dom/svg/DOMSVGAngle.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_DOMSVGANGLE_H_
   8 #define DOM_SVG_DOMSVGANGLE_H_
   9
  10 #include "nsWrapperCache.h"
  11 #include "SVGElement.h"
  12 #include "mozilla/Attributes.h"
  13
  14 namespace mozilla {
  15
  16 class SVGAnimatedOrient;
  17
  18 namespace dom {
  19 class SVGSVGElement;
  20
  21 class DOMSVGAngle final : public nsWrapperCache {
  22  public:
  23   enum class AngleType : int8_t { BaseValue, AnimValue, CreatedValue };
  24
  25   NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(DOMSVGAngle)
  26   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(DOMSVGAngle)
  27
  28   /**
  29    * Generic ctor for DOMSVGAngle objects that are created for an attribute.
  30    */
  31   DOMSVGAngle(SVGAnimatedOrient* aVal, SVGElement* aSVGElement, AngleType aType)
  32       : mVal(aVal), mSVGElement(aSVGElement), mType(aType) {}
  33
  34   /**
  35    * Ctor for creating the objects returned by SVGSVGElement.createSVGAngle(),
  36    * which do not initially belong to an attribute.
  37    */
  38   explicit DOMSVGAngle(SVGSVGElement* aSVGElement);
  39
  40   // WebIDL
  41   SVGElement* GetParentObject() { return mSVGElement; }
  42   JSObject* WrapObject(JSContext* aCx,
  43                        JS::Handle<JSObject*> aGivenProto) override;
  44   uint16_t UnitType() const;
  45   float Value() const;
  46   void GetValueAsString(nsAString& aValue);
  47   void SetValue(float aValue, ErrorResult& rv);
  48   float ValueInSpecifiedUnits() const;
  49   void SetValueInSpecifiedUnits(float aValue, ErrorResult& rv);
  50   void SetValueAsString(const nsAString& aValue, ErrorResult& rv);
  51   void NewValueSpecifiedUnits(uint16_t unitType, float value, ErrorResult& rv);
  52   void ConvertToSpecifiedUnits(uint16_t unitType, ErrorResult& rv);
  53
  54  protected:
  55   ~DOMSVGAngle();
  56
  57   SVGAnimatedOrient* mVal;  // if mType is CreatedValue, we own the angle.
  58                             // Otherwise, the element does.
  59   RefPtr<SVGElement> mSVGElement;
  60   AngleType mType;
  61 };
  62
  63 }  // namespace dom
  64 }  // namespace mozilla
  65
  66 #endif  // DOM_SVG_DOMSVGANGLE_H_