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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 .
*/
#include <xmloff/ProgressBarHelper.hxx>
#include <xmloff/xmltoken.hxx>
#include <osl/diagnose.h>
using namespace ::com::sun::star;
static const sal_Int32 nDefaultProgressBarRange = 1000000;
static const float fProgressStep = 0.5;
ProgressBarHelper::ProgressBarHelper(const ::com::sun::star::uno::Reference < ::com::sun::star::task::XStatusIndicator>& xTempStatusIndicator,
const bool bTempStrict)
: xStatusIndicator(xTempStatusIndicator)
, nRange(nDefaultProgressBarRange)
, nReference(100)
, nValue(0)
, fOldPercent(0.0)
, bStrict(bTempStrict)
, bRepeat(true)
#ifdef DBG_UTIL
, bFailure(false)
#endif
{
}
ProgressBarHelper::~ProgressBarHelper()
{
}
sal_Int32 ProgressBarHelper::ChangeReference(sal_Int32 nNewReference)
{
if((nNewReference > 0) && (nNewReference != nReference))
{
if (nReference)
{
double fPercent((double)nNewReference / nReference);
double fValue(nValue * fPercent);
nValue = static_cast<sal_Int32>(fValue);
nReference = nNewReference;
}
else
{
nReference = nNewReference;
nValue = 0;
}
}
return nValue;
}
void ProgressBarHelper::SetValue(sal_Int32 nTempValue)
{
if (xStatusIndicator.is() && (nReference > 0))
{
if ((nTempValue >= nValue) && (!bStrict || (nTempValue <= nReference)))
{
// #91317# no progress bar with values > 100%
if (nTempValue > nReference)
{
if (!bRepeat)
nValue = nReference;
else
{
xStatusIndicator->reset();
nValue = 0;
}
}
else
nValue = nTempValue;
double fValue(nValue);
double fNewValue ((fValue * nRange) / nReference);
double fPercent((fNewValue * 100) / nRange);
if (fPercent >= (fOldPercent + fProgressStep) || fPercent < fOldPercent)
{
xStatusIndicator->setValue((sal_Int32)fNewValue);
fOldPercent = fPercent;
}
}
#ifdef DBG_UTIL
else if (!bFailure)
{
OSL_FAIL("tried to set a wrong value on the progressbar");
bFailure = true;
}
#endif
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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