RetroZilla/content/xml/document/src/nsXMLPrettyPrinter.h
2015-10-20 23:03:22 -04:00

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3.7 KiB
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2002
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Jonas Sicking <jonas@sicking.cc> (Original author)
*
* 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
* 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 ***** */
#ifndef nsXMLPrettyPrinter_h__
#define nsXMLPrettyPrinter_h__
#include "nsStubDocumentObserver.h"
#include "nsIDocument.h"
#include "nsCOMPtr.h"
class nsXMLPrettyPrinter : public nsStubDocumentObserver
{
public:
nsXMLPrettyPrinter();
virtual ~nsXMLPrettyPrinter();
NS_DECL_ISUPPORTS
// nsIDocumentObserver
virtual void BeginUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType);
virtual void EndUpdate(nsIDocument* aDocument, nsUpdateType aUpdateType);
virtual void AttributeChanged(nsIDocument* aDocument, nsIContent* aContent,
PRInt32 aNameSpaceID, nsIAtom* aAttribute,
PRInt32 aModType);
virtual void ContentAppended(nsIDocument* aDocument,
nsIContent* aContainer,
PRInt32 aNewIndexInContainer);
virtual void ContentInserted(nsIDocument* aDocument,
nsIContent* aContainer, nsIContent* aChild,
PRInt32 aIndexInContainer);
virtual void ContentRemoved(nsIDocument* aDocument, nsIContent* aContainer,
nsIContent* aChild, PRInt32 aIndexInContainer);
virtual void DocumentWillBeDestroyed(nsIDocument* aDocument);
/**
* This will prettyprint the document if the document is loaded in a
* displayed window.
*
* @param aDocument document to prettyprint
*/
nsresult PrettyPrint(nsIDocument* aDocument);
private:
/**
* Signals for unhooking by setting mUnhookPending if the node changed is
* non-anonymous content.
*
* @param aContent content that has changed
*/
void MaybeUnhook(nsIContent* aContent);
nsIDocument* mDocument; //weak. Set as long as we're observing the document
PRUint32 mUpdateDepth;
PRPackedBool mUnhookPending;
};
nsresult NS_NewXMLPrettyPrinter(nsXMLPrettyPrinter** aPrinter);
#endif //nsXMLPrettyPrinter_h__