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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 .
*/
#ifndef SC_PROGRESS_HXX
#define SC_PROGRESS_HXX
#include <sfx2/progress.hxx>
#include "scdllapi.h"
class ScDocument;
/*
* #i102566
* Drawing a progress bar update is not cheap, so if we draw it on every
* percentage change of 200 calculations we get one progress draw per 2
* calculations which is slower than doing the calculations themselves. So as a
* rough guide only do an update per MIN_NO_CODES_PER_PROGRESS_UPDATE
* calculations
*/
#define MIN_NO_CODES_PER_PROGRESS_UPDATE 100
class SC_DLLPUBLIC ScProgress
{
private:
static SfxProgress* pGlobalProgress;
static sal_uLong nGlobalRange;
static sal_uLong nGlobalPercent;
static sal_Bool bGlobalNoUserBreak;
static ScProgress* pInterpretProgress;
static ScProgress* pOldInterpretProgress;
static sal_uLong nInterpretProgress;
static sal_Bool bAllowInterpretProgress;
static ScDocument* pInterpretDoc;
static bool bIdleWasEnabled;
SfxProgress* pProgress;
// not implemented
ScProgress( const ScProgress& );
ScProgress& operator=( const ScProgress& );
static void CalcGlobalPercent( sal_uLong nVal )
{
nGlobalPercent = nGlobalRange ?
nVal * 100 / nGlobalRange : 0;
}
public:
static SfxProgress* GetGlobalSfxProgress() { return pGlobalProgress; }
static sal_Bool IsUserBreak() { return !bGlobalNoUserBreak; }
static void CreateInterpretProgress( ScDocument* pDoc,
sal_Bool bWait = sal_True );
static ScProgress* GetInterpretProgress() { return pInterpretProgress; }
static void DeleteInterpretProgress();
static sal_uLong GetInterpretCount() { return nInterpretProgress; }
static sal_uLong GetGlobalRange() { return nGlobalRange; }
static sal_uLong GetGlobalPercent() { return nGlobalPercent; }
ScProgress( SfxObjectShell* pObjSh,
const String& rText,
sal_uLong nRange, sal_Bool bAllDocs = false,
sal_Bool bWait = sal_True );
~ScProgress();
#ifdef SC_PROGRESS_CXX
// for DummyInterpret only, never use otherwise!!!
ScProgress();
#endif
// might be NULL!
SfxProgress* GetSfxProgress() const { return pProgress; }
sal_Bool SetStateText( sal_uLong nVal, const String &rVal, sal_uLong nNewRange = 0 )
{
if ( pProgress )
{
if ( nNewRange )
nGlobalRange = nNewRange;
CalcGlobalPercent( nVal );
if ( !pProgress->SetStateText( nVal, rVal, nNewRange ) )
bGlobalNoUserBreak = false;
return bGlobalNoUserBreak;
}
return sal_True;
}
sal_Bool SetState( sal_uLong nVal, sal_uLong nNewRange = 0 )
{
if ( pProgress )
{
if ( nNewRange )
nGlobalRange = nNewRange;
CalcGlobalPercent( nVal );
if ( !pProgress->SetState( nVal, nNewRange ) )
bGlobalNoUserBreak = false;
return bGlobalNoUserBreak;
}
return sal_True;
}
sal_Bool SetStateCountDown( sal_uLong nVal )
{
if ( pProgress )
{
CalcGlobalPercent( nGlobalRange - nVal );
if ( !pProgress->SetState( nGlobalRange - nVal ) )
bGlobalNoUserBreak = false;
return bGlobalNoUserBreak;
}
return sal_True;
}
sal_Bool SetStateOnPercent( sal_uLong nVal )
{ // only if percentage increased
if ( nGlobalRange && (nVal * 100 /
nGlobalRange) > nGlobalPercent )
return SetState( nVal );
return sal_True;
}
sal_Bool SetStateCountDownOnPercent( sal_uLong nVal )
{ // only if percentage increased
if ( nGlobalRange &&
((nGlobalRange - nVal) * 100 /
nGlobalRange) > nGlobalPercent )
return SetStateCountDown( nVal );
return sal_True;
}
sal_uLong GetState()
{
if ( pProgress )
return pProgress->GetState();
return 0;
}
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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