nsXMLPrettyPrinter.h (1754B)
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 5 6 #ifndef nsXMLPrettyPrinter_h__ 7 #define nsXMLPrettyPrinter_h__ 8 9 #include "nsCOMPtr.h" 10 #include "nsStubDocumentObserver.h" 11 12 class nsXMLPrettyPrinter : public nsStubDocumentObserver { 13 public: 14 nsXMLPrettyPrinter(); 15 16 NS_DECL_ISUPPORTS 17 18 // nsIMutationObserver 19 NS_DECL_NSIMUTATIONOBSERVER_ATTRIBUTECHANGED 20 NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED 21 NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED 22 NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED 23 NS_DECL_NSIMUTATIONOBSERVER_NODEWILLBEDESTROYED 24 25 /** 26 * This will prettyprint the document if the document is loaded in a 27 * displayed window. 28 * 29 * @param aDocument document to prettyprint 30 * @param [out] aDidPrettyPrint if true, and error not returned, actually 31 * went ahead with prettyprinting the document. 32 */ 33 nsresult PrettyPrint(mozilla::dom::Document* aDocument, 34 bool* aDidPrettyPrint); 35 36 /** 37 * Unhook the prettyprinter 38 */ 39 void Unhook(); 40 41 private: 42 virtual ~nsXMLPrettyPrinter(); 43 44 /** 45 * Signals for unhooking by setting mUnhookPending if the node changed is 46 * not in the shadow root tree nor in anonymous content. 47 * 48 * @param aContent content that has changed 49 */ 50 void MaybeUnhook(nsIContent* aContent); 51 52 mozilla::dom::Document* 53 mDocument; // weak. Set as long as we're observing the document 54 bool mUnhookPending; 55 }; 56 57 nsresult NS_NewXMLPrettyPrinter(nsXMLPrettyPrinter** aPrinter); 58 59 #endif // nsXMLPrettyPrinter_h__