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27 #ifndef FontFaceCache_h
28 #define FontFaceCache_h
30 #include "platform/heap/Handle.h"
31 #include "wtf/Forward.h"
32 #include "wtf/HashMap.h"
33 #include "wtf/ListHashSet.h"
34 #include "wtf/text/StringHash.h"
39 class CSSFontSelector;
40 class CSSSegmentedFontFace;
41 class FontDescription;
42 class StyleRuleFontFace;
44 class FontFaceCache FINAL {
45 DISALLOW_ALLOCATION();
49 // FIXME: Remove CSSFontSelector as argument. Passing CSSFontSelector here is
50 // a result of egregious spaghettification in FontFace/FontFaceSet.
51 void add(CSSFontSelector*, const StyleRuleFontFace*, PassRefPtrWillBeRawPtr<FontFace>);
52 void remove(const StyleRuleFontFace*);
54 void addFontFace(CSSFontSelector*, PassRefPtrWillBeRawPtr<FontFace>, bool cssConnected);
55 void removeFontFace(FontFace*, bool cssConnected);
57 // FIXME: It's sort of weird that add/remove uses StyleRuleFontFace* as key,
58 // but this function uses FontDescription/family pair.
59 CSSSegmentedFontFace* get(const FontDescription&, const AtomicString& family);
61 const ListHashSet<RefPtrWillBeMember<FontFace> >& cssConnectedFontFaces() const { return m_cssConnectedFontFaces; }
63 unsigned version() const { return m_version; }
68 typedef WillBeHeapHashMap<unsigned, RefPtrWillBeMember<CSSSegmentedFontFace> > TraitsMap;
69 typedef WillBeHeapHashMap<String, OwnPtrWillBeMember<TraitsMap>, CaseFoldingHash> FamilyToTraitsMap;
70 typedef WillBeHeapHashMap<const StyleRuleFontFace*, RefPtrWillBeMember<FontFace> > StyleRuleToFontFace;
71 FamilyToTraitsMap m_fontFaces;
72 FamilyToTraitsMap m_fonts;
73 StyleRuleToFontFace m_styleRuleToFontFace;
74 // FIXME: Oilpan: Replace by HeapLinkedHashSet or HeapListHashSet.
75 ListHashSet<RefPtrWillBeMember<FontFace> > m_cssConnectedFontFaces;
77 // FIXME: See if this could be ditched
78 // Used to compare Font instances, and the usage seems suspect.