1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_comphelper.hxx" 26 #include <comphelper/stillreadwriteinteraction.hxx> 27 28 #ifndef __COM_SUN_STAR_UCB_INTERACTIVEIOEXCEPTION_HPP__ 29 #include <com/sun/star/ucb/InteractiveIOException.hpp> 30 #endif 31 32 #ifndef __COM_SUN_STAR_TASK_XINTERACTIONABORT_HPP__ 33 #include <com/sun/star/task/XInteractionAbort.hpp> 34 #endif 35 36 #ifndef __COM_SUN_STAR_UCB_UNSUPPORTEDDATASINKEXCEPTION_HPP__ 37 #include <com/sun/star/ucb/UnsupportedDataSinkException.hpp> 38 #endif 39 40 namespace comphelper{ 41 42 namespace css = ::com::sun::star; 43 44 StillReadWriteInteraction::StillReadWriteInteraction(const css::uno::Reference< css::task::XInteractionHandler >& xHandler) 45 : m_bUsed (sal_False) 46 , m_bHandledByMySelf (sal_False) 47 , m_bHandledByInternalHandler(sal_False) 48 { 49 ::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest > lInterceptions; 50 ::ucbhelper::InterceptedInteraction::InterceptedRequest aInterceptedRequest; 51 52 aInterceptedRequest.Handle = HANDLE_INTERACTIVEIOEXCEPTION; 53 aInterceptedRequest.Request <<= css::ucb::InteractiveIOException(); 54 aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0)); 55 aInterceptedRequest.MatchExact = sal_False; 56 lInterceptions.push_back(aInterceptedRequest); 57 58 aInterceptedRequest.Handle = HANDLE_UNSUPPORTEDDATASINKEXCEPTION; 59 aInterceptedRequest.Request <<= css::ucb::UnsupportedDataSinkException(); 60 aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0)); 61 aInterceptedRequest.MatchExact = sal_False; 62 lInterceptions.push_back(aInterceptedRequest); 63 64 setInterceptedHandler(xHandler); 65 setInterceptions(lInterceptions); 66 } 67 68 void StillReadWriteInteraction::resetInterceptions() 69 { 70 setInterceptions(::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest >()); 71 } 72 73 void StillReadWriteInteraction::resetErrorStates() 74 { 75 m_bUsed = sal_False; 76 m_bHandledByMySelf = sal_False; 77 m_bHandledByInternalHandler = sal_False; 78 } 79 80 sal_Bool StillReadWriteInteraction::wasWriteError() 81 { 82 return (m_bUsed && m_bHandledByMySelf); 83 } 84 85 ucbhelper::InterceptedInteraction::EInterceptionState StillReadWriteInteraction::intercepted(const ::ucbhelper::InterceptedInteraction::InterceptedRequest& aRequest, 86 const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest) 87 { 88 // we are used! 89 m_bUsed = sal_True; 90 91 // check if its a real interception - might some parameters are not the right ones ... 92 sal_Bool bAbort = sal_False; 93 switch(aRequest.Handle) 94 { 95 case HANDLE_INTERACTIVEIOEXCEPTION: 96 { 97 css::ucb::InteractiveIOException exIO; 98 xRequest->getRequest() >>= exIO; 99 bAbort = ( 100 (exIO.Code == css::ucb::IOErrorCode_ACCESS_DENIED ) 101 || (exIO.Code == css::ucb::IOErrorCode_LOCKING_VIOLATION ) 102 || (exIO.Code == css::ucb::IOErrorCode_NOT_EXISTING ) 103 #ifdef MACOSX 104 // this is a workaround for MAC, on this platform if the file is locked 105 // the returned error code looks to be wrong 106 || (exIO.Code == css::ucb::IOErrorCode_GENERAL ) 107 #endif 108 ); 109 } 110 break; 111 112 case HANDLE_UNSUPPORTEDDATASINKEXCEPTION: 113 { 114 bAbort = sal_True; 115 } 116 break; 117 } 118 119 // handle interaction by ourself 120 if (bAbort) 121 { 122 m_bHandledByMySelf = sal_True; 123 css::uno::Reference< css::task::XInteractionContinuation > xAbort = ::ucbhelper::InterceptedInteraction::extractContinuation( 124 xRequest->getContinuations(), 125 ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0))); 126 if (!xAbort.is()) 127 return ::ucbhelper::InterceptedInteraction::E_NO_CONTINUATION_FOUND; 128 xAbort->select(); 129 return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED; 130 } 131 132 // Otherwhise use internal handler. 133 if (m_xInterceptedHandler.is()) 134 { 135 m_bHandledByInternalHandler = sal_True; 136 m_xInterceptedHandler->handle(xRequest); 137 } 138 return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED; 139 } 140 } 141