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       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_REPORTDESIGN_INC_MODULEHELPER_HXX
      21             : #define INCLUDED_REPORTDESIGN_INC_MODULEHELPER_HXX
      22             : 
      23             : #include "dllapi.h"
      24             : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
      25             : #include <tools/resmgr.hxx>
      26             : 
      27             : 
      28             : namespace rptui
      29             : {
      30             : 
      31             : 
      32             :     //= OModule
      33             : 
      34             :     class OModuleImpl;
      35             :     class REPORTDESIGN_DLLPUBLIC OModule
      36             :     {
      37             :         friend class OModuleClient;
      38             : 
      39             :     private:
      40             :         OModule();
      41             :             // not implemented. OModule is a static class
      42             : 
      43             :     protected:
      44             :         static sal_Int32    s_nClients;     /// number of registered clients
      45             :         static OModuleImpl* s_pImpl;        /// impl class. lives as long as at least one client for the module is registered
      46             : 
      47             :     public:
      48             :         /// get the vcl res manager of the module
      49             :         static ResMgr*  getResManager();
      50             :     protected:
      51             :         /// register a client for the module
      52             :         static void registerClient();
      53             :         /// revoke a client for the module
      54             :         static void revokeClient();
      55             : 
      56             :     private:
      57             :         /** ensure that the impl class exists
      58             :             @precond m_aMutex is guarded when this method gets called
      59             :         */
      60             :         static void ensureImpl();
      61             :     };
      62             : 
      63             : 
      64             :     //= OModuleClient
      65             : 
      66             :     /** base class for objects which uses any global module-specific resources
      67             :     */
      68             :     class REPORTDESIGN_DLLPUBLIC OModuleClient
      69             :     {
      70             :     public:
      71           4 :         inline OModuleClient()      { OModule::registerClient(); }
      72           4 :         inline ~OModuleClient() { OModule::revokeClient(); }
      73             :     };
      74             : 
      75             : 
      76             :     //= ModuleRes
      77             : 
      78             :     /** specialized ResId, using the resource manager provided by the global module
      79             :     */
      80             :     class REPORTDESIGN_DLLPUBLIC ModuleRes : public ::ResId
      81             :     {
      82             :     public:
      83           0 :         inline ModuleRes(sal_uInt16 _nId) : ResId(_nId, *OModule::getResManager()) { }
      84             :     };
      85             : 
      86             : }   // namespace rptui
      87             : 
      88             : 
      89             : #endif // INCLUDED_REPORTDESIGN_INC_MODULEHELPER_HXX
      90             : 
      91             : 
      92             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */