter) { val->SetIdent(eCSSKeyword_always); } else { val->SetIdent(eCSSKeyword_auto); } return val; } CSSValue* nsComputedDOMStyle::DoGetPageBreakBefore() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStyleDisplay *display = StyleDisplay(); if (display->mBreakBefore) { val->SetIdent(eCSSKeyword_always); } else { val->SetIdent(eCSSKeyword_auto); } return val; } CSSValue* nsComputedDOMStyle::DoGetPageBreakInside() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleDisplay()->mBreakInside, nsCSSProps::kPageBreakInsideKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetHeight() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; bool calcHeight = false; if (mInnerFrame) { calcHeight = true; const nsStyleDisplay* displayData = StyleDisplay(); if (displayData->mDisplay == NS_STYLE_DISPLAY_INLINE && !(mInnerFrame->IsFrameOfType(nsIFrame::eReplaced))) { calcHeight = false; } } if (calcHeight) { AssertFlushedPendingReflows(); nsMargin adjustedValues = GetAdjustedValuesForBoxSizing(); val->SetAppUnits(mInnerFrame->GetContentRect().height + adjustedValues.TopBottom()); } else { const nsStylePosition *positionData = StylePosition(); nscoord minHeight = StyleCoordToNSCoord(positionData->mMinHeight, &nsComputedDOMStyle::GetCBContentHeight, 0, true); nscoord maxHeight = StyleCoordToNSCoord(positionData->mMaxHeight, &nsComputedDOMStyle::GetCBContentHeight, nscoord_MAX, true); SetValueToCoord(val, positionData->mHeight, true, nullptr, nullptr, minHeight, maxHeight); } return val; } CSSValue* nsComputedDOMStyle::DoGetWidth() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; bool calcWidth = false; if (mInnerFrame) { calcWidth = true; const nsStyleDisplay *displayData = StyleDisplay(); if (displayData->mDisplay == NS_STYLE_DISPLAY_INLINE && !(mInnerFrame->IsFrameOfType(nsIFrame::eReplaced))) { calcWidth = false; } } if (calcWidth) { AssertFlushedPendingReflows(); nsMargin adjustedValues = GetAdjustedValuesForBoxSizing(); val->SetAppUnits(mInnerFrame->GetContentRect().width + adjustedValues.LeftRight()); } else { const nsStylePosition *positionData = StylePosition(); nscoord minWidth = StyleCoordToNSCoord(positionData->mMinWidth, &nsComputedDOMStyle::GetCBContentWidth, 0, true); nscoord maxWidth = StyleCoordToNSCoord(positionData->mMaxWidth, &nsComputedDOMStyle::GetCBContentWidth, nscoord_MAX, true); SetValueToCoord(val, positionData->mWidth, true, nullptr, nsCSSProps::kWidthKTable, minWidth, maxWidth); } return val; } CSSValue* nsComputedDOMStyle::DoGetMaxHeight() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StylePosition()->mMaxHeight, true, &nsComputedDOMStyle::GetCBContentHeight); return val; } CSSValue* nsComputedDOMStyle::DoGetMaxWidth() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StylePosition()->mMaxWidth, true, &nsComputedDOMStyle::GetCBContentWidth, nsCSSProps::kWidthKTable); return val; } CSSValue* nsComputedDOMStyle::DoGetMinHeight() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StylePosition()->mMinHeight, true, &nsComputedDOMStyle::GetCBContentHeight); return val; } CSSValue* nsComputedDOMStyle::DoGetMinWidth() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StylePosition()->mMinWidth, true, &nsComputedDOMStyle::GetCBContentWidth, nsCSSProps::kWidthKTable); return val; } CSSValue* nsComputedDOMStyle::DoGetLeft() { return GetOffsetWidthFor(NS_SIDE_LEFT); } CSSValue* nsComputedDOMStyle::DoGetRight() { return GetOffsetWidthFor(NS_SIDE_RIGHT); } CSSValue* nsComputedDOMStyle::DoGetTop() { return GetOffsetWidthFor(NS_SIDE_TOP); } nsDOMCSSValueList* nsComputedDOMStyle::GetROCSSValueList(bool aCommaDelimited) { nsDOMCSSValueList *valueList = new nsDOMCSSValueList(aCommaDelimited, true); NS_ASSERTION(valueList != 0, "ran out of memory"); return valueList; } CSSValue* nsComputedDOMStyle::GetOffsetWidthFor(mozilla::css::Side aSide) { const nsStyleDisplay* display = StyleDisplay(); AssertFlushedPendingReflows(); uint8_t position = display->mPosition; if (!mOuterFrame) { // GetRelativeOffset and GetAbsoluteOffset don't handle elements // without frames in any sensible way. GetStaticOffset, however, // is perfect for that case. position = NS_STYLE_POSITION_STATIC; } switch (position) { case NS_STYLE_POSITION_STATIC: return GetStaticOffset(aSide); case NS_STYLE_POSITION_RELATIVE: return GetRelativeOffset(aSide); case NS_STYLE_POSITION_ABSOLUTE: case NS_STYLE_POSITION_FIXED: return GetAbsoluteOffset(aSide); default: NS_ERROR("Invalid position"); return nullptr; } } CSSValue* nsComputedDOMStyle::GetAbsoluteOffset(mozilla::css::Side aSide) { MOZ_ASSERT(mOuterFrame, "need a frame, so we can call GetContainingBlock()"); nsIFrame* container = mOuterFrame->GetContainingBlock(); nsMargin margin = mOuterFrame->GetUsedMargin(); nsMargin border = container->GetUsedBorder(); nsMargin scrollbarSizes(0, 0, 0, 0); nsRect rect = mOuterFrame->GetRect(); nsRect containerRect = container->GetRect(); if (container->GetType() == nsGkAtoms::viewportFrame) { // For absolutely positioned frames scrollbars are taken into // account by virtue of getting a containing block that does // _not_ include the scrollbars. For fixed positioned frames, // the containing block is the viewport, which _does_ include // scrollbars. We have to do some extra work. // the first child in the default frame list is what we want nsIFrame* scrollingChild = container->GetFirstPrincipalChild(); nsIScrollableFrame *scrollFrame = do_QueryFrame(scrollingChild); if (scrollFrame) { scrollbarSizes = scrollFrame->GetActualScrollbarSizes(); } } nscoord offset = 0; switch (aSide) { case NS_SIDE_TOP: offset = rect.y - margin.top - border.top - scrollbarSizes.top; break; case NS_SIDE_RIGHT: offset = containerRect.width - rect.width - rect.x - margin.right - border.right - scrollbarSizes.right; break; case NS_SIDE_BOTTOM: offset = containerRect.height - rect.height - rect.y - margin.bottom - border.bottom - scrollbarSizes.bottom; break; case NS_SIDE_LEFT: offset = rect.x - margin.left - border.left - scrollbarSizes.left; break; default: NS_ERROR("Invalid side"); break; } nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetAppUnits(offset); return val; } MOZ_STATIC_ASSERT(NS_SIDE_TOP == 0 && NS_SIDE_RIGHT == 1 && NS_SIDE_BOTTOM == 2 && NS_SIDE_LEFT == 3, "box side constants not as expected for NS_OPPOSITE_SIDE"); #define NS_OPPOSITE_SIDE(s_) mozilla::css::Side(((s_) + 2) & 3) CSSValue* nsComputedDOMStyle::GetRelativeOffset(mozilla::css::Side aSide) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; const nsStylePosition* positionData = StylePosition(); int32_t sign = 1; nsStyleCoord coord = positionData->mOffset.Get(aSide); NS_ASSERTION(coord.GetUnit() == eStyleUnit_Coord || coord.GetUnit() == eStyleUnit_Percent || coord.GetUnit() == eStyleUnit_Auto || coord.IsCalcUnit(), "Unexpected unit"); if (coord.GetUnit() == eStyleUnit_Auto) { coord = positionData->mOffset.Get(NS_OPPOSITE_SIDE(aSide)); sign = -1; } PercentageBaseGetter baseGetter; if (aSide == NS_SIDE_LEFT || aSide == NS_SIDE_RIGHT) { baseGetter = &nsComputedDOMStyle::GetCBContentWidth; } else { baseGetter = &nsComputedDOMStyle::GetCBContentHeight; } val->SetAppUnits(sign * StyleCoordToNSCoord(coord, baseGetter, 0, false)); return val; } CSSValue* nsComputedDOMStyle::GetStaticOffset(mozilla::css::Side aSide) { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StylePosition()->mOffset.Get(aSide), false); return val; } CSSValue* nsComputedDOMStyle::GetPaddingWidthFor(mozilla::css::Side aSide) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; if (!mInnerFrame) { SetValueToCoord(val, StylePadding()->mPadding.Get(aSide), true); } else { AssertFlushedPendingReflows(); val->SetAppUnits(mInnerFrame->GetUsedPadding().Side(aSide)); } return val; } bool nsComputedDOMStyle::GetLineHeightCoord(nscoord& aCoord) { AssertFlushedPendingReflows(); nscoord blockHeight = NS_AUTOHEIGHT; if (StyleText()->mLineHeight.GetUnit() == eStyleUnit_Enumerated) { if (!mInnerFrame) return false; if (nsLayoutUtils::IsNonWrapperBlock(mInnerFrame)) { blockHeight = mInnerFrame->GetContentRect().height; } else { GetCBContentHeight(blockHeight); } } // lie about font size inflation since we lie about font size (since // the inflation only applies to text) aCoord = nsHTMLReflowState::CalcLineHeight(mStyleContextHolder, blockHeight, 1.0f); // CalcLineHeight uses font->mFont.size, but we want to use // font->mSize as the font size. Adjust for that. Also adjust for // the text zoom, if any. const nsStyleFont* font = StyleFont(); float fCoord = float(aCoord) / mPresShell->GetPresContext()->TextZoom(); if (font->mFont.size != font->mSize) { fCoord = fCoord * (float(font->mSize) / float(font->mFont.size)); } aCoord = NSToCoordRound(fCoord); return true; } CSSValue* nsComputedDOMStyle::GetBorderColorsFor(mozilla::css::Side aSide) { const nsStyleBorder *border = StyleBorder(); if (border->mBorderColors) { nsBorderColors* borderColors = border->mBorderColors[aSide]; if (borderColors) { nsDOMCSSValueList *valueList = GetROCSSValueList(false); do { nsROCSSPrimitiveValue *primitive = new nsROCSSPrimitiveValue; SetToRGBAColor(primitive, borderColors->mColor); valueList->AppendCSSValue(primitive); borderColors = borderColors->mNext; } while (borderColors); return valueList; } } nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(eCSSKeyword_none); return val; } CSSValue* nsComputedDOMStyle::GetBorderWidthFor(mozilla::css::Side aSide) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; nscoord width; if (mInnerFrame) { AssertFlushedPendingReflows(); width = mInnerFrame->GetUsedBorder().Side(aSide); } else { width = StyleBorder()->GetComputedBorderWidth(aSide); } val->SetAppUnits(width); return val; } CSSValue* nsComputedDOMStyle::GetBorderColorFor(mozilla::css::Side aSide) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; nscolor color; bool foreground; StyleBorder()->GetBorderColor(aSide, color, foreground); if (foreground) { color = StyleColor()->mColor; } SetToRGBAColor(val, color); return val; } CSSValue* nsComputedDOMStyle::GetMarginWidthFor(mozilla::css::Side aSide) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; if (!mInnerFrame) { SetValueToCoord(val, StyleMargin()->mMargin.Get(aSide), false); } else { AssertFlushedPendingReflows(); // For tables, GetUsedMargin always returns an empty margin, so we // should read the margin from the outer table frame instead. val->SetAppUnits(mOuterFrame->GetUsedMargin().Side(aSide)); NS_ASSERTION(mOuterFrame == mInnerFrame || mInnerFrame->GetUsedMargin() == nsMargin(0, 0, 0, 0), "Inner tables must have zero margins"); } return val; } CSSValue* nsComputedDOMStyle::GetBorderStyleFor(mozilla::css::Side aSide) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleBorder()->GetBorderStyle(aSide), nsCSSProps::kBorderStyleKTable)); return val; } void nsComputedDOMStyle::SetValueToCoord(nsROCSSPrimitiveValue* aValue, const nsStyleCoord& aCoord, bool aClampNegativeCalc, PercentageBaseGetter aPercentageBaseGetter, const int32_t aTable[], nscoord aMinAppUnits, nscoord aMaxAppUnits) { NS_PRECONDITION(aValue, "Must have a value to work with"); switch (aCoord.GetUnit()) { case eStyleUnit_Normal: aValue->SetIdent(eCSSKeyword_normal); break; case eStyleUnit_Auto: aValue->SetIdent(eCSSKeyword_auto); break; case eStyleUnit_Percent: { nscoord percentageBase; if (aPercentageBaseGetter && (this->*aPercentageBaseGetter)(percentageBase)) { nscoord val = NSCoordSaturatingMultiply(percentageBase, aCoord.GetPercentValue()); aValue->SetAppUnits(std::max(aMinAppUnits, std::min(val, aMaxAppUnits))); } else { aValue->SetPercent(aCoord.GetPercentValue()); } } break; case eStyleUnit_Factor: aValue->SetNumber(aCoord.GetFactorValue()); break; case eStyleUnit_Coord: { nscoord val = aCoord.GetCoordValue(); aValue->SetAppUnits(std::max(aMinAppUnits, std::min(val, aMaxAppUnits))); } break; case eStyleUnit_Integer: aValue->SetNumber(aCoord.GetIntValue()); break; case eStyleUnit_Enumerated: NS_ASSERTION(aTable, "Must have table to handle this case"); aValue->SetIdent(nsCSSProps::ValueToKeywordEnum(aCoord.GetIntValue(), aTable)); break; case eStyleUnit_None: aValue->SetIdent(eCSSKeyword_none); break; case eStyleUnit_Calc: nscoord percentageBase; if (!aCoord.CalcHasPercent()) { nscoord val = nsRuleNode::ComputeCoordPercentCalc(aCoord, 0); if (aClampNegativeCalc && val < 0) { NS_ABORT_IF_FALSE(aCoord.IsCalcUnit(), "parser should have rejected value"); val = 0; } aValue->SetAppUnits(std::max(aMinAppUnits, std::min(val, aMaxAppUnits))); } else if (aPercentageBaseGetter && (this->*aPercentageBaseGetter)(percentageBase)) { nscoord val = nsRuleNode::ComputeCoordPercentCalc(aCoord, percentageBase); if (aClampNegativeCalc && val < 0) { NS_ABORT_IF_FALSE(aCoord.IsCalcUnit(), "parser should have rejected value"); val = 0; } aValue->SetAppUnits(std::max(aMinAppUnits, std::min(val, aMaxAppUnits))); } else { nsStyleCoord::Calc *calc = aCoord.GetCalcValue(); SetValueToCalc(calc, aValue); } break; case eStyleUnit_Degree: aValue->SetDegree(aCoord.GetAngleValue()); break; case eStyleUnit_Grad: aValue->SetGrad(aCoord.GetAngleValue()); break; case eStyleUnit_Radian: aValue->SetRadian(aCoord.GetAngleValue()); break; case eStyleUnit_Turn: aValue->SetTurn(aCoord.GetAngleValue()); break; default: NS_ERROR("Can't handle this unit"); break; } } nscoord nsComputedDOMStyle::StyleCoordToNSCoord(const nsStyleCoord& aCoord, PercentageBaseGetter aPercentageBaseGetter, nscoord aDefaultValue, bool aClampNegativeCalc) { NS_PRECONDITION(aPercentageBaseGetter, "Must have a percentage base getter"); if (aCoord.GetUnit() == eStyleUnit_Coord) { return aCoord.GetCoordValue(); } if (aCoord.GetUnit() == eStyleUnit_Percent || aCoord.IsCalcUnit()) { nscoord percentageBase; if ((this->*aPercentageBaseGetter)(percentageBase)) { nscoord result = nsRuleNode::ComputeCoordPercentCalc(aCoord, percentageBase); if (aClampNegativeCalc && result < 0) { NS_ABORT_IF_FALSE(aCoord.IsCalcUnit(), "parser should have rejected value"); result = 0; } return result; } // Fall through to returning aDefaultValue if we have no percentage base. } return aDefaultValue; } bool nsComputedDOMStyle::GetCBContentWidth(nscoord& aWidth) { if (!mOuterFrame) { return false; } AssertFlushedPendingReflows(); nsIFrame* container = mOuterFrame->GetContainingBlock(); aWidth = container->GetContentRect().width; return true; } bool nsComputedDOMStyle::GetCBContentHeight(nscoord& aHeight) { if (!mOuterFrame) { return false; } AssertFlushedPendingReflows(); nsIFrame* container = mOuterFrame->GetContainingBlock(); aHeight = container->GetContentRect().height; return true; } bool nsComputedDOMStyle::GetFrameBorderRectWidth(nscoord& aWidth) { if (!mInnerFrame) { return false; } AssertFlushedPendingReflows(); aWidth = mInnerFrame->GetSize().width; return true; } bool nsComputedDOMStyle::GetFrameBorderRectHeight(nscoord& aHeight) { if (!mInnerFrame) { return false; } AssertFlushedPendingReflows(); aHeight = mInnerFrame->GetSize().height; return true; } bool nsComputedDOMStyle::GetFrameBoundsWidthForTransform(nscoord& aWidth) { // We need a frame to work with. if (!mInnerFrame) { return false; } AssertFlushedPendingReflows(); aWidth = nsDisplayTransform::GetFrameBoundsForTransform(mInnerFrame).width; return true; } bool nsComputedDOMStyle::GetFrameBoundsHeightForTransform(nscoord& aHeight) { // We need a frame to work with. if (!mInnerFrame) { return false; } AssertFlushedPendingReflows(); aHeight = nsDisplayTransform::GetFrameBoundsForTransform(mInnerFrame).height; return true; } CSSValue* nsComputedDOMStyle::GetSVGPaintFor(bool aFill) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleSVG* svg = StyleSVG(); const nsStyleSVGPaint* paint = nullptr; if (aFill) paint = &svg->mFill; else paint = &svg->mStroke; nsAutoString paintString; switch (paint->mType) { case eStyleSVGPaintType_None: { val->SetIdent(eCSSKeyword_none); break; } case eStyleSVGPaintType_Color: { SetToRGBAColor(val, paint->mPaint.mColor); break; } case eStyleSVGPaintType_Server: { nsDOMCSSValueList *valueList = GetROCSSValueList(false); valueList->AppendCSSValue(val); nsROCSSPrimitiveValue* fallback = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(fallback); val->SetURI(paint->mPaint.mPaintServer); SetToRGBAColor(fallback, paint->mFallbackColor); return valueList; } case eStyleSVGPaintType_ObjectFill: { val->SetIdent(eCSSKeyword__moz_objectfill); break; } case eStyleSVGPaintType_ObjectStroke: { val->SetIdent(eCSSKeyword__moz_objectstroke); break; } } return val; } CSSValue* nsComputedDOMStyle::DoGetFill() { return GetSVGPaintFor(true); } CSSValue* nsComputedDOMStyle::DoGetStroke() { return GetSVGPaintFor(false); } CSSValue* nsComputedDOMStyle::DoGetMarkerEnd() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleSVG* svg = StyleSVG(); if (svg->mMarkerEnd) val->SetURI(svg->mMarkerEnd); else val->SetIdent(eCSSKeyword_none); return val; } CSSValue* nsComputedDOMStyle::DoGetMarkerMid() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleSVG* svg = StyleSVG(); if (svg->mMarkerMid) val->SetURI(svg->mMarkerMid); else val->SetIdent(eCSSKeyword_none); return val; } CSSValue* nsComputedDOMStyle::DoGetMarkerStart() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleSVG* svg = StyleSVG(); if (svg->mMarkerStart) val->SetURI(svg->mMarkerStart); else val->SetIdent(eCSSKeyword_none); return val; } CSSValue* nsComputedDOMStyle::DoGetStrokeDasharray() { const nsStyleSVG* svg = StyleSVG(); if (!svg->mStrokeDasharrayLength || !svg->mStrokeDasharray) { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; val->SetIdent(eCSSKeyword_none); return val; } nsDOMCSSValueList *valueList = GetROCSSValueList(true); for (uint32_t i = 0; i < svg->mStrokeDasharrayLength; i++) { nsROCSSPrimitiveValue* dash = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(dash); SetValueToCoord(dash, svg->mStrokeDasharray[i], true); } return valueList; } CSSValue* nsComputedDOMStyle::DoGetStrokeDashoffset() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StyleSVG()->mStrokeDashoffset, false); return val; } CSSValue* nsComputedDOMStyle::DoGetStrokeWidth() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; SetValueToCoord(val, StyleSVG()->mStrokeWidth, true); return val; } CSSValue* nsComputedDOMStyle::DoGetVectorEffect() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum(StyleSVGReset()->mVectorEffect, nsCSSProps::kVectorEffectKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFillOpacity() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetNumber(StyleSVG()->mFillOpacity); return val; } CSSValue* nsComputedDOMStyle::DoGetFloodOpacity() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetNumber(StyleSVGReset()->mFloodOpacity); return val; } CSSValue* nsComputedDOMStyle::DoGetStopOpacity() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetNumber(StyleSVGReset()->mStopOpacity); return val; } CSSValue* nsComputedDOMStyle::DoGetStrokeMiterlimit() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetNumber(StyleSVG()->mStrokeMiterlimit); return val; } CSSValue* nsComputedDOMStyle::DoGetStrokeOpacity() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetNumber(StyleSVG()->mStrokeOpacity); return val; } CSSValue* nsComputedDOMStyle::DoGetClipRule() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum( StyleSVG()->mClipRule, nsCSSProps::kFillRuleKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFillRule() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent(nsCSSProps::ValueToKeywordEnum( StyleSVG()->mFillRule, nsCSSProps::kFillRuleKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetStrokeLinecap() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVG()->mStrokeLinecap, nsCSSProps::kStrokeLinecapKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetStrokeLinejoin() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVG()->mStrokeLinejoin, nsCSSProps::kStrokeLinejoinKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetTextAnchor() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVG()->mTextAnchor, nsCSSProps::kTextAnchorKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetColorInterpolation() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVG()->mColorInterpolation, nsCSSProps::kColorInterpolationKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetColorInterpolationFilters() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVG()->mColorInterpolationFilters, nsCSSProps::kColorInterpolationKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetDominantBaseline() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVGReset()->mDominantBaseline, nsCSSProps::kDominantBaselineKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetImageRendering() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVG()->mImageRendering, nsCSSProps::kImageRenderingKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetShapeRendering() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVG()->mShapeRendering, nsCSSProps::kShapeRenderingKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetTextRendering() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVG()->mTextRendering, nsCSSProps::kTextRenderingKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetFloodColor() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetToRGBAColor(val, StyleSVGReset()->mFloodColor); return val; } CSSValue* nsComputedDOMStyle::DoGetLightingColor() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetToRGBAColor(val, StyleSVGReset()->mLightingColor); return val; } CSSValue* nsComputedDOMStyle::DoGetStopColor() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; SetToRGBAColor(val, StyleSVGReset()->mStopColor); return val; } CSSValue* nsComputedDOMStyle::DoGetClipPath() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleSVGReset* svg = StyleSVGReset(); if (svg->mClipPath) val->SetURI(svg->mClipPath); else val->SetIdent(eCSSKeyword_none); return val; } void nsComputedDOMStyle::SetCssTextToCoord(nsAString& aCssText, const nsStyleCoord& aCoord) { nsROCSSPrimitiveValue* value = new nsROCSSPrimitiveValue; bool clampNegativeCalc = true; SetValueToCoord(value, aCoord, clampNegativeCalc); value->GetCssText(aCssText); delete value; } CSSValue* nsComputedDOMStyle::CreatePrimitiveValueForStyleFilter( const nsStyleFilter& aStyleFilter) { nsROCSSPrimitiveValue* value = new nsROCSSPrimitiveValue; // Handle url(). if (aStyleFilter.GetType() == NS_STYLE_FILTER_URL) { value->SetURI(aStyleFilter.GetURL()); return value; } // Filter function name and opening parenthesis. nsAutoString filterFunctionString; AppendASCIItoUTF16( nsCSSProps::ValueToKeyword(aStyleFilter.GetType(), nsCSSProps::kFilterFunctionKTable), filterFunctionString); filterFunctionString.AppendLiteral("("); nsAutoString argumentString; if (aStyleFilter.GetType() == NS_STYLE_FILTER_DROP_SHADOW) { // Handle drop-shadow() nsRefPtr shadowValue = GetCSSShadowArray(aStyleFilter.GetDropShadow(), StyleColor()->mColor, false); ErrorResult dummy; shadowValue->GetCssText(argumentString, dummy); } else { // Filter function argument. SetCssTextToCoord(argumentString, aStyleFilter.GetFilterParameter()); } filterFunctionString.Append(argumentString); // Filter function closing parenthesis. filterFunctionString.AppendLiteral(")"); value->SetString(filterFunctionString); return value; } CSSValue* nsComputedDOMStyle::DoGetFilter() { const nsTArray& filters = StyleSVGReset()->mFilters; if (filters.IsEmpty()) { nsROCSSPrimitiveValue* value = new nsROCSSPrimitiveValue; value->SetIdent(eCSSKeyword_none); return value; } nsDOMCSSValueList* valueList = GetROCSSValueList(false); for(uint32_t i = 0; i < filters.Length(); i++) { CSSValue* value = CreatePrimitiveValueForStyleFilter(filters[i]); valueList->AppendCSSValue(value); } return valueList; } CSSValue* nsComputedDOMStyle::DoGetMask() { nsROCSSPrimitiveValue* val = new nsROCSSPrimitiveValue; const nsStyleSVGReset* svg = StyleSVGReset(); if (svg->mMask) val->SetURI(svg->mMask); else val->SetIdent(eCSSKeyword_none); return val; } CSSValue* nsComputedDOMStyle::DoGetMaskType() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; val->SetIdent( nsCSSProps::ValueToKeywordEnum(StyleSVGReset()->mMaskType, nsCSSProps::kMaskTypeKTable)); return val; } CSSValue* nsComputedDOMStyle::DoGetPaintOrder() { nsROCSSPrimitiveValue *val = new nsROCSSPrimitiveValue; nsAutoString string; uint8_t paintOrder = StyleSVG()->mPaintOrder; nsStyleUtil::AppendPaintOrderValue(paintOrder, string); val->SetString(string); return val; } CSSValue* nsComputedDOMStyle::DoGetTransitionDelay() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mTransitionDelayCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsTransition *transition = &display->mTransitions[i]; nsROCSSPrimitiveValue* delay = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(delay); delay->SetTime((float)transition->GetDelay() / (float)PR_MSEC_PER_SEC); } while (++i < display->mTransitionDelayCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetTransitionDuration() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mTransitionDurationCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsTransition *transition = &display->mTransitions[i]; nsROCSSPrimitiveValue* duration = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(duration); duration->SetTime((float)transition->GetDuration() / (float)PR_MSEC_PER_SEC); } while (++i < display->mTransitionDurationCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetTransitionProperty() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mTransitionPropertyCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsTransition *transition = &display->mTransitions[i]; nsROCSSPrimitiveValue* property = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(property); nsCSSProperty cssprop = transition->GetProperty(); if (cssprop == eCSSPropertyExtra_all_properties) property->SetIdent(eCSSKeyword_all); else if (cssprop == eCSSPropertyExtra_no_properties) property->SetIdent(eCSSKeyword_none); else if (cssprop == eCSSProperty_UNKNOWN) { nsAutoString escaped; nsStyleUtil::AppendEscapedCSSIdent( nsDependentAtomString(transition->GetUnknownProperty()), escaped); property->SetString(escaped); // really want SetIdent } else property->SetString(nsCSSProps::GetStringValue(cssprop)); } while (++i < display->mTransitionPropertyCount); return valueList; } void nsComputedDOMStyle::AppendTimingFunction(nsDOMCSSValueList *aValueList, const nsTimingFunction& aTimingFunction) { nsROCSSPrimitiveValue* timingFunction = new nsROCSSPrimitiveValue; aValueList->AppendCSSValue(timingFunction); nsAutoString tmp; if (aTimingFunction.mType == nsTimingFunction::Function) { // set the value from the cubic-bezier control points // (We could try to regenerate the keywords if we want.) tmp.AppendLiteral("cubic-bezier("); tmp.AppendFloat(aTimingFunction.mFunc.mX1); tmp.AppendLiteral(", "); tmp.AppendFloat(aTimingFunction.mFunc.mY1); tmp.AppendLiteral(", "); tmp.AppendFloat(aTimingFunction.mFunc.mX2); tmp.AppendLiteral(", "); tmp.AppendFloat(aTimingFunction.mFunc.mY2); tmp.AppendLiteral(")"); } else { tmp.AppendLiteral("steps("); tmp.AppendInt(aTimingFunction.mSteps); if (aTimingFunction.mType == nsTimingFunction::StepStart) { tmp.AppendLiteral(", start)"); } else { tmp.AppendLiteral(", end)"); } } timingFunction->SetString(tmp); } CSSValue* nsComputedDOMStyle::DoGetTransitionTimingFunction() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mTransitionTimingFunctionCount > 0, "first item must be explicit"); uint32_t i = 0; do { AppendTimingFunction(valueList, display->mTransitions[i].GetTimingFunction()); } while (++i < display->mTransitionTimingFunctionCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAnimationName() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mAnimationNameCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsAnimation *animation = &display->mAnimations[i]; nsROCSSPrimitiveValue* property = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(property); const nsString& name = animation->GetName(); if (name.IsEmpty()) { property->SetIdent(eCSSKeyword_none); } else { nsAutoString escaped; nsStyleUtil::AppendEscapedCSSIdent(animation->GetName(), escaped); property->SetString(escaped); // really want SetIdent } } while (++i < display->mAnimationNameCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAnimationDelay() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mAnimationDelayCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsAnimation *animation = &display->mAnimations[i]; nsROCSSPrimitiveValue* delay = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(delay); delay->SetTime((float)animation->GetDelay() / (float)PR_MSEC_PER_SEC); } while (++i < display->mAnimationDelayCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAnimationDuration() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mAnimationDurationCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsAnimation *animation = &display->mAnimations[i]; nsROCSSPrimitiveValue* duration = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(duration); duration->SetTime((float)animation->GetDuration() / (float)PR_MSEC_PER_SEC); } while (++i < display->mAnimationDurationCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAnimationTimingFunction() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mAnimationTimingFunctionCount > 0, "first item must be explicit"); uint32_t i = 0; do { AppendTimingFunction(valueList, display->mAnimations[i].GetTimingFunction()); } while (++i < display->mAnimationTimingFunctionCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAnimationDirection() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mAnimationDirectionCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsAnimation *animation = &display->mAnimations[i]; nsROCSSPrimitiveValue* direction = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(direction); direction->SetIdent( nsCSSProps::ValueToKeywordEnum(animation->GetDirection(), nsCSSProps::kAnimationDirectionKTable)); } while (++i < display->mAnimationDirectionCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAnimationFillMode() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mAnimationFillModeCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsAnimation *animation = &display->mAnimations[i]; nsROCSSPrimitiveValue* fillMode = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(fillMode); fillMode->SetIdent( nsCSSProps::ValueToKeywordEnum(animation->GetFillMode(), nsCSSProps::kAnimationFillModeKTable)); } while (++i < display->mAnimationFillModeCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAnimationIterationCount() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mAnimationIterationCountCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsAnimation *animation = &display->mAnimations[i]; nsROCSSPrimitiveValue* iterationCount = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(iterationCount); float f = animation->GetIterationCount(); /* Need a nasty hack here to work around an optimizer bug in gcc 4.2 on Mac, which somehow gets confused when directly comparing a float to the return value of NS_IEEEPositiveInfinity when building 32-bit builds. */ #ifdef XP_MACOSX volatile #endif float inf = NS_IEEEPositiveInfinity(); if (f == inf) { iterationCount->SetIdent(eCSSKeyword_infinite); } else { iterationCount->SetNumber(f); } } while (++i < display->mAnimationIterationCountCount); return valueList; } CSSValue* nsComputedDOMStyle::DoGetAnimationPlayState() { const nsStyleDisplay* display = StyleDisplay(); nsDOMCSSValueList *valueList = GetROCSSValueList(true); NS_ABORT_IF_FALSE(display->mAnimationPlayStateCount > 0, "first item must be explicit"); uint32_t i = 0; do { const nsAnimation *animation = &display->mAnimations[i]; nsROCSSPrimitiveValue* playState = new nsROCSSPrimitiveValue; valueList->AppendCSSValue(playState); playState->SetIdent( nsCSSProps::ValueToKeywordEnum(animation->GetPlayState(), nsCSSProps::kAnimationPlayStateKTable)); } while (++i < display->mAnimationPlayStateCount); return valueList; } #define COMPUTED_STYLE_MAP_ENTRY(_prop, _method) \ { eCSSProperty_##_prop, &nsComputedDOMStyle::DoGet##_method, false } #define COMPUTED_STYLE_MAP_ENTRY_LAYOUT(_prop, _method) \ { eCSSProperty_##_prop, &nsComputedDOMStyle::DoGet##_method, true } const nsComputedDOMStyle::ComputedStyleMapEntry* nsComputedDOMStyle::GetQueryablePropertyMap(uint32_t* aLength) { /* ******************************************************************* *\ * Properties below are listed in alphabetical order. * * Please keep them that way. * * * * Properties commented out with // are not yet implemented * * Properties commented out with //// are shorthands and not queryable * \* ******************************************************************* */ static const ComputedStyleMapEntry map[] = { /* ***************************** *\ * Implementations of CSS styles * \* ***************************** */ COMPUTED_STYLE_MAP_ENTRY(align_items, AlignItems), COMPUTED_STYLE_MAP_ENTRY(align_self, AlignSelf), //// COMPUTED_STYLE_MAP_ENTRY(animation, Animation), COMPUTED_STYLE_MAP_ENTRY(animation_delay, AnimationDelay), COMPUTED_STYLE_MAP_ENTRY(animation_direction, AnimationDirection), COMPUTED_STYLE_MAP_ENTRY(animation_duration, AnimationDuration), COMPUTED_STYLE_MAP_ENTRY(animation_fill_mode, AnimationFillMode), COMPUTED_STYLE_MAP_ENTRY(animation_iteration_count, AnimationIterationCount), COMPUTED_STYLE_MAP_ENTRY(animation_name, AnimationName), COMPUTED_STYLE_MAP_ENTRY(animation_play_state, AnimationPlayState), COMPUTED_STYLE_MAP_ENTRY(animation_timing_function, AnimationTimingFunction), COMPUTED_STYLE_MAP_ENTRY(backface_visibility, BackfaceVisibility), //// COMPUTED_STYLE_MAP_ENTRY(background, Background), COMPUTED_STYLE_MAP_ENTRY(background_attachment, BackgroundAttachment), COMPUTED_STYLE_MAP_ENTRY(background_clip, BackgroundClip), COMPUTED_STYLE_MAP_ENTRY(background_color, BackgroundColor), COMPUTED_STYLE_MAP_ENTRY(background_image, BackgroundImage), COMPUTED_STYLE_MAP_ENTRY(background_origin, BackgroundOrigin), COMPUTED_STYLE_MAP_ENTRY(background_position, BackgroundPosition), COMPUTED_STYLE_MAP_ENTRY(background_repeat, BackgroundRepeat), COMPUTED_STYLE_MAP_ENTRY(background_size, BackgroundSize), //// COMPUTED_STYLE_MAP_ENTRY(border, Border), //// COMPUTED_STYLE_MAP_ENTRY(border_bottom, BorderBottom), COMPUTED_STYLE_MAP_ENTRY(border_bottom_color, BorderBottomColor), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(border_bottom_left_radius, BorderBottomLeftRadius), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(border_bottom_right_radius,BorderBottomRightRadius), COMPUTED_STYLE_MAP_ENTRY(border_bottom_style, BorderBottomStyle), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(border_bottom_width, BorderBottomWidth), COMPUTED_STYLE_MAP_ENTRY(border_collapse, BorderCollapse), //// COMPUTED_STYLE_MAP_ENTRY(border_color, BorderColor), //// COMPUTED_STYLE_MAP_ENTRY(border_image, BorderImage), COMPUTED_STYLE_MAP_ENTRY(border_image_outset, BorderImageOutset), COMPUTED_STYLE_MAP_ENTRY(border_image_repeat, BorderImageRepeat), COMPUTED_STYLE_MAP_ENTRY(border_image_slice, BorderImageSlice), COMPUTED_STYLE_MAP_ENTRY(border_image_source, BorderImageSource), COMPUTED_STYLE_MAP_ENTRY(border_image_width, BorderImageWidth), //// COMPUTED_STYLE_MAP_ENTRY(border_left, BorderLeft), COMPUTED_STYLE_MAP_ENTRY(border_left_color, BorderLeftColor), COMPUTED_STYLE_MAP_ENTRY(border_left_style, BorderLeftStyle), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(border_left_width, BorderLeftWidth), //// COMPUTED_STYLE_MAP_ENTRY(border_right, BorderRight), COMPUTED_STYLE_MAP_ENTRY(border_right_color, BorderRightColor), COMPUTED_STYLE_MAP_ENTRY(border_right_style, BorderRightStyle), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(border_right_width, BorderRightWidth), COMPUTED_STYLE_MAP_ENTRY(border_spacing, BorderSpacing), //// COMPUTED_STYLE_MAP_ENTRY(border_style, BorderStyle), //// COMPUTED_STYLE_MAP_ENTRY(border_top, BorderTop), COMPUTED_STYLE_MAP_ENTRY(border_top_color, BorderTopColor), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(border_top_left_radius, BorderTopLeftRadius), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(border_top_right_radius, BorderTopRightRadius), COMPUTED_STYLE_MAP_ENTRY(border_top_style, BorderTopStyle), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(border_top_width, BorderTopWidth), //// COMPUTED_STYLE_MAP_ENTRY(border_width, BorderWidth), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(bottom, Bottom), COMPUTED_STYLE_MAP_ENTRY(box_shadow, BoxShadow), COMPUTED_STYLE_MAP_ENTRY(box_sizing, BoxSizing), COMPUTED_STYLE_MAP_ENTRY(caption_side, CaptionSide), COMPUTED_STYLE_MAP_ENTRY(clear, Clear), COMPUTED_STYLE_MAP_ENTRY(clip, Clip), COMPUTED_STYLE_MAP_ENTRY(color, Color), COMPUTED_STYLE_MAP_ENTRY(content, Content), COMPUTED_STYLE_MAP_ENTRY(counter_increment, CounterIncrement), COMPUTED_STYLE_MAP_ENTRY(counter_reset, CounterReset), COMPUTED_STYLE_MAP_ENTRY(cursor, Cursor), COMPUTED_STYLE_MAP_ENTRY(direction, Direction), COMPUTED_STYLE_MAP_ENTRY(display, Display), COMPUTED_STYLE_MAP_ENTRY(empty_cells, EmptyCells), COMPUTED_STYLE_MAP_ENTRY(flex_basis, FlexBasis), COMPUTED_STYLE_MAP_ENTRY(flex_direction, FlexDirection), COMPUTED_STYLE_MAP_ENTRY(flex_grow, FlexGrow), COMPUTED_STYLE_MAP_ENTRY(flex_shrink, FlexShrink), COMPUTED_STYLE_MAP_ENTRY(float, Float), //// COMPUTED_STYLE_MAP_ENTRY(font, Font), COMPUTED_STYLE_MAP_ENTRY(font_family, FontFamily), COMPUTED_STYLE_MAP_ENTRY(font_kerning, FontKerning), COMPUTED_STYLE_MAP_ENTRY(font_size, FontSize), COMPUTED_STYLE_MAP_ENTRY(font_size_adjust, FontSizeAdjust), COMPUTED_STYLE_MAP_ENTRY(font_stretch, FontStretch), COMPUTED_STYLE_MAP_ENTRY(font_style, FontStyle), COMPUTED_STYLE_MAP_ENTRY(font_synthesis, FontSynthesis), COMPUTED_STYLE_MAP_ENTRY(font_variant, FontVariant), COMPUTED_STYLE_MAP_ENTRY(font_variant_alternates, FontVariantAlternates), COMPUTED_STYLE_MAP_ENTRY(font_variant_caps, FontVariantCaps), COMPUTED_STYLE_MAP_ENTRY(font_variant_east_asian, FontVariantEastAsian), COMPUTED_STYLE_MAP_ENTRY(font_variant_ligatures, FontVariantLigatures), COMPUTED_STYLE_MAP_ENTRY(font_variant_numeric, FontVariantNumeric), COMPUTED_STYLE_MAP_ENTRY(font_variant_position, FontVariantPosition), COMPUTED_STYLE_MAP_ENTRY(font_weight, FontWeight), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(height, Height), COMPUTED_STYLE_MAP_ENTRY(image_orientation, ImageOrientation), COMPUTED_STYLE_MAP_ENTRY(ime_mode, IMEMode), COMPUTED_STYLE_MAP_ENTRY(justify_content, JustifyContent), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(left, Left), COMPUTED_STYLE_MAP_ENTRY(letter_spacing, LetterSpacing), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(line_height, LineHeight), //// COMPUTED_STYLE_MAP_ENTRY(list_style, ListStyle), COMPUTED_STYLE_MAP_ENTRY(list_style_image, ListStyleImage), COMPUTED_STYLE_MAP_ENTRY(list_style_position, ListStylePosition), COMPUTED_STYLE_MAP_ENTRY(list_style_type, ListStyleType), //// COMPUTED_STYLE_MAP_ENTRY(margin, Margin), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(margin_bottom, MarginBottomWidth), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(margin_left, MarginLeftWidth), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(margin_right, MarginRightWidth), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(margin_top, MarginTopWidth), COMPUTED_STYLE_MAP_ENTRY(marker_offset, MarkerOffset), // COMPUTED_STYLE_MAP_ENTRY(marks, Marks), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(max_height, MaxHeight), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(max_width, MaxWidth), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(min_height, MinHeight), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(min_width, MinWidth), COMPUTED_STYLE_MAP_ENTRY(opacity, Opacity), // COMPUTED_STYLE_MAP_ENTRY(orphans, Orphans), //// COMPUTED_STYLE_MAP_ENTRY(outline, Outline), COMPUTED_STYLE_MAP_ENTRY(order, Order), COMPUTED_STYLE_MAP_ENTRY(outline_color, OutlineColor), COMPUTED_STYLE_MAP_ENTRY(outline_offset, OutlineOffset), COMPUTED_STYLE_MAP_ENTRY(outline_style, OutlineStyle), COMPUTED_STYLE_MAP_ENTRY(outline_width, OutlineWidth), COMPUTED_STYLE_MAP_ENTRY(overflow, Overflow), COMPUTED_STYLE_MAP_ENTRY(overflow_x, OverflowX), COMPUTED_STYLE_MAP_ENTRY(overflow_y, OverflowY), //// COMPUTED_STYLE_MAP_ENTRY(padding, Padding), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(padding_bottom, PaddingBottom), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(padding_left, PaddingLeft), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(padding_right, PaddingRight), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(padding_top, PaddingTop), // COMPUTED_STYLE_MAP_ENTRY(page, Page), COMPUTED_STYLE_MAP_ENTRY(page_break_after, PageBreakAfter), COMPUTED_STYLE_MAP_ENTRY(page_break_before, PageBreakBefore), COMPUTED_STYLE_MAP_ENTRY(page_break_inside, PageBreakInside), COMPUTED_STYLE_MAP_ENTRY(perspective, Perspective), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(perspective_origin, PerspectiveOrigin), COMPUTED_STYLE_MAP_ENTRY(pointer_events, PointerEvents), COMPUTED_STYLE_MAP_ENTRY(position, Position), COMPUTED_STYLE_MAP_ENTRY(quotes, Quotes), COMPUTED_STYLE_MAP_ENTRY(resize, Resize), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(right, Right), //// COMPUTED_STYLE_MAP_ENTRY(size, Size), COMPUTED_STYLE_MAP_ENTRY(table_layout, TableLayout), COMPUTED_STYLE_MAP_ENTRY(text_align, TextAlign), COMPUTED_STYLE_MAP_ENTRY(text_decoration, TextDecoration), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(text_indent, TextIndent), COMPUTED_STYLE_MAP_ENTRY(text_overflow, TextOverflow), COMPUTED_STYLE_MAP_ENTRY(text_shadow, TextShadow), COMPUTED_STYLE_MAP_ENTRY(text_transform, TextTransform), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(top, Top), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(transform, Transform), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(transform_origin, TransformOrigin), COMPUTED_STYLE_MAP_ENTRY(transform_style, TransformStyle), //// COMPUTED_STYLE_MAP_ENTRY(transition, Transition), COMPUTED_STYLE_MAP_ENTRY(transition_delay, TransitionDelay), COMPUTED_STYLE_MAP_ENTRY(transition_duration, TransitionDuration), COMPUTED_STYLE_MAP_ENTRY(transition_property, TransitionProperty), COMPUTED_STYLE_MAP_ENTRY(transition_timing_function, TransitionTimingFunction), COMPUTED_STYLE_MAP_ENTRY(unicode_bidi, UnicodeBidi), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(vertical_align, VerticalAlign), COMPUTED_STYLE_MAP_ENTRY(visibility, Visibility), COMPUTED_STYLE_MAP_ENTRY(white_space, WhiteSpace), // COMPUTED_STYLE_MAP_ENTRY(widows, Widows), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(width, Width), COMPUTED_STYLE_MAP_ENTRY(word_break, WordBreak), COMPUTED_STYLE_MAP_ENTRY(word_spacing, WordSpacing), COMPUTED_STYLE_MAP_ENTRY(word_wrap, WordWrap), COMPUTED_STYLE_MAP_ENTRY(writing_mode, WritingMode), COMPUTED_STYLE_MAP_ENTRY(z_index, ZIndex), /* ******************************* *\ * Implementations of -moz- styles * \* ******************************* */ COMPUTED_STYLE_MAP_ENTRY(appearance, Appearance), COMPUTED_STYLE_MAP_ENTRY(_moz_background_inline_policy, BackgroundInlinePolicy), COMPUTED_STYLE_MAP_ENTRY(binding, Binding), COMPUTED_STYLE_MAP_ENTRY(border_bottom_colors, BorderBottomColors), COMPUTED_STYLE_MAP_ENTRY(border_left_colors, BorderLeftColors), COMPUTED_STYLE_MAP_ENTRY(border_right_colors, BorderRightColors), COMPUTED_STYLE_MAP_ENTRY(border_top_colors, BorderTopColors), COMPUTED_STYLE_MAP_ENTRY(box_align, BoxAlign), COMPUTED_STYLE_MAP_ENTRY(box_direction, BoxDirection), COMPUTED_STYLE_MAP_ENTRY(box_flex, BoxFlex), COMPUTED_STYLE_MAP_ENTRY(box_ordinal_group, BoxOrdinalGroup), COMPUTED_STYLE_MAP_ENTRY(box_orient, BoxOrient), COMPUTED_STYLE_MAP_ENTRY(box_pack, BoxPack), COMPUTED_STYLE_MAP_ENTRY(_moz_column_count, ColumnCount), COMPUTED_STYLE_MAP_ENTRY(_moz_column_fill, ColumnFill), COMPUTED_STYLE_MAP_ENTRY(_moz_column_gap, ColumnGap), //// COMPUTED_STYLE_MAP_ENTRY(_moz_column_rule, ColumnRule), COMPUTED_STYLE_MAP_ENTRY(_moz_column_rule_color, ColumnRuleColor), COMPUTED_STYLE_MAP_ENTRY(_moz_column_rule_style, ColumnRuleStyle), COMPUTED_STYLE_MAP_ENTRY(_moz_column_rule_width, ColumnRuleWidth), COMPUTED_STYLE_MAP_ENTRY(_moz_column_width, ColumnWidth), COMPUTED_STYLE_MAP_ENTRY(float_edge, FloatEdge), COMPUTED_STYLE_MAP_ENTRY(font_feature_settings, FontFeatureSettings), COMPUTED_STYLE_MAP_ENTRY(font_language_override, FontLanguageOverride), COMPUTED_STYLE_MAP_ENTRY(force_broken_image_icon, ForceBrokenImageIcon), COMPUTED_STYLE_MAP_ENTRY(hyphens, Hyphens), COMPUTED_STYLE_MAP_ENTRY(image_region, ImageRegion), COMPUTED_STYLE_MAP_ENTRY(orient, Orient), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(_moz_outline_radius_bottomLeft, OutlineRadiusBottomLeft), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(_moz_outline_radius_bottomRight,OutlineRadiusBottomRight), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(_moz_outline_radius_topLeft, OutlineRadiusTopLeft), COMPUTED_STYLE_MAP_ENTRY_LAYOUT(_moz_outline_radius_topRight, OutlineRadiusTopRight), COMPUTED_STYLE_MAP_ENTRY(stack_sizing, StackSizing), COMPUTED_STYLE_MAP_ENTRY(_moz_tab_size, TabSize), COMPUTED_STYLE_MAP_ENTRY(text_align_last, TextAlignLast), COMPUTED_STYLE_MAP_ENTRY(text_blink, MozTextBlink), COMPUTED_STYLE_MAP_ENTRY(text_decoration_color, TextDecorationColor), COMPUTED_STYLE_MAP_ENTRY(text_decoration_line, TextDecorationLine), COMPUTED_STYLE_MAP_ENTRY(text_decoration_style, TextDecorationStyle), COMPUTED_STYLE_MAP_ENTRY(text_size_adjust, TextSizeAdjust), COMPUTED_STYLE_MAP_ENTRY(user_focus, UserFocus), COMPUTED_STYLE_MAP_ENTRY(user_input, UserInput), COMPUTED_STYLE_MAP_ENTRY(user_modify, UserModify), COMPUTED_STYLE_MAP_ENTRY(user_select, UserSelect), COMPUTED_STYLE_MAP_ENTRY(_moz_window_shadow, WindowShadow), /* ***************************** *\ * Implementations of SVG styles * \* ***************************** */ COMPUTED_STYLE_MAP_ENTRY(clip_path, ClipPath), COMPUTED_STYLE_MAP_ENTRY(clip_rule, ClipRule), COMPUTED_STYLE_MAP_ENTRY(color_interpolation, ColorInterpolation), COMPUTED_STYLE_MAP_ENTRY(color_interpolation_filters, ColorInterpolationFilters), COMPUTED_STYLE_MAP_ENTRY(dominant_baseline, DominantBaseline), COMPUTED_STYLE_MAP_ENTRY(fill, Fill), COMPUTED_STYLE_MAP_ENTRY(fill_opacity, FillOpacity), COMPUTED_STYLE_MAP_ENTRY(fill_rule, FillRule), COMPUTED_STYLE_MAP_ENTRY(filter, Filter), COMPUTED_STYLE_MAP_ENTRY(flood_color, FloodColor), COMPUTED_STYLE_MAP_ENTRY(flood_opacity, FloodOpacity), COMPUTED_STYLE_MAP_ENTRY(image_rendering, ImageRendering), COMPUTED_STYLE_MAP_ENTRY(lighting_color, LightingColor), COMPUTED_STYLE_MAP_ENTRY(marker_end, MarkerEnd), COMPUTED_STYLE_MAP_ENTRY(marker_mid, MarkerMid), COMPUTED_STYLE_MAP_ENTRY(marker_start, MarkerStart), COMPUTED_STYLE_MAP_ENTRY(mask, Mask), COMPUTED_STYLE_MAP_ENTRY(mask_type, MaskType), COMPUTED_STYLE_MAP_ENTRY(paint_order, PaintOrder), COMPUTED_STYLE_MAP_ENTRY(shape_rendering, ShapeRendering), COMPUTED_STYLE_MAP_ENTRY(stop_color, StopColor), COMPUTED_STYLE_MAP_ENTRY(stop_opacity, StopOpacity), COMPUTED_STYLE_MAP_ENTRY(stroke, Stroke), COMPUTED_STYLE_MAP_ENTRY(stroke_dasharray, StrokeDasharray), COMPUTED_STYLE_MAP_ENTRY(stroke_dashoffset, StrokeDashoffset), COMPUTED_STYLE_MAP_ENTRY(stroke_linecap, StrokeLinecap), COMPUTED_STYLE_MAP_ENTRY(stroke_linejoin, StrokeLinejoin), COMPUTED_STYLE_MAP_ENTRY(stroke_miterlimit, StrokeMiterlimit), COMPUTED_STYLE_MAP_ENTRY(stroke_opacity, StrokeOpacity), COMPUTED_STYLE_MAP_ENTRY(stroke_width, StrokeWidth), COMPUTED_STYLE_MAP_ENTRY(text_anchor, TextAnchor), COMPUTED_STYLE_MAP_ENTRY(text_rendering, TextRendering), COMPUTED_STYLE_MAP_ENTRY(vector_effect, VectorEffect) }; *aLength = ArrayLength(map); return map; }