/**

 * 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.

 *

 */

#include "config.h"

#if ENABLE(WML)

#include "WMLOptionElement.h"

#include "Attribute.h"

#include "HTMLNames.h"

#include "NodeRenderStyle.h"

#include "RenderStyle.h"

#include "WMLNames.h"

#include "WMLSelectElement.h"

namespace WebCore {

using namespace WMLNames;

WMLOptionElement::WMLOptionElement(const QualifiedName& tagName, Document* doc)

    : WMLFormControlElement(tagName, doc)

{

}

WMLOptionElement::~WMLOptionElement()

{

}

const AtomicString& WMLOptionElement::formControlType() const

{

    DEFINE_STATIC_LOCAL(const AtomicString, option, ("option"));

    return option;

}

static inline WMLSelectElement* ownerSelectElement(Element* element)

{

    Node* select = element->parentNode();

    while (select && !select->hasTagName(selectTag))

        select = select->parentNode();

    if (!select)

        return 0;

    return static_cast<WMLSelectElement*>(select);

}

void WMLOptionElement::accessKeyAction(bool)

{

    if (WMLSelectElement* select = ownerSelectElement(this))

        select->accessKeySetSelectedIndex(OptionElement::optionIndex(select, this));

}

void WMLOptionElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)

{

    if (WMLSelectElement* select = ownerSelectElement(this))

        select->childrenChanged(changedByParser);

    WMLFormControlElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);

}

void WMLOptionElement::parseMappedAttribute(Attribute* attr)

{

    if (attr->name() == HTMLNames::valueAttr)

        m_data.setValue(parseValueSubstitutingVariableReferences(attr->value()));

    else if (attr->name() == HTMLNames::titleAttr)

        m_data.setLabel(parseValueSubstitutingVariableReferences(attr->value()));

    else if (attr->name() == onpickAttr) {

        // Register intrinsic event in card

        RefPtr<WMLIntrinsicEvent> event = WMLIntrinsicEvent::create(document(), attr->value());

        createEventHandlerIfNeeded();

        eventHandler()->registerIntrinsicEvent(WMLIntrinsicEventOnPick, event);

    } else

        WMLFormControlElement::parseMappedAttribute(attr);

}

void WMLOptionElement::attach()

{

    if (parentNode()->renderStyle())

        setRenderStyle(styleForRenderer());

    WMLFormControlElement::attach();

}

void WMLOptionElement::detach()

{

    m_style.clear();

    WMLFormControlElement::detach();

}

void WMLOptionElement::setRenderStyle(PassRefPtr<RenderStyle> style)

{

    m_style = style;

}

void WMLOptionElement::insertedIntoDocument()

{

    WMLSelectElement* select;

    if (selected() && (select = ownerSelectElement(this)))

        select->scrollToSelection();

    WMLFormControlElement::insertedIntoDocument();

}

bool WMLOptionElement::selected() const

{

    return m_data.selected();

}

void WMLOptionElement::setSelectedState(bool selected)

{

    if (this->selected() == selected)

        return;

    OptionElement::setSelectedState(m_data, this, selected);

    if (WMLSelectElement* select = ownerSelectElement(this)) {

        if (select->multiple() || selected)

            handleIntrinsicEventIfNeeded();

    }

}

String WMLOptionElement::value() const

{

    return OptionElement::collectOptionValue(m_data, this);

}

String WMLOptionElement::text() const

{

    return OptionElement::collectOptionLabelOrText(m_data, this);

}

String WMLOptionElement::textIndentedToRespectGroupLabel() const

{

    return OptionElement::collectOptionTextRespectingGroupLabel(m_data, this);

}

RenderStyle* WMLOptionElement::nonRendererRenderStyle() const

{

    return m_style.get();

}

void WMLOptionElement::handleIntrinsicEventIfNeeded()

{

    WMLSelectElement* select = ownerSelectElement(this);

    if (!select || !select->initialized())

        return;

    WMLIntrinsicEventHandler* eventHandler = this->eventHandler();

    if (!eventHandler)

        return;

    if (eventHandler->hasIntrinsicEvent(WMLIntrinsicEventOnPick))

        eventHandler->triggerIntrinsicEvent(WMLIntrinsicEventOnPick);

}

bool WMLOptionElement::disabled() const

{

    /* Dummy implementation, as disabled() is pure virtual in OptionElement class */

    return false;

}

}

#endif