/*

 * Copyright (C) 2009 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 OptionElement_h

#define OptionElement_h

#include "PlatformString.h"

namespace WebCore {

class Element;

class Document;

class OptionElementData;

class SelectElement;

class OptionElement {

public:

    virtual ~OptionElement() { }

    virtual bool disabled() const = 0;

    virtual bool selected() const = 0;

    virtual void setSelectedState(bool) = 0;

    virtual String text() const = 0;

    virtual String textIndentedToRespectGroupLabel() const = 0;

    virtual String value() const = 0;

protected:

    static void setSelectedState(OptionElementData&, Element*, bool selected);

    static int optionIndex(SelectElement*, const Element*);

    static String collectOptionLabelOrText(const OptionElementData&, const Element*);

    static String collectOptionTextRespectingGroupLabel(const OptionElementData&, const Element*);

    static String collectOptionValue(const OptionElementData&, const Element*);

private:

    static String collectOptionInnerText(const Element*);

    static String normalizeText(const Document*, const String&);

};

// HTML/WMLOptionElement hold this struct as member variable

// and pass it to the static helper functions in OptionElement

class OptionElementData {

public:

    OptionElementData();

    String value() const { return m_value; }

    void setValue(const String& value) { m_value = value; }

    String label() const { return m_label; }

    void setLabel(const String& label) { m_label = label; }

    bool selected() const { return m_selected; }

    void setSelected(bool selected) { m_selected = selected; }

private:

    String m_value;

    String m_label;

    bool m_selected;

};

OptionElement* toOptionElement(Element*);

bool isOptionElement(Element*);

}

#endif