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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
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 : /** Apply given functor to every animation node child.
40 :
41 : @param xNode
42 : Parent node
43 :
44 : @param rFunctor
45 : Functor to apply. The functor must have an appropriate
46 : operator()( const ::com::sun::star::uno::Reference<
47 : ::com::sun::star::animations::XAnimationNode >& ) member.
48 :
49 : @return true, if the functor was successfully applied to
50 : all children, false otherwise.
51 : */
52 0 : template< typename Functor > inline bool for_each_childNode( const ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode >& xNode,
53 : Functor& rFunctor )
54 : {
55 : try
56 : {
57 : // get an XEnumerationAccess to the children
58 : ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumerationAccess >
59 : xEnumerationAccess( xNode,
60 0 : ::com::sun::star::uno::UNO_QUERY_THROW );
61 : ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumeration >
62 : xEnumeration( xEnumerationAccess->createEnumeration(),
63 0 : ::com::sun::star::uno::UNO_QUERY_THROW );
64 :
65 0 : while( xEnumeration->hasMoreElements() )
66 : {
67 : ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode >
68 : xChildNode( xEnumeration->nextElement(),
69 0 : ::com::sun::star::uno::UNO_QUERY_THROW );
70 :
71 0 : rFunctor( xChildNode );
72 : }
73 :
74 0 : return true;
75 : }
76 0 : catch( ::com::sun::star::uno::Exception& )
77 : {
78 0 : return false;
79 : }
80 : }
81 :
82 :
83 : /** pushes the given node to the given vector and recursivly calls itself for each child node.
84 : */
85 0 : inline void create_deep_vector( const ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode >& xNode,
86 : std::vector< ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode > >& rVector )
87 : {
88 0 : rVector.push_back( xNode );
89 :
90 : try
91 : {
92 : // get an XEnumerationAccess to the children
93 : ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumerationAccess >
94 : xEnumerationAccess( xNode,
95 0 : ::com::sun::star::uno::UNO_QUERY );
96 :
97 0 : if( xEnumerationAccess.is() )
98 : {
99 : ::com::sun::star::uno::Reference< ::com::sun::star::container::XEnumeration >
100 0 : xEnumeration( xEnumerationAccess->createEnumeration(),
101 0 : ::com::sun::star::uno::UNO_QUERY );
102 :
103 0 : if( xEnumeration.is() )
104 : {
105 0 : while( xEnumeration->hasMoreElements() )
106 : {
107 : ::com::sun::star::uno::Reference< ::com::sun::star::animations::XAnimationNode >
108 0 : xChildNode( xEnumeration->nextElement(),
109 0 : ::com::sun::star::uno::UNO_QUERY_THROW );
110 :
111 0 : create_deep_vector( xChildNode, rVector );
112 0 : }
113 0 : }
114 0 : }
115 : }
116 0 : catch( ::com::sun::star::uno::Exception& )
117 : {
118 : }
119 0 : }
120 : }
121 :
122 : #endif /* INCLUDED_ANIMATIONS_ANIMATIONNODEHELPER_HXX */
123 :
124 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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