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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: */
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