/*

 * Copyright (C) 2006 Apple Computer, Inc.

 * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>

 * Copyright (C) Research In Motion Limited 2010. All rights reserved.

 *

 * 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(SVG)

#include "RenderSVGBlock.h"

#include "SVGElement.h"

namespace WebCore {

RenderSVGBlock::RenderSVGBlock(SVGElement* node) 

    : RenderBlock(node)

{

}

void RenderSVGBlock::setStyle(PassRefPtr<RenderStyle> style) 

{

    RefPtr<RenderStyle> useStyle = style;

    // SVG text layout code expects us to be a block-level style element.   

    if (useStyle->isDisplayInlineType()) {

        RefPtr<RenderStyle> newStyle = RenderStyle::create();

        newStyle->inheritFrom(useStyle.get());

        newStyle->setDisplay(BLOCK);

        useStyle = newStyle.release();

    }

    RenderBlock::setStyle(useStyle.release());

}

void RenderSVGBlock::updateBoxModelInfoFromStyle()

{

    RenderBlock::updateBoxModelInfoFromStyle();

    // RenderSVGlock, used by Render(SVGText|ForeignObject), is not allowed to call setHasOverflowClip(true).

    // RenderBlock assumes a layer to be present when the overflow clip functionality is requested. Both

    // Render(SVGText|ForeignObject) return 'false' on 'requiresLayer'. Fine for RenderSVGText.

    //

    // If we want to support overflow rules for <foreignObject> we can choose between two solutions:

    // a) make RenderForeignObject require layers and SVG layer aware

    // b) reactor overflow logic out of RenderLayer (as suggested by dhyatt), which is a large task

    //

    // Until this is resolved, disable overflow support. Opera/FF don't support it as well at the moment (Feb 2010).

    //

    // Note: This does NOT affect overflow handling on outer/inner <svg> elements - this is handled

    // manually by RenderSVGRoot - which owns the documents enclosing root layer and thus works fine.

    setHasOverflowClip(false);

}

void RenderSVGBlock::absoluteRects(Vector<IntRect>&, int, int)

{

    // This code path should never be taken for SVG, as we're assuming useTransforms=true everywhere, absoluteQuads should be used.

    ASSERT_NOT_REACHED();

}

}

#endif