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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 : #ifndef CHART2_EVENTLISTENERHELPER_HXX
20 : #define CHART2_EVENTLISTENERHELPER_HXX
21 :
22 : #include <com/sun/star/lang/XEventListener.hpp>
23 : #include <com/sun/star/lang/XComponent.hpp>
24 :
25 : #include <list>
26 : #include <algorithm>
27 : #include <functional>
28 : #include <utility>
29 :
30 : namespace chart
31 : {
32 : namespace EventListenerHelper
33 : {
34 :
35 : namespace impl
36 : {
37 :
38 : template< class InterfaceRef >
39 1833 : struct addListenerFunctor : public ::std::unary_function< InterfaceRef, void >
40 : {
41 691 : explicit addListenerFunctor( const ::com::sun::star::uno::Reference<
42 : ::com::sun::star::lang::XEventListener > & xListener ) :
43 691 : m_xListener( xListener )
44 691 : {}
45 :
46 722 : void operator() ( const InterfaceRef & xObject )
47 : {
48 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >
49 722 : xBroadcaster( xObject, ::com::sun::star::uno::UNO_QUERY );
50 722 : if( xBroadcaster.is() && m_xListener.is())
51 0 : xBroadcaster->addEventListener( m_xListener );
52 722 : }
53 : private:
54 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > m_xListener;
55 : };
56 :
57 : template< class InterfaceRef >
58 1644 : struct removeListenerFunctor : public ::std::unary_function< InterfaceRef, void >
59 : {
60 562 : explicit removeListenerFunctor( const ::com::sun::star::uno::Reference<
61 : ::com::sun::star::lang::XEventListener > & xListener ) :
62 562 : m_xListener( xListener )
63 562 : {}
64 :
65 228 : void operator() ( const InterfaceRef & xObject )
66 : {
67 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >
68 228 : xBroadcaster( xObject, ::com::sun::star::uno::UNO_QUERY );
69 228 : if( xBroadcaster.is() && m_xListener.is())
70 0 : xBroadcaster->removeEventListener( m_xListener );
71 228 : }
72 : private:
73 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > m_xListener;
74 : };
75 :
76 : template< class Pair >
77 : struct addListenerToMappedElementFunctor : public ::std::unary_function< Pair, void >
78 : {
79 : explicit addListenerToMappedElementFunctor( const ::com::sun::star::uno::Reference<
80 : ::com::sun::star::lang::XEventListener > & xListener ) :
81 : m_xListener( xListener )
82 : {}
83 :
84 : void operator() ( const Pair & aPair )
85 : {
86 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >
87 : xBroadcaster( aPair.second, ::com::sun::star::uno::UNO_QUERY );
88 : if( xBroadcaster.is() && m_xListener.is())
89 : xBroadcaster->addEventListener( m_xListener );
90 : }
91 : private:
92 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > m_xListener;
93 : };
94 :
95 : template< class Pair >
96 : struct removeListenerFromMappedElementFunctor : public ::std::unary_function< Pair, void >
97 : {
98 : explicit removeListenerFromMappedElementFunctor( const ::com::sun::star::uno::Reference<
99 : ::com::sun::star::lang::XEventListener > & xListener ) :
100 : m_xListener( xListener )
101 : {}
102 :
103 : void operator() ( const Pair & aPair )
104 : {
105 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >
106 : xBroadcaster( aPair.second, ::com::sun::star::uno::UNO_QUERY );
107 : if( xBroadcaster.is() && m_xListener.is())
108 : xBroadcaster->removeEventListener( m_xListener );
109 : }
110 : private:
111 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > m_xListener;
112 : };
113 :
114 : } // namespace impl
115 :
116 : // --------------------------------------------------------------------------------
117 :
118 : template< class InterfaceRef >
119 120 : void addListener(
120 : const InterfaceRef & xObject,
121 : const ::com::sun::star::uno::Reference<
122 : ::com::sun::star::lang::XEventListener > & xListener )
123 : {
124 120 : if( xListener.is())
125 : {
126 120 : impl::addListenerFunctor< InterfaceRef > aFunctor( xListener );
127 120 : aFunctor( xObject );
128 : }
129 120 : }
130 :
131 : template< class Container >
132 571 : void addListenerToAllElements(
133 : const Container & rContainer,
134 : const ::com::sun::star::uno::Reference<
135 : ::com::sun::star::lang::XEventListener > & xListener )
136 : {
137 571 : if( xListener.is())
138 571 : ::std::for_each( rContainer.begin(), rContainer.end(),
139 : impl::addListenerFunctor< typename Container::value_type >( xListener ));
140 571 : }
141 :
142 : template< class Container >
143 : void addListenerToAllMapElements(
144 : const Container & rContainer,
145 : const ::com::sun::star::uno::Reference<
146 : ::com::sun::star::lang::XEventListener > & xListener )
147 : {
148 : if( xListener.is())
149 : ::std::for_each( rContainer.begin(), rContainer.end(),
150 : impl::addListenerToMappedElementFunctor< typename Container::value_type >( xListener ));
151 : }
152 :
153 : template< typename T >
154 : void addListenerToAllSequenceElements(
155 : const ::com::sun::star::uno::Sequence< T > & rSequence,
156 : const ::com::sun::star::uno::Reference<
157 : ::com::sun::star::lang::XEventListener > & xListener )
158 : {
159 : if( xListener.is())
160 : ::std::for_each( rSequence.getConstArray(), rSequence.getConstArray() + rSequence.getLength(),
161 : impl::addListenerFunctor< T >( xListener ));
162 : }
163 :
164 : template< class InterfaceRef >
165 21 : void removeListener(
166 : const InterfaceRef & xObject,
167 : const ::com::sun::star::uno::Reference<
168 : ::com::sun::star::lang::XEventListener > & xListener )
169 : {
170 21 : if( xListener.is())
171 : {
172 21 : impl::removeListenerFunctor< InterfaceRef > aFunctor( xListener );
173 21 : aFunctor( xObject );
174 : }
175 21 : }
176 :
177 : template< class Container >
178 541 : void removeListenerFromAllElements(
179 : const Container & rContainer,
180 : const ::com::sun::star::uno::Reference<
181 : ::com::sun::star::lang::XEventListener > & xListener )
182 : {
183 541 : if( xListener.is())
184 541 : ::std::for_each( rContainer.begin(), rContainer.end(),
185 : impl::removeListenerFunctor< typename Container::value_type >( xListener ));
186 541 : }
187 :
188 : template< class Container >
189 : void removeListenerFromAllMapElements(
190 : const Container & rContainer,
191 : const ::com::sun::star::uno::Reference<
192 : ::com::sun::star::lang::XEventListener > & xListener )
193 : {
194 : if( xListener.is())
195 : ::std::for_each( rContainer.begin(), rContainer.end(),
196 : impl::removeListenerFromMappedElementFunctor< typename Container::value_type >( xListener ));
197 : }
198 :
199 : template< typename T >
200 : void removeListenerFromAllSequenceElements(
201 : const ::com::sun::star::uno::Sequence< T > & rSequence,
202 : const ::com::sun::star::uno::Reference<
203 : ::com::sun::star::lang::XEventListener > & xListener )
204 : {
205 : if( xListener.is())
206 : ::std::for_each( rSequence.getConstArray(), rSequence.getConstArray() + rSequence.getLength(),
207 : impl::removeListenerFunctor< T >( xListener ));
208 : }
209 :
210 : } // namespace EventListenerHelper
211 : } // namespace chart
212 :
213 : // CHART2_EVENTLISTENERHELPER_HXX
214 : #endif
215 :
216 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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