/**************************************************************
 * 
 * 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 <sfx2/objsh.hxx>

#include "adiasync.hxx"
#include "brdcst.hxx"
#include "global.hxx"
#include "document.hxx"
#include "sc.hrc"		// FID_DATACHANGED
#include <osl/thread.h>


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

ScAddInAsyncs theAddInAsyncTbl;
static ScAddInAsync aSeekObj;


SV_IMPL_OP_PTRARR_SORT( ScAddInAsyncs, ScAddInAsyncPtr );

SV_IMPL_PTRARR_SORT( ScAddInDocs, ScAddInDocPtr );

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



ScAddInAsync::ScAddInAsync() :
	SvtBroadcaster(),
	nHandle( 0 )
{	// nur fuer aSeekObj !
}



ScAddInAsync::ScAddInAsync( sal_uLong nHandleP, sal_uInt16 nIndex, ScDocument* pDoc ) :
	SvtBroadcaster(),
	pStr( NULL ),
	nHandle( nHandleP ),
	bValid( sal_False )
{
	pDocs = new ScAddInDocs( 1, 1 );
	pDocs->Insert( pDoc );
	pFuncData = (FuncData*)ScGlobal::GetFuncCollection()->At(nIndex);
	eType = pFuncData->GetAsyncType();
	theAddInAsyncTbl.Insert( this );
}



ScAddInAsync::~ScAddInAsync()
{
	// aSeekObj hat das alles nicht, Handle 0 gibt es sonst nicht
	if ( nHandle )
	{
		// im dTor wg. theAddInAsyncTbl.DeleteAndDestroy in ScGlobal::Clear
		pFuncData->Unadvice( (double)nHandle );
		if ( eType == PTR_STRING && pStr )		// mit Typvergleich wg. Union!
			delete pStr;
		delete pDocs;
	}
}



ScAddInAsync* ScAddInAsync::Get( sal_uLong nHandleP )
{
	sal_uInt16 nPos;
	ScAddInAsync* pRet = 0;
	aSeekObj.nHandle = nHandleP;
	if ( theAddInAsyncTbl.Seek_Entry( &aSeekObj, &nPos ) )
		pRet = theAddInAsyncTbl[ nPos ];
	aSeekObj.nHandle = 0;
	return pRet;
}



void ScAddInAsync::CallBack( sal_uLong nHandleP, void* pData )
{
	ScAddInAsync* p;
    if ( (p = Get( nHandleP )) == NULL )
		return;
	// keiner mehr dran? Unadvice und weg damit
	if ( !p->HasListeners() )
	{
		// nicht im dTor wg. theAddInAsyncTbl.DeleteAndDestroy in ScGlobal::Clear
		theAddInAsyncTbl.Remove( p );
		delete p;
		return ;
	}
	switch ( p->eType )
	{
		case PTR_DOUBLE :
			p->nVal = *(double*)pData;
			break;
		case PTR_STRING :
			if ( p->pStr )
				*p->pStr = String( (sal_Char*)pData, osl_getThreadTextEncoding() );
			else
				p->pStr = new String( (sal_Char*)pData, osl_getThreadTextEncoding() );
			break;
		default :
			DBG_ERROR( "unbekannter AsyncType" );
			return;
	}
	p->bValid = sal_True;
	p->Broadcast( ScHint( SC_HINT_DATACHANGED, ScAddress(), NULL ) );

	const ScDocument** ppDoc = (const ScDocument**) p->pDocs->GetData();
	sal_uInt16 nCount = p->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) );
	}
}



void ScAddInAsync::RemoveDocument( ScDocument* pDocumentP )
{
	sal_uInt16 nPos = theAddInAsyncTbl.Count();
	if ( nPos )
	{
		const ScAddInAsync** ppAsync =
			(const ScAddInAsync**) theAddInAsyncTbl.GetData() + nPos - 1;
		for ( ; nPos-- >0; ppAsync-- )
		{	// rueckwaerts wg. Pointer-Aufrueckerei im Array
			ScAddInDocs* p = ((ScAddInAsync*)*ppAsync)->pDocs;
			sal_uInt16 nFoundPos;
			if ( p->Seek_Entry( pDocumentP, &nFoundPos ) )
			{
				p->Remove( nFoundPos );
				if ( p->Count() == 0 )
				{	// dieses AddIn wird nicht mehr benutzt
					ScAddInAsync* pAsync = (ScAddInAsync*)*ppAsync;
					theAddInAsyncTbl.Remove( nPos );
					delete pAsync;
					ppAsync = (const ScAddInAsync**) theAddInAsyncTbl.GetData()
						+ nPos;
				}
			}
		}
	}
}