layout/svg/nsSVGPathGeometryFrame.h@97036ab72558 (annotated)
layout/svg/nsSVGPathGeometryFrame.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef __NS_SVGPATHGEOMETRYFRAME_H__ |
| michael@0 | 7 | #define __NS_SVGPATHGEOMETRYFRAME_H__ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "mozilla/Attributes.h" |
| michael@0 | 10 | #include "gfxMatrix.h" |
| michael@0 | 11 | #include "gfxRect.h" |
| michael@0 | 12 | #include "nsFrame.h" |
| michael@0 | 13 | #include "nsISVGChildFrame.h" |
| michael@0 | 14 | #include "nsLiteralString.h" |
| michael@0 | 15 | #include "nsQueryFrame.h" |
| michael@0 | 16 | #include "nsSVGUtils.h" |
| michael@0 | 17 | |
| michael@0 | 18 | class gfxContext; |
| michael@0 | 19 | class nsDisplaySVGPathGeometry; |
| michael@0 | 20 | class nsIAtom; |
| michael@0 | 21 | class nsIFrame; |
| michael@0 | 22 | class nsIPresShell; |
| michael@0 | 23 | class nsRenderingContext; |
| michael@0 | 24 | class nsStyleContext; |
| michael@0 | 25 | class nsSVGMarkerFrame; |
| michael@0 | 26 | class nsSVGMarkerProperty; |
| michael@0 | 27 | |
| michael@0 | 28 | struct nsPoint; |
| michael@0 | 29 | struct nsRect; |
| michael@0 | 30 | struct nsIntRect; |
| michael@0 | 31 | |
| michael@0 | 32 | typedef nsFrame nsSVGPathGeometryFrameBase; |
| michael@0 | 33 | |
| michael@0 | 34 | class nsSVGPathGeometryFrame : public nsSVGPathGeometryFrameBase, |
| michael@0 | 35 | public nsISVGChildFrame |
| michael@0 | 36 | { |
| michael@0 | 37 | friend nsIFrame* |
| michael@0 | 38 | NS_NewSVGPathGeometryFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); |
| michael@0 | 39 | |
| michael@0 | 40 | friend class nsDisplaySVGPathGeometry; |
| michael@0 | 41 | |
| michael@0 | 42 | protected: |
| michael@0 | 43 | nsSVGPathGeometryFrame(nsStyleContext* aContext) |
| michael@0 | 44 | : nsSVGPathGeometryFrameBase(aContext) |
| michael@0 | 45 | { |
| michael@0 | 46 | AddStateBits(NS_FRAME_SVG_LAYOUT | NS_FRAME_MAY_BE_TRANSFORMED); |
| michael@0 | 47 | } |
| michael@0 | 48 | |
| michael@0 | 49 | public: |
| michael@0 | 50 | NS_DECL_QUERYFRAME_TARGET(nsSVGPathGeometryFrame) |
| michael@0 | 51 | NS_DECL_QUERYFRAME |
| michael@0 | 52 | NS_DECL_FRAMEARENA_HELPERS |
| michael@0 | 53 | |
| michael@0 | 54 | // nsIFrame interface: |
| michael@0 | 55 | virtual void Init(nsIContent* aContent, |
| michael@0 | 56 | nsIFrame* aParent, |
| michael@0 | 57 | nsIFrame* aPrevInFlow) MOZ_OVERRIDE; |
| michael@0 | 58 | |
| michael@0 | 59 | virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE |
| michael@0 | 60 | { |
| michael@0 | 61 | return nsSVGPathGeometryFrameBase::IsFrameOfType(aFlags & ~(nsIFrame::eSVG | nsIFrame::eSVGGeometry)); |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | virtual nsresult AttributeChanged(int32_t aNameSpaceID, |
| michael@0 | 65 | nsIAtom* aAttribute, |
| michael@0 | 66 | int32_t aModType) MOZ_OVERRIDE; |
| michael@0 | 67 | |
| michael@0 | 68 | virtual void DidSetStyleContext(nsStyleContext* aOldStyleContext) MOZ_OVERRIDE; |
| michael@0 | 69 | |
| michael@0 | 70 | /** |
| michael@0 | 71 | * Get the "type" of the frame |
| michael@0 | 72 | * |
| michael@0 | 73 | * @see nsGkAtoms::svgPathGeometryFrame |
| michael@0 | 74 | */ |
| michael@0 | 75 | virtual nsIAtom* GetType() const MOZ_OVERRIDE; |
| michael@0 | 76 | |
| michael@0 | 77 | virtual bool IsSVGTransformed(Matrix *aOwnTransforms = nullptr, |
| michael@0 | 78 | Matrix *aFromParentTransforms = nullptr) const MOZ_OVERRIDE; |
| michael@0 | 79 | |
| michael@0 | 80 | #ifdef DEBUG_FRAME_DUMP |
| michael@0 | 81 | virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE |
| michael@0 | 82 | { |
| michael@0 | 83 | return MakeFrameName(NS_LITERAL_STRING("SVGPathGeometry"), aResult); |
| michael@0 | 84 | } |
| michael@0 | 85 | #endif |
| michael@0 | 86 | |
| michael@0 | 87 | virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, |
| michael@0 | 88 | const nsRect& aDirtyRect, |
| michael@0 | 89 | const nsDisplayListSet& aLists) MOZ_OVERRIDE; |
| michael@0 | 90 | |
| michael@0 | 91 | // nsSVGPathGeometryFrame methods |
| michael@0 | 92 | gfxMatrix GetCanvasTM(uint32_t aFor, |
| michael@0 | 93 | nsIFrame* aTransformRoot = nullptr); |
| michael@0 | 94 | protected: |
| michael@0 | 95 | // nsISVGChildFrame interface: |
| michael@0 | 96 | virtual nsresult PaintSVG(nsRenderingContext *aContext, |
| michael@0 | 97 | const nsIntRect *aDirtyRect, |
| michael@0 | 98 | nsIFrame* aTransformRoot = nullptr) MOZ_OVERRIDE; |
| michael@0 | 99 | virtual nsIFrame* GetFrameForPoint(const nsPoint &aPoint) MOZ_OVERRIDE; |
| michael@0 | 100 | virtual nsRect GetCoveredRegion() MOZ_OVERRIDE; |
| michael@0 | 101 | virtual void ReflowSVG() MOZ_OVERRIDE; |
| michael@0 | 102 | virtual void NotifySVGChanged(uint32_t aFlags) MOZ_OVERRIDE; |
| michael@0 | 103 | virtual SVGBBox GetBBoxContribution(const Matrix &aToBBoxUserspace, |
| michael@0 | 104 | uint32_t aFlags) MOZ_OVERRIDE; |
| michael@0 | 105 | virtual bool IsDisplayContainer() MOZ_OVERRIDE { return false; } |
| michael@0 | 106 | |
| michael@0 | 107 | void GeneratePath(gfxContext *aContext, const Matrix &aTransform); |
| michael@0 | 108 | /** |
| michael@0 | 109 | * This function returns a set of bit flags indicating which parts of the |
| michael@0 | 110 | * element (fill, stroke, bounds) should intercept pointer events. It takes |
| michael@0 | 111 | * into account the type of element and the value of the 'pointer-events' |
| michael@0 | 112 | * property on the element. |
| michael@0 | 113 | */ |
| michael@0 | 114 | virtual uint16_t GetHitTestFlags(); |
| michael@0 | 115 | private: |
| michael@0 | 116 | enum { eRenderFill = 1, eRenderStroke = 2 }; |
| michael@0 | 117 | void Render(nsRenderingContext *aContext, uint32_t aRenderComponents, |
| michael@0 | 118 | nsIFrame* aTransformRoot); |
| michael@0 | 119 | void PaintMarkers(nsRenderingContext *aContext); |
| michael@0 | 120 | |
| michael@0 | 121 | struct MarkerProperties { |
| michael@0 | 122 | nsSVGMarkerProperty* mMarkerStart; |
| michael@0 | 123 | nsSVGMarkerProperty* mMarkerMid; |
| michael@0 | 124 | nsSVGMarkerProperty* mMarkerEnd; |
| michael@0 | 125 | |
| michael@0 | 126 | bool MarkersExist() const { |
| michael@0 | 127 | return mMarkerStart || mMarkerMid || mMarkerEnd; |
| michael@0 | 128 | } |
| michael@0 | 129 | |
| michael@0 | 130 | nsSVGMarkerFrame *GetMarkerStartFrame(); |
| michael@0 | 131 | nsSVGMarkerFrame *GetMarkerMidFrame(); |
| michael@0 | 132 | nsSVGMarkerFrame *GetMarkerEndFrame(); |
| michael@0 | 133 | }; |
| michael@0 | 134 | |
| michael@0 | 135 | /** |
| michael@0 | 136 | * @param aFrame should be the first continuation |
| michael@0 | 137 | */ |
| michael@0 | 138 | static MarkerProperties GetMarkerProperties(nsSVGPathGeometryFrame *aFrame); |
| michael@0 | 139 | }; |
| michael@0 | 140 | |
| michael@0 | 141 | #endif // __NS_SVGPATHGEOMETRYFRAME_H__ |
