gecko-dev/layout/svg/nsSVGViewportFrame.h

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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/. */
#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(nsStyleContext* aContext, nsIFrame::ClassID aID)
: nsSVGDisplayContainerFrame(aContext, aID)
{
}
public:
NS_DECL_ABSTRACT_FRAME(nsSVGViewportFrame)
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* 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 gfxMatrix GetCanvasTM() override;
virtual bool HasChildrenOnlyTransform(Matrix *aTransform) const override;
// nsISVGSVGFrame interface:
virtual void NotifyViewportOrTransformChanged(uint32_t aFlags) override;
protected:
nsAutoPtr<gfxMatrix> mCanvasTM;
};
#endif // __NS_SVGVIEWPORTFRAME_H__