/* * Copyright (C) 2007, 2008, 2011 Apple Inc. All rights reserved. * Copyright (C) 2013 Google Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef FontFaceCache_h #define FontFaceCache_h #include "wtf/Forward.h" #include "wtf/HashMap.h" #include "wtf/ListHashSet.h" #include "wtf/text/StringHash.h" namespace WebCore { class FontFace; class CSSFontSelector; class CSSSegmentedFontFace; class FontDescription; class StyleRuleFontFace; class FontFaceCache { public: FontFaceCache(); // FIXME: Remove CSSFontSelector as argument. Passing CSSFontSelector here is // a result of egregious spaghettification in FontFace/FontFaceSet. void add(CSSFontSelector*, const StyleRuleFontFace*, PassRefPtr<FontFace>); void remove(const StyleRuleFontFace*); void clear(); void addFontFace(CSSFontSelector*, PassRefPtr<FontFace>, bool cssConnected); void removeFontFace(FontFace*, bool cssConnected); // FIXME: It's sort of weird that add/remove uses StyleRuleFontFace* as key, // but this function uses FontDescription/family pair. CSSSegmentedFontFace* get(const FontDescription&, const AtomicString& family); const ListHashSet<RefPtr<FontFace> >& cssConnectedFontFaces() const { return m_cssConnectedFontFaces; } unsigned version() const { return m_version; } private: typedef HashMap<unsigned, RefPtr<CSSSegmentedFontFace> > TraitsMap; typedef HashMap<String, OwnPtr<TraitsMap>, CaseFoldingHash> FamilyToTraitsMap; typedef HashMap<const StyleRuleFontFace*, RefPtr<FontFace> > StyleRuleToFontFace; FamilyToTraitsMap m_fontFaces; FamilyToTraitsMap m_fonts; StyleRuleToFontFace m_styleRuleToFontFace; ListHashSet<RefPtr<FontFace> > m_cssConnectedFontFaces; // FIXME: See if this could be ditched // Used to compare Font instances, and the usage seems suspect. unsigned m_version; }; } #endif