comphelper/source/misc/componentmodule.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
  20 #include <comphelper/componentmodule.hxx>
  21
  22 #include <comphelper/sequence.hxx>
  23 #include <osl/diagnose.h>
  24
  25 #include <vector>
  26
  27 //........................................................................
  28 namespace comphelper
  29 {
  30 //........................................................................
  31
  32     using namespace ::cppu;
  33     using ::com::sun::star::uno::Sequence;
  34     using ::com::sun::star::uno::RuntimeException;
  35     using ::com::sun::star::uno::Reference;
  36     using ::com::sun::star::lang::XMultiServiceFactory;
  37     using ::com::sun::star::registry::XRegistryKey;
  38     using ::com::sun::star::uno::Exception;
  39     using ::com::sun::star::uno::XInterface;
  40
  41     typedef ::std::vector< ComponentDescription >   ComponentDescriptions;
  42
  43     //=========================================================================
  44     //= OModuleImpl
  45     //=========================================================================
  46     /** implementation for <type>OModule</type>. not threadsafe, has to be guarded by it's owner
  47     */
  48     class OModuleImpl
  49     {
  50     public:
  51         ComponentDescriptions                           m_aRegisteredComponents;
  52
  53         OModuleImpl();
  54         ~OModuleImpl();
  55     };
  56
  57     //-------------------------------------------------------------------------
  58     OModuleImpl::OModuleImpl()
  59     {
  60     }
  61
  62     //-------------------------------------------------------------------------
  63     OModuleImpl::~OModuleImpl()
  64     {
  65     }
  66
  67     //=========================================================================
  68     //= OModule
  69     //=========================================================================
  70     //-------------------------------------------------------------------------
  71     OModule::OModule()
  72         : m_nClients(0)
  73         , m_pImpl(new OModuleImpl)
  74     {
  75     }
  76
  77     OModule::~OModule()
  78     {
  79         delete m_pImpl;
  80     }
  81
  82     //-------------------------------------------------------------------------
  83     void OModule::registerClient( OModule::ClientAccess )
  84     {
  85         ::osl::MutexGuard aGuard(m_aMutex);
  86         if ( 1 == osl_atomic_increment( &m_nClients ) )
  87             onFirstClient();
  88     }
  89
  90     //-------------------------------------------------------------------------
  91     void OModule::revokeClient( OModule::ClientAccess )
  92     {
  93         ::osl::MutexGuard aGuard(m_aMutex);
  94         if ( 0 == osl_atomic_decrement( &m_nClients ) )
  95             onLastClient();
  96     }
  97
  98     //--------------------------------------------------------------------------
  99     void OModule::onFirstClient()
 100     {
 101     }
 102
 103     //--------------------------------------------------------------------------
 104     void OModule::onLastClient()
 105     {
 106     }
 107
 108     //--------------------------------------------------------------------------
 109     void OModule::registerImplementation( const ComponentDescription& _rComp )
 110     {
 111         ::osl::MutexGuard aGuard( m_aMutex );
 112         if ( !m_pImpl )
 113             throw RuntimeException();
 114
 115         m_pImpl->m_aRegisteredComponents.push_back( _rComp );
 116     }
 117
 118     //--------------------------------------------------------------------------
 119     void OModule::registerImplementation( const OUString& _rImplementationName, const ::com::sun::star::uno::Sequence< OUString >& _rServiceNames,
 120         ::cppu::ComponentFactoryFunc _pCreateFunction, FactoryInstantiation _pFactoryFunction )
 121     {
 122         ComponentDescription aComponent( _rImplementationName, _rServiceNames, OUString(), _pCreateFunction, _pFactoryFunction );
 123         registerImplementation( aComponent );
 124     }
 125
 126     //--------------------------------------------------------------------------
 127     void* OModule::getComponentFactory( const sal_Char* _pImplementationName )
 128     {
 129         Reference< XInterface > xFactory( getComponentFactory(
 130             OUString::createFromAscii( _pImplementationName ) ) );
 131         return xFactory.get();
 132     }
 133
 134     //--------------------------------------------------------------------------
 135     Reference< XInterface > OModule::getComponentFactory( const OUString& _rImplementationName )
 136     {
 137         Reference< XInterface > xReturn;
 138
 139         for (   ComponentDescriptions::const_iterator component = m_pImpl->m_aRegisteredComponents.begin();
 140                 component != m_pImpl->m_aRegisteredComponents.end();
 141                 ++component
 142             )
 143         {
 144             if ( component->sImplementationName == _rImplementationName )
 145             {
 146                 xReturn = component->pFactoryCreationFunc(
 147                     component->pComponentCreationFunc,
 148                     component->sImplementationName,
 149                     component->aSupportedServices,
 150                     NULL
 151                 );
 152                 if ( xReturn.is() )
 153                 {
 154                     xReturn->acquire();
 155                     return xReturn.get();
 156                 }
 157             }
 158         }
 159
 160         return NULL;
 161     }
 162
 163 //........................................................................
 164 } // namespace comphelper
 165 //........................................................................
 166
 167 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */