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diff --git a/sdext/source/presenter/PresenterConfigurationAccess.cxx b/sdext/source/presenter/PresenterConfigurationAccess.cxx
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+/* -*- 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 "PresenterConfigurationAccess.hxx"
+
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/container/XHierarchicalNameAccess.hpp>
+#include <com/sun/star/configuration/theDefaultProvider.hpp>
+#include <com/sun/star/util/XChangesBatch.hpp>
+#include <comphelper/propertysequence.hxx>
+#include <osl/diagnose.h>
+#include <tools/diagnose_ex.h>
+#include <sal/log.hxx>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::uno;
+
+namespace sdext::presenter {
+
+const OUString PresenterConfigurationAccess::msPresenterScreenRootName =
+ "/org.openoffice.Office.PresenterScreen/";
+
+PresenterConfigurationAccess::PresenterConfigurationAccess (
+ const Reference<XComponentContext>& rxContext,
+ const OUString& rsRootName,
+ WriteMode eMode)
+ : mxRoot(),
+ maNode()
+{
+ try
+ {
+ if (rxContext.is())
+ {
+ uno::Sequence<uno::Any> aCreationArguments(comphelper::InitAnyPropertySequence(
+ {
+ {"nodepath", uno::Any(rsRootName)},
+ {"depth", uno::Any(sal_Int32(-1))}
+ }));
+
+ OUString sAccessService;
+ if (eMode == READ_ONLY)
+ sAccessService = "com.sun.star.configuration.ConfigurationAccess";
+ else
+ sAccessService = "com.sun.star.configuration.ConfigurationUpdateAccess";
+
+ Reference<lang::XMultiServiceFactory> xProvider =
+ configuration::theDefaultProvider::get( rxContext );
+ mxRoot = xProvider->createInstanceWithArguments(
+ sAccessService, aCreationArguments);
+ maNode <<= mxRoot;
+ }
+ }
+ catch (const Exception&)
+ {
+ DBG_UNHANDLED_EXCEPTION("sdext.presenter", "caught exception while opening configuration");
+ }
+}
+
+PresenterConfigurationAccess::~PresenterConfigurationAccess()
+{
+}
+
+bool PresenterConfigurationAccess::IsValid() const
+{
+ return mxRoot.is();
+}
+
+Any PresenterConfigurationAccess::GetConfigurationNode (const OUString& sPathToNode)
+{
+ return GetConfigurationNode(
+ Reference<container::XHierarchicalNameAccess>(mxRoot, UNO_QUERY),
+ sPathToNode);
+}
+
+bool PresenterConfigurationAccess::GoToChild (const OUString& rsPathToNode)
+{
+ if ( ! IsValid())
+ return false;
+
+ Reference<container::XHierarchicalNameAccess> xNode (maNode, UNO_QUERY);
+ if (xNode.is())
+ {
+ maNode = GetConfigurationNode(
+ Reference<container::XHierarchicalNameAccess>(maNode, UNO_QUERY),
+ rsPathToNode);
+ if (Reference<XInterface>(maNode, UNO_QUERY).is())
+ return true;
+ }
+
+ mxRoot = nullptr;
+ return false;
+}
+
+bool PresenterConfigurationAccess::GoToChild (const Predicate& rPredicate)
+{
+ if ( ! IsValid())
+ return false;
+
+ maNode = Find(Reference<container::XNameAccess>(maNode,UNO_QUERY), rPredicate);
+ if (Reference<XInterface>(maNode, UNO_QUERY).is())
+ return true;
+
+ mxRoot = nullptr;
+ return false;
+}
+
+bool PresenterConfigurationAccess::SetProperty (
+ const OUString& rsPropertyName,
+ const Any& rValue)
+{
+ Reference<beans::XPropertySet> xProperties (maNode, UNO_QUERY);
+ if (xProperties.is())
+ {
+ xProperties->setPropertyValue(rsPropertyName, rValue);
+ return true;
+ }
+ else
+ return false;
+}
+
+Any PresenterConfigurationAccess::GetConfigurationNode (
+ const css::uno::Reference<css::container::XHierarchicalNameAccess>& rxNode,
+ const OUString& sPathToNode)
+{
+ if (sPathToNode.isEmpty())
+ return Any(rxNode);
+
+ try
+ {
+ if (rxNode.is())
+ {
+ return rxNode->getByHierarchicalName(sPathToNode);
+ }
+ }
+ catch (const Exception&)
+ {
+ TOOLS_WARN_EXCEPTION("sdext.presenter", "caught exception while getting configuration node " << sPathToNode);
+ }
+
+ return Any();
+}
+
+Reference<beans::XPropertySet> PresenterConfigurationAccess::GetNodeProperties (
+ const css::uno::Reference<css::container::XHierarchicalNameAccess>& rxNode,
+ const OUString& rsPathToNode)
+{
+ return Reference<beans::XPropertySet>(GetConfigurationNode(rxNode, rsPathToNode), UNO_QUERY);
+}
+
+void PresenterConfigurationAccess::CommitChanges()
+{
+ Reference<util::XChangesBatch> xConfiguration (mxRoot, UNO_QUERY);
+ if (xConfiguration.is())
+ xConfiguration->commitChanges();
+}
+
+void PresenterConfigurationAccess::ForAll (
+ const Reference<container::XNameAccess>& rxContainer,
+ const ::std::vector<OUString>& rArguments,
+ const ItemProcessor& rProcessor)
+{
+ if (!rxContainer.is())
+ return;
+
+ ::std::vector<Any> aValues(rArguments.size());
+ const Sequence<OUString> aKeys (rxContainer->getElementNames());
+ for (const OUString& rsKey : aKeys)
+ {
+ bool bHasAllValues (true);
+ Reference<container::XNameAccess> xSetItem (rxContainer->getByName(rsKey), UNO_QUERY);
+ Reference<beans::XPropertySet> xSet (xSetItem, UNO_QUERY);
+ OSL_ASSERT(xSet.is());
+ if (xSetItem.is())
+ {
+ // Get from the current item of the container the children
+ // that match the names in the rArguments list.
+ for (size_t nValueIndex=0; nValueIndex<aValues.size(); ++nValueIndex)
+ {
+ if ( ! xSetItem->hasByName(rArguments[nValueIndex]))
+ bHasAllValues = false;
+ else
+ aValues[nValueIndex] = xSetItem->getByName(rArguments[nValueIndex]);
+ }
+ }
+ else
+ bHasAllValues = false;
+ if (bHasAllValues)
+ rProcessor(aValues);
+ }
+}
+
+void PresenterConfigurationAccess::ForAll (
+ const Reference<container::XNameAccess>& rxContainer,
+ const PropertySetProcessor& rProcessor)
+{
+ if (rxContainer.is())
+ {
+ const Sequence<OUString> aKeys (rxContainer->getElementNames());
+ for (const OUString& rsKey : aKeys)
+ {
+ Reference<beans::XPropertySet> xSet (rxContainer->getByName(rsKey), UNO_QUERY);
+ if (xSet.is())
+ rProcessor(rsKey, xSet);
+ }
+ }
+}
+
+Any PresenterConfigurationAccess::Find (
+ const Reference<container::XNameAccess>& rxContainer,
+ const Predicate& rPredicate)
+{
+ if (rxContainer.is())
+ {
+ const Sequence<OUString> aKeys (rxContainer->getElementNames());
+ for (const auto& rKey : aKeys)
+ {
+ Reference<beans::XPropertySet> xProperties (
+ rxContainer->getByName(rKey),
+ UNO_QUERY);
+ if (xProperties.is())
+ if (rPredicate(rKey, xProperties))
+ return Any(xProperties);
+ }
+ }
+ return Any();
+}
+
+bool PresenterConfigurationAccess::IsStringPropertyEqual (
+ const OUString& rsValue,
+ const OUString& rsPropertyName,
+ const css::uno::Reference<css::beans::XPropertySet>& rxNode)
+{
+ OUString sValue;
+ if (GetProperty(rxNode, rsPropertyName) >>= sValue)
+ return sValue == rsValue;
+ else
+ return false;
+}
+
+Any PresenterConfigurationAccess::GetProperty (
+ const Reference<beans::XPropertySet>& rxProperties,
+ const OUString& rsKey)
+{
+ OSL_ASSERT(rxProperties.is());
+ if ( ! rxProperties.is())
+ return Any();
+ try
+ {
+ Reference<beans::XPropertySetInfo> xInfo (rxProperties->getPropertySetInfo());
+ if (xInfo.is())
+ if ( ! xInfo->hasPropertyByName(rsKey))
+ return Any();
+ return rxProperties->getPropertyValue(rsKey);
+ }
+ catch (beans::UnknownPropertyException&)
+ {
+ }
+ return Any();
+}
+
+} // end of namespace sdext::presenter
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */