void FontFaceSet::faceFinished(CSSFontFace& face, CSSFontFace::Status newStatus)
{
if (!face.existingWrapper())
return;
auto iterator = m_pendingPromises.find(face.existingWrapper());
if (iterator == m_pendingPromises.end())
return;
for (auto& pendingPromise : iterator->value) {
if (pendingPromise->hasReachedTerminalState)
continue;
if (newStatus == CSSFontFace::Status::Success) {
if (pendingPromise->hasOneRef()) {
pendingPromise->promise.resolve(pendingPromise->faces);
pendingPromise->hasReachedTerminalState = true;
}
} else {
ASSERT(newStatus == CSSFontFace::Status::Failure);
pendingPromise->promise.reject(NETWORK_ERR);
pendingPromise->hasReachedTerminalState = true;
}
}
m_pendingPromises.remove(iterator);
}
static bool fontFaceComparator(FontTraitsMask desiredTraitsMaskForComparison, const CSSFontFace& first, const CSSFontFace& second)
{
FontTraitsMask firstTraitsMask = first.traitsMask();
FontTraitsMask secondTraitsMask = second.traitsMask();
bool firstHasDesiredStyle = firstTraitsMask & desiredTraitsMaskForComparison & FontStyleMask;
bool secondHasDesiredStyle = secondTraitsMask & desiredTraitsMaskForComparison & FontStyleMask;
if (firstHasDesiredStyle != secondHasDesiredStyle)
return firstHasDesiredStyle;
if ((desiredTraitsMaskForComparison & FontStyleItalicMask) && !first.isLocalFallback() && !second.isLocalFallback()) {
// Prefer a font that has indicated that it can only support italics to a font that claims to support
// all styles. The specialized font is more likely to be the one the author wants used.
bool firstRequiresItalics = (firstTraitsMask & FontStyleItalicMask) && !(firstTraitsMask & FontStyleNormalMask);
bool secondRequiresItalics = (secondTraitsMask & FontStyleItalicMask) && !(secondTraitsMask & FontStyleNormalMask);
if (firstRequiresItalics != secondRequiresItalics)
return firstRequiresItalics;
}
if (secondTraitsMask & desiredTraitsMaskForComparison & FontWeightMask)
return false;
if (firstTraitsMask & desiredTraitsMaskForComparison & FontWeightMask)
return true;
// http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-matching-algorithm says :
// - If the desired weight is less than 400, weights below the desired weight are checked in descending order followed by weights above the desired weight in ascending order until a match is found.
// - If the desired weight is greater than 500, weights above the desired weight are checked in ascending order followed by weights below the desired weight in descending order until a match is found.
// - If the desired weight is 400, 500 is checked first and then the rule for desired weights less than 400 is used.
// - If the desired weight is 500, 400 is checked first and then the rule for desired weights less than 400 is used.
static const unsigned fallbackRuleSets = 9;
static const unsigned rulesPerSet = 8;
static const FontTraitsMask weightFallbackRuleSets[fallbackRuleSets][rulesPerSet] = {
{ FontWeight200Mask, FontWeight300Mask, FontWeight400Mask, FontWeight500Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight100Mask, FontWeight300Mask, FontWeight400Mask, FontWeight500Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight200Mask, FontWeight100Mask, FontWeight400Mask, FontWeight500Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight500Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight700Mask, FontWeight800Mask, FontWeight900Mask, FontWeight500Mask, FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask },
{ FontWeight800Mask, FontWeight900Mask, FontWeight600Mask, FontWeight500Mask, FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask },
{ FontWeight900Mask, FontWeight700Mask, FontWeight600Mask, FontWeight500Mask, FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask },
{ FontWeight800Mask, FontWeight700Mask, FontWeight600Mask, FontWeight500Mask, FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask }
};
unsigned ruleSetIndex = 0;
for (; !(desiredTraitsMaskForComparison & (1 << (FontWeight100Bit + ruleSetIndex))); ruleSetIndex++) { }
const FontTraitsMask* weightFallbackRule = weightFallbackRuleSets[ruleSetIndex];
for (unsigned i = 0; i < rulesPerSet; ++i) {
if (secondTraitsMask & weightFallbackRule[i])
return false;
if (firstTraitsMask & weightFallbackRule[i])
return true;
}
return false;
}
CSSSegmentedFontFace* CSSFontSelector::getFontFace(const FontDescription& fontDescription, const AtomicString& family)
{
Vector<RefPtr<CSSFontFace> >* familyFontFaces = m_fontFaces.get(family);
if (!familyFontFaces || familyFontFaces->isEmpty())
return 0;
OwnPtr<HashMap<unsigned, RefPtr<CSSSegmentedFontFace> > >& segmentedFontFaceCache = m_fonts.add(family, nullptr).iterator->value;
if (!segmentedFontFaceCache)
segmentedFontFaceCache = adoptPtr(new HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >);
FontTraitsMask traitsMask = fontDescription.traitsMask();
RefPtr<CSSSegmentedFontFace>& face = segmentedFontFaceCache->add(traitsMask, 0).iterator->value;
if (!face) {
face = CSSSegmentedFontFace::create(this);
// Collect all matching faces and sort them in order of preference.
Vector<CSSFontFace*, 32> candidateFontFaces;
for (int i = familyFontFaces->size() - 1; i >= 0; --i) {
CSSFontFace* candidate = familyFontFaces->at(i).get();
unsigned candidateTraitsMask = candidate->traitsMask();
if ((traitsMask & FontStyleNormalMask) && !(candidateTraitsMask & FontStyleNormalMask))
continue;
if ((traitsMask & FontVariantNormalMask) && !(candidateTraitsMask & FontVariantNormalMask))
continue;
#if ENABLE(SVG_FONTS)
// For SVG Fonts that specify that they only support the "normal" variant, we will assume they are incapable
// of small-caps synthesis and just ignore the font face as a candidate.
if (candidate->hasSVGFontFaceSource() && (traitsMask & FontVariantSmallCapsMask) && !(candidateTraitsMask & FontVariantSmallCapsMask))
continue;
#endif
candidateFontFaces.append(candidate);
}
if (Vector<RefPtr<CSSFontFace> >* familyLocallyInstalledFontFaces = m_locallyInstalledFontFaces.get(family)) {
unsigned numLocallyInstalledFontFaces = familyLocallyInstalledFontFaces->size();
for (unsigned i = 0; i < numLocallyInstalledFontFaces; ++i) {
CSSFontFace* candidate = familyLocallyInstalledFontFaces->at(i).get();
unsigned candidateTraitsMask = candidate->traitsMask();
if ((traitsMask & FontStyleNormalMask) && !(candidateTraitsMask & FontStyleNormalMask))
continue;
if ((traitsMask & FontVariantNormalMask) && !(candidateTraitsMask & FontVariantNormalMask))
continue;
candidateFontFaces.append(candidate);
}
}
desiredTraitsMaskForComparison = traitsMask;
stable_sort(candidateFontFaces.begin(), candidateFontFaces.end(), compareFontFaces);
unsigned numCandidates = candidateFontFaces.size();
for (unsigned i = 0; i < numCandidates; ++i)
face->appendFontFace(candidateFontFaces[i]);
}
return face.get();
}
void CSSSegmentedFontFace::willUseRange(const blink::FontDescription& fontDescription, const blink::FontDataForRangeSet& rangeSet)
{
// Iterating backwards since later defined unicode-range faces override
// previously defined ones, according to the CSS3 fonts module.
// https://drafts.csswg.org/css-fonts/#composite-fonts
for (FontFaceList::reverse_iterator it = m_fontFaces.rbegin(); it != m_fontFaces.rend(); ++it) {
CSSFontFace* cssFontFace = (*it)->cssFontFace();
if (cssFontFace->maybeScheduleFontLoad(fontDescription, rangeSet))
break;
}
}
void FontFace::adopt(CSSFontFace& newFace)
{
m_backing->removeClient(*this);
m_backing = newFace;
m_backing->addClient(*this);
newFace.setWrapper(*this);
}
void CSSFontFaceSet::add(CSSFontFace& face)
{
ASSERT(!hasFace(face));
for (auto* client : m_clients)
client->fontModified();
face.addClient(*this);
m_cache.clear();
if (face.cssConnection())
m_faces.insert(m_facesPartitionIndex++, face);
else
m_faces.append(face);
addToFacesLookupTable(face);
if (face.status() == CSSFontFace::Status::Loading || face.status() == CSSFontFace::Status::TimedOut)
incrementActiveCount();
}
void CSSFontFaceSet::addToFacesLookupTable(CSSFontFace& face)
{
if (!face.families())
return;
for (auto& item : *face.families()) {
String familyName = CSSFontFaceSet::familyNameFromPrimitive(downcast<CSSPrimitiveValue>(item.get()));
if (familyName.isEmpty())
continue;
auto addResult = m_facesLookupTable.add(familyName, Vector<Ref<CSSFontFace>>());
auto& familyFontFaces = addResult.iterator->value;
if (addResult.isNewEntry) {
// m_locallyInstalledFontFaces grows without bound, eventually encorporating every font installed on the system.
// This is by design.
registerLocalFontFacesForFamily(familyName);
familyFontFaces = { };
}
familyFontFaces.append(face);
}
}
void CSSFontFaceSet::remove(const CSSFontFace& face)
{
m_cache.clear();
for (auto* client : m_clients)
client->fontModified();
if (face.families())
removeFromFacesLookupTable(face, *face.families());
for (size_t i = 0; i < m_faces.size(); ++i) {
if (m_faces[i].ptr() == &face) {
if (i < m_facesPartitionIndex)
--m_facesPartitionIndex;
m_faces[i]->removeClient(*this);
m_faces.remove(i);
if (face.status() == CSSFontFace::Status::Loading || face.status() == CSSFontFace::Status::TimedOut)
decrementActiveCount();
return;
}
}
ASSERT_NOT_REACHED();
}
FontData* CSSFontSelector::getFontData(const FontDescription& fontDescription, const AtomicString& familyName)
{
if (m_fontFaces.isEmpty()) {
if (familyName.startsWith("-webkit-"))
return fontDataForGenericFamily(m_document, fontDescription, familyName);
if (fontDescription.genericFamily() == FontDescription::StandardFamily && !fontDescription.isSpecifiedFont())
return fontDataForGenericFamily(m_document, fontDescription, "-webkit-standard");
return 0;
}
String family = familyName.string();
Vector<RefPtr<CSSFontFace> >* familyFontFaces = m_fontFaces.get(family);
// If no face was found, then return 0 and let the OS come up with its best match for the name.
if (!familyFontFaces || familyFontFaces->isEmpty()) {
// If we were handed a generic family, but there was no match, go ahead and return the correct font based off our
// settings.
if (fontDescription.genericFamily() == FontDescription::StandardFamily && !fontDescription.isSpecifiedFont())
return fontDataForGenericFamily(m_document, fontDescription, "-webkit-standard");
return fontDataForGenericFamily(m_document, fontDescription, familyName);
}
OwnPtr<HashMap<unsigned, RefPtr<CSSSegmentedFontFace> > >& segmentedFontFaceCache = m_fonts.add(family, nullptr).first->second;
if (!segmentedFontFaceCache)
segmentedFontFaceCache = adoptPtr(new HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >);
FontTraitsMask traitsMask = fontDescription.traitsMask();
RefPtr<CSSSegmentedFontFace>& face = segmentedFontFaceCache->add(traitsMask, 0).first->second;
if (!face) {
face = CSSSegmentedFontFace::create(this);
// Collect all matching faces and sort them in order of preference.
Vector<CSSFontFace*, 32> candidateFontFaces;
for (int i = familyFontFaces->size() - 1; i >= 0; --i) {
CSSFontFace* candidate = familyFontFaces->at(i).get();
unsigned candidateTraitsMask = candidate->traitsMask();
if ((traitsMask & FontStyleNormalMask) && !(candidateTraitsMask & FontStyleNormalMask))
continue;
if ((traitsMask & FontVariantNormalMask) && !(candidateTraitsMask & FontVariantNormalMask))
continue;
#if ENABLE(SVG_FONTS)
// For SVG Fonts that specify that they only support the "normal" variant, we will assume they are incapable
// of small-caps synthesis and just ignore the font face as a candidate.
if (candidate->hasSVGFontFaceSource() && (traitsMask & FontVariantSmallCapsMask) && !(candidateTraitsMask & FontVariantSmallCapsMask))
continue;
#endif
candidateFontFaces.append(candidate);
}
if (Vector<RefPtr<CSSFontFace> >* familyLocallyInstalledFontFaces = m_locallyInstalledFontFaces.get(family)) {
unsigned numLocallyInstalledFontFaces = familyLocallyInstalledFontFaces->size();
for (unsigned i = 0; i < numLocallyInstalledFontFaces; ++i) {
CSSFontFace* candidate = familyLocallyInstalledFontFaces->at(i).get();
unsigned candidateTraitsMask = candidate->traitsMask();
if ((traitsMask & FontStyleNormalMask) && !(candidateTraitsMask & FontStyleNormalMask))
continue;
if ((traitsMask & FontVariantNormalMask) && !(candidateTraitsMask & FontVariantNormalMask))
continue;
candidateFontFaces.append(candidate);
}
}
desiredTraitsMaskForComparison = traitsMask;
stable_sort(candidateFontFaces.begin(), candidateFontFaces.end(), compareFontFaces);
unsigned numCandidates = candidateFontFaces.size();
for (unsigned i = 0; i < numCandidates; ++i)
face->appendFontFace(candidateFontFaces[i]);
}
// We have a face. Ask it for a font data. If it cannot produce one, it will fail, and the OS will take over.
return face->getFontData(fontDescription);
}
FontData* CSSFontSelector::getFontData(const FontDescription& fontDescription, const AtomicString& familyName)
{
if (m_fontFaces.isEmpty()) {
if (familyName.startsWith("-webkit-"))
return fontDataForGenericFamily(m_document, fontDescription, familyName);
return 0;
}
String family = familyName.string();
#if ENABLE(SVG_FONTS)
if (fontDescription.smallCaps())
family += "-webkit-svg-small-caps";
#endif
Vector<RefPtr<CSSFontFace> >* familyFontFaces = m_fontFaces.get(family);
// If no face was found, then return 0 and let the OS come up with its best match for the name.
if (!familyFontFaces || familyFontFaces->isEmpty()) {
// If we were handed a generic family, but there was no match, go ahead and return the correct font based off our
// settings.
return fontDataForGenericFamily(m_document, fontDescription, familyName);
}
HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >* segmentedFontFaceCache = m_fonts.get(family);
if (!segmentedFontFaceCache) {
segmentedFontFaceCache = new HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >;
m_fonts.set(family, segmentedFontFaceCache);
}
FontTraitsMask traitsMask = fontDescription.traitsMask();
RefPtr<CSSSegmentedFontFace> face = segmentedFontFaceCache->get(traitsMask);
if (!face) {
face = CSSSegmentedFontFace::create(this);
segmentedFontFaceCache->set(traitsMask, face);
// Collect all matching faces and sort them in order of preference.
Vector<CSSFontFace*, 32> candidateFontFaces;
for (int i = familyFontFaces->size() - 1; i >= 0; --i) {
CSSFontFace* candidate = familyFontFaces->at(i).get();
unsigned candidateTraitsMask = candidate->traitsMask();
if ((traitsMask & FontStyleNormalMask) && !(candidateTraitsMask & FontStyleNormalMask))
continue;
if ((traitsMask & FontVariantNormalMask) && !(candidateTraitsMask & FontVariantNormalMask))
continue;
candidateFontFaces.append(candidate);
}
if (Vector<RefPtr<CSSFontFace> >* familyLocallyInstalledFontFaces = m_locallyInstalledFontFaces.get(family)) {
unsigned numLocallyInstalledFontFaces = familyLocallyInstalledFontFaces->size();
for (unsigned i = 0; i < numLocallyInstalledFontFaces; ++i) {
CSSFontFace* candidate = familyLocallyInstalledFontFaces->at(i).get();
unsigned candidateTraitsMask = candidate->traitsMask();
if ((traitsMask & FontStyleNormalMask) && !(candidateTraitsMask & FontStyleNormalMask))
continue;
if ((traitsMask & FontVariantNormalMask) && !(candidateTraitsMask & FontVariantNormalMask))
continue;
candidateFontFaces.append(candidate);
}
}
desiredTraitsMaskForComparison = traitsMask;
std::stable_sort(candidateFontFaces.begin(), candidateFontFaces.end(), compareFontFaces);
unsigned numCandidates = candidateFontFaces.size();
for (unsigned i = 0; i < numCandidates; ++i)
face->appendFontFace(candidateFontFaces[i]);
}
// We have a face. Ask it for a font data. If it cannot produce one, it will fail, and the OS will take over.
return face->getFontData(fontDescription);
}
static bool populateFontFaceWithArrayBuffer(CSSFontFace& fontFace, Ref<JSC::ArrayBufferView>&& arrayBufferView)
{
auto source = std::make_unique<CSSFontFaceSource>(fontFace, String(), nullptr, nullptr, WTFMove(arrayBufferView));
fontFace.adoptSource(WTFMove(source));
return false;
}
static inline bool compareFontFaces(const CSSFontFace& first, const CSSFontFace& second)
{
FontTraitsMask firstTraitsMask = first.traitsMask();
FontTraitsMask secondTraitsMask = second.traitsMask();
bool firstHasDesiredVariant = firstTraitsMask & desiredTraitsMaskForComparison & FontVariantMask;
bool secondHasDesiredVariant = secondTraitsMask & desiredTraitsMaskForComparison & FontVariantMask;
if (firstHasDesiredVariant != secondHasDesiredVariant)
return firstHasDesiredVariant;
// We need to check font-variant css property for CSS2.1 compatibility.
if ((desiredTraitsMaskForComparison & FontVariantSmallCapsMask) && !first.isLocalFallback() && !second.isLocalFallback()) {
// Prefer a font that has indicated that it can only support small-caps to a font that claims to support
// all variants. The specialized font is more likely to be true small-caps and not require synthesis.
bool firstRequiresSmallCaps = (firstTraitsMask & FontVariantSmallCapsMask) && !(firstTraitsMask & FontVariantNormalMask);
bool secondRequiresSmallCaps = (secondTraitsMask & FontVariantSmallCapsMask) && !(secondTraitsMask & FontVariantNormalMask);
if (firstRequiresSmallCaps != secondRequiresSmallCaps)
return firstRequiresSmallCaps;
}
bool firstHasDesiredStyle = firstTraitsMask & desiredTraitsMaskForComparison & FontStyleMask;
bool secondHasDesiredStyle = secondTraitsMask & desiredTraitsMaskForComparison & FontStyleMask;
if (firstHasDesiredStyle != secondHasDesiredStyle)
return firstHasDesiredStyle;
if ((desiredTraitsMaskForComparison & FontStyleItalicMask) && !first.isLocalFallback() && !second.isLocalFallback()) {
// Prefer a font that has indicated that it can only support italics to a font that claims to support
// all styles. The specialized font is more likely to be the one the author wants used.
bool firstRequiresItalics = (firstTraitsMask & FontStyleItalicMask) && !(firstTraitsMask & FontStyleNormalMask);
bool secondRequiresItalics = (secondTraitsMask & FontStyleItalicMask) && !(secondTraitsMask & FontStyleNormalMask);
if (firstRequiresItalics != secondRequiresItalics)
return firstRequiresItalics;
}
if (secondTraitsMask & desiredTraitsMaskForComparison & FontWeightMask)
return false;
if (firstTraitsMask & desiredTraitsMaskForComparison & FontWeightMask)
return true;
// http://www.w3.org/TR/2011/WD-css3-fonts-20111004/#font-matching-algorithm says :
// - If the desired weight is less than 400, weights below the desired weight are checked in descending order followed by weights above the desired weight in ascending order until a match is found.
// - If the desired weight is greater than 500, weights above the desired weight are checked in ascending order followed by weights below the desired weight in descending order until a match is found.
// - If the desired weight is 400, 500 is checked first and then the rule for desired weights less than 400 is used.
// - If the desired weight is 500, 400 is checked first and then the rule for desired weights less than 400 is used.
static const unsigned fallbackRuleSets = 9;
static const unsigned rulesPerSet = 8;
static const FontTraitsMask weightFallbackRuleSets[fallbackRuleSets][rulesPerSet] = {
{ FontWeight200Mask, FontWeight300Mask, FontWeight400Mask, FontWeight500Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight100Mask, FontWeight300Mask, FontWeight400Mask, FontWeight500Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight200Mask, FontWeight100Mask, FontWeight400Mask, FontWeight500Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight500Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask, FontWeight600Mask, FontWeight700Mask, FontWeight800Mask, FontWeight900Mask },
{ FontWeight700Mask, FontWeight800Mask, FontWeight900Mask, FontWeight500Mask, FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask },
{ FontWeight800Mask, FontWeight900Mask, FontWeight600Mask, FontWeight500Mask, FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask },
{ FontWeight900Mask, FontWeight700Mask, FontWeight600Mask, FontWeight500Mask, FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask },
{ FontWeight800Mask, FontWeight700Mask, FontWeight600Mask, FontWeight500Mask, FontWeight400Mask, FontWeight300Mask, FontWeight200Mask, FontWeight100Mask }
};
unsigned ruleSetIndex = 0;
unsigned w = FontWeight100Bit;
while (!(desiredTraitsMaskForComparison & (1 << w))) {
w++;
ruleSetIndex++;
}
ASSERT_WITH_SECURITY_IMPLICATION(ruleSetIndex < fallbackRuleSets);
const FontTraitsMask* weightFallbackRule = weightFallbackRuleSets[ruleSetIndex];
for (unsigned i = 0; i < rulesPerSet; ++i) {
if (secondTraitsMask & weightFallbackRule[i])
return false;
if (firstTraitsMask & weightFallbackRule[i])
return true;
}
return false;
}
void CSSFontSelector::addFontFaceRule(const CSSFontFaceRuleImpl *fontFaceRule)
{
// Obtain the font-family property and the src property. Both must be defined.
const CSSStyleDeclarationImpl *style = fontFaceRule->style();
CSSValueImpl *fontFamily = style->getPropertyCSSValue(CSS_PROP_FONT_FAMILY);
CSSValueImpl *src = style->getPropertyCSSValue(CSS_PROP_SRC);
CSSValueImpl *unicodeRange = style->getPropertyCSSValue(CSS_PROP_UNICODE_RANGE);
if (!fontFamily || !src || !fontFamily->isValueList() || !src->isValueList() || (unicodeRange && !unicodeRange->isValueList())) {
return;
}
CSSValueListImpl *familyList = static_cast<CSSValueListImpl *>(fontFamily);
if (!familyList->length()) {
return;
}
CSSValueListImpl *srcList = static_cast<CSSValueListImpl *>(src);
if (!srcList->length()) {
return;
}
// CSSValueListImpl* rangeList = static_cast<CSSValueListImpl*>(unicodeRange);
unsigned traitsMask = 0;
/*
if (CSSValueImpl* fontStyle = style->getPropertyCSSValue(CSS_PROP_FONT_STYLE)) {
if (fontStyle->isPrimitiveValue()) {
CSSValueListImpl* list = new CSSValueListImpl(CSSValueListImpl::Comma);
list->append(fontStyle);
fontStyle = list;
} else if (!fontStyle->isValueList())
return;
CSSValueListImpl* styleList = static_cast<CSSValueListImpl*>(fontStyle);
unsigned numStyles = styleList->length();
if (!numStyles)
return;
for (unsigned i = 0; i < numStyles; ++i) {
switch (static_cast<CSSPrimitiveValueImpl*>(styleList[i])->getIdent()) {
case CSS_ALL:
traitsMask |= FontStyleMask;
break;
case CSS_NORMAL:
traitsMask |= FontStyleNormalMask;
break;
case CSS_ITALIC:
case CSS_OBLIQUE:
traitsMask |= FontStyleItalicMask;
break;
default:
break;
}
}
} else
traitsMask |= FontStyleMask;
if (CSSValueImpl* fontWeight = style->getPropertyCSSValue(CSS_PROP_FONT_WEIGHT)) {
if (fontWeight->isPrimitiveValue()) {
CSSValueListImpl* list = new CSSValueListImpl(CSSValueListImpl::Comma);
list->append(fontWeight);
fontWeight = list;
} else if (!fontWeight->isValueList())
return;
CSSValueListImpl* weightList = static_cast<CSSValueListImpl*>(fontWeight);
unsigned numWeights = weightList->length();
if (!numWeights)
return;
for (unsigned i = 0; i < numWeights; ++i) {
switch (static_cast<CSSPrimitiveValueImpl*>(weightList[i])->getIdent()) {
case CSS_VAL_ALL:
traitsMask |= FontWeightMask;
break;
case CSS_VAL_BOLDER:
case CSS_VAL_BOLD:
case CSS_VAL_700:
traitsMask |= FontWeight700Mask;
break;
case CSS_VAL_NORMAL:
case CSS_VAL_400:
traitsMask |= FontWeight400Mask;
break;
case CSS_VAL_900:
traitsMask |= FontWeight900Mask;
break;
case CSS_VAL_800:
traitsMask |= FontWeight800Mask;
break;
case CSS_VAL_600:
traitsMask |= FontWeight600Mask;
break;
case CSS_VAL_500:
traitsMask |= FontWeight500Mask;
break;
case CSS_VAL_300:
traitsMask |= FontWeight300Mask;
break;
case CSS_VAL_LIGHTER:
case CSS_VAL_200:
traitsMask |= FontWeight200Mask;
break;
case CSS_VAL_100:
traitsMask |= FontWeight100Mask;
break;
default:
break;
}
}
} else
traitsMask |= FontWeightMask;
if (CSSValueImpl* fontVariant = style->getPropertyCSSValue(CSS_PROP_FONT_VARIANT)) {
if (fontVariant->isPrimitiveValue()) {
CSSValueListImpl* list = new CSSValueListImpl(CSSValueListImpl::Comma);
list->append(fontVariant);
fontVariant = list;
} else if (!fontVariant->isValueList())
return;
CSSValueListImpl* variantList = static_cast<CSSValueListImpl*>(fontVariant);
unsigned numVariants = variantList->length();
if (!numVariants)
return;
for (unsigned i = 0; i < numVariants; ++i) {
switch (static_cast<CSSPrimitiveValueImpl*>(variantList[i])->getIdent()) {
case CSS_VAL_ALL:
traitsMask |= FontVariantMask;
break;
case CSS_VAL_NORMAL:
traitsMask |= FontVariantNormalMask;
break;
case CSS_VAL_SMALL_CAPS:
traitsMask |= FontVariantSmallCapsMask;
break;
default:
break;
}
}
} else
traitsMask |= FontVariantNormalMask;
*/
// Each item in the src property's list is a single CSSFontFaceSource. Put them all into a CSSFontFace.
CSSFontFace *fontFace = 0;
const int srcLength = srcList->length();
#if 0
// ENABLE(SVG_FONTS)
bool foundSVGFont = false;
#endif
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).
CSSFontFaceSrcValueImpl *item = static_cast<CSSFontFaceSrcValueImpl *>(srcList->item(i));
CSSFontFaceSource *source = 0;
#if 0
// ENABLE(SVG_FONTS)
foundSVGFont = item->isSVGFontFaceSrc() || item->svgFontFaceElement();
#endif
if (!item->isLocal()) {
if (item->isSupportedFormat() && m_document) {
source = new CSSFontFaceSource(item->resource(), true /*distant*/);
#if 0
// ENABLE(SVG_FONTS)
if (foundSVGFont) {
cachedFont->setSVGFont(true);
}
#endif
}
} else {
source = new CSSFontFaceSource(item->resource());
}
if (source) {
#if 0
// ENABLE(SVG_FONTS)
source->setSVGFontFaceElement(item->svgFontFaceElement());
#endif
if (!fontFace) {
fontFace = new CSSFontFace(static_cast<FontTraitsMask>(traitsMask), this);
}
fontFace->addSource(source);
}
}
if (!fontFace || !fontFace->isValid()) {
delete fontFace;
return;
}
/*
if (rangeList) {
unsigned numRanges = rangeList->length();
for (unsigned i = 0; i < numRanges; i++) {
CSSUnicodeRangeValueImpl* range = static_cast<CSSUnicodeRangeValueImpl*>(rangeList->item(i));
fontFace->addRange(range->from(), range->to());
}
}
*/
// Hash under every single family name.
int familyLength = familyList->length();
for (int i = 0; i < familyLength; i++) {
CSSPrimitiveValueImpl *item = static_cast<CSSPrimitiveValueImpl *>(familyList->item(i));
DOMString familyName;
if (item->primitiveType() == CSSPrimitiveValue::CSS_STRING) {
familyName = DOMString(static_cast<FontFamilyValueImpl *>(item)->fontName());
} else if (item->primitiveType() == CSSPrimitiveValue::CSS_IDENT) {
// 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->getIdent()) {
case CSS_VAL_SERIF:
familyName = "-khtml-serif";
break;
case CSS_VAL_SANS_SERIF:
familyName = "-khtml-sans-serif";
break;
case CSS_VAL_CURSIVE:
familyName = "-khtml-cursive";
break;
case CSS_VAL_FANTASY:
familyName = "-khtml-fantasy";
break;
case CSS_VAL_MONOSPACE:
familyName = "-khtml-monospace";
break;
default:
break;
}
}
if (familyName.isEmpty()) {
continue;
}
fontFace->addFamilyName(familyName);
m_locallyInstalledFontFaces.insertMulti(familyName.lower(), fontFace);
fontFace->ref();
#if 0
// ENABLE(SVG_FONTS)
// SVG allows several <font> elements with the same font-family, differing only
// in ie. font-variant. Be sure to pick up the right one - in getFontData below.
if (foundSVGFont && (traitsMask & FontVariantSmallCapsMask)) {
familyName += "-webkit-svg-small-caps";
}
#endif
/*
Vector<RefPtr<CSSFontFace> >* familyFontFaces = m_fontFaces.get(familyName);
if (!familyFontFaces) {
familyFontFaces = new Vector<RefPtr<CSSFontFace> >;
m_fontFaces.set(familyName, familyFontFaces);
ASSERT(!m_locallyInstalledFontFaces.contains(familyName));
Vector<RefPtr<CSSFontFace> >* familyLocallyInstalledFaces;
Vector<unsigned> locallyInstalledFontsTraitsMasks;
fontCache()->getTraitsInFamily(familyName, locallyInstalledFontsTraitsMasks);
unsigned numLocallyInstalledFaces = locallyInstalledFontsTraitsMasks.size();
if (numLocallyInstalledFaces) {
familyLocallyInstalledFaces = new Vector<RefPtr<CSSFontFace> >;
m_locallyInstalledFontFaces.set(familyName, familyLocallyInstalledFaces);
for (unsigned i = 0; i < numLocallyInstalledFaces; ++i) {
RefPtr<CSSFontFace> locallyInstalledFontFace = CSSFontFace::create(static_cast<FontTraitsMask>(locallyInstalledFontsTraitsMasks[i]));
locallyInstalledFontFace->addSource(new CSSFontFaceSource(familyName));
ASSERT(locallyInstalledFontFace->isValid());
familyLocallyInstalledFaces->append(locallyInstalledFontFace);
}
}
}
familyFontFaces->append(fontFace);
*/
}
// Should be impossible, but in case empty/invalid family name makes it through...
if (fontFace->refCount() < 1) {
delete fontFace;
}
}