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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * 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
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#pragma once

#include <svl/broadcast.hxx>
#include <set>
#include <tools/solar.h>

#include <callform.hxx>

extern "C" {
void CALLTYPE ScAddInAsyncCallBack( double& nHandle, void* pData );
}

class ScDocument;
using ScAddInDocs = std::set<ScDocument*>;

class ScAddInAsync final : public SvtBroadcaster
{
private:
    union
    {
        double      nVal;               // current value
        OUString*   pStr;
    };
    std::unique_ptr<ScAddInDocs> pDocs; // List of using documents
    LegacyFuncData* mpFuncData;         // Pointer to data in collection
    sal_uLong       nHandle;            // is casted from double to sal_uLong
    ParamType       meType;             // result of type PTR_DOUBLE or PTR_STRING
    bool            bValid;             // is value valid?

public:
    // cTor only if ScAddInAsync::Get fails.
    // nIndex: Index from FunctionCollection
    ScAddInAsync(sal_uLong nHandle, LegacyFuncData* pFuncData, ScDocument* pDoc);
    virtual         ~ScAddInAsync() override;
    static ScAddInAsync*    Get( sal_uLong nHandle );
    static void     CallBack( sal_uLong nHandle, void* pData );
    static void     RemoveDocument( ScDocument* pDocument );
    bool            IsValid() const         { return bValid; }
    ParamType       GetType() const         { return meType; }
    double          GetValue() const        { return nVal; }
    const OUString& GetString() const       { return *pStr; }
    bool            HasDocument( ScDocument* pDoc ) const
                        { return pDocs->find( pDoc ) != pDocs->end(); }
    void            AddDocument( ScDocument* pDoc ) { pDocs->insert( pDoc ); }

    // Comparators for PtrArrSort
    bool operator< ( const ScAddInAsync& r ) const { return nHandle <  r.nHandle; }
};

struct CompareScAddInAsync
{
  bool operator()( std::unique_ptr<ScAddInAsync> const& lhs, std::unique_ptr<ScAddInAsync> const& rhs ) const { return (*lhs)<(*rhs); }
};
using ScAddInAsyncs = std::set<std::unique_ptr<ScAddInAsync>, CompareScAddInAsync>;

extern ScAddInAsyncs theAddInAsyncTbl;  // in adiasync.cxx

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */