зеркало из https://github.com/mozilla/gecko-dev.git
93 строки
3.3 KiB
C++
93 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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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 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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, PRBool aIncludeStyleData);
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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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