зеркало из https://github.com/mozilla/pjs.git
79 строки
3.2 KiB
C++
79 строки
3.2 KiB
C++
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mike Pinkerton
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* Josh Aas <josh@mozilla.com> (decomtaminate)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsChangeObserver_h_
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#define nsChangeObserver_h_
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class nsIContent;
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class nsIDocument;
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class nsIAtom;
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#define NS_DECL_CHANGEOBSERVER \
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void ObserveAttributeChanged(nsIDocument *aDocument, nsIContent *aContent, nsIAtom *aAttribute); \
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void ObserveContentRemoved(nsIDocument *aDocument, nsIContent *aChild, PRInt32 aIndexInContainer); \
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void ObserveContentInserted(nsIDocument *aDocument, nsIContent* aContainer, nsIContent *aChild);
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// Something that wants to be alerted to changes in attributes or changes in
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// its corresponding content object.
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//
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// This interface is used by our menu code so we only have to have one
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// nsIDocumentObserver.
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//
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// Any class that implements this interface must take care to unregister itself
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// on deletion.
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class nsChangeObserver
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{
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public:
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// XXX use dom::Element
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virtual void ObserveAttributeChanged(nsIDocument* aDocument,
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nsIContent* aContent,
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nsIAtom* aAttribute)=0;
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virtual void ObserveContentRemoved(nsIDocument* aDocument,
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nsIContent* aChild,
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PRInt32 aIndexInContainer)=0;
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virtual void ObserveContentInserted(nsIDocument* aDocument,
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nsIContent* aContainer,
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nsIContent* aChild)=0;
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};
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#endif // nsChangeObserver_h_
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