gecko-dev/layout/base/nsPresState.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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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* the provisions above, a recipient may use your version of this file under
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*
* ***** END LICENSE BLOCK ***** */
/*
* a piece of state that is stored in session history when the document
* is not
*/
#ifndef nsPresState_h_
#define nsPresState_h_
#include "prtypes.h"
#include "nsPoint.h"
#include "nsAutoPtr.h"
#include "nsRect.h"
class nsPresState
{
public:
nsPresState()
: mContentData(nsnull)
, mScrollState(0, 0)
, mDisabledSet(PR_FALSE)
, mDisabled(PR_FALSE)
{}
void SetScrollState(const nsPoint& aState)
{
mScrollState = aState;
}
nsPoint GetScrollState()
{
return mScrollState;
}
void ClearNonScrollState()
{
mContentData = nsnull;
mDisabledSet = PR_FALSE;
}
PRBool GetDisabled()
{
return mDisabled;
}
void SetDisabled(PRBool aDisabled)
{
mDisabled = aDisabled;
mDisabledSet = PR_TRUE;
}
PRBool IsDisabledSet()
{
return mDisabledSet;
}
nsISupports* GetStateProperty()
{
return mContentData;
}
void SetStateProperty(nsISupports *aProperty)
{
mContentData = aProperty;
}
// MEMBER VARIABLES
protected:
nsCOMPtr<nsISupports> mContentData;
nsPoint mScrollState;
PRPackedBool mDisabledSet;
PRPackedBool mDisabled;
};
#endif /* nsPresState_h_ */