1 files changed, 143 insertions, 0 deletions
diff --git a/sw/source/core/docnode/retrievedinputstreamdata.cxx b/sw/source/core/docnode/retrievedinputstreamdata.cxx
new file mode 100644
index 000000000..311be07ca
--- /dev/null
+++ b/sw/source/core/docnode/retrievedinputstreamdata.cxx
@@ -0,0 +1,143 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <retrievedinputstreamdata.hxx>
+#include <retrieveinputstreamconsumer.hxx>
+#include <vcl/svapp.hxx>
+
+// #i73788#
+
+SwRetrievedInputStreamDataManager::tDataKey SwRetrievedInputStreamDataManager::snNextKeyValue = 1;
+
+SwRetrievedInputStreamDataManager& SwRetrievedInputStreamDataManager::GetManager()
+{
+    static SwRetrievedInputStreamDataManager theSwRetrievedInputStreamDataManager;
+    return theSwRetrievedInputStreamDataManager;
+}
+
+SwRetrievedInputStreamDataManager::tDataKey SwRetrievedInputStreamDataManager::ReserveData(
+                        std::weak_ptr< SwAsyncRetrieveInputStreamThreadConsumer > const & pThreadConsumer )
+{
+    std::unique_lock aGuard(maMutex);
+
+    // create empty data container for given thread Consumer
+    tDataKey nDataKey( snNextKeyValue );
+    tData aNewEntry( pThreadConsumer );
+    maInputStreamData[ nDataKey ] = aNewEntry;
+
+    // prepare next data key value
+    if ( snNextKeyValue < SAL_MAX_UINT64 )
+    {
+        ++snNextKeyValue;
+    }
+    else
+    {
+        snNextKeyValue = 1;
+    }
+
+    return nDataKey;
+}
+
+void SwRetrievedInputStreamDataManager::PushData(
+        const tDataKey nDataKey,
+        css::uno::Reference<css::io::XInputStream> const & xInputStream,
+        const bool bIsStreamReadOnly )
+{
+    std::unique_lock aGuard(maMutex);
+
+    std::map< tDataKey, tData >::iterator aIter = maInputStreamData.find( nDataKey );
+
+    if ( aIter == maInputStreamData.end() )
+        return;
+
+    // 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;
+        Application::PostUserEvent( LINK( this, SwRetrievedInputStreamDataManager, LinkedInputStreamReady ), pDataKey );
+    }
+    else
+    {
+        // no application available -> discard data
+        maInputStreamData.erase( aIter );
+    }
+}
+
+bool SwRetrievedInputStreamDataManager::PopData( const tDataKey nDataKey,
+                                                 tData& rData )
+{
+    std::unique_lock 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(..)>
+
+    #i73788#
+    Note: This method has to be run in the main thread.
+*/
+IMPL_STATIC_LINK( SwRetrievedInputStreamDataManager, LinkedInputStreamReady,
+                  void*, p, void )
+{
+    SwRetrievedInputStreamDataManager::tDataKey* pDataKey = static_cast<SwRetrievedInputStreamDataManager::tDataKey*>(p);
+    if ( !pDataKey )
+    {
+        return;
+    }
+
+    SwRetrievedInputStreamDataManager& rDataManager =
+                            SwRetrievedInputStreamDataManager::GetManager();
+    SwRetrievedInputStreamDataManager::tData aInputStreamData;
+    if ( rDataManager.PopData( *pDataKey, aInputStreamData ) )
+    {
+        std::shared_ptr< SwAsyncRetrieveInputStreamThreadConsumer > pThreadConsumer =
+                                    aInputStreamData.mpThreadConsumer.lock();
+        if ( pThreadConsumer )
+        {
+            pThreadConsumer->ApplyInputStream( aInputStreamData.mxInputStream,
+                                               aInputStreamData.mbIsStreamReadOnly );
+        }
+    }
+    delete pDataKey;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */