зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.3 KiB
C++
78 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
#ifndef nsSplittableFrame_h___
|
|
#define nsSplittableFrame_h___
|
|
|
|
#include "nsFrame.h"
|
|
|
|
// Derived class that allows splitting
|
|
class nsSplittableFrame : public nsFrame
|
|
{
|
|
public:
|
|
NS_IMETHOD Init(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsIStyleContext* aContext,
|
|
nsIFrame* aPrevInFlow);
|
|
|
|
NS_IMETHOD IsSplittable(nsSplittableType& aIsSplittable) const;
|
|
#ifdef DEBUG
|
|
NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const;
|
|
#endif
|
|
|
|
// Flow member functions.
|
|
NS_IMETHOD GetPrevInFlow(nsIFrame** aPrevInFlow) const;
|
|
NS_IMETHOD SetPrevInFlow(nsIFrame*);
|
|
NS_IMETHOD GetNextInFlow(nsIFrame** aNextInFlow) const;
|
|
NS_IMETHOD SetNextInFlow(nsIFrame*);
|
|
|
|
/**
|
|
* Return the first frame in our current flow.
|
|
*/
|
|
nsIFrame* GetFirstInFlow() const;
|
|
|
|
/**
|
|
* Return the last frame in our current flow.
|
|
*/
|
|
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);
|
|
|
|
nsIFrame* GetPrevInFlow();
|
|
nsIFrame* GetNextInFlow();
|
|
|
|
protected:
|
|
#ifdef DEBUG
|
|
virtual void DumpBaseRegressionData(nsIPresContext* aPresContext, FILE* out, PRInt32 aIndent);
|
|
#endif
|
|
|
|
nsIFrame* mPrevInFlow;
|
|
nsIFrame* mNextInFlow;
|
|
};
|
|
|
|
#endif /* nsSplittableFrame_h___ */
|