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78 lines
2.3 KiB
C++
78 lines
2.3 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsSplittableFrame_h___
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#define nsSplittableFrame_h___
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#include "nsFrame.h"
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// Derived class that allows splitting
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class nsSplittableFrame : public nsFrame
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{
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public:
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NS_IMETHOD Init(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aContext,
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nsIFrame* aPrevInFlow);
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NS_IMETHOD IsSplittable(nsSplittableType& aIsSplittable) const;
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#ifdef DEBUG
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NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const;
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#endif
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// Flow member functions.
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NS_IMETHOD GetPrevInFlow(nsIFrame** aPrevInFlow) const;
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NS_IMETHOD SetPrevInFlow(nsIFrame*);
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NS_IMETHOD GetNextInFlow(nsIFrame** aNextInFlow) const;
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NS_IMETHOD SetNextInFlow(nsIFrame*);
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/**
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* Return the first frame in our current flow.
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*/
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nsIFrame* GetFirstInFlow() const;
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/**
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* Return the last frame in our current flow.
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*/
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nsIFrame* GetLastInFlow() const;
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// Remove the frame from the flow. Connects the frame's prev-in-flow
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// and its next-in-flow
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static void RemoveFromFlow(nsIFrame* aFrame);
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// Detach from previous frame in flow
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static void BreakFromPrevFlow(nsIFrame* aFrame);
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nsIFrame* GetPrevInFlow();
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nsIFrame* GetNextInFlow();
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protected:
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#ifdef DEBUG
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virtual void DumpBaseRegressionData(nsIPresContext* aPresContext, FILE* out, PRInt32 aIndent);
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#endif
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nsIFrame* mPrevInFlow;
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nsIFrame* mNextInFlow;
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};
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#endif /* nsSplittableFrame_h___ */
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