<commit_before>/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: sfxmodelfactory.cxx,v $
 *
 *  $Revision: 1.2 $
 *
 *  last change: $Author: kz $ $Date: 2008-03-06 19:56:18 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sfx2.hxx"

#ifndef SFX2_SFXMODELFACTORY_HXX
#include "sfx2/sfxmodelfactory.hxx"
#endif

/** === begin UNO includes === **/
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
/** === end UNO includes === **/

#include <comphelper/namedvaluecollection.hxx>
#include <cppuhelper/implbase2.hxx>

#include <algorithm>
#include <functional>

//........................................................................
namespace sfx2
{
//........................................................................

    /** === begin UNO using === **/
    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::uno::XInterface;
    using ::com::sun::star::uno::UNO_QUERY;
    using ::com::sun::star::uno::UNO_QUERY_THROW;
    using ::com::sun::star::uno::UNO_SET_THROW;
    using ::com::sun::star::uno::Exception;
    using ::com::sun::star::uno::RuntimeException;
    using ::com::sun::star::uno::Any;
    using ::com::sun::star::uno::makeAny;
    using ::com::sun::star::lang::XMultiServiceFactory;
    using ::com::sun::star::uno::Sequence;
    using ::com::sun::star::lang::XSingleServiceFactory;
    using ::com::sun::star::lang::XServiceInfo;
    using ::com::sun::star::beans::NamedValue;
    using ::com::sun::star::beans::PropertyValue;
    using ::com::sun::star::lang::XInitialization;
    /** === end UNO using === **/

    //====================================================================
    //= SfxModelFactory - declaration
    //====================================================================
    typedef ::cppu::WeakImplHelper2 <   XSingleServiceFactory
                                    ,   XServiceInfo
                                    >   SfxModelFactory_Base;
    /** implements a XSingleServiceFactory which can be used to created instances
        of classes derived from SfxBaseModel

        In opposite to the default implementations from module cppuhelper, this
        factory evaluates certain creation arguments (passed to createInstanceWithArguments)
        and passes them to the factory function of the derived class.
    */
    class SfxModelFactory : public SfxModelFactory_Base
    {
    public:
        SfxModelFactory(
            const Reference< XMultiServiceFactory >& _rxServiceFactory,
            const ::rtl::OUString& _rImplementationName,
            const SfxModelFactoryFunc _pComponentFactoryFunc,
            const Sequence< ::rtl::OUString >& _rServiceNames
        );

        // XSingleServiceFactory
        virtual Reference< XInterface > SAL_CALL createInstance(  ) throw (Exception, RuntimeException);
        virtual Reference< XInterface > SAL_CALL createInstanceWithArguments( const Sequence< Any >& aArguments ) throw (Exception, RuntimeException);

        // XServiceInfo
        virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (RuntimeException);
        virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (RuntimeException);
        virtual Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (RuntimeException);

    protected:
        virtual ~SfxModelFactory();

    private:
        Reference< XInterface > impl_createInstance( const sal_uInt64 _nCreationFlags ) const;

    private:
        const Reference< XMultiServiceFactory >     m_xServiceFactory;
        const ::rtl::OUString                       m_sImplementationName;
        const Sequence< ::rtl::OUString >           m_aServiceNames;
        const SfxModelFactoryFunc                   m_pComponentFactoryFunc;
    };

    //====================================================================
    //= SfxModelFactory - implementation
    //====================================================================
    //--------------------------------------------------------------------
    SfxModelFactory::SfxModelFactory( const Reference< XMultiServiceFactory >& _rxServiceFactory,
            const ::rtl::OUString& _rImplementationName, const SfxModelFactoryFunc _pComponentFactoryFunc,
            const Sequence< ::rtl::OUString >& _rServiceNames )
        :m_xServiceFactory( _rxServiceFactory )
        ,m_sImplementationName( _rImplementationName )
        ,m_aServiceNames( _rServiceNames )
        ,m_pComponentFactoryFunc( _pComponentFactoryFunc )
    {
    }

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

    //--------------------------------------------------------------------
    Reference< XInterface > SfxModelFactory::impl_createInstance( const sal_uInt64 _nCreationFlags ) const
    {
        return (*m_pComponentFactoryFunc)( m_xServiceFactory, _nCreationFlags );
    }

    //--------------------------------------------------------------------
    Reference< XInterface > SAL_CALL SfxModelFactory::createInstance(  ) throw (Exception, RuntimeException)
    {
        return impl_createInstance( 0 );
        return createInstanceWithArguments( Sequence< Any >() );
    }

    //--------------------------------------------------------------------
    namespace
    {
        struct IsSpecialArgument : public ::std::unary_function< Any, bool >
        {
            static bool isSpecialArgumentName( const ::rtl::OUString& _rValueName )
            {
                return  _rValueName.equalsAscii( "EmbeddedObject" )
                    ||  _rValueName.equalsAscii( "EmbeddedScriptSupport" );
            }

            bool operator()( const Any& _rArgument ) const
            {
                NamedValue aNamedValue;
                if ( ( _rArgument >>= aNamedValue ) && isSpecialArgumentName( aNamedValue.Name ) )
                    return true;
                PropertyValue aPropertyValue;
                if ( ( _rArgument >>= aPropertyValue ) && isSpecialArgumentName( aPropertyValue.Name ) )
                    return true;
                return false;
            }
        };
    }

    //--------------------------------------------------------------------
    Reference< XInterface > SAL_CALL SfxModelFactory::createInstanceWithArguments( const Sequence< Any >& _rArguments ) throw (Exception, RuntimeException)
    {
        ::comphelper::NamedValueCollection aArgs( _rArguments );
        const sal_Bool bEmbeddedObject = aArgs.getOrDefault( "EmbeddedObject", sal_False );
        const sal_Bool bScriptSupport = aArgs.getOrDefault( "EmbeddedScriptSupport", sal_True );

        sal_uInt64 nCreationFlags =
                ( bEmbeddedObject ? SFXMODEL_EMBEDDED_OBJECT : 0 )
            |   ( bScriptSupport ? 0 : SFXMODEL_DISABLE_EMBEDDED_SCRIPTS );

        Reference< XInterface > xInstance( impl_createInstance( nCreationFlags ) );

        // to mimic the bahaviour of the default factory's createInstanceWithArguments, we initialize
        // the object with the given arguments, stripped by the two special ones
        Sequence< Any > aStrippedArguments( _rArguments.getLength() );
        Any* pStrippedArgs = aStrippedArguments.getArray();
        Any* pStrippedArgsEnd = ::std::remove_copy_if(
            _rArguments.getConstArray(),
            _rArguments.getConstArray() + _rArguments.getLength(),
            pStrippedArgs,
            IsSpecialArgument()
        );
        aStrippedArguments.realloc( pStrippedArgsEnd - pStrippedArgs );

        if ( aStrippedArguments.getLength() )
        {
            Reference< XInitialization > xModelInit( xInstance, UNO_QUERY );
            OSL_ENSURE( xModelInit.is(), "SfxModelFactory::createInstanceWithArguments: no XInitialization!" );
            if ( xModelInit.is() )
                xModelInit->initialize( aStrippedArguments );
        }

        return xInstance;
    }

    //--------------------------------------------------------------------
    ::rtl::OUString SAL_CALL SfxModelFactory::getImplementationName(  ) throw (RuntimeException)
    {
        return m_sImplementationName;
    }

    //--------------------------------------------------------------------
    ::sal_Bool SAL_CALL SfxModelFactory::supportsService( const ::rtl::OUString& _rServiceName ) throw (RuntimeException)
    {
        return ::std::find(
            m_aServiceNames.getConstArray(),
            m_aServiceNames.getConstArray() + m_aServiceNames.getLength(),
            _rServiceName
        )  != m_aServiceNames.getConstArray() + m_aServiceNames.getLength();
    }

    //--------------------------------------------------------------------
    Sequence< ::rtl::OUString > SAL_CALL SfxModelFactory::getSupportedServiceNames(  ) throw (RuntimeException)
    {
        return m_aServiceNames;
    }

    //--------------------------------------------------------------------
    Reference< XSingleServiceFactory > createSfxModelFactory( const Reference< XMultiServiceFactory >& _rxServiceFactory,
            const ::rtl::OUString& _rImplementationName, const SfxModelFactoryFunc _pComponentFactoryFunc,
            const Sequence< ::rtl::OUString >& _rServiceNames )
    {
        return new SfxModelFactory( _rxServiceFactory, _rImplementationName, _pComponentFactoryFunc, _rServiceNames );
    }

//........................................................................
} // namespace sfx2
//........................................................................
<commit_msg>#i10000# return impl_createInstance( 0 ) removed<commit_after>/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: sfxmodelfactory.cxx,v $
 *
 *  $Revision: 1.3 $
 *
 *  last change: $Author: obo $ $Date: 2008-03-10 08:32:14 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sfx2.hxx"

#ifndef SFX2_SFXMODELFACTORY_HXX
#include "sfx2/sfxmodelfactory.hxx"
#endif

/** === begin UNO includes === **/
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
/** === end UNO includes === **/

#include <comphelper/namedvaluecollection.hxx>
#include <cppuhelper/implbase2.hxx>

#include <algorithm>
#include <functional>

//........................................................................
namespace sfx2
{
//........................................................................

    /** === begin UNO using === **/
    using ::com::sun::star::uno::Reference;
    using ::com::sun::star::uno::XInterface;
    using ::com::sun::star::uno::UNO_QUERY;
    using ::com::sun::star::uno::UNO_QUERY_THROW;
    using ::com::sun::star::uno::UNO_SET_THROW;
    using ::com::sun::star::uno::Exception;
    using ::com::sun::star::uno::RuntimeException;
    using ::com::sun::star::uno::Any;
    using ::com::sun::star::uno::makeAny;
    using ::com::sun::star::lang::XMultiServiceFactory;
    using ::com::sun::star::uno::Sequence;
    using ::com::sun::star::lang::XSingleServiceFactory;
    using ::com::sun::star::lang::XServiceInfo;
    using ::com::sun::star::beans::NamedValue;
    using ::com::sun::star::beans::PropertyValue;
    using ::com::sun::star::lang::XInitialization;
    /** === end UNO using === **/

    //====================================================================
    //= SfxModelFactory - declaration
    //====================================================================
    typedef ::cppu::WeakImplHelper2 <   XSingleServiceFactory
                                    ,   XServiceInfo
                                    >   SfxModelFactory_Base;
    /** implements a XSingleServiceFactory which can be used to created instances
        of classes derived from SfxBaseModel

        In opposite to the default implementations from module cppuhelper, this
        factory evaluates certain creation arguments (passed to createInstanceWithArguments)
        and passes them to the factory function of the derived class.
    */
    class SfxModelFactory : public SfxModelFactory_Base
    {
    public:
        SfxModelFactory(
            const Reference< XMultiServiceFactory >& _rxServiceFactory,
            const ::rtl::OUString& _rImplementationName,
            const SfxModelFactoryFunc _pComponentFactoryFunc,
            const Sequence< ::rtl::OUString >& _rServiceNames
        );

        // XSingleServiceFactory
        virtual Reference< XInterface > SAL_CALL createInstance(  ) throw (Exception, RuntimeException);
        virtual Reference< XInterface > SAL_CALL createInstanceWithArguments( const Sequence< Any >& aArguments ) throw (Exception, RuntimeException);

        // XServiceInfo
        virtual ::rtl::OUString SAL_CALL getImplementationName(  ) throw (RuntimeException);
        virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (RuntimeException);
        virtual Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames(  ) throw (RuntimeException);

    protected:
        virtual ~SfxModelFactory();

    private:
        Reference< XInterface > impl_createInstance( const sal_uInt64 _nCreationFlags ) const;

    private:
        const Reference< XMultiServiceFactory >     m_xServiceFactory;
        const ::rtl::OUString                       m_sImplementationName;
        const Sequence< ::rtl::OUString >           m_aServiceNames;
        const SfxModelFactoryFunc                   m_pComponentFactoryFunc;
    };

    //====================================================================
    //= SfxModelFactory - implementation
    //====================================================================
    //--------------------------------------------------------------------
    SfxModelFactory::SfxModelFactory( const Reference< XMultiServiceFactory >& _rxServiceFactory,
            const ::rtl::OUString& _rImplementationName, const SfxModelFactoryFunc _pComponentFactoryFunc,
            const Sequence< ::rtl::OUString >& _rServiceNames )
        :m_xServiceFactory( _rxServiceFactory )
        ,m_sImplementationName( _rImplementationName )
        ,m_aServiceNames( _rServiceNames )
        ,m_pComponentFactoryFunc( _pComponentFactoryFunc )
    {
    }

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

    //--------------------------------------------------------------------
    Reference< XInterface > SfxModelFactory::impl_createInstance( const sal_uInt64 _nCreationFlags ) const
    {
        return (*m_pComponentFactoryFunc)( m_xServiceFactory, _nCreationFlags );
    }

    //--------------------------------------------------------------------
    Reference< XInterface > SAL_CALL SfxModelFactory::createInstance(  ) throw (Exception, RuntimeException)
    {
        return createInstanceWithArguments( Sequence< Any >() );
    }

    //--------------------------------------------------------------------
    namespace
    {
        struct IsSpecialArgument : public ::std::unary_function< Any, bool >
        {
            static bool isSpecialArgumentName( const ::rtl::OUString& _rValueName )
            {
                return  _rValueName.equalsAscii( "EmbeddedObject" )
                    ||  _rValueName.equalsAscii( "EmbeddedScriptSupport" );
            }

            bool operator()( const Any& _rArgument ) const
            {
                NamedValue aNamedValue;
                if ( ( _rArgument >>= aNamedValue ) && isSpecialArgumentName( aNamedValue.Name ) )
                    return true;
                PropertyValue aPropertyValue;
                if ( ( _rArgument >>= aPropertyValue ) && isSpecialArgumentName( aPropertyValue.Name ) )
                    return true;
                return false;
            }
        };
    }

    //--------------------------------------------------------------------
    Reference< XInterface > SAL_CALL SfxModelFactory::createInstanceWithArguments( const Sequence< Any >& _rArguments ) throw (Exception, RuntimeException)
    {
        ::comphelper::NamedValueCollection aArgs( _rArguments );
        const sal_Bool bEmbeddedObject = aArgs.getOrDefault( "EmbeddedObject", sal_False );
        const sal_Bool bScriptSupport = aArgs.getOrDefault( "EmbeddedScriptSupport", sal_True );

        sal_uInt64 nCreationFlags =
                ( bEmbeddedObject ? SFXMODEL_EMBEDDED_OBJECT : 0 )
            |   ( bScriptSupport ? 0 : SFXMODEL_DISABLE_EMBEDDED_SCRIPTS );

        Reference< XInterface > xInstance( impl_createInstance( nCreationFlags ) );

        // to mimic the bahaviour of the default factory's createInstanceWithArguments, we initialize
        // the object with the given arguments, stripped by the two special ones
        Sequence< Any > aStrippedArguments( _rArguments.getLength() );
        Any* pStrippedArgs = aStrippedArguments.getArray();
        Any* pStrippedArgsEnd = ::std::remove_copy_if(
            _rArguments.getConstArray(),
            _rArguments.getConstArray() + _rArguments.getLength(),
            pStrippedArgs,
            IsSpecialArgument()
        );
        aStrippedArguments.realloc( pStrippedArgsEnd - pStrippedArgs );

        if ( aStrippedArguments.getLength() )
        {
            Reference< XInitialization > xModelInit( xInstance, UNO_QUERY );
            OSL_ENSURE( xModelInit.is(), "SfxModelFactory::createInstanceWithArguments: no XInitialization!" );
            if ( xModelInit.is() )
                xModelInit->initialize( aStrippedArguments );
        }

        return xInstance;
    }

    //--------------------------------------------------------------------
    ::rtl::OUString SAL_CALL SfxModelFactory::getImplementationName(  ) throw (RuntimeException)
    {
        return m_sImplementationName;
    }

    //--------------------------------------------------------------------
    ::sal_Bool SAL_CALL SfxModelFactory::supportsService( const ::rtl::OUString& _rServiceName ) throw (RuntimeException)
    {
        return ::std::find(
            m_aServiceNames.getConstArray(),
            m_aServiceNames.getConstArray() + m_aServiceNames.getLength(),
            _rServiceName
        )  != m_aServiceNames.getConstArray() + m_aServiceNames.getLength();
    }

    //--------------------------------------------------------------------
    Sequence< ::rtl::OUString > SAL_CALL SfxModelFactory::getSupportedServiceNames(  ) throw (RuntimeException)
    {
        return m_aServiceNames;
    }

    //--------------------------------------------------------------------
    Reference< XSingleServiceFactory > createSfxModelFactory( const Reference< XMultiServiceFactory >& _rxServiceFactory,
            const ::rtl::OUString& _rImplementationName, const SfxModelFactoryFunc _pComponentFactoryFunc,
            const Sequence< ::rtl::OUString >& _rServiceNames )
    {
        return new SfxModelFactory( _rxServiceFactory, _rImplementationName, _pComponentFactoryFunc, _rServiceNames );
    }

//........................................................................
} // namespace sfx2
//........................................................................

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