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+/*************************************************************************
+ *
+ * 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.
+ *
+ ************************************************************************/
+#include "precompiled_sw.hxx"
+#include <retrievedinputstreamdata.hxx>
+#include <retrieveinputstreamconsumer.hxx>
+#include <vcl/svapp.hxx>
+
+/** implementation of class <SwRetrievedInputStreamDataManager>
+
+ OD 2007-01-30 #i73788#
+*/
+SwRetrievedInputStreamDataManager* SwRetrievedInputStreamDataManager::mpManager = 0;
+SwRetrievedInputStreamDataManager::tDataKey SwRetrievedInputStreamDataManager::mnNextKeyValue = 1;
+osl::Mutex SwRetrievedInputStreamDataManager::maGetManagerMutex;
+
+SwRetrievedInputStreamDataManager& SwRetrievedInputStreamDataManager::GetManager()
+{
+ osl::MutexGuard aGuard(maGetManagerMutex);
+
+ if ( mpManager == 0 )
+ {
+ mpManager = new SwRetrievedInputStreamDataManager();
+ }
+
+ return *mpManager;
+}
+
+SwRetrievedInputStreamDataManager::tDataKey SwRetrievedInputStreamDataManager::ReserveData(
+ boost::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer )
+{
+ osl::MutexGuard aGuard(maMutex);
+
+ // create empty data container for given thread Consumer
+ tDataKey nDataKey( mnNextKeyValue );
+ tData aNewEntry( pThreadConsumer );
+ maInputStreamData[ nDataKey ] = aNewEntry;
+
+ // prepare next data key value
+ if ( mnNextKeyValue < SAL_MAX_UINT64 )
+ {
+ ++mnNextKeyValue;
+ }
+ else
+ {
+ mnNextKeyValue = 1;
+ }
+
+ return nDataKey;
+}
+
+void SwRetrievedInputStreamDataManager::PushData(
+ const tDataKey nDataKey,
+ com::sun::star::uno::Reference<com::sun::star::io::XInputStream> xInputStream,
+ const sal_Bool bIsStreamReadOnly )
+{
+ osl::MutexGuard aGuard(maMutex);
+
+ std::map< tDataKey, tData >::iterator aIter = maInputStreamData.find( nDataKey );
+
+ if ( aIter != maInputStreamData.end() )
+ {
+ // Fill data container.
+ (*aIter).second.mxInputStream = xInputStream;
+ (*aIter).second.mbIsStreamReadOnly = bIsStreamReadOnly;
+
+ // post user event to process the retrieved input stream data
+ if ( GetpApp() )
+ {
+
+ tDataKey* pDataKey = new tDataKey;
+ *pDataKey = nDataKey;
+ GetpApp()->PostUserEvent( LINK( this, SwRetrievedInputStreamDataManager, LinkedInputStreamReady ), pDataKey );
+ }
+ else
+ {
+ // no application available -> discard data
+ maInputStreamData.erase( aIter );
+ }
+ }
+}
+
+bool SwRetrievedInputStreamDataManager::PopData( const tDataKey nDataKey,
+ tData& rData )
+{
+ osl::MutexGuard aGuard(maMutex);
+
+ bool bDataProvided( false );
+
+ std::map< tDataKey, tData >::iterator aIter = maInputStreamData.find( nDataKey );
+
+ if ( aIter != maInputStreamData.end() )
+ {
+ rData.mpThreadConsumer = (*aIter).second.mpThreadConsumer;
+ rData.mxInputStream = (*aIter).second.mxInputStream;
+ rData.mbIsStreamReadOnly = (*aIter).second.mbIsStreamReadOnly;
+
+ maInputStreamData.erase( aIter );
+
+ bDataProvided = true;
+ }
+
+ return bDataProvided;
+}
+
+/** callback function, which is triggered by input stream data manager on
+ filling of the data container to provide retrieved input stream to the
+ thread Consumer using <Application::PostUserEvent(..)>
+
+ OD 2007-01-29 #i73788#
+ Note: This method has to be run in the main thread.
+
+ @author OD
+*/
+IMPL_LINK( SwRetrievedInputStreamDataManager,
+ LinkedInputStreamReady,
+ SwRetrievedInputStreamDataManager::tDataKey*,
+ pDataKey )
+{
+ if ( !pDataKey )
+ {
+ return 0;
+ }
+
+ osl::MutexGuard aGuard(maMutex);
+
+ SwRetrievedInputStreamDataManager& rDataManager =
+ SwRetrievedInputStreamDataManager::GetManager();
+ SwRetrievedInputStreamDataManager::tData aInputStreamData;
+ if ( rDataManager.PopData( *pDataKey, aInputStreamData ) )
+ {
+ boost::shared_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer =
+ aInputStreamData.mpThreadConsumer.lock();
+ if ( pThreadConsumer )
+ {
+ pThreadConsumer->ApplyInputStream( aInputStreamData.mxInputStream,
+ aInputStreamData.mbIsStreamReadOnly );
+ }
+ }
+ delete pDataKey;
+
+ return 0;
+}
+