/* -*- Mode: C++; tab-width: 2; 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) 2003 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Conrad Carlen * * 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 nsSharedPrefHandler_h__ #define nsSharedPrefHandler_h__ // Interfaces needed #include "ipcITransactionService.h" #include "ipcITransactionObserver.h" // Includes #include "nsCOMPtr.h" #include "nsString.h" #include "nsVoidArray.h" // Local includes #include "prefapi.h" // Forward declarations class nsPrefService; // -------------------------------------------------------------------------------------- // nsSharedPrefHandler // -------------------------------------------------------------------------------------- class nsSharedPrefHandler : public ipcITransactionObserver { friend nsresult NS_CreateSharedPrefHandler(nsPrefService*); NS_DECL_ISUPPORTS NS_DECL_IPCITRANSACTIONOBSERVER public: nsresult OnSessionBegin(); nsresult OnSessionEnd(); nsresult OnSavePrefs(); nsresult OnPrefChanged(PRBool defaultPref, PrefHashEntry* pref, PrefValue newValue); void ReadingUserPrefs(PRBool isReading) { mReadingUserPrefs = isReading; } PRBool IsPrefShared(const char* prefName); protected: nsSharedPrefHandler(); virtual ~nsSharedPrefHandler(); nsresult Init(nsPrefService *aOwner); nsresult ReadExceptionFile(); nsresult EnsureTransactionService(); protected: nsPrefService *mPrefService; // weak ref nsCOMPtr mTransService; const nsCString mPrefsTSQueueName; PRPackedBool mSessionActive; PRPackedBool mReadingUserPrefs; PRPackedBool mProcessingTransaction; nsAutoVoidArray mExceptionList; }; // -------------------------------------------------------------------------------------- extern nsSharedPrefHandler *gSharedPrefHandler; // greasy, but used by procedural code. /** * Global method to create gSharedPrefHandler * * @param aOwner */ extern nsresult NS_CreateSharedPrefHandler(nsPrefService *aOwner); #endif // nsSharedPrefHandler_h__