gecko-dev/layout/base/nsLayoutDebugger.cpp

/* -*- 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 "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 Communicator client 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.
 */
#include "nsILayoutDebugger.h"
#include "nsIFrame.h"

static NS_DEFINE_IID(kILayoutDebuggerIID, NS_ILAYOUT_DEBUGGER_IID);

class nsLayoutDebugger : public nsILayoutDebugger {
public:
  nsLayoutDebugger();
  virtual ~nsLayoutDebugger();

  NS_DECL_ISUPPORTS

  NS_IMETHOD SetShowFrameBorders(PRBool aEnable);

  NS_IMETHOD GetShowFrameBorders(PRBool* aResult);

  NS_IMETHOD GetContentSize(nsIDocument* aDocument,
                            PRInt32* aSizeInBytesResult);

  NS_IMETHOD GetFrameSize(nsIPresShell* aPresentation,
                          PRInt32* aSizeInBytesResult);

  NS_IMETHOD GetStyleSize(nsIPresShell* aPresentation,
                          PRInt32* aSizeInBytesResult);

};

nsresult
NS_NewLayoutDebugger(nsILayoutDebugger** aResult)
{
  NS_PRECONDITION(aResult, "null OUT ptr");
  if (!aResult) {
    return NS_ERROR_NULL_POINTER;
  }
  nsLayoutDebugger* it = new nsLayoutDebugger();
  if (!it) {
    return NS_ERROR_OUT_OF_MEMORY;
  }
  return it->QueryInterface(kILayoutDebuggerIID, (void**)aResult);
}

nsLayoutDebugger::nsLayoutDebugger()
{
  NS_INIT_REFCNT();
}

nsLayoutDebugger::~nsLayoutDebugger()
{
}

NS_IMPL_ISUPPORTS(nsLayoutDebugger, kILayoutDebuggerIID);

NS_IMETHODIMP
nsLayoutDebugger::SetShowFrameBorders(PRBool aEnable)
{
  nsIFrame::ShowFrameBorders(aEnable);
  return NS_OK;
}

NS_IMETHODIMP
nsLayoutDebugger::GetShowFrameBorders(PRBool* aResult)
{
  *aResult = nsIFrame::GetShowFrameBorders();
  return NS_OK;
}

NS_IMETHODIMP
nsLayoutDebugger::GetContentSize(nsIDocument* aDocument,
                                 PRInt32* aSizeInBytesResult)
{
  *aSizeInBytesResult = 0;
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
nsLayoutDebugger::GetFrameSize(nsIPresShell* aPresentation,
                               PRInt32* aSizeInBytesResult)
{
  *aSizeInBytesResult = 0;
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
nsLayoutDebugger::GetStyleSize(nsIPresShell* aPresentation,
                               PRInt32* aSizeInBytesResult)
{
  *aSizeInBytesResult = 0;
  return NS_ERROR_FAILURE;
}