Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 691 insertions, 0 deletions

diff --git a/embeddedobj/source/msole/olemisc.cxx b/embeddedobj/source/msole/olemisc.cxx
new file mode 100644
index 000000000..6de6a9cdc
--- /dev/null
+++ b/embeddedobj/source/msole/olemisc.cxx
@@ -0,0 +1,691 @@
+/* -*- 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 <sal/config.h>
+
+#include <cassert>
+
+#include <com/sun/star/embed/EmbedUpdateModes.hpp>
+#include <com/sun/star/embed/EmbedStates.hpp>
+#include <com/sun/star/embed/WrongStateException.hpp>
+#include <com/sun/star/lang/NoSupportException.hpp>
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/lang/DisposedException.hpp>
+
+#include <cppuhelper/interfacecontainer.h>
+#include <comphelper/sequenceashashmap.hxx>
+
+#include <oleembobj.hxx>
+#include "olepersist.hxx"
+
+#include "ownview.hxx"
+
+#if defined(_WIN32)
+#include "olecomponent.hxx"
+#endif
+
+using namespace ::com::sun::star;
+
+
+OleEmbeddedObject::OleEmbeddedObject( const uno::Reference< lang::XMultiServiceFactory >& xFactory,
+                                      const uno::Sequence< sal_Int8 >& aClassID,
+                                      const OUString& aClassName )
+: m_pOleComponent( nullptr )
+, m_bReadOnly( false )
+, m_bDisposed( false )
+, m_nObjectState( -1 )
+, m_nTargetState( -1 )
+, m_nUpdateMode ( embed::EmbedUpdateModes::ALWAYS_UPDATE )
+, m_xFactory( xFactory )
+, m_aClassID( aClassID )
+, m_aClassName( aClassName )
+, m_bWaitSaveCompleted( false )
+, m_bNewVisReplInStream( true )
+, m_bStoreLoaded( false )
+, m_bVisReplInitialized( false )
+, m_bVisReplInStream( false )
+, m_bStoreVisRepl( false )
+, m_bIsLink( false )
+, m_bHasCachedSize( false )
+, m_nCachedAspect( 0 )
+, m_bHasSizeToSet( false )
+, m_nAspectToSet( 0 )
+, m_bGotStatus( false )
+, m_nStatus( 0 )
+, m_nStatusAspect( 0 )
+, m_bFromClipboard( false )
+, m_bTriedConversion( false )
+{
+}
+
+
+// In case of loading from persistent entry the classID of the object
+// will be retrieved from the entry, during construction it is unknown
+OleEmbeddedObject::OleEmbeddedObject( const uno::Reference< lang::XMultiServiceFactory >& xFactory, bool bLink )
+: m_pOleComponent( nullptr )
+, m_bReadOnly( false )
+, m_bDisposed( false )
+, m_nObjectState( -1 )
+, m_nTargetState( -1 )
+, m_nUpdateMode( embed::EmbedUpdateModes::ALWAYS_UPDATE )
+, m_xFactory( xFactory )
+, m_bWaitSaveCompleted( false )
+, m_bNewVisReplInStream( true )
+, m_bStoreLoaded( false )
+, m_bVisReplInitialized( false )
+, m_bVisReplInStream( false )
+, m_bStoreVisRepl( false )
+, m_bIsLink( bLink )
+, m_bHasCachedSize( false )
+, m_nCachedAspect( 0 )
+, m_bHasSizeToSet( false )
+, m_nAspectToSet( 0 )
+, m_bGotStatus( false )
+, m_nStatus( 0 )
+, m_nStatusAspect( 0 )
+, m_bFromClipboard( false )
+, m_bTriedConversion( false )
+{
+}
+#ifdef _WIN32
+
+// this constructor let object be initialized from clipboard
+OleEmbeddedObject::OleEmbeddedObject( const uno::Reference< lang::XMultiServiceFactory >& xFactory )
+: m_pOleComponent( nullptr )
+, m_bReadOnly( false )
+, m_bDisposed( false )
+, m_nObjectState( -1 )
+, m_nTargetState( -1 )
+, m_nUpdateMode( embed::EmbedUpdateModes::ALWAYS_UPDATE )
+, m_xFactory( xFactory )
+, m_bWaitSaveCompleted( false )
+, m_bNewVisReplInStream( true )
+, m_bStoreLoaded( false )
+, m_bVisReplInitialized( false )
+, m_bVisReplInStream( false )
+, m_bStoreVisRepl( false )
+, m_bIsLink( false )
+, m_bHasCachedSize( false )
+, m_nCachedAspect( 0 )
+, m_bHasSizeToSet( false )
+, m_nAspectToSet( 0 )
+, m_bGotStatus( false )
+, m_nStatus( 0 )
+, m_nStatusAspect( 0 )
+, m_bFromClipboard( true )
+, m_bTriedConversion( false )
+{
+}
+#endif
+
+OleEmbeddedObject::~OleEmbeddedObject()
+{
+    OSL_ENSURE( !m_pInterfaceContainer && !m_pOleComponent && !m_xObjectStream.is(),
+                    "The object is not closed! DISASTER is possible!" );
+
+    if ( m_pOleComponent || m_pInterfaceContainer || m_xObjectStream.is() )
+    {
+        // the component must be cleaned during closing
+        osl_atomic_increment(&m_refCount); // to avoid crash
+        try {
+            Dispose();
+        } catch( const uno::Exception& ) {}
+    }
+
+    if ( !m_aTempURL.isEmpty() )
+           KillFile_Impl( m_aTempURL, m_xFactory );
+
+    if ( !m_aTempDumpURL.isEmpty() )
+           KillFile_Impl( m_aTempDumpURL, m_xFactory );
+}
+
+
+void OleEmbeddedObject::MakeEventListenerNotification_Impl( const OUString& aEventName )
+{
+    if ( !m_pInterfaceContainer )
+        return;
+
+    ::cppu::OInterfaceContainerHelper* pContainer =
+    m_pInterfaceContainer->getContainer(
+                                cppu::UnoType<document::XEventListener>::get());
+    if ( pContainer == nullptr )
+        return;
+
+    document::EventObject aEvent( static_cast< ::cppu::OWeakObject* >( this ), aEventName );
+    ::cppu::OInterfaceIteratorHelper pIterator(*pContainer);
+    while (pIterator.hasMoreElements())
+    {
+        try
+        {
+            static_cast<document::XEventListener*>(pIterator.next())->notifyEvent( aEvent );
+        }
+        catch( const uno::RuntimeException& )
+        {
+        }
+    }
+}
+#ifdef _WIN32
+
+void OleEmbeddedObject::StateChangeNotification_Impl( bool bBeforeChange, sal_Int32 nOldState, sal_Int32 nNewState )
+{
+    if ( m_pInterfaceContainer )
+    {
+        ::cppu::OInterfaceContainerHelper* pContainer = m_pInterfaceContainer->getContainer(
+                            cppu::UnoType<embed::XStateChangeListener>::get());
+        if ( pContainer != nullptr )
+        {
+            lang::EventObject aSource( static_cast< ::cppu::OWeakObject* >( this ) );
+            ::cppu::OInterfaceIteratorHelper pIterator(*pContainer);
+
+            while (pIterator.hasMoreElements())
+            {
+                if ( bBeforeChange )
+                {
+                    try
+                    {
+                        static_cast<embed::XStateChangeListener*>(pIterator.next())->changingState( aSource, nOldState, nNewState );
+                    }
+                    catch( const uno::Exception& )
+                    {
+                        // even if the listener complains ignore it for now
+                    }
+                }
+                else
+                {
+                       try
+                    {
+                        static_cast<embed::XStateChangeListener*>(pIterator.next())->stateChanged( aSource, nOldState, nNewState );
+                    }
+                    catch( const uno::Exception& )
+                    {
+                        // if anything happened it is problem of listener, ignore it
+                    }
+                }
+            }
+        }
+    }
+}
+#endif
+
+void OleEmbeddedObject::GetRidOfComponent()
+{
+#ifdef _WIN32
+    if ( m_pOleComponent )
+    {
+        if ( m_nObjectState != -1 && m_nObjectState != embed::EmbedStates::LOADED )
+            SaveObject_Impl();
+
+        m_pOleComponent->removeCloseListener( m_xClosePreventer );
+        try
+        {
+            m_pOleComponent->close( false );
+        }
+        catch( const uno::Exception& )
+        {
+            // TODO: there should be a special listener to wait for component closing
+            //       and to notify object, may be object itself can be such a listener
+            m_pOleComponent->addCloseListener( m_xClosePreventer );
+            throw;
+        }
+
+        m_pOleComponent->disconnectEmbeddedObject();
+        m_pOleComponent->release();
+        m_pOleComponent = nullptr;
+    }
+#endif
+}
+
+
+void OleEmbeddedObject::Dispose()
+{
+    if ( m_pInterfaceContainer )
+    {
+        lang::EventObject aSource( static_cast< ::cppu::OWeakObject* >( this ) );
+        m_pInterfaceContainer->disposeAndClear( aSource );
+        m_pInterfaceContainer.reset();
+    }
+
+    if ( m_xOwnView.is() )
+    {
+        m_xOwnView->Close();
+        m_xOwnView.clear();
+    }
+
+    if ( m_pOleComponent )
+        try {
+            GetRidOfComponent();
+        } catch( const uno::Exception& )
+        {
+            m_bDisposed = true;
+            throw; // TODO: there should be a special listener that will close object when
+                    // component is finally closed
+        }
+
+    if ( m_xObjectStream.is() )
+    {
+        uno::Reference< lang::XComponent > xComp( m_xObjectStream, uno::UNO_QUERY );
+        OSL_ENSURE( xComp.is(), "Storage stream doesn't support XComponent!" );
+
+        if ( xComp.is() )
+        {
+            try {
+                xComp->dispose();
+            } catch( const uno::Exception& ) {}
+        }
+        m_xObjectStream.clear();
+    }
+
+    m_xParentStorage.clear();
+
+    m_bDisposed = true;
+}
+
+
+uno::Sequence< sal_Int8 > SAL_CALL OleEmbeddedObject::getClassID()
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        return xWrappedObject->getClassID();
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bDisposed )
+        throw lang::DisposedException(); // TODO
+
+    return m_aClassID;
+}
+
+
+OUString SAL_CALL OleEmbeddedObject::getClassName()
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        return xWrappedObject->getClassName();
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bDisposed )
+        throw lang::DisposedException(); // TODO
+
+    return m_aClassName;
+}
+
+
+void SAL_CALL OleEmbeddedObject::setClassInfo(
+                const uno::Sequence< sal_Int8 >& aClassID, const OUString& aClassName )
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->setClassInfo( aClassID, aClassName );
+        return;
+    }
+    // end wrapping related part ====================
+
+    // the object class info can not be changed explicitly
+    throw lang::NoSupportException(); //TODO:
+}
+
+
+uno::Reference< util::XCloseable > SAL_CALL OleEmbeddedObject::getComponent()
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        return xWrappedObject->getComponent();
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bDisposed )
+        throw lang::DisposedException(); // TODO
+
+    if ( m_nObjectState == -1 ) // || m_nObjectState == embed::EmbedStates::LOADED )
+    {
+        // the object is still not running
+        throw uno::RuntimeException( "The object is not loaded!",
+                                        static_cast< ::cppu::OWeakObject* >(this) );
+    }
+
+#if defined(_WIN32)
+    if (m_pOleComponent != nullptr)
+    {
+        return uno::Reference< util::XCloseable >( static_cast< ::cppu::OWeakObject* >( m_pOleComponent ), uno::UNO_QUERY );
+    }
+#endif
+
+    assert(m_pOleComponent == nullptr);
+    // TODO/LATER: Is it correct???
+    return uno::Reference< util::XCloseable >();
+    // throw uno::RuntimeException(); // TODO
+}
+
+
+void SAL_CALL OleEmbeddedObject::addStateChangeListener( const uno::Reference< embed::XStateChangeListener >& xListener )
+{
+    // begin wrapping related part ====================
+    if ( m_xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        m_xWrappedObject->addStateChangeListener( xListener );
+        return;
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bDisposed )
+        throw lang::DisposedException(); // TODO
+
+    if ( !m_pInterfaceContainer )
+        m_pInterfaceContainer.reset(new ::cppu::OMultiTypeInterfaceContainerHelper( m_aMutex ));
+
+    m_pInterfaceContainer->addInterface( cppu::UnoType<embed::XStateChangeListener>::get(),
+                                                        xListener );
+}
+
+
+void SAL_CALL OleEmbeddedObject::removeStateChangeListener(
+                    const uno::Reference< embed::XStateChangeListener >& xListener )
+{
+    // begin wrapping related part ====================
+    if ( m_xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        m_xWrappedObject->removeStateChangeListener( xListener );
+        return;
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_pInterfaceContainer )
+        m_pInterfaceContainer->removeInterface( cppu::UnoType<embed::XStateChangeListener>::get(),
+                                                xListener );
+}
+
+
+void SAL_CALL OleEmbeddedObject::close( sal_Bool bDeliverOwnership )
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->close( bDeliverOwnership );
+        return;
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bDisposed )
+        throw lang::DisposedException(); // TODO
+
+    uno::Reference< uno::XInterface > xSelfHold( static_cast< ::cppu::OWeakObject* >( this ) );
+    lang::EventObject aSource( static_cast< ::cppu::OWeakObject* >( this ) );
+
+    if ( m_pInterfaceContainer )
+    {
+        ::cppu::OInterfaceContainerHelper* pContainer =
+            m_pInterfaceContainer->getContainer( cppu::UnoType<util::XCloseListener>::get());
+        if ( pContainer != nullptr )
+        {
+            ::cppu::OInterfaceIteratorHelper pIterator(*pContainer);
+            while (pIterator.hasMoreElements())
+            {
+                try
+                {
+                    static_cast<util::XCloseListener*>(pIterator.next())->queryClosing( aSource, bDeliverOwnership );
+                }
+                catch( const uno::RuntimeException& )
+                {
+                    pIterator.remove();
+                }
+            }
+        }
+
+        pContainer = m_pInterfaceContainer->getContainer(
+                                    cppu::UnoType<util::XCloseListener>::get());
+        if ( pContainer != nullptr )
+        {
+            ::cppu::OInterfaceIteratorHelper pCloseIterator(*pContainer);
+            while (pCloseIterator.hasMoreElements())
+            {
+                try
+                {
+                    static_cast<util::XCloseListener*>(pCloseIterator.next())->notifyClosing( aSource );
+                }
+                catch( const uno::RuntimeException& )
+                {
+                    pCloseIterator.remove();
+                }
+            }
+        }
+    }
+
+    Dispose();
+}
+
+
+void SAL_CALL OleEmbeddedObject::addCloseListener( const uno::Reference< util::XCloseListener >& xListener )
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->addCloseListener( xListener );
+        return;
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bDisposed )
+        throw lang::DisposedException(); // TODO
+
+    if ( !m_pInterfaceContainer )
+        m_pInterfaceContainer.reset(new ::cppu::OMultiTypeInterfaceContainerHelper( m_aMutex ));
+
+    m_pInterfaceContainer->addInterface( cppu::UnoType<util::XCloseListener>::get(), xListener );
+}
+
+
+void SAL_CALL OleEmbeddedObject::removeCloseListener( const uno::Reference< util::XCloseListener >& xListener )
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->removeCloseListener( xListener );
+        return;
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bDisposed )
+        throw lang::DisposedException(); // TODO
+
+    if ( m_pInterfaceContainer )
+        m_pInterfaceContainer->removeInterface( cppu::UnoType<util::XCloseListener>::get(),
+                                                xListener );
+}
+
+
+void SAL_CALL OleEmbeddedObject::addEventListener( const uno::Reference< document::XEventListener >& xListener )
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->addEventListener( xListener );
+        return;
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bDisposed )
+        throw lang::DisposedException(); // TODO
+
+    if ( !m_pInterfaceContainer )
+        m_pInterfaceContainer.reset(new ::cppu::OMultiTypeInterfaceContainerHelper( m_aMutex ));
+
+    m_pInterfaceContainer->addInterface( cppu::UnoType<document::XEventListener>::get(), xListener );
+}
+
+
+void SAL_CALL OleEmbeddedObject::removeEventListener(
+                const uno::Reference< document::XEventListener >& xListener )
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XEmbeddedObject > xWrappedObject = m_xWrappedObject;
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->removeEventListener( xListener );
+        return;
+    }
+    // end wrapping related part ====================
+
+    ::osl::MutexGuard aGuard( m_aMutex );
+    if ( m_bDisposed )
+        throw lang::DisposedException(); // TODO
+
+    if ( m_pInterfaceContainer )
+        m_pInterfaceContainer->removeInterface( cppu::UnoType<document::XEventListener>::get(),
+                                                xListener );
+}
+
+// XInplaceObject ( wrapper related implementation )
+
+void SAL_CALL OleEmbeddedObject::setObjectRectangles( const awt::Rectangle& aPosRect,
+                                                           const awt::Rectangle& aClipRect )
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XInplaceObject > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->setObjectRectangles( aPosRect, aClipRect );
+        return;
+    }
+    // end wrapping related part ====================
+
+    throw embed::WrongStateException();
+}
+
+
+void SAL_CALL OleEmbeddedObject::enableModeless( sal_Bool bEnable )
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XInplaceObject > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->enableModeless( bEnable );
+        return;
+    }
+    // end wrapping related part ====================
+
+    throw embed::WrongStateException();
+}
+
+
+void SAL_CALL OleEmbeddedObject::translateAccelerators(
+                    const uno::Sequence< awt::KeyEvent >& aKeys )
+{
+    // begin wrapping related part ====================
+    uno::Reference< embed::XInplaceObject > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->translateAccelerators( aKeys );
+        return;
+    }
+    // end wrapping related part ====================
+
+}
+
+// XChild
+
+css::uno::Reference< css::uno::XInterface > SAL_CALL OleEmbeddedObject::getParent()
+{
+    // begin wrapping related part ====================
+    uno::Reference< container::XChild > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        return xWrappedObject->getParent();
+    }
+    // end wrapping related part ====================
+
+    return m_xParent;
+}
+
+
+void SAL_CALL OleEmbeddedObject::setParent( const css::uno::Reference< css::uno::XInterface >& xParent )
+{
+    // begin wrapping related part ====================
+    uno::Reference< container::XChild > xWrappedObject( m_xWrappedObject, uno::UNO_QUERY );
+    if ( xWrappedObject.is() )
+    {
+        // the object was converted to OOo embedded object, the current implementation is now only a wrapper
+        xWrappedObject->setParent( xParent );
+        return;
+    }
+    // end wrapping related part ====================
+
+    m_xParent = xParent;
+}
+
+void OleEmbeddedObject::setStream(const css::uno::Reference<css::io::XStream>& xStream)
+{
+    m_xObjectStream = xStream;
+}
+
+css::uno::Reference<css::io::XStream> OleEmbeddedObject::getStream()
+{
+    return m_xObjectStream;
+}
+
+void OleEmbeddedObject::initialize(const uno::Sequence<uno::Any>& rArguments)
+{
+    if (!rArguments.hasElements())
+        return;
+
+    comphelper::SequenceAsHashMap aValues(rArguments[0]);
+    for (const auto& rValue : aValues)
+    {
+        if (rValue.first == "StreamReadOnly")
+            rValue.second >>= m_bStreamReadOnly;
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */