gecko-dev/layout/base/nsStyleChangeList.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
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* the Initial Developer. All Rights Reserved.
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#ifndef nsStyleChangeList_h___
#define nsStyleChangeList_h___
#include "nsError.h"
class nsIFrame;
class nsIContent;
// XXX would all platforms support putting this inside the list?
struct nsStyleChangeData {
nsIFrame* mFrame;
nsIContent* mContent;
PRInt32 mHint;
};
static const PRUint32 kStyleChangeBufferSize = 10;
class nsStyleChangeList {
public:
nsStyleChangeList(void);
~nsStyleChangeList(void);
PRInt32 Count(void) const {
return mCount;
}
nsresult ChangeAt(PRInt32 aIndex, nsIFrame*& aFrame, nsIContent*& aContent,
PRInt32& aHint) const;
nsresult AppendChange(nsIFrame* aFrame, nsIContent* aContent, PRInt32 aHint);
void Clear(void);
protected:
nsStyleChangeList& operator=(const nsStyleChangeList& aCopy);
PRBool operator==(const nsStyleChangeList& aOther) const;
nsStyleChangeData* mArray;
PRInt32 mArraySize;
PRInt32 mCount;
nsStyleChangeData mBuffer[kStyleChangeBufferSize];
};
#endif /* nsStyleChangeList_h___ */