1/* 2 * Copyright (C) 2013 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 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 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 FontGenericFamilies_h 27#define FontGenericFamilies_h 28 29#include <wtf/HashMap.h> 30#include <wtf/RefCounted.h> 31#include <wtf/text/AtomicString.h> 32 33namespace WebCore { 34 35// UScriptCode uses -1 and 0 for UScriptInvalidCode and UScriptCommon. 36// We need to use -2 and -3 for empty value and deleted value. 37struct UScriptCodeHashTraits : WTF::GenericHashTraits<int> { 38 static const bool emptyValueIsZero = false; 39 static int emptyValue() { return -2; } 40 static void constructDeletedValue(int& slot) { slot = -3; } 41 static bool isDeletedValue(int value) { return value == -3; } 42}; 43 44typedef HashMap<int, AtomicString, DefaultHash<int>::Hash, UScriptCodeHashTraits> ScriptFontFamilyMap; 45 46class FontGenericFamilies : public RefCounted<FontGenericFamilies> { 47public: 48 static PassRefPtr<FontGenericFamilies> create() { return adoptRef(new FontGenericFamilies); } 49 50 const AtomicString& standardFontFamily(UScriptCode = USCRIPT_COMMON) const; 51 const AtomicString& fixedFontFamily(UScriptCode = USCRIPT_COMMON) const; 52 const AtomicString& serifFontFamily(UScriptCode = USCRIPT_COMMON) const; 53 const AtomicString& sansSerifFontFamily(UScriptCode = USCRIPT_COMMON) const; 54 const AtomicString& cursiveFontFamily(UScriptCode = USCRIPT_COMMON) const; 55 const AtomicString& fantasyFontFamily(UScriptCode = USCRIPT_COMMON) const; 56 const AtomicString& pictographFontFamily(UScriptCode = USCRIPT_COMMON) const; 57 58 bool setStandardFontFamily(const AtomicString&, UScriptCode); 59 bool setFixedFontFamily(const AtomicString&, UScriptCode); 60 bool setSerifFontFamily(const AtomicString&, UScriptCode); 61 bool setSansSerifFontFamily(const AtomicString&, UScriptCode); 62 bool setCursiveFontFamily(const AtomicString&, UScriptCode); 63 bool setFantasyFontFamily(const AtomicString&, UScriptCode); 64 bool setPictographFontFamily(const AtomicString&, UScriptCode); 65 66private: 67 FontGenericFamilies(); 68 69 ScriptFontFamilyMap m_standardFontFamilyMap; 70 ScriptFontFamilyMap m_serifFontFamilyMap; 71 ScriptFontFamilyMap m_fixedFontFamilyMap; 72 ScriptFontFamilyMap m_sansSerifFontFamilyMap; 73 ScriptFontFamilyMap m_cursiveFontFamilyMap; 74 ScriptFontFamilyMap m_fantasyFontFamilyMap; 75 ScriptFontFamilyMap m_pictographFontFamilyMap; 76}; 77 78} 79 80#endif 81