include/animations/animationnodehelper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   9  * This file incorporates work covered by the following license notice:
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  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
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  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX
  21 #define INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX
  22
  23 #include <com/sun/star/uno/Reference.hxx>
  24 #include <com/sun/star/animations/XAnimationNode.hpp>
  25 #include <com/sun/star/container/XEnumerationAccess.hpp>
  26 #include <com/sun/star/container/XEnumeration.hpp>
  27
  28 #include <vector>
  29
  30 /* Declaration and definition of AnimationNode helper */
  31
  32 namespace anim
  33 {
  34     // TODO(Q1): this could possibly be implemented with a somewhat
  35     // more lightweight template, by having the actual worker receive
  36     // only a function pointer, and a thin templated wrapper around
  37     // that which converts member functions into that.
  38
  39     /** pushes the given node to the given vector and recursively calls itself for each child node.
  40     */
  41     inline void create_deep_vector( const css::uno::Reference< css::animations::XAnimationNode >& xNode,
  42                                 std::vector< css::uno::Reference< css::animations::XAnimationNode > >& rVector )
  43     {
  44         rVector.push_back( xNode );
  45
  46         try
  47         {
  48             // get an XEnumerationAccess to the children
  49             css::uno::Reference< css::container::XEnumerationAccess >
  50                   xEnumerationAccess( xNode, css::uno::UNO_QUERY );
  51
  52             if( xEnumerationAccess.is() )
  53             {
  54                 css::uno::Reference< css::container::XEnumeration >
  55                       xEnumeration = xEnumerationAccess->createEnumeration();
  56
  57                 if( xEnumeration.is() )
  58                 {
  59                     while( xEnumeration->hasMoreElements() )
  60                     {
  61                         css::uno::Reference< css::animations::XAnimationNode >
  62                             xChildNode( xEnumeration->nextElement(),
  63                                         css::uno::UNO_QUERY_THROW );
  64
  65                         create_deep_vector( xChildNode, rVector );
  66                     }
  67                 }
  68             }
  69         }
  70         catch( css::uno::Exception& )
  71         {
  72         }
  73     }
  74 }
  75
  76 #endif /* INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX */
  77
  78 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */