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/*
* Copyright (C) 2006 Apple Inc.
* Copyright (C) 2009 Google, Inc.
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
* Copyright (C) 2020, 2021, 2022 Igalia S.L.
*
* 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 "RenderSVGForeignObject.h"
#include "GraphicsContext.h"
#include "HitTestResult.h"
#include "LayoutRepainter.h"
#include "RenderBoxModelObjectInlines.h"
#include "RenderLayer.h"
#include "RenderObject.h"
#include "RenderSVGBlockInlines.h"
#include "RenderView.h"
#include "SVGElementTypeHelpers.h"
#include "SVGForeignObjectElement.h"
#include "SVGRenderSupport.h"
#include "TransformState.h"
#include <wtf/StackStats.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(RenderSVGForeignObject);
RenderSVGForeignObject::RenderSVGForeignObject(SVGForeignObjectElement& element, RenderStyle&& style)
: RenderSVGBlock(Type::SVGForeignObject, element, WTFMove(style))
{
ASSERT(isRenderSVGForeignObject());
}
RenderSVGForeignObject::~RenderSVGForeignObject() = default;
SVGForeignObjectElement& RenderSVGForeignObject::foreignObjectElement() const
{
return downcast<SVGForeignObjectElement>(RenderSVGBlock::graphicsElement());
}
Ref<SVGForeignObjectElement> RenderSVGForeignObject::protectedForeignObjectElement() const
{
return foreignObjectElement();
}
void RenderSVGForeignObject::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
{
if (!shouldPaintSVGRenderer(paintInfo))
return;
if (paintInfo.phase == PaintPhase::ClippingMask) {
paintSVGClippingMask(paintInfo, objectBoundingBox());
return;
}
auto adjustedPaintOffset = paintOffset + location();
if (paintInfo.phase == PaintPhase::Mask) {
paintSVGMask(paintInfo, adjustedPaintOffset);
return;
}
GraphicsContextStateSaver stateSaver(paintInfo.context());
paintInfo.context().translate(adjustedPaintOffset.x(), adjustedPaintOffset.y());
RenderSVGBlock::paint(paintInfo, paintOffset);
}
void RenderSVGForeignObject::updateLogicalWidth()
{
setWidth(enclosingLayoutRect(m_viewport).width());
}
RenderBox::LogicalExtentComputedValues RenderSVGForeignObject::computeLogicalHeight(LayoutUnit, LayoutUnit logicalTop) const
{
return { enclosingLayoutRect(m_viewport).height(), logicalTop, ComputedMarginValues() };
}
void RenderSVGForeignObject::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
ASSERT(needsLayout());
LayoutRepainter repainter(*this);
Ref useForeignObjectElement = foreignObjectElement();
SVGLengthContext lengthContext(useForeignObjectElement.ptr());
// Cache viewport boundaries
auto x = useForeignObjectElement->x().value(lengthContext);
auto y = useForeignObjectElement->y().value(lengthContext);
auto width = useForeignObjectElement->width().value(lengthContext);
auto height = useForeignObjectElement->height().value(lengthContext);
m_viewport = { x, y, width, height };
RenderSVGBlock::layout();
ASSERT(!needsLayout());
setLocation(enclosingLayoutRect(m_viewport).location());
updateLayerTransform();
repainter.repaintAfterLayout();
}
LayoutRect RenderSVGForeignObject::overflowClipRect(const LayoutPoint& location, OverlayScrollbarSizeRelevancy, PaintPhase) const
{
return enclosingLayoutRect(LayoutRect { location, m_viewport.size() });
}
void RenderSVGForeignObject::updateFromStyle()
{
RenderSVGBlock::updateFromStyle();
if (SVGRenderSupport::isOverflowHidden(*this))
setHasNonVisibleOverflow();
}
void RenderSVGForeignObject::applyTransform(TransformationMatrix& transform, const RenderStyle& style, const FloatRect& boundingBox, OptionSet<RenderStyle::TransformOperationOption> options) const
{
applySVGTransform(transform, protectedForeignObjectElement(), style, boundingBox, std::nullopt, std::nullopt, options);
}
}
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