Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_FORMULA_SOURCE_CORE_INC_CORE_RESOURCE_HXX
      21             : #define INCLUDED_FORMULA_SOURCE_CORE_INC_CORE_RESOURCE_HXX
      22             : 
      23             : #include <rtl/ustring.hxx>
      24             : #include <osl/mutex.hxx>
      25             : 
      26             : class ResMgr;
      27             : 
      28             : namespace formula
      29             : {
      30             : 
      31             :     //= ResourceManager
      32             :     //= handling resources within the FORMULA-Core library
      33             : 
      34             :     class ResourceManager
      35             :     {
      36             :         friend class OModuleClient;
      37             :         static sal_Int32    s_nClients;     /// number of registered clients
      38             :         static ResMgr*  m_pImpl;
      39             : 
      40             :     private:
      41             :         // no instantiation allowed
      42             :         ResourceManager() { }
      43             :         ~ResourceManager() { }
      44             : 
      45             :     protected:
      46             :         static void ensureImplExists();
      47             :         /// register a client for the module
      48             :         static void registerClient();
      49             :         /// revoke a client for the module
      50             :         static void revokeClient();
      51             : 
      52             :     public:
      53             : 
      54             :         static ResMgr*  getResManager();
      55             :     };
      56             : 
      57             : 
      58             :     //= OModuleClient
      59             : 
      60             :     /** base class for objects which uses any global module-specific resources
      61             :     */
      62             :     class OModuleClient
      63             :     {
      64             :     public:
      65         153 :         OModuleClient()     { ResourceManager::registerClient(); }
      66         153 :         ~OModuleClient()    { ResourceManager::revokeClient(); }
      67             :     };
      68             : 
      69             : 
      70             : 
      71             : } // formula
      72             : 
      73             : 
      74             : #endif // INCLUDED_FORMULA_SOURCE_CORE_INC_CORE_RESOURCE_HXX
      75             : 
      76             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */