зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
3.7 KiB
C++
108 строки
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef NSSVGFOREIGNOBJECTFRAME_H__
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#define NSSVGFOREIGNOBJECTFRAME_H__
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#include "mozilla/Attributes.h"
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#include "nsContainerFrame.h"
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#include "nsIPresShell.h"
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#include "nsISVGChildFrame.h"
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#include "nsRegion.h"
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#include "nsSVGUtils.h"
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class nsRenderingContext;
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class nsSVGOuterSVGFrame;
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typedef nsContainerFrame nsSVGForeignObjectFrameBase;
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class nsSVGForeignObjectFrame : public nsSVGForeignObjectFrameBase,
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public nsISVGChildFrame
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{
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friend nsContainerFrame*
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NS_NewSVGForeignObjectFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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protected:
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explicit nsSVGForeignObjectFrame(nsStyleContext* aContext);
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS
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// nsIFrame:
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virtual void Init(nsIContent* aContent,
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nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
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virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
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virtual nsresult AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType) MOZ_OVERRIDE;
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virtual nsContainerFrame* GetContentInsertionFrame() MOZ_OVERRIDE {
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return GetFirstPrincipalChild()->GetContentInsertionFrame();
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}
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virtual void Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus) MOZ_OVERRIDE;
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virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists) MOZ_OVERRIDE;
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/**
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* Get the "type" of the frame
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*
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* @see nsGkAtoms::svgForeignObjectFrame
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*/
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virtual nsIAtom* GetType() const MOZ_OVERRIDE;
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virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
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{
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return nsSVGForeignObjectFrameBase::IsFrameOfType(aFlags &
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~(nsIFrame::eSVG | nsIFrame::eSVGForeignObject));
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}
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virtual bool IsSVGTransformed(Matrix *aOwnTransform,
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Matrix *aFromParentTransform) const MOZ_OVERRIDE;
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#ifdef DEBUG_FRAME_DUMP
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virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE
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{
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return MakeFrameName(NS_LITERAL_STRING("SVGForeignObject"), aResult);
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}
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#endif
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// nsISVGChildFrame interface:
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virtual nsresult PaintSVG(nsRenderingContext *aContext,
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const gfxMatrix& aTransform,
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const nsIntRect* aDirtyRect = nullptr) MOZ_OVERRIDE;
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virtual nsIFrame* GetFrameForPoint(const gfxPoint& aPoint) MOZ_OVERRIDE;
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virtual nsRect GetCoveredRegion() MOZ_OVERRIDE;
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virtual void ReflowSVG() MOZ_OVERRIDE;
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virtual void NotifySVGChanged(uint32_t aFlags) MOZ_OVERRIDE;
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virtual SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace,
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uint32_t aFlags) MOZ_OVERRIDE;
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virtual bool IsDisplayContainer() MOZ_OVERRIDE { return true; }
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gfxMatrix GetCanvasTM();
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nsRect GetInvalidRegion();
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protected:
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// implementation helpers:
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void DoReflow();
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void RequestReflow(nsIPresShell::IntrinsicDirty aType);
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// If width or height is less than or equal to zero we must disable rendering
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bool IsDisabled() const { return mRect.width <= 0 || mRect.height <= 0; }
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nsAutoPtr<gfxMatrix> mCanvasTM;
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bool mInReflow;
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};
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#endif
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