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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
110 lines
3.3 KiB
C++
110 lines
3.3 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_HTMLFrameElement_h
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#define mozilla_dom_HTMLFrameElement_h
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#include "mozilla/Attributes.h"
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#include "nsIDOMHTMLFrameElement.h"
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#include "nsGenericHTMLFrameElement.h"
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#include "nsGkAtoms.h"
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namespace mozilla {
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namespace dom {
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class HTMLFrameElement final : public nsGenericHTMLFrameElement,
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public nsIDOMHTMLFrameElement
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{
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public:
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using nsGenericHTMLFrameElement::SwapFrameLoaders;
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explicit HTMLFrameElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
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FromParser aFromParser = NOT_FROM_PARSER);
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMHTMLFrameElement
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NS_DECL_NSIDOMHTMLFRAMEELEMENT
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// nsIContent
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virtual bool ParseAttribute(int32_t aNamespaceID,
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nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult) 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 API
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// The XPCOM GetFrameBorder is OK for us
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void SetFrameBorder(const nsAString& aFrameBorder, ErrorResult& aError)
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{
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SetHTMLAttr(nsGkAtoms::frameborder, aFrameBorder, aError);
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}
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// The XPCOM GetLongDesc is OK for us
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void SetLongDesc(const nsAString& aLongDesc, ErrorResult& aError)
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{
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SetAttrHelper(nsGkAtoms::longdesc, aLongDesc);
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}
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// The XPCOM GetMarginHeight is OK for us
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void SetMarginHeight(const nsAString& aMarginHeight, ErrorResult& aError)
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{
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SetHTMLAttr(nsGkAtoms::marginheight, aMarginHeight, aError);
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}
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// The XPCOM GetMarginWidth is OK for us
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void SetMarginWidth(const nsAString& aMarginWidth, ErrorResult& aError)
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{
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SetHTMLAttr(nsGkAtoms::marginwidth, aMarginWidth, aError);
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}
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// The XPCOM GetName is OK for us
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void SetName(const nsAString& aName, ErrorResult& aError)
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{
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SetHTMLAttr(nsGkAtoms::name, aName, aError);
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}
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bool NoResize() const
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{
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return GetBoolAttr(nsGkAtoms::noresize);
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}
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void SetNoResize(bool& aNoResize, ErrorResult& aError)
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{
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SetHTMLBoolAttr(nsGkAtoms::noresize, aNoResize, aError);
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}
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// The XPCOM GetScrolling is OK for us
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void SetScrolling(const nsAString& aScrolling, ErrorResult& aError)
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{
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SetHTMLAttr(nsGkAtoms::scrolling, aScrolling, aError);
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}
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// The XPCOM GetSrc is OK for us
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void SetSrc(const nsAString& aSrc, ErrorResult& aError)
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{
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SetAttrHelper(nsGkAtoms::src, aSrc);
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}
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using nsGenericHTMLFrameElement::GetContentDocument;
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using nsGenericHTMLFrameElement::GetContentWindow;
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protected:
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virtual ~HTMLFrameElement();
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virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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private:
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static void MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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GenericSpecifiedValues* aGenericData);
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_HTMLFrameElement_h
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