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 class SubSegment : public ISegmentProgressBar
  76 {
  77 public:
  78     explicit            SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength );
  79
  80     virtual double      getPosition() const override;
  81     virtual void        setPosition( double fPosition ) override;
  82
  83     virtual double      getFreeLength() const override;
  84     virtual ISegmentProgressBarRef createSegment( double fLength ) override;
  85
  86 private:
  87     IProgressBar&       mrParentProgress;
  88     double const        mfStartPos;
  89     double const        mfLength;
  90     double              mfPosition;
  91     double              mfFreeStart;
  92 };
  93
  94 SubSegment::SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength ) :
  95     mrParentProgress( rParentProgress ),
  96     mfStartPos( fStartPos ),
  97     mfLength( fLength ),
  98     mfPosition( 0.0 ),
  99     mfFreeStart( 0.0 )
 100 {
 101 }
 102
 103 double SubSegment::getPosition() const
 104 {
 105     return mfPosition;
 106 }
 107
 108 void SubSegment::setPosition( double fPosition )
 109 {
 110     SAL_WARN_IF( (mfPosition > fPosition) || (fPosition > 1.0), "oox", "SubSegment::setPosition - invalid position" );
 111     mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
 112     mrParentProgress.setPosition( mfStartPos + mfPosition * mfLength );
 113 }
 114
 115 double SubSegment::getFreeLength() const
 116 {
 117     return 1.0 - mfFreeStart;
 118 }
 119
 120 ISegmentProgressBarRef SubSegment::createSegment( double fLength )
 121 {
 122     SAL_WARN_IF( (0.0 >= fLength) || (fLength > getFreeLength()), "oox", "SubSegment::createSegment - invalid length" );
 123     fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
 124     ISegmentProgressBarRef xSegment( new prv::SubSegment( *this, mfFreeStart, fLength ) );
 125     mfFreeStart += fLength;
 126     return xSegment;
 127 }
 128
 129 } // namespace prv
 130
 131 SegmentProgressBar::SegmentProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
 132     maProgress( rxIndicator, rText ),
 133     mfFreeStart( 0.0 )
 134 {
 135 }
 136
 137 double SegmentProgressBar::getPosition() const
 138 {
 139     return maProgress.getPosition();
 140 }
 141
 142 void SegmentProgressBar::setPosition( double fPosition )
 143 {
 144     maProgress.setPosition( fPosition );
 145 }
 146
 147 double SegmentProgressBar::getFreeLength() const
 148 {
 149     return 1.0 - mfFreeStart;
 150 }
 151
 152 ISegmentProgressBarRef SegmentProgressBar::createSegment( double fLength )
 153 {
 154     SAL_WARN_IF( (0.0 >= fLength) || (fLength > getFreeLength()), "oox", "SegmentProgressBar::createSegment - invalid length" );
 155     fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
 156     ISegmentProgressBarRef xSegment( new prv::SubSegment( maProgress, mfFreeStart, fLength ) );
 157     mfFreeStart += fLength;
 158     return xSegment;
 159 }
 160
 161 } // namespace oox
 162
 163 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */