/*
 * Copyright (C) 2012 Google 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 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 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.
 */

#include "config.h"
#include "HTMLDialogElement.h"

#if ENABLE(DIALOG_ELEMENT)

#include "ExceptionCode.h"
#include "RenderDialog.h"

namespace WebCore {

using namespace HTMLNames;

HTMLDialogElement::HTMLDialogElement(const QualifiedName& tagName, Document* document)
    : HTMLElement(tagName, document)
{
    ASSERT(hasTagName(dialogTag));
}

PassRefPtr<HTMLDialogElement> HTMLDialogElement::create(const QualifiedName& tagName, Document* document)
{
    return adoptRef(new HTMLDialogElement(tagName, document));
}

void HTMLDialogElement::close(ExceptionCode& ec)
{
    if (!hasAttributeWithoutSynchronization(openAttr)) {
        ec = INVALID_STATE_ERR;
        return;
    }
    setBooleanAttribute(openAttr, false);
    document()->removeFromTopLayer(this);
}

void HTMLDialogElement::show()
{
    if (hasAttributeWithoutSynchronization(openAttr))
        return;
    setBooleanAttribute(openAttr, true);
}

void HTMLDialogElement::showModal(ExceptionCode& ec)
{
    if (hasAttributeWithoutSynchronization(openAttr) || !inDocument()) {
        ec = INVALID_STATE_ERR;
        return;
    }
    setBooleanAttribute(openAttr, true);
    document()->addToTopLayer(this);
}

bool HTMLDialogElement::isPresentationAttribute(const QualifiedName& name) const
{
    // FIXME: Workaround for <https://bugs.webkit.org/show_bug.cgi?id=91058>: modifying an attribute for which there is an attribute selector
    // in html.css sometimes does not trigger a style recalc.
    if (name == openAttr)
        return true;

    return HTMLElement::isPresentationAttribute(name);
}

RenderElement* HTMLDialogElement::createElementRenderer(PassRefPtr<RenderStyle> style, const RenderTreePosition&)
{
    return new RenderDialog(*this, style);
}

}

#endif
