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/* -*- 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 DOM_SVG_SVGIMAGEELEMENT_H_
#define DOM_SVG_SVGIMAGEELEMENT_H_
#include "nsImageLoadingContent.h"
#include "SVGAnimatedLength.h"
#include "SVGAnimatedString.h"
#include "SVGGeometryElement.h"
#include "SVGAnimatedPreserveAspectRatio.h"
nsresult NS_NewSVGImageElement(
nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
namespace mozilla {
class SVGImageFrame;
namespace dom {
class DOMSVGAnimatedPreserveAspectRatio;
using SVGImageElementBase = SVGGeometryElement;
class SVGImageElement : public SVGImageElementBase,
public nsImageLoadingContent {
friend class mozilla::SVGImageFrame;
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;
bool IsNodeOfType(uint32_t aFlags) const override {
// <image> is not really a SVGGeometryElement, we should
// ignore eSHAPE flag accepted by SVGGeometryElement.
return !(aFlags & ~eUSE_TARGET);
}
virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
virtual void UnbindFromTree(bool aNullParent) override;
virtual EventStates IntrinsicState() const override;
virtual void DestroyContent() 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;
// SVGSVGElement methods:
virtual bool HasValidDimensions() const override;
virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
void MaybeLoadSVGImage();
// WebIDL
already_AddRefed<DOMSVGAnimatedLength> X();
already_AddRefed<DOMSVGAnimatedLength> Y();
already_AddRefed<DOMSVGAnimatedLength> Width();
already_AddRefed<DOMSVGAnimatedLength> Height();
already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
already_AddRefed<DOMSVGAnimatedString> Href();
void SetDecoding(const nsAString& aDecoding, ErrorResult& aError) {
SetAttr(nsGkAtoms::decoding, aDecoding, aError);
}
void GetDecoding(nsAString& aValue);
already_AddRefed<Promise> Decode(ErrorResult& aRv);
static nsCSSPropertyID GetCSSPropertyIdForAttrEnum(uint8_t aAttrEnum);
protected:
nsresult LoadSVGImage(bool aForce, bool aNotify);
bool ShouldLoadImage() const;
virtual LengthAttributesInfo GetLengthInfo() override;
virtual SVGAnimatedPreserveAspectRatio* GetAnimatedPreserveAspectRatio()
override;
virtual StringAttributesInfo GetStringInfo() override;
// Override for nsImageLoadingContent.
nsIContent* AsContent() override { return this; }
enum { ATTR_X, ATTR_Y, ATTR_WIDTH, ATTR_HEIGHT };
SVGAnimatedLength mLengthAttributes[4];
static LengthInfo sLengthInfo[4];
SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
enum { HREF, XLINK_HREF };
SVGAnimatedString mStringAttributes[2];
static StringInfo sStringInfo[2];
};
} // namespace dom
} // namespace mozilla
#endif // DOM_SVG_SVGIMAGEELEMENT_H_
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