/**

 * This file is part of the HTML widget for KDE.

 *

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

 * Copyright (C) 2003, 2006 Apple Computer, Inc.

 *

 * 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"

#include "RenderApplet.h"

#include "Document.h"

#include "Frame.h"

#include "FrameLoader.h"

#include "HTMLAppletElement.h"

#include "HTMLNames.h"

#include "HTMLParamElement.h"

#include "Widget.h"

namespace WebCore {

using namespace HTMLNames;

RenderApplet::RenderApplet(HTMLAppletElement* applet, const HashMap<String, String>& args)

    : RenderWidget(applet)

    , m_args(args)

{

    setInline(true);

}

RenderApplet::~RenderApplet()

{

}

IntSize RenderApplet::intrinsicSize() const

{

    // FIXME: This doesn't make sense. We can't just start returning

    // a different size once we've created the widget and expect

    // layout and sizing to be correct. We should remove this and

    // pass the appropriate intrinsic size in the constructor.

    return m_widget ? IntSize(50, 50) : IntSize(150, 150);

}

void RenderApplet::createWidgetIfNecessary()

{

    HTMLAppletElement* element = static_cast<HTMLAppletElement*>(node());

    if (m_widget)

        return;

    if (!element->allParamsAvailable())

        return;

    // FIXME: Java applets can't be resized (this is a bug in Apple's Java implementation).

    // In order to work around this problem and have a correct size from the start, we will

    // use fixed widths/heights from the style system when we can, since the widget might

    // not have an accurate m_width/m_height.

    int width = style()->width().isFixed() ? style()->width().value() : 

        m_width - borderLeft() - borderRight() - paddingLeft() - paddingRight();

    int height = style()->height().isFixed() ? style()->height().value() :

        m_height - borderTop() - borderBottom() - paddingTop() - paddingBottom();

    for (Node* child = element->firstChild(); child; child = child->nextSibling()) {

        if (child->hasTagName(paramTag)) {

            HTMLParamElement* p = static_cast<HTMLParamElement*>(child);

            if (!p->name().isEmpty())

                m_args.set(p->name(), p->value());

        }

    }

    Frame* frame = document()->frame();

    ASSERT(frame);

    setWidget(frame->loader()->createJavaAppletWidget(IntSize(width, height), element, m_args));

}

void RenderApplet::layout()

{

    ASSERT(needsLayout());

    calcWidth();

    calcHeight();

    // The applet's widget gets created lazily upon first layout.

    createWidgetIfNecessary();

    setNeedsLayout(false);

}

} // namespace WebCore