/**************************************************************
 * 
 * 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_sw.hxx"



#include <mdiexp.hxx>
#include <tools/shl.hxx>
#include <tools/string.hxx>
#ifndef _SVARRAY_HXX
#include <svl/svstdarr.hxx>
#endif
#include <sfx2/progress.hxx>
#ifndef _RESID_HXX //autogen
#include <tools/resid.hxx>
#endif
#include <docsh.hxx>
#include <swmodule.hxx>
#include "swtypes.hxx"

class SwDocShell;

struct SwProgress
{
	long nStartValue,
		 nStartCount;
	SwDocShell  *pDocShell;
	SfxProgress *pProgress;
};

static SvPtrarr *pProgressContainer = 0;

static SwProgress *lcl_SwFindProgress( SwDocShell *pDocShell )
{
	for ( sal_uInt16 i = 0; i < pProgressContainer->Count(); ++i )
	{
		SwProgress *pTmp = (SwProgress*)(*pProgressContainer)[i];
		if ( pTmp->pDocShell == pDocShell )
			return pTmp;
	}
	return 0;
}


void StartProgress( sal_uInt16 nMessResId, long nStartValue, long nEndValue,
					SwDocShell *pDocShell )
{
	if( !SW_MOD()->IsEmbeddedLoadSave() )
	{
		SwProgress *pProgress = 0;

		if ( !pProgressContainer )
			pProgressContainer = new SvPtrarr( 2, 2 );
		else
		{
			if ( 0 != (pProgress = lcl_SwFindProgress( pDocShell )) )
				++pProgress->nStartCount;
		}
		if ( !pProgress )
		{
			pProgress = new SwProgress;
			pProgress->pProgress = new SfxProgress( pDocShell,
													SW_RESSTR(nMessResId),
													nEndValue - nStartValue,
													sal_False,
													sal_True );
			pProgress->nStartCount = 1;
			pProgress->pDocShell = pDocShell;
			pProgressContainer->Insert( (void*)pProgress, 0 );
		}
		pProgress->nStartValue = nStartValue;
	}
}


void SetProgressState( long nPosition, SwDocShell *pDocShell )
{
	if( pProgressContainer && !SW_MOD()->IsEmbeddedLoadSave() )
	{
		SwProgress *pProgress = lcl_SwFindProgress( pDocShell );
		if ( pProgress )
			pProgress->pProgress->SetState(nPosition - pProgress->nStartValue);
	}
}


void EndProgress( SwDocShell *pDocShell )
{
	if( pProgressContainer && !SW_MOD()->IsEmbeddedLoadSave() )
	{
		SwProgress *pProgress = 0;
		sal_uInt16 i;
		for ( i = 0; i < pProgressContainer->Count(); ++i )
		{
			SwProgress *pTmp = (SwProgress*)(*pProgressContainer)[i];
			if ( pTmp->pDocShell == pDocShell )
			{
				pProgress = pTmp;
				break;
			}
		}

		if ( pProgress && 0 == --pProgress->nStartCount )
		{
			pProgress->pProgress->Stop();
			pProgressContainer->Remove( i );
			delete pProgress->pProgress;
			delete pProgress;
            //#112337# it may happen that the container has been removed 
            //while rescheduling
            if ( pProgressContainer && !pProgressContainer->Count() )
				delete pProgressContainer, pProgressContainer = 0;
		}
	}
}


void SetProgressText( sal_uInt16 nId, SwDocShell *pDocShell )
{
	if( pProgressContainer && !SW_MOD()->IsEmbeddedLoadSave() )
	{
		SwProgress *pProgress = lcl_SwFindProgress( pDocShell );
		if ( pProgress )
			pProgress->pProgress->SetStateText( 0, SW_RESSTR(nId) );
	}
}


void RescheduleProgress( SwDocShell *pDocShell )
{
	if( pProgressContainer && !SW_MOD()->IsEmbeddedLoadSave() )
	{
		SwProgress *pProgress = lcl_SwFindProgress( pDocShell );
		if ( pProgress )
			pProgress->pProgress->Reschedule();
	}
}