sc/source/core/inc/ddelink.hxx

   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 #pragma once
  21
  22 #include <sfx2/lnkbase.hxx>
  23 #include <svl/broadcast.hxx>
  24 #include <types.hxx>
  25
  26 namespace com::sun::star::uno { class Any; }
  27
  28 class ScDocument;
  29 class ScMultipleReadHeader;
  30 class ScMultipleWriteHeader;
  31 class SvStream;
  32
  33 class ScDdeLink final : public ::sfx2::SvBaseLink, public SvtBroadcaster
  34 {
  35 private:
  36 static bool bIsInUpdate;
  37
  38     ScDocument&     rDoc;
  39
  40     OUString        aAppl;          // connection/ link data
  41     OUString        aTopic;
  42     OUString        aItem;
  43     sal_uInt8       nMode;          // number format mode
  44
  45     bool            bNeedUpdate;    // is set, if update was not possible
  46
  47     ScMatrixRef     pResult;
  48
  49 public:
  50
  51             ScDdeLink( ScDocument& rD,
  52                         OUString aA, OUString aT, OUString aI,
  53                         sal_uInt8 nM );
  54             ScDdeLink( ScDocument& rD, SvStream& rStream, ScMultipleReadHeader& rHdr );
  55             ScDdeLink( ScDocument& rD, const ScDdeLink& rOther );
  56     virtual ~ScDdeLink() override;
  57
  58     void            Store( SvStream& rStream, ScMultipleWriteHeader& rHdr ) const;
  59
  60                     // SvBaseLink override:
  61     virtual ::sfx2::SvBaseLink::UpdateResult DataChanged(
  62         const OUString& rMimeType, const css::uno::Any & rValue ) override;
  63
  64                     // SvtBroadcaster override:
  65     virtual void    ListenersGone() override;
  66
  67                     // for interpreter:
  68
  69     const ScMatrix* GetResult() const;
  70     void            SetResult( const ScMatrixRef& pRes );
  71
  72     const OUString&   GetAppl() const     { return aAppl; }
  73     const OUString&   GetTopic() const    { return aTopic; }
  74     const OUString&   GetItem() const     { return aItem; }
  75     sal_uInt8       GetMode() const     { return nMode; }
  76
  77     void            TryUpdate();
  78
  79     bool            NeedsUpdate() const { return bNeedUpdate; }
  80
  81     static bool     IsInUpdate()        { return bIsInUpdate; }
  82 };
  83
  84 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */