Line data    Source code

       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 <comphelper/stillreadwriteinteraction.hxx>
      21             : 
      22             : #include <com/sun/star/ucb/InteractiveIOException.hpp>
      23             : 
      24             : #include <com/sun/star/task/XInteractionAbort.hpp>
      25             : 
      26             : #include <com/sun/star/ucb/UnsupportedDataSinkException.hpp>
      27             : 
      28             : namespace comphelper{
      29             : 
      30           0 : StillReadWriteInteraction::StillReadWriteInteraction(const css::uno::Reference< css::task::XInteractionHandler >& xHandler)
      31             :              : m_bUsed                    (false)
      32             :              , m_bHandledByMySelf         (false)
      33           0 :              , m_bHandledByInternalHandler(false)
      34             : {
      35           0 :     ::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest > lInterceptions;
      36           0 :     ::ucbhelper::InterceptedInteraction::InterceptedRequest                  aInterceptedRequest;
      37             : 
      38           0 :     aInterceptedRequest.Handle = HANDLE_INTERACTIVEIOEXCEPTION;
      39           0 :     aInterceptedRequest.Request <<= css::ucb::InteractiveIOException();
      40           0 :     aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0));
      41           0 :     aInterceptedRequest.MatchExact = false;
      42           0 :     lInterceptions.push_back(aInterceptedRequest);
      43             : 
      44           0 :     aInterceptedRequest.Handle = HANDLE_UNSUPPORTEDDATASINKEXCEPTION;
      45           0 :     aInterceptedRequest.Request <<= css::ucb::UnsupportedDataSinkException();
      46           0 :     aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0));
      47           0 :     aInterceptedRequest.MatchExact = false;
      48           0 :     lInterceptions.push_back(aInterceptedRequest);
      49             : 
      50           0 :     setInterceptedHandler(xHandler);
      51           0 :     setInterceptions(lInterceptions);
      52           0 : }
      53             : 
      54           0 : void StillReadWriteInteraction::resetInterceptions()
      55             : {
      56           0 :     setInterceptions(::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest >());
      57           0 : }
      58             : 
      59           0 : void StillReadWriteInteraction::resetErrorStates()
      60             : {
      61           0 :     m_bUsed                     = false;
      62           0 :     m_bHandledByMySelf          = false;
      63           0 :     m_bHandledByInternalHandler = false;
      64           0 : }
      65             : 
      66           0 : bool StillReadWriteInteraction::wasWriteError()
      67             : {
      68           0 :     return (m_bUsed && m_bHandledByMySelf);
      69             : }
      70             : 
      71           0 : ucbhelper::InterceptedInteraction::EInterceptionState StillReadWriteInteraction::intercepted(const ::ucbhelper::InterceptedInteraction::InterceptedRequest&                         aRequest,
      72             :                                                                   const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest)
      73             : {
      74             :     // we are used!
      75           0 :     m_bUsed = true;
      76             : 
      77             :     // check if it's a real interception - might some parameters are not the right ones ...
      78           0 :     bool bAbort = false;
      79           0 :     switch(aRequest.Handle)
      80             :     {
      81             :     case HANDLE_INTERACTIVEIOEXCEPTION:
      82             :         {
      83           0 :             css::ucb::InteractiveIOException exIO;
      84           0 :             xRequest->getRequest() >>= exIO;
      85             :             bAbort = (
      86           0 :                 (exIO.Code == css::ucb::IOErrorCode_ACCESS_DENIED     )
      87           0 :                 || (exIO.Code == css::ucb::IOErrorCode_LOCKING_VIOLATION )
      88           0 :                 || (exIO.Code == css::ucb::IOErrorCode_NOT_EXISTING )
      89             : #ifdef MACOSX
      90             :                 // this is a workaround for MAC, on this platform if the file is locked
      91             :                 // the returned error code looks to be wrong
      92             :                 || (exIO.Code == css::ucb::IOErrorCode_GENERAL )
      93             : #endif
      94           0 :                 );
      95             :         }
      96           0 :         break;
      97             : 
      98             :     case HANDLE_UNSUPPORTEDDATASINKEXCEPTION:
      99             :         {
     100           0 :             bAbort = true;
     101             :         }
     102           0 :         break;
     103             :     }
     104             : 
     105             :     // handle interaction by ourself
     106           0 :     if (bAbort)
     107             :     {
     108           0 :         m_bHandledByMySelf = true;
     109             :         css::uno::Reference< css::task::XInteractionContinuation > xAbort = ::ucbhelper::InterceptedInteraction::extractContinuation(
     110           0 :             xRequest->getContinuations(),
     111           0 :             ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0)));
     112           0 :         if (!xAbort.is())
     113           0 :             return ::ucbhelper::InterceptedInteraction::E_NO_CONTINUATION_FOUND;
     114           0 :         xAbort->select();
     115           0 :         return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
     116             :     }
     117             : 
     118             :     // Otherwhise use internal handler.
     119           0 :     if (m_xInterceptedHandler.is())
     120             :     {
     121           0 :         m_bHandledByInternalHandler = true;
     122           0 :         m_xInterceptedHandler->handle(xRequest);
     123             :     }
     124           0 :     return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED;
     125             : }
     126             : }
     127             : 
     128             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */