gecko-dev/dom/svg/SVGFEImageElement.h

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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_SVGFEIMAGEELEMENT_H_
#define DOM_SVG_SVGFEIMAGEELEMENT_H_
#include "mozilla/dom/SVGFilters.h"
#include "SVGAnimatedPreserveAspectRatio.h"
nsresult NS_NewSVGFEImageElement(
nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
namespace mozilla {
class SVGFEImageFrame;
namespace dom {
using SVGFEImageElementBase = SVGFE;
class SVGFEImageElement final : public SVGFEImageElementBase,
public nsImageLoadingContent {
friend class mozilla::SVGFEImageFrame;
protected:
friend nsresult(::NS_NewSVGFEImageElement(
nsIContent** aResult,
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
explicit SVGFEImageElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
virtual ~SVGFEImageElement();
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
public:
virtual bool SubregionIsUnionOfRegions() override { return false; }
// interfaces:
NS_DECL_ISUPPORTS_INHERITED
// EventTarget
virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
virtual FilterPrimitiveDescription GetPrimitiveDescription(
SVGFilterInstance* aInstance, const IntRect& aFilterSubregion,
const nsTArray<bool>& aInputsAreTainted,
nsTArray<RefPtr<SourceSurface>>& aInputImages) override;
virtual bool AttributeAffectsRendering(int32_t aNameSpaceID,
nsAtom* aAttribute) const override;
virtual SVGAnimatedString& GetResultImageName() override {
return mStringAttributes[RESULT];
}
virtual bool OutputIsTainted(const nsTArray<bool>& aInputsAreTainted,
nsIPrincipal* aReferencePrincipal) override;
// nsIContent
NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aSubjectPrincipal,
bool aNotify) override;
virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
virtual void UnbindFromTree(bool aNullParent) override;
virtual EventStates IntrinsicState() const override;
virtual void DestroyContent() override;
NS_DECL_IMGINOTIFICATIONOBSERVER
// Override for nsIImageLoadingContent.
NS_IMETHOD_(void) FrameCreated(nsIFrame* aFrame) override;
void MaybeLoadSVGImage();
// WebIDL
already_AddRefed<DOMSVGAnimatedString> Href();
already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
private:
nsresult LoadSVGImage(bool aForce, bool aNotify);
bool ShouldLoadImage() const;
protected:
virtual bool ProducesSRGB() override { return true; }
virtual SVGAnimatedPreserveAspectRatio* GetAnimatedPreserveAspectRatio()
override;
virtual StringAttributesInfo GetStringInfo() override;
// Override for nsImageLoadingContent.
nsIContent* AsContent() override { return this; }
enum { RESULT, HREF, XLINK_HREF };
SVGAnimatedString mStringAttributes[3];
static StringInfo sStringInfo[3];
SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
uint16_t mImageAnimationMode;
};
} // namespace dom
} // namespace mozilla
#endif // DOM_SVG_SVGFEIMAGEELEMENT_H_