pjs/layout/generic/nsAreaFrame.cpp

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3.3 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
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* Version 1.1 (the "License"); you may not use this file except in
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*
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* 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
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* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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
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#include "nsAreaFrame.h"
#include "nsBlockBandData.h"
#include "nsIReflowCommand.h"
#include "nsIStyleContext.h"
#include "nsStyleConsts.h"
#include "nsIPresContext.h"
#include "nsIViewManager.h"
#include "nsHTMLAtoms.h"
#include "nsIView.h"
#include "nsHTMLIIDs.h"
#include "nsHTMLValue.h"
#include "nsHTMLParts.h"
#include "nsLayoutAtoms.h"
#include "nsISizeOfHandler.h"
#undef NOISY_MAX_ELEMENT_SIZE
#undef NOISY_FINAL_SIZE
nsresult
NS_NewAreaFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame, PRUint32 aFlags)
{
NS_PRECONDITION(aNewFrame, "null OUT ptr");
if (nsnull == aNewFrame) {
return NS_ERROR_NULL_POINTER;
}
nsAreaFrame* it = new (aPresShell) nsAreaFrame;
if (nsnull == it) {
return NS_ERROR_OUT_OF_MEMORY;
}
it->SetFlags(aFlags);
*aNewFrame = it;
return NS_OK;
}
nsAreaFrame::nsAreaFrame()
{
}
/////////////////////////////////////////////////////////////////////////////
// nsIFrame
NS_IMETHODIMP
nsAreaFrame::GetFrameType(nsIAtom** aType) const
{
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
*aType = nsLayoutAtoms::areaFrame;
NS_ADDREF(*aType);
return NS_OK;
}
/////////////////////////////////////////////////////////////////////////////
// Diagnostics
#ifdef NS_DEBUG
NS_IMETHODIMP
nsAreaFrame::GetFrameName(nsString& aResult) const
{
return MakeFrameName("Area", aResult);
}
NS_IMETHODIMP
nsAreaFrame::SizeOf(nsISizeOfHandler* aHandler, PRUint32* aResult) const
{
if (!aResult) {
return NS_ERROR_NULL_POINTER;
}
nsBlockFrame::SizeOf(aHandler, aResult);
*aResult += sizeof(*this) - sizeof(nsBlockFrame);
return NS_OK;
}
#endif