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132 lines
4.4 KiB
C++
132 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 DOM_SVG_SVGIMAGEELEMENT_H_
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#define DOM_SVG_SVGIMAGEELEMENT_H_
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#include "nsImageLoadingContent.h"
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#include "SVGAnimatedLength.h"
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#include "SVGAnimatedString.h"
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#include "SVGGeometryElement.h"
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#include "SVGAnimatedPreserveAspectRatio.h"
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nsresult NS_NewSVGImageElement(
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nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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namespace mozilla {
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class SVGImageFrame;
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namespace dom {
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class DOMSVGAnimatedPreserveAspectRatio;
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using SVGImageElementBase = SVGGeometryElement;
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class SVGImageElement : public SVGImageElementBase,
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public nsImageLoadingContent {
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friend class mozilla::SVGImageFrame;
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protected:
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explicit SVGImageElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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virtual ~SVGImageElement();
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virtual JSObject* WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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friend nsresult(::NS_NewSVGImageElement(
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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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bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
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const nsAString& aValue,
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nsIPrincipal* aMaybeScriptedPrincipal,
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nsAttrValue& aResult) override;
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virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* 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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bool IsNodeOfType(uint32_t aFlags) const override {
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// <image> is not really a SVGGeometryElement, we should
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// ignore eSHAPE flag accepted by SVGGeometryElement.
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return !(aFlags & ~eUSE_TARGET);
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}
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virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
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virtual void UnbindFromTree(bool aNullParent) override;
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virtual EventStates IntrinsicState() const override;
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virtual void DestroyContent() override;
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NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* name) const override;
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// SVGGeometryElement methods:
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virtual bool GetGeometryBounds(
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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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// SVGSVGElement methods:
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virtual bool HasValidDimensions() const override;
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virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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void MaybeLoadSVGImage();
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// WebIDL
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already_AddRefed<DOMSVGAnimatedLength> X();
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already_AddRefed<DOMSVGAnimatedLength> Y();
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already_AddRefed<DOMSVGAnimatedLength> Width();
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already_AddRefed<DOMSVGAnimatedLength> Height();
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already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
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already_AddRefed<DOMSVGAnimatedString> Href();
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void SetDecoding(const nsAString& aDecoding, ErrorResult& aError) {
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SetAttr(nsGkAtoms::decoding, aDecoding, aError);
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}
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void GetDecoding(nsAString& aValue);
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already_AddRefed<Promise> Decode(ErrorResult& aRv);
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static nsCSSPropertyID GetCSSPropertyIdForAttrEnum(uint8_t aAttrEnum);
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protected:
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nsresult LoadSVGImage(bool aForce, bool aNotify);
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bool ShouldLoadImage() const;
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virtual LengthAttributesInfo GetLengthInfo() override;
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virtual SVGAnimatedPreserveAspectRatio* GetAnimatedPreserveAspectRatio()
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override;
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virtual StringAttributesInfo GetStringInfo() override;
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// Override for nsImageLoadingContent.
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nsIContent* AsContent() override { return this; }
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enum { ATTR_X, ATTR_Y, ATTR_WIDTH, ATTR_HEIGHT };
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SVGAnimatedLength 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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SVGAnimatedString 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 // DOM_SVG_SVGIMAGEELEMENT_H_
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