dom/svg/SVGMPathElement.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_SVGMPATHELEMENT_H_
   8 #define DOM_SVG_SVGMPATHELEMENT_H_
   9
  10 #include "mozilla/dom/SVGElement.h"
  11 #include "SVGAnimatedString.h"
  12
  13 nsresult NS_NewSVGMPathElement(
  14     nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  15
  16 namespace mozilla::dom {
  17 class SVGGeometryElement;
  18
  19 using SVGMPathElementBase = SVGElement;
  20
  21 class SVGMPathElement final : public SVGMPathElementBase {
  22  protected:
  23   friend nsresult(::NS_NewSVGMPathElement(
  24       nsIContent** aResult,
  25       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
  26   explicit SVGMPathElement(
  27       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  28   ~SVGMPathElement() = default;
  29
  30   JSObject* WrapNode(JSContext* aCx,
  31                      JS::Handle<JSObject*> aGivenProto) override;
  32
  33  public:
  34   // interfaces:
  35   NS_DECL_ISUPPORTS_INHERITED
  36
  37   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGMPathElement, SVGMPathElementBase)
  38
  39   // nsIContent interface
  40   nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  41   void UnbindFromTree(UnbindContext&) override;
  42   void AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
  43                     const nsAttrValue* aValue, const nsAttrValue* aOldValue,
  44                     nsIPrincipal* aMaybeScriptedPrincipal,
  45                     bool aNotify) override;
  46
  47   // Public helper method: If our xlink:href attribute links to a Shape
  48   // element, this method returns a pointer to that element. Otherwise,
  49   // this returns nullptr.
  50   SVGGeometryElement* GetReferencedPath();
  51
  52   // WebIDL
  53   already_AddRefed<DOMSVGAnimatedString> Href();
  54
  55   void HrefAsString(nsAString& aHref);
  56
  57   void NotifyParentOfMpathChange();
  58
  59   RefPtr<nsISupports> mMPathObserver;
  60
  61  protected:
  62   StringAttributesInfo GetStringInfo() override;
  63
  64   enum { HREF, XLINK_HREF };
  65   SVGAnimatedString mStringAttributes[2];
  66   static StringInfo sStringInfo[2];
  67 };
  68
  69 }  // namespace mozilla::dom
  70
  71 #endif  // DOM_SVG_SVGMPATHELEMENT_H_