blob: b4c344e2cfd37a3440f4aa6f513b29821d310afe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: eventlisteneradapter.cxx,v $
* $Revision: 1.5 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_unotools.hxx"
#include <unotools/eventlisteneradapter.hxx>
#include <osl/diagnose.h>
#include <cppuhelper/implbase1.hxx>
#include <comphelper/stl_types.hxx>
//.........................................................................
namespace utl
{
//.........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
//=====================================================================
//= OEventListenerImpl
//=====================================================================
class OEventListenerImpl : public ::cppu::WeakImplHelper1< XEventListener >
{
protected:
OEventListenerAdapter* m_pAdapter;
Reference< XEventListener > m_xKeepMeAlive;
// imagine an implementation of XComponent which holds it's listeners with a weak reference ...
// would be very bad if we don't hold ourself
Reference< XComponent > m_xComponent;
public:
OEventListenerImpl( OEventListenerAdapter* _pAdapter, const Reference< XComponent >& _rxComp );
void dispose();
const Reference< XComponent >& getComponent() const { return m_xComponent; }
protected:
virtual void SAL_CALL disposing( const EventObject& _rSource ) throw (RuntimeException);
};
//---------------------------------------------------------------------
OEventListenerImpl::OEventListenerImpl( OEventListenerAdapter* _pAdapter, const Reference< XComponent >& _rxComp )
:m_pAdapter(_pAdapter)
{
OSL_ENSURE(m_pAdapter, "OEventListenerImpl::OEventListenerImpl: invalid adapter!");
// no checks of _rxComp !!
// (OEventListenerAdapter is responsible for this)
// just in case addEventListener throws an exception ... don't initialize m_xKeepMeAlive before this
// is done
Reference< XEventListener > xMeMyselfAndI = this;
_rxComp->addEventListener(xMeMyselfAndI);
m_xComponent = _rxComp;
m_xKeepMeAlive = xMeMyselfAndI;
}
//---------------------------------------------------------------------
void OEventListenerImpl::dispose()
{
if (m_xComponent.is())
{
m_xComponent->removeEventListener(m_xKeepMeAlive);
m_xComponent.clear();
m_xKeepMeAlive.clear();
}
}
//---------------------------------------------------------------------
void SAL_CALL OEventListenerImpl::disposing( const EventObject& _rSource ) throw (RuntimeException)
{
Reference< XEventListener > xDeleteUponLeaving = m_xKeepMeAlive;
m_xKeepMeAlive.clear();
m_xComponent.clear();
m_pAdapter->_disposing(_rSource);
}
//=====================================================================
//= OEventListenerAdapterImpl
//=====================================================================
struct OEventListenerAdapterImpl
{
public:
::std::vector< void* > aListeners;
};
//=====================================================================
//= OEventListenerAdapter
//=====================================================================
//---------------------------------------------------------------------
OEventListenerAdapter::OEventListenerAdapter()
:m_pImpl(new OEventListenerAdapterImpl)
{
}
//---------------------------------------------------------------------
OEventListenerAdapter::~OEventListenerAdapter()
{
stopAllComponentListening( );
delete m_pImpl;
m_pImpl = NULL;
}
//---------------------------------------------------------------------
void OEventListenerAdapter::stopComponentListening( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XComponent >& _rxComp )
{
if ( m_pImpl->aListeners.empty() )
return;
::std::vector< void* >::iterator dispose = m_pImpl->aListeners.begin();
do
{
OEventListenerImpl* pListenerImpl = static_cast< OEventListenerImpl* >( *dispose );
if ( pListenerImpl->getComponent().get() == _rxComp.get() )
{
pListenerImpl->dispose();
pListenerImpl->release();
dispose = m_pImpl->aListeners.erase( dispose );
}
else
++dispose;
}
while ( dispose != m_pImpl->aListeners.end() );
}
//---------------------------------------------------------------------
void OEventListenerAdapter::stopAllComponentListening( )
{
for ( ::std::vector< void* >::const_iterator aDisposeLoop = m_pImpl->aListeners.begin();
aDisposeLoop != m_pImpl->aListeners.end();
++aDisposeLoop
)
{
OEventListenerImpl* pListenerImpl = static_cast< OEventListenerImpl* >(*aDisposeLoop);
pListenerImpl->dispose();
pListenerImpl->release();
}
m_pImpl->aListeners.clear();
}
//---------------------------------------------------------------------
void OEventListenerAdapter::startComponentListening( const Reference< XComponent >& _rxComp )
{
if (!_rxComp.is())
{
OSL_ENSURE(sal_False, "OEventListenerAdapter::startComponentListening: invalid component!");
return;
}
OEventListenerImpl* pListenerImpl = new OEventListenerImpl(this, _rxComp);
pListenerImpl->acquire();
m_pImpl->aListeners.push_back(pListenerImpl);
}
//.........................................................................
} // namespace utl
//.........................................................................
|
