oox/source/helper/progressbar.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include "oox/helper/progressbar.hxx"
  21
  22 #include <osl/diagnose.h>
  23 #include <com/sun/star/task/XStatusIndicator.hpp>
  24 #include "oox/helper/helper.hxx"
  25
  26 namespace oox {
  27
  28 using namespace ::com::sun::star::task;
  29 using namespace ::com::sun::star::uno;
  30
  31 namespace {
  32
  33 const sal_Int32 PROGRESS_RANGE      = 1000000;
  34
  35 } // namespace
  36
  37 IProgressBar::~IProgressBar()
  38 {
  39 }
  40
  41 ISegmentProgressBar::~ISegmentProgressBar()
  42 {
  43 }
  44
  45 ProgressBar::ProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
  46     mxIndicator( rxIndicator ),
  47     mfPosition( 0 )
  48 {
  49     if( mxIndicator.is() )
  50         mxIndicator->start( rText, PROGRESS_RANGE );
  51 }
  52
  53 ProgressBar::~ProgressBar()
  54 {
  55     if( mxIndicator.is() )
  56         mxIndicator->end();
  57 }
  58
  59 double ProgressBar::getPosition() const
  60 {
  61     return mfPosition;
  62 }
  63
  64 void ProgressBar::setPosition( double fPosition )
  65 {
  66     OSL_ENSURE( (mfPosition <= fPosition) && (fPosition <= 1.0), "ProgressBar::setPosition - invalid position" );
  67     mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
  68     if( mxIndicator.is() )
  69         mxIndicator->setValue( static_cast< sal_Int32 >( mfPosition * PROGRESS_RANGE ) );
  70 }
  71
  72 namespace prv {
  73
  74 class SubSegment : public ISegmentProgressBar
  75 {
  76 public:
  77     explicit            SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength );
  78
  79     virtual double      getPosition() const SAL_OVERRIDE;
  80     virtual void        setPosition( double fPosition ) SAL_OVERRIDE;
  81
  82     virtual double      getFreeLength() const SAL_OVERRIDE;
  83     virtual ISegmentProgressBarRef createSegment( double fLength ) SAL_OVERRIDE;
  84
  85 private:
  86     IProgressBar&       mrParentProgress;
  87     double              mfStartPos;
  88     double              mfLength;
  89     double              mfPosition;
  90     double              mfFreeStart;
  91 };
  92
  93 SubSegment::SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength ) :
  94     mrParentProgress( rParentProgress ),
  95     mfStartPos( fStartPos ),
  96     mfLength( fLength ),
  97     mfPosition( 0.0 ),
  98     mfFreeStart( 0.0 )
  99 {
 100 }
 101
 102 double SubSegment::getPosition() const
 103 {
 104     return mfPosition;
 105 }
 106
 107 void SubSegment::setPosition( double fPosition )
 108 {
 109     OSL_ENSURE( (mfPosition <= fPosition) && (fPosition <= 1.0), "SubSegment::setPosition - invalid position" );
 110     mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
 111     mrParentProgress.setPosition( mfStartPos + mfPosition * mfLength );
 112 }
 113
 114 double SubSegment::getFreeLength() const
 115 {
 116     return 1.0 - mfFreeStart;
 117 }
 118
 119 ISegmentProgressBarRef SubSegment::createSegment( double fLength )
 120 {
 121     OSL_ENSURE( (0.0 < fLength) && (fLength <= getFreeLength()), "SubSegment::createSegment - invalid length" );
 122     fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
 123     ISegmentProgressBarRef xSegment( new prv::SubSegment( *this, mfFreeStart, fLength ) );
 124     mfFreeStart += fLength;
 125     return xSegment;
 126 }
 127
 128 } // namespace prv
 129
 130 SegmentProgressBar::SegmentProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
 131     maProgress( rxIndicator, rText ),
 132     mfFreeStart( 0.0 )
 133 {
 134 }
 135
 136 double SegmentProgressBar::getPosition() const
 137 {
 138     return maProgress.getPosition();
 139 }
 140
 141 void SegmentProgressBar::setPosition( double fPosition )
 142 {
 143     maProgress.setPosition( fPosition );
 144 }
 145
 146 double SegmentProgressBar::getFreeLength() const
 147 {
 148     return 1.0 - mfFreeStart;
 149 }
 150
 151 ISegmentProgressBarRef SegmentProgressBar::createSegment( double fLength )
 152 {
 153     OSL_ENSURE( (0.0 < fLength) && (fLength <= getFreeLength()), "SegmentProgressBar::createSegment - invalid length" );
 154     fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
 155     ISegmentProgressBarRef xSegment( new prv::SubSegment( maProgress, mfFreeStart, fLength ) );
 156     mfFreeStart += fLength;
 157     return xSegment;
 158 }
 159
 160 } // namespace oox
 161
 162 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */