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Diffstat (limited to 'comphelper/source/misc/stillreadwriteinteraction.cxx')
-rw-r--r-- | comphelper/source/misc/stillreadwriteinteraction.cxx | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/comphelper/source/misc/stillreadwriteinteraction.cxx b/comphelper/source/misc/stillreadwriteinteraction.cxx new file mode 100644 index 000000000000..9054f0754b5e --- /dev/null +++ b/comphelper/source/misc/stillreadwriteinteraction.cxx @@ -0,0 +1,144 @@ +/************************************************************************* +* +* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +* +* Copyright 2000, 2010 Oracle and/or its affiliates. +* +* OpenOffice.org - a multi-platform office productivity suite +* +* This file is part of OpenOffice.org. +* +* OpenOffice.org is free software: you can redistribute it and/or modify +* it under the terms of the GNU Lesser General Public License version 3 +* only, as published by the Free Software Foundation. +* +* OpenOffice.org is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +* GNU Lesser General Public License version 3 for more details +* (a copy is included in the LICENSE file that accompanied this code). +* +* You should have received a copy of the GNU Lesser General Public License +* version 3 along with OpenOffice.org. If not, see +* <http://www.openoffice.org/license.html> +* for a copy of the LGPLv3 License. +* +************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_comphelper.hxx" +#include <comphelper/stillreadwriteinteraction.hxx> + +#ifndef __COM_SUN_STAR_UCB_INTERACTIVEIOEXCEPTION_HPP__ +#include <com/sun/star/ucb/InteractiveIOException.hpp> +#endif + +#ifndef __COM_SUN_STAR_TASK_XINTERACTIONABORT_HPP__ +#include <com/sun/star/task/XInteractionAbort.hpp> +#endif + +#ifndef __COM_SUN_STAR_UCB_UNSUPPORTEDDATASINKEXCEPTION_HPP__ +#include <com/sun/star/ucb/UnsupportedDataSinkException.hpp> +#endif + +namespace comphelper{ + + namespace css = ::com::sun::star; + +StillReadWriteInteraction::StillReadWriteInteraction(const css::uno::Reference< css::task::XInteractionHandler >& xHandler) + : m_bUsed (sal_False) + , m_bHandledByMySelf (sal_False) + , m_bHandledByInternalHandler(sal_False) +{ + ::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest > lInterceptions; + ::ucbhelper::InterceptedInteraction::InterceptedRequest aInterceptedRequest; + + aInterceptedRequest.Handle = HANDLE_INTERACTIVEIOEXCEPTION; + aInterceptedRequest.Request <<= css::ucb::InteractiveIOException(); + aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0)); + aInterceptedRequest.MatchExact = sal_False; + lInterceptions.push_back(aInterceptedRequest); + + aInterceptedRequest.Handle = HANDLE_UNSUPPORTEDDATASINKEXCEPTION; + aInterceptedRequest.Request <<= css::ucb::UnsupportedDataSinkException(); + aInterceptedRequest.Continuation = ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0)); + aInterceptedRequest.MatchExact = sal_False; + lInterceptions.push_back(aInterceptedRequest); + + setInterceptedHandler(xHandler); + setInterceptions(lInterceptions); +} + +void StillReadWriteInteraction::resetInterceptions() +{ + setInterceptions(::std::vector< ::ucbhelper::InterceptedInteraction::InterceptedRequest >()); +} + +void StillReadWriteInteraction::resetErrorStates() +{ + m_bUsed = sal_False; + m_bHandledByMySelf = sal_False; + m_bHandledByInternalHandler = sal_False; +} + +sal_Bool StillReadWriteInteraction::wasWriteError() +{ + return (m_bUsed && m_bHandledByMySelf); +} + +ucbhelper::InterceptedInteraction::EInterceptionState StillReadWriteInteraction::intercepted(const ::ucbhelper::InterceptedInteraction::InterceptedRequest& aRequest, + const ::com::sun::star::uno::Reference< ::com::sun::star::task::XInteractionRequest >& xRequest) +{ + // we are used! + m_bUsed = sal_True; + + // check if its a real interception - might some parameters are not the right ones ... + sal_Bool bAbort = sal_False; + switch(aRequest.Handle) + { + case HANDLE_INTERACTIVEIOEXCEPTION: + { + css::ucb::InteractiveIOException exIO; + xRequest->getRequest() >>= exIO; + bAbort = ( + (exIO.Code == css::ucb::IOErrorCode_ACCESS_DENIED ) + || (exIO.Code == css::ucb::IOErrorCode_LOCKING_VIOLATION ) + || (exIO.Code == css::ucb::IOErrorCode_NOT_EXISTING ) +#ifdef MACOSX + // this is a workaround for MAC, on this platform if the file is locked + // the returned error code looks to be wrong + || (exIO.Code == css::ucb::IOErrorCode_GENERAL ) +#endif + ); + } + break; + + case HANDLE_UNSUPPORTEDDATASINKEXCEPTION: + { + bAbort = sal_True; + } + break; + } + + // handle interaction by ourself + if (bAbort) + { + m_bHandledByMySelf = sal_True; + css::uno::Reference< css::task::XInteractionContinuation > xAbort = ::ucbhelper::InterceptedInteraction::extractContinuation( + xRequest->getContinuations(), + ::getCppuType(static_cast< css::uno::Reference< css::task::XInteractionAbort >* >(0))); + if (!xAbort.is()) + return ::ucbhelper::InterceptedInteraction::E_NO_CONTINUATION_FOUND; + xAbort->select(); + return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED; + } + + // Otherwhise use internal handler. + if (m_xInterceptedHandler.is()) + { + m_bHandledByInternalHandler = sal_True; + m_xInterceptedHandler->handle(xRequest); + } + return ::ucbhelper::InterceptedInteraction::E_INTERCEPTED; +} +} |