Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 231 insertions, 0 deletions

diff --git a/dbaccess/source/core/misc/ContainerMediator.cxx b/dbaccess/source/core/misc/ContainerMediator.cxx
new file mode 100644
index 000000000..338858c87
--- /dev/null
+++ b/dbaccess/source/core/misc/ContainerMediator.cxx
@@ -0,0 +1,231 @@
+/* -*- 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 <ContainerMediator.hxx>
+#include <PropertyForward.hxx>
+
+#include <com/sun/star/beans/PropertyAttribute.hpp>
+#include <com/sun/star/container/XNameContainer.hpp>
+#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
+#include <com/sun/star/sdbcx/XRename.hpp>
+#include <comphelper/property.hxx>
+#include <tools/diagnose_ex.h>
+
+namespace dbaccess
+{
+    using namespace ::com::sun::star::uno;
+    using namespace ::com::sun::star::lang;
+    using namespace ::com::sun::star::sdbcx;
+    using namespace ::com::sun::star::beans;
+    using namespace ::com::sun::star::container;
+
+OContainerMediator::OContainerMediator( const Reference< XContainer >& _xContainer, const Reference< XNameAccess >& _xSettings )
+    : m_xSettings( _xSettings )
+    , m_xContainer( _xContainer )
+{
+
+    if ( _xSettings.is() && _xContainer.is() )
+    {
+        osl_atomic_increment(&m_refCount);
+        try
+        {
+            m_xContainer->addContainerListener(this);
+            Reference< XContainer > xContainer(_xSettings, UNO_QUERY);
+            if ( xContainer.is() )
+                xContainer->addContainerListener(this);
+        }
+        catch(Exception&)
+        {
+            TOOLS_WARN_EXCEPTION("dbaccess", "OContainerMediator::OContainerMediator");
+        }
+        osl_atomic_decrement( &m_refCount );
+    }
+    else
+    {
+        m_xSettings.clear();
+        m_xContainer.clear();
+    }
+}
+
+OContainerMediator::~OContainerMediator()
+{
+    acquire();
+    impl_cleanup_nothrow();
+}
+
+void OContainerMediator::impl_cleanup_nothrow()
+{
+    try
+    {
+        Reference< XContainer > xContainer( m_xSettings, UNO_QUERY );
+        if ( xContainer.is() )
+            xContainer->removeContainerListener( this );
+        m_xSettings.clear();
+
+        xContainer = m_xContainer;
+        if ( xContainer.is() )
+            xContainer->removeContainerListener( this );
+        m_xContainer.clear();
+
+        m_aForwardList.clear();
+    }
+    catch( const Exception& )
+    {
+        DBG_UNHANDLED_EXCEPTION("dbaccess");
+    }
+}
+
+void SAL_CALL OContainerMediator::elementInserted( const ContainerEvent& _rEvent )
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+    if ( _rEvent.Source == m_xSettings && m_xSettings.is() )
+    {
+        OUString sElementName;
+        _rEvent.Accessor >>= sElementName;
+        PropertyForwardList::const_iterator aFind = m_aForwardList.find(sElementName);
+        if ( aFind != m_aForwardList.end() )
+        {
+            Reference< XPropertySet> xDest(_rEvent.Element,UNO_QUERY);
+            aFind->second->setDefinition( xDest );
+        }
+    }
+}
+
+void SAL_CALL OContainerMediator::elementRemoved( const ContainerEvent& _rEvent )
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+    Reference< XContainer > xContainer = m_xContainer;
+    if ( !(_rEvent.Source == xContainer && xContainer.is()) )
+        return;
+
+    OUString sElementName;
+    _rEvent.Accessor >>= sElementName;
+    m_aForwardList.erase(sElementName);
+    try
+    {
+        Reference<XNameContainer> xNameContainer( m_xSettings, UNO_QUERY );
+        if ( xNameContainer.is() && m_xSettings->hasByName( sElementName ) )
+            xNameContainer->removeByName( sElementName );
+    }
+    catch( const Exception& )
+    {
+        DBG_UNHANDLED_EXCEPTION("dbaccess");
+    }
+}
+
+void SAL_CALL OContainerMediator::elementReplaced( const ContainerEvent& _rEvent )
+{
+    Reference< XContainer > xContainer = m_xContainer;
+    if ( !(_rEvent.Source == xContainer && xContainer.is()) )
+        return;
+
+    OUString sElementName;
+    _rEvent.ReplacedElement >>= sElementName;
+
+    PropertyForwardList::const_iterator aFind = m_aForwardList.find(sElementName);
+    if ( aFind == m_aForwardList.end() )
+        return;
+
+    OUString sNewName;
+    _rEvent.Accessor >>= sNewName;
+    try
+    {
+        Reference<XNameContainer> xNameContainer( m_xSettings, UNO_QUERY_THROW );
+        if ( xNameContainer.is() && m_xSettings->hasByName( sElementName ) )
+        {
+            Reference<XRename> xSource(m_xSettings->getByName(sElementName),UNO_QUERY_THROW);
+            xSource->rename(sNewName);
+        }
+    }
+    catch( const Exception& )
+    {
+        DBG_UNHANDLED_EXCEPTION("dbaccess");
+    }
+
+    aFind->second->setName(sNewName);
+}
+
+void SAL_CALL OContainerMediator::disposing( const EventObject& /*Source*/ )
+{
+    ::osl::MutexGuard aGuard(m_aMutex);
+
+    impl_cleanup_nothrow();
+}
+
+void OContainerMediator::impl_initSettings_nothrow( const OUString& _rName, const Reference< XPropertySet >& _rxDestination )
+{
+    try
+    {
+        if ( m_xSettings.is() && m_xSettings->hasByName( _rName ) )
+        {
+            Reference< XPropertySet > xSettings( m_xSettings->getByName( _rName ), UNO_QUERY_THROW );
+            ::comphelper::copyProperties( xSettings, _rxDestination );
+        }
+    }
+    catch( const Exception& )
+    {
+        DBG_UNHANDLED_EXCEPTION("dbaccess");
+    }
+}
+
+void OContainerMediator::notifyElementCreated( const OUString& _sName, const Reference< XPropertySet >& _xDest )
+{
+    if ( !m_xSettings.is() )
+        return;
+
+    PropertyForwardList::const_iterator aFind = m_aForwardList.find( _sName );
+    if  (   aFind != m_aForwardList.end()
+        &&  aFind->second->getDefinition().is()
+        )
+    {
+        OSL_FAIL( "OContainerMediator::notifyElementCreated: is this really a valid case?" );
+        return;
+    }
+
+    std::vector< OUString > aPropertyList;
+    try
+    {
+        // initially copy from the settings object (if existent) to the newly created object
+        impl_initSettings_nothrow( _sName, _xDest );
+
+        // collect the to-be-monitored properties
+        Reference< XPropertySetInfo > xPSI( _xDest->getPropertySetInfo(), UNO_SET_THROW );
+        const Sequence< Property > aProperties( xPSI->getProperties() );
+        for ( auto const & property : aProperties )
+        {
+            if ( ( property.Attributes & PropertyAttribute::READONLY ) != 0 )
+                continue;
+            if ( ( property.Attributes & PropertyAttribute::BOUND ) == 0 )
+                continue;
+
+            aPropertyList.push_back( property.Name );
+        }
+    }
+    catch( const Exception& )
+    {
+        DBG_UNHANDLED_EXCEPTION("dbaccess");
+    }
+
+    ::rtl::Reference pForward( new OPropertyForward( _xDest, m_xSettings, _sName, aPropertyList ) );
+    m_aForwardList[ _sName ] = pForward;
+}
+
+}   // namespace dbaccess
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */