dom/svg/SVGMarkerElement.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_SVGMarkerElement_h
   8 #define mozilla_dom_SVGMarkerElement_h
   9
  10 #include "DOMSVGAnimatedAngle.h"
  11 #include "DOMSVGAnimatedEnumeration.h"
  12 #include "SVGAnimatedEnumeration.h"
  13 #include "SVGAnimatedLength.h"
  14 #include "SVGAnimatedOrient.h"
  15 #include "SVGAnimatedPreserveAspectRatio.h"
  16 #include "SVGAnimatedViewBox.h"
  17 #include "mozilla/Attributes.h"
  18 #include "mozilla/dom/SVGElement.h"
  19 #include "mozilla/dom/SVGMarkerElementBinding.h"
  20 #include "mozilla/UniquePtr.h"
  21
  22 class nsSVGMarkerFrame;
  23
  24 nsresult NS_NewSVGMarkerElement(
  25     nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  26
  27 namespace mozilla {
  28
  29 struct SVGMark;
  30
  31 namespace dom {
  32
  33 // Non-Exposed Marker Orientation Types
  34 static const uint16_t SVG_MARKER_ORIENT_AUTO_START_REVERSE = 3;
  35
  36 typedef SVGElement SVGMarkerElementBase;
  37
  38 class SVGMarkerElement : public SVGMarkerElementBase {
  39   friend class ::nsSVGMarkerFrame;
  40
  41  protected:
  42   friend nsresult(::NS_NewSVGMarkerElement(
  43       nsIContent** aResult,
  44       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
  45   explicit SVGMarkerElement(
  46       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  47   virtual JSObject* WrapNode(JSContext* cx,
  48                              JS::Handle<JSObject*> aGivenProto) override;
  49
  50  public:
  51   // nsIContent interface
  52   NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* name) const override;
  53
  54   // nsSVGSVGElement methods:
  55   virtual bool HasValidDimensions() const override;
  56
  57   // public helpers
  58   gfx::Matrix GetMarkerTransform(float aStrokeWidth, const SVGMark& aMark);
  59   SVGViewBox GetViewBox();
  60   gfx::Matrix GetViewBoxTransform();
  61
  62   virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  63
  64   // WebIDL
  65   already_AddRefed<SVGAnimatedRect> ViewBox();
  66   already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
  67   already_AddRefed<DOMSVGAnimatedLength> RefX();
  68   already_AddRefed<DOMSVGAnimatedLength> RefY();
  69   already_AddRefed<DOMSVGAnimatedEnumeration> MarkerUnits();
  70   already_AddRefed<DOMSVGAnimatedLength> MarkerWidth();
  71   already_AddRefed<DOMSVGAnimatedLength> MarkerHeight();
  72   already_AddRefed<DOMSVGAnimatedEnumeration> OrientType();
  73   already_AddRefed<DOMSVGAnimatedAngle> OrientAngle();
  74   void SetOrientToAuto();
  75   void SetOrientToAngle(DOMSVGAngle& angle, ErrorResult& rv);
  76
  77  protected:
  78   void SetParentCoordCtxProvider(SVGViewportElement* aContext);
  79
  80   virtual LengthAttributesInfo GetLengthInfo() override;
  81   virtual EnumAttributesInfo GetEnumInfo() override;
  82   virtual SVGAnimatedOrient* GetAnimatedOrient() override;
  83   virtual SVGAnimatedPreserveAspectRatio* GetAnimatedPreserveAspectRatio()
  84       override;
  85   virtual SVGAnimatedViewBox* GetAnimatedViewBox() override;
  86
  87   enum { REFX, REFY, MARKERWIDTH, MARKERHEIGHT };
  88   SVGAnimatedLength mLengthAttributes[4];
  89   static LengthInfo sLengthInfo[4];
  90
  91   enum { MARKERUNITS };
  92   SVGAnimatedEnumeration mEnumAttributes[1];
  93   static SVGEnumMapping sUnitsMap[];
  94   static EnumInfo sEnumInfo[1];
  95
  96   SVGAnimatedOrient mOrient;
  97   SVGAnimatedViewBox mViewBox;
  98   SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
  99
 100   SVGViewportElement* mCoordCtx;
 101   UniquePtr<gfx::Matrix> mViewBoxToViewportTransform;
 102 };
 103
 104 }  // namespace dom
 105 }  // namespace mozilla
 106
 107 #endif  // mozilla_dom_SVGMarkerElement_h