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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_TOOLS_WEAKBASE_HXX
21 : #define INCLUDED_TOOLS_WEAKBASE_HXX
22 :
23 : #include <tools/weakbase.h>
24 :
25 : /// see weakbase.h for documentation
26 :
27 : namespace tools
28 : {
29 :
30 : template< class reference_type >
31 0 : inline WeakReference< reference_type >::WeakReference()
32 : {
33 0 : mpWeakConnection = new WeakConnection<reference_type>( 0 );
34 0 : mpWeakConnection->acquire();
35 0 : }
36 :
37 : template< class reference_type >
38 0 : inline WeakReference< reference_type >::WeakReference( reference_type* pReference )
39 : {
40 0 : if( pReference )
41 0 : mpWeakConnection = pReference->getWeakConnection();
42 : else
43 0 : mpWeakConnection = new WeakConnection<reference_type>( 0 );
44 :
45 0 : mpWeakConnection->acquire();
46 0 : }
47 :
48 : template< class reference_type >
49 0 : inline WeakReference< reference_type >::WeakReference( const WeakReference< reference_type >& rWeakRef )
50 : {
51 0 : mpWeakConnection = rWeakRef.mpWeakConnection;
52 0 : mpWeakConnection->acquire();
53 0 : }
54 :
55 : template< class reference_type >
56 0 : inline WeakReference< reference_type >::~WeakReference()
57 : {
58 0 : mpWeakConnection->release();
59 0 : }
60 :
61 : template< class reference_type >
62 0 : inline bool WeakReference< reference_type >::is() const
63 : {
64 0 : return mpWeakConnection->mpReference != 0;
65 : }
66 :
67 : template< class reference_type >
68 0 : inline reference_type * WeakReference< reference_type >::get() const
69 : {
70 0 : return mpWeakConnection->mpReference;
71 : }
72 :
73 : template< class reference_type >
74 0 : inline void WeakReference< reference_type >::reset( reference_type* pReference )
75 : {
76 0 : mpWeakConnection->release();
77 :
78 0 : if( pReference )
79 0 : mpWeakConnection = pReference->getWeakConnection();
80 : else
81 0 : mpWeakConnection = new WeakConnection<reference_type>( 0 );
82 :
83 0 : mpWeakConnection->acquire();
84 0 : }
85 :
86 : template< class reference_type >
87 0 : inline reference_type * WeakReference< reference_type >::operator->() const
88 : {
89 : OSL_PRECOND(mpWeakConnection, "tools::WeakReference::operator->() : null body");
90 0 : return mpWeakConnection->mpReference;
91 : }
92 :
93 : template< class reference_type >
94 : inline bool WeakReference< reference_type >::operator==(const reference_type * pReferenceObject) const
95 : {
96 : return mpWeakConnection->mpReference == pReferenceObject;
97 : }
98 :
99 : template< class reference_type >
100 0 : inline bool WeakReference< reference_type >::operator==(const WeakReference<reference_type> & handle) const
101 : {
102 0 : return mpWeakConnection == handle.mpWeakConnection;
103 : }
104 :
105 : template< class reference_type >
106 0 : inline bool WeakReference< reference_type >::operator!=(const WeakReference<reference_type> & handle) const
107 : {
108 0 : return mpWeakConnection != handle.mpWeakConnection;
109 : }
110 :
111 : template< class reference_type >
112 : inline bool WeakReference< reference_type >::operator<(const WeakReference<reference_type> & handle) const
113 : {
114 : return mpWeakConnection->mpReference < handle.mpWeakConnection->mpReference;
115 : }
116 :
117 : template< class reference_type >
118 : inline bool WeakReference< reference_type >::operator>(const WeakReference<reference_type> & handle) const
119 : {
120 : return mpWeakConnection->mpReference > handle.mpWeakConnection->mpReference;
121 : }
122 :
123 : template< class reference_type >
124 0 : inline WeakReference<reference_type>& WeakReference<reference_type>::operator= (
125 : const WeakReference<reference_type>& rReference)
126 : {
127 0 : if (&rReference != this)
128 : {
129 0 : mpWeakConnection->release();
130 :
131 0 : mpWeakConnection = rReference.mpWeakConnection;
132 0 : mpWeakConnection->acquire();
133 : }
134 0 : return *this;
135 : }
136 :
137 : template< class reference_type >
138 0 : inline WeakBase< reference_type >::WeakBase()
139 : {
140 0 : mpWeakConnection = 0;
141 0 : }
142 :
143 : template< class reference_type >
144 0 : inline WeakBase< reference_type >::~WeakBase()
145 : {
146 0 : if( mpWeakConnection )
147 : {
148 0 : mpWeakConnection->mpReference = 0;
149 0 : mpWeakConnection->release();
150 0 : mpWeakConnection = 0;
151 : }
152 0 : }
153 :
154 : template< class reference_type >
155 0 : inline void WeakBase< reference_type >::clearWeak()
156 : {
157 0 : if( mpWeakConnection )
158 0 : mpWeakConnection->mpReference = 0;
159 0 : }
160 :
161 : template< class reference_type >
162 0 : inline WeakConnection< reference_type >* WeakBase< reference_type >::getWeakConnection()
163 : {
164 0 : if( !mpWeakConnection )
165 : {
166 0 : mpWeakConnection = new WeakConnection< reference_type >( static_cast< reference_type* >( this ) );
167 0 : mpWeakConnection->acquire();
168 : }
169 0 : return mpWeakConnection;
170 : }
171 :
172 : }
173 :
174 : #endif
175 :
176 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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