gecko-dev/layout/svg/nsSVGInnerSVGFrame.h

78 строки
2.3 KiB
C++

/* -*- 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 : public nsSVGDisplayContainerFrame
, public nsISVGSVGFrame
{
friend nsIFrame*
NS_NewSVGInnerSVGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
explicit nsSVGInnerSVGFrame(nsStyleContext* aContext)
: nsSVGDisplayContainerFrame(aContext) {}
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
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::svgInnerSVGFrame
*/
virtual nsIAtom* GetType() const override;
#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;
// nsISVGChildFrame interface:
virtual DrawResult PaintSVG(gfxContext& aContext,
const gfxMatrix& aTransform,
const nsIntRect *aDirtyRect = nullptr) override;
virtual nsRect GetCoveredRegion() override;
virtual void ReflowSVG() override;
virtual void NotifySVGChanged(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