e191c422d9
nsHTMLReflowState structure git-svn-id: svn://10.0.0.236/trunk@11749 18797224-902f-48f8-a5cc-f745e15eee43
72 lines
2.6 KiB
C++
72 lines
2.6 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 nsAbsoluteFrame_h___
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#define nsAbsoluteFrame_h___
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#include "nsFrame.h"
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// Implementation of a frame that's used as a placeholder for an absolutely
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// positioned frame
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class nsAbsoluteFrame : public nsFrame {
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public:
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/**
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* Create a placeholder for an absolutely positioned frame. Also creates
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* the absolutely positioned frame itself
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*
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* @see #GetAbsoluteFrame()
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*/
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static nsresult NewFrame(nsIFrame** aInstancePtrResult,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aAbsoluteFrame = nsnull);
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// Returns the associated anchored item
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nsIFrame* GetAbsoluteFrame() const {return mFrame;}
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void SetAbsoluteFrame(nsIFrame* aAbsoluteFrame) {mFrame = aAbsoluteFrame;}
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// nsIHTMLReflow overrides
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NS_IMETHOD Reflow(nsIPresContext& aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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// nsIFrame overrides
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NS_IMETHOD ContentChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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nsISupports* aSubContent);
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NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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nsIAtom* aAttribute,
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PRInt32 aHint);
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NS_IMETHOD ListTag(FILE* out = stdout) const;
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protected:
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nsIFrame* mFrame; // the absolutely positioned frame
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// Constructor. Takes as arguments the content object, the index in parent,
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// and the Frame for the content parent
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nsAbsoluteFrame(nsIContent* aContent, nsIFrame* aParent, nsIFrame* aAbsoluteFrame);
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virtual ~nsAbsoluteFrame();
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nsIFrame* GetContainingBlock() const;
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};
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#endif /* nsAbsoluteFrame_h___ */
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