/*

 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)

 *           (C) 1999 Antti Koivisto (koivisto@kde.org)

 *           (C) 2001 Dirk Mueller (mueller@kde.org)

 *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)

 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.

 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this library; see the file COPYING.LIB.  If not, write to

 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 *

 */

#ifndef ViewportArguments_h

#define ViewportArguments_h

namespace WebCore {

class Document;

class String;

enum ViewportErrorCode {

    DeviceWidthShouldBeUsedWarning,

    DeviceHeightShouldBeUsedWarning,

    UnrecognizedViewportArgumentError,

    MaximumScaleTooLargeError

};

struct ViewportArguments {

    enum { ValueUndefined = -1 };

    ViewportArguments()

        : initialScale(ValueUndefined)

        , minimumScale(ValueUndefined)

        , maximumScale(ValueUndefined)

        , width(ValueUndefined)

        , height(ValueUndefined)

        , userScalable(ValueUndefined)

    {

    }

    float initialScale;

    float minimumScale;

    float maximumScale;

    float width;

    float height;

    float userScalable;

    bool hasCustomArgument() const

    {

        return initialScale != ValueUndefined || minimumScale != ValueUndefined || maximumScale != ValueUndefined || width != ValueUndefined || height != ValueUndefined || userScalable != ValueUndefined;

    }

};

void setViewportFeature(const String& keyString, const String& valueString, Document*, void* data);

void reportViewportWarning(Document*, ViewportErrorCode, const String& replacement);

} // namespace WebCore

#endif // ViewportArguments_h