1/*
2 * Copyright (C) 2007 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#include "config.h"
27#include "Language.h"
28
29#include <windows.h>
30#include <wtf/Vector.h>
31#include <wtf/text/WTFString.h>
32
33namespace WebCore {
34
35static String localeInfo(LCTYPE localeType, const String& fallback)
36{
37    LANGID langID = GetUserDefaultUILanguage();
38    int localeChars = GetLocaleInfo(langID, localeType, 0, 0);
39    if (!localeChars)
40        return fallback;
41    UChar* localeNameBuf;
42    String localeName = String::createUninitialized(localeChars, localeNameBuf);
43    localeChars = GetLocaleInfo(langID, localeType, localeNameBuf, localeChars);
44    if (!localeChars)
45        return fallback;
46    if (localeName.isEmpty())
47        return fallback;
48
49    localeName.truncate(localeName.length() - 1);
50    return localeName;
51}
52
53static String platformLanguage()
54{
55    static String computedDefaultLanguage;
56    if (!computedDefaultLanguage.isEmpty())
57        return computedDefaultLanguage;
58
59    String languageName = localeInfo(LOCALE_SISO639LANGNAME, "en");
60    String countryName = localeInfo(LOCALE_SISO3166CTRYNAME, String());
61
62    if (countryName.isEmpty())
63        computedDefaultLanguage = languageName;
64    else
65        computedDefaultLanguage = languageName + '-' + countryName;
66
67    return computedDefaultLanguage;
68}
69
70Vector<String> platformUserPreferredLanguages()
71{
72    Vector<String> userPreferredLanguages;
73    userPreferredLanguages.append(platformLanguage());
74    return userPreferredLanguages;
75}
76
77}
78