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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** 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 "nsStringFwd.h"
#include "nsInterfaceHashtable.h"
#include "nsPoint.h"
#include "nsAutoPtr.h"
#include "nsRect.h"
class nsPresState
{
public:
NS_HIDDEN_(nsresult) Init();
NS_HIDDEN_(nsresult) GetStatePropertyAsSupports(const nsAString& aName,
nsISupports** aResult);
NS_HIDDEN_(nsresult) SetStatePropertyAsSupports(const nsAString& aName,
nsISupports* aValue);
NS_HIDDEN_(nsresult) GetStateProperty(const nsAString& aProperty,
nsAString& aResult);
NS_HIDDEN_(nsresult) SetStateProperty(const nsAString& aProperty,
const nsAString& aValue);
NS_HIDDEN_(nsresult) RemoveStateProperty(const nsAString& aProperty);
NS_HIDDEN_(nsresult) SetScrollState(const nsRect& aState);
nsRect GetScrollState();
// MEMBER VARIABLES
protected:
nsInterfaceHashtable<nsStringHashKey,nsISupports> mPropertyTable;
nsAutoPtr<nsRect> mScrollState;
};
NS_HIDDEN_(nsresult) NS_NewPresState(nsPresState **aState);
#endif /* nsPresState_h_ */