/*************************************************************************
 *
 * 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: forms_formsmodule.cxx,v $
 * $Revision: 1.4 $
 *
 * 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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 ************************************************************************/

#ifndef FORMS_MODULE_HXX
#include "formsmodule.hxx"
#endif

#ifndef _COMPHELPER_SEQUENCE_HXX_
#include <comphelper/sequence.hxx>
#endif
namespace binfilter {

//.........................................................................
namespace frm
{
//.........................................................................

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

	//=========================================================================
	//= OFormsModule
	//=========================================================================

	//--------------------------------------------------------------------------
	//- registration helper
	//--------------------------------------------------------------------------

	Sequence< ::rtl::OUString >*				OFormsModule::s_pImplementationNames = NULL;
	Sequence< Sequence< ::rtl::OUString > >*	OFormsModule::s_pSupportedServices = NULL;
	Sequence< sal_Int64 >*						OFormsModule::s_pCreationFunctionPointers = NULL;
	Sequence< sal_Int64 >*						OFormsModule::s_pFactoryFunctionPointers = NULL;

	//--------------------------------------------------------------------------
	void OFormsModule::registerComponent(
		const ::rtl::OUString& _rImplementationName,
		const Sequence< ::rtl::OUString >& _rServiceNames,
		ComponentInstantiation _pCreateFunction,
		FactoryInstantiation _pFactoryFunction)
	{
		if (!s_pImplementationNames)
		{
			OSL_ENSURE(!s_pSupportedServices && !s_pCreationFunctionPointers && !s_pFactoryFunctionPointers,
				"OFormsModule::registerComponent : inconsistent state (the pointers (1)) !");
			s_pImplementationNames = new Sequence< ::rtl::OUString >;
			s_pSupportedServices = new Sequence< Sequence< ::rtl::OUString > >;
			s_pCreationFunctionPointers = new Sequence< sal_Int64 >;
			s_pFactoryFunctionPointers = new Sequence< sal_Int64 >;
		}
		OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
			"OFormsModule::registerComponent : inconsistent state (the pointers (2)) !");

		OSL_ENSURE(	(s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
					&&	(s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
					&&	(s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
			"OFormsModule::registerComponent : inconsistent state !");

		sal_Int32 nOldLen = s_pImplementationNames->getLength();
		s_pImplementationNames->realloc(nOldLen + 1);
		s_pSupportedServices->realloc(nOldLen + 1);
		s_pCreationFunctionPointers->realloc(nOldLen + 1);
		s_pFactoryFunctionPointers->realloc(nOldLen + 1);

		s_pImplementationNames->getArray()[nOldLen] = _rImplementationName;
		s_pSupportedServices->getArray()[nOldLen] = _rServiceNames;
		s_pCreationFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pCreateFunction);
		s_pFactoryFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pFactoryFunction);
	}

	//--------------------------------------------------------------------------
	void OFormsModule::revokeComponent(const ::rtl::OUString& _rImplementationName)
	{
		if (!s_pImplementationNames)
		{
			OSL_ASSERT("OFormsModule::revokeComponent : have no class infos ! Are you sure called this method at the right time ?");
			return;
		}
		OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
			"OFormsModule::revokeComponent : inconsistent state (the pointers) !");
		OSL_ENSURE(	(s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
					&&	(s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
					&&	(s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
			"OFormsModule::revokeComponent : inconsistent state !");

		sal_Int32 nLen = s_pImplementationNames->getLength();
		const ::rtl::OUString* pImplNames = s_pImplementationNames->getConstArray();
		for (sal_Int32 i=0; i<nLen; ++i, ++pImplNames)
		{
			if (pImplNames->equals(_rImplementationName))
			{
				removeElementAt(*s_pImplementationNames, i);
				removeElementAt(*s_pSupportedServices, i);
				removeElementAt(*s_pCreationFunctionPointers, i);
				removeElementAt(*s_pFactoryFunctionPointers, i);
				break;
			}
		}

		if (s_pImplementationNames->getLength() == 0)
		{
			delete s_pImplementationNames; s_pImplementationNames = NULL;
			delete s_pSupportedServices; s_pSupportedServices = NULL;
			delete s_pCreationFunctionPointers; s_pCreationFunctionPointers = NULL;
			delete s_pFactoryFunctionPointers; s_pFactoryFunctionPointers = NULL;
		}
	}

	//--------------------------------------------------------------------------
	sal_Bool OFormsModule::writeComponentInfos(
			const Reference< XMultiServiceFactory >& /*_rxServiceManager*/,
			const Reference< XRegistryKey >& _rxRootKey)
	{
		OSL_ENSURE(_rxRootKey.is(), "OFormsModule::writeComponentInfos : invalid argument !");

		if (!s_pImplementationNames)
		{
			OSL_ASSERT("OFormsModule::writeComponentInfos : have no class infos ! Are you sure called this method at the right time ?");
			return sal_True;
		}
		OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
			"OFormsModule::writeComponentInfos : inconsistent state (the pointers) !");
		OSL_ENSURE(	(s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
					&&	(s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
					&&	(s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
			"OFormsModule::writeComponentInfos : inconsistent state !");

		sal_Int32 nLen = s_pImplementationNames->getLength();
		const ::rtl::OUString* pImplName = s_pImplementationNames->getConstArray();
		const Sequence< ::rtl::OUString >* pServices = s_pSupportedServices->getConstArray();

		::rtl::OUString sRootKey("/", 1, RTL_TEXTENCODING_ASCII_US);
		for (sal_Int32 i=0; i<nLen; ++i, ++pImplName, ++pServices)
		{
			::rtl::OUString aMainKeyName(sRootKey);
			aMainKeyName += *pImplName;
			aMainKeyName += ::rtl::OUString::createFromAscii("/UNO/SERVICES");

			try
			{
				Reference< XRegistryKey >  xNewKey( _rxRootKey->createKey(aMainKeyName) );

				const ::rtl::OUString* pService = pServices->getConstArray();
				for (sal_Int32 j=0; j<pServices->getLength(); ++j, ++pService)
					xNewKey->createKey(*pService);
			}
			catch(Exception&)
			{
				OSL_ASSERT("OFormsModule::writeComponentInfos : something went wrong while creating the keys !");
				return sal_False;
			}
		}

		return sal_True;
	}

	//--------------------------------------------------------------------------
	Reference< XInterface > OFormsModule::getComponentFactory(
		const ::rtl::OUString& _rImplementationName,
		const Reference< XMultiServiceFactory >& _rxServiceManager)
	{
		OSL_ENSURE(_rxServiceManager.is(), "OFormsModule::getComponentFactory : invalid argument (service manager) !");
		OSL_ENSURE(_rImplementationName.getLength(), "OFormsModule::getComponentFactory : invalid argument (implementation name) !");

		if (!s_pImplementationNames)
		{
			OSL_ASSERT("OFormsModule::getComponentFactory : have no class infos ! Are you sure called this method at the right time ?");
			return NULL;
		}
		OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
			"OFormsModule::getComponentFactory : inconsistent state (the pointers) !");
		OSL_ENSURE(	(s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
					&&	(s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
					&&	(s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
			"OFormsModule::getComponentFactory : inconsistent state !");


		Reference< XInterface > xReturn;


		sal_Int32 nLen = s_pImplementationNames->getLength();
		const ::rtl::OUString* pImplName = s_pImplementationNames->getConstArray();
		const Sequence< ::rtl::OUString >* pServices = s_pSupportedServices->getConstArray();
		const sal_Int64* pComponentFunction = s_pCreationFunctionPointers->getConstArray();
		const sal_Int64* pFactoryFunction = s_pFactoryFunctionPointers->getConstArray();

		for (sal_Int32 i=0; i<nLen; ++i, ++pImplName, ++pServices, ++pComponentFunction, ++pFactoryFunction)
		{
			if (pImplName->equals(_rImplementationName))
			{
				const FactoryInstantiation FactoryInstantiationFunction = reinterpret_cast<const FactoryInstantiation>(*pFactoryFunction);
				const ComponentInstantiation ComponentInstantiationFunction = reinterpret_cast<const ComponentInstantiation>(*pComponentFunction);

				xReturn = FactoryInstantiationFunction( _rxServiceManager, *pImplName, ComponentInstantiationFunction, *pServices, NULL);
				if (xReturn.is())
				{
					xReturn->acquire();
					return xReturn.get();
				}
			}
		}

		return NULL;
	}


//.........................................................................
}	// namespace frm
//.........................................................................

}
