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Diffstat (limited to 'animations/inc/animations/animationnodehelper.hxx')
-rw-r--r-- | animations/inc/animations/animationnodehelper.hxx | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/animations/inc/animations/animationnodehelper.hxx b/animations/inc/animations/animationnodehelper.hxx new file mode 100644 index 000000000000..969e3326105d --- /dev/null +++ b/animations/inc/animations/animationnodehelper.hxx @@ -0,0 +1,133 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * 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 */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |