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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#include "mozilla/Attributes.h"
#include "mozilla/ISVGDisplayableFrame.h"
#include "mozilla/PresShellForwards.h"
#include "mozilla/UniquePtr.h"
#include "nsContainerFrame.h"
class gfxContext;
nsContainerFrame* NS_NewSVGForeignObjectFrame(mozilla::PresShell* aPresShell,
mozilla::ComputedStyle* aStyle);
namespace mozilla {
class SVGForeignObjectFrame final : public nsContainerFrame,
public ISVGDisplayableFrame {
friend nsContainerFrame* ::NS_NewSVGForeignObjectFrame(
mozilla::PresShell* aPresShell, ComputedStyle* aStyle);
explicit SVGForeignObjectFrame(ComputedStyle* aStyle,
nsPresContext* aPresContext);
// nsIFrame:
void Init(nsIContent* aContent, nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
int32_t aModType) override;
nsContainerFrame* GetContentInsertionFrame() override {
return PrincipalChildList().FirstChild()->GetContentInsertionFrame();
void Reflow(nsPresContext* aPresContext, ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsDisplayListSet& aLists) override;
bool IsSVGTransformed(Matrix* aOwnTransform,
Matrix* aFromParentTransform) const override;
nsresult GetFrameName(nsAString& aResult) const override {
return MakeFrameName(u"SVGForeignObject"_ns, aResult);
// ISVGDisplayableFrame interface:
void PaintSVG(gfxContext& aContext, const gfxMatrix& aTransform,
imgDrawingParams& aImgParams) override;
nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
void ReflowSVG() override;
void NotifySVGChanged(uint32_t aFlags) override;
SVGBBox GetBBoxContribution(const Matrix& aToBBoxUserspace,
uint32_t aFlags) override;
bool IsDisplayContainer() override { return true; }
gfxMatrix GetCanvasTM();
// Return our ::-moz-svg-foreign-content anonymous box.
void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override;
void DidSetComputedStyle(ComputedStyle* aOldComputedStyle) override;
// implementation helpers:
void DoReflow();
void RequestReflow(IntrinsicDirty aType);
// If width or height is less than or equal to zero we must disable rendering
bool IsDisabled() const { return mRect.width <= 0 || mRect.height <= 0; }
UniquePtr<gfxMatrix> mCanvasTM;
} // namespace mozilla