1 files changed, 398 insertions, 0 deletions
diff --git a/comphelper/source/property/MasterPropertySet.cxx b/comphelper/source/property/MasterPropertySet.cxx
new file mode 100644
index 000000000..922a4c1c6
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+++ b/comphelper/source/property/MasterPropertySet.cxx
@@ -0,0 +1,398 @@
+/* -*- 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 <comphelper/MasterPropertySet.hxx>
+#include <comphelper/MasterPropertySetInfo.hxx>
+#include <comphelper/ChainablePropertySet.hxx>
+#include <comphelper/ChainablePropertySetInfo.hxx>
+#include <comphelper/solarmutex.hxx>
+
+
+#include <memory>
+#include <vector>
+#include <optional>
+
+namespace {
+
+class AutoOGuardArray
+{
+    std::vector<std::optional< osl::Guard< comphelper::SolarMutex > >>  maGuardArray;
+
+public:
+    explicit AutoOGuardArray( sal_Int32 nNumElements );
+
+    std::optional< osl::Guard< comphelper::SolarMutex > > &  operator[] ( sal_Int32 i ) { return maGuardArray[i]; }
+};
+
+}
+
+AutoOGuardArray::AutoOGuardArray( sal_Int32 nNumElements ) : maGuardArray(nNumElements)
+{
+}
+
+
+using namespace ::comphelper;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star::beans;
+
+
+SlaveData::SlaveData ( ChainablePropertySet *pSlave)
+: mxSlave ( pSlave )
+, mbInit ( false )
+{
+}
+
+MasterPropertySet::MasterPropertySet( comphelper::MasterPropertySetInfo* pInfo, comphelper::SolarMutex* pMutex )
+    noexcept
+: mpMutex ( pMutex )
+, mnLastId ( 0 )
+, mxInfo ( pInfo )
+{
+}
+
+MasterPropertySet::~MasterPropertySet()
+    noexcept
+{
+    for( const auto& rSlave : maSlaveMap )
+        delete rSlave.second;
+}
+
+// XPropertySet
+Reference< XPropertySetInfo > SAL_CALL MasterPropertySet::getPropertySetInfo(  )
+{
+    return mxInfo;
+}
+
+void MasterPropertySet::registerSlave ( ChainablePropertySet *pNewSet )
+    noexcept
+{
+    maSlaveMap [ ++mnLastId ] = new SlaveData ( pNewSet );
+    mxInfo->add ( pNewSet->mxInfo->maMap, mnLastId );
+}
+
+void SAL_CALL MasterPropertySet::setPropertyValue( const OUString& rPropertyName, const Any& rValue )
+{
+    // acquire mutex in c-tor and releases it in the d-tor (exception safe!).
+    std::optional< osl::Guard< comphelper::SolarMutex > > xMutexGuard;
+    if (mpMutex)
+        xMutexGuard.emplace( mpMutex );
+
+    PropertyDataHash::const_iterator aIter = mxInfo->maMap.find ( rPropertyName );
+
+    if( aIter == mxInfo->maMap.end())
+        throw UnknownPropertyException( rPropertyName, static_cast< XPropertySet* >( this ) );
+
+    if ( (*aIter).second->mnMapId == 0 ) // 0 means it's one of ours !
+    {
+        _preSetValues();
+        _setSingleValue( *((*aIter).second->mpInfo), rValue );
+        _postSetValues();
+    }
+    else
+    {
+        ChainablePropertySet * pSlave = maSlaveMap [ (*aIter).second->mnMapId ]->mxSlave.get();
+
+        // acquire mutex in c-tor and releases it in the d-tor (exception safe!).
+        std::optional< osl::Guard< comphelper::SolarMutex > > xMutexGuard2;
+        if (pSlave->mpMutex)
+            xMutexGuard2.emplace( pSlave->mpMutex );
+
+        pSlave->_preSetValues();
+        pSlave->_setSingleValue( *((*aIter).second->mpInfo), rValue );
+        pSlave->_postSetValues();
+    }
+}
+
+Any SAL_CALL MasterPropertySet::getPropertyValue( const OUString& rPropertyName )
+{
+    // acquire mutex in c-tor and releases it in the d-tor (exception safe!).
+    std::optional< osl::Guard< comphelper::SolarMutex > > xMutexGuard;
+    if (mpMutex)
+        xMutexGuard.emplace( mpMutex );
+
+    PropertyDataHash::const_iterator aIter = mxInfo->maMap.find ( rPropertyName );
+
+    if( aIter == mxInfo->maMap.end())
+        throw UnknownPropertyException( rPropertyName, static_cast< XPropertySet* >( this ) );
+
+    Any aAny;
+    if ( (*aIter).second->mnMapId == 0 ) // 0 means it's one of ours !
+    {
+        _preGetValues();
+        _getSingleValue( *((*aIter).second->mpInfo), aAny );
+        _postGetValues();
+    }
+    else
+    {
+        ChainablePropertySet * pSlave = maSlaveMap [ (*aIter).second->mnMapId ]->mxSlave.get();
+
+        // acquire mutex in c-tor and releases it in the d-tor (exception safe!).
+        std::optional< osl::Guard< comphelper::SolarMutex > > xMutexGuard2;
+        if (pSlave->mpMutex)
+            xMutexGuard2.emplace( pSlave->mpMutex );
+
+        pSlave->_preGetValues();
+        pSlave->_getSingleValue( *((*aIter).second->mpInfo), aAny );
+        pSlave->_postGetValues();
+    }
+    return aAny;
+}
+
+void SAL_CALL MasterPropertySet::addPropertyChangeListener( const OUString&, const Reference< XPropertyChangeListener >& )
+{
+    // todo
+}
+
+void SAL_CALL MasterPropertySet::removePropertyChangeListener( const OUString&, const Reference< XPropertyChangeListener >& )
+{
+    // todo
+}
+
+void SAL_CALL MasterPropertySet::addVetoableChangeListener( const OUString&, const Reference< XVetoableChangeListener >& )
+{
+    // todo
+}
+
+void SAL_CALL MasterPropertySet::removeVetoableChangeListener( const OUString&, const Reference< XVetoableChangeListener >& )
+{
+    // todo
+}
+
+// XMultiPropertySet
+void SAL_CALL MasterPropertySet::setPropertyValues( const Sequence< OUString >& aPropertyNames, const Sequence< Any >& aValues )
+{
+    // acquire mutex in c-tor and releases it in the d-tor (exception safe!).
+    std::optional< osl::Guard< comphelper::SolarMutex > > xMutexGuard;
+    if (mpMutex)
+        xMutexGuard.emplace( mpMutex );
+
+    const sal_Int32 nCount = aPropertyNames.getLength();
+
+    if( nCount != aValues.getLength() )
+        throw IllegalArgumentException();
+
+    if( !nCount )
+        return;
+
+    _preSetValues();
+
+    const Any * pAny = aValues.getConstArray();
+    const OUString * pString = aPropertyNames.getConstArray();
+    PropertyDataHash::const_iterator aEnd = mxInfo->maMap.end(), aIter;
+
+    //!! have a unique_ptr to an array of OGuards in order to have the
+    //!! allocated memory properly freed (exception safe!).
+    //!! Since the array itself has unique_ptrs as members we have to use a
+    //!! helper class 'AutoOGuardArray' in order to have
+    //!! the acquired locks properly released.
+    AutoOGuardArray aOGuardArray( nCount );
+
+    for ( sal_Int32 i = 0; i < nCount; ++i, ++pString, ++pAny )
+    {
+        aIter = mxInfo->maMap.find ( *pString );
+        if ( aIter == aEnd )
+            throw RuntimeException( *pString, static_cast< XPropertySet* >( this ) );
+
+        if ( (*aIter).second->mnMapId == 0 ) // 0 means it's one of ours !
+            _setSingleValue( *((*aIter).second->mpInfo), *pAny );
+        else
+        {
+            SlaveData * pSlave = maSlaveMap [ (*aIter).second->mnMapId ];
+            if (!pSlave->IsInit())
+            {
+                // acquire mutex in c-tor and releases it in the d-tor (exception safe!).
+                if (pSlave->mxSlave->mpMutex)
+                    aOGuardArray[i].emplace( pSlave->mxSlave->mpMutex );
+
+                pSlave->mxSlave->_preSetValues();
+                pSlave->SetInit ( true );
+            }
+            pSlave->mxSlave->_setSingleValue( *((*aIter).second->mpInfo), *pAny );
+        }
+    }
+
+    _postSetValues();
+    for( const auto& rSlave : maSlaveMap )
+    {
+        if( rSlave.second->IsInit() )
+        {
+            rSlave.second->mxSlave->_postSetValues();
+            rSlave.second->SetInit( false );
+        }
+    }
+}
+
+Sequence< Any > SAL_CALL MasterPropertySet::getPropertyValues( const Sequence< OUString >& aPropertyNames )
+{
+    // acquire mutex in c-tor and releases it in the d-tor (exception safe!).
+    std::optional< osl::Guard< comphelper::SolarMutex > > xMutexGuard;
+    if (mpMutex)
+        xMutexGuard.emplace( mpMutex );
+
+    const sal_Int32 nCount = aPropertyNames.getLength();
+
+    Sequence < Any > aValues ( nCount );
+
+    if( nCount )
+    {
+        _preGetValues();
+
+        Any * pAny = aValues.getArray();
+        const OUString * pString = aPropertyNames.getConstArray();
+        PropertyDataHash::const_iterator aEnd = mxInfo->maMap.end(), aIter;
+
+        //!! have a unique_ptr to an array of OGuards in order to have the
+        //!! allocated memory properly freed (exception safe!).
+        //!! Since the array itself has unique_ptrs as members we have to use a
+        //!! helper class 'AutoOGuardArray' in order to have
+        //!! the acquired locks properly released.
+        AutoOGuardArray aOGuardArray( nCount );
+
+        for ( sal_Int32 i = 0; i < nCount; ++i, ++pString, ++pAny )
+        {
+            aIter = mxInfo->maMap.find ( *pString );
+            if ( aIter == aEnd )
+                throw RuntimeException( *pString, static_cast< XPropertySet* >( this ) );
+
+            if ( (*aIter).second->mnMapId == 0 ) // 0 means it's one of ours !
+                _getSingleValue( *((*aIter).second->mpInfo), *pAny );
+            else
+            {
+                SlaveData * pSlave = maSlaveMap [ (*aIter).second->mnMapId ];
+                if (!pSlave->IsInit())
+                {
+                    // acquire mutex in c-tor and releases it in the d-tor (exception safe!).
+                    if (pSlave->mxSlave->mpMutex)
+                        aOGuardArray[i].emplace( pSlave->mxSlave->mpMutex );
+
+                    pSlave->mxSlave->_preGetValues();
+                    pSlave->SetInit ( true );
+                }
+                pSlave->mxSlave->_getSingleValue( *((*aIter).second->mpInfo), *pAny );
+            }
+        }
+
+        _postSetValues();
+        for( const auto& rSlave : maSlaveMap )
+        {
+            if( rSlave.second->IsInit() )
+            {
+                rSlave.second->mxSlave->_postSetValues();
+                rSlave.second->SetInit( false );
+            }
+        }
+    }
+    return aValues;
+}
+
+void SAL_CALL MasterPropertySet::addPropertiesChangeListener( const Sequence< OUString >&, const Reference< XPropertiesChangeListener >& )
+{
+    // todo
+}
+
+void SAL_CALL MasterPropertySet::removePropertiesChangeListener( const Reference< XPropertiesChangeListener >& )
+{
+    // todo
+}
+
+void SAL_CALL MasterPropertySet::firePropertiesChangeEvent( const Sequence< OUString >&, const Reference< XPropertiesChangeListener >& )
+{
+    // todo
+}
+
+// XPropertyState
+PropertyState SAL_CALL MasterPropertySet::getPropertyState( const OUString& PropertyName )
+{
+    PropertyDataHash::const_iterator aIter =  mxInfo->maMap.find( PropertyName );
+    if( aIter == mxInfo->maMap.end())
+        throw UnknownPropertyException( PropertyName, static_cast< XPropertySet* >( this ) );
+
+    // 0 means it's one of ours !
+    if ( (*aIter).second->mnMapId != 0 )
+    {
+        ChainablePropertySet * pSlave = maSlaveMap [ (*aIter).second->mnMapId ]->mxSlave.get();
+
+        // acquire mutex in c-tor and releases it in the d-tor (exception safe!).
+        std::optional< osl::Guard< comphelper::SolarMutex > > xMutexGuard;
+        if (pSlave->mpMutex)
+            xMutexGuard.emplace( pSlave->mpMutex );
+    }
+
+    return PropertyState_AMBIGUOUS_VALUE;
+}
+
+Sequence< PropertyState > SAL_CALL MasterPropertySet::getPropertyStates( const Sequence< OUString >& rPropertyNames )
+{
+    const sal_Int32 nCount = rPropertyNames.getLength();
+
+    Sequence< PropertyState > aStates( nCount );
+    if( nCount )
+    {
+        PropertyState * pState = aStates.getArray();
+        const OUString * pString = rPropertyNames.getConstArray();
+        PropertyDataHash::const_iterator aEnd = mxInfo->maMap.end(), aIter;
+
+        for ( sal_Int32 i = 0; i < nCount; ++i, ++pString, ++pState )
+        {
+            aIter = mxInfo->maMap.find ( *pString );
+            if ( aIter == aEnd )
+                throw UnknownPropertyException( *pString, static_cast< XPropertySet* >( this ) );
+
+            // 0 means it's one of ours !
+            if ( (*aIter).second->mnMapId != 0 )
+            {
+                SlaveData * pSlave = maSlaveMap [ (*aIter).second->mnMapId ];
+                if (!pSlave->IsInit())
+                {
+                    pSlave->SetInit ( true );
+                }
+            }
+        }
+        for( const auto& rSlave : maSlaveMap )
+        {
+            if( rSlave.second->IsInit() )
+            {
+                rSlave.second->SetInit( false );
+            }
+        }
+    }
+    return aStates;
+}
+
+void SAL_CALL MasterPropertySet::setPropertyToDefault( const OUString& rPropertyName )
+{
+    PropertyDataHash::const_iterator aIter = mxInfo->maMap.find ( rPropertyName );
+
+    if( aIter == mxInfo->maMap.end())
+        throw UnknownPropertyException( rPropertyName, static_cast< XPropertySet* >( this ) );
+}
+
+Any SAL_CALL MasterPropertySet::getPropertyDefault( const OUString& rPropertyName )
+{
+    PropertyDataHash::const_iterator aIter = mxInfo->maMap.find ( rPropertyName );
+
+    if( aIter == mxInfo->maMap.end())
+        throw UnknownPropertyException( rPropertyName, static_cast< XPropertySet* >( this ) );
+    return Any();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */