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 __NS_SVGPATHGEOMETRYFRAME_H__
michael@0: #define __NS_SVGPATHGEOMETRYFRAME_H__
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "gfxMatrix.h"
michael@0: #include "gfxRect.h"
michael@0: #include "nsFrame.h"
michael@0: #include "nsISVGChildFrame.h"
michael@0: #include "nsLiteralString.h"
michael@0: #include "nsQueryFrame.h"
michael@0: #include "nsSVGUtils.h"
michael@0: 
michael@0: class gfxContext;
michael@0: class nsDisplaySVGPathGeometry;
michael@0: class nsIAtom;
michael@0: class nsIFrame;
michael@0: class nsIPresShell;
michael@0: class nsRenderingContext;
michael@0: class nsStyleContext;
michael@0: class nsSVGMarkerFrame;
michael@0: class nsSVGMarkerProperty;
michael@0: 
michael@0: struct nsPoint;
michael@0: struct nsRect;
michael@0: struct nsIntRect;
michael@0: 
michael@0: typedef nsFrame nsSVGPathGeometryFrameBase;
michael@0: 
michael@0: class nsSVGPathGeometryFrame : public nsSVGPathGeometryFrameBase,
michael@0:                                public nsISVGChildFrame
michael@0: {
michael@0:   friend nsIFrame*
michael@0:   NS_NewSVGPathGeometryFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
michael@0: 
michael@0:   friend class nsDisplaySVGPathGeometry;
michael@0: 
michael@0: protected:
michael@0:   nsSVGPathGeometryFrame(nsStyleContext* aContext)
michael@0:     : nsSVGPathGeometryFrameBase(aContext)
michael@0:   {
michael@0:      AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_MAY_BE_TRANSFORMED);
michael@0:   }
michael@0: 
michael@0: public:
michael@0:   NS_DECL_QUERYFRAME_TARGET(nsSVGPathGeometryFrame)
michael@0:   NS_DECL_QUERYFRAME
michael@0:   NS_DECL_FRAMEARENA_HELPERS
michael@0: 
michael@0:   // nsIFrame interface:
michael@0:   virtual void Init(nsIContent* aContent,
michael@0:                     nsIFrame* aParent,
michael@0:                     nsIFrame* aPrevInFlow) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
michael@0:   {
michael@0:     return nsSVGPathGeometryFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG | nsIFrame::eSVGGeometry));
michael@0:   }
michael@0: 
michael@0:   virtual nsresult  AttributeChanged(int32_t         aNameSpaceID,
michael@0:                                      nsIAtom*        aAttribute,
michael@0:                                      int32_t         aModType) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE;
michael@0: 
michael@0:   /**
michael@0:    * Get the "type" of the frame
michael@0:    *
michael@0:    * @see nsGkAtoms::svgPathGeometryFrame
michael@0:    */
michael@0:   virtual nsIAtom* GetType() const MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual bool IsSVGTransformed(Matrix *aOwnTransforms = nullptr,
michael@0:                                 Matrix *aFromParentTransforms = nullptr) 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("SVGPathGeometry"), aResult);
michael@0:   }
michael@0: #endif
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:   // nsSVGPathGeometryFrame methods
michael@0:   gfxMatrix GetCanvasTM(uint32_t aFor,
michael@0:                         nsIFrame* aTransformRoot = nullptr);
michael@0: protected:
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 false; }
michael@0: 
michael@0:   void GeneratePath(gfxContext *aContext, const Matrix &aTransform);
michael@0:   /**
michael@0:    * This function returns a set of bit flags indicating which parts of the
michael@0:    * element (fill, stroke, bounds) should intercept pointer events. It takes
michael@0:    * into account the type of element and the value of the 'pointer-events'
michael@0:    * property on the element.
michael@0:    */
michael@0:   virtual uint16_t GetHitTestFlags();
michael@0: private:
michael@0:   enum { eRenderFill = 1, eRenderStroke = 2 };
michael@0:   void Render(nsRenderingContext *aContext, uint32_t aRenderComponents,
michael@0:               nsIFrame* aTransformRoot);
michael@0:   void PaintMarkers(nsRenderingContext *aContext);
michael@0: 
michael@0:   struct MarkerProperties {
michael@0:     nsSVGMarkerProperty* mMarkerStart;
michael@0:     nsSVGMarkerProperty* mMarkerMid;
michael@0:     nsSVGMarkerProperty* mMarkerEnd;
michael@0: 
michael@0:     bool MarkersExist() const {
michael@0:       return mMarkerStart || mMarkerMid || mMarkerEnd;
michael@0:     }
michael@0: 
michael@0:     nsSVGMarkerFrame *GetMarkerStartFrame();
michael@0:     nsSVGMarkerFrame *GetMarkerMidFrame();
michael@0:     nsSVGMarkerFrame *GetMarkerEndFrame();
michael@0:   };
michael@0: 
michael@0:   /**
michael@0:    * @param aFrame should be the first continuation
michael@0:    */
michael@0:   static MarkerProperties GetMarkerProperties(nsSVGPathGeometryFrame *aFrame);
michael@0: };
michael@0: 
michael@0: #endif // __NS_SVGPATHGEOMETRYFRAME_H__