/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
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 *
 * 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 the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *
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 * 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"),
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#ifndef nsPIBoxObject_h___
#define nsPIBoxObject_h___

// {2b8bb262-1b0f-4572-ba87-5d4ae4954445}
#define NS_PIBOXOBJECT_IID \
{ 0x2b8bb262, 0x1b0f, 0x4572, \
  { 0xba, 0x87, 0x5d, 0x4a, 0xe4, 0x95, 0x44, 0x45 } }


class nsIPresShell;
class nsIContent;
class nsIDocument;

class nsPIBoxObject : public nsIBoxObject
{
public:
  NS_DECLARE_STATIC_IID_ACCESSOR(NS_PIBOXOBJECT_IID)

  virtual nsresult Init(nsIContent* aContent) = 0;

  // Drop the weak ref to the content node as needed
  virtual void Clear() = 0;

  // The values cached by the implementation of this interface should be
  // cleared when this method is called.
  virtual void ClearCachedValues() = 0;
};

NS_DEFINE_STATIC_IID_ACCESSOR(nsPIBoxObject, NS_PIBOXOBJECT_IID)

#endif

