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 <unicode/uscript.h>
30#include <wtf/HashMap.h>
31#include <wtf/text/AtomicString.h>
32#include <wtf/text/AtomicStringHash.h>
33
34namespace WebCore {
35
36// UScriptCode uses -1 and 0 for UScriptInvalidCode and UScriptCommon.
37// We need to use -2 and -3 for empty value and deleted value.
38struct UScriptCodeHashTraits : WTF::GenericHashTraits<int> {
39 static const bool emptyValueIsZero = false;
40 static int emptyValue() { return -2; }
41 static void constructDeletedValue(int& slot) { slot = -3; }
42 static bool isDeletedValue(int value) { return value == -3; }
43};
44
45typedef HashMap<int, AtomicString, DefaultHash<int>::Hash, UScriptCodeHashTraits> ScriptFontFamilyMap;
46
47class FontGenericFamilies {
48 WTF_MAKE_FAST_ALLOCATED;
49public:
50 FontGenericFamilies();
51
52 const AtomicString& standardFontFamily(UScriptCode = USCRIPT_COMMON) const;
53 const AtomicString& fixedFontFamily(UScriptCode = USCRIPT_COMMON) const;
54 const AtomicString& serifFontFamily(UScriptCode = USCRIPT_COMMON) const;
55 const AtomicString& sansSerifFontFamily(UScriptCode = USCRIPT_COMMON) const;
56 const AtomicString& cursiveFontFamily(UScriptCode = USCRIPT_COMMON) const;
57 const AtomicString& fantasyFontFamily(UScriptCode = USCRIPT_COMMON) const;
58 const AtomicString& pictographFontFamily(UScriptCode = USCRIPT_COMMON) const;
59
60 bool setStandardFontFamily(const AtomicString&, UScriptCode);
61 bool setFixedFontFamily(const AtomicString&, UScriptCode);
62 bool setSerifFontFamily(const AtomicString&, UScriptCode);
63 bool setSansSerifFontFamily(const AtomicString&, UScriptCode);
64 bool setCursiveFontFamily(const AtomicString&, UScriptCode);
65 bool setFantasyFontFamily(const AtomicString&, UScriptCode);
66 bool setPictographFontFamily(const AtomicString&, UScriptCode);
67
68private:
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