/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: kdecommonlayer.cxx,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: ihi $ $Date: 2006-08-01 10:25:57 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef KDECOMMONLAYER_HXX_
#include "kdecommonlayer.hxx"
#endif

#ifndef INCLUDED_VCL_KDE_HEADERS_H
#include <vcl/kde_headers.h>
#endif

#ifndef _COM_SUN_STAR_CONFIGURATION_BACKEND_PROPERTYINFO_HPP_
#include <com/sun/star/configuration/backend/PropertyInfo.hpp>
#endif
#ifndef _COM_SUN_STAR_CONFIGURATION_BACKEND_XLAYERCONTENTDESCIBER_HPP_
#include <com/sun/star/configuration/backend/XLayerContentDescriber.hpp>
#endif

#ifndef _COM_SUN_STAR_UNO_SEQUENCE_HXX_
#include <com/sun/star/uno/Sequence.hxx>
#endif

#define SPACE      ' '

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

KDECommonLayer::KDECommonLayer(const uno::Reference<uno::XComponentContext>& xContext)
{
    //Create instance of LayerContentDescriber Service
    rtl::OUString const k_sLayerDescriberService(RTL_CONSTASCII_USTRINGPARAM(
        "com.sun.star.comp.configuration.backend.LayerDescriber"));

    typedef uno::Reference<backend::XLayerContentDescriber> LayerDescriber;
    uno::Reference< lang::XMultiComponentFactory > xServiceManager = xContext->getServiceManager();
    if( xServiceManager.is() )
    {
        m_xLayerContentDescriber = LayerDescriber::query(
            xServiceManager->createInstanceWithContext(k_sLayerDescriberService, xContext));
    }
    else
    {
        OSL_TRACE("Could not retrieve ServiceManager");
    }
}

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

void SAL_CALL KDECommonLayer::readData( const uno::Reference<backend::XLayerHandler>& xHandler)
    throw ( backend::MalformedDataException, lang::NullPointerException,
            lang::WrappedTargetException, uno::RuntimeException)
{
    if( ! m_xLayerContentDescriber.is() )
    {
        throw uno::RuntimeException( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(
            "Could not create com.sun.star.configuration.backend.LayerContentDescriber Service"
        ) ), static_cast < backend::XLayer * > (this) );
    }

    uno::Sequence<backend::PropertyInfo> aPropInfoList(1);
    sal_Int32 nProperties = 0;

    KEMailSettings aEmailSettings;
    QString aClientProgram;
    ::rtl::OUString sClientProgram;

    aClientProgram = aEmailSettings.getSetting( KEMailSettings::ClientProgram );
    if ( aClientProgram.isEmpty() )
        aClientProgram = "kmail";
    else
        aClientProgram = aClientProgram.section(SPACE, 0, 0);
    sClientProgram = (const sal_Unicode *) aClientProgram.ucs2();

    aPropInfoList[nProperties].Name = rtl::OUString(
        RTL_CONSTASCII_USTRINGPARAM( "org.openoffice.Office.Common/ExternalMailer/Program") );
    aPropInfoList[nProperties].Type = rtl::OUString(
        RTL_CONSTASCII_USTRINGPARAM( "string" ) );
    aPropInfoList[nProperties].Protected = sal_False;
    aPropInfoList[nProperties++].Value = uno::makeAny( sClientProgram );

    if( nProperties > 0 )
    {
        aPropInfoList.realloc(nProperties);
        m_xLayerContentDescriber->describeLayer(xHandler, aPropInfoList);
    }
}

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

rtl::OUString SAL_CALL KDECommonLayer::getTimestamp(void)
    throw (uno::RuntimeException)
{
    // Return the value as timestamp to avoid regenerating the binary cache
    // on each office launch.

    ::rtl::OUString sTimeStamp,
                    sep( RTL_CONSTASCII_USTRINGPARAM( "$" ) );

    KEMailSettings aEmailSettings;
    QString aClientProgram = aEmailSettings.getSetting( KEMailSettings::ClientProgram );
    aClientProgram = aClientProgram.section(SPACE, 0, 0);

    sTimeStamp = (const sal_Unicode *) aClientProgram.ucs2();

    return sTimeStamp;
}