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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#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 */