1 /* 2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef CSSFontSelector_h 27 #define CSSFontSelector_h 28 29 #include "FontSelector.h" 30 #include <wtf/Forward.h> 31 #include <wtf/HashMap.h> 32 #include <wtf/HashSet.h> 33 #include <wtf/RefPtr.h> 34 #include <wtf/text/StringHash.h> 35 36 namespace WebCore { 37 38 class CSSFontFace; 39 class CSSFontFaceRule; 40 class CSSSegmentedFontFace; 41 class Document; 42 class CachedResourceLoader; 43 class FontDescription; 44 45 class CSSFontSelector : public FontSelector { 46 public: create(Document * document)47 static PassRefPtr<CSSFontSelector> create(Document* document) 48 { 49 return adoptRef(new CSSFontSelector(document)); 50 } 51 virtual ~CSSFontSelector(); 52 53 virtual FontData* getFontData(const FontDescription& fontDescription, const AtomicString& familyName); 54 clearDocument()55 void clearDocument() { m_document = 0; } 56 57 void addFontFaceRule(const CSSFontFaceRule*); 58 59 void fontLoaded(); 60 virtual void fontCacheInvalidated(); 61 62 void retireCustomFont(FontData*); 63 64 bool isEmpty() const; 65 66 CachedResourceLoader* cachedResourceLoader() const; 67 68 virtual void registerForInvalidationCallbacks(FontSelectorClient*); 69 virtual void unregisterForInvalidationCallbacks(FontSelectorClient*); 70 71 private: 72 CSSFontSelector(Document*); 73 74 void dispatchInvalidationCallbacks(); 75 76 Document* m_document; 77 HashMap<String, Vector<RefPtr<CSSFontFace> >*, CaseFoldingHash> m_fontFaces; 78 HashMap<String, Vector<RefPtr<CSSFontFace> >*, CaseFoldingHash> m_locallyInstalledFontFaces; 79 HashMap<String, HashMap<unsigned, RefPtr<CSSSegmentedFontFace> >*, CaseFoldingHash> m_fonts; 80 HashSet<FontSelectorClient*> m_clients; 81 }; 82 83 } // namespace WebCore 84 85 #endif // CSSFontSelector_h 86