layout/svg/nsSVGInnerSVGFrame.h
author Emilio Cobos Álvarez <emilio@crisal.io>
Sun, 30 Apr 2017 17:30:08 +0200
changeset 355830 662df8ef329fd7a38fb2ceb24e305cd31e7bcaa7
parent 350083 87c961bde81eacc13beb8d3883fc02e5ce4bd939
child 356045 fbc54f707dc421f8132340e45fa2719dbdc9621b
permissions -rw-r--r--
Bug 1360241: Devirtualize nsIFrame::GetType. r=heycam MozReview-Commit-ID: 5Nzhyta5Hle

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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_SVGINNERSVGFRAME_H__
#define __NS_SVGINNERSVGFRAME_H__

#include "mozilla/Attributes.h"
#include "nsAutoPtr.h"
#include "nsSVGContainerFrame.h"
#include "nsISVGSVGFrame.h"

class gfxContext;

class nsSVGInnerSVGFrame final
  : public nsSVGDisplayContainerFrame
  , public nsISVGSVGFrame
{
  friend nsIFrame*
  NS_NewSVGInnerSVGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
  explicit nsSVGInnerSVGFrame(nsStyleContext* aContext)
    : nsSVGDisplayContainerFrame(aContext, mozilla::FrameType::SVGInnerSVG)
  {
  }

public:
  NS_DECL_QUERYFRAME_TARGET(nsSVGInnerSVGFrame)
  NS_DECL_QUERYFRAME
  NS_DECL_FRAMEARENA_HELPERS

#ifdef DEBUG
  virtual void Init(nsIContent*       aContent,
                    nsContainerFrame* aParent,
                    nsIFrame*         aPrevInFlow) override;
#endif

#ifdef DEBUG_FRAME_DUMP
  virtual nsresult GetFrameName(nsAString& aResult) const override
  {
    return MakeFrameName(NS_LITERAL_STRING("SVGInnerSVG"), aResult);
  }
#endif

  virtual nsresult  AttributeChanged(int32_t         aNameSpaceID,
                                     nsIAtom*        aAttribute,
                                     int32_t         aModType) override;

  // nsSVGDisplayableFrame interface:
  virtual DrawResult PaintSVG(gfxContext& aContext,
                              const gfxMatrix& aTransform,
                              const nsIntRect *aDirtyRect = nullptr,
                              uint32_t aFlags = 0) 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 gfxMatrix GetCanvasTM() override;

  virtual bool HasChildrenOnlyTransform(Matrix *aTransform) const override;

  // nsISVGSVGFrame interface:
  virtual void NotifyViewportOrTransformChanged(uint32_t aFlags) override;

protected:

  nsAutoPtr<gfxMatrix> mCanvasTM;
};

#endif