xref: /trunk/main/sc/source/core/tool/addinlis.cxx (revision cf6516809c57e1bb0a940545cca99cdad54d4ce2)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"



#include <tools/debug.hxx>
#include <sfx2/objsh.hxx>


#include "addinlis.hxx"
#include "miscuno.hxx"      // SC_IMPL_SERVICE_INFO
#include "document.hxx"
#include "brdcst.hxx"
#include "unoguard.hxx"
#include "sc.hrc"

using namespace com::sun::star;

//------------------------------------------------------------------------

//SMART_UNO_IMPLEMENTATION( ScAddInListener, UsrObject );

SC_SIMPLE_SERVICE_INFO( ScAddInListener, "ScAddInListener", "stardiv.one.sheet.AddInListener" )

//------------------------------------------------------------------------

List ScAddInListener::aAllListeners;

//------------------------------------------------------------------------

//  static
ScAddInListener* ScAddInListener::CreateListener(
                        uno::Reference<sheet::XVolatileResult> xVR, ScDocument* pDoc )
{
    ScAddInListener* pNew = new ScAddInListener( xVR, pDoc );

    pNew->acquire();                                // for aAllListeners
    aAllListeners.Insert( pNew, LIST_APPEND );

    if ( xVR.is() )
        xVR->addResultListener( pNew );             // after at least 1 ref exists!

    return pNew;
}

ScAddInListener::ScAddInListener( uno::Reference<sheet::XVolatileResult> xVR, ScDocument* pDoc ) :
    xVolRes( xVR )
{
    pDocs = new ScAddInDocs( 1, 1 );
    pDocs->Insert( pDoc );
}

ScAddInListener::~ScAddInListener()
{
    delete pDocs;
}

// static
ScAddInListener* ScAddInListener::Get( uno::Reference<sheet::XVolatileResult> xVR )
{
    sheet::XVolatileResult* pComp = xVR.get();

    sal_uLong nCount = aAllListeners.Count();
    for (sal_uLong nPos=0; nPos<nCount; nPos++)
    {
        ScAddInListener* pLst = (ScAddInListener*)aAllListeners.GetObject(nPos);
        if ( pComp == (sheet::XVolatileResult*)pLst->xVolRes.get() )
            return pLst;
    }
    return NULL;        // not found
}

//! move to some container object?
// static
void ScAddInListener::RemoveDocument( ScDocument* pDocumentP )
{
    sal_uLong nPos = aAllListeners.Count();
    while (nPos)
    {
        //  loop backwards because elements are removed
        --nPos;
        ScAddInListener* pLst = (ScAddInListener*)aAllListeners.GetObject(nPos);
        ScAddInDocs* p = pLst->pDocs;
        sal_uInt16 nFoundPos;
        if ( p->Seek_Entry( pDocumentP, &nFoundPos ) )
        {
            p->Remove( nFoundPos );
            if ( p->Count() == 0 )
            {
                // this AddIn is no longer used
                //  dont delete, just remove the ref for the list

                aAllListeners.Remove( nPos );

                if ( pLst->xVolRes.is() )
                    pLst->xVolRes->removeResultListener( pLst );

                pLst->release();    // Ref for aAllListeners - pLst may be deleted here
            }
        }
    }
}

//------------------------------------------------------------------------

// XResultListener

void SAL_CALL ScAddInListener::modified( const ::com::sun::star::sheet::ResultEvent& aEvent )
                                throw(::com::sun::star::uno::RuntimeException)
{
    ScUnoGuard aGuard;          //! or generate a UserEvent

    aResult = aEvent.Value;     // store result

    if ( !HasListeners() )
    {
        //! remove from list and removeListener, as in RemoveDocument ???

#if 0
        //! this will crash if called before first StartListening !!!
        aAllListeners.Remove( this );
        if ( xVolRes.is() )
            xVolRes->removeResultListener( this );
        release();  // Ref for aAllListeners - this may be deleted here
        return;
#endif
    }

    //  notify document of changes

    Broadcast( ScHint( SC_HINT_DATACHANGED, ScAddress(), NULL ) );

    const ScDocument** ppDoc = (const ScDocument**) pDocs->GetData();
    sal_uInt16 nCount = pDocs->Count();
    for ( sal_uInt16 j=0; j<nCount; j++, ppDoc++ )
    {
        ScDocument* pDoc = (ScDocument*)*ppDoc;
        pDoc->TrackFormulas();
        pDoc->GetDocumentShell()->Broadcast( SfxSimpleHint( FID_DATACHANGED ) );
        pDoc->ResetChanged( ScRange(0,0,0,MAXCOL,MAXROW,MAXTAB) );
    }
}

// XEventListener

void SAL_CALL ScAddInListener::disposing( const ::com::sun::star::lang::EventObject& /* Source */ )
                                throw(::com::sun::star::uno::RuntimeException)
{
    // hold a ref so this is not deleted at removeResultListener
    uno::Reference<sheet::XResultListener> xRef( this );

    if ( xVolRes.is() )
    {
        xVolRes->removeResultListener( this );
        xVolRes = NULL;
    }
}


//------------------------------------------------------------------------