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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 NSSVGFOREIGNOBJECTFRAME_H__
#define NSSVGFOREIGNOBJECTFRAME_H__
#include "mozilla/Attributes.h"
#include "nsAutoPtr.h"
#include "nsContainerFrame.h"
#include "nsIPresShell.h"
#include "nsISVGChildFrame.h"
#include "nsRegion.h"
#include "nsSVGUtils.h"
class gfxContext;
class nsSVGForeignObjectFrame : public nsContainerFrame
, public nsISVGChildFrame
{
friend nsContainerFrame*
NS_NewSVGForeignObjectFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
protected:
explicit nsSVGForeignObjectFrame(nsStyleContext* aContext);
public:
NS_DECL_QUERYFRAME
NS_DECL_FRAMEARENA_HELPERS
// nsIFrame:
virtual void Init(nsIContent* aContent,
nsContainerFrame* aParent,
nsIFrame* aPrevInFlow) override;
virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
virtual nsresult AttributeChanged(int32_t aNameSpaceID,
nsIAtom* aAttribute,
int32_t aModType) override;
virtual nsContainerFrame* GetContentInsertionFrame() override {
return PrincipalChildList().FirstChild()->GetContentInsertionFrame();
}
virtual void Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists) override;
/**
* Get the "type" of the frame
*
* @see nsGkAtoms::svgForeignObjectFrame
*/
virtual nsIAtom* GetType() const override;
virtual bool IsFrameOfType(uint32_t aFlags) const override
{
return nsContainerFrame::IsFrameOfType(aFlags &
~(nsIFrame::eSVG | nsIFrame::eSVGForeignObject));
}
virtual bool IsSVGTransformed(Matrix *aOwnTransform,
Matrix *aFromParentTransform) const override;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override
{
return MakeFrameName(NS_LITERAL_STRING("SVGForeignObject"), aResult);
}
#endif
// nsISVGChildFrame interface:
virtual DrawResult PaintSVG(gfxContext& aContext,
const gfxMatrix& aTransform,
const nsIntRect* aDirtyRect = nullptr) override;
virtual nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) override;
virtual nsRect GetCoveredRegion() override;
virtual void ReflowSVG() override;
virtual void NotifySVGChanged(uint32_t aFlags) override;
virtual SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace,
uint32_t aFlags) override;
virtual bool IsDisplayContainer() override { return true; }
gfxMatrix GetCanvasTM();
nsRect GetInvalidRegion();
protected:
// implementation helpers:
void DoReflow();
void RequestReflow(nsIPresShell::IntrinsicDirty aType);
// If width or height is less than or equal to zero we must disable rendering
bool IsDisabled() const { return mRect.width <= 0 || mRect.height <= 0; }
nsAutoPtr<gfxMatrix> mCanvasTM;
bool mInReflow;
};
#endif
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