зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.0 KiB
C++
67 строки
2.0 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 __NS_SVGUSEFRAME_H__
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#define __NS_SVGUSEFRAME_H__
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// Keep in (case-insensitive) order:
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#include "nsIAnonymousContentCreator.h"
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#include "nsSVGGFrame.h"
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class nsSVGUseFrame final
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: public nsSVGGFrame
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, public nsIAnonymousContentCreator
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{
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friend nsIFrame* NS_NewSVGUseFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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protected:
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explicit nsSVGUseFrame(nsStyleContext* aContext)
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: nsSVGGFrame(aContext, kClassID)
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, mHasValidDimensions(true)
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{
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}
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public:
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NS_DECL_QUERYFRAME
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NS_DECL_FRAMEARENA_HELPERS(nsSVGUseFrame)
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// nsIFrame interface:
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void Init(nsIContent* aContent,
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nsContainerFrame* aParent,
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nsIFrame* aPrevInFlow) override;
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nsresult AttributeChanged(int32_t aNameSpaceID,
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nsAtom* aAttribute,
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int32_t aModType) override;
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void DestroyFrom(nsIFrame* aDestructRoot, PostDestroyData& aPostDestroyData) override;
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#ifdef DEBUG_FRAME_DUMP
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nsresult GetFrameName(nsAString& aResult) const override
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{
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return MakeFrameName(NS_LITERAL_STRING("SVGUse"), aResult);
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}
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#endif
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// nsSVGDisplayableFrame interface:
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void ReflowSVG() override;
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void NotifySVGChanged(uint32_t aFlags) override;
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// nsIAnonymousContentCreator
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nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
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void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
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uint32_t aFilter) override;
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nsIContent* GetContentClone() { return mContentClone.get(); }
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private:
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bool mHasValidDimensions;
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nsCOMPtr<nsIContent> mContentClone;
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};
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#endif // __NS_SVGUSEFRAME_H__
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