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26 #ifndef CSSFontSelector_h
27 #define CSSFontSelector_h
29 #include "core/css/FontFaceCache.h"
30 #include "core/fetch/ResourceLoader.h"
31 #include "core/fetch/ResourcePtr.h"
32 #include "platform/Timer.h"
33 #include "platform/fonts/FontSelector.h"
34 #include "platform/fonts/GenericFontFamilySettings.h"
35 #include "platform/heap/Handle.h"
36 #include "wtf/Forward.h"
37 #include "wtf/HashMap.h"
38 #include "wtf/HashSet.h"
43 class CSSFontFaceRule;
44 class CSSFontSelectorClient;
45 class CSSSegmentedFontFace;
47 class FontDescription;
49 class StyleRuleFontFace;
52 DISALLOW_ALLOCATION();
54 explicit FontLoader(ResourceFetcher*);
57 void addFontToBeginLoading(FontResource*);
58 void loadPendingFonts();
61 void clearResourceFetcher();
67 void beginLoadTimerFired(Timer<FontLoader>*);
69 Timer<FontLoader> m_beginLoadingTimer;
71 typedef Vector<std::pair<ResourcePtr<FontResource>, ResourceLoader::RequestCountTracker> > FontsToLoadVector;
72 FontsToLoadVector m_fontsToBeginLoading;
73 RawPtrWillBeMember<ResourceFetcher> m_resourceFetcher;
76 class CSSFontSelector FINAL : public FontSelector {
78 static PassRefPtrWillBeRawPtr<CSSFontSelector> create(Document* document)
80 return adoptRefWillBeNoop(new CSSFontSelector(document));
82 virtual ~CSSFontSelector();
84 virtual unsigned version() const OVERRIDE { return m_fontFaceCache.version(); }
86 virtual PassRefPtr<FontData> getFontData(const FontDescription&, const AtomicString&) OVERRIDE;
87 virtual void willUseFontData(const FontDescription&, const AtomicString& family, UChar32) OVERRIDE;
95 // FontCacheClient implementation
96 virtual void fontCacheInvalidated() OVERRIDE;
98 void registerForInvalidationCallbacks(CSSFontSelectorClient*);
100 void unregisterForInvalidationCallbacks(CSSFontSelectorClient*);
103 Document* document() const { return m_document; }
104 FontFaceCache* fontFaceCache() { return &m_fontFaceCache; }
106 const GenericFontFamilySettings& genericFontFamilySettings() const { return m_genericFontFamilySettings; }
107 void updateGenericFontFamilySettings(Document&);
109 void beginLoadingFontSoon(FontResource*);
110 void loadPendingFonts();
112 virtual void trace(Visitor*);
115 explicit CSSFontSelector(Document*);
117 void dispatchInvalidationCallbacks();
119 RawPtrWillBeMember<Document> m_document;
120 // FIXME: Move to Document or StyleEngine.
121 FontFaceCache m_fontFaceCache;
122 WillBeHeapHashSet<RawPtrWillBeWeakMember<CSSFontSelectorClient> > m_clients;
124 FontLoader m_fontLoader;
125 GenericFontFamilySettings m_genericFontFamilySettings;
128 } // namespace WebCore
130 #endif // CSSFontSelector_h