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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 INCLUDED_CHART2_SOURCE_INC_EVENTLISTENERHELPER_HXX
20 : #define INCLUDED_CHART2_SOURCE_INC_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 5950 : struct addListenerFunctor : public ::std::unary_function< InterfaceRef, void >
40 : {
41 2338 : explicit addListenerFunctor( const ::com::sun::star::uno::Reference<
42 : ::com::sun::star::lang::XEventListener > & xListener ) :
43 2338 : m_xListener( xListener )
44 2338 : {}
45 :
46 2504 : void operator() ( const InterfaceRef & xObject )
47 : {
48 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >
49 2504 : xBroadcaster( xObject, ::com::sun::star::uno::UNO_QUERY );
50 2504 : if( xBroadcaster.is() && m_xListener.is())
51 0 : xBroadcaster->addEventListener( m_xListener );
52 2504 : }
53 : private:
54 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener > m_xListener;
55 : };
56 :
57 : template< class InterfaceRef >
58 5388 : struct removeListenerFunctor : public ::std::unary_function< InterfaceRef, void >
59 : {
60 1820 : explicit removeListenerFunctor( const ::com::sun::star::uno::Reference<
61 : ::com::sun::star::lang::XEventListener > & xListener ) :
62 1820 : m_xListener( xListener )
63 1820 : {}
64 :
65 476 : void operator() ( const InterfaceRef & xObject )
66 : {
67 : ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >
68 476 : xBroadcaster( xObject, ::com::sun::star::uno::UNO_QUERY );
69 476 : if( xBroadcaster.is() && m_xListener.is())
70 0 : xBroadcaster->removeEventListener( m_xListener );
71 476 : }
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 : template< class InterfaceRef >
117 532 : void addListener(
118 : const InterfaceRef & xObject,
119 : const ::com::sun::star::uno::Reference<
120 : ::com::sun::star::lang::XEventListener > & xListener )
121 : {
122 532 : if( xListener.is())
123 : {
124 532 : impl::addListenerFunctor< InterfaceRef > aFunctor( xListener );
125 532 : aFunctor( xObject );
126 : }
127 532 : }
128 :
129 : template< class Container >
130 1806 : void addListenerToAllElements(
131 : const Container & rContainer,
132 : const ::com::sun::star::uno::Reference<
133 : ::com::sun::star::lang::XEventListener > & xListener )
134 : {
135 1806 : if( xListener.is())
136 1806 : ::std::for_each( rContainer.begin(), rContainer.end(),
137 : impl::addListenerFunctor< typename Container::value_type >( xListener ));
138 1806 : }
139 :
140 : template< class Container >
141 : void addListenerToAllMapElements(
142 : const Container & rContainer,
143 : const ::com::sun::star::uno::Reference<
144 : ::com::sun::star::lang::XEventListener > & xListener )
145 : {
146 : if( xListener.is())
147 : ::std::for_each( rContainer.begin(), rContainer.end(),
148 : impl::addListenerToMappedElementFunctor< typename Container::value_type >( xListener ));
149 : }
150 :
151 : template< typename T >
152 : void addListenerToAllSequenceElements(
153 : const ::com::sun::star::uno::Sequence< T > & rSequence,
154 : const ::com::sun::star::uno::Reference<
155 : ::com::sun::star::lang::XEventListener > & xListener )
156 : {
157 : if( xListener.is())
158 : ::std::for_each( rSequence.getConstArray(), rSequence.getConstArray() + rSequence.getLength(),
159 : impl::addListenerFunctor< T >( xListener ));
160 : }
161 :
162 : template< class InterfaceRef >
163 36 : void removeListener(
164 : const InterfaceRef & xObject,
165 : const ::com::sun::star::uno::Reference<
166 : ::com::sun::star::lang::XEventListener > & xListener )
167 : {
168 36 : if( xListener.is())
169 : {
170 36 : impl::removeListenerFunctor< InterfaceRef > aFunctor( xListener );
171 36 : aFunctor( xObject );
172 : }
173 36 : }
174 :
175 : template< class Container >
176 1784 : void removeListenerFromAllElements(
177 : const Container & rContainer,
178 : const ::com::sun::star::uno::Reference<
179 : ::com::sun::star::lang::XEventListener > & xListener )
180 : {
181 1784 : if( xListener.is())
182 1784 : ::std::for_each( rContainer.begin(), rContainer.end(),
183 : impl::removeListenerFunctor< typename Container::value_type >( xListener ));
184 1784 : }
185 :
186 : template< class Container >
187 : void removeListenerFromAllMapElements(
188 : const Container & rContainer,
189 : const ::com::sun::star::uno::Reference<
190 : ::com::sun::star::lang::XEventListener > & xListener )
191 : {
192 : if( xListener.is())
193 : ::std::for_each( rContainer.begin(), rContainer.end(),
194 : impl::removeListenerFromMappedElementFunctor< typename Container::value_type >( xListener ));
195 : }
196 :
197 : template< typename T >
198 : void removeListenerFromAllSequenceElements(
199 : const ::com::sun::star::uno::Sequence< T > & rSequence,
200 : const ::com::sun::star::uno::Reference<
201 : ::com::sun::star::lang::XEventListener > & xListener )
202 : {
203 : if( xListener.is())
204 : ::std::for_each( rSequence.getConstArray(), rSequence.getConstArray() + rSequence.getLength(),
205 : impl::removeListenerFunctor< T >( xListener ));
206 : }
207 :
208 : } // namespace EventListenerHelper
209 : } // namespace chart
210 :
211 : // INCLUDED_CHART2_SOURCE_INC_EVENTLISTENERHELPER_HXX
212 : #endif
213 :
214 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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