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Bug 1244017 - remove system font cascade for OSX. r=m_kato
This commit is contained in:
John Daggett
parent
af1aa001fc
commit
39e57ed7f1
@ -667,8 +667,7 @@ public:
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mIsBadUnderlineFamily(false),
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mFamilyCharacterMapInitialized(false),
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mSkipDefaultFeatureSpaceCheck(false),
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mCheckForFallbackFaces(false),
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mLinkedSystemFamily(false)
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mCheckForFallbackFaces(false)
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{ }
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const nsString& Name() { return mName; }
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@ -797,9 +796,6 @@ public:
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mSkipDefaultFeatureSpaceCheck = aSkipCheck;
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}
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bool LinkedSystemFamily() const { return mLinkedSystemFamily; }
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void SetLinkedSystemFamily() { mLinkedSystemFamily = true; }
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protected:
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// Protected destructor, to discourage deletion outside of Release():
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virtual ~gfxFontFamily()
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@ -832,7 +828,6 @@ protected:
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bool mFamilyCharacterMapInitialized : 1;
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bool mSkipDefaultFeatureSpaceCheck : 1;
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bool mCheckForFallbackFaces : 1; // check other faces for character
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bool mLinkedSystemFamily : 1; // system fonts linked to other families
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enum {
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// for "simple" families, the faces are stored in mAvailableFonts
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@ -106,10 +106,6 @@ public:
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gfxFontStyle &aFontStyle,
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float aDevPixPerCSSPixel);
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virtual void
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AppendLinkedSystemFamilies(nsIAtom* aLanguage,
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nsTArray<gfxFontFamily*>& aFamilyList) override;
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private:
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friend class gfxPlatformMac;
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@ -125,10 +121,6 @@ private:
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// initialize system fonts
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void InitSystemFonts();
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// helper function for looking up font cascades
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void LookupFontCascadeForLang(const nsACString& aLang,
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nsTArray<gfxFontFamily*>& aCascadeList);
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// helper function to lookup in both hidden system fonts and normal fonts
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gfxFontFamily* FindSystemFontFamily(const nsAString& aFamily);
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@ -178,20 +170,6 @@ private:
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bool mUseSizeSensitiveSystemFont;
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RefPtr<gfxFontFamily> mSystemTextFontFamily;
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RefPtr<gfxFontFamily> mSystemDisplayFontFamily; // only used on OSX 10.11
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// system font cascade - under OSX, the system font is effectively
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// not a single family but a fontlist with the Latin font at the end
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// of the list (e.g. Lucida Grande, Helevetica Neue, San Francisco)
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// most languages use a common default set of choices matching lang=en
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PrefFontList mDefaultCascadeFamilies;
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// for languages where the fontlist doesn't match the default list
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// (e.g. zh-TW will prioritize the traditional Chinese font over the
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// Japanese font)
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nsBaseHashtable<nsCStringHashKey,
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nsAutoPtr<PrefFontList>,
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PrefFontList*> mNonDefaultCascadeFamilies;
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};
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#endif /* gfxMacPlatformFontList_H_ */
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@ -623,10 +623,6 @@ gfxSingleFaceMacFontFamily::ReadOtherFamilyNames(gfxPlatformFontList *aPlatformF
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mOtherFamilyNamesInitialized = true;
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}
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typedef CFArrayRef (CTFontCopyDefaultCascadeListForLanguagesFunc)(CTFontRef font, CFArrayRef languagePrefList);
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static CTFontCopyDefaultCascadeListForLanguagesFunc*
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CTFontCopyDefaultCascadeListForLanguagesPtr = nullptr;
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/* gfxMacPlatformFontList */
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#pragma mark-
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@ -649,11 +645,6 @@ gfxMacPlatformFontList::gfxMacPlatformFontList() :
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// cache this in a static variable so that MacOSFontFamily objects
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// don't have to repeatedly look it up
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sFontManager = [NSFontManager sharedFontManager];
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// available in 10.8 and above
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CTFontCopyDefaultCascadeListForLanguagesPtr =
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(CTFontCopyDefaultCascadeListForLanguagesFunc*)
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dlsym(RTLD_DEFAULT, "CTFontCopyDefaultCascadeListForLanguages");
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}
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gfxMacPlatformFontList::~gfxMacPlatformFontList()
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@ -791,63 +782,6 @@ static NSString* GetRealFamilyName(NSFont* aFont)
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const CGFloat kTextDisplayCrossover = 20.0; // use text family below this size
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void
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gfxMacPlatformFontList::LookupFontCascadeForLang(const nsACString& aLang,
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nsTArray<gfxFontFamily*>& aCascadeList)
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{
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// if cascade not available just return empty list
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if (!CTFontCopyDefaultCascadeListForLanguagesPtr) {
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return;
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}
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// get the system font (note: the lang parameter doesn't affect the result)
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CTFontRef systemFont =
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CTFontCreateUIFontForLanguage(kCTFontSystemFontType, 12.0,
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CFSTR("en-US"));
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// fetch cascade list
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CFStringRef langStr =
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CFStringCreateWithCString(kCFAllocatorDefault,
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PromiseFlatCString(aLang).get(),
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kCFStringEncodingUTF8);
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CFStringRef languages[1] = { langStr };
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CFArrayRef langList = CFArrayCreate(kCFAllocatorDefault,
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(const void **) languages, 1,
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&kCFTypeArrayCallBacks);
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CFRelease(langStr);
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CFArrayRef cascade =
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CTFontCopyDefaultCascadeListForLanguagesPtr(systemFont, langList);
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CFRelease(systemFont);
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CFRelease(langList);
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// iterate over font descriptors in cascade array
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for (NSFontDescriptor* fontDesc in (NSArray*) cascade) {
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// First, determine the font family name. Since font cascades
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// sometimes include weird "meta" names, need to determine the
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// family name using the CGFont object
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CTFontDescriptorRef fd = (CTFontDescriptorRef) fontDesc;
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CTFontRef fontRef = CTFontCreateWithFontDescriptor(fd, 0.0, 0);
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CFRelease(fd);
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CGFontRef cgFontRef = CTFontCopyGraphicsFont(fontRef, NULL);
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CFRelease(fontRef);
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CFStringRef psname = CGFontCopyPostScriptName(cgFontRef);
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CFRelease(cgFontRef);
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fontRef = CTFontCreateWithName(psname, 0.0, NULL);
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CFRelease(psname);
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CFStringRef name = CTFontCopyFamilyName(fontRef);
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CFRelease(fontRef);
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// lookup the family and append it to the list
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nsAutoString familyStr;
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GetStringForNSString((NSString*) name, familyStr);
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CFRelease(name);
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gfxFontFamily* family = FindFamily(familyStr);
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if (family) {
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aCascadeList.AppendElement(family);
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}
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}
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}
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void
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gfxMacPlatformFontList::InitSystemFonts()
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{
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@ -863,7 +797,6 @@ gfxMacPlatformFontList::InitSystemFonts()
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nsCocoaUtils::GetStringForNSString(textFamilyName, familyName);
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mSystemTextFontFamily = FindSystemFontFamily(familyName);
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NS_ASSERTION(mSystemTextFontFamily, "null system display font family");
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mSystemTextFontFamily->SetLinkedSystemFamily();
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// display font family, if on OSX 10.11
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if (mUseSizeSensitiveSystemFont) {
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@ -872,7 +805,6 @@ gfxMacPlatformFontList::InitSystemFonts()
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nsCocoaUtils::GetStringForNSString(displayFamilyName, familyName);
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mSystemDisplayFontFamily = FindSystemFontFamily(familyName);
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NS_ASSERTION(mSystemDisplayFontFamily, "null system display font family");
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mSystemDisplayFontFamily->SetLinkedSystemFamily();
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#if DEBUG
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// confirm that the optical size switch is at 20.0
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@ -900,11 +832,6 @@ gfxMacPlatformFontList::InitSystemFonts()
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" -- please log a bug!!");
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}
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#endif
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nsAutoCString en("en");
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AutoTArray<gfxFontFamily*,10> list;
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LookupFontCascadeForLang(en, list);
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mDefaultCascadeFamilies.AppendElements(list);
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}
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gfxFontFamily*
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@ -1252,66 +1179,6 @@ gfxMacPlatformFontList::LookupSystemFont(LookAndFeel::FontID aSystemFontID,
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aFontStyle.systemFont = true;
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}
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void
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gfxMacPlatformFontList::AppendLinkedSystemFamilies(nsIAtom* aLanguage,
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nsTArray<gfxFontFamily*>& aFamilyList)
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{
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// map lang atom to lang string
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nsAutoCString lang;
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GetSampleLangForGroup(aLanguage, lang, false);
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ToLowerCase(lang);
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// quick exit for older versions of OSX
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if (mDefaultCascadeFamilies.IsEmpty()) {
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return;
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}
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// assume default cascade except for CJK locales
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bool defaultCascade = true;
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if (lang.Length() >= 2) {
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const nsACString& langTag = Substring(lang, 0, 2);
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if (langTag.EqualsLiteral("zh")) {
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defaultCascade = false;
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// the font cascade code is fussy about the hyphen/underbar before
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// the region code, so zh_TW is recognized, zh-TW is ignored
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if (lang.EqualsLiteral("zh-tw")) {
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lang.AssignLiteral("zh_tw");
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} else if (lang.EqualsLiteral("zh-cn")) {
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lang.AssignLiteral("zh_cn");
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} else if (lang.EqualsLiteral("zh-hk")) {
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lang.AssignLiteral("zh_hk");
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}
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} else if (langTag.EqualsLiteral("ja") ||
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langTag.EqualsLiteral("ko")) {
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defaultCascade = false;
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}
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}
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if (defaultCascade) {
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aFamilyList.AppendElements(mDefaultCascadeFamilies);
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return;
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}
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// check to see if cached already
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PrefFontList* fontsForLang = mNonDefaultCascadeFamilies.Get(lang);
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if (fontsForLang) {
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aFamilyList.AppendElements(*fontsForLang);
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return;
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}
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// lookup the cascade fonts
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AutoTArray<gfxFontFamily*,30> list;
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LookupFontCascadeForLang(lang, list);
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// add cascade to cascade cache
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fontsForLang = new PrefFontList;
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fontsForLang->AppendElements(list);
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mNonDefaultCascadeFamilies.Put(lang, fontsForLang);
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// use the new list
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aFamilyList.AppendElements(list);
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}
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// used to load system-wide font info on off-main thread
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class MacFontInfo : public FontInfoData {
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public:
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@ -200,10 +200,6 @@ public:
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aLoaderState = (uint32_t) mState;
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}
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// for platforms that use linked system fontlists, append these
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virtual void
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AppendLinkedSystemFamilies(nsIAtom* aLanguage,
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nsTArray<gfxFontFamily*>& aFamilyList) {}
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virtual void
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AddGenericFonts(mozilla::FontFamilyType aGenericType,
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nsIAtom* aLanguage,
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@ -1669,12 +1669,6 @@ gfxFontGroup::AddPlatformFont(const nsAString& aName,
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if (family) {
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aFamilyList.AppendElement(family);
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// In some cases, system generic fonts are linked to a set of
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// families, so include these if that's the case
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if (family->LinkedSystemFamily()) {
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fontList->AppendLinkedSystemFamilies(mStyle.language,
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aFamilyList);
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}
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}
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}
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