/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: services.cxx,v $
 *
 * $Revision: 1.2 $
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * 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_sdext.hxx"

#include "pdfiadaptor.hxx"
#include "filterdet.hxx"
#include "treevisitorfactory.hxx"

#include <cppuhelper/factory.hxx>
#include <cppuhelper/implementationentry.hxx>
#include <comphelper/servicedecl.hxx>

using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::registry;


namespace
{
    static Reference< XInterface > Create_PDFIHybridAdaptor( const Reference< XComponentContext >& _rxContext )
    {
        return *(new pdfi::PDFIHybridAdaptor( _rxContext ));
    }

    static Reference< XInterface > Create_PDFIRawAdaptor_Writer( const Reference< XComponentContext >& _rxContext )
    {
        pdfi::PDFIRawAdaptor* pAdaptor = new pdfi::PDFIRawAdaptor( _rxContext );

        pAdaptor->setTreeVisitorFactory(pdfi::createWriterTreeVisitorFactory());
        pAdaptor->enableToplevelText(); // TEMP! TEMP!

        return uno::Reference<uno::XInterface>(static_cast<xml::XImportFilter*>(pAdaptor));
    }

    static Reference< XInterface > Create_PDFIRawAdaptor_Draw( const Reference< XComponentContext >& _rxContext )
    {
        pdfi::PDFIRawAdaptor* pAdaptor = new pdfi::PDFIRawAdaptor( _rxContext );

        pAdaptor->setTreeVisitorFactory(pdfi::createDrawTreeVisitorFactory());

        return uno::Reference<uno::XInterface>(static_cast<xml::XImportFilter*>(pAdaptor));
    }

    static Reference< XInterface > Create_PDFIRawAdaptor_Impress( const Reference< XComponentContext >& _rxContext )
    {
        pdfi::PDFIRawAdaptor* pAdaptor = new pdfi::PDFIRawAdaptor( _rxContext );

        pAdaptor->setTreeVisitorFactory(pdfi::createImpressTreeVisitorFactory());

        return uno::Reference<uno::XInterface>(static_cast<xml::XImportFilter*>(pAdaptor));
    }

    static Reference< XInterface > Create_PDFDetector( const Reference< XComponentContext >& _rxContext )
    {
        return *(new pdfi::PDFDetector( _rxContext ) );
    }
}

extern "C" void SAL_CALL component_getImplementationEnvironment(
    const sal_Char **ppEnvTypeName, uno_Environment ** /*ppEnv*/ )
{
    *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
}

namespace
{
    typedef Reference< XInterface > (SAL_CALL * ComponentFactory)( const Reference< XComponentContext >& );

    struct ComponentDescription
    {
        const sal_Char*     pAsciiServiceName;
        const sal_Char*     pAsciiImplementationName;
        ComponentFactory    pFactory;

        ComponentDescription()
            :pAsciiServiceName( NULL )
            ,pAsciiImplementationName( NULL )
            ,pFactory( NULL )
        {
        }
        ComponentDescription( const sal_Char* _pAsciiServiceName, const sal_Char* _pAsciiImplementationName, ComponentFactory _pFactory )
            :pAsciiServiceName( _pAsciiServiceName )
            ,pAsciiImplementationName( _pAsciiImplementationName )
            ,pFactory( _pFactory )
        {
        }
    };

    static const ComponentDescription* lcl_getComponents()
    {
        static const ComponentDescription aDescriptions[] = {
            ComponentDescription( "com.sun.star.document.ImportFilter", "com.sun.star.comp.documents.HybridPDFImport", Create_PDFIHybridAdaptor ),
            ComponentDescription( "com.sun.star.document.ImportFilter", "com.sun.star.comp.documents.WriterPDFImport", Create_PDFIRawAdaptor_Writer ),
            ComponentDescription( "com.sun.star.document.ImportFilter", "com.sun.star.comp.documents.DrawPDFImport", Create_PDFIRawAdaptor_Draw ),
            ComponentDescription( "com.sun.star.document.ImportFilter", "com.sun.star.comp.documents.ImpressPDFImport", Create_PDFIRawAdaptor_Impress ),
            ComponentDescription( "com.sun.star.document.ImportFilter", "com.sun.star.comp.documents.PDFDetector", Create_PDFDetector ),
            ComponentDescription()
        };
        return aDescriptions;
    }
}

extern "C" sal_Bool SAL_CALL component_writeInfo( void* /*pServiceManager*/, void* pRegistryKey )
{
    Reference< XRegistryKey > xRootKey( static_cast< XRegistryKey* >( pRegistryKey ) );

    ::rtl::OUString sRootKey( "/", 1, RTL_TEXTENCODING_ASCII_US );

    const ComponentDescription* pComponents = lcl_getComponents();
    while ( pComponents->pAsciiServiceName != NULL )
    {
        ::rtl::OUString sMainKeyName( sRootKey );
        sMainKeyName += ::rtl::OUString::createFromAscii( pComponents->pAsciiImplementationName );
        sMainKeyName += ::rtl::OUString::createFromAscii( "/UNO/SERVICES" );

        try
        {
            Reference< XRegistryKey >  xNewKey( xRootKey->createKey( sMainKeyName ) );
            xNewKey->createKey( ::rtl::OUString::createFromAscii( pComponents->pAsciiServiceName ) );
        }
        catch( Exception& )
        {
            OSL_ASSERT( "OModule::writeComponentInfos: something went wrong while creating the keys!" );
            return sal_False;
        }
        ++pComponents;
    }
    return sal_True;
}

extern "C" void* SAL_CALL component_getFactory(
    const sal_Char* pImplementationName, void* /*pServiceManager*/, void* /*pRegistryKey*/ )
{
    ::rtl::OUString sImplementationName( ::rtl::OUString::createFromAscii( pImplementationName ) );

    Reference< XSingleComponentFactory > xFactory;

    const ComponentDescription* pComponents = lcl_getComponents();
    while ( pComponents->pAsciiServiceName != NULL )
    {
        if ( 0 == sImplementationName.compareToAscii( pComponents->pAsciiImplementationName ) )
        {
            Sequence< ::rtl::OUString > sServices(1);
            sServices[0] = ::rtl::OUString::createFromAscii( pComponents->pAsciiServiceName );

            xFactory = ::cppu::createSingleComponentFactory(
                pComponents->pFactory,
                sImplementationName,
                sServices,
                NULL
            );
            break;
        }

        ++pComponents;
    }

    // by definition, objects returned via this C API need to ber acquired once
    xFactory->acquire();
    return xFactory.get();
}