reportdesign/source/core/sdr/ModuleHelper.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   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 #include "ModuleHelper.hxx"
  20 #include <comphelper/processfactory.hxx>
  21 #include <osl/thread.h>
  22 #include <com/sun/star/util/XMacroExpander.hpp>
  23 #include <com/sun/star/beans/XPropertySet.hpp>
  24 #include <com/sun/star/uno/XComponentContext.hpp>
  25 #include <rtl/instance.hxx>
  26 #include <rtl/uri.hxx>
  27 #include <tools/debug.hxx>
  28 #include <svl/solar.hrc>
  29
  30 #define ENTER_MOD_METHOD()  \
  31     ::osl::MutexGuard aGuard(theOModuleMutex::get()); \
  32     ensureImpl()
  33
  34
  35 namespace rptui
  36 {
  37
  38     using namespace ::com::sun::star;
  39
  40 //= OModuleImpl
  41
  42 /** implementation for <type>OModule</type>. not threadsafe, has to be guarded by its owner
  43 */
  44 class OModuleImpl
  45 {
  46     ResMgr* m_pResources;
  47
  48 public:
  49     /// ctor
  50     OModuleImpl();
  51     ~OModuleImpl();
  52
  53     /// get the manager for the resources of the module
  54     ResMgr* getResManager();
  55 };
  56
  57
  58 OModuleImpl::OModuleImpl()
  59     :m_pResources(NULL)
  60 {
  61 }
  62
  63
  64 OModuleImpl::~OModuleImpl()
  65 {
  66     if (m_pResources)
  67         delete m_pResources;
  68 }
  69
  70
  71 ResMgr* OModuleImpl::getResManager()
  72 {
  73     // note that this method is not threadsafe, which counts for the whole class !
  74
  75     if (!m_pResources)
  76     {
  77         // create a manager with a fixed prefix
  78         m_pResources = ResMgr::CreateResMgr("rptui");
  79     }
  80     return m_pResources;
  81 }
  82
  83
  84 //= OModule
  85
  86
  87 namespace
  88 {
  89     // access safety
  90     struct theOModuleMutex : public rtl::Static< osl::Mutex, theOModuleMutex > {};
  91 }
  92
  93 sal_Int32       OModule::s_nClients = 0;
  94 OModuleImpl*    OModule::s_pImpl = NULL;
  95
  96 ResMgr* OModule::getResManager()
  97 {
  98     ENTER_MOD_METHOD();
  99     return s_pImpl->getResManager();
 100 }
 101
 102
 103 void OModule::registerClient()
 104 {
 105     ::osl::MutexGuard aGuard(theOModuleMutex::get());
 106     ++s_nClients;
 107 }
 108
 109
 110 void OModule::revokeClient()
 111 {
 112     ::osl::MutexGuard aGuard(theOModuleMutex::get());
 113     if (!--s_nClients && s_pImpl)
 114     {
 115         delete s_pImpl;
 116         s_pImpl = NULL;
 117     }
 118 }
 119
 120
 121 void OModule::ensureImpl()
 122 {
 123     if (s_pImpl)
 124         return;
 125     s_pImpl = new OModuleImpl();
 126 }
 127
 128
 129 }   // namespace dbaui
 130
 131
 132 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */