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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 <sal/config.h>
+
+#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
+#include <o3tl/safeint.hxx>
+#include <unotools/accessiblerelationsethelper.hxx>
+#include <vector>
+#include <comphelper/sequence.hxx>
+
+using namespace ::utl;
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::accessibility;
+
+class AccessibleRelationSetHelperImpl
+{
+public:
+ AccessibleRelationSetHelperImpl();
+ AccessibleRelationSetHelperImpl(const AccessibleRelationSetHelperImpl& rImpl);
+
+ /// @throws uno::RuntimeException
+ sal_Int32 getRelationCount() const;
+ /// @throws lang::IndexOutOfBoundsException
+ /// @throws uno::RuntimeException
+ AccessibleRelation const & getRelation( sal_Int32 nIndex ) const;
+ /// @throws uno::RuntimeException
+ bool containsRelation( sal_Int16 aRelationType ) const;
+ /// @throws uno::RuntimeException
+ AccessibleRelation getRelationByType( sal_Int16 aRelationType ) const;
+ /// @throws uno::RuntimeException
+ void AddRelation(const AccessibleRelation& rRelation);
+
+private:
+ std::vector<AccessibleRelation> maRelations;
+};
+
+AccessibleRelationSetHelperImpl::AccessibleRelationSetHelperImpl()
+{
+}
+
+AccessibleRelationSetHelperImpl::AccessibleRelationSetHelperImpl(const AccessibleRelationSetHelperImpl& rImpl)
+ : maRelations(rImpl.maRelations)
+{
+}
+
+sal_Int32 AccessibleRelationSetHelperImpl::getRelationCount() const
+{
+ return maRelations.size();
+}
+
+AccessibleRelation const & AccessibleRelationSetHelperImpl::getRelation( sal_Int32 nIndex ) const
+{
+ if ((nIndex < 0) || (o3tl::make_unsigned(nIndex) >= maRelations.size()))
+ throw lang::IndexOutOfBoundsException();
+ return maRelations[nIndex];
+}
+
+bool AccessibleRelationSetHelperImpl::containsRelation( sal_Int16 aRelationType ) const
+{
+ AccessibleRelation defaultRelation; // default is INVALID
+ AccessibleRelation relationByType = getRelationByType(aRelationType);
+ return relationByType.RelationType != defaultRelation.RelationType;
+}
+
+AccessibleRelation AccessibleRelationSetHelperImpl::getRelationByType( sal_Int16 aRelationType ) const
+{
+ sal_Int32 nCount(getRelationCount());
+ sal_Int32 i(0);
+ while (i < nCount)
+ {
+ if (maRelations[i].RelationType == aRelationType)
+ return maRelations[i];
+ i++;
+ }
+ return AccessibleRelation();
+}
+
+void AccessibleRelationSetHelperImpl::AddRelation(const AccessibleRelation& rRelation)
+{
+ sal_Int32 nCount(getRelationCount());
+ sal_Int32 i(0);
+ bool bFound(false);
+ while ((i < nCount) && !bFound)
+ {
+ if (maRelations[i].RelationType == rRelation.RelationType)
+ bFound = true;
+ else
+ i++;
+ }
+ if (bFound)
+ maRelations[i].TargetSet = comphelper::concatSequences(maRelations[i].TargetSet, rRelation.TargetSet);
+ else
+ maRelations.push_back(rRelation);
+}
+
+//===== internal ============================================================
+
+AccessibleRelationSetHelper::AccessibleRelationSetHelper ()
+ : mpHelperImpl(new AccessibleRelationSetHelperImpl)
+{
+}
+
+AccessibleRelationSetHelper::AccessibleRelationSetHelper (const AccessibleRelationSetHelper& rHelper)
+ : cppu::WeakImplHelper<XAccessibleRelationSet>(rHelper)
+{
+ if (rHelper.mpHelperImpl)
+ mpHelperImpl.reset(new AccessibleRelationSetHelperImpl(*rHelper.mpHelperImpl));
+ else
+ mpHelperImpl.reset(new AccessibleRelationSetHelperImpl());
+}
+
+AccessibleRelationSetHelper::~AccessibleRelationSetHelper()
+{
+}
+
+//===== XAccessibleRelationSet ==============================================
+
+ /** Returns the number of relations in this relation set.
+
+ @return
+ Returns the number of relations or zero if there are none.
+ */
+sal_Int32 SAL_CALL
+ AccessibleRelationSetHelper::getRelationCount( )
+{
+ osl::MutexGuard aGuard (maMutex);
+ return mpHelperImpl->getRelationCount();
+}
+
+ /** Returns the relation of this relation set that is specified by
+ the given index.
+
+ @param nIndex
+ This index specifies the relatio to return.
+
+ @return
+ For a valid index, i.e. inside the range 0 to the number of
+ relations minus one, the returned value is the requested
+ relation. If the index is invalid then the returned relation
+ has the type INVALID.
+
+ */
+ AccessibleRelation SAL_CALL
+ AccessibleRelationSetHelper::getRelation( sal_Int32 nIndex )
+{
+ osl::MutexGuard aGuard (maMutex);
+ return mpHelperImpl->getRelation(nIndex);
+}
+
+ /** Tests whether the relation set contains a relation matching the
+ specified key.
+
+ @param aRelationType
+ The type of relation to look for in this set of relations. This
+ has to be one of the constants of
+ <type>AccessibleRelationType</type>.
+
+ @return
+ Returns <TRUE/> if there is a (at least one) relation of the
+ given type and <FALSE/> if there is no such relation in the set.
+ */
+sal_Bool SAL_CALL
+ AccessibleRelationSetHelper::containsRelation( sal_Int16 aRelationType )
+{
+ osl::MutexGuard aGuard (maMutex);
+ return mpHelperImpl->containsRelation(aRelationType);
+}
+
+ /** Retrieve and return the relation with the given relation type.
+
+ @param aRelationType
+ The type of the relation to return. This has to be one of the
+ constants of <type>AccessibleRelationType</type>.
+
+ @return
+ If a relation with the given type could be found than (a copy
+ of) this relation is returned. Otherwise a relation with the
+ type INVALID is returned.
+ */
+AccessibleRelation SAL_CALL
+ AccessibleRelationSetHelper::getRelationByType( sal_Int16 aRelationType )
+{
+ osl::MutexGuard aGuard (maMutex);
+ return mpHelperImpl->getRelationByType(aRelationType);
+}
+
+void AccessibleRelationSetHelper::AddRelation(const AccessibleRelation& rRelation)
+{
+ osl::MutexGuard aGuard (maMutex);
+ mpHelperImpl->AddRelation(rRelation);
+}
+
+//===== XTypeProvider =======================================================
+
+uno::Sequence< css::uno::Type> AccessibleRelationSetHelper::getTypes()
+{
+ static const uno::Sequence< css::uno::Type> aTypes {
+ cppu::UnoType<XAccessibleRelationSet>::get(),
+ cppu::UnoType<lang::XTypeProvider>::get()
+ };
+ return aTypes;
+}
+
+uno::Sequence<sal_Int8> SAL_CALL AccessibleRelationSetHelper::getImplementationId()
+{
+ return css::uno::Sequence<sal_Int8>();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */