/**************************************************************
 * 
 * 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.
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 *************************************************************/


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

#include "com/sun/star/lang/XServiceInfo.hpp"
#include "com/sun/star/util/XStringMapping.hpp"

#include "cppuhelper/implbase2.hxx"
#include "rtl/ustrbuf.hxx"
#include "vcl/svapp.hxx"

using ::rtl::OUString;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::util;

// -----------------------------------------------------------------------

namespace vcl
{

class StringMirror : public ::cppu::WeakAggImplHelper2< XStringMapping, XServiceInfo >
{
public:
    StringMirror()
    {}
    
    virtual ~StringMirror()
    {}
    
    // XServiceInfo
    virtual OUString SAL_CALL getImplementationName(  ) throw (RuntimeException);
    virtual ::sal_Bool SAL_CALL supportsService( const OUString& ) throw (RuntimeException);
    virtual Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (RuntimeException);

    // XStringMapping
    virtual sal_Bool SAL_CALL mapStrings( Sequence< OUString >& io_rStrings ) throw (RuntimeException)
    {
        sal_Int32 nItems = io_rStrings.getLength();
        for( sal_Int32 n = 0; n < nItems; n++ )
        {
            rtl::OUString& rStr( io_rStrings.getArray()[n] );
            
            sal_Int32 nLen = rStr.getLength();
            rtl::OUStringBuffer aMirror( nLen );
            for(sal_Int32 i = nLen - 1; i >= 0; i--)
            {
                sal_Unicode cChar = rStr[ i ];
                aMirror.append(sal_Unicode(GetMirroredChar(cChar)));
            }
            rStr = aMirror.makeStringAndClear();
        }
        return sal_True;
    }
};

Sequence< OUString > StringMirror_getSupportedServiceNames()
{
	static OUString aServiceName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.awt.StringMirror" ) );
	static Sequence< OUString > aServiceNames( &aServiceName, 1 );
	return aServiceNames;
}

OUString StringMirror_getImplementationName()
{
	return OUString( RTL_CONSTASCII_USTRINGPARAM( "vcl::StringMirror" ) );
}

Reference< XInterface > SAL_CALL StringMirror_createInstance( const Reference< XMultiServiceFactory >&  )
{
	return static_cast< ::cppu::OWeakObject * >( new StringMirror );
}


// XServiceInfo
OUString SAL_CALL StringMirror::getImplementationName() throw (RuntimeException)
{
	return StringMirror_getImplementationName();
}

sal_Bool SAL_CALL StringMirror::supportsService( const OUString& i_rServiceName ) throw (RuntimeException)
{
	Sequence< OUString > aSN( StringMirror_getSupportedServiceNames() );
	for( sal_Int32 nService = 0; nService < aSN.getLength(); nService++ )
	{
		if( aSN[nService] == i_rServiceName )
			return sal_True;
	}
	return sal_False;
}

Sequence< OUString > SAL_CALL StringMirror::getSupportedServiceNames() throw (RuntimeException)
{
	return StringMirror_getSupportedServiceNames();
}

} // namespace vcl