xref: /aoo41x/main/comphelper/source/misc/componentmodule.cxx (revision cdf0e10c)

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 *
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 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
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 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_comphelper.hxx"
#include <comphelper/componentmodule.hxx>

/** === begin UNO includes === **/
/** === end UNO includes === **/
#include <comphelper/sequence.hxx>
#include <osl/diagnose.h>

#include <vector>

//........................................................................
namespace comphelper
{
//........................................................................

    using namespace ::cppu;
    /** === being UNO using === **/
    using ::com::sun::star::uno::Sequence;
    using ::com::sun::star::uno::RuntimeException;
    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::lang::XMultiServiceFactory;
    using ::com::sun::star::registry::XRegistryKey;
    using ::com::sun::star::uno::Exception;
    using ::com::sun::star::uno::XInterface;
    /** === end UNO using === **/

    typedef ::std::vector< ComponentDescription >   ComponentDescriptions;

	//=========================================================================
	//= OModuleImpl
	//=========================================================================
	/** implementation for <type>OModule</type>. not threadsafe, has to be guarded by it's owner
	*/
	class OModuleImpl
	{
    public:
        ComponentDescriptions                           m_aRegisteredComponents;

		OModuleImpl();
		~OModuleImpl();
	};

	//-------------------------------------------------------------------------
	OModuleImpl::OModuleImpl()
	{
	}

	//-------------------------------------------------------------------------
	OModuleImpl::~OModuleImpl()
	{
	}

	//=========================================================================
	//= OModule
	//=========================================================================
	//-------------------------------------------------------------------------
    OModule::OModule()
        :m_nClients( 0 )
	    ,m_pImpl( new OModuleImpl )
    {
    }

    OModule::~OModule() {}

	//-------------------------------------------------------------------------
    void OModule::registerClient( OModule::ClientAccess )
	{
		::osl::MutexGuard aGuard(m_aMutex);
        if ( 1 == osl_incrementInterlockedCount( &m_nClients ) )
            onFirstClient();
	}

	//-------------------------------------------------------------------------
	void OModule::revokeClient( OModule::ClientAccess )
	{
		::osl::MutexGuard aGuard(m_aMutex);
        if ( 0 == osl_decrementInterlockedCount( &m_nClients ) )
            onLastClient();
	}

	//--------------------------------------------------------------------------
    void OModule::onFirstClient()
    {
    }

	//--------------------------------------------------------------------------
    void OModule::onLastClient()
    {
    }

    //--------------------------------------------------------------------------
    void OModule::registerImplementation( const ComponentDescription& _rComp )
    {
        ::osl::MutexGuard aGuard( m_aMutex );
        if ( !m_pImpl )
            throw RuntimeException();

        m_pImpl->m_aRegisteredComponents.push_back( _rComp );
    }

	//--------------------------------------------------------------------------
    void OModule::registerImplementation( const ::rtl::OUString& _rImplementationName, const ::com::sun::star::uno::Sequence< ::rtl::OUString >& _rServiceNames,
        ::cppu::ComponentFactoryFunc _pCreateFunction, FactoryInstantiation _pFactoryFunction )
	{
        ComponentDescription aComponent( _rImplementationName, _rServiceNames, ::rtl::OUString(), _pCreateFunction, _pFactoryFunction );
        registerImplementation( aComponent );
	}

	//--------------------------------------------------------------------------
	void* OModule::getComponentFactory( const sal_Char* _pImplementationName, void* _pServiceManager, void* /*_pRegistryKey*/ )
	{
        Reference< XInterface > xFactory( getComponentFactory(
            ::rtl::OUString::createFromAscii( _pImplementationName ),
            Reference< XMultiServiceFactory >( static_cast< XMultiServiceFactory* >( _pServiceManager ) )
        ) );
        return xFactory.get();
    }

	//--------------------------------------------------------------------------
	Reference< XInterface > OModule::getComponentFactory( const ::rtl::OUString& _rImplementationName,
        const Reference< XMultiServiceFactory >& /* _rxServiceManager */ )
	{
		Reference< XInterface > xReturn;

        for (   ComponentDescriptions::const_iterator component = m_pImpl->m_aRegisteredComponents.begin();
                component != m_pImpl->m_aRegisteredComponents.end();
                ++component
            )
		{
			if ( component->sImplementationName == _rImplementationName )
			{
				xReturn = component->pFactoryCreationFunc(
                    component->pComponentCreationFunc,
                    component->sImplementationName,
                    component->aSupportedServices,
                    NULL
                );
				if ( xReturn.is() )
				{
					xReturn->acquire();
					return xReturn.get();
				}
			}
		}

		return NULL;
	}

//........................................................................
} // namespace comphelper
//........................................................................