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/*
* Copyright (C) 2006 Apple Inc.
* Copyright (C) 2009 Google, Inc.
* 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.
*/
#pragma once
#if ENABLE(LAYER_BASED_SVG_ENGINE)
#include "AffineTransform.h"
#include "FloatPoint.h"
#include "FloatRect.h"
#include "RenderSVGBlock.h"
#include "SVGBoundingBoxComputation.h"
namespace WebCore {
class SVGForeignObjectElement;
class RenderSVGForeignObject final : public RenderSVGBlock {
WTF_MAKE_ISO_ALLOCATED(RenderSVGForeignObject);
public:
RenderSVGForeignObject(SVGForeignObjectElement&, RenderStyle&&);
virtual ~RenderSVGForeignObject();
SVGForeignObjectElement& foreignObjectElement() const;
void paint(PaintInfo&, const LayoutPoint&) override;
void layout() override;
FloatRect objectBoundingBox() const final { return m_viewport; }
FloatRect strokeBoundingBox() const final { return m_viewport; }
FloatRect repaintRectInLocalCoordinates() const final { return SVGBoundingBoxComputation::computeRepaintBoundingBox(*this); }
private:
bool isSVGForeignObject() const override { return true; }
void graphicsElement() const = delete;
ASCIILiteral renderName() const override { return "RenderSVGForeignObject"_s; }
LayoutPoint paintingLocation() const { return toLayoutPoint(location() - flooredLayoutPoint(m_viewport.minXMinYCorner())); }
void updateLogicalWidth() override;
LogicalExtentComputedValues computeLogicalHeight(LayoutUnit logicalHeight, LayoutUnit logicalTop) const override;
LayoutRect overflowClipRect(const LayoutPoint& location, RenderFragmentContainer* = nullptr, OverlayScrollbarSizeRelevancy = IgnoreOverlayScrollbarSize, PaintPhase = PaintPhase::BlockBackground) const final;
void updateFromStyle() final;
// Enforce <fO> to carry a transform: <fO> should behave as absolutely positioned container
// for CSS content. Thus it needs to become a rootPaintingLayer during paint() such that
// fixed position content uses the <fO> as ancestor layer (when computing offsets from the container).
bool needsHasSVGTransformFlags() const final { return true; }
void applyTransform(TransformationMatrix&, const RenderStyle&, const FloatRect& boundingBox, OptionSet<RenderStyle::TransformOperationOption>) const final;
FloatRect m_viewport;
AffineTransform m_supplementalLayerTransform;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderSVGForeignObject, isSVGForeignObject())
#endif // ENABLE(LAYER_BASED_SVG_ENGINE)
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