String CSSFontFaceSet::familyNameFromPrimitive(const CSSPrimitiveValue& value)
{
if (value.isFontFamily())
return value.fontFamily().familyName;
if (!value.isValueID())
return { };
// We need to use the raw text for all the generic family types, since @font-face is a way of actually
// defining what font to use for those types.
switch (value.getValueID()) {
case CSSValueSerif:
return serifFamily;
case CSSValueSansSerif:
return sansSerifFamily;
case CSSValueCursive:
return cursiveFamily;
case CSSValueFantasy:
return fantasyFamily;
case CSSValueMonospace:
return monospaceFamily;
case CSSValueWebkitPictograph:
return pictographFamily;
default:
return { };
}
}
void StyleBuilderFunctions::applyValueCSSPropertyTransformOrigin(StyleResolverState& state, CSSValue* value)
{
CSSValueList* list = toCSSValueList(value);
ASSERT(list->length() == 3);
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(list->item(0));
if (primitiveValue->isValueID()) {
switch (primitiveValue->getValueID()) {
case CSSValueLeft:
state.style()->setTransformOriginX(Length(0, Percent));
break;
case CSSValueRight:
state.style()->setTransformOriginX(Length(100, Percent));
break;
case CSSValueCenter:
state.style()->setTransformOriginX(Length(50, Percent));
break;
default:
ASSERT_NOT_REACHED();
}
} else {
state.style()->setTransformOriginX(StyleBuilderConverter::convertLength(state, primitiveValue));
}
primitiveValue = toCSSPrimitiveValue(list->item(1));
if (primitiveValue->isValueID()) {
switch (primitiveValue->getValueID()) {
case CSSValueTop:
state.style()->setTransformOriginY(Length(0, Percent));
break;
case CSSValueBottom:
state.style()->setTransformOriginY(Length(100, Percent));
break;
case CSSValueCenter:
state.style()->setTransformOriginY(Length(50, Percent));
break;
default:
ASSERT_NOT_REACHED();
}
} else {
state.style()->setTransformOriginY(StyleBuilderConverter::convertLength(state, primitiveValue));
}
primitiveValue = toCSSPrimitiveValue(list->item(2));
state.style()->setTransformOriginZ(StyleBuilderConverter::convertComputedLength<float>(state, primitiveValue));
}
void StyleBuilderFunctions::applyValueCSSPropertyTextAlign(StyleResolverState& state, CSSValue* value)
{
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (primitiveValue->isValueID() && primitiveValue->getValueID() != CSSValueWebkitMatchParent)
state.style()->setTextAlign(*primitiveValue);
else if (state.parentStyle()->textAlign() == TASTART)
state.style()->setTextAlign(state.parentStyle()->isLeftToRightDirection() ? LEFT : RIGHT);
else if (state.parentStyle()->textAlign() == TAEND)
state.style()->setTextAlign(state.parentStyle()->isLeftToRightDirection() ? RIGHT : LEFT);
else
state.style()->setTextAlign(state.parentStyle()->textAlign());
}
static bool positionFromThreeOrFourValues(CSSPrimitiveValue** values, CSSValue*& resultX, CSSValue*& resultY)
{
CSSPrimitiveValue* center = nullptr;
for (int i = 0; values[i]; i++) {
CSSPrimitiveValue* currentValue = values[i];
if (!currentValue->isValueID())
return false;
CSSValueID id = currentValue->getValueID();
if (id == CSSValueCenter) {
if (center)
return false;
center = currentValue;
continue;
}
CSSValue* result = nullptr;
if (values[i + 1] && !values[i + 1]->isValueID()) {
result = CSSValuePair::create(currentValue, values[++i], CSSValuePair::KeepIdenticalValues);
} else {
result = currentValue;
}
if (id == CSSValueLeft || id == CSSValueRight) {
if (resultX)
return false;
resultX = result;
} else {
ASSERT(id == CSSValueTop || id == CSSValueBottom);
if (resultY)
return false;
resultY = result;
}
}
if (center) {
ASSERT(resultX || resultY);
if (resultX && resultY)
return false;
if (!resultX)
resultX = center;
else
resultY = center;
}
ASSERT(resultX && resultY);
return true;
}
void StyleBuilderFunctions::applyValueCSSPropertyTextAlign(StyleResolverState& state, CSSValue* value)
{
if (!value->isPrimitiveValue())
return;
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
// FIXME : Per http://www.w3.org/TR/css3-text/#text-align0 can now take <string> but this is not implemented in the
// rendering code.
if (primitiveValue->isString())
return;
if (primitiveValue->isValueID() && primitiveValue->getValueID() != CSSValueWebkitMatchParent)
state.style()->setTextAlign(*primitiveValue);
else if (state.parentStyle()->textAlign() == TASTART)
state.style()->setTextAlign(state.parentStyle()->isLeftToRightDirection() ? LEFT : RIGHT);
else if (state.parentStyle()->textAlign() == TAEND)
state.style()->setTextAlign(state.parentStyle()->isLeftToRightDirection() ? RIGHT : LEFT);
else
state.style()->setTextAlign(state.parentStyle()->textAlign());
}
bool FontFace::setFamilyValue(CSSValueList* familyList)
{
// The font-family descriptor has to have exactly one family name.
if (familyList->length() != 1)
return false;
CSSPrimitiveValue* familyValue = toCSSPrimitiveValue(familyList->itemWithoutBoundsCheck(0));
AtomicString family;
if (familyValue->isString()) {
family = AtomicString(familyValue->getStringValue());
} else if (familyValue->isValueID()) {
// We need to use the raw text for all the generic family types, since @font-face is a way of actually
// defining what font to use for those types.
switch (familyValue->getValueID()) {
case CSSValueSerif:
family = FontFamilyNames::webkit_serif;
break;
case CSSValueSansSerif:
family = FontFamilyNames::webkit_sans_serif;
break;
case CSSValueCursive:
family = FontFamilyNames::webkit_cursive;
break;
case CSSValueFantasy:
family = FontFamilyNames::webkit_fantasy;
break;
case CSSValueMonospace:
family = FontFamilyNames::webkit_monospace;
break;
case CSSValueWebkitPictograph:
family = FontFamilyNames::webkit_pictograph;
break;
default:
return false;
}
}
m_family = family;
return true;
}
void StyleBuilderFunctions::applyValueCSSPropertyBaselineShift(StyleResolverState& state, CSSValue* value)
{
SVGComputedStyle& svgStyle = state.style()->accessSVGStyle();
CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
if (!primitiveValue->isValueID()) {
svgStyle.setBaselineShift(BS_LENGTH);
svgStyle.setBaselineShiftValue(StyleBuilderConverter::convertLength(state, primitiveValue));
return;
}
switch (primitiveValue->getValueID()) {
case CSSValueBaseline:
svgStyle.setBaselineShift(BS_LENGTH);
svgStyle.setBaselineShiftValue(Length(Fixed));
return;
case CSSValueSub:
svgStyle.setBaselineShift(BS_SUB);
return;
case CSSValueSuper:
svgStyle.setBaselineShift(BS_SUPER);
return;
default:
ASSERT_NOT_REACHED();
}
}
static bool isVerticalPositionKeywordOnly(const CSSPrimitiveValue& value)
{
return value.isValueID() && (value.getValueID() == CSSValueTop || value.getValueID() == CSSValueBottom);
}
static bool isHorizontalPositionKeywordOnly(const CSSPrimitiveValue& value)
{
return value.isValueID() && (value.getValueID() == CSSValueLeft || value.getValueID() == CSSValueRight);
}
void CSSFontSelector::addFontFaceRule(const StyleRuleFontFace* fontFaceRule)
{
// Obtain the font-family property and the src property. Both must be defined.
const StylePropertySet& style = fontFaceRule->properties();
RefPtr<CSSValue> fontFamily = style.getPropertyCSSValue(CSSPropertyFontFamily);
RefPtr<CSSValue> src = style.getPropertyCSSValue(CSSPropertySrc);
RefPtr<CSSValue> unicodeRange = style.getPropertyCSSValue(CSSPropertyUnicodeRange);
if (!fontFamily || !src || !fontFamily->isValueList() || !src->isValueList() || (unicodeRange && !unicodeRange->isValueList()))
return;
CSSValueList* familyList = toCSSValueList(fontFamily.get());
if (!familyList->length())
return;
CSSValueList* srcList = toCSSValueList(src.get());
if (!srcList->length())
return;
CSSValueList* rangeList = toCSSValueList(unicodeRange.get());
unsigned traitsMask = 0;
if (RefPtr<CSSValue> fontStyle = style.getPropertyCSSValue(CSSPropertyFontStyle)) {
if (!fontStyle->isPrimitiveValue())
return;
switch (toCSSPrimitiveValue(fontStyle.get())->getValueID()) {
case CSSValueNormal:
traitsMask |= FontStyleNormalMask;
break;
case CSSValueItalic:
case CSSValueOblique:
traitsMask |= FontStyleItalicMask;
break;
default:
break;
}
} else
traitsMask |= FontStyleNormalMask;
if (RefPtr<CSSValue> fontWeight = style.getPropertyCSSValue(CSSPropertyFontWeight)) {
if (!fontWeight->isPrimitiveValue())
return;
switch (toCSSPrimitiveValue(fontWeight.get())->getValueID()) {
case CSSValueBold:
case CSSValue700:
traitsMask |= FontWeight700Mask;
break;
case CSSValueNormal:
case CSSValue400:
traitsMask |= FontWeight400Mask;
break;
case CSSValue900:
traitsMask |= FontWeight900Mask;
break;
case CSSValue800:
traitsMask |= FontWeight800Mask;
break;
case CSSValue600:
traitsMask |= FontWeight600Mask;
break;
case CSSValue500:
traitsMask |= FontWeight500Mask;
break;
case CSSValue300:
traitsMask |= FontWeight300Mask;
break;
case CSSValue200:
traitsMask |= FontWeight200Mask;
break;
case CSSValue100:
traitsMask |= FontWeight100Mask;
break;
default:
break;
}
} else
traitsMask |= FontWeight400Mask;
if (RefPtr<CSSValue> fontVariant = style.getPropertyCSSValue(CSSPropertyFontVariant)) {
// font-variant descriptor can be a value list.
if (fontVariant->isPrimitiveValue()) {
RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
list->append(fontVariant);
fontVariant = list;
} else if (!fontVariant->isValueList())
return;
CSSValueList* variantList = toCSSValueList(fontVariant.get());
unsigned numVariants = variantList->length();
if (!numVariants)
return;
for (unsigned i = 0; i < numVariants; ++i) {
switch (toCSSPrimitiveValue(variantList->itemWithoutBoundsCheck(i))->getValueID()) {
case CSSValueNormal:
traitsMask |= FontVariantNormalMask;
break;
case CSSValueSmallCaps:
traitsMask |= FontVariantSmallCapsMask;
break;
default:
break;
}
}
} else
traitsMask |= FontVariantMask;
// Each item in the src property's list is a single CSSFontFaceSource. Put them all into a CSSFontFace.
RefPtr<CSSFontFace> fontFace;
int srcLength = srcList->length();
bool foundSVGFont = false;
for (int i = 0; i < srcLength; i++) {
// An item in the list either specifies a string (local font name) or a URL (remote font to download).
CSSFontFaceSrcValue* item = toCSSFontFaceSrcValue(srcList->itemWithoutBoundsCheck(i));
OwnPtr<CSSFontFaceSource> source;
#if ENABLE(SVG_FONTS)
foundSVGFont = item->isSVGFontFaceSrc() || item->svgFontFaceElement();
#endif
if (!item->isLocal()) {
Settings* settings = m_document ? m_document->frame() ? &m_document->frame()->settings() : 0 : 0;
bool allowDownloading = foundSVGFont || (settings && settings->downloadableBinaryFontsEnabled());
if (allowDownloading && item->isSupportedFormat() && m_document) {
CachedFont* cachedFont = item->cachedFont(m_document);
if (cachedFont) {
source = adoptPtr(new CSSFontFaceSource(item->resource(), cachedFont));
#if ENABLE(SVG_FONTS)
if (foundSVGFont)
source->setHasExternalSVGFont(true);
#endif
}
}
} else {
source = adoptPtr(new CSSFontFaceSource(item->resource()));
}
if (!fontFace) {
RefPtr<CSSFontFaceRule> rule;
#if ENABLE(FONT_LOAD_EVENTS)
// FIXME: https://bugs.webkit.org/show_bug.cgi?id=112116 - This CSSFontFaceRule has no parent.
if (RuntimeEnabledFeatures::sharedFeatures().fontLoadEventsEnabled())
rule = static_pointer_cast<CSSFontFaceRule>(fontFaceRule->createCSSOMWrapper());
#endif
fontFace = CSSFontFace::create(static_cast<FontTraitsMask>(traitsMask), rule);
}
if (source) {
#if ENABLE(SVG_FONTS)
source->setSVGFontFaceElement(item->svgFontFaceElement());
#endif
fontFace->addSource(source.release());
}
}
ASSERT(fontFace);
if (fontFace && !fontFace->isValid())
return;
if (rangeList) {
unsigned numRanges = rangeList->length();
for (unsigned i = 0; i < numRanges; i++) {
CSSUnicodeRangeValue* range = static_cast<CSSUnicodeRangeValue*>(rangeList->itemWithoutBoundsCheck(i));
fontFace->addRange(range->from(), range->to());
}
}
// Hash under every single family name.
int familyLength = familyList->length();
for (int i = 0; i < familyLength; i++) {
CSSPrimitiveValue* item = toCSSPrimitiveValue(familyList->itemWithoutBoundsCheck(i));
String familyName;
if (item->isString()) {
familyName = item->getStringValue();
} else if (item->isValueID()) {
// We need to use the raw text for all the generic family types, since @font-face is a way of actually
// defining what font to use for those types.
switch (item->getValueID()) {
case CSSValueSerif:
familyName = serifFamily;
break;
case CSSValueSansSerif:
familyName = sansSerifFamily;
break;
case CSSValueCursive:
familyName = cursiveFamily;
break;
case CSSValueFantasy:
familyName = fantasyFamily;
break;
case CSSValueMonospace:
familyName = monospaceFamily;
break;
case CSSValueWebkitPictograph:
familyName = pictographFamily;
break;
default:
break;
}
}
if (familyName.isEmpty())
continue;
OwnPtr<Vector<RefPtr<CSSFontFace> > >& familyFontFaces = m_fontFaces.add(familyName, nullptr).iterator->value;
if (!familyFontFaces) {
familyFontFaces = adoptPtr(new Vector<RefPtr<CSSFontFace> >);
ASSERT(!m_locallyInstalledFontFaces.contains(familyName));
Vector<unsigned> locallyInstalledFontsTraitsMasks;
fontCache()->getTraitsInFamily(familyName, locallyInstalledFontsTraitsMasks);
if (unsigned numLocallyInstalledFaces = locallyInstalledFontsTraitsMasks.size()) {
OwnPtr<Vector<RefPtr<CSSFontFace> > > familyLocallyInstalledFaces = adoptPtr(new Vector<RefPtr<CSSFontFace> >);
for (unsigned i = 0; i < numLocallyInstalledFaces; ++i) {
RefPtr<CSSFontFace> locallyInstalledFontFace = CSSFontFace::create(static_cast<FontTraitsMask>(locallyInstalledFontsTraitsMasks[i]), 0, true);
locallyInstalledFontFace->addSource(adoptPtr(new CSSFontFaceSource(familyName)));
ASSERT(locallyInstalledFontFace->isValid());
familyLocallyInstalledFaces->append(locallyInstalledFontFace);
}
m_locallyInstalledFontFaces.set(familyName, familyLocallyInstalledFaces.release());
}
}
familyFontFaces->append(fontFace);
++m_version;
}
}
