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31 #ifndef GenericFontFamilySettings_h
32 #define GenericFontFamilySettings_h
34 #include "platform/PlatformExport.h"
35 #include "wtf/HashMap.h"
36 #include "wtf/text/AtomicString.h"
37 #include "wtf/text/AtomicStringHash.h"
39 #include <unicode/uscript.h>
43 class PLATFORM_EXPORT GenericFontFamilySettings {
44 WTF_MAKE_FAST_ALLOCATED;
47 GenericFontFamilySettings()
51 explicit GenericFontFamilySettings(const GenericFontFamilySettings&);
53 bool updateStandard(const AtomicString&, UScriptCode = USCRIPT_COMMON);
54 const AtomicString& standard(UScriptCode = USCRIPT_COMMON) const;
56 bool updateFixed(const AtomicString&, UScriptCode = USCRIPT_COMMON);
57 const AtomicString& fixed(UScriptCode = USCRIPT_COMMON) const;
59 bool updateSerif(const AtomicString&, UScriptCode = USCRIPT_COMMON);
60 const AtomicString& serif(UScriptCode = USCRIPT_COMMON) const;
62 bool updateSansSerif(const AtomicString&, UScriptCode = USCRIPT_COMMON);
63 const AtomicString& sansSerif(UScriptCode = USCRIPT_COMMON) const;
65 bool updateCursive(const AtomicString&, UScriptCode = USCRIPT_COMMON);
66 const AtomicString& cursive(UScriptCode = USCRIPT_COMMON) const;
68 bool updateFantasy(const AtomicString&, UScriptCode = USCRIPT_COMMON);
69 const AtomicString& fantasy(UScriptCode = USCRIPT_COMMON) const;
71 bool updatePictograph(const AtomicString&, UScriptCode = USCRIPT_COMMON);
72 const AtomicString& pictograph(UScriptCode = USCRIPT_COMMON) const;
74 // Only called by InternalSettings to clear font family maps.
77 GenericFontFamilySettings& operator=(const GenericFontFamilySettings&);
80 // UScriptCode uses -1 and 0 for UScriptInvalidCode and UScriptCommon.
81 // We need to use -2 and -3 for empty value and deleted value.
82 struct UScriptCodeHashTraits : WTF::GenericHashTraits<int> {
83 static const bool emptyValueIsZero = false;
84 static int emptyValue() { return -2; }
85 static void constructDeletedValue(int& slot, bool) { slot = -3; }
86 static bool isDeletedValue(int value) { return value == -3; }
89 typedef HashMap<int, AtomicString, DefaultHash<int>::Hash, UScriptCodeHashTraits> ScriptFontFamilyMap;
91 void setGenericFontFamilyMap(ScriptFontFamilyMap&, const AtomicString&, UScriptCode);
92 const AtomicString& genericFontFamilyForScript(const ScriptFontFamilyMap&, UScriptCode) const;
94 ScriptFontFamilyMap m_standardFontFamilyMap;
95 ScriptFontFamilyMap m_serifFontFamilyMap;
96 ScriptFontFamilyMap m_fixedFontFamilyMap;
97 ScriptFontFamilyMap m_sansSerifFontFamilyMap;
98 ScriptFontFamilyMap m_cursiveFontFamilyMap;
99 ScriptFontFamilyMap m_fantasyFontFamilyMap;
100 ScriptFontFamilyMap m_pictographFontFamilyMap;