const nsTArray< nsCountedRef<FcPattern> >&
gfxFontconfigUtils::GetFontsForFamily(const FcChar8 *aFamilyName)
{
FontsByFcStrEntry *entry = mFontsByFamily.GetEntry(aFamilyName);
if (!entry)
return mEmptyPatternArray;
return entry->GetFonts();
}
nsresult
gfxFontconfigUtils::UpdateFontListInternal(bool aForce)
{
if (!aForce) {
// This checks periodically according to fontconfig's configured
// <rescan> interval.
FcInitBringUptoDate();
} else if (!FcConfigUptoDate(nullptr)) { // check now with aForce
mLastConfig = nullptr;
FcInitReinitialize();
}
// FcInitReinitialize() (used by FcInitBringUptoDate) creates a new config
// before destroying the old config, so the only way that we'd miss an
// update is if fontconfig did more than one update and the memory for the
// most recent config happened to be at the same location as the original
// config.
FcConfig *currentConfig = FcConfigGetCurrent();
if (currentConfig == mLastConfig)
return NS_OK;
#ifdef MOZ_BUNDLED_FONTS
ActivateBundledFonts();
#endif
// These FcFontSets are owned by fontconfig
FcFontSet *fontSets[] = {
FcConfigGetFonts(currentConfig, FcSetSystem)
#ifdef MOZ_BUNDLED_FONTS
, FcConfigGetFonts(currentConfig, FcSetApplication)
#endif
};
mFontsByFamily.Clear();
mFontsByFullname.Clear();
mLangSupportTable.Clear();
// Record the existing font families
for (unsigned fs = 0; fs < ArrayLength(fontSets); ++fs) {
FcFontSet *fontSet = fontSets[fs];
if (!fontSet) { // the application set might not exist
continue;
}
for (int f = 0; f < fontSet->nfont; ++f) {
FcPattern *font = fontSet->fonts[f];
FcChar8 *family;
for (int v = 0;
FcPatternGetString(font, FC_FAMILY, v, &family) == FcResultMatch;
++v) {
FontsByFcStrEntry *entry = mFontsByFamily.PutEntry(family);
if (entry) {
bool added = entry->AddFont(font);
if (!entry->mKey) {
// The reference to the font pattern keeps the pointer to
// string for the key valid. If adding the font failed
// then the entry must be removed.
if (added) {
entry->mKey = family;
} else {
mFontsByFamily.RawRemoveEntry(entry);
}
}
}
}
}
}
mLastConfig = currentConfig;
return NS_OK;
}
nsresult
gfxFontconfigUtils::UpdateFontListInternal(bool aForce)
{
if (!aForce) {
// This checks periodically according to fontconfig's configured
// <rescan> interval.
FcInitBringUptoDate();
} else if (!FcConfigUptoDate(NULL)) { // check now with aForce
mLastConfig = NULL;
FcInitReinitialize();
}
// FcInitReinitialize() (used by FcInitBringUptoDate) creates a new config
// before destroying the old config, so the only way that we'd miss an
// update is if fontconfig did more than one update and the memory for the
// most recent config happened to be at the same location as the original
// config.
FcConfig *currentConfig = FcConfigGetCurrent();
if (currentConfig == mLastConfig)
return NS_OK;
// This FcFontSet is owned by fontconfig
FcFontSet *fontSet = FcConfigGetFonts(currentConfig, FcSetSystem);
mFontsByFamily.Clear();
mFontsByFullname.Clear();
mLangSupportTable.Clear();
mAliasForMultiFonts.Clear();
// Record the existing font families
for (int f = 0; f < fontSet->nfont; ++f) {
FcPattern *font = fontSet->fonts[f];
FcChar8 *family;
for (int v = 0;
FcPatternGetString(font, FC_FAMILY, v, &family) == FcResultMatch;
++v) {
FontsByFcStrEntry *entry = mFontsByFamily.PutEntry(family);
if (entry) {
bool added = entry->AddFont(font);
if (!entry->mKey) {
// The reference to the font pattern keeps the pointer to
// string for the key valid. If adding the font failed
// then the entry must be removed.
if (added) {
entry->mKey = family;
} else {
mFontsByFamily.RawRemoveEntry(entry);
}
}
}
}
}
// XXX we don't support all alias names.
// Because if we don't check whether the given font name is alias name,
// fontconfig converts the non existing font to sans-serif.
// This is not good if the web page specifies font-family
// that has Windows font name in the first.
NS_ENSURE_TRUE(Preferences::GetRootBranch(), NS_ERROR_FAILURE);
nsAdoptingCString list = Preferences::GetCString("font.alias-list");
if (!list.IsEmpty()) {
const char kComma = ',';
const char *p, *p_end;
list.BeginReading(p);
list.EndReading(p_end);
while (p < p_end) {
while (nsCRT::IsAsciiSpace(*p)) {
if (++p == p_end)
break;
}
if (p == p_end)
break;
const char *start = p;
while (++p != p_end && *p != kComma)
/* nothing */ ;
nsAutoCString name(Substring(start, p));
name.CompressWhitespace(false, true);
mAliasForMultiFonts.AppendElement(name);
p++;
}
}
mLastConfig = currentConfig;
return NS_OK;
}
