/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
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 * version 3 along with OpenOffice.org.  If not, see
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#include <set>
#include <map>
#include <comphelper/processfactory.hxx>
#include <comphelper/string.hxx>

#include <vcl/stdtext.hxx>

#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/plugin/PluginDescription.hpp>
#include <com/sun/star/plugin/XPluginManager.hpp>

using namespace std;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::plugin;

struct ltstr
{
    bool operator()( const String& s1, const String& s2 ) const
    {
        return ( s1.CompareTo( s2 ) == COMPARE_LESS );
    }
};

typedef set< String, ltstr > StrSet;
typedef map< String, StrSet, ltstr > FilterMap;


//==================================================================================================
void fillNetscapePluginFilters( Sequence< rtl::OUString >& rPluginNames, Sequence< rtl::OUString >& rPluginTypes )
{
    Reference< XMultiServiceFactory > xMan( ::comphelper::getProcessServiceFactory() );
    Reference< XPluginManager > xPMgr( xMan->createInstance(
        rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.plugin.PluginManager") ) ), UNO_QUERY );

    if ( xPMgr.is() )
    {
        FilterMap aMap;

        // sum up the mimetypes: one description, multiple extensions

        Sequence<PluginDescription > aDescriptions( xPMgr->getPluginDescriptions() );
        const PluginDescription * pDescriptions = aDescriptions.getConstArray();
        for ( sal_uInt32 nPos = aDescriptions.getLength(); nPos--; )
        {
            const PluginDescription & rDescr = pDescriptions[nPos];

            StrSet& rTypes = aMap[ rDescr.Description ];
            String aExtension( rDescr.Extension );

            for ( sal_uInt16 nCnt = comphelper::string::getTokenCount(aExtension,  ';'); nCnt--; )
            {
                // no default plugins anymore
                String aExt( aExtension.GetToken( nCnt, ';' ) );
                if ( aExt.CompareToAscii( "*.*" ) != COMPARE_EQUAL )
                    rTypes.insert( aExt );
            }
        }

        rPluginNames = Sequence< rtl::OUString >( aMap.size() );
        rPluginTypes = Sequence< rtl::OUString >( aMap.size() );
        rtl::OUString* pPluginNames = rPluginNames.getArray();
        rtl::OUString* pPluginTypes = rPluginTypes.getArray();
        int nIndex = 0;
        for ( FilterMap::iterator iPos = aMap.begin(); iPos != aMap.end(); ++iPos )
        {
            String aText( (*iPos).first );
            String aType;
            StrSet& rTypes = (*iPos).second;
            StrSet::iterator i = rTypes.begin();
            while ( i != rTypes.end() )
            {
                aType += (*i);
                ++i;
                if ( i != rTypes.end() )
                    aType += ';';
            }

            if ( aType.Len() )
            {
                aText += String::CreateFromAscii( " (" );
                aText += aType;
                aText += ')';
                pPluginNames[nIndex] = aText;
                pPluginTypes[nIndex] = aType;
                nIndex++;
            }
        }
        rPluginNames.realloc( nIndex );
        rPluginTypes.realloc( nIndex );
    }
    else
        ShowServiceNotAvailableError( NULL,
            String::CreateFromAscii( RTL_CONSTASCII_STRINGPARAM( "com.sun.star.plugin.PluginManager" ) ), sal_True );
}

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