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 DOM_SVG_SVGMARKERELEMENT_H_
   8 #define DOM_SVG_SVGMARKERELEMENT_H_
   9
  10 #include "SVGAnimatedEnumeration.h"
  11 #include "SVGAnimatedLength.h"
  12 #include "SVGAnimatedOrient.h"
  13 #include "SVGAnimatedPreserveAspectRatio.h"
  14 #include "SVGAnimatedViewBox.h"
  15 #include "mozilla/Attributes.h"
  16 #include "mozilla/dom/SVGElement.h"
  17 #include "mozilla/dom/SVGMarkerElementBinding.h"
  18 #include "mozilla/UniquePtr.h"
  19
  20 nsresult NS_NewSVGMarkerElement(
  21     nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  22
  23 namespace mozilla {
  24
  25 struct SVGMark;
  26 class SVGMarkerFrame;
  27
  28 namespace dom {
  29
  30 class DOMSVGAnimatedAngle;
  31 class DOMSVGAnimatedEnumeration;
  32
  33 using SVGMarkerElementBase = SVGElement;
  34
  35 class SVGMarkerElement final : public SVGMarkerElementBase {
  36   friend class mozilla::SVGMarkerFrame;
  37
  38  protected:
  39   friend nsresult(::NS_NewSVGMarkerElement(
  40       nsIContent** aResult,
  41       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
  42   explicit SVGMarkerElement(
  43       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  44   JSObject* WrapNode(JSContext* cx, JS::Handle<JSObject*> aGivenProto) override;
  45
  46  public:
  47   // SVGSVGElement methods:
  48   bool HasValidDimensions() const override;
  49
  50   // public helpers
  51   gfx::Matrix GetMarkerTransform(float aStrokeWidth, const SVGMark& aMark);
  52   SVGViewBox GetViewBox();
  53   gfx::Matrix GetViewBoxTransform();
  54
  55   nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  56
  57   // WebIDL
  58   already_AddRefed<SVGAnimatedRect> ViewBox();
  59   already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
  60   already_AddRefed<DOMSVGAnimatedLength> RefX();
  61   already_AddRefed<DOMSVGAnimatedLength> RefY();
  62   already_AddRefed<DOMSVGAnimatedEnumeration> MarkerUnits();
  63   already_AddRefed<DOMSVGAnimatedLength> MarkerWidth();
  64   already_AddRefed<DOMSVGAnimatedLength> MarkerHeight();
  65   already_AddRefed<DOMSVGAnimatedEnumeration> OrientType();
  66   already_AddRefed<DOMSVGAnimatedAngle> OrientAngle();
  67   void SetOrientToAuto();
  68   void SetOrientToAngle(DOMSVGAngle& aAngle);
  69
  70  protected:
  71   void SetParentCoordCtxProvider(SVGViewportElement* aContext);
  72
  73   LengthAttributesInfo GetLengthInfo() override;
  74   EnumAttributesInfo GetEnumInfo() override;
  75   SVGAnimatedOrient* GetAnimatedOrient() override;
  76   SVGAnimatedPreserveAspectRatio* GetAnimatedPreserveAspectRatio() override;
  77   SVGAnimatedViewBox* GetAnimatedViewBox() override;
  78
  79   enum { REFX, REFY, MARKERWIDTH, MARKERHEIGHT };
  80   SVGAnimatedLength mLengthAttributes[4];
  81   static LengthInfo sLengthInfo[4];
  82
  83   enum { MARKERUNITS };
  84   SVGAnimatedEnumeration mEnumAttributes[1];
  85   static SVGEnumMapping sUnitsMap[];
  86   static EnumInfo sEnumInfo[1];
  87
  88   SVGAnimatedOrient mOrient;
  89   SVGAnimatedViewBox mViewBox;
  90   SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
  91
  92   SVGViewportElement* mCoordCtx;
  93   UniquePtr<gfx::Matrix> mViewBoxToViewportTransform;
  94 };
  95
  96 }  // namespace dom
  97 }  // namespace mozilla
  98
  99 #endif  // DOM_SVG_SVGMARKERELEMENT_H_