pjs/content/events/public/nsMutationEvent.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/
*
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* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either 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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#ifndef nsMutationEvent_h__
#define nsMutationEvent_h__
#include "nsGUIEvent.h"
#include "nsIDOMNode.h"
#include "nsIAtom.h"
#include "nsIDOMEventTarget.h"
#include "nsIContent.h"
struct nsMutationEvent : public nsEvent
{
nsMutationEvent(PRUint32 msg = 0, PRUint8 structType = NS_MUTATION_EVENT)
: nsEvent(msg, structType),
mAttrChange(0)
{
flags |= NS_EVENT_FLAG_CANT_CANCEL;
}
nsMutationEvent(PRUint32 msg,
nsIDOMEventTarget *target,
PRUint8 structType = NS_MUTATION_EVENT)
: nsEvent(msg, structType),
mTarget(target),
mAttrChange(0)
{
flags |= NS_EVENT_FLAG_CANT_CANCEL;
}
nsMutationEvent(PRUint32 msg,
nsIContent *target,
PRUint8 structType = NS_MUTATION_EVENT)
: nsEvent(msg, structType),
mTarget(do_QueryInterface(target)),
mAttrChange(0)
{
flags |= NS_EVENT_FLAG_CANT_CANCEL;
}
nsCOMPtr<nsIDOMNode> mRelatedNode;
nsCOMPtr<nsIDOMEventTarget> mTarget;
nsCOMPtr<nsIAtom> mAttrName;
nsCOMPtr<nsIAtom> mPrevAttrValue;
nsCOMPtr<nsIAtom> mNewAttrValue;
unsigned short mAttrChange;
};
#define NS_MUTATION_START 1800
#define NS_MUTATION_SUBTREEMODIFIED (NS_MUTATION_START)
#define NS_MUTATION_NODEINSERTED (NS_MUTATION_START+1)
#define NS_MUTATION_NODEREMOVED (NS_MUTATION_START+2)
#define NS_MUTATION_NODEREMOVEDFROMDOCUMENT (NS_MUTATION_START+3)
#define NS_MUTATION_NODEINSERTEDINTODOCUMENT (NS_MUTATION_START+4)
#define NS_MUTATION_ATTRMODIFIED (NS_MUTATION_START+5)
#define NS_MUTATION_CHARACTERDATAMODIFIED (NS_MUTATION_START+6)
// Bits are actually checked to optimize mutation event firing.
// That's why I don't number from 0x00. The first event should
// always be 0x01.
#define NS_EVENT_BITS_MUTATION_SUBTREEMODIFIED 0x01
#define NS_EVENT_BITS_MUTATION_NODEINSERTED 0x02
#define NS_EVENT_BITS_MUTATION_NODEREMOVED 0x04
#define NS_EVENT_BITS_MUTATION_NODEREMOVEDFROMDOCUMENT 0x08
#define NS_EVENT_BITS_MUTATION_NODEINSERTEDINTODOCUMENT 0x10
#define NS_EVENT_BITS_MUTATION_ATTRMODIFIED 0x20
#define NS_EVENT_BITS_MUTATION_CHARACTERDATAMODIFIED 0x40
#endif // nsMutationEvent_h__