/*
 * Copyright (C) 2003, 2006, 2010, 2013 Apple 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 Language_h
#define Language_h

#include "platform/PlatformExport.h"
#include "wtf/Forward.h"
#include "wtf/Vector.h"

namespace blink {

// Returns lowercased BCP-47 language tag such as "en-us".  This is the UI
// locale of the browser application.
PLATFORM_EXPORT AtomicString defaultLanguage();
// Returns a list of lowercased BCP-47 language tags.  This never returns
// multiple values in production.  This is not a value of Accept-Languages
// header.  See ChromeClient::acceptLanguages.
PLATFORM_EXPORT Vector<AtomicString> userPreferredLanguages();
PLATFORM_EXPORT void overrideUserPreferredLanguages(const Vector<AtomicString>&);
PLATFORM_EXPORT size_t indexOfBestMatchingLanguageInList(const AtomicString& language, const Vector<AtomicString>& languageList);

}

#endif
