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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsSplittableFrame_h___
#define nsSplittableFrame_h___
#include "nsFrame.h"
// Derived class that allows splitting
class nsSplittableFrame : public nsFrame
{
public:
NS_IMETHOD Init(nsPresContext* aPresContext,
nsIContent* aContent,
nsIFrame* aParent,
nsStyleContext* aContext,
nsIFrame* aPrevInFlow);
NS_IMETHOD IsSplittable(nsSplittableType& aIsSplittable) const;
NS_IMETHOD Destroy(nsPresContext* aPresContext);
// Flow member functions.
virtual nsIFrame* GetPrevInFlow() const;
NS_IMETHOD SetPrevInFlow(nsIFrame*);
virtual nsIFrame* GetNextInFlow() const;
NS_IMETHOD SetNextInFlow(nsIFrame*);
/**
* Return the first frame in our current flow.
*/
virtual nsIFrame* GetFirstInFlow() const;
/**
* Return the last frame in our current flow.
*/
virtual nsIFrame* GetLastInFlow() const;
// Remove the frame from the flow. Connects the frame's prev-in-flow
// and its next-in-flow
static void RemoveFromFlow(nsIFrame* aFrame);
// Detach from previous frame in flow
static void BreakFromPrevFlow(nsIFrame* aFrame);
protected:
#ifdef DEBUG
virtual void DumpBaseRegressionData(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent, PRBool aIncludeStyleData);
#endif
nsIFrame* mPrevInFlow;
nsIFrame* mNextInFlow;
};
#endif /* nsSplittableFrame_h___ */
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