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