/*
 * Copyright (c) 2009, 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:
 * 
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER OR 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"

#if ENABLE(SVG)
#include "RenderSVGModelObject.h"

#include "RenderSVGResource.h"
#include "SVGStyledElement.h"

namespace WebCore {

RenderSVGModelObject::RenderSVGModelObject(SVGStyledElement* node)
    : RenderObject(node)
{
}

IntRect RenderSVGModelObject::clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer)
{
    return SVGRenderSupport::clippedOverflowRectForRepaint(this, repaintContainer);
}

void RenderSVGModelObject::computeRectForRepaint(RenderBoxModelObject* repaintContainer, IntRect& repaintRect, bool fixed)
{
    SVGRenderSupport::computeRectForRepaint(this, repaintContainer, repaintRect, fixed);
}

void RenderSVGModelObject::mapLocalToContainer(RenderBoxModelObject* repaintContainer, bool fixed , bool useTransforms, TransformState& transformState) const
{
    SVGRenderSupport::mapLocalToContainer(this, repaintContainer, fixed, useTransforms, transformState);
}

// Copied from RenderBox, this method likely requires further refactoring to work easily for both SVG and CSS Box Model content.
// FIXME: This may also need to move into SVGRenderSupport as the RenderBox version depends
// on borderBoundingBox() which SVG RenderBox subclases (like SVGRenderBlock) do not implement.
IntRect RenderSVGModelObject::outlineBoundsForRepaint(RenderBoxModelObject* repaintContainer, IntPoint*) const
{
    IntRect box = enclosingIntRect(repaintRectInLocalCoordinates());
    adjustRectForOutlineAndShadow(box);

    FloatQuad containerRelativeQuad = localToContainerQuad(FloatRect(box), repaintContainer);
    return containerRelativeQuad.enclosingBoundingBox();
}

void RenderSVGModelObject::absoluteRects(Vector<LayoutRect>&, const LayoutPoint&)
{
    // This code path should never be taken for SVG, as we're assuming useTransforms=true everywhere, absoluteQuads should be used.
    ASSERT_NOT_REACHED();
}

void RenderSVGModelObject::absoluteQuads(Vector<FloatQuad>& quads)
{
    quads.append(localToAbsoluteQuad(strokeBoundingBox()));
}

void RenderSVGModelObject::willBeDestroyed()
{
    SVGResourcesCache::clientDestroyed(this);
    RenderObject::willBeDestroyed();
}

void RenderSVGModelObject::styleWillChange(StyleDifference diff, const RenderStyle* newStyle)
{
    if (diff == StyleDifferenceLayout)
        setNeedsBoundariesUpdate();
    RenderObject::styleWillChange(diff, newStyle);
}

void RenderSVGModelObject::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
    RenderObject::styleDidChange(diff, oldStyle);
    SVGResourcesCache::clientStyleChanged(this, diff, style());
}

void RenderSVGModelObject::updateFromElement()
{
    RenderObject::updateFromElement();
    SVGResourcesCache::clientUpdatedFromElement(this, style());
}

bool RenderSVGModelObject::nodeAtPoint(const HitTestRequest&, HitTestResult&, const LayoutPoint&, const LayoutPoint&, HitTestAction)
{
    ASSERT_NOT_REACHED();
    return false;
}

} // namespace WebCore

#endif // ENABLE(SVG)
