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     /** === being UNO using === **/
  34     using ::com::sun::star::uno::Sequence;
  35     using ::com::sun::star::uno::RuntimeException;
  36     using ::com::sun::star::uno::Reference;
  37     using ::com::sun::star::lang::XMultiServiceFactory;
  38     using ::com::sun::star::registry::XRegistryKey;
  39     using ::com::sun::star::uno::Exception;
  40     using ::com::sun::star::uno::XInterface;
  41     /** === end UNO using === **/
  42
  43     typedef ::std::vector< ComponentDescription >   ComponentDescriptions;
  44
  45     //=========================================================================
  46     //= OModuleImpl
  47     //=========================================================================
  48     /** implementation for <type>OModule</type>. not threadsafe, has to be guarded by it's owner
  49     */
  50     class OModuleImpl
  51     {
  52     public:
  53         ComponentDescriptions                           m_aRegisteredComponents;
  54
  55         OModuleImpl();
  56         ~OModuleImpl();
  57     };
  58
  59     //-------------------------------------------------------------------------
  60     OModuleImpl::OModuleImpl()
  61     {
  62     }
  63
  64     //-------------------------------------------------------------------------
  65     OModuleImpl::~OModuleImpl()
  66     {
  67     }
  68
  69     //=========================================================================
  70     //= OModule
  71     //=========================================================================
  72     //-------------------------------------------------------------------------
  73     OModule::OModule()
  74         : m_nClients(0)
  75         , m_pImpl(new OModuleImpl)
  76     {
  77     }
  78
  79     OModule::~OModule()
  80     {
  81         delete m_pImpl;
  82     }
  83
  84     //-------------------------------------------------------------------------
  85     void OModule::registerClient( OModule::ClientAccess )
  86     {
  87         ::osl::MutexGuard aGuard(m_aMutex);
  88         if ( 1 == osl_atomic_increment( &m_nClients ) )
  89             onFirstClient();
  90     }
  91
  92     //-------------------------------------------------------------------------
  93     void OModule::revokeClient( OModule::ClientAccess )
  94     {
  95         ::osl::MutexGuard aGuard(m_aMutex);
  96         if ( 0 == osl_atomic_decrement( &m_nClients ) )
  97             onLastClient();
  98     }
  99
 100     //--------------------------------------------------------------------------
 101     void OModule::onFirstClient()
 102     {
 103     }
 104
 105     //--------------------------------------------------------------------------
 106     void OModule::onLastClient()
 107     {
 108     }
 109
 110     //--------------------------------------------------------------------------
 111     void OModule::registerImplementation( const ComponentDescription& _rComp )
 112     {
 113         ::osl::MutexGuard aGuard( m_aMutex );
 114         if ( !m_pImpl )
 115             throw RuntimeException();
 116
 117         m_pImpl->m_aRegisteredComponents.push_back( _rComp );
 118     }
 119
 120     //--------------------------------------------------------------------------
 121     void OModule::registerImplementation( const ::rtl::OUString& _rImplementationName, const ::com::sun::star::uno::Sequence< ::rtl::OUString >& _rServiceNames,
 122         ::cppu::ComponentFactoryFunc _pCreateFunction, FactoryInstantiation _pFactoryFunction )
 123     {
 124         ComponentDescription aComponent( _rImplementationName, _rServiceNames, ::rtl::OUString(), _pCreateFunction, _pFactoryFunction );
 125         registerImplementation( aComponent );
 126     }
 127
 128     //--------------------------------------------------------------------------
 129     void* OModule::getComponentFactory( const sal_Char* _pImplementationName )
 130     {
 131         Reference< XInterface > xFactory( getComponentFactory(
 132             ::rtl::OUString::createFromAscii( _pImplementationName ) ) );
 133         return xFactory.get();
 134     }
 135
 136     //--------------------------------------------------------------------------
 137     Reference< XInterface > OModule::getComponentFactory( const ::rtl::OUString& _rImplementationName )
 138     {
 139         Reference< XInterface > xReturn;
 140
 141         for (   ComponentDescriptions::const_iterator component = m_pImpl->m_aRegisteredComponents.begin();
 142                 component != m_pImpl->m_aRegisteredComponents.end();
 143                 ++component
 144             )
 145         {
 146             if ( component->sImplementationName == _rImplementationName )
 147             {
 148                 xReturn = component->pFactoryCreationFunc(
 149                     component->pComponentCreationFunc,
 150                     component->sImplementationName,
 151                     component->aSupportedServices,
 152                     NULL
 153                 );
 154                 if ( xReturn.is() )
 155                 {
 156                     xReturn->acquire();
 157                     return xReturn.get();
 158                 }
 159             }
 160         }
 161
 162         return NULL;
 163     }
 164
 165 //........................................................................
 166 } // namespace comphelper
 167 //........................................................................
 168
 169 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */