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
  21
  22
  23
  24
  25 //___________________________________________________________________
  26 #include <xmloff/ProgressBarHelper.hxx>
  27 #include <tools/debug.hxx>
  28 #include <xmloff/xmltoken.hxx>
  29
  30 #include <stdlib.h>
  31
  32 using namespace ::com::sun::star;
  33
  34 const sal_Int32 nDefaultProgressBarRange = 1000000;
  35
  36 ProgressBarHelper::ProgressBarHelper(const ::com::sun::star::uno::Reference < ::com::sun::star::task::XStatusIndicator>& xTempStatusIndicator,
  37                                     const sal_Bool bTempStrict)
  38 : xStatusIndicator(xTempStatusIndicator)
  39 , nRange(nDefaultProgressBarRange)
  40 , nReference(100)
  41 , nValue(0)
  42 , bStrict(bTempStrict)
  43 , bRepeat(sal_True)
  44 #ifdef DBG_UTIL
  45 , bFailure(sal_False)
  46 #endif
  47 {
  48 }
  49
  50 ProgressBarHelper::~ProgressBarHelper()
  51 {
  52 }
  53
  54 sal_Int32 ProgressBarHelper::ChangeReference(sal_Int32 nNewReference)
  55 {
  56     if((nNewReference > 0) && (nNewReference != nReference))
  57     {
  58         if (nReference)
  59         {
  60             double fPercent(nNewReference / nReference);
  61             double fValue(nValue * fPercent);
  62 #if OSL_DEBUG_LEVEL > 0
  63             // workaround for toolchain bug on solaris/x86 Sun C++ 5.5
  64             // just call some function here
  65             (void) abs(nValue);
  66 #endif
  67             nValue = static_cast< sal_Int32 >(fValue);
  68             nReference = nNewReference;
  69         }
  70         else
  71         {
  72             nReference = nNewReference;
  73             nValue = 0;
  74         }
  75     }
  76     return nValue;
  77 }
  78
  79 void ProgressBarHelper::SetValue(sal_Int32 nTempValue)
  80 {
  81     if (xStatusIndicator.is() && (nReference > 0))
  82     {
  83         if ((nTempValue >= nValue) && (!bStrict || (bStrict && (nTempValue <= nReference))))
  84         {
  85             // #91317# no progress bar with values > 100%
  86             if (nTempValue > nReference)
  87             {
  88                 if (!bRepeat)
  89                     nValue = nReference;
  90                 else
  91                 {
  92                     xStatusIndicator->reset();
  93                     nValue = 0;
  94                 }
  95             }
  96             else
  97                 nValue = nTempValue;
  98
  99             double fValue(nValue);
 100             double fNewValue ((fValue * nRange) / nReference);
 101
 102             xmloff::token::IncRescheduleCount();
 103
 104             xStatusIndicator->setValue((sal_Int32)fNewValue);
 105
 106             xmloff::token::DecRescheduleCount();
 107
 108             // #95181# disabled, because we want to call setValue very often to enable a good reschedule
 109         }
 110 #ifdef DBG_UTIL
 111         else if (!bFailure)
 112         {
 113             OSL_FAIL("tried to set a wrong value on the progressbar");
 114             bFailure = sal_True;
 115         }
 116 #endif
 117     }
 118 }
 119
 120 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */