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 // ============================================================================
  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 // ============================================================================
  39
  40 IProgressBar::~IProgressBar()
  41 {
  42 }
  43
  44 // ----------------------------------------------------------------------------
  45
  46 ISegmentProgressBar::~ISegmentProgressBar()
  47 {
  48 }
  49
  50 // ============================================================================
  51 // ============================================================================
  52
  53 ProgressBar::ProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
  54     mxIndicator( rxIndicator ),
  55     mfPosition( 0 )
  56 {
  57     if( mxIndicator.is() )
  58         mxIndicator->start( rText, PROGRESS_RANGE );
  59 }
  60
  61 ProgressBar::~ProgressBar()
  62 {
  63     if( mxIndicator.is() )
  64         mxIndicator->end();
  65 }
  66
  67 double ProgressBar::getPosition() const
  68 {
  69     return mfPosition;
  70 }
  71
  72 void ProgressBar::setPosition( double fPosition )
  73 {
  74     OSL_ENSURE( (mfPosition <= fPosition) && (fPosition <= 1.0), "ProgressBar::setPosition - invalid position" );
  75     mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
  76     if( mxIndicator.is() )
  77         mxIndicator->setValue( static_cast< sal_Int32 >( mfPosition * PROGRESS_RANGE ) );
  78 }
  79
  80 // ============================================================================
  81
  82 namespace prv {
  83
  84 class SubSegment : public ISegmentProgressBar
  85 {
  86 public:
  87     explicit            SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength );
  88
  89     virtual double      getPosition() const;
  90     virtual void        setPosition( double fPosition );
  91
  92     virtual double      getFreeLength() const;
  93     virtual ISegmentProgressBarRef createSegment( double fLength );
  94
  95 private:
  96     IProgressBar&       mrParentProgress;
  97     double              mfStartPos;
  98     double              mfLength;
  99     double              mfPosition;
 100     double              mfFreeStart;
 101 };
 102
 103 // ----------------------------------------------------------------------------
 104
 105 SubSegment::SubSegment( IProgressBar& rParentProgress, double fStartPos, double fLength ) :
 106     mrParentProgress( rParentProgress ),
 107     mfStartPos( fStartPos ),
 108     mfLength( fLength ),
 109     mfPosition( 0.0 ),
 110     mfFreeStart( 0.0 )
 111 {
 112 }
 113
 114 double SubSegment::getPosition() const
 115 {
 116     return mfPosition;
 117 }
 118
 119 void SubSegment::setPosition( double fPosition )
 120 {
 121     OSL_ENSURE( (mfPosition <= fPosition) && (fPosition <= 1.0), "SubSegment::setPosition - invalid position" );
 122     mfPosition = getLimitedValue< double >( fPosition, mfPosition, 1.0 );
 123     mrParentProgress.setPosition( mfStartPos + mfPosition * mfLength );
 124 }
 125
 126 double SubSegment::getFreeLength() const
 127 {
 128     return 1.0 - mfFreeStart;
 129 }
 130
 131 ISegmentProgressBarRef SubSegment::createSegment( double fLength )
 132 {
 133     OSL_ENSURE( (0.0 < fLength) && (fLength <= getFreeLength()), "SubSegment::createSegment - invalid length" );
 134     fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
 135     ISegmentProgressBarRef xSegment( new prv::SubSegment( *this, mfFreeStart, fLength ) );
 136     mfFreeStart += fLength;
 137     return xSegment;
 138 }
 139
 140 } // namespace prv
 141
 142 // ============================================================================
 143
 144 SegmentProgressBar::SegmentProgressBar( const Reference< XStatusIndicator >& rxIndicator, const OUString& rText ) :
 145     maProgress( rxIndicator, rText ),
 146     mfFreeStart( 0.0 )
 147 {
 148 }
 149
 150 double SegmentProgressBar::getPosition() const
 151 {
 152     return maProgress.getPosition();
 153 }
 154
 155 void SegmentProgressBar::setPosition( double fPosition )
 156 {
 157     maProgress.setPosition( fPosition );
 158 }
 159
 160 double SegmentProgressBar::getFreeLength() const
 161 {
 162     return 1.0 - mfFreeStart;
 163 }
 164
 165 ISegmentProgressBarRef SegmentProgressBar::createSegment( double fLength )
 166 {
 167     OSL_ENSURE( (0.0 < fLength) && (fLength <= getFreeLength()), "SegmentProgressBar::createSegment - invalid length" );
 168     fLength = getLimitedValue< double >( fLength, 0.0, getFreeLength() );
 169     ISegmentProgressBarRef xSegment( new prv::SubSegment( maProgress, mfFreeStart, fLength ) );
 170     mfFreeStart += fLength;
 171     return xSegment;
 172 }
 173
 174 // ============================================================================
 175
 176 } // namespace oox
 177
 178 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */