pjs/content/base/public/nsIRangeUtils.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 Communicator client code, released
* March 31, 1998.
*
* 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 class for range utilities. */
#ifndef nsIRangeUtils_h___
#define nsIRangeUtils_h___
#include "nsISupports.h"
// Forward declarations
class nsIDOMRange;
class nsIDOMNode;
class nsIContent;
// IID for the nsIRangeUtils interface
#define NS_IRANGEUTILS_IID \
{ 0xa6cf9127, 0x15b3, 0x11d2, {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
class nsIRangeUtils : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IRANGEUTILS_IID)
NS_IMETHOD_(PRInt32) ComparePoints(nsIDOMNode* aParent1, PRInt32 aOffset1,
nsIDOMNode* aParent2, PRInt32 aOffset2) = 0;
NS_IMETHOD_(PRBool) IsNodeIntersectsRange(nsIContent* aNode, nsIDOMRange* aRange) = 0;
NS_IMETHOD CompareNodeToRange(nsIContent* aNode,
nsIDOMRange* aRange,
PRBool *outNodeBefore,
PRBool *outNodeAfter) = 0;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIRangeUtils, NS_IRANGEUTILS_IID)
#endif /* nsIRangeUtils_h___ */