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See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_comphelper.hxx" 30 #include <comphelper/stillreadwriteinteraction.hxx> 31 32 #ifndef __COM_SUN_STAR_UCB_INTERACTIVEIOEXCEPTION_HPP__ 33 #include <com/sun/star/ucb/InteractiveIOException.hpp> 34 #endif 35 36 #ifndef __COM_SUN_STAR_TASK_XINTERACTIONABORT_HPP__ 37 #include <com/sun/star/task/XInteractionAbort.hpp> 38 #endif 39 40 #ifndef __COM_SUN_STAR_UCB_UNSUPPORTEDDATASINKEXCEPTION_HPP__ 41 #include <com/sun/star/ucb/UnsupportedDataSinkException.hpp> 42 #endif 43 44 namespace comphelper{ 45 46 namespace css = ::com::sun::star; 47 48 StillReadWriteInteraction::StillReadWriteInteraction(const css::uno::Reference< css::task::XInteractionHandler >& xHandler) 49 : m_bUsed (sal_False) 50 , m_bHandledByMySelf (sal_False) 51 , m_bHandledByInternalHandler(sal_False) 52 { 53 ::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest > lInterceptions; 54 ::ucbhelper::InterceptedInteraction::InterceptedRequest aInterceptedRequest; 55 56 aInterceptedRequest.Handle = HANDLE_INTERACTIVEIOEXCEPTION; 57 aInterceptedRequest.Request <<= css::ucb::InteractiveIOException(); 58 aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0)); 59 aInterceptedRequest.MatchExact = sal_False; 60 lInterceptions.push_back(aInterceptedRequest); 61 62 aInterceptedRequest.Handle = HANDLE_UNSUPPORTEDDATASINKEXCEPTION; 63 aInterceptedRequest.Request <<= css::ucb::UnsupportedDataSinkException(); 64 aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0)); 65 aInterceptedRequest.MatchExact = sal_False; 66 lInterceptions.push_back(aInterceptedRequest); 67 68 setInterceptedHandler(xHandler); 69 setInterceptions(lInterceptions); 70 } 71 72 void StillReadWriteInteraction::resetInterceptions() 73 { 74 setInterceptions(::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest >()); 75 } 76 77 void StillReadWriteInteraction::resetErrorStates() 78 { 79 m_bUsed = sal_False; 80 m_bHandledByMySelf = sal_False; 81 m_bHandledByInternalHandler = sal_False; 82 } 83 84 sal_Bool StillReadWriteInteraction::wasWriteError() 85 { 86 return (m_bUsed && m_bHandledByMySelf); 87 } 88 89 ucbhelper::InterceptedInteraction::EInterceptionState StillReadWriteInteraction::intercepted(const ::ucbhelper::InterceptedInteraction::InterceptedRequest& aRequest, 90 const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest) 91 { 92 // we are used! 93 m_bUsed = sal_True; 94 95 // check if its a real interception - might some parameters are not the right ones ... 96 sal_Bool bAbort = sal_False; 97 switch(aRequest.Handle) 98 { 99 case HANDLE_INTERACTIVEIOEXCEPTION: 100 { 101 css::ucb::InteractiveIOException exIO; 102 xRequest->getRequest() >>= exIO; 103 bAbort = ( 104 (exIO.Code == css::ucb::IOErrorCode_ACCESS_DENIED ) 105 || (exIO.Code == css::ucb::IOErrorCode_LOCKING_VIOLATION ) 106 || (exIO.Code == css::ucb::IOErrorCode_NOT_EXISTING ) 107 #ifdef MACOSX 108 // this is a workaround for MAC, on this platform if the file is locked 109 // the returned error code looks to be wrong 110 || (exIO.Code == css::ucb::IOErrorCode_GENERAL ) 111 #endif 112 ); 113 } 114 break; 115 116 case HANDLE_UNSUPPORTEDDATASINKEXCEPTION: 117 { 118 bAbort = sal_True; 119 } 120 break; 121 } 122 123 // handle interaction by ourself 124 if (bAbort) 125 { 126 m_bHandledByMySelf = sal_True; 127 css::uno::Reference< css::task::XInteractionContinuation > xAbort = ::ucbhelper::InterceptedInteraction::extractContinuation( 128 xRequest->getContinuations(), 129 ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0))); 130 if (!xAbort.is()) 131 return ::ucbhelper::InterceptedInteraction::E_NO_CONTINUATION_FOUND; 132 xAbort->select(); 133 return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED; 134 } 135 136 // Otherwhise use internal handler. 137 if (m_xInterceptedHandler.is()) 138 { 139 m_bHandledByInternalHandler = sal_True; 140 m_xInterceptedHandler->handle(xRequest); 141 } 142 return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED; 143 } 144 } 145