michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsXMLPrettyPrinter_h__
michael@0: #define nsXMLPrettyPrinter_h__
michael@0: 
michael@0: #include "nsStubDocumentObserver.h"
michael@0: #include "nsCOMPtr.h"
michael@0: 
michael@0: class nsIDocument;
michael@0: 
michael@0: class nsXMLPrettyPrinter : public nsStubDocumentObserver
michael@0: {
michael@0: public:
michael@0:     nsXMLPrettyPrinter();
michael@0:     virtual ~nsXMLPrettyPrinter();
michael@0: 
michael@0:     NS_DECL_ISUPPORTS
michael@0: 
michael@0:     // nsIMutationObserver
michael@0:     NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED
michael@0:     NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
michael@0:     NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
michael@0:     NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
michael@0:     NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED
michael@0: 
michael@0:     /**
michael@0:      * This will prettyprint the document if the document is loaded in a
michael@0:      * displayed window.
michael@0:      *
michael@0:      * @param aDocument  document to prettyprint
michael@0:      * @param [out] aDidPrettyPrint if true, and error not returned, actually
michael@0:      *              went ahead with prettyprinting the document.
michael@0:      */
michael@0:     nsresult PrettyPrint(nsIDocument* aDocument, bool* aDidPrettyPrint);
michael@0: 
michael@0:     /**
michael@0:      * Unhook the prettyprinter
michael@0:      */
michael@0:     void Unhook();
michael@0: private:
michael@0:     /**
michael@0:      * Signals for unhooking by setting mUnhookPending if the node changed is
michael@0:      * non-anonymous content.
michael@0:      *
michael@0:      * @param aContent  content that has changed
michael@0:      */
michael@0:     void MaybeUnhook(nsIContent* aContent);
michael@0: 
michael@0:     nsIDocument* mDocument; //weak. Set as long as we're observing the document
michael@0:     bool mUnhookPending;
michael@0: };
michael@0: 
michael@0: nsresult NS_NewXMLPrettyPrinter(nsXMLPrettyPrinter** aPrinter);
michael@0: 
michael@0: #endif //nsXMLPrettyPrinter_h__