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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
87 lines
2.9 KiB
C++
87 lines
2.9 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_SVGTextPathElement_h
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#define mozilla_dom_SVGTextPathElement_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 "mozilla/dom/SVGTextContentElement.h"
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class nsIAtom;
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class nsIContent;
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nsresult NS_NewSVGTextPathElement(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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// textPath Method Types
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static const unsigned short TEXTPATH_METHODTYPE_UNKNOWN = 0;
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static const unsigned short TEXTPATH_METHODTYPE_ALIGN = 1;
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static const unsigned short TEXTPATH_METHODTYPE_STRETCH = 2;
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// textPath Spacing Types
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static const unsigned short TEXTPATH_SPACINGTYPE_UNKNOWN = 0;
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static const unsigned short TEXTPATH_SPACINGTYPE_AUTO = 1;
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static const unsigned short TEXTPATH_SPACINGTYPE_EXACT = 2;
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typedef SVGTextContentElement SVGTextPathElementBase;
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class SVGTextPathElement final : public SVGTextPathElementBase
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{
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friend class ::SVGTextFrame;
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protected:
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friend nsresult (::NS_NewSVGTextPathElement(nsIContent **aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
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explicit SVGTextPathElement(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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// nsIContent interface
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NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) 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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// WebIDL
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already_AddRefed<SVGAnimatedLength> StartOffset();
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already_AddRefed<SVGAnimatedEnumeration> Method();
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already_AddRefed<SVGAnimatedEnumeration> Spacing();
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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 StringAttributesInfo GetStringInfo() override;
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enum { /* TEXTLENGTH, */ STARTOFFSET = 1 };
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nsSVGLength2 mLengthAttributes[2];
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virtual nsSVGLength2* LengthAttributes() override
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{ return mLengthAttributes; }
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static LengthInfo sLengthInfo[2];
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enum { /* LENGTHADJUST, */ METHOD = 1, SPACING };
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nsSVGEnum mEnumAttributes[3];
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virtual nsSVGEnum* EnumAttributes() override
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{ return mEnumAttributes; }
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static nsSVGEnumMapping sMethodMap[];
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static nsSVGEnumMapping sSpacingMap[];
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static EnumInfo sEnumInfo[3];
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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_SVGTextPathElement_h
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