/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_SVGImageElement_h

#define mozilla_dom_SVGImageElement_h

#include "nsImageLoadingContent.h"

#include "nsSVGLength2.h"

#include "nsSVGString.h"

#include "SVGGeometryElement.h"

#include "SVGAnimatedPreserveAspectRatio.h"

nsresult NS_NewSVGImageElement(nsIContent **aResult,

                               already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);

class nsSVGImageFrame;

namespace mozilla {

namespace dom {

class DOMSVGAnimatedPreserveAspectRatio;

typedef SVGGeometryElement SVGImageElementBase;

class SVGImageElement : public SVGImageElementBase,

                        public nsImageLoadingContent

{

  friend class ::nsSVGImageFrame;

protected:

  explicit SVGImageElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);

  virtual ~SVGImageElement();

  virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;

  friend nsresult (::NS_NewSVGImageElement(nsIContent **aResult,

                                           already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));

public:

  // interfaces:

  NS_DECL_ISUPPORTS_INHERITED

  // EventTarget

  virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;

  // nsIContent interface

  bool ParseAttribute(int32_t aNamespaceID,

                      nsAtom* aAttribute,

                      const nsAString& aValue,

                      nsIPrincipal* aMaybeScriptedPrincipal,

                      nsAttrValue& aResult) override;

  virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,

                                const nsAttrValue* aValue,

                                const nsAttrValue* aOldValue,

                                nsIPrincipal* aSubjectPrincipal,

                                bool aNotify) override;

  virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,

                              nsIContent* aBindingParent) override;

  virtual void UnbindFromTree(bool aDeep, bool aNullParent) override;

  virtual EventStates IntrinsicState() const override;

  NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* name) const override;

  // SVGGeometryElement methods:

  virtual bool GetGeometryBounds(Rect* aBounds, const StrokeOptions& aStrokeOptions,

                                 const Matrix& aToBoundsSpace,

                                 const Matrix* aToNonScalingStrokeSpace = nullptr) override;

  virtual already_AddRefed<Path> BuildPath(PathBuilder* aBuilder) override;

  // nsSVGSVGElement methods:

  virtual bool HasValidDimensions() const override;

  virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;

  nsresult CopyInnerTo(mozilla::dom::Element* aDest);

  void MaybeLoadSVGImage();

  // WebIDL

  already_AddRefed<SVGAnimatedLength> X();

  already_AddRefed<SVGAnimatedLength> Y();

  already_AddRefed<SVGAnimatedLength> Width();

  already_AddRefed<SVGAnimatedLength> Height();

  already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();

  already_AddRefed<SVGAnimatedString> Href();

  void SetDecoding(const nsAString& aDecoding, ErrorResult& aError)

  {

    SetAttr(nsGkAtoms::decoding, aDecoding, aError);

  }

  void GetDecoding(nsAString& aValue);

protected:

  nsresult LoadSVGImage(bool aForce, bool aNotify);

  virtual LengthAttributesInfo GetLengthInfo() override;

  virtual SVGAnimatedPreserveAspectRatio *GetPreserveAspectRatio() override;

  virtual StringAttributesInfo GetStringInfo() override;

  // Override for nsImageLoadingContent.

  nsIContent* AsContent() override { return this; }

  enum { ATTR_X, ATTR_Y, ATTR_WIDTH, ATTR_HEIGHT };

  nsSVGLength2 mLengthAttributes[4];

  static LengthInfo sLengthInfo[4];

  SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;

  enum { HREF, XLINK_HREF };

  nsSVGString mStringAttributes[2];

  static StringInfo sStringInfo[2];

};

} // namespace dom

} // namespace mozilla

#endif // mozilla_dom_SVGImageElement_h