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7fdb378650
Currently, attribute and child arrays (implemented in dom/base/nsAttrAndChildArray.h) start out empty. When cloning, the array ends up being resized multiple times in order to add the attributes and children that are being cloned from the original node. This would be quicker if the array was initialized to the correct size in the first place so that resizes are not necessary. However, preallocating space for children is only necessary when performing a deep clone. Therefore, an additional parameter is being added to the Clone, CopyInnerTo, and CloneDocHelper methods to indicate whether preallocation of children should happen. Attributes are copied either way, so that part of the array is preallocated in both cases. MozReview-Commit-ID: 3iVezeAKXnI --HG-- extra : rebase_source : 9c3deec6d7aafd6411044d623d4863637b45fd58
101 lines
3.4 KiB
C++
101 lines
3.4 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 mozilla_dom_SVGPatternElement_h
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#define mozilla_dom_SVGPatternElement_h
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#include "nsAutoPtr.h"
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#include "nsSVGEnum.h"
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#include "nsSVGLength2.h"
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#include "nsSVGString.h"
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#include "nsSVGElement.h"
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#include "nsSVGViewBox.h"
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#include "SVGAnimatedPreserveAspectRatio.h"
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#include "nsSVGAnimatedTransformList.h"
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class nsSVGPatternFrame;
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nsresult NS_NewSVGPatternElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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namespace mozilla {
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namespace dom {
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class SVGAnimatedTransformList;
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typedef nsSVGElement SVGPatternElementBase;
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class SVGPatternElement final : public SVGPatternElementBase
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{
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friend class ::nsSVGPatternFrame;
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protected:
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friend nsresult (::NS_NewSVGPatternElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
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explicit SVGPatternElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
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virtual JSObject* WrapNode(JSContext *cx, JS::Handle<JSObject*> aGivenProto) override;
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public:
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typedef mozilla::SVGAnimatedPreserveAspectRatio SVGAnimatedPreserveAspectRatio;
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// nsIContent interface
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NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* name) const override;
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virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult,
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bool aPreallocateChildren) const override;
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// nsSVGSVGElement methods:
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virtual bool HasValidDimensions() const override;
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virtual mozilla::nsSVGAnimatedTransformList*
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GetAnimatedTransformList(uint32_t aFlags = 0) override;
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virtual nsIAtom* GetTransformListAttrName() const override {
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return nsGkAtoms::patternTransform;
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}
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// WebIDL
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already_AddRefed<SVGAnimatedRect> ViewBox();
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already_AddRefed<DOMSVGAnimatedPreserveAspectRatio> PreserveAspectRatio();
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already_AddRefed<SVGAnimatedEnumeration> PatternUnits();
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already_AddRefed<SVGAnimatedEnumeration> PatternContentUnits();
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already_AddRefed<SVGAnimatedTransformList> PatternTransform();
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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<SVGAnimatedString> Href();
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protected:
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virtual LengthAttributesInfo GetLengthInfo() override;
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virtual EnumAttributesInfo GetEnumInfo() override;
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virtual nsSVGViewBox *GetViewBox() 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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enum { PATTERNUNITS, PATTERNCONTENTUNITS };
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nsSVGEnum mEnumAttributes[2];
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static EnumInfo sEnumInfo[2];
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nsAutoPtr<mozilla::nsSVGAnimatedTransformList> mPatternTransform;
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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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// SVGFitToViewbox properties
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nsSVGViewBox mViewBox;
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SVGAnimatedPreserveAspectRatio mPreserveAspectRatio;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_SVGPatternElement_h
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