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       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_SVGImageElement_h
       8             : #define mozilla_dom_SVGImageElement_h
       9             : 
      10             : #include "nsImageLoadingContent.h"
      11             : #include "nsSVGLength2.h"
      12             : #include "nsSVGString.h"
      13             : #include "SVGGeometryElement.h"
      14             : #include "SVGAnimatedPreserveAspectRatio.h"
      15             : 
      16             : nsresult NS_NewSVGImageElement(nsIContent **aResult,
      17             :                                already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
      18             : 
      19             : class nsSVGImageFrame;
      20             : 
      21             : namespace mozilla {
      22             : namespace dom {
      23             : class DOMSVGAnimatedPreserveAspectRatio;
      24             : 
      25             : typedef SVGGeometryElement SVGImageElementBase;
      26             : 
      27             : class SVGImageElement : public SVGImageElementBase,
      28             :                         public nsImageLoadingContent
      29             : {
      30             :   friend class ::nsSVGImageFrame;
      31             : 
      32             : protected:
      33             :   explicit SVGImageElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
      34             :   virtual ~SVGImageElement();
      35             :   virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
      36             :   friend nsresult (::NS_NewSVGImageElement(nsIContent **aResult,
      37             :                                            already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
      38             : 
      39             : public:
      40             :   // interfaces:
      41             : 
      42             :   NS_DECL_ISUPPORTS_INHERITED
      43             : 
      44             :   // EventTarget
      45             :   virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
      46             : 
      47             :   // nsIContent interface
      48             :   virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
      49             :                                 const nsAttrValue* aValue,
      50             :                                 const nsAttrValue* aOldValue,
      51             :                                 bool aNotify) override;
      52             :   virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
      53             :                               nsIContent* aBindingParent,
      54             :                               bool aCompileEventHandlers) override;
      55             :   virtual void UnbindFromTree(bool aDeep, bool aNullParent) override;
      56             : 
      57             :   virtual EventStates IntrinsicState() const override;
      58             : 
      59             :   NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* name) const override;
      60             : 
      61             :   // SVGGeometryElement methods:
      62             :   virtual bool GetGeometryBounds(Rect* aBounds, const StrokeOptions& aStrokeOptions,
      63             :                                  const Matrix& aToBoundsSpace,
      64             :                                  const Matrix* aToNonScalingStrokeSpace = nullptr) override;
      65             :   virtual already_AddRefed<Path> BuildPath(PathBuilder* aBuilder) override;
      66             : 
      67             :   // nsSVGSVGElement methods:
      68             :   virtual bool HasValidDimensions() const override;
      69             : 
      70             :   virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
      71             :                          bool aPreallocateChildren) const override;
      72             : 
      73             :   nsresult CopyInnerTo(mozilla::dom::Element* aDest, bool aPreallocateChildren);
      74             : 
      75             :   void MaybeLoadSVGImage();
      76             : 
      77             :   // WebIDL
      78             :   already_AddRefed<SVGAnimatedLength> X();
      79             :   already_AddRefed<SVGAnimatedLength> Y();
      80             :   already_AddRefed<SVGAnimatedLength> Width();
      81             :   already_AddRefed<SVGAnimatedLength> Height();
      82             :   already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
      83             :   already_AddRefed<SVGAnimatedString> Href();
      84             : 
      85             : protected:
      86             :   nsresult LoadSVGImage(bool aForce, bool aNotify);
      87             : 
      88             :   virtual LengthAttributesInfo GetLengthInfo() override;
      89             :   virtual SVGAnimatedPreserveAspectRatio *GetPreserveAspectRatio() override;
      90             :   virtual StringAttributesInfo GetStringInfo() override;
      91             : 
      92             :   // Override for nsImageLoadingContent.
      93           0 :   nsIContent* AsContent() override { return this; }
      94             : 
      95             :   enum { ATTR_X, ATTR_Y, ATTR_WIDTH, ATTR_HEIGHT };
      96             :   nsSVGLength2 mLengthAttributes[4];
      97             :   static LengthInfo sLengthInfo[4];
      98             : 
      99             :   SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
     100             : 
     101             :   enum { HREF, XLINK_HREF };
     102             :   nsSVGString mStringAttributes[2];
     103             :   static StringInfo sStringInfo[2];
     104             : };
     105             : 
     106             : } // namespace dom
     107             : } // namespace mozilla
     108             : 
     109             : #endif // mozilla_dom_SVGImageElement_h