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824d0cad58
In order to tailor certain security checks to the caller that is attempting to load a particular piece of content, we need to be able to attach an appropriate triggering principal to the corresponding requests. Since most HTML content is loaded based on attribute values, this means capturing the subject principal of the caller who sets those attributes, which in turn means we need to make it available to `AfterSetAttr` hooks on all relevant element types.
105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_SVGImageElement_h
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#define mozilla_dom_SVGImageElement_h
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#include "nsImageLoadingContent.h"
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#include "nsSVGLength2.h"
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#include "nsSVGString.h"
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#include "SVGGeometryElement.h"
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#include "SVGAnimatedPreserveAspectRatio.h"
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nsresult NS_NewSVGImageElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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class nsSVGImageFrame;
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namespace mozilla {
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namespace dom {
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class DOMSVGAnimatedPreserveAspectRatio;
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typedef SVGGeometryElement SVGImageElementBase;
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class SVGImageElement : public SVGImageElementBase,
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public nsImageLoadingContent
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{
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friend class ::nsSVGImageFrame;
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protected:
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explicit SVGImageElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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virtual ~SVGImageElement();
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virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
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friend nsresult (::NS_NewSVGImageElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
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public:
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// interfaces:
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NS_DECL_ISUPPORTS_INHERITED
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// EventTarget
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virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
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// nsIContent interface
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virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
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const nsAttrValue* aValue,
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const nsAttrValue* aOldValue,
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nsIPrincipal* aSubjectPrincipal,
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bool aNotify) override;
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virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers) override;
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virtual void UnbindFromTree(bool aDeep, bool aNullParent) override;
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virtual EventStates IntrinsicState() const override;
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NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* name) const override;
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// SVGGeometryElement methods:
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virtual bool GetGeometryBounds(Rect* aBounds, const StrokeOptions& aStrokeOptions,
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const Matrix& aToBoundsSpace,
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const Matrix* aToNonScalingStrokeSpace = nullptr) override;
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virtual already_AddRefed<Path> BuildPath(PathBuilder* aBuilder) override;
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// nsSVGSVGElement methods:
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virtual bool HasValidDimensions() const override;
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;
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nsresult CopyInnerTo(mozilla::dom::Element* aDest);
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void MaybeLoadSVGImage();
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// WebIDL
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already_AddRefed<SVGAnimatedLength> X();
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already_AddRefed<SVGAnimatedLength> Y();
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already_AddRefed<SVGAnimatedLength> Width();
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already_AddRefed<SVGAnimatedLength> Height();
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already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
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already_AddRefed<SVGAnimatedString> Href();
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protected:
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nsresult LoadSVGImage(bool aForce, bool aNotify);
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virtual LengthAttributesInfo GetLengthInfo() override;
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virtual SVGAnimatedPreserveAspectRatio *GetPreserveAspectRatio() override;
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virtual StringAttributesInfo GetStringInfo() override;
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enum { ATTR_X, ATTR_Y, ATTR_WIDTH, ATTR_HEIGHT };
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nsSVGLength2 mLengthAttributes[4];
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static LengthInfo sLengthInfo[4];
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SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
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enum { HREF, XLINK_HREF };
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nsSVGString mStringAttributes[2];
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static StringInfo sStringInfo[2];
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_SVGImageElement_h
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