pjs/content/base/public/nsIRangeUtils.h

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/* -*- 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 1.1 (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/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU Public License (the "GPL"), in which case the
* provisions of the GPL are applicable instead of those above.
* If you wish to allow use of your version of this file only
* under the terms of the GPL and not to allow others to use your
* version of this file under the NPL, indicate your decision by
* deleting the provisions above and replace them with the notice
* and other provisions required by the GPL. If you do not delete
* the provisions above, a recipient may use your version of this
* file under either the NPL or the GPL.
*/
/* 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:
static const nsIID& GetIID() { static nsIID iid = NS_IRANGEUTILS_IID; return 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;
};
#endif /* nsIRangeUtils_h___ */