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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 */
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