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 <com/sun/star/task/XStatusIndicator.hpp>
  23 #include <oox/helper/helper.hxx>
  24
  25 #include <sal/log.hxx>
  26
  27 namespace oox {
  28
  29 using namespace ::com::sun::star::task;
  30 using namespace ::com::sun::star::uno;
  31
  32 namespace {
  33
  34 const sal_Int32 PROGRESS_RANGE      = 1000000;
  35
  36 } // namespace
  37
  38 IProgressBar::~IProgressBar()
  39 {
  40 }
  41
  42 ISegmentProgressBar::~ISegmentProgressBar()
  43 {
  44 }
  45
  46 ProgressBar::ProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
  47     mxIndicator( rxIndicator ),
  48     mfPosition( 0 )
  49 {
  50     if( mxIndicator.is() )
  51         mxIndicator->start( rText, PROGRESS_RANGE );
  52 }
  53
  54 ProgressBar::~ProgressBar()
  55 {
  56     if( mxIndicator.is() )
  57         mxIndicator->end();
  58 }
  59
  60 double ProgressBar::getPosition() const
  61 {
  62     return mfPosition;
  63 }
  64
  65 void ProgressBar::setPosition( double fPosition )
  66 {
  67     SAL_WARN_IF( (mfPosition > fPosition) || (fPosition > 1.0), "oox", "ProgressBar::setPosition - invalid position" );
  68     mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
  69     if( mxIndicator.is() )
  70         mxIndicator->setValue( static_cast< sal_Int32 >( mfPosition * PROGRESS_RANGE ) );
  71 }
  72
  73 namespace prv {
  74
  75 namespace {
  76
  77 class SubSegment : public ISegmentProgressBar
  78 {
  79 public:
  80     explicit            SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength );
  81
  82     virtual double      getPosition() const override;
  83     virtual void        setPosition( double fPosition ) override;
  84
  85     virtual double      getFreeLength() const override;
  86     virtual ISegmentProgressBarRef createSegment( double fLength ) override;
  87
  88 private:
  89     IProgressBar&       mrParentProgress;
  90     double              mfStartPos;
  91     double              mfLength;
  92     double              mfPosition;
  93     double              mfFreeStart;
  94 };
  95
  96 }
  97
  98 SubSegment::SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength ) :
  99     mrParentProgress( rParentProgress ),
 100     mfStartPos( fStartPos ),
 101     mfLength( fLength ),
 102     mfPosition( 0.0 ),
 103     mfFreeStart( 0.0 )
 104 {
 105 }
 106
 107 double SubSegment::getPosition() const
 108 {
 109     return mfPosition;
 110 }
 111
 112 void SubSegment::setPosition( double fPosition )
 113 {
 114     SAL_WARN_IF( (mfPosition > fPosition) || (fPosition > 1.0), "oox", "SubSegment::setPosition - invalid position" );
 115     mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
 116     mrParentProgress.setPosition( mfStartPos + mfPosition * mfLength );
 117 }
 118
 119 double SubSegment::getFreeLength() const
 120 {
 121     return 1.0 - mfFreeStart;
 122 }
 123
 124 ISegmentProgressBarRef SubSegment::createSegment( double fLength )
 125 {
 126     SAL_WARN_IF( (0.0 >= fLength) || (fLength > getFreeLength()), "oox", "SubSegment::createSegment - invalid length" );
 127     fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
 128     ISegmentProgressBarRef xSegment = std::make_shared<prv::SubSegment>( *this, mfFreeStart, fLength );
 129     mfFreeStart += fLength;
 130     return xSegment;
 131 }
 132
 133 } // namespace oox::prv
 134
 135 SegmentProgressBar::SegmentProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
 136     maProgress( rxIndicator, rText ),
 137     mfFreeStart( 0.0 )
 138 {
 139 }
 140
 141 double SegmentProgressBar::getPosition() const
 142 {
 143     return maProgress.getPosition();
 144 }
 145
 146 void SegmentProgressBar::setPosition( double fPosition )
 147 {
 148     maProgress.setPosition( fPosition );
 149 }
 150
 151 double SegmentProgressBar::getFreeLength() const
 152 {
 153     return 1.0 - mfFreeStart;
 154 }
 155
 156 ISegmentProgressBarRef SegmentProgressBar::createSegment( double fLength )
 157 {
 158     SAL_WARN_IF( (0.0 >= fLength) || (fLength > getFreeLength()), "oox", "SegmentProgressBar::createSegment - invalid length" );
 159     fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
 160     ISegmentProgressBarRef xSegment = std::make_shared<prv::SubSegment>( maProgress, mfFreeStart, fLength );
 161     mfFreeStart += fLength;
 162     return xSegment;
 163 }
 164
 165 } // namespace oox
 166
 167 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */