formula/source/ui/resource/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.
   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 #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 formula
  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 OModuleImpl::OModuleImpl()
  58     :m_pResources(NULL)
  59 {
  60 }
  61
  62
  63 OModuleImpl::~OModuleImpl()
  64 {
  65     if (m_pResources)
  66         delete m_pResources;
  67 }
  68
  69
  70 ResMgr* OModuleImpl::getResManager()
  71 {
  72     // note that this method is not threadsafe, which counts for the whole class !
  73
  74     if (!m_pResources)
  75     {
  76         // create a manager with a fixed prefix
  77         m_pResources = ResMgr::CreateResMgr("forui");
  78     }
  79     return m_pResources;
  80 }
  81
  82
  83 //= OModule
  84
  85 namespace
  86 {
  87     // access safety
  88     struct theOModuleMutex : public rtl::Static< osl::Mutex, theOModuleMutex > {};
  89 }
  90 sal_Int32       OModule::s_nClients = 0;
  91 OModuleImpl*    OModule::s_pImpl = NULL;
  92
  93 ResMgr* OModule::getResManager()
  94 {
  95     ENTER_MOD_METHOD();
  96     return s_pImpl->getResManager();
  97 }
  98
  99
 100 void OModule::registerClient()
 101 {
 102     ::osl::MutexGuard aGuard(theOModuleMutex::get());
 103     ++s_nClients;
 104 }
 105
 106
 107 void OModule::revokeClient()
 108 {
 109     ::osl::MutexGuard aGuard(theOModuleMutex::get());
 110     if (!--s_nClients && s_pImpl)
 111     {
 112         delete s_pImpl;
 113         s_pImpl = NULL;
 114     }
 115 }
 116
 117
 118 void OModule::ensureImpl()
 119 {
 120     if (s_pImpl)
 121         return;
 122     s_pImpl = new OModuleImpl();
 123 }
 124
 125
 126 }   // namespace formula
 127
 128
 129 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */