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26 #ifndef CSSFontSelector_h
27 #define CSSFontSelector_h
29 #include "core/css/FontFaceCache.h"
30 #include "core/fetch/ResourcePtr.h"
31 #include "platform/Timer.h"
32 #include "platform/fonts/FontSelector.h"
33 #include "platform/fonts/GenericFontFamilySettings.h"
34 #include "wtf/Forward.h"
35 #include "wtf/HashMap.h"
36 #include "wtf/HashSet.h"
41 class CSSFontFaceRule;
42 class CSSFontSelectorClient;
43 class CSSSegmentedFontFace;
46 class FontDescription;
47 class StyleRuleFontFace;
51 explicit FontLoader(ResourceFetcher*);
53 void addFontToBeginLoading(FontResource*);
54 void loadPendingFonts();
56 void clearResourceFetcher();
59 void beginLoadTimerFired(Timer<FontLoader>*);
61 Timer<FontLoader> m_beginLoadingTimer;
62 Vector<ResourcePtr<FontResource> > m_fontsToBeginLoading;
63 ResourceFetcher* m_resourceFetcher;
66 class CSSFontSelector FINAL : public FontSelector {
68 static PassRefPtr<CSSFontSelector> create(Document* document)
70 return adoptRef(new CSSFontSelector(document));
72 virtual ~CSSFontSelector();
74 virtual unsigned version() const OVERRIDE { return m_fontFaceCache.version(); }
76 virtual PassRefPtr<FontData> getFontData(const FontDescription&, const AtomicString&) OVERRIDE;
77 virtual void willUseFontData(const FontDescription&, const AtomicString& family) OVERRIDE;
83 // FontCacheClient implementation
84 virtual void fontCacheInvalidated() OVERRIDE;
86 void registerForInvalidationCallbacks(CSSFontSelectorClient*);
87 void unregisterForInvalidationCallbacks(CSSFontSelectorClient*);
89 Document* document() const { return m_document; }
90 FontFaceCache* fontFaceCache() { return &m_fontFaceCache; }
92 const GenericFontFamilySettings& genericFontFamilySettings() const { return m_genericFontFamilySettings; }
93 void updateGenericFontFamilySettings(Document&);
95 void beginLoadingFontSoon(FontResource*);
96 void loadPendingFonts();
99 explicit CSSFontSelector(Document*);
101 void dispatchInvalidationCallbacks();
103 Document* m_document;
104 // FIXME: Move to Document or StyleEngine.
105 FontFaceCache m_fontFaceCache;
106 HashSet<CSSFontSelectorClient*> m_clients;
108 FontLoader m_fontLoader;
109 GenericFontFamilySettings m_genericFontFamilySettings;
112 } // namespace WebCore
114 #endif // CSSFontSelector_h