Files
libreoffice/xmloff/source/core/ProgressBarHelper.cxx
2011-11-27 13:27:50 -06:00

132 lines
3.8 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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//___________________________________________________________________
#include <xmloff/ProgressBarHelper.hxx>
#include <tools/debug.hxx>
#include <xmloff/xmltoken.hxx>
#include <stdlib.h>
using namespace ::com::sun::star;
const sal_Int32 nDefaultProgressBarRange = 1000000;
const float fProgressStep = 0.5;
ProgressBarHelper::ProgressBarHelper(const ::com::sun::star::uno::Reference < ::com::sun::star::task::XStatusIndicator>& xTempStatusIndicator,
const sal_Bool bTempStrict)
: xStatusIndicator(xTempStatusIndicator)
, nRange(nDefaultProgressBarRange)
, nReference(100)
, nValue(0)
, fOldPercent(0.0)
, bStrict(bTempStrict)
, bRepeat(sal_True)
#ifdef DBG_UTIL
, bFailure(sal_False)
#endif
{
}
ProgressBarHelper::~ProgressBarHelper()
{
}
sal_Int32 ProgressBarHelper::ChangeReference(sal_Int32 nNewReference)
{
if((nNewReference > 0) && (nNewReference != nReference))
{
if (nReference)
{
double fPercent(nNewReference / nReference);
double fValue(nValue * fPercent);
#if OSL_DEBUG_LEVEL > 0
// workaround for toolchain bug on solaris/x86 Sun C++ 5.5
// just call some function here
(void) abs(nValue);
#endif
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 || (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);
xmloff::token::IncRescheduleCount();
xStatusIndicator->setValue((sal_Int32)fNewValue);
xmloff::token::DecRescheduleCount();
// #95181# disabled, because we want to call setValue very often to enable a good reschedule
}
#ifdef DBG_UTIL
else if (!bFailure)
{
OSL_FAIL("tried to set a wrong value on the progressbar");
bFailure = sal_True;
}
#endif
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */