зеркало из https://github.com/mozilla/gecko-dev.git
88 строки
2.9 KiB
C++
88 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsHTMLReflowCommand_h___
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#define nsHTMLReflowCommand_h___
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#include "nsIReflowCommand.h"
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#include "nsVoidArray.h"
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class nsIAtom;
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/**
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* An HTML reflow command
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*/
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class nsHTMLReflowCommand : public nsIReflowCommand {
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public:
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/**
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* Construct an HTML reflow command of type aReflowType and with target
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* frame aTargetFrame. You can also specify an optional child frame, e.g.
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* to indicate the inserted child frame
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*/
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nsHTMLReflowCommand(nsIFrame* aTargetFrame,
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ReflowType aReflowType,
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nsIFrame* aChildFrame = nsnull,
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nsIAtom* aAttribute = nsnull);
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/**
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* Construct an HTML reflow command of type FrameInserted, with target
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* frame aTargetFrame, and with the specified child and previous sibling
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* frames.
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*/
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nsHTMLReflowCommand(nsIFrame* aTargetFrame,
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nsIFrame* aChildFrame,
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nsIFrame* aPrevSiblingFrame);
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virtual ~nsHTMLReflowCommand();
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIReflowCommand
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NS_IMETHOD Dispatch(nsIPresContext& aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsSize& aMaxSize,
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nsIRenderingContext& aRendContext);
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NS_IMETHOD GetNext(nsIFrame*& aNextFrame, PRBool aRemove);
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NS_IMETHOD GetTarget(nsIFrame*& aTargetFrame) const;
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NS_IMETHOD SetTarget(nsIFrame* aTargetFrame);
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NS_IMETHOD GetType(ReflowType& aReflowType) const;
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/** can return nsnull. If nsnull is not returned, the caller must NS_RELEASE aAttribute */
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NS_IMETHOD GetAttribute(nsIAtom *& aAttribute) const;
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NS_IMETHOD GetChildFrame(nsIFrame*& aChildFrame) const;
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NS_IMETHOD GetChildListName(nsIAtom*& aListName) const;
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NS_IMETHOD SetChildListName(nsIAtom* aListName);
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NS_IMETHOD GetPrevSiblingFrame(nsIFrame*& aSiblingFrame) const;
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protected:
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void BuildPath();
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nsIFrame* GetContainingBlock(nsIFrame* aFloater);
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private:
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ReflowType mType;
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nsIFrame* mTargetFrame;
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nsIFrame* mChildFrame;
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nsIFrame* mPrevSiblingFrame;
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nsIAtom* mAttribute;
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nsIAtom* mListName;
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nsVoidArray mPath;
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};
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#endif /* nsHTMLReflowCommand_h___ */
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