basic/source/runtime/ddectrl.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <tools/errcode.hxx>
  21 #include <svl/svdde.hxx>
  22 #include "ddectrl.hxx"
  23 #include <basic/sberrors.hxx>
  24
  25 #define DDE_FREECHANNEL (reinterpret_cast<DdeConnection*>(sal_IntPtr(-1)))
  26
  27 #define DDE_FIRSTERR    0x4000
  28 #define DDE_LASTERR     0x4011
  29
  30 static const SbError nDdeErrMap[] =
  31 {
  32     /* DMLERR_ADVACKTIMEOUT       */  0x4000, SbERR_DDE_TIMEOUT,
  33     /* DMLERR_BUSY                */  0x4001, SbERR_DDE_BUSY,
  34     /* DMLERR_DATAACKTIMEOUT      */  0x4002, SbERR_DDE_TIMEOUT,
  35     /* DMLERR_DLL_NOT_INITIALIZED */  0x4003, SbERR_DDE_ERROR,
  36     /* DMLERR_DLL_USAGE           */  0x4004, SbERR_DDE_ERROR,
  37     /* DMLERR_EXECACKTIMEOUT      */  0x4005, SbERR_DDE_TIMEOUT,
  38     /* DMLERR_INVALIDPARAMETER    */  0x4006, SbERR_DDE_ERROR,
  39     /* DMLERR_LOW_MEMORY          */  0x4007, SbERR_DDE_ERROR,
  40     /* DMLERR_MEMORY_ERROR        */  0x4008, SbERR_DDE_ERROR,
  41     /* DMLERR_NOTPROCESSED        */  0x4009, SbERR_DDE_NOTPROCESSED,
  42     /* DMLERR_NO_CONV_ESTABLISHED */  0x400a, SbERR_DDE_NO_CHANNEL,
  43     /* DMLERR_POKEACKTIMEOUT      */  0x400b, SbERR_DDE_TIMEOUT,
  44     /* DMLERR_POSTMSG_FAILED      */  0x400c, SbERR_DDE_QUEUE_OVERFLOW,
  45     /* DMLERR_REENTRANCY          */  0x400d, SbERR_DDE_ERROR,
  46     /* DMLERR_SERVER_DIED         */  0x400e, SbERR_DDE_PARTNER_QUIT,
  47     /* DMLERR_SYS_ERROR           */  0x400f, SbERR_DDE_ERROR,
  48     /* DMLERR_UNADVACKTIMEOUT     */  0x4010, SbERR_DDE_TIMEOUT,
  49     /* DMLERR_UNFOUND_QUEUE_ID    */  0x4011, SbERR_DDE_NO_CHANNEL
  50 };
  51
  52 SbError SbiDdeControl::GetLastErr( DdeConnection* pConv )
  53 {
  54     if( !pConv )
  55     {
  56         return 0;
  57     }
  58     long nErr = pConv->GetError();
  59     if( !nErr )
  60     {
  61         return 0;
  62     }
  63     if( nErr < DDE_FIRSTERR || nErr > DDE_LASTERR )
  64     {
  65         return SbERR_DDE_ERROR;
  66     }
  67     return nDdeErrMap[ 2 * (nErr - DDE_FIRSTERR) + 1 ];
  68 }
  69
  70 IMPL_LINK( SbiDdeControl,Data , DdeData*, pData )
  71 {
  72     aData = OUString::createFromAscii( static_cast<const char*>((const void*)*pData) );
  73     return 1;
  74 }
  75
  76 SbiDdeControl::SbiDdeControl()
  77 {
  78 }
  79
  80 SbiDdeControl::~SbiDdeControl()
  81 {
  82     TerminateAll();
  83 }
  84
  85 size_t SbiDdeControl::GetFreeChannel()
  86 {
  87     size_t nChannel = 0;
  88     size_t nListSize = aConvList.size();
  89
  90     for (; nChannel < nListSize; ++nChannel)
  91     {
  92         if (aConvList[nChannel] == DDE_FREECHANNEL)
  93         {
  94             return nChannel+1;
  95         }
  96     }
  97
  98     aConvList.push_back(DDE_FREECHANNEL);
  99     return nChannel+1;
 100 }
 101
 102 SbError SbiDdeControl::Initiate( const OUString& rService, const OUString& rTopic,
 103                                  size_t& rnHandle )
 104 {
 105     SbError nErr;
 106     DdeConnection* pConv = new DdeConnection( rService, rTopic );
 107     nErr = GetLastErr( pConv );
 108     if( nErr )
 109     {
 110         delete pConv;
 111         rnHandle = 0;
 112     }
 113     else
 114     {
 115         size_t nChannel = GetFreeChannel();
 116         aConvList[nChannel-1] = pConv;
 117         rnHandle = nChannel;
 118     }
 119     return 0;
 120 }
 121
 122 SbError SbiDdeControl::Terminate( size_t nChannel )
 123 {
 124     if (!nChannel || nChannel > aConvList.size())
 125     {
 126         return SbERR_DDE_NO_CHANNEL;
 127     }
 128     DdeConnection* pConv = aConvList[nChannel-1];
 129
 130     if( pConv == DDE_FREECHANNEL )
 131     {
 132         return SbERR_DDE_NO_CHANNEL;
 133     }
 134     delete pConv;
 135     aConvList[nChannel-1] = DDE_FREECHANNEL;
 136
 137     return 0L;
 138 }
 139
 140 SbError SbiDdeControl::TerminateAll()
 141 {
 142     for (size_t nChannel = 0; nChannel < aConvList.size(); ++nChannel)
 143     {
 144         DdeConnection *conv = aConvList[nChannel];
 145
 146         if (conv != DDE_FREECHANNEL)
 147         {
 148             delete conv;
 149         }
 150     }
 151
 152     aConvList.clear();
 153
 154     return 0;
 155 }
 156
 157 SbError SbiDdeControl::Request( size_t nChannel, const OUString& rItem, OUString& rResult )
 158 {
 159     if (!nChannel || nChannel > aConvList.size())
 160     {
 161         return SbERR_DDE_NO_CHANNEL;
 162     }
 163
 164     DdeConnection* pConv = aConvList[nChannel-1];
 165
 166     if( pConv == DDE_FREECHANNEL )
 167     {
 168         return SbERR_DDE_NO_CHANNEL;
 169     }
 170
 171     DdeRequest aRequest( *pConv, rItem, 30000 );
 172     aRequest.SetDataHdl( LINK( this, SbiDdeControl, Data ) );
 173     aRequest.Execute();
 174     rResult = aData;
 175     return GetLastErr( pConv );
 176 }
 177
 178 SbError SbiDdeControl::Execute( size_t nChannel, const OUString& rCommand )
 179 {
 180     if (!nChannel || nChannel > aConvList.size())
 181     {
 182         return SbERR_DDE_NO_CHANNEL;
 183     }
 184
 185     DdeConnection* pConv = aConvList[nChannel-1];
 186
 187     if( pConv == DDE_FREECHANNEL )
 188     {
 189         return SbERR_DDE_NO_CHANNEL;
 190     }
 191     DdeExecute aRequest( *pConv, rCommand, 30000 );
 192     aRequest.Execute();
 193     return GetLastErr( pConv );
 194 }
 195
 196 SbError SbiDdeControl::Poke( size_t nChannel, const OUString& rItem, const OUString& rData )
 197 {
 198     if (!nChannel || nChannel > aConvList.size())
 199     {
 200         return SbERR_DDE_NO_CHANNEL;
 201     }
 202     DdeConnection* pConv = aConvList[nChannel-1];
 203
 204     if( pConv == DDE_FREECHANNEL )
 205     {
 206         return SbERR_DDE_NO_CHANNEL;
 207     }
 208     DdePoke aRequest( *pConv, rItem, DdeData(rData), 30000 );
 209     aRequest.Execute();
 210     return GetLastErr( pConv );
 211 }
 212
 213
 214 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */