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 ((DdeConnection*)0xffffffff)
  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_INLINE( SbiDdeControl,Data , DdeData*, pData,
  71 {
  72     aData = OUString::createFromAscii( (const char*)(const void*)*pData );
  73     return 1;
  74 }
  75 )
  76
  77 SbiDdeControl::SbiDdeControl()
  78 {
  79 }
  80
  81 SbiDdeControl::~SbiDdeControl()
  82 {
  83     TerminateAll();
  84 }
  85
  86 size_t SbiDdeControl::GetFreeChannel()
  87 {
  88     size_t nChannel = 0;
  89     size_t nListSize = aConvList.size();
  90
  91     for (; nChannel < nListSize; ++nChannel)
  92     {
  93         if (aConvList[nChannel] == DDE_FREECHANNEL)
  94         {
  95             return nChannel+1;
  96         }
  97     }
  98
  99     aConvList.push_back(DDE_FREECHANNEL);
 100     return nChannel+1;
 101 }
 102
 103 SbError SbiDdeControl::Initiate( const OUString& rService, const OUString& rTopic,
 104                                  size_t& rnHandle )
 105 {
 106     SbError nErr;
 107     DdeConnection* pConv = new DdeConnection( rService, rTopic );
 108     nErr = GetLastErr( pConv );
 109     if( nErr )
 110     {
 111         delete pConv;
 112         rnHandle = 0;
 113     }
 114     else
 115     {
 116         size_t nChannel = GetFreeChannel();
 117         aConvList[nChannel-1] = pConv;
 118         rnHandle = nChannel;
 119     }
 120     return 0;
 121 }
 122
 123 SbError SbiDdeControl::Terminate( size_t nChannel )
 124 {
 125     if (!nChannel || nChannel > aConvList.size())
 126     {
 127         return SbERR_DDE_NO_CHANNEL;
 128     }
 129     DdeConnection* pConv = aConvList[nChannel-1];
 130
 131     if( pConv == DDE_FREECHANNEL )
 132     {
 133         return SbERR_DDE_NO_CHANNEL;
 134     }
 135     delete pConv;
 136     pConv = DDE_FREECHANNEL;
 137
 138     return 0L;
 139 }
 140
 141 SbError SbiDdeControl::TerminateAll()
 142 {
 143     DdeConnection *conv;
 144     for (size_t nChannel = 0; nChannel < aConvList.size(); ++nChannel)
 145     {
 146         conv = aConvList[nChannel];
 147
 148         if (conv != DDE_FREECHANNEL)
 149         {
 150             delete conv;
 151         }
 152     }
 153
 154     aConvList.clear();
 155
 156     return 0;
 157 }
 158
 159 SbError SbiDdeControl::Request( size_t nChannel, const OUString& rItem, OUString& rResult )
 160 {
 161     if (!nChannel || nChannel > aConvList.size())
 162     {
 163         return SbERR_DDE_NO_CHANNEL;
 164     }
 165
 166     DdeConnection* pConv = aConvList[nChannel-1];
 167
 168     if( pConv == DDE_FREECHANNEL )
 169     {
 170         return SbERR_DDE_NO_CHANNEL;
 171     }
 172
 173     DdeRequest aRequest( *pConv, rItem, 30000 );
 174     aRequest.SetDataHdl( LINK( this, SbiDdeControl, Data ) );
 175     aRequest.Execute();
 176     rResult = aData;
 177     return GetLastErr( pConv );
 178 }
 179
 180 SbError SbiDdeControl::Execute( size_t nChannel, const OUString& rCommand )
 181 {
 182     if (!nChannel || nChannel > aConvList.size())
 183     {
 184         return SbERR_DDE_NO_CHANNEL;
 185     }
 186
 187     DdeConnection* pConv = aConvList[nChannel-1];
 188
 189     if( pConv == DDE_FREECHANNEL )
 190     {
 191         return SbERR_DDE_NO_CHANNEL;
 192     }
 193     DdeExecute aRequest( *pConv, rCommand, 30000 );
 194     aRequest.Execute();
 195     return GetLastErr( pConv );
 196 }
 197
 198 SbError SbiDdeControl::Poke( size_t nChannel, const OUString& rItem, const OUString& rData )
 199 {
 200     if (!nChannel || nChannel > aConvList.size())
 201     {
 202         return SbERR_DDE_NO_CHANNEL;
 203     }
 204     DdeConnection* pConv = aConvList[nChannel-1];
 205
 206     if( pConv == DDE_FREECHANNEL )
 207     {
 208         return SbERR_DDE_NO_CHANNEL;
 209     }
 210     DdePoke aRequest( *pConv, rItem, DdeData(rData), 30000 );
 211     aRequest.Execute();
 212     return GetLastErr( pConv );
 213 }
 214
 215
 216 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */