mirror of
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109 lines
3.5 KiB
C++
109 lines
3.5 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 nsIFrame*
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NS_NewSVGForeignObjectFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
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protected:
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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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NS_IMETHOD Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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virtual void DestroyFrom(nsIFrame* aDestructRoot);
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NS_IMETHOD AttributeChanged(int32_t aNameSpaceID,
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nsIAtom* aAttribute,
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int32_t aModType);
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virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE;
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virtual nsIFrame* GetContentInsertionFrame() {
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return GetFirstPrincipalChild()->GetContentInsertionFrame();
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}
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NS_IMETHOD Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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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;
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virtual bool IsFrameOfType(uint32_t aFlags) const
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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(gfxMatrix *aOwnTransform,
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gfxMatrix *aFromParentTransform) const;
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const
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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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NS_IMETHOD PaintSVG(nsRenderingContext *aContext,
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const nsIntRect *aDirtyRect);
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NS_IMETHOD_(nsIFrame*) GetFrameForPoint(const nsPoint &aPoint) MOZ_OVERRIDE;
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NS_IMETHOD_(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 gfxMatrix &aToBBoxUserspace,
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uint32_t aFlags) MOZ_OVERRIDE;
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NS_IMETHOD_(bool) IsDisplayContainer() MOZ_OVERRIDE { return true; }
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gfxMatrix GetCanvasTM(uint32_t aFor);
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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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