LCOV - code coverage report
Current view: top level - sd/source/ui/tools - TimerBasedTaskExecution.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 44 0.0 %
Date: 2012-08-25 Functions: 0 9 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 60 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*************************************************************************
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      18                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      19                 :            :  * GNU Lesser General Public License version 3 for more details
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      22                 :            :  * You should have received a copy of the GNU Lesser General Public License
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      24                 :            :  * <http://www.openoffice.org/license.html>
      25                 :            :  * for a copy of the LGPLv3 License.
      26                 :            :  *
      27                 :            :  ************************************************************************/
      28                 :            : 
      29                 :            : 
      30                 :            : #include "tools/TimerBasedTaskExecution.hxx"
      31                 :            : #include "tools/AsynchronousTask.hxx"
      32                 :            : #include <tools/time.hxx>
      33                 :            : #include <osl/diagnose.h>
      34                 :            : #include <boost/weak_ptr.hpp>
      35                 :            : #include "sal/log.hxx"
      36                 :            : 
      37                 :            : namespace sd { namespace tools {
      38                 :            : 
      39                 :            : /** Used by the shared_ptr instead of the private destructor.
      40                 :            : */
      41                 :            : class TimerBasedTaskExecution::Deleter
      42                 :            : {
      43                 :            : public:
      44                 :          0 :     void operator() (TimerBasedTaskExecution* pObject)
      45                 :            :     {
      46         [ #  # ]:          0 :         delete pObject;
      47                 :          0 :     }
      48                 :            : };
      49                 :            : 
      50                 :            : 
      51                 :            : 
      52                 :            : 
      53                 :          0 : ::boost::shared_ptr<TimerBasedTaskExecution> TimerBasedTaskExecution::Create (
      54                 :            :     const ::boost::shared_ptr<AsynchronousTask>& rpTask,
      55                 :            :     sal_uInt32 nMillisecondsBetweenSteps,
      56                 :            :     sal_uInt32 nMaxTimePerStep)
      57                 :            : {
      58                 :            :     ::boost::shared_ptr<TimerBasedTaskExecution> pExecution(
      59         [ #  # ]:          0 :         new TimerBasedTaskExecution(rpTask,nMillisecondsBetweenSteps,nMaxTimePerStep),
      60 [ #  # ][ #  # ]:          0 :         Deleter());
      61                 :            :     // Let the new object have a shared_ptr to itself, so that it can
      62                 :            :     // release itself when the AsynchronousTask has been executed
      63                 :            :     // completely.
      64         [ #  # ]:          0 :     pExecution->SetSelf(pExecution);
      65                 :          0 :     return pExecution;
      66                 :            : }
      67                 :            : 
      68                 :            : 
      69                 :            : 
      70                 :            : 
      71                 :          0 : void TimerBasedTaskExecution::Release (void)
      72                 :            : {
      73                 :          0 :     maTimer.Stop();
      74                 :          0 :     mpSelf.reset();
      75                 :          0 : }
      76                 :            : 
      77                 :            : 
      78                 :            : 
      79                 :            : 
      80                 :            : //static
      81                 :          0 : void TimerBasedTaskExecution::ReleaseTask (
      82                 :            :     const ::boost::weak_ptr<TimerBasedTaskExecution>& rpExecution)
      83                 :            : {
      84         [ #  # ]:          0 :     if ( ! rpExecution.expired())
      85                 :            :     {
      86                 :            :         try
      87                 :            :         {
      88         [ #  # ]:          0 :             ::boost::shared_ptr<tools::TimerBasedTaskExecution> pExecution (rpExecution);
      89 [ #  # ][ #  # ]:          0 :             pExecution->Release();
                 [ #  # ]
      90                 :            :         }
      91                 :          0 :         catch (const ::boost::bad_weak_ptr&)
      92                 :            :         {
      93                 :            :             // When a bad_weak_ptr has been thrown then the object pointed
      94                 :            :             // to by rpTask has been released right after we checked that it
      95                 :            :             // still existed.  Too bad, but that means, that we have nothing
      96                 :            :             // more do.
      97                 :            :         }
      98                 :            :     }
      99                 :          0 : }
     100                 :            : 
     101                 :            : 
     102                 :            : 
     103                 :            : 
     104                 :          0 : TimerBasedTaskExecution::TimerBasedTaskExecution (
     105                 :            :     const ::boost::shared_ptr<AsynchronousTask>& rpTask,
     106                 :            :     sal_uInt32 nMillisecondsBetweenSteps,
     107                 :            :     sal_uInt32 nMaxTimePerStep)
     108                 :            :     : mpTask(rpTask),
     109                 :            :       maTimer(),
     110                 :            :       mpSelf(),
     111 [ #  # ][ #  # ]:          0 :       mnMaxTimePerStep(nMaxTimePerStep)
     112                 :            : {
     113         [ #  # ]:          0 :     Link aLink(LINK(this,TimerBasedTaskExecution,TimerCallback));
     114                 :          0 :     maTimer.SetTimeoutHdl(aLink);
     115         [ #  # ]:          0 :     maTimer.SetTimeout(nMillisecondsBetweenSteps);
     116         [ #  # ]:          0 :     maTimer.Start();
     117                 :          0 : }
     118                 :            : 
     119                 :            : 
     120                 :            : 
     121                 :            : 
     122 [ #  # ][ #  # ]:          0 : TimerBasedTaskExecution::~TimerBasedTaskExecution (void)
     123                 :            : {
     124         [ #  # ]:          0 :     maTimer.Stop();
     125                 :          0 : }
     126                 :            : 
     127                 :            : 
     128                 :            : 
     129                 :            : 
     130                 :          0 : void TimerBasedTaskExecution::SetSelf (
     131                 :            :     const ::boost::shared_ptr<TimerBasedTaskExecution>& rpSelf)
     132                 :            : {
     133         [ #  # ]:          0 :     if (mpTask.get() != NULL)
     134                 :          0 :         mpSelf = rpSelf;
     135                 :          0 : }
     136                 :            : 
     137                 :            : 
     138                 :            : 
     139                 :            : 
     140                 :          0 : IMPL_LINK_NOARG(TimerBasedTaskExecution, TimerCallback)
     141                 :            : {
     142         [ #  # ]:          0 :     if (mpTask.get() != NULL)
     143                 :            :     {
     144         [ #  # ]:          0 :         if (mpTask->HasNextStep())
     145                 :            :         {
     146                 :            :             // Execute as many steps as fit into the time span of length
     147                 :            :             // mnMaxTimePerStep.  Note that the last step may take longer
     148                 :            :             // than allowed.
     149 [ #  # ][ #  # ]:          0 :             sal_uInt32 nStartTime (Time( Time::SYSTEM ).GetMSFromTime());
     150                 :            :             SAL_INFO("sd.tools", OSL_THIS_FUNC << ": starting TimerBasedTaskExecution at " << nStartTime);
     151 [ #  # ][ #  # ]:          0 :             do
     152                 :            :             {
     153         [ #  # ]:          0 :                 mpTask->RunNextStep();
     154 [ #  # ][ #  # ]:          0 :                 sal_uInt32 nDuration (Time( Time::SYSTEM ).GetMSFromTime()-nStartTime);
     155                 :            :                 SAL_INFO("sd.tools", OSL_THIS_FUNC << ": executed step in " << nDuration);
     156         [ #  # ]:          0 :                 if (nDuration > mnMaxTimePerStep)
     157                 :            :                     break;
     158                 :            :             }
     159                 :          0 :             while (mpTask->HasNextStep());
     160                 :            :             SAL_INFO("sd.tools", OSL_THIS_FUNC << ": TimerBasedTaskExecution sleeping");
     161         [ #  # ]:          0 :             maTimer.Start();
     162                 :            :         }
     163                 :            :         else
     164                 :          0 :             mpSelf.reset();
     165                 :            :     }
     166                 :            : 
     167                 :          0 :     return 0;
     168                 :            : }
     169                 :            : 
     170                 :            : 
     171                 :            : } } // end of namespace ::sd::tools
     172                 :            : 
     173                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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