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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ddectrl.cxx,v $
* $Revision: 1.6 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basic.hxx"
#include <tools/errcode.hxx>
#include <svl/svdde.hxx>
#include "ddectrl.hxx"
#ifndef _SBERRORS_HXX
#include <basic/sberrors.hxx>
#endif
#define DDE_FREECHANNEL ((DdeConnection*)0xffffffff)
#define DDE_FIRSTERR 0x4000
#define DDE_LASTERR 0x4011
static const SbError nDdeErrMap[] =
{
/* DMLERR_ADVACKTIMEOUT */ 0x4000, SbERR_DDE_TIMEOUT,
/* DMLERR_BUSY */ 0x4001, SbERR_DDE_BUSY,
/* DMLERR_DATAACKTIMEOUT */ 0x4002, SbERR_DDE_TIMEOUT,
/* DMLERR_DLL_NOT_INITIALIZED */ 0x4003, SbERR_DDE_ERROR,
/* DMLERR_DLL_USAGE */ 0x4004, SbERR_DDE_ERROR,
/* DMLERR_EXECACKTIMEOUT */ 0x4005, SbERR_DDE_TIMEOUT,
/* DMLERR_INVALIDPARAMETER */ 0x4006, SbERR_DDE_ERROR,
/* DMLERR_LOW_MEMORY */ 0x4007, SbERR_DDE_ERROR,
/* DMLERR_MEMORY_ERROR */ 0x4008, SbERR_DDE_ERROR,
/* DMLERR_NOTPROCESSED */ 0x4009, SbERR_DDE_NOTPROCESSED,
/* DMLERR_NO_CONV_ESTABLISHED */ 0x400a, SbERR_DDE_NO_CHANNEL,
/* DMLERR_POKEACKTIMEOUT */ 0x400b, SbERR_DDE_TIMEOUT,
/* DMLERR_POSTMSG_FAILED */ 0x400c, SbERR_DDE_QUEUE_OVERFLOW,
/* DMLERR_REENTRANCY */ 0x400d, SbERR_DDE_ERROR,
/* DMLERR_SERVER_DIED */ 0x400e, SbERR_DDE_PARTNER_QUIT,
/* DMLERR_SYS_ERROR */ 0x400f, SbERR_DDE_ERROR,
/* DMLERR_UNADVACKTIMEOUT */ 0x4010, SbERR_DDE_TIMEOUT,
/* DMLERR_UNFOUND_QUEUE_ID */ 0x4011, SbERR_DDE_NO_CHANNEL
};
SbError SbiDdeControl::GetLastErr( DdeConnection* pConv )
{
if( !pConv )
return 0;
long nErr = pConv->GetError();
if( !nErr )
return 0;
if( nErr < DDE_FIRSTERR || nErr > DDE_LASTERR )
return SbERR_DDE_ERROR;
return nDdeErrMap[ 2*(nErr - DDE_FIRSTERR) + 1 ];
}
IMPL_LINK_INLINE( SbiDdeControl,Data , DdeData*, pData,
{
aData = String::CreateFromAscii( (char*)(const void*)*pData );
return 1;
}
)
SbiDdeControl::SbiDdeControl()
{
pConvList = new DdeConnections;
DdeConnection* pPtr = DDE_FREECHANNEL;
pConvList->Insert( pPtr );
}
SbiDdeControl::~SbiDdeControl()
{
TerminateAll();
delete pConvList;
}
INT16 SbiDdeControl::GetFreeChannel()
{
INT16 nListSize = (INT16)pConvList->Count();
DdeConnection* pPtr = pConvList->First();
pPtr = pConvList->Next(); // nullten eintrag ueberspringen
INT16 nChannel;
for( nChannel = 1; nChannel < nListSize; nChannel++ )
{
if( pPtr == DDE_FREECHANNEL )
return nChannel;
pPtr = pConvList->Next();
}
pPtr = DDE_FREECHANNEL;
pConvList->Insert( pPtr, LIST_APPEND );
return nChannel;
}
SbError SbiDdeControl::Initiate( const String& rService, const String& rTopic,
INT16& rnHandle )
{
SbError nErr;
DdeConnection* pConv = new DdeConnection( rService, rTopic );
nErr = GetLastErr( pConv );
if( nErr )
{
delete pConv;
rnHandle = 0;
}
else
{
INT16 nChannel = GetFreeChannel();
pConvList->Replace( pConv, (ULONG)nChannel );
rnHandle = nChannel;
}
return 0;
}
SbError SbiDdeControl::Terminate( INT16 nChannel )
{
DdeConnection* pConv = pConvList->GetObject( (ULONG)nChannel );
if( !nChannel || !pConv || pConv == DDE_FREECHANNEL )
return SbERR_DDE_NO_CHANNEL;
pConvList->Replace( DDE_FREECHANNEL, (ULONG)nChannel );
delete pConv;
return 0L;
}
SbError SbiDdeControl::TerminateAll()
{
INT16 nChannel = (INT16)pConvList->Count();
while( nChannel )
{
nChannel--;
Terminate( nChannel );
}
pConvList->Clear();
DdeConnection* pPtr = DDE_FREECHANNEL;
pConvList->Insert( pPtr );
return 0;
}
SbError SbiDdeControl::Request( INT16 nChannel, const String& rItem, String& rResult )
{
DdeConnection* pConv = pConvList->GetObject( (ULONG)nChannel );
if( !nChannel || !pConv || pConv == DDE_FREECHANNEL )
return SbERR_DDE_NO_CHANNEL;
DdeRequest aRequest( *pConv, rItem, 30000 );
aRequest.SetDataHdl( LINK( this, SbiDdeControl, Data ) );
aRequest.Execute();
rResult = aData;
return GetLastErr( pConv );
}
SbError SbiDdeControl::Execute( INT16 nChannel, const String& rCommand )
{
DdeConnection* pConv = pConvList->GetObject( (ULONG)nChannel );
if( !nChannel || !pConv || pConv == DDE_FREECHANNEL )
return SbERR_DDE_NO_CHANNEL;
DdeExecute aRequest( *pConv, rCommand, 30000 );
aRequest.Execute();
return GetLastErr( pConv );
}
SbError SbiDdeControl::Poke( INT16 nChannel, const String& rItem, const String& rData )
{
DdeConnection* pConv = pConvList->GetObject( (ULONG)nChannel );
if( !nChannel || !pConv || pConv == DDE_FREECHANNEL )
return SbERR_DDE_NO_CHANNEL;
DdePoke aRequest( *pConv, rItem, DdeData(rData), 30000 );
aRequest.Execute();
return GetLastErr( pConv );
}
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