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Implementation

Mercurial (5b81998bb7ab)

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/* -*- 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/. */

#include "nsSVGContainerFrame.h"
#include "nsISVGSVGFrame.h"
#include "gfxMatrix.h"

class nsRenderingContext;

typedef nsSVGDisplayContainerFrame nsSVGInnerSVGFrameBase;

class nsSVGInnerSVGFrame : public nsSVGInnerSVGFrameBase,
                           public nsISVGSVGFrame
{
  friend nsIFrame*
  NS_NewSVGInnerSVGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
  nsSVGInnerSVGFrame(nsStyleContext* aContext) :
    nsSVGInnerSVGFrameBase(aContext) {}
  
public:
  NS_DECL_QUERYFRAME_TARGET(nsSVGInnerSVGFrame)
  NS_DECL_QUERYFRAME
  NS_DECL_FRAMEARENA_HELPERS

#ifdef DEBUG
  NS_IMETHOD Init(nsIContent*      aContent,
                  nsIFrame*        aParent,
                  nsIFrame*        aPrevInFlow);
#endif

  /**
   * Get the "type" of the frame
   *
   * @see nsGkAtoms::svgInnerSVGFrame
   */
  virtual nsIAtom* GetType() const;

#ifdef DEBUG
  NS_IMETHOD GetFrameName(nsAString& aResult) const
  {
    return MakeFrameName(NS_LITERAL_STRING("SVGInnerSVG"), aResult);
  }
#endif

  NS_IMETHOD  AttributeChanged(int32_t         aNameSpaceID,
                               nsIAtom*        aAttribute,
                               int32_t         aModType);

  // nsISVGChildFrame interface:
  NS_IMETHOD PaintSVG(nsRenderingContext *aContext, const nsIntRect *aDirtyRect);
  virtual void ReflowSVG();
  virtual void NotifySVGChanged(uint32_t aFlags);
  NS_IMETHOD_(nsIFrame*) GetFrameForPoint(const nsPoint &aPoint);

  // nsSVGContainerFrame methods:
  virtual gfxMatrix GetCanvasTM(uint32_t aFor);

  virtual bool HasChildrenOnlyTransform(gfxMatrix *aTransform) const;

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

protected:

  nsAutoPtr<gfxMatrix> mCanvasTM;
};