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, 1875 insertions, 0 deletions

diff --git a/linguistic/source/lngsvcmgr.cxx b/linguistic/source/lngsvcmgr.cxx
new file mode 100644
index 000000000..16581700d
--- /dev/null
+++ b/linguistic/source/lngsvcmgr.cxx
@@ -0,0 +1,1875 @@
+/* -*- 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 <sal/log.hxx>
+
+#include <com/sun/star/deployment/DeploymentException.hpp>
+#include <com/sun/star/deployment/ExtensionManager.hpp>
+#include <com/sun/star/container/XContentEnumerationAccess.hpp>
+#include <com/sun/star/container/XEnumeration.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/lang/XSingleComponentFactory.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/linguistic2/XSupportedLocales.hpp>
+#include <com/sun/star/linguistic2/DictionaryListEventFlags.hpp>
+#include <com/sun/star/linguistic2/LinguServiceEventFlags.hpp>
+#include <com/sun/star/linguistic2/ProofreadingIterator.hpp>
+
+#include <tools/debug.hxx>
+#include <unotools/lingucfg.hxx>
+#include <vcl/svapp.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/sequence.hxx>
+#include <i18nlangtag/lang.h>
+#include <i18nlangtag/languagetag.hxx>
+#include <cppuhelper/factory.hxx>
+#include <cppuhelper/implbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+#include "lngsvcmgr.hxx"
+#include "lngreg.hxx"
+#include <linguistic/misc.hxx>
+#include "spelldsp.hxx"
+#include "hyphdsp.hxx"
+#include "thesdsp.hxx"
+#include "gciterator.hxx"
+
+using namespace com::sun::star;
+using namespace linguistic;
+
+uno::Sequence< OUString > static GetLangSvcList( const uno::Any &rVal );
+uno::Sequence< OUString > static GetLangSvc( const uno::Any &rVal );
+
+static bool lcl_SeqHasString( const uno::Sequence< OUString > &rSeq, const OUString &rText )
+{
+    return !rText.isEmpty()
+        && comphelper::findValue(rSeq, rText) != -1;
+}
+
+
+static uno::Sequence< lang::Locale > GetAvailLocales(
+        const uno::Sequence< OUString > &rSvcImplNames )
+{
+    uno::Sequence< lang::Locale > aRes;
+
+    uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() );
+    if( rSvcImplNames.hasElements() )
+    {
+        std::set< LanguageType > aLanguages;
+
+        //! since we're going to create one-instance services we have to
+        //! supply their arguments even if we would not need them here...
+        uno::Sequence< uno::Any > aArgs(2);
+        aArgs.getArray()[0] <<= GetLinguProperties();
+
+        // check all services for the supported languages and new
+        // languages to the result
+
+        for (const OUString& rImplName : rSvcImplNames)
+        {
+            uno::Reference< linguistic2::XSupportedLocales > xSuppLoc;
+            try
+            {
+                xSuppLoc.set( xContext->getServiceManager()->createInstanceWithArgumentsAndContext(
+                                 rImplName, aArgs, xContext ),
+                              uno::UNO_QUERY );
+            }
+            catch (uno::Exception &)
+            {
+                SAL_WARN( "linguistic", "createInstanceWithArguments failed" );
+            }
+
+            if (xSuppLoc.is())
+            {
+                const uno::Sequence< lang::Locale > aLoc( xSuppLoc->getLocales() );
+                for (const lang::Locale& rLoc : aLoc)
+                {
+                    LanguageType nLang = LinguLocaleToLanguage( rLoc );
+
+                    // It's a set, so insertion fails if language was already added.
+                    aLanguages.insert( nLang );
+                }
+            }
+            else
+            {
+                SAL_WARN( "linguistic", "interface not supported by service" );
+            }
+        }
+
+        // build return sequence
+        std::vector<lang::Locale> aVec;
+        aVec.reserve(aLanguages.size());
+
+        std::transform(aLanguages.begin(), aLanguages.end(), std::back_inserter(aVec),
+            [](const LanguageType& rLang) -> lang::Locale { return LanguageTag::convertToLocale(rLang); });
+
+        aRes = comphelper::containerToSequence(aVec);
+    }
+
+    return aRes;
+}
+
+
+struct SvcInfo
+{
+    const OUString                  aSvcImplName;
+    const std::vector< LanguageType >    aSuppLanguages;
+
+    SvcInfo( const OUString &rSvcImplName,
+             const std::vector< LanguageType >  &rSuppLanguages ) :
+        aSvcImplName    (rSvcImplName),
+        aSuppLanguages  (rSuppLanguages)
+    {
+    }
+
+    bool    HasLanguage( LanguageType nLanguage ) const;
+};
+
+
+bool SvcInfo::HasLanguage( LanguageType nLanguage ) const
+{
+    for ( auto const & i : aSuppLanguages)
+    {
+        if (nLanguage == i)
+            return true;
+    }
+    return false;
+}
+
+class LngSvcMgrListenerHelper :
+    public cppu::WeakImplHelper
+    <
+        linguistic2::XLinguServiceEventListener,
+        linguistic2::XDictionaryListEventListener
+    >
+{
+    LngSvcMgr  &rMyManager;
+
+    ::comphelper::OInterfaceContainerHelper2           aLngSvcMgrListeners;
+    ::comphelper::OInterfaceContainerHelper2           aLngSvcEvtBroadcasters;
+    uno::Reference< linguistic2::XSearchableDictionaryList >           xDicList;
+
+    sal_Int16   nCombinedLngSvcEvt;
+
+    void    LaunchEvent( sal_Int16 nLngSvcEvtFlags );
+
+    void Timeout();
+
+public:
+    LngSvcMgrListenerHelper( LngSvcMgr &rLngSvcMgr,
+        const uno::Reference< linguistic2::XSearchableDictionaryList > &rxDicList );
+
+    LngSvcMgrListenerHelper(const LngSvcMgrListenerHelper&) = delete;
+    LngSvcMgrListenerHelper& operator=(const LngSvcMgrListenerHelper&) = delete;
+
+    // lang::XEventListener
+    virtual void SAL_CALL
+        disposing( const lang::EventObject& rSource ) override;
+
+    // linguistic2::XLinguServiceEventListener
+    virtual void SAL_CALL
+        processLinguServiceEvent( const linguistic2::LinguServiceEvent& aLngSvcEvent ) override;
+
+    // linguistic2::XDictionaryListEventListener
+    virtual void SAL_CALL
+        processDictionaryListEvent(
+                const linguistic2::DictionaryListEvent& rDicListEvent ) override;
+
+    inline  void    AddLngSvcMgrListener(
+                        const uno::Reference< lang::XEventListener >& rxListener );
+    inline  void    RemoveLngSvcMgrListener(
+                        const uno::Reference< lang::XEventListener >& rxListener );
+    void    DisposeAndClear( const lang::EventObject &rEvtObj );
+    void    AddLngSvcEvtBroadcaster(
+                        const uno::Reference< linguistic2::XLinguServiceEventBroadcaster > &rxBroadcaster );
+    void    RemoveLngSvcEvtBroadcaster(
+                        const uno::Reference< linguistic2::XLinguServiceEventBroadcaster > &rxBroadcaster );
+
+    void    AddLngSvcEvt( sal_Int16 nLngSvcEvt );
+};
+
+
+LngSvcMgrListenerHelper::LngSvcMgrListenerHelper(
+        LngSvcMgr &rLngSvcMgr,
+        const uno::Reference< linguistic2::XSearchableDictionaryList > &rxDicList  ) :
+    rMyManager              ( rLngSvcMgr ),
+    aLngSvcMgrListeners     ( GetLinguMutex() ),
+    aLngSvcEvtBroadcasters  ( GetLinguMutex() ),
+    xDicList                ( rxDicList )
+{
+    if (xDicList.is())
+    {
+        xDicList->addDictionaryListEventListener(
+            static_cast<linguistic2::XDictionaryListEventListener *>(this), false );
+    }
+
+    nCombinedLngSvcEvt = 0;
+}
+
+
+void SAL_CALL LngSvcMgrListenerHelper::disposing( const lang::EventObject& rSource )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    uno::Reference< uno::XInterface > xRef( rSource.Source );
+    if ( xRef.is() )
+    {
+        aLngSvcMgrListeners   .removeInterface( xRef );
+        aLngSvcEvtBroadcasters.removeInterface( xRef );
+        if (xDicList == xRef)
+            xDicList = nullptr;
+    }
+}
+
+void LngSvcMgrListenerHelper::Timeout()
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    {
+        // change event source to LinguServiceManager since the listeners
+        // probably do not know (and need not to know) about the specific
+        // SpellChecker's or Hyphenator's.
+        linguistic2::LinguServiceEvent aEvtObj(
+            static_cast<css::linguistic2::XLinguServiceManager*>(&rMyManager), nCombinedLngSvcEvt );
+        nCombinedLngSvcEvt = 0;
+
+        if (rMyManager.mxSpellDsp.is())
+            rMyManager.mxSpellDsp->FlushSpellCache();
+
+        // pass event on to linguistic2::XLinguServiceEventListener's
+        aLngSvcMgrListeners.notifyEach( &linguistic2::XLinguServiceEventListener::processLinguServiceEvent, aEvtObj );
+    }
+}
+
+
+void LngSvcMgrListenerHelper::AddLngSvcEvt( sal_Int16 nLngSvcEvt )
+{
+    nCombinedLngSvcEvt |= nLngSvcEvt;
+    Timeout();
+}
+
+
+void SAL_CALL
+    LngSvcMgrListenerHelper::processLinguServiceEvent(
+            const linguistic2::LinguServiceEvent& rLngSvcEvent )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+    AddLngSvcEvt( rLngSvcEvent.nEvent );
+}
+
+
+void SAL_CALL
+    LngSvcMgrListenerHelper::processDictionaryListEvent(
+            const linguistic2::DictionaryListEvent& rDicListEvent )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    sal_Int16 nDlEvt = rDicListEvent.nCondensedEvent;
+    if (0 == nDlEvt)
+        return;
+
+    // we do keep the original event source here though...
+
+    // pass event on to linguistic2::XDictionaryListEventListener's
+    aLngSvcMgrListeners.notifyEach( &linguistic2::XDictionaryListEventListener::processDictionaryListEvent, rDicListEvent );
+
+    // "translate" DictionaryList event into linguistic2::LinguServiceEvent
+    sal_Int16 nLngSvcEvt = 0;
+    sal_Int16 const nSpellCorrectFlags =
+            linguistic2::DictionaryListEventFlags::ADD_NEG_ENTRY        |
+            linguistic2::DictionaryListEventFlags::DEL_POS_ENTRY        |
+            linguistic2::DictionaryListEventFlags::ACTIVATE_NEG_DIC |
+            linguistic2::DictionaryListEventFlags::DEACTIVATE_POS_DIC;
+    if (0 != (nDlEvt & nSpellCorrectFlags))
+        nLngSvcEvt |= linguistic2::LinguServiceEventFlags::SPELL_CORRECT_WORDS_AGAIN;
+
+    sal_Int16 const nSpellWrongFlags =
+            linguistic2::DictionaryListEventFlags::ADD_POS_ENTRY        |
+            linguistic2::DictionaryListEventFlags::DEL_NEG_ENTRY        |
+            linguistic2::DictionaryListEventFlags::ACTIVATE_POS_DIC |
+            linguistic2::DictionaryListEventFlags::DEACTIVATE_NEG_DIC;
+    if (0 != (nDlEvt & nSpellWrongFlags))
+        nLngSvcEvt |= linguistic2::LinguServiceEventFlags::SPELL_WRONG_WORDS_AGAIN;
+
+    sal_Int16 const nHyphenateFlags =
+            linguistic2::DictionaryListEventFlags::ADD_POS_ENTRY        |
+            linguistic2::DictionaryListEventFlags::DEL_POS_ENTRY        |
+            linguistic2::DictionaryListEventFlags::ACTIVATE_POS_DIC |
+            linguistic2::DictionaryListEventFlags::ACTIVATE_NEG_DIC;
+    if (0 != (nDlEvt & nHyphenateFlags))
+        nLngSvcEvt |= linguistic2::LinguServiceEventFlags::HYPHENATE_AGAIN;
+
+    if (rMyManager.mxSpellDsp.is())
+        rMyManager.mxSpellDsp->FlushSpellCache();
+    if (nLngSvcEvt)
+        LaunchEvent( nLngSvcEvt );
+}
+
+
+void LngSvcMgrListenerHelper::LaunchEvent( sal_Int16 nLngSvcEvtFlags )
+{
+    linguistic2::LinguServiceEvent aEvt(
+        static_cast<css::linguistic2::XLinguServiceManager*>(&rMyManager), nLngSvcEvtFlags );
+
+    // pass event on to linguistic2::XLinguServiceEventListener's
+    aLngSvcMgrListeners.notifyEach( &linguistic2::XLinguServiceEventListener::processLinguServiceEvent, aEvt );
+}
+
+
+inline void LngSvcMgrListenerHelper::AddLngSvcMgrListener(
+        const uno::Reference< lang::XEventListener >& rxListener )
+{
+    aLngSvcMgrListeners.addInterface( rxListener );
+}
+
+
+inline void LngSvcMgrListenerHelper::RemoveLngSvcMgrListener(
+        const uno::Reference< lang::XEventListener >& rxListener )
+{
+    aLngSvcMgrListeners.removeInterface( rxListener );
+}
+
+
+void LngSvcMgrListenerHelper::DisposeAndClear( const lang::EventObject &rEvtObj )
+{
+    // call "disposing" for all listeners and clear list
+    aLngSvcMgrListeners   .disposeAndClear( rEvtObj );
+
+    // remove references to this object hold by the broadcasters
+    comphelper::OInterfaceIteratorHelper2 aIt( aLngSvcEvtBroadcasters );
+    while (aIt.hasMoreElements())
+    {
+        uno::Reference< linguistic2::XLinguServiceEventBroadcaster > xRef( aIt.next(), uno::UNO_QUERY );
+        if (xRef.is())
+            RemoveLngSvcEvtBroadcaster( xRef );
+    }
+
+    // remove reference to this object hold by the dictionary-list
+    if (xDicList.is())
+    {
+        xDicList->removeDictionaryListEventListener(
+            static_cast<linguistic2::XDictionaryListEventListener *>(this) );
+        xDicList = nullptr;
+    }
+}
+
+
+void LngSvcMgrListenerHelper::AddLngSvcEvtBroadcaster(
+        const uno::Reference< linguistic2::XLinguServiceEventBroadcaster > &rxBroadcaster )
+{
+    if (rxBroadcaster.is())
+    {
+        aLngSvcEvtBroadcasters.addInterface( rxBroadcaster );
+        rxBroadcaster->addLinguServiceEventListener(
+                static_cast<linguistic2::XLinguServiceEventListener *>(this) );
+    }
+}
+
+
+void LngSvcMgrListenerHelper::RemoveLngSvcEvtBroadcaster(
+        const uno::Reference< linguistic2::XLinguServiceEventBroadcaster > &rxBroadcaster )
+{
+    if (rxBroadcaster.is())
+    {
+        aLngSvcEvtBroadcasters.removeInterface( rxBroadcaster );
+        rxBroadcaster->removeLinguServiceEventListener(
+                static_cast<linguistic2::XLinguServiceEventListener *>(this) );
+    }
+}
+
+
+LngSvcMgr::LngSvcMgr()
+    : utl::ConfigItem("Office.Linguistic")
+    , aEvtListeners(GetLinguMutex())
+{
+    bDisposing = false;
+
+    // request notify events when properties (i.e. something in the subtree) changes
+    uno::Sequence< OUString > aNames{
+        "ServiceManager/SpellCheckerList",
+        "ServiceManager/GrammarCheckerList",
+        "ServiceManager/HyphenatorList",
+        "ServiceManager/ThesaurusList"
+    };
+    EnableNotification( aNames );
+
+    UpdateAll();
+
+    aUpdateIdle.SetPriority(TaskPriority::LOWEST);
+    aUpdateIdle.SetInvokeHandler(LINK(this, LngSvcMgr, updateAndBroadcast));
+
+    // request to be notified if an extension has been added/removed
+    uno::Reference<uno::XComponentContext> xContext(comphelper::getProcessComponentContext());
+
+    uno::Reference<deployment::XExtensionManager> xExtensionManager;
+    try {
+        xExtensionManager = deployment::ExtensionManager::get(xContext);
+    } catch ( const uno::DeploymentException & ) {
+        SAL_WARN( "linguistic", "no extension manager - should fire on mobile only" );
+    } catch ( const deployment::DeploymentException & ) {
+        SAL_WARN( "linguistic", "no extension manager - should fire on mobile only" );
+    }
+    if (xExtensionManager.is())
+    {
+        xMB.set(xExtensionManager, uno::UNO_QUERY_THROW);
+
+        uno::Reference<util::XModifyListener> xListener(this);
+        xMB->addModifyListener( xListener );
+    }
+}
+
+// css::util::XModifyListener
+void LngSvcMgr::modified(const lang::EventObject&)
+{
+    {
+        osl::MutexGuard aGuard(GetLinguMutex());
+        //assume that if an extension has been added/removed that
+        //it might be a dictionary extension, so drop our cache
+
+        pAvailSpellSvcs.reset();
+        pAvailGrammarSvcs.reset();
+        pAvailHyphSvcs.reset();
+        pAvailThesSvcs.reset();
+    }
+
+    {
+        SolarMutexGuard aGuard;
+        //schedule in an update to execute in the main thread
+        aUpdateIdle.Start();
+    }
+}
+
+//run update, and inform everyone that dictionaries (may) have changed, this
+//needs to be run in the main thread because
+//utl::ConfigChangeListener_Impl::changesOccurred grabs the SolarMutex and we
+//get notified that an extension was added from an extension manager thread
+IMPL_LINK_NOARG(LngSvcMgr, updateAndBroadcast, Timer *, void)
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    UpdateAll();
+
+    if (mxListenerHelper.is())
+    {
+        mxListenerHelper->AddLngSvcEvt(
+                linguistic2::LinguServiceEventFlags::SPELL_CORRECT_WORDS_AGAIN |
+                linguistic2::LinguServiceEventFlags::SPELL_WRONG_WORDS_AGAIN |
+                linguistic2::LinguServiceEventFlags::PROOFREAD_AGAIN |
+                linguistic2::LinguServiceEventFlags::HYPHENATE_AGAIN );
+    }
+}
+
+void LngSvcMgr::stopListening()
+{
+    osl::MutexGuard aGuard(GetLinguMutex());
+
+    if (!xMB.is())
+        return;
+
+    try
+    {
+            uno::Reference<util::XModifyListener>  xListener(this);
+            xMB->removeModifyListener(xListener);
+    }
+    catch (const uno::Exception&)
+    {
+    }
+
+    xMB.clear();
+}
+
+void LngSvcMgr::disposing(const lang::EventObject&)
+{
+    stopListening();
+}
+
+LngSvcMgr::~LngSvcMgr()
+{
+    stopListening();
+
+    // memory for pSpellDsp, pHyphDsp, pThesDsp, pListenerHelper
+    // will be freed in the destructor of the respective Reference's
+    // xSpellDsp, xGrammarDsp, xHyphDsp, xThesDsp
+
+    pAvailSpellSvcs.reset();
+    pAvailGrammarSvcs.reset();
+    pAvailHyphSvcs.reset();
+    pAvailThesSvcs.reset();
+}
+
+namespace
+{
+    using lang::Locale;
+    using uno::Any;
+    using uno::Sequence;
+
+    bool lcl_FindEntry( const OUString &rEntry, const Sequence< OUString > &rCfgSvcs )
+    {
+        return comphelper::findValue(rCfgSvcs, rEntry) != -1;
+    }
+
+    bool lcl_FindEntry( const OUString &rEntry, const std::vector< OUString > &rCfgSvcs )
+    {
+        return std::find(rCfgSvcs.begin(), rCfgSvcs.end(), rEntry) != rCfgSvcs.end();
+    }
+
+    Sequence< OUString > lcl_GetLastFoundSvcs(
+            SvtLinguConfig const &rCfg,
+            const OUString &rLastFoundList ,
+            const OUString& rCfgLocaleStr )
+    {
+        Sequence< OUString > aRes;
+
+        Sequence< OUString > aNodeNames( rCfg.GetNodeNames(rLastFoundList) );
+        bool bFound = lcl_FindEntry( rCfgLocaleStr, aNodeNames);
+
+        if (bFound)
+        {
+            Sequence< OUString > aNames { rLastFoundList + "/" + rCfgLocaleStr };
+            Sequence< Any > aValues( rCfg.GetProperties( aNames ) );
+            if (aValues.hasElements())
+            {
+                SAL_WARN_IF( aValues.getLength() != 1, "linguistic", "unexpected length of sequence" );
+                Sequence< OUString > aSvcImplNames;
+                if (aValues.getConstArray()[0] >>= aSvcImplNames)
+                    aRes = aSvcImplNames;
+                else
+                {
+                    SAL_WARN( "linguistic", "type mismatch" );
+                }
+            }
+        }
+
+        return aRes;
+    }
+
+    Sequence< OUString > lcl_RemoveMissingEntries(
+            const Sequence< OUString > &rCfgSvcs,
+            const Sequence< OUString > &rAvailSvcs )
+    {
+        std::vector<OUString> aRes;
+        aRes.reserve(rCfgSvcs.getLength());
+
+        std::copy_if(rCfgSvcs.begin(), rCfgSvcs.end(), std::back_inserter(aRes),
+            [&rAvailSvcs](const OUString& entry) { return lcl_SeqHasString(rAvailSvcs, entry); });
+
+        return comphelper::containerToSequence(aRes);
+    }
+
+    Sequence< OUString > lcl_GetNewEntries(
+            const Sequence< OUString > &rLastFoundSvcs,
+            const Sequence< OUString > &rAvailSvcs )
+    {
+        std::vector<OUString> aRes;
+        aRes.reserve(rAvailSvcs.getLength());
+
+        std::copy_if(rAvailSvcs.begin(), rAvailSvcs.end(), std::back_inserter(aRes),
+            [&rLastFoundSvcs](const OUString& rEntry) {
+                return !rEntry.isEmpty() && !lcl_FindEntry( rEntry, rLastFoundSvcs ); });
+
+        return comphelper::containerToSequence(aRes);
+    }
+
+    Sequence< OUString > lcl_MergeSeq(
+            const Sequence< OUString > &rCfgSvcs,
+            const Sequence< OUString > &rNewSvcs )
+    {
+        std::vector<OUString> aRes;
+        aRes.reserve(rCfgSvcs.getLength() + rNewSvcs.getLength());
+
+        auto lVecNotHasString = [&aRes](const OUString& rEntry)
+            { return !rEntry.isEmpty() && !lcl_FindEntry(rEntry, aRes); };
+
+        // add previously configured service first and append
+        // new found services at the end
+        for (const Sequence< OUString > &rSeq : { rCfgSvcs, rNewSvcs })
+        {
+            std::copy_if(rSeq.begin(), rSeq.end(), std::back_inserter(aRes), lVecNotHasString);
+        }
+
+        return comphelper::containerToSequence(aRes);
+    }
+}
+
+void LngSvcMgr::UpdateAll()
+{
+    using beans::PropertyValue;
+    using lang::Locale;
+    using uno::Sequence;
+
+    typedef Sequence< OUString > Sequence_OUString_t;
+    typedef std::map< OUString, Sequence_OUString_t > list_entry_map_t;
+
+    SvtLinguConfig aCfg;
+
+    const int nNumServices = 4;
+    const char * const apServices[nNumServices]       =  { SN_SPELLCHECKER, SN_GRAMMARCHECKER, SN_HYPHENATOR, SN_THESAURUS };
+    const char * const apCurLists[nNumServices]       =  { "ServiceManager/SpellCheckerList",       "ServiceManager/GrammarCheckerList",       "ServiceManager/HyphenatorList",       "ServiceManager/ThesaurusList" };
+    const char * const apLastFoundLists[nNumServices] =  { "ServiceManager/LastFoundSpellCheckers", "ServiceManager/LastFoundGrammarCheckers", "ServiceManager/LastFoundHyphenators", "ServiceManager/LastFoundThesauri" };
+
+    // usage of indices as above: 0 = spell checker, 1 = grammar checker, 2 = hyphenator, 3 = thesaurus
+    std::vector< list_entry_map_t > aLastFoundSvcs(nNumServices);
+    std::vector< list_entry_map_t > aCurSvcs(nNumServices);
+
+    for (int k = 0;  k < nNumServices;  ++k)
+    {
+        OUString aService( OUString::createFromAscii( apServices[k] ) );
+        OUString aActiveList( OUString::createFromAscii( apCurLists[k] ) );
+        OUString aLastFoundList( OUString::createFromAscii( apLastFoundLists[k] ) );
+
+
+        // remove configured but not available language/services entries
+
+        const Sequence< OUString > aNodeNames( aCfg.GetNodeNames( aActiveList ) );   // list of configured locales
+        for (const OUString& rNodeName : aNodeNames)
+        {
+            Locale aLocale( LanguageTag::convertToLocale( rNodeName));
+            Sequence< OUString > aCfgSvcs( getConfiguredServices( aService, aLocale ));
+            Sequence< OUString > aAvailSvcs( getAvailableServices( aService, aLocale ));
+
+            aCfgSvcs = lcl_RemoveMissingEntries( aCfgSvcs, aAvailSvcs );
+
+            aCurSvcs[k][ rNodeName ] = aCfgSvcs;
+        }
+
+
+        // add new available language/service entries
+        // and
+        // set last found services to currently available ones
+
+        const Sequence< Locale > aAvailLocales( getAvailableLocales(aService) );
+        for (const Locale& rAvailLocale : aAvailLocales)
+        {
+            OUString aCfgLocaleStr( LanguageTag::convertToBcp47( rAvailLocale));
+
+            Sequence< OUString > aAvailSvcs( getAvailableServices( aService, rAvailLocale ));
+
+            aLastFoundSvcs[k][ aCfgLocaleStr ] = aAvailSvcs;
+
+            Sequence< OUString > aLastSvcs(
+                    lcl_GetLastFoundSvcs( aCfg, aLastFoundList , aCfgLocaleStr ));
+            Sequence< OUString > aNewSvcs =
+                    lcl_GetNewEntries( aLastSvcs, aAvailSvcs );
+
+            Sequence< OUString > aCfgSvcs( aCurSvcs[k][ aCfgLocaleStr ] );
+
+            // merge services list (previously configured to be listed first).
+            aCfgSvcs = lcl_MergeSeq( aCfgSvcs, aNewSvcs );
+
+            aCurSvcs[k][ aCfgLocaleStr ] = aCfgSvcs;
+        }
+    }
+
+
+    // write new data back to configuration
+
+    for (int k = 0;  k < nNumServices;  ++k)
+    {
+        for (int i = 0;  i < 2;  ++i)
+        {
+            const char *pSubNodeName = (i == 0) ? apCurLists[k] : apLastFoundLists[k];
+            OUString aSubNodeName( OUString::createFromAscii(pSubNodeName) );
+
+            list_entry_map_t &rCurMap = (i == 0) ? aCurSvcs[k] : aLastFoundSvcs[k];
+            sal_Int32 nVals = static_cast< sal_Int32 >( rCurMap.size() );
+            Sequence< PropertyValue > aNewValues( nVals );
+            PropertyValue *pNewValue = aNewValues.getArray();
+            for (auto const& elem : rCurMap)
+            {
+                pNewValue->Name = aSubNodeName + "/" + elem.first;
+                pNewValue->Value <<= elem.second;
+                ++pNewValue;
+            }
+            OSL_ENSURE( pNewValue - aNewValues.getConstArray() == nVals,
+                    "possible mismatch of sequence size and property number" );
+
+            {
+                // add new or replace existing entries.
+                bool bRes = aCfg.ReplaceSetProperties( aSubNodeName, aNewValues );
+                SAL_WARN_IF(!bRes, "linguistic", "failed to set new configuration values");
+            }
+        }
+    }
+
+    //The new settings in the configuration get applied ! because we are
+    //listening to the configuration for changes of the relevant ! properties
+    //and Notify applies the new settings.
+}
+
+void LngSvcMgr::Notify( const uno::Sequence< OUString > &rPropertyNames )
+{
+    const OUString aSpellCheckerList( "ServiceManager/SpellCheckerList" );
+    const OUString aGrammarCheckerList( "ServiceManager/GrammarCheckerList" );
+    const OUString aHyphenatorList( "ServiceManager/HyphenatorList" );
+    const OUString aThesaurusList( "ServiceManager/ThesaurusList" );
+
+    const uno::Sequence< OUString > aSpellCheckerListEntries( GetNodeNames( aSpellCheckerList ) );
+    const uno::Sequence< OUString > aGrammarCheckerListEntries( GetNodeNames( aGrammarCheckerList ) );
+    const uno::Sequence< OUString > aHyphenatorListEntries( GetNodeNames( aHyphenatorList ) );
+    const uno::Sequence< OUString > aThesaurusListEntries( GetNodeNames( aThesaurusList ) );
+
+    uno::Sequence< uno::Any > aValues;
+    uno::Sequence< OUString > aNames( 1 );
+    OUString *pNames = aNames.getArray();
+
+    for (const OUString& rName : rPropertyNames)
+    {
+        // property names look like
+        // "ServiceManager/ThesaurusList/de-CH"
+
+        sal_Int32 nKeyStart;
+        nKeyStart = rName.lastIndexOf( '/' );
+        OUString aKeyText;
+        if (nKeyStart != -1)
+            aKeyText = rName.copy( nKeyStart + 1 );
+        SAL_WARN_IF( aKeyText.isEmpty(), "linguistic", "unexpected key (lang::Locale) string" );
+        if (rName.startsWith( aSpellCheckerList ))
+        {
+            osl::MutexGuard aGuard(GetLinguMutex());
+
+            // delete old cached data, needs to be acquired new on demand
+            pAvailSpellSvcs.reset();
+
+            if (lcl_SeqHasString( aSpellCheckerListEntries, aKeyText ))
+            {
+                pNames[0] = aSpellCheckerList + "/" + aKeyText;
+                aValues = /*aCfg.*/GetProperties( aNames );
+                uno::Sequence< OUString > aSvcImplNames;
+                if (aValues.hasElements())
+                    aSvcImplNames = GetLangSvcList( aValues.getConstArray()[0] );
+
+                LanguageType nLang = LANGUAGE_NONE;
+                if (!aKeyText.isEmpty())
+                    nLang = LanguageTag::convertToLanguageType( aKeyText );
+
+                GetSpellCheckerDsp_Impl( false );     // don't set service list, it will be done below
+                mxSpellDsp->SetServiceList( LanguageTag::convertToLocale(nLang), aSvcImplNames );
+            }
+        }
+        else if (rName.startsWith( aGrammarCheckerList ))
+        {
+            osl::MutexGuard aGuard(GetLinguMutex());
+
+            // delete old cached data, needs to be acquired new on demand
+            pAvailGrammarSvcs.reset();
+
+            if (lcl_SeqHasString( aGrammarCheckerListEntries, aKeyText ))
+            {
+                pNames[0] = aGrammarCheckerList + "/" + aKeyText;
+                aValues = /*aCfg.*/GetProperties( aNames );
+                uno::Sequence< OUString > aSvcImplNames;
+                if (aValues.hasElements())
+                    aSvcImplNames = GetLangSvc( aValues.getConstArray()[0] );
+
+                LanguageType nLang = LANGUAGE_NONE;
+                if (!aKeyText.isEmpty())
+                    nLang = LanguageTag::convertToLanguageType( aKeyText );
+
+                if (SvtLinguConfig().HasGrammarChecker())
+                {
+                    GetGrammarCheckerDsp_Impl( false );   // don't set service list, it will be done below
+                    mxGrammarDsp->SetServiceList( LanguageTag::convertToLocale(nLang), aSvcImplNames );
+                }
+            }
+        }
+        else if (rName.startsWith( aHyphenatorList ))
+        {
+            osl::MutexGuard aGuard(GetLinguMutex());
+
+            // delete old cached data, needs to be acquired new on demand
+            pAvailHyphSvcs.reset();
+
+            if (lcl_SeqHasString( aHyphenatorListEntries, aKeyText ))
+            {
+                pNames[0] = aHyphenatorList + "/" + aKeyText;
+                aValues = /*aCfg.*/GetProperties( aNames );
+                uno::Sequence< OUString > aSvcImplNames;
+                if (aValues.hasElements())
+                    aSvcImplNames = GetLangSvc( aValues.getConstArray()[0] );
+
+                LanguageType nLang = LANGUAGE_NONE;
+                if (!aKeyText.isEmpty())
+                    nLang = LanguageTag::convertToLanguageType( aKeyText );
+
+                GetHyphenatorDsp_Impl( false );   // don't set service list, it will be done below
+                mxHyphDsp->SetServiceList( LanguageTag::convertToLocale(nLang), aSvcImplNames );
+            }
+        }
+        else if (rName.startsWith( aThesaurusList ))
+        {
+            osl::MutexGuard aGuard(GetLinguMutex());
+
+            // delete old cached data, needs to be acquired new on demand
+            pAvailThesSvcs.reset();
+
+            if (lcl_SeqHasString( aThesaurusListEntries, aKeyText ))
+            {
+                pNames[0] = aThesaurusList + "/" + aKeyText;
+                aValues = /*aCfg.*/GetProperties( aNames );
+                uno::Sequence< OUString > aSvcImplNames;
+                if (aValues.hasElements())
+                    aSvcImplNames = GetLangSvcList( aValues.getConstArray()[0] );
+
+                LanguageType nLang = LANGUAGE_NONE;
+                if (!aKeyText.isEmpty())
+                    nLang = LanguageTag::convertToLanguageType( aKeyText );
+
+                GetThesaurusDsp_Impl( false );  // don't set service list, it will be done below
+                mxThesDsp->SetServiceList( LanguageTag::convertToLocale(nLang), aSvcImplNames );
+            }
+        }
+        else
+        {
+            SAL_WARN( "linguistic", "notified for unexpected property" );
+        }
+    }
+}
+
+
+void LngSvcMgr::ImplCommit()
+{
+    // everything necessary should have already been done by 'SaveCfgSvcs'
+    // called from within 'setConfiguredServices'.
+    // Also this class usually exits only when the Office is being shutdown.
+}
+
+
+void LngSvcMgr::GetListenerHelper_Impl()
+{
+    if (!mxListenerHelper.is())
+    {
+        mxListenerHelper = new LngSvcMgrListenerHelper( *this, linguistic::GetDictionaryList() );
+    }
+}
+
+
+void LngSvcMgr::GetSpellCheckerDsp_Impl( bool bSetSvcList )
+{
+    if (!mxSpellDsp.is())
+    {
+        mxSpellDsp = new SpellCheckerDispatcher( *this );
+        if (bSetSvcList)
+            SetCfgServiceLists( *mxSpellDsp );
+    }
+}
+
+
+void LngSvcMgr::GetGrammarCheckerDsp_Impl( bool bSetSvcList  )
+{
+    if (!(!mxGrammarDsp.is() && SvtLinguConfig().HasGrammarChecker()))
+        return;
+
+    //! since the grammar checking iterator needs to be a one instance service
+    //! we need to create it the correct way!
+    uno::Reference< linguistic2::XProofreadingIterator > xGCI;
+    try
+    {
+        xGCI = linguistic2::ProofreadingIterator::create( comphelper::getProcessComponentContext() );
+    }
+    catch (const uno::Exception &)
+    {
+    }
+    SAL_WARN_IF( !xGCI.is(), "linguistic", "instantiating grammar checking iterator failed" );
+
+    if (xGCI.is())
+    {
+        mxGrammarDsp = dynamic_cast< GrammarCheckingIterator * >(xGCI.get());
+        SAL_WARN_IF( mxGrammarDsp == nullptr, "linguistic", "failed to get implementation" );
+        if (bSetSvcList && mxGrammarDsp.is())
+            SetCfgServiceLists( *mxGrammarDsp );
+    }
+}
+
+
+void LngSvcMgr::GetHyphenatorDsp_Impl( bool bSetSvcList  )
+{
+    if (!mxHyphDsp.is())
+    {
+        mxHyphDsp = new HyphenatorDispatcher( *this );
+        if (bSetSvcList)
+            SetCfgServiceLists( *mxHyphDsp );
+    }
+}
+
+
+void LngSvcMgr::GetThesaurusDsp_Impl( bool bSetSvcList  )
+{
+    if (!mxThesDsp.is())
+    {
+        mxThesDsp = new ThesaurusDispatcher;
+        if (bSetSvcList)
+            SetCfgServiceLists( *mxThesDsp );
+    }
+}
+
+
+void LngSvcMgr::GetAvailableSpellSvcs_Impl()
+{
+    if (pAvailSpellSvcs)
+        return;
+
+    pAvailSpellSvcs.reset(new SvcInfoArray);
+
+    uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() );
+
+    uno::Reference< container::XContentEnumerationAccess > xEnumAccess( xContext->getServiceManager(), uno::UNO_QUERY );
+    uno::Reference< container::XEnumeration > xEnum;
+    if (xEnumAccess.is())
+        xEnum = xEnumAccess->createContentEnumeration( SN_SPELLCHECKER );
+
+    if (!xEnum.is())
+        return;
+
+    while (xEnum->hasMoreElements())
+    {
+        uno::Any aCurrent = xEnum->nextElement();
+        uno::Reference< lang::XSingleComponentFactory > xCompFactory;
+        uno::Reference< lang::XSingleServiceFactory > xFactory;
+
+        uno::Reference< linguistic2::XSpellChecker > xSvc;
+        xCompFactory.set(aCurrent, css::uno::UNO_QUERY);
+        if (!xCompFactory.is())
+        {
+            xFactory.set(aCurrent, css::uno::UNO_QUERY);
+        }
+        if ( xCompFactory.is() || xFactory.is() )
+        {
+            try
+            {
+                xSvc.set( ( xCompFactory.is() ? xCompFactory->createInstanceWithContext( xContext ) : xFactory->createInstance() ), uno::UNO_QUERY );
+            }
+            catch (const uno::Exception &)
+            {
+                SAL_WARN( "linguistic", "createInstance failed" );
+            }
+        }
+
+        if (xSvc.is())
+        {
+            OUString            aImplName;
+            std::vector< LanguageType >   aLanguages;
+            uno::Reference< XServiceInfo > xInfo( xSvc, uno::UNO_QUERY );
+            if (xInfo.is())
+                aImplName = xInfo->getImplementationName();
+            SAL_WARN_IF( aImplName.isEmpty(), "linguistic", "empty implementation name" );
+            uno::Sequence<lang::Locale> aLocaleSequence(xSvc->getLocales());
+            aLanguages = LocaleSeqToLangVec( aLocaleSequence );
+
+            pAvailSpellSvcs->push_back( std::make_unique<SvcInfo>( aImplName, aLanguages ) );
+        }
+    }
+}
+
+
+void LngSvcMgr::GetAvailableGrammarSvcs_Impl()
+{
+    if (pAvailGrammarSvcs)
+        return;
+
+    pAvailGrammarSvcs.reset(new SvcInfoArray);
+
+    uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() );
+
+    uno::Reference< container::XContentEnumerationAccess > xEnumAccess( xContext->getServiceManager(), uno::UNO_QUERY );
+    uno::Reference< container::XEnumeration > xEnum;
+    if (xEnumAccess.is())
+        xEnum = xEnumAccess->createContentEnumeration( SN_GRAMMARCHECKER );
+
+    if (!xEnum.is())
+        return;
+
+    while (xEnum->hasMoreElements())
+    {
+        uno::Any aCurrent = xEnum->nextElement();
+        uno::Reference< lang::XSingleComponentFactory > xCompFactory;
+        uno::Reference< lang::XSingleServiceFactory > xFactory;
+
+        uno::Reference< linguistic2::XProofreader > xSvc;
+        xCompFactory.set(aCurrent, css::uno::UNO_QUERY);
+        if (!xCompFactory.is())
+        {
+            xFactory.set(aCurrent, css::uno::UNO_QUERY);
+        }
+        if ( xCompFactory.is() || xFactory.is() )
+        {
+            try
+            {
+                if (xCompFactory.is())
+                {
+                    xSvc.set(xCompFactory->createInstanceWithContext(xContext), uno::UNO_QUERY);
+                }
+                else
+                {
+                    xSvc.set(xFactory->createInstance(), uno::UNO_QUERY);
+                }
+            }
+            catch (const uno::Exception &)
+            {
+                SAL_WARN( "linguistic", "createInstance failed" );
+            }
+        }
+
+        if (xSvc.is() && pAvailGrammarSvcs)
+        {
+            OUString            aImplName;
+            std::vector< LanguageType >    aLanguages;
+            uno::Reference< XServiceInfo > xInfo( xSvc, uno::UNO_QUERY );
+            if (xInfo.is())
+                aImplName = xInfo->getImplementationName();
+            SAL_WARN_IF( aImplName.isEmpty(), "linguistic", "empty implementation name" );
+            uno::Sequence<lang::Locale> aLocaleSequence(xSvc->getLocales());
+            aLanguages = LocaleSeqToLangVec( aLocaleSequence );
+
+            pAvailGrammarSvcs->push_back( std::make_unique<SvcInfo>( aImplName, aLanguages ) );
+        }
+    }
+}
+
+
+void LngSvcMgr::GetAvailableHyphSvcs_Impl()
+{
+    if (pAvailHyphSvcs)
+        return;
+
+    pAvailHyphSvcs.reset(new SvcInfoArray);
+    uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() );
+
+    uno::Reference< container::XContentEnumerationAccess > xEnumAccess( xContext->getServiceManager(), uno::UNO_QUERY );
+    uno::Reference< container::XEnumeration > xEnum;
+    if (xEnumAccess.is())
+        xEnum = xEnumAccess->createContentEnumeration( SN_HYPHENATOR );
+
+    if (!xEnum.is())
+        return;
+
+    while (xEnum->hasMoreElements())
+    {
+        uno::Any aCurrent = xEnum->nextElement();
+        uno::Reference< lang::XSingleComponentFactory > xCompFactory;
+        uno::Reference< lang::XSingleServiceFactory > xFactory;
+
+        uno::Reference< linguistic2::XHyphenator > xSvc;
+        xCompFactory.set(aCurrent, css::uno::UNO_QUERY);
+        if (!xCompFactory.is())
+        {
+            xFactory.set(aCurrent, css::uno::UNO_QUERY);
+        }
+        if ( xCompFactory.is() || xFactory.is() )
+        {
+            try
+            {
+                xSvc.set( ( xCompFactory.is() ? xCompFactory->createInstanceWithContext( xContext ) : xFactory->createInstance() ), uno::UNO_QUERY );
+            }
+            catch (const uno::Exception &)
+            {
+                SAL_WARN( "linguistic", "createInstance failed" );
+            }
+        }
+        if (xSvc.is())
+        {
+            OUString            aImplName;
+            std::vector< LanguageType >    aLanguages;
+            uno::Reference< XServiceInfo > xInfo( xSvc, uno::UNO_QUERY );
+            if (xInfo.is())
+                aImplName = xInfo->getImplementationName();
+            SAL_WARN_IF( aImplName.isEmpty(), "linguistic", "empty implementation name" );
+            uno::Sequence<lang::Locale> aLocaleSequence(xSvc->getLocales());
+            aLanguages = LocaleSeqToLangVec( aLocaleSequence );
+            pAvailHyphSvcs->push_back( std::make_unique<SvcInfo>( aImplName, aLanguages ) );
+        }
+    }
+}
+
+
+void LngSvcMgr::GetAvailableThesSvcs_Impl()
+{
+    if (pAvailThesSvcs)
+        return;
+
+    pAvailThesSvcs.reset(new SvcInfoArray);
+
+    uno::Reference< uno::XComponentContext > xContext( comphelper::getProcessComponentContext() );
+
+    uno::Reference< container::XContentEnumerationAccess > xEnumAccess( xContext->getServiceManager(), uno::UNO_QUERY );
+    uno::Reference< container::XEnumeration > xEnum;
+    if (xEnumAccess.is())
+        xEnum = xEnumAccess->createContentEnumeration( SN_THESAURUS );
+
+    if (!xEnum.is())
+        return;
+
+    while (xEnum->hasMoreElements())
+    {
+        uno::Any aCurrent = xEnum->nextElement();
+        uno::Reference< lang::XSingleComponentFactory > xCompFactory;
+        uno::Reference< lang::XSingleServiceFactory > xFactory;
+
+        uno::Reference< linguistic2::XThesaurus > xSvc;
+        xCompFactory.set(aCurrent, css::uno::UNO_QUERY);
+        if (!xCompFactory.is())
+        {
+            xFactory.set(aCurrent, css::uno::UNO_QUERY);
+        }
+        if ( xCompFactory.is() || xFactory.is() )
+        {
+            try
+            {
+                xSvc.set( ( xCompFactory.is() ? xCompFactory->createInstanceWithContext( xContext ) : xFactory->createInstance() ), uno::UNO_QUERY );
+            }
+            catch (const uno::Exception &)
+            {
+               SAL_WARN( "linguistic", "createInstance failed" );
+            }
+        }
+        if (xSvc.is())
+        {
+            OUString            aImplName;
+            std::vector< LanguageType >    aLanguages;
+            uno::Reference< XServiceInfo > xInfo( xSvc, uno::UNO_QUERY );
+            if (xInfo.is())
+                aImplName = xInfo->getImplementationName();
+            SAL_WARN_IF( aImplName.isEmpty(), "linguistic", "empty implementation name" );
+            uno::Sequence<lang::Locale> aLocaleSequence(xSvc->getLocales());
+            aLanguages = LocaleSeqToLangVec( aLocaleSequence );
+
+            pAvailThesSvcs->push_back( std::make_unique<SvcInfo>( aImplName, aLanguages ) );
+        }
+    }
+}
+
+
+void LngSvcMgr::SetCfgServiceLists( SpellCheckerDispatcher &rSpellDsp )
+{
+    SAL_INFO( "linguistic", "linguistic: LngSvcMgr::SetCfgServiceLists - Spell" );
+
+    OUString aNode("ServiceManager/SpellCheckerList");
+    uno::Sequence< OUString > aNames( /*aCfg.*/GetNodeNames( aNode ) );
+
+    // append path prefix need for 'GetProperties' call below
+    OUString aPrefix = aNode + "/";
+    for (OUString & name : aNames)
+    {
+        name = aPrefix + name;
+    }
+
+    const uno::Sequence< uno::Any > aValues( /*aCfg.*/GetProperties( aNames ) );
+    if (!(aNames.hasElements()  &&  aNames.getLength() == aValues.getLength()))
+        return;
+
+    const OUString *pNames = aNames.getConstArray();
+    for (const uno::Any& rValue : aValues)
+    {
+        uno::Sequence< OUString > aSvcImplNames;
+        if (rValue >>= aSvcImplNames)
+        {
+            OUString aLocaleStr( *pNames++ );
+            sal_Int32 nSeparatorPos = aLocaleStr.lastIndexOf( '/' );
+            aLocaleStr = aLocaleStr.copy( nSeparatorPos + 1 );
+            rSpellDsp.SetServiceList( LanguageTag::convertToLocale(aLocaleStr), aSvcImplNames );
+        }
+    }
+}
+
+
+void LngSvcMgr::SetCfgServiceLists( GrammarCheckingIterator &rGrammarDsp )
+{
+    SAL_INFO( "linguistic", "linguistic: LngSvcMgr::SetCfgServiceLists - Grammar" );
+
+    OUString aNode("ServiceManager/GrammarCheckerList");
+    uno::Sequence< OUString > aNames( /*aCfg.*/GetNodeNames( aNode ) );
+
+    // append path prefix need for 'GetProperties' call below
+    OUString aPrefix = aNode  + "/";
+    for (OUString & name : aNames)
+    {
+        name = aPrefix + name;
+    }
+
+    const uno::Sequence< uno::Any > aValues( /*aCfg.*/GetProperties( aNames ) );
+    if (!(aNames.hasElements()  &&  aNames.getLength() == aValues.getLength()))
+        return;
+
+    const OUString *pNames = aNames.getConstArray();
+    for (const uno::Any& rValue : aValues)
+    {
+        uno::Sequence< OUString > aSvcImplNames;
+        if (rValue >>= aSvcImplNames)
+        {
+            // there should only be one grammar checker in use per language...
+            if (aSvcImplNames.getLength() > 1)
+                aSvcImplNames.realloc(1);
+
+            OUString aLocaleStr( *pNames++ );
+            sal_Int32 nSeparatorPos = aLocaleStr.lastIndexOf( '/' );
+            aLocaleStr = aLocaleStr.copy( nSeparatorPos + 1 );
+            rGrammarDsp.SetServiceList( LanguageTag::convertToLocale(aLocaleStr), aSvcImplNames );
+        }
+    }
+}
+
+
+void LngSvcMgr::SetCfgServiceLists( HyphenatorDispatcher &rHyphDsp )
+{
+    SAL_INFO( "linguistic", "linguistic: LngSvcMgr::SetCfgServiceLists - Hyph" );
+
+    OUString aNode("ServiceManager/HyphenatorList");
+    uno::Sequence< OUString > aNames( /*aCfg.*/GetNodeNames( aNode ) );
+
+    // append path prefix need for 'GetProperties' call below
+    OUString aPrefix = aNode + "/";
+    for (OUString & name : aNames)
+    {
+        name = aPrefix + name;
+    }
+
+    const uno::Sequence< uno::Any > aValues( /*aCfg.*/GetProperties( aNames ) );
+    if (!(aNames.hasElements()  &&  aNames.getLength() == aValues.getLength()))
+        return;
+
+    const OUString *pNames = aNames.getConstArray();
+    for (const uno::Any& rValue : aValues)
+    {
+        uno::Sequence< OUString > aSvcImplNames;
+        if (rValue >>= aSvcImplNames)
+        {
+            // there should only be one hyphenator in use per language...
+            if (aSvcImplNames.getLength() > 1)
+                aSvcImplNames.realloc(1);
+
+            OUString aLocaleStr( *pNames++ );
+            sal_Int32 nSeparatorPos = aLocaleStr.lastIndexOf( '/' );
+            aLocaleStr = aLocaleStr.copy( nSeparatorPos + 1 );
+            rHyphDsp.SetServiceList( LanguageTag::convertToLocale(aLocaleStr), aSvcImplNames );
+        }
+    }
+}
+
+
+void LngSvcMgr::SetCfgServiceLists( ThesaurusDispatcher &rThesDsp )
+{
+    SAL_INFO( "linguistic", "linguistic: LngSvcMgr::SetCfgServiceLists - Thes" );
+
+    OUString aNode("ServiceManager/ThesaurusList");
+    uno::Sequence< OUString > aNames( /*aCfg.*/GetNodeNames( aNode ) );
+
+    // append path prefix need for 'GetProperties' call below
+    OUString aPrefix = aNode + "/";
+    for (OUString & name : aNames)
+    {
+        name = aPrefix + name;
+    }
+
+    const uno::Sequence< uno::Any > aValues( /*aCfg.*/GetProperties( aNames ) );
+    if (!(aNames.hasElements()  &&  aNames.getLength() == aValues.getLength()))
+        return;
+
+    const OUString *pNames = aNames.getConstArray();
+    for (const uno::Any& rValue : aValues)
+    {
+        uno::Sequence< OUString > aSvcImplNames;
+        if (rValue >>= aSvcImplNames)
+        {
+            OUString aLocaleStr( *pNames++ );
+            sal_Int32 nSeparatorPos = aLocaleStr.lastIndexOf( '/' );
+            aLocaleStr = aLocaleStr.copy( nSeparatorPos + 1 );
+            rThesDsp.SetServiceList( LanguageTag::convertToLocale(aLocaleStr), aSvcImplNames );
+        }
+    }
+}
+
+
+uno::Reference< linguistic2::XSpellChecker > SAL_CALL
+    LngSvcMgr::getSpellChecker()
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+#if OSL_DEBUG_LEVEL > 0
+    getAvailableLocales(SN_SPELLCHECKER);
+#endif
+
+    uno::Reference< linguistic2::XSpellChecker > xRes;
+    if (!bDisposing)
+    {
+        if (!mxSpellDsp.is())
+            GetSpellCheckerDsp_Impl();
+        xRes = mxSpellDsp.get();
+    }
+    return xRes;
+}
+
+
+uno::Reference< linguistic2::XHyphenator > SAL_CALL
+    LngSvcMgr::getHyphenator()
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+#if OSL_DEBUG_LEVEL > 0
+    getAvailableLocales(SN_HYPHENATOR);
+#endif
+    uno::Reference< linguistic2::XHyphenator >   xRes;
+    if (!bDisposing)
+    {
+        if (!mxHyphDsp.is())
+            GetHyphenatorDsp_Impl();
+        xRes = mxHyphDsp.get();
+    }
+    return xRes;
+}
+
+
+uno::Reference< linguistic2::XThesaurus > SAL_CALL
+    LngSvcMgr::getThesaurus()
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+#if OSL_DEBUG_LEVEL > 0
+    getAvailableLocales(SN_THESAURUS);
+#endif
+    uno::Reference< linguistic2::XThesaurus >    xRes;
+    if (!bDisposing)
+    {
+        if (!mxThesDsp.is())
+            GetThesaurusDsp_Impl();
+        xRes = mxThesDsp.get();
+    }
+    return xRes;
+}
+
+
+sal_Bool SAL_CALL
+    LngSvcMgr::addLinguServiceManagerListener(
+            const uno::Reference< lang::XEventListener >& xListener )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    if (bDisposing || !xListener.is())
+        return false;
+
+    if (!mxListenerHelper.is())
+        GetListenerHelper_Impl();
+    mxListenerHelper->AddLngSvcMgrListener( xListener );
+    return true;
+}
+
+
+sal_Bool SAL_CALL
+    LngSvcMgr::removeLinguServiceManagerListener(
+            const uno::Reference< lang::XEventListener >& xListener )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    if (bDisposing || !xListener.is())
+        return false;
+
+    DBG_ASSERT( mxListenerHelper.is(), "listener removed without being added" );
+    if (!mxListenerHelper.is())
+        GetListenerHelper_Impl();
+    mxListenerHelper->RemoveLngSvcMgrListener( xListener );
+    return true;
+}
+
+
+uno::Sequence< OUString > SAL_CALL
+    LngSvcMgr::getAvailableServices(
+            const OUString& rServiceName,
+            const lang::Locale& rLocale )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    uno::Sequence< OUString > aRes;
+    const SvcInfoArray *pInfoArray = nullptr;
+
+    if (rServiceName == SN_SPELLCHECKER)
+    {
+        GetAvailableSpellSvcs_Impl();
+        pInfoArray = pAvailSpellSvcs.get();
+    }
+    else if (rServiceName == SN_GRAMMARCHECKER)
+    {
+        GetAvailableGrammarSvcs_Impl();
+        pInfoArray = pAvailGrammarSvcs.get();
+    }
+    else if (rServiceName == SN_HYPHENATOR)
+    {
+        GetAvailableHyphSvcs_Impl();
+        pInfoArray = pAvailHyphSvcs.get();
+    }
+    else if (rServiceName == SN_THESAURUS)
+    {
+        GetAvailableThesSvcs_Impl();
+        pInfoArray = pAvailThesSvcs.get();
+    }
+
+    if (pInfoArray)
+    {
+        std::vector<OUString> aVec;
+        aVec.reserve(pInfoArray->size());
+
+        LanguageType nLanguage = LinguLocaleToLanguage( rLocale );
+        for (const auto& pInfo : *pInfoArray)
+        {
+            if (LinguIsUnspecified( nLanguage )
+                || pInfo->HasLanguage( nLanguage ))
+            {
+                aVec.push_back(pInfo->aSvcImplName);
+            }
+        }
+
+        aRes = comphelper::containerToSequence(aVec);
+    }
+
+    return aRes;
+}
+
+
+uno::Sequence< lang::Locale > SAL_CALL
+    LngSvcMgr::getAvailableLocales(
+            const OUString& rServiceName )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    uno::Sequence< lang::Locale > aRes;
+
+    uno::Sequence< lang::Locale >  *pAvailLocales     = nullptr;
+    if (rServiceName == SN_SPELLCHECKER)
+        pAvailLocales       = &aAvailSpellLocales;
+    else if (rServiceName == SN_GRAMMARCHECKER)
+        pAvailLocales       = &aAvailGrammarLocales;
+    else if (rServiceName == SN_HYPHENATOR)
+        pAvailLocales       = &aAvailHyphLocales;
+    else if (rServiceName == SN_THESAURUS)
+        pAvailLocales       = &aAvailThesLocales;
+
+    // Nowadays (with OOo lingu in SO) we want to know immediately about
+    // new downloaded dictionaries and have them ready right away if the Tools/Options...
+    // is used to activate them. Thus we can not rely anymore on buffered data.
+    if (pAvailLocales)
+    {
+        *pAvailLocales = GetAvailLocales(getAvailableServices(rServiceName, lang::Locale()));
+        aRes = *pAvailLocales;
+    }
+
+    return aRes;
+}
+
+static bool IsEqSvcList( const uno::Sequence< OUString > &rList1,
+                         const uno::Sequence< OUString > &rList2 )
+{
+    // returns true if both sequences are equal
+    return rList1.getLength() == rList2.getLength()
+        && std::equal(rList1.begin(), rList1.end(), rList2.begin(), rList2.end());
+}
+
+
+void SAL_CALL
+    LngSvcMgr::setConfiguredServices(
+            const OUString& rServiceName,
+            const lang::Locale& rLocale,
+            const uno::Sequence< OUString >& rServiceImplNames )
+{
+    SAL_INFO( "linguistic", "linguistic: LngSvcMgr::setConfiguredServices" );
+
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    LanguageType nLanguage = LinguLocaleToLanguage( rLocale );
+    if (LinguIsUnspecified( nLanguage))
+        return;
+
+    if (rServiceName == SN_SPELLCHECKER)
+    {
+        if (!mxSpellDsp.is())
+            GetSpellCheckerDsp_Impl();
+        bool bChanged = !IsEqSvcList( rServiceImplNames,
+                                      mxSpellDsp->GetServiceList( rLocale ) );
+        if (bChanged)
+        {
+            mxSpellDsp->SetServiceList( rLocale, rServiceImplNames );
+            SaveCfgSvcs( SN_SPELLCHECKER );
+
+            if (mxListenerHelper)
+                mxListenerHelper->AddLngSvcEvt(
+                        linguistic2::LinguServiceEventFlags::SPELL_CORRECT_WORDS_AGAIN |
+                        linguistic2::LinguServiceEventFlags::SPELL_WRONG_WORDS_AGAIN );
+        }
+    }
+    else if (rServiceName == SN_GRAMMARCHECKER)
+    {
+        if (!mxGrammarDsp.is())
+            GetGrammarCheckerDsp_Impl();
+        bool bChanged = !IsEqSvcList( rServiceImplNames,
+                                      mxGrammarDsp->GetServiceList( rLocale ) );
+        if (bChanged)
+        {
+            mxGrammarDsp->SetServiceList( rLocale, rServiceImplNames );
+            SaveCfgSvcs( SN_GRAMMARCHECKER );
+
+            if (mxListenerHelper)
+                mxListenerHelper->AddLngSvcEvt(
+                        linguistic2::LinguServiceEventFlags::PROOFREAD_AGAIN );
+        }
+    }
+    else if (rServiceName == SN_HYPHENATOR)
+    {
+        if (!mxHyphDsp.is())
+            GetHyphenatorDsp_Impl();
+        bool bChanged = !IsEqSvcList( rServiceImplNames,
+                                      mxHyphDsp->GetServiceList( rLocale ) );
+        if (bChanged)
+        {
+            mxHyphDsp->SetServiceList( rLocale, rServiceImplNames );
+            SaveCfgSvcs( SN_HYPHENATOR );
+
+            if (mxListenerHelper)
+                mxListenerHelper->AddLngSvcEvt(
+                        linguistic2::LinguServiceEventFlags::HYPHENATE_AGAIN );
+        }
+    }
+    else if (rServiceName == SN_THESAURUS)
+    {
+        if (!mxThesDsp.is())
+            GetThesaurusDsp_Impl();
+        bool bChanged = !IsEqSvcList( rServiceImplNames,
+                                      mxThesDsp->GetServiceList( rLocale ) );
+        if (bChanged)
+        {
+            mxThesDsp->SetServiceList( rLocale, rServiceImplNames );
+            SaveCfgSvcs( SN_THESAURUS );
+        }
+    }
+}
+
+
+bool LngSvcMgr::SaveCfgSvcs( const OUString &rServiceName )
+{
+    SAL_INFO( "linguistic", "linguistic: LngSvcMgr::SaveCfgSvcs" );
+
+    bool bRes = false;
+
+    LinguDispatcher *pDsp = nullptr;
+    uno::Sequence< lang::Locale > aLocales;
+
+    if (rServiceName == SN_SPELLCHECKER)
+    {
+        if (!mxSpellDsp)
+            GetSpellCheckerDsp_Impl();
+        pDsp = mxSpellDsp.get();
+        aLocales = getAvailableLocales( SN_SPELLCHECKER );
+    }
+    else if (rServiceName == SN_GRAMMARCHECKER)
+    {
+        if (!mxGrammarDsp.is())
+            GetGrammarCheckerDsp_Impl();
+        pDsp = mxGrammarDsp.get();
+        aLocales = getAvailableLocales( SN_GRAMMARCHECKER );
+    }
+    else if (rServiceName == SN_HYPHENATOR)
+    {
+        if (!mxHyphDsp.is())
+            GetHyphenatorDsp_Impl();
+        pDsp = mxHyphDsp.get();
+        aLocales = getAvailableLocales( SN_HYPHENATOR );
+    }
+    else if (rServiceName == SN_THESAURUS)
+    {
+        if (!mxThesDsp.is())
+            GetThesaurusDsp_Impl();
+        pDsp = mxThesDsp.get();
+        aLocales = getAvailableLocales( SN_THESAURUS );
+    }
+
+    if (pDsp  &&  aLocales.hasElements())
+    {
+        uno::Sequence< beans::PropertyValue > aValues( aLocales.getLength() );
+        beans::PropertyValue *pValue = aValues.getArray();
+
+        // get node name to be used
+        const char *pNodeName = nullptr;
+        if (pDsp == mxSpellDsp.get())
+            pNodeName = "ServiceManager/SpellCheckerList";
+        else if (pDsp == mxGrammarDsp.get())
+            pNodeName = "ServiceManager/GrammarCheckerList";
+        else if (pDsp == mxHyphDsp.get())
+            pNodeName = "ServiceManager/HyphenatorList";
+        else if (pDsp == mxThesDsp.get())
+            pNodeName = "ServiceManager/ThesaurusList";
+        else
+        {
+            SAL_WARN( "linguistic", "node name missing" );
+        }
+        OUString aNodeName( OUString::createFromAscii(pNodeName) );
+
+        for (const lang::Locale& rLocale : std::as_const(aLocales))
+        {
+            uno::Sequence< OUString > aSvcImplNames = pDsp->GetServiceList( rLocale );
+
+            // build value to be written back to configuration
+            uno::Any aCfgAny;
+            if ((pDsp == mxHyphDsp.get() || pDsp == mxGrammarDsp.get()) && aSvcImplNames.getLength() > 1)
+                aSvcImplNames.realloc(1);   // there should be only one entry for hyphenators or grammar checkers (because they are not chained)
+            aCfgAny <<= aSvcImplNames;
+            DBG_ASSERT( aCfgAny.hasValue(), "missing value for 'Any' type" );
+
+            OUString aCfgLocaleStr( LanguageTag::convertToBcp47( rLocale));
+            pValue->Value = aCfgAny;
+            pValue->Name  = aNodeName + "/" + aCfgLocaleStr;
+            pValue++;
+        }
+        {
+        SAL_INFO( "linguistic", "linguistic: LngSvcMgr::SaveCfgSvcs - ReplaceSetProperties" );
+        // change, add new or replace existing entries.
+        bRes |= /*aCfg.*/ReplaceSetProperties( aNodeName, aValues );
+        }
+    }
+
+    return bRes;
+}
+
+
+static uno::Sequence< OUString > GetLangSvcList( const uno::Any &rVal )
+{
+    uno::Sequence< OUString > aRes;
+
+    if (rVal.hasValue())
+    {
+        rVal >>= aRes;
+#if OSL_DEBUG_LEVEL > 0
+        for (const OUString& rSvcName : std::as_const(aRes))
+        {
+            SAL_WARN_IF( rSvcName.isEmpty(), "linguistic", "service impl-name missing" );
+        }
+#endif
+    }
+
+    return aRes;
+}
+
+
+static uno::Sequence< OUString > GetLangSvc( const uno::Any &rVal )
+{
+    uno::Sequence< OUString > aRes;
+    if (!rVal.hasValue())
+        return aRes;
+
+    // allowing for a sequence here as well (even though it should only
+    // be a string) makes coding easier in other places since one needs
+    // not make a special case for writing a string only and not a
+    // sequence of strings.
+    if (rVal >>= aRes)
+    {
+        // but only the first string should be used.
+        if (aRes.getLength() > 1)
+            aRes.realloc(1);
+    }
+    else
+    {
+        OUString aImplName;
+        if ((rVal >>= aImplName) && !aImplName.isEmpty())
+        {
+            aRes.realloc(1);
+            aRes.getArray()[0] = aImplName;
+        }
+        else
+        {
+            SAL_WARN( "linguistic", "GetLangSvc: unexpected type encountered" );
+        }
+    }
+
+    return aRes;
+}
+
+
+uno::Sequence< OUString > SAL_CALL
+    LngSvcMgr::getConfiguredServices(
+            const OUString& rServiceName,
+            const lang::Locale& rLocale )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    uno::Sequence< OUString > aSvcImplNames;
+
+    OUString aCfgLocale( LanguageTag::convertToBcp47( rLocale) );
+
+    uno::Sequence< uno::Any > aValues;
+    uno::Sequence< OUString > aNames( 1 );
+    OUString *pNames = aNames.getArray();
+    if ( rServiceName == SN_SPELLCHECKER )
+    {
+        OUString aNode( "ServiceManager/SpellCheckerList");
+        const uno::Sequence< OUString > aNodeEntries( GetNodeNames( aNode ) );
+        if (lcl_SeqHasString( aNodeEntries, aCfgLocale ))
+        {
+            pNames[0] = aNode + "/" + aCfgLocale;
+            aValues = /*aCfg.*/GetProperties( aNames );
+            if (aValues.hasElements())
+                aSvcImplNames = GetLangSvcList( aValues.getConstArray()[0] );
+        }
+    }
+    else if ( rServiceName == SN_GRAMMARCHECKER )
+    {
+        OUString aNode( "ServiceManager/GrammarCheckerList");
+        const uno::Sequence< OUString > aNodeEntries( GetNodeNames( aNode ) );
+        if (lcl_SeqHasString( aNodeEntries, aCfgLocale ))
+        {
+            pNames[0] = aNode + "/" + aCfgLocale;
+            aValues = /*aCfg.*/GetProperties( aNames );
+            if (aValues.hasElements())
+                aSvcImplNames = GetLangSvc( aValues.getConstArray()[0] );
+        }
+    }
+    else if ( rServiceName == SN_HYPHENATOR )
+    {
+        OUString aNode( "ServiceManager/HyphenatorList");
+        const uno::Sequence< OUString > aNodeEntries( GetNodeNames( aNode ) );
+        if (lcl_SeqHasString( aNodeEntries, aCfgLocale ))
+        {
+            pNames[0] = aNode + "/" + aCfgLocale;
+            aValues = /*aCfg.*/GetProperties( aNames );
+            if (aValues.hasElements())
+                aSvcImplNames = GetLangSvc( aValues.getConstArray()[0] );
+        }
+    }
+    else if ( rServiceName == SN_THESAURUS )
+    {
+        OUString aNode( "ServiceManager/ThesaurusList");
+        const uno::Sequence< OUString > aNodeEntries( GetNodeNames( aNode ) );
+        if (lcl_SeqHasString( aNodeEntries, aCfgLocale ))
+        {
+            pNames[0] = aNode + "/" + aCfgLocale;
+            aValues = /*aCfg.*/GetProperties( aNames );
+            if (aValues.hasElements())
+                aSvcImplNames = GetLangSvcList( aValues.getConstArray()[0] );
+        }
+    }
+
+    return aSvcImplNames;
+}
+
+
+void SAL_CALL
+    LngSvcMgr::dispose()
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    if (!bDisposing)
+    {
+        bDisposing = true;
+
+        // require listeners to release this object
+        lang::EventObject aEvtObj( static_cast<XLinguServiceManager*>(this) );
+        aEvtListeners.disposeAndClear( aEvtObj );
+
+        if (mxListenerHelper.is())
+            mxListenerHelper->DisposeAndClear( aEvtObj );
+    }
+}
+
+
+void SAL_CALL
+    LngSvcMgr::addEventListener(
+            const uno::Reference< lang::XEventListener >& xListener )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    if (!bDisposing  &&  xListener.is())
+    {
+        aEvtListeners.addInterface( xListener );
+    }
+}
+
+
+void SAL_CALL
+    LngSvcMgr::removeEventListener(
+            const uno::Reference< lang::XEventListener >& xListener )
+{
+    osl::MutexGuard aGuard( GetLinguMutex() );
+
+    if (xListener.is())
+    {
+        aEvtListeners.removeInterface( xListener );
+    }
+}
+
+
+bool LngSvcMgr::AddLngSvcEvtBroadcaster(
+            const uno::Reference< linguistic2::XLinguServiceEventBroadcaster > &rxBroadcaster )
+{
+    if (!rxBroadcaster.is())
+        return false;
+    if (!mxListenerHelper.is())
+        GetListenerHelper_Impl();
+    mxListenerHelper->AddLngSvcEvtBroadcaster( rxBroadcaster );
+    return true;
+}
+
+
+OUString SAL_CALL
+    LngSvcMgr::getImplementationName()
+{
+    return getImplementationName_Static();
+}
+
+
+sal_Bool SAL_CALL
+    LngSvcMgr::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+
+uno::Sequence< OUString > SAL_CALL
+    LngSvcMgr::getSupportedServiceNames()
+{
+    return getSupportedServiceNames_Static();
+}
+
+
+uno::Sequence< OUString > LngSvcMgr::getSupportedServiceNames_Static()
+        throw()
+{
+    return { "com.sun.star.linguistic2.LinguServiceManager" };
+}
+
+/// @throws uno::Exception
+static uno::Reference< uno::XInterface > LngSvcMgr_CreateInstance(
+            const uno::Reference< lang::XMultiServiceFactory > & /*rSMgr*/ )
+{
+    uno::Reference< uno::XInterface > xService = static_cast<cppu::OWeakObject*>(new LngSvcMgr);
+    return xService;
+}
+
+void * LngSvcMgr_getFactory(
+            const char * pImplName,
+            lang::XMultiServiceFactory * pServiceManager )
+{
+
+    void * pRet = nullptr;
+    if ( LngSvcMgr::getImplementationName_Static().equalsAscii( pImplName ) )
+    {
+        uno::Reference< lang::XSingleServiceFactory > xFactory =
+            cppu::createOneInstanceFactory(
+                pServiceManager,
+                LngSvcMgr::getImplementationName_Static(),
+                LngSvcMgr_CreateInstance,
+                LngSvcMgr::getSupportedServiceNames_Static());
+        // acquire, because we return an interface pointer instead of a reference
+        xFactory->acquire();
+        pRet = xFactory.get();
+    }
+    return pRet;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */