ddelink.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
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 */
 
#pragma once
 
#include <sfx2/lnkbase.hxx>
#include <svl/broadcast.hxx>
#include <types.hxx>
 
namespace com::sun::star::uno { class Any; }
 
class ScDocument;
class ScMultipleReadHeader;
class ScMultipleWriteHeader;
class SvStream;
 
class ScDdeLink final : public ::sfx2::SvBaseLink, public SvtBroadcaster
{
private:
static bool bIsInUpdate;
 
    ScDocument&     rDoc;
 
    OUString        aAppl;          // connection/ link data
    OUString        aTopic;
    OUString        aItem;
    sal_uInt8       nMode;          // number format mode
 
    bool            bNeedUpdate;    // is set, if update was not possible
 
    ScMatrixRef     pResult;
 
public:
 
            ScDdeLink( ScDocument& rD,
                        OUString aA, OUString aT, OUString aI,
                        sal_uInt8 nM );
            ScDdeLink( ScDocument& rD, SvStream& rStream, ScMultipleReadHeader& rHdr );
            ScDdeLink( ScDocument& rD, const ScDdeLink& rOther );
    virtual ~ScDdeLink() override;
 
    void            Store( SvStream& rStream, ScMultipleWriteHeader& rHdr ) const;
 
                    // SvBaseLink override:
    virtual ::sfx2::SvBaseLink::UpdateResult DataChanged(
        const OUString& rMimeType, const css::uno::Any & rValue ) override;
 
                    // SvtBroadcaster override:
    virtual void    ListenersGone() override;
 
                    // for interpreter:
 
    const ScMatrix* GetResult() const;
    void            SetResult( const ScMatrixRef& pRes );
 
    const OUString&   GetAppl() const     { return aAppl; }
    const OUString&   GetTopic() const    { return aTopic; }
    const OUString&   GetItem() const     { return aItem; }
    sal_uInt8       GetMode() const     { return nMode; }
 
    void            TryUpdate();
 
    bool            NeedsUpdate() const { return bNeedUpdate; }
 
    static bool     IsInUpdate()        { return bIsInUpdate; }
};
 
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