office-gobmx/oox/source/helper/progressbar.cxx
2011-05-16 22:22:59 +02:00

189 lines
5.6 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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*
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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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*
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#include "oox/helper/progressbar.hxx"
#include <com/sun/star/task/XStatusIndicator.hpp>
#include "oox/helper/helper.hxx"
namespace oox {
// ============================================================================
using namespace ::com::sun::star::task;
using namespace ::com::sun::star::uno;
using ::rtl::OUString;
namespace {
const sal_Int32 PROGRESS_RANGE = 1000000;
} // namespace
// ============================================================================
IProgressBar::~IProgressBar()
{
}
// ----------------------------------------------------------------------------
ISegmentProgressBar::~ISegmentProgressBar()
{
}
// ============================================================================
// ============================================================================
ProgressBar::ProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
mxIndicator( rxIndicator ),
mfPosition( 0 )
{
if( mxIndicator.is() )
mxIndicator->start( rText, PROGRESS_RANGE );
}
ProgressBar::~ProgressBar()
{
if( mxIndicator.is() )
mxIndicator->end();
}
double ProgressBar::getPosition() const
{
return mfPosition;
}
void ProgressBar::setPosition( double fPosition )
{
OSL_ENSURE( (mfPosition <= fPosition) && (fPosition <= 1.0), "ProgressBar::setPosition - invalid position" );
mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
if( mxIndicator.is() )
mxIndicator->setValue( static_cast< sal_Int32 >( mfPosition * PROGRESS_RANGE ) );
}
// ============================================================================
namespace prv {
class SubSegment : public ISegmentProgressBar
{
public:
explicit SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength );
virtual double getPosition() const;
virtual void setPosition( double fPosition );
virtual double getFreeLength() const;
virtual ISegmentProgressBarRef createSegment( double fLength );
private:
IProgressBar& mrParentProgress;
double mfStartPos;
double mfLength;
double mfPosition;
double mfFreeStart;
};
// ----------------------------------------------------------------------------
SubSegment::SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength ) :
mrParentProgress( rParentProgress ),
mfStartPos( fStartPos ),
mfLength( fLength ),
mfPosition( 0.0 ),
mfFreeStart( 0.0 )
{
}
double SubSegment::getPosition() const
{
return mfPosition;
}
void SubSegment::setPosition( double fPosition )
{
OSL_ENSURE( (mfPosition <= fPosition) && (fPosition <= 1.0), "SubSegment::setPosition - invalid position" );
mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
mrParentProgress.setPosition( mfStartPos + mfPosition * mfLength );
}
double SubSegment::getFreeLength() const
{
return 1.0 - mfFreeStart;
}
ISegmentProgressBarRef SubSegment::createSegment( double fLength )
{
OSL_ENSURE( (0.0 < fLength) && (fLength <= getFreeLength()), "SubSegment::createSegment - invalid length" );
fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
ISegmentProgressBarRef xSegment( new prv::SubSegment( *this, mfFreeStart, fLength ) );
mfFreeStart += fLength;
return xSegment;
}
} // namespace prv
// ============================================================================
SegmentProgressBar::SegmentProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
maProgress( rxIndicator, rText ),
mfFreeStart( 0.0 )
{
}
double SegmentProgressBar::getPosition() const
{
return maProgress.getPosition();
}
void SegmentProgressBar::setPosition( double fPosition )
{
maProgress.setPosition( fPosition );
}
double SegmentProgressBar::getFreeLength() const
{
return 1.0 - mfFreeStart;
}
ISegmentProgressBarRef SegmentProgressBar::createSegment( double fLength )
{
OSL_ENSURE( (0.0 < fLength) && (fLength <= getFreeLength()), "SegmentProgressBar::createSegment - invalid length" );
fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
ISegmentProgressBarRef xSegment( new prv::SubSegment( maProgress, mfFreeStart, fLength ) );
mfFreeStart += fLength;
return xSegment;
}
// ============================================================================
} // namespace oox
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