117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Conrad Carlen <ccarlen@netscape.com>
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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 nsSharedPrefHandler_h__
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#define nsSharedPrefHandler_h__
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// Interfaces needed
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#include "ipcITransactionService.h"
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#include "ipcITransactionObserver.h"
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// Includes
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#include "nsCOMPtr.h"
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#include "nsString.h"
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#include "nsVoidArray.h"
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// Local includes
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#include "prefapi.h"
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// Forward declarations
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class nsPrefService;
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// --------------------------------------------------------------------------------------
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// nsSharedPrefHandler
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// --------------------------------------------------------------------------------------
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class nsSharedPrefHandler : public ipcITransactionObserver
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{
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friend nsresult NS_CreateSharedPrefHandler(nsPrefService*);
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NS_DECL_ISUPPORTS
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NS_DECL_IPCITRANSACTIONOBSERVER
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public:
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nsresult OnSessionBegin();
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nsresult OnSessionEnd();
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nsresult OnSavePrefs();
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nsresult OnPrefChanged(PRBool defaultPref,
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PrefHashEntry* pref,
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PrefValue newValue);
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void ReadingUserPrefs(PRBool isReading)
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{ mReadingUserPrefs = isReading; }
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PRBool IsPrefShared(const char* prefName);
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protected:
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nsSharedPrefHandler();
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virtual ~nsSharedPrefHandler();
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nsresult Init(nsPrefService *aOwner);
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nsresult ReadExceptionFile();
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nsresult EnsureTransactionService();
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protected:
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nsPrefService *mPrefService; // weak ref
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nsCOMPtr<ipcITransactionService> mTransService;
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const nsCString mPrefsTSQueueName;
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PRPackedBool mSessionActive;
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PRPackedBool mReadingUserPrefs;
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PRPackedBool mProcessingTransaction;
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nsAutoVoidArray mExceptionList;
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};
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// --------------------------------------------------------------------------------------
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extern nsSharedPrefHandler *gSharedPrefHandler; // greasy, but used by procedural code.
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/**
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* Global method to create gSharedPrefHandler
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*
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* @param aOwner
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*/
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extern nsresult NS_CreateSharedPrefHandler(nsPrefService *aOwner);
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#endif // nsSharedPrefHandler_h__
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