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 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_embeddedobj.hxx"
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/embed/EntryInitModes.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/embed/Aspects.hpp>

#include <rtl/logfile.hxx>


#include "xolefactory.hxx"
#include "oleembobj.hxx"


using namespace ::com::sun::star;

// TODO: do not create OLE objects that represent OOo documents

//-------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > SAL_CALL OleEmbeddedObjectFactory::impl_staticGetSupportedServiceNames()
{
    uno::Sequence< ::rtl::OUString > aRet(2);
    aRet[0] = ::rtl::OUString::createFromAscii("com.sun.star.embed.OLEEmbeddedObjectFactory");
    aRet[1] = ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.OLEEmbeddedObjectFactory");
    return aRet;
}

//-------------------------------------------------------------------------
::rtl::OUString SAL_CALL OleEmbeddedObjectFactory::impl_staticGetImplementationName()
{
    return ::rtl::OUString::createFromAscii("com.sun.star.comp.embed.OLEEmbeddedObjectFactory");
}

//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::impl_staticCreateSelfInstance(
			const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
{
	return uno::Reference< uno::XInterface >( *new OleEmbeddedObjectFactory( xServiceManager ) );
}

//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceInitFromEntry(
																	const uno::Reference< embed::XStorage >& xStorage,
																	const ::rtl::OUString& sEntName,
																	const uno::Sequence< beans::PropertyValue >& aMedDescr,
																	const uno::Sequence< beans::PropertyValue >& lObjArgs )
	throw ( lang::IllegalArgumentException,
			container::NoSuchElementException,
			io::IOException,
			uno::Exception,
			uno::RuntimeException)
{
	RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObjectFactory::createInstanceInitFromEntry" );

	if ( !xStorage.is() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
											uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
											1 );

	if ( !sEntName.getLength() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
											uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
											2 );

	uno::Reference< container::XNameAccess > xNameAccess( xStorage, uno::UNO_QUERY );
	if ( !xNameAccess.is() )
		throw uno::RuntimeException(); //TODO

	// detect entry existence
	if ( !xNameAccess->hasByName( sEntName ) )
		throw container::NoSuchElementException();

	if ( !xStorage->isStreamElement( sEntName ) )
	{
		// if it is not an OLE object throw an exception
		throw io::IOException(); // TODO:
	}

	uno::Reference< uno::XInterface > xResult(
					static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xFactory, sal_False ) ),
					uno::UNO_QUERY );

	uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY );

	if ( !xPersist.is() )
		throw uno::RuntimeException(); // TODO: the interface must be supported by own document objects

	xPersist->setPersistentEntry( xStorage,
									sEntName,
									embed::EntryInitModes::DEFAULT_INIT,
									aMedDescr,
									lObjArgs );

    for ( sal_Int32 nInd = 0; nInd < lObjArgs.getLength(); nInd++ )
	{
        if ( lObjArgs[nInd].Name.equalsAscii( "CloneFrom" ) )
        {
            try
            {
                uno::Reference < embed::XEmbeddedObject > xObj;
                uno::Reference < embed::XEmbeddedObject > xNew( xResult, uno::UNO_QUERY );
                lObjArgs[nInd].Value >>= xObj;
                if ( xObj.is() )
                    xNew->setVisualAreaSize( embed::Aspects::MSOLE_CONTENT, xObj->getVisualAreaSize( embed::Aspects::MSOLE_CONTENT ) );
            }
            catch ( uno::Exception& ) {};
            break;
        }
    }

	return xResult;
}

//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceInitFromMediaDescriptor(
		const uno::Reference< embed::XStorage >& xStorage,
		const ::rtl::OUString& sEntName,
		const uno::Sequence< beans::PropertyValue >& aMediaDescr,
		const uno::Sequence< beans::PropertyValue >& lObjArgs )
	throw ( lang::IllegalArgumentException,
			io::IOException,
			uno::Exception,
			uno::RuntimeException)
{
	RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObjectFactory::createInstanceInitFromMediaDescriptor" );

	if ( !xStorage.is() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
											uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
											1 );

	if ( !sEntName.getLength() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
											uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
											2 );

	uno::Reference< uno::XInterface > xResult(
					static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xFactory, sal_False ) ),
					uno::UNO_QUERY );

	uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY );

	if ( !xPersist.is() )
		throw uno::RuntimeException(); // TODO: the interface must be supported ( what about applets? )

	xPersist->setPersistentEntry( xStorage,
									sEntName,
									embed::EntryInitModes::MEDIA_DESCRIPTOR_INIT,
									aMediaDescr,
									lObjArgs );

	return xResult;
}

//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceInitNew(
											const uno::Sequence< sal_Int8 >& aClassID,
											const ::rtl::OUString& aClassName,
											const uno::Reference< embed::XStorage >& xStorage,
											const ::rtl::OUString& sEntName,
											const uno::Sequence< beans::PropertyValue >& lObjArgs )
	throw ( lang::IllegalArgumentException,
			io::IOException,
			uno::Exception,
			uno::RuntimeException)
{
	RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObjectFactory::createInstanceInitNew" );

	if ( !xStorage.is() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
											uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
											3 );

	if ( !sEntName.getLength() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
											uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
											4 );

	uno::Reference< uno::XInterface > xResult(
					static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xFactory, aClassID, aClassName ) ),
					uno::UNO_QUERY );

	uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY );

	if ( !xPersist.is() )
		throw uno::RuntimeException(); // TODO: the interface must be supported by own document objects

	xPersist->setPersistentEntry( xStorage,
									sEntName,
									embed::EntryInitModes::TRUNCATE_INIT,
									uno::Sequence< beans::PropertyValue >(),
									lObjArgs );

	return xResult;
}

//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceLink(
											const uno::Reference< embed::XStorage >& xStorage,
											const ::rtl::OUString& sEntName,
											const uno::Sequence< beans::PropertyValue >& aMediaDescr,
											const uno::Sequence< beans::PropertyValue >& lObjArgs )
		throw ( lang::IllegalArgumentException,
				io::IOException,
				uno::Exception,
				uno::RuntimeException )
{
	RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObjectFactory::createInstanceLink" );

	if ( !xStorage.is() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
											uno::Reference< uno::XInterface >(
												static_cast< ::cppu::OWeakObject* >(this) ),
											1 );

	if ( !sEntName.getLength() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
											uno::Reference< uno::XInterface >(
												static_cast< ::cppu::OWeakObject* >(this) ),
											2 );

	uno::Reference< uno::XInterface > xResult(
				static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xFactory, sal_True ) ),
				uno::UNO_QUERY );

	uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY );

	if ( !xPersist.is() )
		throw uno::RuntimeException(); // TODO: the interface must be supported by own document objects

	xPersist->setPersistentEntry( xStorage,
									sEntName,
									embed::EntryInitModes::MEDIA_DESCRIPTOR_INIT,
									aMediaDescr,
									lObjArgs );

	return xResult;
}

//-------------------------------------------------------------------------
uno::Reference< uno::XInterface > SAL_CALL OleEmbeddedObjectFactory::createInstanceUserInit(
			const uno::Sequence< sal_Int8 >& aClassID,
			const ::rtl::OUString& aClassName,
			const uno::Reference< embed::XStorage >& xStorage,
			const ::rtl::OUString& sEntName,
			sal_Int32 /*nEntryConnectionMode*/,
			const uno::Sequence< beans::PropertyValue >& /*lArguments*/,
			const uno::Sequence< beans::PropertyValue >& lObjArgs )
	throw ( lang::IllegalArgumentException,
			io::IOException,
			uno::Exception,
			uno::RuntimeException )
{
	RTL_LOGFILE_CONTEXT( aLog, "embeddedobj (mv76033) OleEmbeddedObjectFactory::createInstanceUserInit" );

	// the initialization is completelly controlled by user
	if ( !xStorage.is() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "No parent storage is provided!\n" ),
											uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
											1 );

	if ( !sEntName.getLength() )
		throw lang::IllegalArgumentException( ::rtl::OUString::createFromAscii( "Empty element name is provided!\n" ),
											uno::Reference< uno::XInterface >( static_cast< ::cppu::OWeakObject* >(this) ),
											2 );

	uno::Reference< uno::XInterface > xResult(
				static_cast< ::cppu::OWeakObject* > ( new OleEmbeddedObject( m_xFactory, aClassID, aClassName ) ),
				uno::UNO_QUERY );

	uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY );
	if ( xPersist.is() )
	{
		xPersist->setPersistentEntry( xStorage,
									sEntName,
									embed::EntryInitModes::DEFAULT_INIT,
									uno::Sequence< beans::PropertyValue >(),
									lObjArgs );

	}
	else
		throw uno::RuntimeException(); // TODO:

	return xResult;
}

//-------------------------------------------------------------------------
::rtl::OUString SAL_CALL OleEmbeddedObjectFactory::getImplementationName()
	throw ( uno::RuntimeException )
{
	return impl_staticGetImplementationName();
}

//-------------------------------------------------------------------------
sal_Bool SAL_CALL OleEmbeddedObjectFactory::supportsService( const ::rtl::OUString& ServiceName )
	throw ( uno::RuntimeException )
{
	uno::Sequence< ::rtl::OUString > aSeq = impl_staticGetSupportedServiceNames();

	for ( sal_Int32 nInd = 0; nInd < aSeq.getLength(); nInd++ )
    	if ( ServiceName.compareTo( aSeq[nInd] ) == 0 )
        	return sal_True;

	return sal_False;
}

//-------------------------------------------------------------------------
uno::Sequence< ::rtl::OUString > SAL_CALL OleEmbeddedObjectFactory::getSupportedServiceNames()
	throw ( uno::RuntimeException )
{
	return impl_staticGetSupportedServiceNames();
}