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