/* -*- 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 __NS_SVGVIEWPORTFRAME_H__

#define __NS_SVGVIEWPORTFRAME_H__

#include "mozilla/Attributes.h"

#include "nsAutoPtr.h"

#include "nsSVGContainerFrame.h"

#include "nsISVGSVGFrame.h"

class gfxContext;

/**

 * Superclass for inner SVG frames and symbol frames.

 */

class nsSVGViewportFrame

  : public nsSVGDisplayContainerFrame

  , public nsISVGSVGFrame

{

protected:

  nsSVGViewportFrame(ComputedStyle* aStyle, nsIFrame::ClassID aID)

    : nsSVGDisplayContainerFrame(aStyle, aID)

  {

  }

public:

  NS_DECL_ABSTRACT_FRAME(nsSVGViewportFrame)

  virtual nsresult  AttributeChanged(int32_t         aNameSpaceID,

                                     nsAtom*        aAttribute,

                                     int32_t         aModType) override;

  // nsSVGDisplayableFrame interface:

  virtual void PaintSVG(gfxContext& aContext,

                        const gfxMatrix& aTransform,

                        imgDrawingParams& aImgParams,

                        const nsIntRect* aDirtyRect = nullptr) override;

  virtual void ReflowSVG() override;

  virtual void NotifySVGChanged(uint32_t aFlags) override;

  SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace,

                              uint32_t aFlags) override;

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

  // nsSVGContainerFrame methods:

  virtual bool HasChildrenOnlyTransform(Matrix *aTransform) const override;

  // nsISVGSVGFrame interface:

  virtual void NotifyViewportOrTransformChanged(uint32_t aFlags) override;

};

#endif // __NS_SVGVIEWPORTFRAME_H__