xmloff/source/core/ProgressBarHelper.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 <xmloff/ProgressBarHelper.hxx>
  21 #include <xmloff/xmltoken.hxx>
  22
  23 #include <osl/diagnose.h>
  24
  25 using namespace ::com::sun::star;
  26
  27 static const sal_Int32 nDefaultProgressBarRange = 1000000;
  28
  29 ProgressBarHelper::ProgressBarHelper(const ::com::sun::star::uno::Reference < ::com::sun::star::task::XStatusIndicator>& xTempStatusIndicator,
  30                                     const bool bTempStrict)
  31 : xStatusIndicator(xTempStatusIndicator)
  32 , nRange(nDefaultProgressBarRange)
  33 , nReference(100)
  34 , nValue(0)
  35 , bStrict(bTempStrict)
  36 , bRepeat(true)
  37 #ifdef DBG_UTIL
  38 , bFailure(false)
  39 #endif
  40 {
  41 }
  42
  43 ProgressBarHelper::~ProgressBarHelper()
  44 {
  45 }
  46
  47 sal_Int32 ProgressBarHelper::ChangeReference(sal_Int32 nNewReference)
  48 {
  49     if((nNewReference > 0) && (nNewReference != nReference))
  50     {
  51         if (nReference)
  52         {
  53             double fPercent((double)nNewReference / nReference);
  54             double fValue(nValue * fPercent);
  55             nValue = static_cast<sal_Int32>(fValue);
  56             nReference = nNewReference;
  57         }
  58         else
  59         {
  60             nReference = nNewReference;
  61             nValue = 0;
  62         }
  63     }
  64     return nValue;
  65 }
  66
  67 void ProgressBarHelper::SetValue(sal_Int32 nTempValue)
  68 {
  69     if (xStatusIndicator.is() && (nReference > 0))
  70     {
  71         if ((nTempValue >= nValue) && (!bStrict || (bStrict && (nTempValue <= nReference))))
  72         {
  73             // #91317# no progress bar with values > 100%
  74             if (nTempValue > nReference)
  75             {
  76                 if (!bRepeat)
  77                     nValue = nReference;
  78                 else
  79                 {
  80                     xStatusIndicator->reset();
  81                     nValue = 0;
  82                 }
  83             }
  84             else
  85                 nValue = nTempValue;
  86
  87             double fValue(nValue);
  88             double fNewValue ((fValue * nRange) / nReference);
  89
  90             xStatusIndicator->setValue((sal_Int32)fNewValue);
  91
  92             // #95181# disabled, because we want to call setValue very often to enable a good reschedule
  93         }
  94 #ifdef DBG_UTIL
  95         else if (!bFailure)
  96         {
  97             OSL_FAIL("tried to set a wrong value on the progressbar");
  98             bFailure = true;
  99         }
 100 #endif
 101     }
 102 }
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */