1 /* 2 * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved. 3 * Copyright (C) 2013 Google Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef CSSSegmentedFontFaceCache_h 28 #define CSSSegmentedFontFaceCache_h 29 30 #include "wtf/Forward.h" 31 #include "wtf/HashMap.h" 32 #include "wtf/text/StringHash.h" 33 34 namespace WebCore { 35 36 class CSSFontFace; 37 class CSSFontSelector; 38 class CSSSegmentedFontFace; 39 class FontDescription; 40 class StyleRuleFontFace; 41 42 class CSSSegmentedFontFaceCache { 43 public: 44 CSSSegmentedFontFaceCache(); 45 46 // FIXME: Remove CSSFontSelector as argument. Passing CSSFontSelector here is 47 // a result of egregious spaghettification in CSSFontFace/FontFaceSet. 48 void add(CSSFontSelector*, const StyleRuleFontFace*, PassRefPtr<CSSFontFace>); 49 void remove(const StyleRuleFontFace*); 50 // FIXME: It's sort of weird that add/remove uses StyleRuleFontFace* as key, 51 // but this function uses FontDescription/family pair. 52 CSSSegmentedFontFace* get(const FontDescription&, const AtomicString& family); 53 54 unsigned version() const { return m_version; } 55 56 private: 57 typedef HashMap<unsigned, RefPtr<CSSSegmentedFontFace> > TraitsMap; 58 typedef HashMap<String, OwnPtr<TraitsMap>, CaseFoldingHash> FamilyToTraitsMap; 59 typedef HashMap<const StyleRuleFontFace*, RefPtr<CSSFontFace> > StyleRuleToFontFace; 60 FamilyToTraitsMap m_fontFaces; 61 FamilyToTraitsMap m_fonts; 62 StyleRuleToFontFace m_styleRuleToFontFace; 63 64 // FIXME: See if this could be ditched 65 // Used to compare Font instances, and the usage seems suspect. 66 unsigned m_version; 67 }; 68 69 } 70 71 #endif 72
