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

#if OSL_DEBUG_LEVEL > 1
#include <stdio.h>
#endif

#include <X11_transferable.hxx>
#include <X11/Xatom.h>
#include <com/sun/star/io/IOException.hpp>

using namespace com::sun::star::datatransfer;
using namespace com::sun::star::lang;
using namespace com::sun::star::io;
using namespace com::sun::star::uno;
using namespace cppu;
using namespace osl;
using namespace rtl;


using namespace x11;


X11Transferable::X11Transferable(
	SelectionManager& rManager,
	const Reference< XInterface >& xCreator,
	Atom selection
	) :
		m_rManager( rManager ),
		m_xCreator( xCreator ),
		m_aSelection( selection )
{
}

//==================================================================================================

X11Transferable::~X11Transferable()
{
}

//==================================================================================================

Any SAL_CALL X11Transferable::getTransferData( const DataFlavor& rFlavor )
    throw(UnsupportedFlavorException, IOException, RuntimeException)
{
	Any aRet;
	Sequence< sal_Int8 > aData;
	bool bSuccess = m_rManager.getPasteData( m_aSelection ? m_aSelection : XA_PRIMARY, rFlavor.MimeType, aData );
	if( ! bSuccess && m_aSelection == 0 )
		bSuccess = m_rManager.getPasteData( m_rManager.getAtom( OUString::createFromAscii( "CLIPBOARD" ) ), rFlavor.MimeType, aData );

	if( ! bSuccess )
	{
		throw UnsupportedFlavorException( rFlavor.MimeType, static_cast < XTransferable * > ( this ) );
	}
	if( rFlavor.MimeType.equalsIgnoreAsciiCase( OUString::createFromAscii( "text/plain;charset=utf-16" ) ) )
	{
		int nLen = aData.getLength()/2;
		if( ((sal_Unicode*)aData.getConstArray())[nLen-1] == 0 )
			nLen--;
		OUString aString( (sal_Unicode*)aData.getConstArray(), nLen );
#if OSL_DEBUG_LEVEL > 1
	fprintf( stderr, "X11Transferable::getTransferData( \"%s\" )\n -> \"%s\"\n",
			 OUStringToOString( rFlavor.MimeType, RTL_TEXTENCODING_ISO_8859_1 ).getStr(),
			 OUStringToOString( aString, RTL_TEXTENCODING_ISO_8859_1 ).getStr() );
#endif
		aRet <<= aString;
	}
	else
		aRet <<= aData;
	return aRet;
}

//==================================================================================================

Sequence< DataFlavor > SAL_CALL X11Transferable::getTransferDataFlavors()
    throw(RuntimeException)
{
	Sequence< DataFlavor > aFlavorList;
	bool bSuccess = m_rManager.getPasteDataTypes( m_aSelection ? m_aSelection : XA_PRIMARY, aFlavorList );
	if( ! bSuccess && m_aSelection == 0 )
		bSuccess = m_rManager.getPasteDataTypes( m_rManager.getAtom( OUString::createFromAscii( "CLIPBOARD" ) ), aFlavorList );

	return aFlavorList;
}

//==================================================================================================

sal_Bool SAL_CALL X11Transferable::isDataFlavorSupported( const DataFlavor& aFlavor )
    throw(RuntimeException)
{
	if( aFlavor.DataType != getCppuType( (Sequence< sal_Int8 >*)0 ) )
	{
		if( ! aFlavor.MimeType.equalsIgnoreAsciiCase( OUString::createFromAscii( "text/plain;charset=utf-16" ) ) &&
			aFlavor.DataType == getCppuType( (OUString*)0 ) )
			return false;
	}

	Sequence< DataFlavor > aFlavors( getTransferDataFlavors() );
	for( int i = 0; i < aFlavors.getLength(); i++ )
		if( aFlavor.MimeType.equalsIgnoreAsciiCase( aFlavors.getConstArray()[i].MimeType ) &&
			aFlavor.DataType == aFlavors.getConstArray()[i].DataType )
			return sal_True;

	return sal_False;
}