/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * 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
 * under the License.
 * 
 *************************************************************/



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


#include <eeng_pch.hxx>

#include <eeobj.hxx>
#include <sot/exchange.hxx>
#include <sot/formats.hxx>
#include <editeng/editeng.hxx>
#include <svl/itempool.hxx>
#include <vos/mutex.hxx>
#include <vcl/svapp.hxx>
using namespace ::com::sun::star;


EditDataObject::EditDataObject()
{
}

EditDataObject::~EditDataObject()
{
}
		
// uno::XInterface
uno::Any EditDataObject::queryInterface( const uno::Type & rType ) throw(uno::RuntimeException)
{
	uno::Any aRet = ::cppu::queryInterface( rType, SAL_STATIC_CAST( datatransfer::XTransferable*, this ) );
	return (aRet.hasValue() ? aRet : OWeakObject::queryInterface( rType ));
}

// datatransfer::XTransferable
uno::Any EditDataObject::getTransferData( const datatransfer::DataFlavor& rFlavor ) throw(datatransfer::UnsupportedFlavorException, io::IOException, uno::RuntimeException)
{
	uno::Any aAny;

	sal_uLong nT = SotExchange::GetFormat( rFlavor );
	if ( nT == SOT_FORMAT_STRING )
	{
		aAny <<= (::rtl::OUString)GetString();
	}
	else if ( ( nT == SOT_FORMATSTR_ID_EDITENGINE ) || ( nT == SOT_FORMAT_RTF ) )
	{
        // MT 01/2002: No RTF on demand any more:
        // 1) Was not working, because I had to flush() the clipboard immediately anyway
        // 2) Don't have the old pool defaults and the StyleSheetPool here.

        SvMemoryStream* pStream = ( nT == SOT_FORMATSTR_ID_EDITENGINE ) ? &GetStream() : &GetRTFStream();
		pStream->Seek( STREAM_SEEK_TO_END );
		sal_uLong nLen = pStream->Tell();
		pStream->Seek(0);

		uno::Sequence< sal_Int8 > aSeq( nLen );
		memcpy( aSeq.getArray(), pStream->GetData(), nLen );
		aAny <<= aSeq;
	}
	else
	{
		datatransfer::UnsupportedFlavorException aException;
		throw( aException );
	}

	return aAny;
}

uno::Sequence< datatransfer::DataFlavor > EditDataObject::getTransferDataFlavors(  ) throw(uno::RuntimeException)
{
	uno::Sequence< datatransfer::DataFlavor > aDataFlavors(3);
	SotExchange::GetFormatDataFlavor( SOT_FORMATSTR_ID_EDITENGINE, aDataFlavors.getArray()[0] );
	SotExchange::GetFormatDataFlavor( SOT_FORMAT_STRING, aDataFlavors.getArray()[1] );
	SotExchange::GetFormatDataFlavor( SOT_FORMAT_RTF, aDataFlavors.getArray()[2] );

	return aDataFlavors;
}

sal_Bool EditDataObject::isDataFlavorSupported( const datatransfer::DataFlavor& rFlavor ) throw(uno::RuntimeException)
{
	sal_Bool bSupported = sal_False;

	sal_uLong nT = SotExchange::GetFormat( rFlavor );
	if ( ( nT == SOT_FORMAT_STRING ) || ( nT == SOT_FORMAT_RTF ) /* || ( nT == SOT_FORMAT_XML ) */ || ( nT == SOT_FORMATSTR_ID_EDITENGINE ) )
		bSupported = sal_True;

	return bSupported;
}