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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <windef.h>
#include <winbase.h>
#include <winnls.h>
#include <osl/mutex.hxx>
#include <osl/doublecheckedlocking.h>
#include <i18nlangtag/mslangid.hxx>
static LanguageType nImplSystemLanguage = LANGUAGE_DONTKNOW;
static LanguageType nImplSystemUILanguage = LANGUAGE_DONTKNOW;
static LanguageType GetSVLang( LANGID nWinLangId )
{
// No Translation, we work with the original MS code without the SORT_ID.
// So we can get never LANG-ID's from MS, which are currently not defined
// by us.
return LanguageType( static_cast<sal_uInt16>(nWinLangId & 0xffff));
}
typedef LANGID (WINAPI *getLangFromEnv)();
static void getPlatformSystemLanguageImpl( LanguageType& rSystemLanguage,
getLangFromEnv pGetUserDefault, getLangFromEnv pGetSystemDefault )
{
LanguageType nLang = rSystemLanguage;
if ( nLang == LANGUAGE_DONTKNOW )
{
::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex());
nLang = rSystemLanguage;
if ( nLang == LANGUAGE_DONTKNOW )
{
LANGID nLangId;
nLangId = pGetUserDefault();
nLang = GetSVLang( nLangId );
if ( nLang == LANGUAGE_DONTKNOW )
{
nLangId = pGetSystemDefault();
nLang = GetSVLang( nLangId );
}
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
rSystemLanguage = nLang;
}
else
{
OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER();
}
}
}
LanguageType MsLangId::getPlatformSystemLanguage()
{
getPlatformSystemLanguageImpl( nImplSystemLanguage,
&GetUserDefaultLangID, &GetSystemDefaultLangID);
return nImplSystemLanguage;
}
LanguageType MsLangId::getPlatformSystemUILanguage()
{
// TODO: this could be distinguished, #if(WINVER >= 0x0500)
// needs _run_ time differentiation though, not at compile time.
getPlatformSystemLanguageImpl( nImplSystemUILanguage,
&GetUserDefaultUILanguage, &GetSystemDefaultUILanguage);
return nImplSystemUILanguage;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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