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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 .
+ */
+
+#ifndef INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX
+#define INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX
+
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/animations/XAnimationNode.hpp>
+#include <com/sun/star/container/XEnumerationAccess.hpp>
+#include <com/sun/star/container/XEnumeration.hpp>
+
+#include <vector>
+
+/* Declaration and definition of AnimationNode helper */
+
+namespace anim
+{
+ // TODO(Q1): this could possibly be implemented with a somewhat
+ // more lightweight template, by having the actual worker receive
+ // only a function pointer, and a thin templated wrapper around
+ // that which converts member functions into that.
+
+ /** Apply given functor to every animation node child.
+
+ @param xNode
+ Parent node
+
+ @param rFunctor
+ Functor to apply. The functor must have an appropriate
+ operator()( const ::com::sun::star::uno::Reference<
+ ::com::sun::star::animations::XAnimationNode >& ) member.
+
+ @return true, if the functor was successfully applied to
+ all children, false otherwise.
+ */
+ template< typename Functor > inline bool for_each_childNode( const ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode >& xNode,
+ Functor& rFunctor )
+ {
+ try
+ {
+ // get an XEnumerationAccess to the children
+ ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumerationAccess >
+ xEnumerationAccess( xNode,
+ ::com::sun::star::uno::UNO_QUERY_THROW );
+ ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumeration >
+ xEnumeration( xEnumerationAccess->createEnumeration(),
+ ::com::sun::star::uno::UNO_QUERY_THROW );
+
+ while( xEnumeration->hasMoreElements() )
+ {
+ ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode >
+ xChildNode( xEnumeration->nextElement(),
+ ::com::sun::star::uno::UNO_QUERY_THROW );
+
+ rFunctor( xChildNode );
+ }
+
+ return true;
+ }
+ catch( ::com::sun::star::uno::Exception& )
+ {
+ return false;
+ }
+ }
+
+
+ /** pushes the given node to the given vector and recursivly calls itself for each child node.
+ */
+ inline void create_deep_vector( const ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode >& xNode,
+ std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode > >& rVector )
+ {
+ rVector.push_back( xNode );
+
+ try
+ {
+ // get an XEnumerationAccess to the children
+ ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumerationAccess >
+ xEnumerationAccess( xNode,
+ ::com::sun::star::uno::UNO_QUERY );
+
+ if( xEnumerationAccess.is() )
+ {
+ ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumeration >
+ xEnumeration( xEnumerationAccess->createEnumeration(),
+ ::com::sun::star::uno::UNO_QUERY );
+
+ if( xEnumeration.is() )
+ {
+ while( xEnumeration->hasMoreElements() )
+ {
+ ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode >
+ xChildNode( xEnumeration->nextElement(),
+ ::com::sun::star::uno::UNO_QUERY_THROW );
+
+ create_deep_vector( xChildNode, rVector );
+ }
+ }
+ }
+ }
+ catch( ::com::sun::star::uno::Exception& )
+ {
+ }
+ }
+}
+
+#endif /* INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */