unotools/source/misc/componentresmodule.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_unotools.hxx"
  33 #include <unotools/componentresmodule.hxx>
  34
  35 /** === begin UNO includes === **/
  36 /** === end UNO includes === **/
  37 #include <tools/resmgr.hxx>
  38 #include <osl/diagnose.h>
  39
  40 //........................................................................
  41 namespace utl
  42 {
  43 //........................................................................
  44
  45     //====================================================================
  46     //= OComponentResModuleImpl
  47     //====================================================================
  48     /** PIMPL-class for OComponentResourceModule
  49
  50         not threadsafe!
  51     */
  52     class OComponentResModuleImpl
  53     {
  54     private:
  55         ResMgr*             m_pRessources;
  56         bool            m_bInitialized;
  57         ::rtl::OString  m_sResFilePrefix;
  58
  59     public:
  60         OComponentResModuleImpl( const ::rtl::OString& _rResFilePrefix )
  61             :m_pRessources( NULL )
  62             ,m_bInitialized( false )
  63             ,m_sResFilePrefix( _rResFilePrefix )
  64         {
  65         }
  66
  67         ~OComponentResModuleImpl()
  68         {
  69             freeResManager();
  70         }
  71
  72         /** releases our resource manager
  73         */
  74         void freeResManager();
  75
  76         /** retrieves our resource manager
  77         */
  78         ResMgr* getResManager();
  79
  80     private:
  81         OComponentResModuleImpl();                                              // never implemented
  82         OComponentResModuleImpl( const OComponentResModuleImpl& );              // never implemented
  83         OComponentResModuleImpl& operator=( const OComponentResModuleImpl& );   // never implemented
  84     };
  85
  86     //--------------------------------------------------------------------
  87     void OComponentResModuleImpl::freeResManager()
  88     {
  89         delete m_pRessources, m_pRessources = NULL;
  90         m_bInitialized = false;
  91     }
  92
  93     //--------------------------------------------------------------------
  94     ResMgr*     OComponentResModuleImpl::getResManager()
  95     {
  96         if ( !m_pRessources && !m_bInitialized )
  97         {
  98             // create a manager with a fixed prefix
  99             ByteString aMgrName = m_sResFilePrefix;
 100
 101             m_pRessources = ResMgr::CreateResMgr( aMgrName.GetBuffer() );
 102             OSL_ENSURE( m_pRessources,
 103                     ( ByteString( "OModuleImpl::getResManager: could not create the resource manager (file name: " )
 104                 +=      aMgrName
 105                 +=      ByteString( ")!" ) ).GetBuffer() );
 106
 107             m_bInitialized = sal_True;
 108         }
 109         return m_pRessources;
 110     }
 111
 112     //====================================================================
 113     //= OComponentResourceModule
 114     //====================================================================
 115     //--------------------------------------------------------------------
 116     OComponentResourceModule::OComponentResourceModule( const ::rtl::OString& _rResFilePrefix )
 117         :BaseClass()
 118         ,m_pImpl( new OComponentResModuleImpl( _rResFilePrefix ) )
 119     {
 120     }
 121
 122     //--------------------------------------------------------------------
 123     OComponentResourceModule::~OComponentResourceModule()
 124     {
 125     }
 126
 127     //-------------------------------------------------------------------------
 128     ResMgr*     OComponentResourceModule::getResManager()
 129     {
 130         ::osl::MutexGuard aGuard( m_aMutex );
 131         return m_pImpl->getResManager();
 132     }
 133
 134     //--------------------------------------------------------------------------
 135     void OComponentResourceModule::onFirstClient()
 136     {
 137         BaseClass::onFirstClient();
 138     }
 139
 140     //--------------------------------------------------------------------------
 141     void OComponentResourceModule::onLastClient()
 142     {
 143         m_pImpl->freeResManager();
 144         BaseClass::onLastClient();
 145     }
 146
 147 //........................................................................
 148 } // namespace utl
 149 //........................................................................