The Tor Browser / file comparison
comparison: layout/svg/nsSVGPathGeometryFrame.h
layout/svg/nsSVGPathGeometryFrame.h
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
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| -1:000000000000 | 0:4b7d6448002f |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef __NS_SVGPATHGEOMETRYFRAME_H__ | |
| 7 #define __NS_SVGPATHGEOMETRYFRAME_H__ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "gfxMatrix.h" | |
| 11 #include "gfxRect.h" | |
| 12 #include "nsFrame.h" | |
| 13 #include "nsISVGChildFrame.h" | |
| 14 #include "nsLiteralString.h" | |
| 15 #include "nsQueryFrame.h" | |
| 16 #include "nsSVGUtils.h" | |
| 17 | |
| 18 class gfxContext; | |
| 19 class nsDisplaySVGPathGeometry; | |
| 20 class nsIAtom; | |
| 21 class nsIFrame; | |
| 22 class nsIPresShell; | |
| 23 class nsRenderingContext; | |
| 24 class nsStyleContext; | |
| 25 class nsSVGMarkerFrame; | |
| 26 class nsSVGMarkerProperty; | |
| 27 | |
| 28 struct nsPoint; | |
| 29 struct nsRect; | |
| 30 struct nsIntRect; | |
| 31 | |
| 32 typedef nsFrame nsSVGPathGeometryFrameBase; | |
| 33 | |
| 34 class nsSVGPathGeometryFrame : public nsSVGPathGeometryFrameBase, | |
| 35 public nsISVGChildFrame | |
| 36 { | |
| 37 friend nsIFrame* | |
| 38 NS_NewSVGPathGeometryFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); | |
| 39 | |
| 40 friend class nsDisplaySVGPathGeometry; | |
| 41 | |
| 42 protected: | |
| 43 nsSVGPathGeometryFrame(nsStyleContext* aContext) | |
| 44 : nsSVGPathGeometryFrameBase(aContext) | |
| 45 { | |
| 46 AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_MAY_BE_TRANSFORMED); | |
| 47 } | |
| 48 | |
| 49 public: | |
| 50 NS_DECL_QUERYFRAME_TARGET(nsSVGPathGeometryFrame) | |
| 51 NS_DECL_QUERYFRAME | |
| 52 NS_DECL_FRAMEARENA_HELPERS | |
| 53 | |
| 54 // nsIFrame interface: | |
| 55 virtual void Init(nsIContent* aContent, | |
| 56 nsIFrame* aParent, | |
| 57 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; | |
| 58 | |
| 59 virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE | |
| 60 { | |
| 61 return nsSVGPathGeometryFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG | nsIFrame::eSVGGeometry)); | |
| 62 } | |
| 63 | |
| 64 virtual nsresult AttributeChanged(int32_t aNameSpaceID, | |
| 65 nsIAtom* aAttribute, | |
| 66 int32_t aModType) MOZ_OVERRIDE; | |
| 67 | |
| 68 virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE; | |
| 69 | |
| 70 /** | |
| 71 * Get the "type" of the frame | |
| 72 * | |
| 73 * @see nsGkAtoms::svgPathGeometryFrame | |
| 74 */ | |
| 75 virtual nsIAtom* GetType() const MOZ_OVERRIDE; | |
| 76 | |
| 77 virtual bool IsSVGTransformed(Matrix *aOwnTransforms = nullptr, | |
| 78 Matrix *aFromParentTransforms = nullptr) const MOZ_OVERRIDE; | |
| 79 | |
| 80 #ifdef DEBUG_FRAME_DUMP | |
| 81 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE | |
| 82 { | |
| 83 return MakeFrameName(NS_LITERAL_STRING("SVGPathGeometry"), aResult); | |
| 84 } | |
| 85 #endif | |
| 86 | |
| 87 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, | |
| 88 const nsRect& aDirtyRect, | |
| 89 const nsDisplayListSet& aLists) MOZ_OVERRIDE; | |
| 90 | |
| 91 // nsSVGPathGeometryFrame methods | |
| 92 gfxMatrix GetCanvasTM(uint32_t aFor, | |
| 93 nsIFrame* aTransformRoot = nullptr); | |
| 94 protected: | |
| 95 // nsISVGChildFrame interface: | |
| 96 virtual nsresult PaintSVG(nsRenderingContext *aContext, | |
| 97 const nsIntRect *aDirtyRect, | |
| 98 nsIFrame* aTransformRoot = nullptr) MOZ_OVERRIDE; | |
| 99 virtual nsIFrame* GetFrameForPoint(const nsPoint &aPoint) MOZ_OVERRIDE; | |
| 100 virtual nsRect GetCoveredRegion() MOZ_OVERRIDE; | |
| 101 virtual void ReflowSVG() MOZ_OVERRIDE; | |
| 102 virtual void NotifySVGChanged(uint32_t aFlags) MOZ_OVERRIDE; | |
| 103 virtual SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace, | |
| 104 uint32_t aFlags) MOZ_OVERRIDE; | |
| 105 virtual bool IsDisplayContainer() MOZ_OVERRIDE { return false; } | |
| 106 | |
| 107 void GeneratePath(gfxContext *aContext, const Matrix &aTransform); | |
| 108 /** | |
| 109 * This function returns a set of bit flags indicating which parts of the | |
| 110 * element (fill, stroke, bounds) should intercept pointer events. It takes | |
| 111 * into account the type of element and the value of the 'pointer-events' | |
| 112 * property on the element. | |
| 113 */ | |
| 114 virtual uint16_t GetHitTestFlags(); | |
| 115 private: | |
| 116 enum { eRenderFill = 1, eRenderStroke = 2 }; | |
| 117 void Render(nsRenderingContext *aContext, uint32_t aRenderComponents, | |
| 118 nsIFrame* aTransformRoot); | |
| 119 void PaintMarkers(nsRenderingContext *aContext); | |
| 120 | |
| 121 struct MarkerProperties { | |
| 122 nsSVGMarkerProperty* mMarkerStart; | |
| 123 nsSVGMarkerProperty* mMarkerMid; | |
| 124 nsSVGMarkerProperty* mMarkerEnd; | |
| 125 | |
| 126 bool MarkersExist() const { | |
| 127 return mMarkerStart || mMarkerMid || mMarkerEnd; | |
| 128 } | |
| 129 | |
| 130 nsSVGMarkerFrame *GetMarkerStartFrame(); | |
| 131 nsSVGMarkerFrame *GetMarkerMidFrame(); | |
| 132 nsSVGMarkerFrame *GetMarkerEndFrame(); | |
| 133 }; | |
| 134 | |
| 135 /** | |
| 136 * @param aFrame should be the first continuation | |
| 137 */ | |
| 138 static MarkerProperties GetMarkerProperties(nsSVGPathGeometryFrame *aFrame); | |
| 139 }; | |
| 140 | |
| 141 #endif // __NS_SVGPATHGEOMETRYFRAME_H__ |
