/* -*- 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 http://mozilla.org/MPL/2.0/. */

#ifndef NSSVGFOREIGNOBJECTFRAME_H__

#define NSSVGFOREIGNOBJECTFRAME_H__

#include "mozilla/Attributes.h"

#include "nsAutoPtr.h"

#include "nsContainerFrame.h"

#include "nsIPresShell.h"

#include "nsSVGDisplayableFrame.h"

#include "nsRegion.h"

#include "nsSVGUtils.h"

class gfxContext;

class nsSVGForeignObjectFrame final : public nsContainerFrame

                                    , public nsSVGDisplayableFrame

{

  friend nsContainerFrame*

  NS_NewSVGForeignObjectFrame(nsIPresShell* aPresShell, ComputedStyle* aStyle);

protected:

  explicit nsSVGForeignObjectFrame(ComputedStyle* aStyle);

public:

  NS_DECL_QUERYFRAME

  NS_DECL_FRAMEARENA_HELPERS(nsSVGForeignObjectFrame)

  // nsIFrame:

  virtual void Init(nsIContent*       aContent,

                    nsContainerFrame* aParent,

                    nsIFrame*         aPrevInFlow) override;

  virtual void DestroyFrom(nsIFrame* aDestructRoot, PostDestroyData& aPostDestroyData) override;

  virtual nsresult  AttributeChanged(int32_t         aNameSpaceID,

                                     nsAtom*        aAttribute,

                                     int32_t         aModType) override;

  virtual nsContainerFrame* GetContentInsertionFrame() override {

    return PrincipalChildList().FirstChild()->GetContentInsertionFrame();

  }

  virtual void Reflow(nsPresContext*           aPresContext,

                      ReflowOutput&     aDesiredSize,

                      const ReflowInput& aReflowInput,

                      nsReflowStatus&          aStatus) override;

  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,

                                const nsDisplayListSet& aLists) override;

  virtual bool IsFrameOfType(uint32_t aFlags) const override

  {

    if (aFlags & eSupportsContainLayoutAndPaint) {

      return false;

    }

    return nsContainerFrame::IsFrameOfType(aFlags &

      ~(nsIFrame::eSVG | nsIFrame::eSVGForeignObject));

  }

  virtual bool IsSVGTransformed(Matrix *aOwnTransform,

                                Matrix *aFromParentTransform) const override;

#ifdef DEBUG_FRAME_DUMP

  virtual nsresult GetFrameName(nsAString& aResult) const override

  {

    return MakeFrameName(NS_LITERAL_STRING("SVGForeignObject"), aResult);

  }

#endif

  // nsSVGDisplayableFrame interface:

  virtual void PaintSVG(gfxContext& aContext,

                        const gfxMatrix& aTransform,

                        imgDrawingParams& aImgParams,

                        const nsIntRect* aDirtyRect = nullptr) override;

  virtual nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;

  virtual void ReflowSVG() override;

  virtual void NotifySVGChanged(uint32_t aFlags) override;

  virtual SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace,

                                      uint32_t aFlags) override;

  virtual bool IsDisplayContainer() override { return true; }

  gfxMatrix GetCanvasTM();

  nsRect GetInvalidRegion();

  // Return our ::-moz-svg-foreign-content anonymous box.

  void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override;

protected:

  // implementation helpers:

  void DoReflow();

  void RequestReflow(nsIPresShell::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; }

  nsAutoPtr<gfxMatrix> mCanvasTM;

  bool mInReflow;

};

#endif