pjs/layout/base/nsStyleChangeList.h

60 строки
1.7 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 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsStyleChangeList_h___
#define nsStyleChangeList_h___
#include "nslayout.h"
#include "nsError.h"
class nsIFrame;
// XXX would all platforms support putting this inside the list?
struct nsStyleChangeData {
nsIFrame* mFrame;
PRInt32 mHint;
};
static const PRUint32 kStyleChangeBufferSize = 10;
class NS_LAYOUT nsStyleChangeList {
public:
nsStyleChangeList(void);
~nsStyleChangeList(void);
PRInt32 Count(void) const {
return mCount;
}
nsresult ChangeAt(PRInt32 aIndex, nsIFrame*& aFrame, PRInt32& aHint) const;
nsresult AppendChange(nsIFrame* aFrame, PRInt32 aHint);
void Clear();
protected:
nsStyleChangeList& operator=(const nsStyleChangeList& aCopy);
PRBool operator==(const nsStyleChangeList& aOther) const;
nsStyleChangeData* mArray;
PRInt32 mArraySize;
PRInt32 mCount;
nsStyleChangeData mBuffer[kStyleChangeBufferSize];
};
#endif /* nsStyleChangeList_h___ */