sc/source/ui/docshell/documentlinkmgr.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 <documentlinkmgr.hxx>
  21 #include <datastream.hxx>
  22 #include <ddelink.hxx>
  23 #include <sc.hrc>
  24 #include <scresid.hxx>
  25
  26 #include <svx/svdoole2.hxx>
  27 #include <vcl/layout.hxx>
  28
  29 #include <memory>
  30
  31 namespace sc {
  32
  33 struct DocumentLinkManagerImpl
  34 {
  35     SfxObjectShell* mpShell;
  36     std::unique_ptr<DataStream> mpDataStream;
  37     std::unique_ptr<sfx2::LinkManager> mpLinkManager;
  38
  39     DocumentLinkManagerImpl(const DocumentLinkManagerImpl&) = delete;
  40     const DocumentLinkManagerImpl& operator=(const DocumentLinkManagerImpl&) = delete;
  41
  42     explicit DocumentLinkManagerImpl(SfxObjectShell* pShell)
  43         : mpShell(pShell), mpDataStream(nullptr), mpLinkManager(nullptr) {}
  44
  45     ~DocumentLinkManagerImpl()
  46     {
  47         // Shared base links
  48         if (mpLinkManager)
  49         {
  50             sfx2::SvLinkSources aTemp = mpLinkManager->GetServers();
  51             for (sfx2::SvLinkSources::const_iterator it = aTemp.begin(); it != aTemp.end(); ++it)
  52                 (*it)->Closed();
  53
  54             if (!mpLinkManager->GetLinks().empty())
  55                 mpLinkManager->Remove(0, mpLinkManager->GetLinks().size());
  56         }
  57     }
  58 };
  59
  60 DocumentLinkManager::DocumentLinkManager( SfxObjectShell* pShell ) :
  61     mpImpl(new DocumentLinkManagerImpl(pShell)) {}
  62
  63 DocumentLinkManager::~DocumentLinkManager()
  64 {
  65 }
  66
  67 void DocumentLinkManager::setDataStream( DataStream* p )
  68 {
  69     mpImpl->mpDataStream.reset(p);
  70 }
  71
  72 DataStream* DocumentLinkManager::getDataStream()
  73 {
  74     return mpImpl->mpDataStream.get();
  75 }
  76
  77 const DataStream* DocumentLinkManager::getDataStream() const
  78 {
  79     return mpImpl->mpDataStream.get();
  80 }
  81
  82 sfx2::LinkManager* DocumentLinkManager::getLinkManager( bool bCreate )
  83 {
  84     if (!mpImpl->mpLinkManager && bCreate && mpImpl->mpShell)
  85         mpImpl->mpLinkManager.reset(new sfx2::LinkManager(mpImpl->mpShell));
  86     return mpImpl->mpLinkManager.get();
  87 }
  88
  89 const sfx2::LinkManager* DocumentLinkManager::getExistingLinkManager() const
  90 {
  91     return mpImpl->mpLinkManager.get();
  92 }
  93
  94 bool DocumentLinkManager::idleCheckLinks()
  95 {
  96     if (!mpImpl->mpLinkManager)
  97         return false;
  98
  99     bool bAnyLeft = false;
 100     const sfx2::SvBaseLinks& rLinks = mpImpl->mpLinkManager->GetLinks();
 101     for (const auto & rLink : rLinks)
 102     {
 103         sfx2::SvBaseLink* pBase = rLink.get();
 104         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 105         if (!pDdeLink || !pDdeLink->NeedsUpdate())
 106             continue;
 107
 108         pDdeLink->TryUpdate();
 109         if (pDdeLink->NeedsUpdate()) // Was not successful?
 110             bAnyLeft = true;
 111     }
 112
 113     return bAnyLeft;
 114 }
 115
 116 bool DocumentLinkManager::hasDdeLinks() const
 117 {
 118     return hasDdeOrOleLinks(true, false);
 119 }
 120
 121 bool DocumentLinkManager::hasDdeOrOleLinks() const
 122 {
 123     return hasDdeOrOleLinks(true, true);
 124 }
 125
 126 bool DocumentLinkManager::hasDdeOrOleLinks(bool bDde, bool bOle) const
 127 {
 128     if (!mpImpl->mpLinkManager)
 129         return false;
 130
 131     const sfx2::SvBaseLinks& rLinks = mpImpl->mpLinkManager->GetLinks();
 132     for (const auto & rLink : rLinks)
 133     {
 134         sfx2::SvBaseLink* pBase = rLink.get();
 135         if (bDde && dynamic_cast<ScDdeLink*>(pBase))
 136             return true;
 137         if (bOle && dynamic_cast<SdrEmbedObjectLink*>(pBase))
 138             return true;
 139     }
 140
 141     return false;
 142 }
 143
 144 bool DocumentLinkManager::updateDdeOrOleLinks( vcl::Window* pWin )
 145 {
 146     if (!mpImpl->mpLinkManager)
 147         return false;
 148
 149     sfx2::LinkManager* pMgr = mpImpl->mpLinkManager.get();
 150     const sfx2::SvBaseLinks& rLinks = pMgr->GetLinks();
 151
 152     // If the update takes longer, reset all values so that nothing
 153     // old (wrong) is left behind
 154     bool bAny = false;
 155     for (const auto & rLink : rLinks)
 156     {
 157         sfx2::SvBaseLink* pBase = rLink.get();
 158
 159         SdrEmbedObjectLink* pOleLink = dynamic_cast<SdrEmbedObjectLink*>(pBase);
 160         if (pOleLink)
 161         {
 162             pOleLink->Update();
 163             continue;
 164         }
 165
 166         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 167         if (!pDdeLink)
 168             continue;
 169
 170         if (pDdeLink->Update())
 171             bAny = true;
 172         else
 173         {
 174             // Update failed.  Notify the user.
 175             OUString aFile = pDdeLink->GetTopic();
 176             OUString aElem = pDdeLink->GetItem();
 177             OUString aType = pDdeLink->GetAppl();
 178
 179             OUStringBuffer aBuf;
 180             aBuf.append(OUString(ScResId(SCSTR_DDEDOC_NOT_LOADED)));
 181             aBuf.append("\n\n");
 182             aBuf.append("Source : ");
 183             aBuf.append(aFile);
 184             aBuf.append("\nElement : ");
 185             aBuf.append(aElem);
 186             aBuf.append("\nType : ");
 187             aBuf.append(aType);
 188             ScopedVclPtrInstance< MessageDialog > aBox(pWin, aBuf.makeStringAndClear());
 189             aBox->Execute();
 190         }
 191     }
 192
 193     pMgr->CloseCachedComps();
 194
 195     return bAny;
 196 }
 197
 198 void DocumentLinkManager::updateDdeLink( const OUString& rAppl, const OUString& rTopic, const OUString& rItem )
 199 {
 200     if (!mpImpl->mpLinkManager)
 201         return;
 202
 203     sfx2::LinkManager* pMgr = mpImpl->mpLinkManager.get();
 204     const sfx2::SvBaseLinks& rLinks = pMgr->GetLinks();
 205
 206     for (const auto & rLink : rLinks)
 207     {
 208         ::sfx2::SvBaseLink* pBase = rLink.get();
 209         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 210         if (!pDdeLink)
 211             continue;
 212
 213         if ( OUString(pDdeLink->GetAppl()) == rAppl &&
 214              OUString(pDdeLink->GetTopic()) == rTopic &&
 215              OUString(pDdeLink->GetItem()) == rItem )
 216         {
 217             pDdeLink->TryUpdate();
 218             // Could be multiple (Mode), so continue searching
 219         }
 220     }
 221 }
 222
 223 size_t DocumentLinkManager::getDdeLinkCount() const
 224 {
 225     if (!mpImpl->mpLinkManager)
 226         return 0;
 227
 228     size_t nDdeCount = 0;
 229     const sfx2::SvBaseLinks& rLinks = mpImpl->mpLinkManager->GetLinks();
 230     for (const auto & rLink : rLinks)
 231     {
 232         ::sfx2::SvBaseLink* pBase = rLink.get();
 233         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 234         if (!pDdeLink)
 235             continue;
 236
 237         ++nDdeCount;
 238     }
 239
 240     return nDdeCount;
 241 }
 242
 243 void DocumentLinkManager::disconnectDdeLinks()
 244 {
 245     if (!mpImpl->mpLinkManager)
 246         return;
 247
 248     const sfx2::SvBaseLinks& rLinks = mpImpl->mpLinkManager->GetLinks();
 249     for (const auto & rLink : rLinks)
 250     {
 251         ::sfx2::SvBaseLink* pBase = rLink.get();
 252         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 253         if (pDdeLink)
 254             pDdeLink->Disconnect();
 255     }
 256 }
 257
 258 }
 259
 260 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */