gecko-dev/dom/svg/SVGFEImageElement.h

102 строки
3.7 KiB
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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 mozilla_dom_SVGFEImageElement_h
#define mozilla_dom_SVGFEImageElement_h
#include "nsSVGFilters.h"
#include "SVGAnimatedPreserveAspectRatio.h"
class SVGFEImageFrame;
nsresult NS_NewSVGFEImageElement(nsIContent **aResult,
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
namespace mozilla {
namespace dom {
typedef nsSVGFE SVGFEImageElementBase;
class SVGFEImageElement final : public SVGFEImageElementBase,
public nsImageLoadingContent
{
friend class ::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(nsSVGFilterInstance* aInstance,
const IntRect& aFilterSubregion,
const nsTArray<bool>& aInputsAreTainted,
nsTArray<RefPtr<SourceSurface>>& aInputImages) override;
virtual bool AttributeAffectsRendering(
int32_t aNameSpaceID, nsIAtom* aAttribute) const override;
virtual nsSVGString& GetResultImageName() override { return mStringAttributes[RESULT]; }
virtual bool OutputIsTainted(const nsTArray<bool>& aInputsAreTainted,
nsIPrincipal* aReferencePrincipal) override;
// nsIContent
NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const override;
virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
const nsAttrValue* aValue, bool aNotify) override;
virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers) override;
virtual void UnbindFromTree(bool aDeep, bool aNullParent) override;
virtual EventStates IntrinsicState() const override;
NS_IMETHOD Notify(imgIRequest *aRequest, int32_t aType, const nsIntRect* aData) override;
void MaybeLoadSVGImage();
// WebIDL
already_AddRefed<SVGAnimatedString> Href();
already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
private:
// Invalidate users of the filter containing this element.
void Invalidate();
nsresult LoadSVGImage(bool aForce, bool aNotify);
protected:
virtual bool ProducesSRGB() override { return true; }
virtual SVGAnimatedPreserveAspectRatio *GetPreserveAspectRatio() override;
virtual StringAttributesInfo GetStringInfo() override;
// Override for nsImageLoadingContent.
nsIContent* AsContent() override { return this; }
enum { RESULT, HREF, XLINK_HREF };
nsSVGString mStringAttributes[3];
static StringInfo sStringInfo[3];
SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
};
} // namespace dom
} // namespace mozilla
#endif