LCOV - code coverage report
Current view: top level - svtools/source/misc - filechangedchecker.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 32 0.0 %
Date: 2012-08-25 Functions: 0 6 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 30 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 :            : /*
       3                 :            :  * Version: MPL 1.1 / GPLv3+ / LGPLv3+
       4                 :            :  *
       5                 :            :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :            :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :            :  * the License. You may obtain a copy of the License at
       8                 :            :  * http://www.mozilla.org/MPL/
       9                 :            :  *
      10                 :            :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :            :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :            :  * for the specific language governing rights and limitations under the
      13                 :            :  * License.
      14                 :            :  *
      15                 :            :  * The Initial Developer of the Original Code is
      16                 :            :  *       [ Surendran Mahendran <surenspost@gmail.com>]
      17                 :            :  *
      18                 :            :  * Alternatively, the contents of this file may be used under the terms of
      19                 :            :  * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
      20                 :            :  * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
      21                 :            :  * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
      22                 :            :  * instead of those above.
      23                 :            :  */
      24                 :            : 
      25                 :            : #include "sal/config.h"
      26                 :            : 
      27                 :            : #include "svtools/filechangedchecker.hxx"
      28                 :            : 
      29                 :          0 : FileChangedChecker::FileChangedChecker(const rtl::OUString& rFilename, const ::boost::function0<void>& rCallback) :
      30                 :            :     mTimer(),
      31                 :            :     mFileName(rFilename),
      32                 :            :     mLastModTime(),
      33         [ #  # ]:          0 :     mpCallback(rCallback)
      34                 :            : {
      35                 :            :     // Get the curren last file modified Status
      36         [ #  # ]:          0 :     getCurrentModTime(mLastModTime);
      37                 :            : 
      38                 :            :     // associate the callback function for the timer
      39         [ #  # ]:          0 :     mTimer.SetTimeoutHdl(LINK(this, FileChangedChecker, TimerHandler));
      40                 :            : 
      41                 :            :     //start the timer
      42         [ #  # ]:          0 :     resetTimer();
      43                 :          0 : }
      44                 :            : 
      45                 :          0 : void FileChangedChecker::resetTimer()
      46                 :            : {
      47                 :            :     //Start the timer if its not active
      48         [ #  # ]:          0 :     if(!mTimer.IsActive())
      49                 :          0 :         mTimer.Start();
      50                 :            : 
      51                 :            :     // Set a timeout of 3 seconds
      52                 :          0 :     mTimer.SetTimeout(3000);
      53                 :          0 : }
      54                 :            : 
      55                 :          0 : bool FileChangedChecker::getCurrentModTime(TimeValue& o_rValue) const
      56                 :            : {
      57                 :            :     // Need a Directory item to fetch file status
      58                 :          0 :     osl::DirectoryItem aItem;
      59         [ #  # ]:          0 :     osl::DirectoryItem::get(mFileName, aItem);
      60                 :            : 
      61                 :            :     // Retrieve the status - we are only interested in last File
      62                 :            :     // Modified time
      63                 :          0 :     osl::FileStatus aStatus( osl_FileStatus_Mask_ModifyTime );
      64 [ #  # ][ #  # ]:          0 :     if( osl::FileBase::E_None != aItem.getFileStatus(aStatus) )
      65                 :          0 :         return false;
      66                 :            : 
      67         [ #  # ]:          0 :     o_rValue = aStatus.getModifyTime();
      68         [ #  # ]:          0 :     return true;
      69                 :            : }
      70                 :            : 
      71                 :          0 : bool FileChangedChecker::hasFileChanged()
      72                 :            : {
      73                 :            :     // Get the current file Status
      74                 :          0 :     TimeValue newTime={0,0};
      75 [ #  # ][ #  # ]:          0 :     if( !getCurrentModTime(newTime) )
      76                 :          0 :         return true; // well. hard to answer correctly here ...
      77                 :            : 
      78                 :            :     // Check if the seconds time stamp has any difference
      79                 :            :     // If so, then our file has changed meanwhile
      80 [ #  # ][ #  # ]:          0 :     if( newTime.Seconds != mLastModTime.Seconds ||
      81                 :            :         newTime.Nanosec != mLastModTime.Nanosec )
      82                 :            :     {
      83                 :            :         // Since the file has changed, set the new status as the file status and
      84                 :            :         // return True
      85                 :          0 :         mLastModTime = newTime ;
      86                 :            : 
      87                 :          0 :         return true;
      88                 :            :     }
      89                 :            :     else
      90                 :          0 :         return false;
      91                 :            : }
      92                 :            : 
      93                 :          0 : IMPL_LINK_NOARG(FileChangedChecker, TimerHandler)
      94                 :            : {
      95                 :            :     // If the file has changed, then update the graphic in the doc
      96                 :            :     OSL_TRACE("Timeout Called");
      97         [ #  # ]:          0 :     if(hasFileChanged())
      98                 :            :     {
      99                 :            :         OSL_TRACE("File modified");
     100                 :          0 :         mpCallback();
     101                 :            :     }
     102                 :            : 
     103                 :            :     // Reset the timer in any case
     104                 :          0 :     resetTimer();
     105                 :          0 :     return 0;
     106                 :            : }
     107                 :            : 
     108                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

Generated by: LCOV version 1.10